trcon<->l1 data if without sockets

direct call of UL rx receive data handler + sched check if ts is active
tx dir call stub for for tx thread queue.

Change-Id: I5911004db58742cf39b968fcf87bc1243f7a374a

.checkpatch.conf

@@ -1,5 +0,0 @@
---exclude osmocom-bb/.*
---exclude .*h
---exclude Transceiver52M/grgsm_vitac/.*
---exclude utils/va-test/.*
---ignore FUNCTION_WITHOUT_ARGS

.clang-format

@@ -25,7 +25,7 @@ AllowShortLoopsOnASingleLine: false
 AlwaysBreakAfterDefinitionReturnType: None
 AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: false
-AlwaysBreakTemplateDeclarations: true
+AlwaysBreakTemplateDeclarations: false
 BinPackArguments: true
 BinPackParameters: true
 BraceWrapping:
@@ -515,7 +515,7 @@ SpacesInContainerLiterals: false
 SpacesInCStyleCastParentheses: false
 SpacesInParentheses: false
 SpacesInSquareBrackets: false
-Standard: Cpp11
+Standard: Cpp03
 TabWidth: 8
 UseTab: Always
 ...

.github/FUNDING.yml

@@ -1 +0,0 @@
-open_collective: osmocom

.gitignore

@@ -14,7 +14,7 @@ Transceiver52M/osmo-trx-syncthing-ipc
 Transceiver52M/osmo-trx-ms-blade
 Transceiver52M/osmo-trx-ms-uhd
 Transceiver52M/osmo-trx-ms-ipc
-Transceiver52M/device/ipc/uhddev_ipc.cpp
+
 
 .clang-format
 
@@ -38,7 +38,6 @@ Transceiver52M/device/ipc/ipc-driver-test
 .deps
 .libs
 .dirstamp
-.version
 *~
 Makefile
 config.log
@@ -84,7 +83,6 @@ contrib/osmo-trx.spec
 !contrib/osmo-trx.spec.in
 
 utils/osmo-prbs-tool
-utils/va-test/osmo-burst-gen
 /.qtc_clangd/*
 /.cache/*
 /.vscode/*

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "osmocom-bb"]
-	path = osmocom-bb
-	url = https://gitea.osmocom.org/phone-side/osmocom-bb.git

CommonLibs/Makefile.am

@@ -22,8 +22,8 @@
 include $(top_srcdir)/Makefile.common
 
 AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES)
-AM_CXXFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
+AM_CXXFLAGS = -Wall -O3 -g -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
-AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
+AM_CFLAGS = $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
 
 noinst_LTLIBRARIES = libcommon.la
 
@@ -37,12 +37,7 @@ libcommon_la_SOURCES = \
 	trx_rate_ctr.cpp \
 	trx_vty.c \
 	debug.c
-libcommon_la_LIBADD = \
+libcommon_la_LIBADD = $(LIBOSMOCORE_LIBS) $(LIBOSMOCTRL_LIBS) $(LIBOSMOVTY_LIBS)
-	$(LIBOSMOCORE_LIBS) \
-	$(LIBOSMOCTRL_LIBS) \
-	$(LIBOSMOVTY_LIBS) \
-	-lpthread \
-	$(NULL)
 
 noinst_HEADERS = \
 	BitVector.h \

CommonLibs/config_defs.h

@@ -57,15 +57,4 @@ struct trx_cfg {
 	unsigned int stack_size;
 	unsigned int num_chans;
 	struct trx_chan chans[TRX_CHAN_MAX];
-	struct {
-		bool ul_freq_override;
-		bool dl_freq_override;
-		bool ul_gain_override;
-		bool dl_gain_override;
-		double ul_freq;
-		double dl_freq;
-		double ul_gain;
-		double dl_gain;
-	} overrides;
-	bool use_va;
 };

CommonLibs/trx_rate_ctr.cpp

@@ -312,7 +312,8 @@ static void threshold_timer_update_intv() {
 		return;
 
 	if (llist_empty(&threshold_list)) {
-		osmo_timer_del(&threshold_timer);
+		if (osmo_timer_pending(&threshold_timer))
+			osmo_timer_del(&threshold_timer);
 		return;
 	}
 

CommonLibs/trx_vty.c

@@ -285,79 +285,6 @@ DEFUN_ATTR(cfg_ul_fn_offset, cfg_ul_fn_offset_cmd,
 	return CMD_SUCCESS;
 }
 
-DEFUN_ATTR(cfg_ul_freq_override, cfg_ul_freq_override_cmd,
-	   "ul-freq-override FLOAT",
-	   "Overrides Rx carrier frequency\n"
-	   "Frequency in Hz (e.g. 145300000)\n",
-	   CMD_ATTR_HIDDEN)
-{
-	struct trx_ctx *trx = trx_from_vty(vty);
-
-	trx->cfg.overrides.ul_freq_override = true;
-	trx->cfg.overrides.ul_freq = atof(argv[0]);
-
-	return CMD_SUCCESS;
-}
-DEFUN_ATTR(cfg_dl_freq_override, cfg_dl_freq_override_cmd,
-	   "dl-freq-override FLOAT",
-	   "Overrides Tx carrier frequency\n"
-	   "Frequency in Hz (e.g. 145300000)\n",
-	   CMD_ATTR_HIDDEN)
-{
-	struct trx_ctx *trx = trx_from_vty(vty);
-
-	trx->cfg.overrides.dl_freq_override = true;
-	trx->cfg.overrides.dl_freq = atof(argv[0]);
-
-	return CMD_SUCCESS;
-}
-
-DEFUN_ATTR(cfg_ul_gain_override, cfg_ul_gain_override_cmd,
-	   "ul-gain-override FLOAT",
-	   "Overrides Rx gain\n"
-	   "gain in dB\n",
-	   CMD_ATTR_HIDDEN)
-{
-	struct trx_ctx *trx = trx_from_vty(vty);
-
-	trx->cfg.overrides.ul_gain_override = true;
-	trx->cfg.overrides.ul_gain = atof(argv[0]);
-
-	return CMD_SUCCESS;
-}
-DEFUN_ATTR(cfg_dl_gain_override, cfg_dl_gain_override_cmd,
-	   "dl-gain-override FLOAT",
-	   "Overrides Tx gain\n"
-	   "gain in dB\n",
-	   CMD_ATTR_HIDDEN)
-{
-	struct trx_ctx *trx = trx_from_vty(vty);
-
-	trx->cfg.overrides.dl_gain_override = true;
-	trx->cfg.overrides.dl_gain = atof(argv[0]);
-
-	return CMD_SUCCESS;
-}
-
-DEFUN_ATTR(cfg_use_viterbi, cfg_use_viterbi_cmd,
-	"viterbi-eq (disable|enable)",
-	"Use viterbi equalizer for gmsk (default=disable)\n"
-	"Disable VA\n"
-	"Enable VA\n",
-	CMD_ATTR_HIDDEN)
-{
-	struct trx_ctx *trx = trx_from_vty(vty);
-
-	if (strcmp("disable", argv[0]) == 0)
-		trx->cfg.use_va = false;
-	else if (strcmp("enable", argv[0]) == 0)
-		trx->cfg.use_va = true;
-	else
-		return CMD_WARNING;
-
-	return CMD_SUCCESS;
-}
-
 DEFUN(cfg_swap_channels, cfg_swap_channels_cmd,
 	"swap-channels (disable|enable)",
 	"Swap primary and secondary channels of the PHY (if any)\n"
@@ -539,6 +466,7 @@ DEFUN_ATTR(cfg_ctr_error_threshold, cfg_ctr_error_threshold_cmd,
 	int rc;
 	struct ctr_threshold ctr;
 
+	struct trx_ctx *trx = trx_from_vty(vty);
 	rc = vty_ctr_name_2_id(argv[0]);
 	if (rc < 0) {
 		vty_out(vty, "No valid ctr_name found for ctr-error-threshold %s%s",
@@ -570,6 +498,7 @@ DEFUN_ATTR(cfg_no_ctr_error_threshold, cfg_no_ctr_error_threshold_cmd,
 	int rc;
 	struct ctr_threshold ctr;
 
+	struct trx_ctx *trx = trx_from_vty(vty);
 	rc = vty_ctr_name_2_id(argv[0]);
 	if (rc < 0) {
 		vty_out(vty, "No valid ctr_name found for ctr-error-threshold %s%s",
@@ -680,7 +609,7 @@ static int config_write_trx(struct vty *vty)
 		vty_out(vty, " remote-ip %s%s", trx->cfg.remote_addr, VTY_NEWLINE);
 	if (trx->cfg.base_port != DEFAULT_TRX_PORT)
 		vty_out(vty, " base-port %u%s", trx->cfg.base_port, VTY_NEWLINE);
-	if (strlen(trx->cfg.dev_args))
+	if (trx->cfg.dev_args)
 		vty_out(vty, " dev-args %s%s", trx->cfg.dev_args, VTY_NEWLINE);
 	if (trx->cfg.tx_sps != DEFAULT_TX_SPS)
 		vty_out(vty, " tx-sps %u%s", trx->cfg.tx_sps, VTY_NEWLINE);
@@ -711,16 +640,6 @@ static int config_write_trx(struct vty *vty)
 		vty_out(vty, " stack-size %u%s", trx->cfg.stack_size, VTY_NEWLINE);
 	if (trx->cfg.ul_fn_offset != 0)
 		vty_out(vty, " ul-fn-offset %d%s", trx->cfg.ul_fn_offset, VTY_NEWLINE);
-	if (trx->cfg.overrides.dl_freq_override)
-		vty_out(vty, " dl-freq-override %f%s", trx->cfg.overrides.dl_freq, VTY_NEWLINE);
-	if (trx->cfg.overrides.ul_freq_override)
-		vty_out(vty, " ul-freq-override %f%s", trx->cfg.overrides.ul_freq, VTY_NEWLINE);
-	if (trx->cfg.overrides.dl_gain_override)
-		vty_out(vty, " dl-gain-override %f%s", trx->cfg.overrides.dl_gain, VTY_NEWLINE);
-	if (trx->cfg.overrides.ul_gain_override)
-		vty_out(vty, " ul-gain-override %f%s", trx->cfg.overrides.ul_gain, VTY_NEWLINE);
-	if (trx->cfg.use_va)
-		vty_out(vty, " viterbi-eq %s%s", trx->cfg.use_va ? "enable" : "disable", VTY_NEWLINE);
 	trx_rate_ctr_threshold_write_config(vty, " ");
 
 	for (i = 0; i < trx->cfg.num_chans; i++) {
@@ -843,7 +762,6 @@ struct trx_ctx *vty_trx_ctx_alloc(void *talloc_ctx)
 	trx->cfg.rx_sps = DEFAULT_RX_SPS;
 	trx->cfg.filler = FILLER_ZERO;
 	trx->cfg.rssi_offset = 0.0f;
-	trx->cfg.dev_args = talloc_strdup(trx, "");
 
 	return trx;
 }
@@ -886,11 +804,6 @@ int trx_vty_init(struct trx_ctx* trx)
 
 	install_element(TRX_NODE, &cfg_chan_cmd);
 	install_element(TRX_NODE, &cfg_ul_fn_offset_cmd);
-	install_element(TRX_NODE, &cfg_ul_freq_override_cmd);
-	install_element(TRX_NODE, &cfg_dl_freq_override_cmd);
-	install_element(TRX_NODE, &cfg_ul_gain_override_cmd);
-	install_element(TRX_NODE, &cfg_dl_gain_override_cmd);
-	install_element(TRX_NODE, &cfg_use_viterbi_cmd);
 	install_node(&chan_node, dummy_config_write);
 	install_element(CHAN_NODE, &cfg_chan_rx_path_cmd);
 	install_element(CHAN_NODE, &cfg_chan_tx_path_cmd);

Makefile.am

@@ -26,14 +26,9 @@ AM_CXXFLAGS = -Wall -pthread
 #AM_CXXFLAGS = -Wall -O2 -NDEBUG -pthread
 #AM_CFLAGS = -Wall -O2 -NDEBUG -pthread
 
-SUBDIRS =
-
-if ENABLE_MS_TRX
-SUBDIRS += $(LIBTRXCON_DIR)
-endif
-
 # Order must be preserved
-SUBDIRS += \
+SUBDIRS = \
+	trxcon \
 	CommonLibs \
 	GSM \
 	Transceiver52M \
@@ -43,19 +38,12 @@ SUBDIRS += \
 	doc \
 	$(NULL)
 
-BUILT_SOURCES = $(top_srcdir)/.version
-$(top_srcdir)/.version:
-	echo $(VERSION) > $@-t && mv $@-t $@
-dist-hook:
-	echo $(VERSION) > $(distdir)/.tarball-version
-
 EXTRA_DIST = \
-	.version \
 	LEGAL \
 	COPYING \
 	README.md \
+	contrib/osmo-trx.spec.in \
 	debian \
-	git-version-gen \
 	$(NULL)
 
 AM_DISTCHECK_CONFIGURE_FLAGS = \

Makefile.common

@@ -28,6 +28,7 @@ STD_DEFINES_AND_INCLUDES = \
 
 COMMON_LA = $(top_builddir)/CommonLibs/libcommon.la
 GSM_LA = $(top_builddir)/GSM/libGSM.la
+TRXCON_LA = $(top_builddir)/trxcon/libtrxcon.la
 
 if ARCH_ARM
 ARCH_LA = $(top_builddir)/Transceiver52M/arch/arm/libarch.la

README.md

@@ -4,17 +4,17 @@ About OsmoTRX
 OsmoTRX is a software-defined radio transceiver that implements the Layer 1
 physical layer of a BTS comprising the following 3GPP specifications:
 
-* TS 05.01 *Physical layer on the radio path*
+* TS 05.01 "Physical layer on the radio path"
-* TS 05.02 *Multiplexing and Multiple Access on the Radio Path*
+* TS 05.02 "Multiplexing and Multiple Access on the Radio Path"
-* TS 05.04 *Modulation*
+* TS 05.04 "Modulation"
-* TS 05.10 *Radio subsystem synchronization*
+* TS 05.10 "Radio subsystem synchronization"
 
 OsmoTRX is originally based on the transceiver code from the
 [OpenBTS](https://osmocom.org/projects/osmobts/wiki/OpenBTS) project, but setup
 to operate independently with the purpose of using with non-OpenBTS software and
 projects, specifically within the Osmocom stack.  Used together with
 [OsmoBTS](https://osmocom.org/projects/osmobts/wiki) you can get a pretty
-standard GSM/GPRS/EGPRS BTS with Abis interface as per the relevant 3GPP specifications.
+standard GSM BTS with Abis interface as per the relevant 3GPP specifications.
 
 Homepage
 --------
@@ -27,9 +27,9 @@ GIT Repository
 
 You can clone from the official osmo-trx.git repository using
 
-        git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-trx
+        git clone git://git.osmocom.org/osmo-trx.git
 
-There is a web interface at <https://gitea.osmocom.org/cellular-infrastructure/osmo-trx>
+There is a cgit interface at <https://git.osmocom.org/osmo-trx/>
 
 Documentation
 -------------
@@ -39,13 +39,6 @@ also available online for each of the sub-libraries at User Manual for OsmoTRX
 can be generated during the build process, and is also available online at
 <https://ftp.osmocom.org/docs/latest/osmotrx-usermanual.pdf>.
 
-Forum
------
-
-We welcome any osmo-trx related discussions in the
-[Cellular Network Infrastructure -> 2 RAN (GERAN)](https://discourse.osmocom.org/c/cni/geran)
-section of the osmocom discourse (web based Forum).
-
 Mailing List
 ------------
 
@@ -57,20 +50,13 @@ Please observe the [Osmocom Mailing List
 Rules](https://osmocom.org/projects/cellular-infrastructure/wiki/Mailing_List_Rules)
 when posting.
 
-Issue Tracker
--------------
-
-We use the [issue tracker of the osmo-trx project on osmocom.org](https://osmocom.org/projects/osmotrx/issues) for
-tracking the state of bug reports and feature requests.  Feel free to submit any issues you may find, or help
-us out by resolving existing issues.
-
 Contributing
 ------------
 
 Our coding standards are described at
 <https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards>
 
-We use a Gerrit based patch submission/review process for managing contributions.
+We us a gerrit based patch submission/review process for managing contributions.
 Please see <https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit>
 for more details
 

TODO-RELEASE

@@ -1,9 +0,0 @@
-# When cleaning up this file: bump API version in corresponding Makefile.am and rename corresponding debian/lib*.install
-# according to https://osmocom.org/projects/cellular-infrastructure/wiki/Make_a_new_release
-# In short: https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html#Updating-version-info
-# LIBVERSION=c:r:a
-# If the library source code has changed at all since the last update, then increment revision: c:r + 1:a.
-# If any interfaces have been added, removed, or changed since the last update: c + 1:0:a.
-# If any interfaces have been added since the last public release: c:r:a + 1.
-# If any interfaces have been removed or changed since the last public release: c:r:0.
-#library	what			description / commit summary line

Transceiver52M/Complex.h

@@ -29,7 +29,7 @@ unlike the built-in complex<> templates, these inline most operations for speed
 template<class Real> class Complex {
 
 public:
-  typedef Real value_type;
+
   Real r, i;
 
   /**@name constructors */

Transceiver52M/Makefile.am

@@ -24,12 +24,13 @@ include $(top_srcdir)/Makefile.common
 SUBDIRS = arch device
 
 AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/arch/common -I${srcdir}/device/common
-AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
+AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS) -mcpu=cortex-a72 -mfloat-abi=hard -mfpu=neon-fp-armv8
-AM_CFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
+AM_CFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS) -mcpu=cortex-a72 -mfloat-abi=hard -mfpu=neon-fp-armv8
 
 noinst_LTLIBRARIES = libtransceiver_common.la
 
 COMMON_SOURCES = \
+	l1if.cpp \
 	radioInterface.cpp \
 	radioVector.cpp \
 	radioClock.cpp \
@@ -41,6 +42,7 @@ COMMON_SOURCES = \
 	Channelizer.cpp \
 	Synthesis.cpp \
 	proto_trxd.c \
+	sch.c \
 	grgsm_vitac/grgsm_vitac.cpp \
 	grgsm_vitac/viterbi_detector.cc
 
@@ -63,7 +65,9 @@ noinst_HEADERS = \
 	ChannelizerBase.h \
 	Channelizer.h \
 	Synthesis.h \
-	proto_trxd.h
+	proto_trxd.h \
+	grgsm_vitac/viterbi_detector.h \
+	grgsm_vitac/constants.h
 
 COMMON_LDADD = \
 	libtransceiver_common.la \
@@ -72,50 +76,10 @@ COMMON_LDADD = \
 	$(COMMON_LA) \
 	$(FFTWF_LIBS) \
 	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOCODING_LIBS) \
 	$(LIBOSMOCTRL_LIBS) \
 	$(LIBOSMOVTY_LIBS)
 
-if ENABLE_MS_TRX
-AM_CPPFLAGS += -I$(top_srcdir)/osmocom-bb/src/host/trxcon/include/
-AM_CPPFLAGS += -I${srcdir}
-
-TRXCON_LDADD = \
-	$(top_builddir)/osmocom-bb/src/host/trxcon/src/.libs/libtrxcon.a \
-	$(top_builddir)/osmocom-bb/src/host/trxcon/src/.libs/libl1sched.a \
-	$(top_builddir)/osmocom-bb/src/host/trxcon/src/.libs/libl1gprs.a \
-	$(LIBOSMOCODING_LIBS)
-
-MS_LOWER_SRC = \
-	ms/sch.c \
-	ms/ms.cpp \
-	ms/threadsched.cpp \
-	ms/ms_rx_lower.cpp \
-	grgsm_vitac/grgsm_vitac.cpp \
-	grgsm_vitac/viterbi_detector.cc
-
-MS_UPPER_SRC = \
-	ms/ms_upper.cpp \
-	ms/l1ctl_server.c \
-	ms/logging.c \
-	ms/l1ctl_server_cb.cpp \
-	ms/ms_trxcon_if.cpp
-
-noinst_HEADERS += \
-   	ms/ms.h \
-	ms/threadsched.h \
-	ms/bladerf_specific.h \
-	ms/uhd_specific.h \
-	ms/ms_upper.h \
-	ms/ms_trxcon_if.h \
-	ms/itrq.h \
-	ms/sch.h \
-	ms/threadpool.h \
-	grgsm_vitac/viterbi_detector.h \
-	grgsm_vitac/constants.h \
-	grgsm_vitac/grgsm_vitac.h
-
-endif
-
 bin_PROGRAMS =
 
 if DEVICE_UHD
@@ -127,16 +91,23 @@ osmo_trx_uhd_LDADD = \
 	$(UHD_LIBS)
 osmo_trx_uhd_CPPFLAGS  = $(AM_CPPFLAGS) $(UHD_CFLAGS)
 
-#if ENABLE_MS_TRX
+bin_PROGRAMS += osmo-trx-ms-uhd
-#bin_PROGRAMS += osmo-trx-ms-uhd
+osmo_trx_ms_uhd_SOURCES = ms/syncthing.cpp ms/ms_rx_lower.cpp ms/ms_rx_upper.cpp ms/ms_commandhandler.cpp
-#osmo_trx_ms_uhd_SOURCES = $(MS_LOWER_SRC) $(MS_UPPER_SRC)
+osmo_trx_ms_uhd_LDADD = \
-#osmo_trx_ms_uhd_LDADD = \
+	$(builddir)/device/bladerf/libdevice.la \
-#	$(builddir)/device/uhd/libdevice.la \
+	$(COMMON_LDADD) \
-#	$(COMMON_LDADD) \
+	$(UHD_LIBS) \
-#	$(UHD_LIBS) \
+	$(TRXCON_LA)
-#	$(TRXCON_LDADD)
+osmo_trx_ms_uhd_CPPFLAGS  = $(AM_CPPFLAGS) $(UHD_CFLAGS) -DBUILDUHD
-#osmo_trx_ms_uhd_CPPFLAGS  = $(AM_CPPFLAGS) $(UHD_CFLAGS) -DBUILDUHD
+
-#endif
+bin_PROGRAMS += osmo-trx-syncthing-uhd
+osmo_trx_syncthing_uhd_SOURCES = ms/syncthing.cpp ms/ms_rx_lower.cpp ms/ms_rx_burst.cpp
+osmo_trx_syncthing_uhd_LDADD = \
+	$(builddir)/device/bladerf/libdevice.la \
+	$(COMMON_LDADD) \
+	$(UHD_LIBS)
+osmo_trx_syncthing_uhd_CPPFLAGS  = $(AM_CPPFLAGS) $(UHD_CFLAGS) -DSYNCTHINGONLY -DBUILDUHD
+#osmo_trx_syncthing_LDFLAGS  = -fsanitize=address,undefined -shared-libsan
 endif
 
 if DEVICE_USRP1
@@ -168,16 +139,23 @@ osmo_trx_blade_LDADD = \
 	$(BLADE_LIBS)
 osmo_trx_blade_CPPFLAGS  = $(AM_CPPFLAGS) $(LMS_CFLAGS)
 
-if ENABLE_MS_TRX
 bin_PROGRAMS += osmo-trx-ms-blade
-osmo_trx_ms_blade_SOURCES = $(MS_LOWER_SRC) $(MS_UPPER_SRC)
+osmo_trx_ms_blade_SOURCES = ms/syncthing.cpp ms/ms_rx_lower.cpp ms/ms_rx_upper.cpp ms/ms_commandhandler.cpp
 osmo_trx_ms_blade_LDADD = \
 	$(builddir)/device/bladerf/libdevice.la \
 	$(COMMON_LDADD) \
 	$(BLADE_LIBS) \
-	$(TRXCON_LDADD)
+	$(TRXCON_LA)
 osmo_trx_ms_blade_CPPFLAGS  = $(AM_CPPFLAGS) $(BLADE_CFLAGS) -DBUILDBLADE
-endif
+
+bin_PROGRAMS += osmo-trx-syncthing-blade
+osmo_trx_syncthing_blade_SOURCES = ms/syncthing.cpp ms/ms_rx_lower.cpp ms/ms_rx_burst.cpp
+osmo_trx_syncthing_blade_LDADD =  \
+	$(builddir)/device/bladerf/libdevice.la \
+	$(COMMON_LDADD) \
+	$(BLADE_LIBS)
+osmo_trx_syncthing_blade_CPPFLAGS  = $(AM_CPPFLAGS) $(BLADE_CFLAGS) -DSYNCTHINGONLY -DBUILDBLADE -mcpu=cortex-a72 -mfloat-abi=hard -mfpu=neon-fp-armv8 -I../device/ipc
+#osmo_trx_syncthing_LDFLAGS  = -fsanitize=address,undefined -shared-libsan
 endif
 
 if DEVICE_IPC
@@ -187,4 +165,32 @@ osmo_trx_ipc_LDADD = \
 	$(builddir)/device/ipc/libdevice.la \
 	$(COMMON_LDADD)
 osmo_trx_ipc_CPPFLAGS  = $(AM_CPPFLAGS)
+
+bin_PROGRAMS += osmo-trx-ipc2
+osmo_trx_ipc2_SOURCES = osmo-trx.cpp
+osmo_trx_ipc2_LDADD = \
+	$(builddir)/device/ipc2/libdevice.la \
+	$(COMMON_LDADD)
+osmo_trx_ipc2_CPPFLAGS  = $(AM_CPPFLAGS)
+
+bin_PROGRAMS += osmo-trx-ms-ipc
+osmo_trx_ms_ipc_SOURCES = ms/syncthing.cpp ms/ms_rx_lower.cpp ms/ms_rx_upper.cpp ms/ms_commandhandler.cpp
+osmo_trx_ms_ipc_LDADD = \
+	$(COMMON_LDADD) \
+	$(TRXCON_LA)
+osmo_trx_ms_ipc_CPPFLAGS  = $(AM_CPPFLAGS) -DBUILDIPC  -I./device/ipc2 -I../device/ipc2
+
+bin_PROGRAMS += osmo-trx-syncthing-ipc
+osmo_trx_syncthing_ipc_SOURCES = ms/syncthing.cpp ms/ms_rx_lower.cpp ms/ms_rx_burst.cpp
+osmo_trx_syncthing_ipc_LDADD =  $(COMMON_LDADD)
+osmo_trx_syncthing_ipc_CPPFLAGS  = $(AM_CPPFLAGS) -DSYNCTHINGONLY -DBUILDIPC  -I./device/ipc2 -I../device/ipc2
 endif
+
+noinst_HEADERS += \
+	ms/syncthing.h \
+	ms/bladerf_specific.h \
+	ms/uhd_specific.h \
+	ms/ms_rx_upper.h \
+	itrq.h
+# -fsanitize=address,undefined -shared-libsan -O0
+#

Transceiver52M/Resampler.cpp

@@ -32,7 +32,7 @@ extern "C" {
 #define M_PI			3.14159265358979323846264338327f
 #endif
 
-#define MAX_OUTPUT_LEN		4096*4
+#define MAX_OUTPUT_LEN 4096 * 4
 
 using namespace std;
 

Transceiver52M/Transceiver.cpp

@@ -29,7 +29,6 @@
 #include <fstream>
 #include "Transceiver.h"
 #include <Logger.h>
-#include <grgsm_vitac/grgsm_vitac.h>
 
 extern "C" {
 #include "osmo_signal.h"
@@ -209,10 +208,8 @@ bool Transceiver::init()
     return false;
   }
 
-  initvita();
-
   mDataSockets.resize(mChans, -1);
-
+  
 
   /* Filler table retransmissions - support only on channel 0 */
   if (cfg->filler == FILLER_DUMMY)
@@ -581,7 +578,7 @@ CorrType Transceiver::expectedCorrType(GSM::Time currTime,
   case XIII: {
     int mod52 = burstFN % 52;
     if ((mod52 == 12) || (mod52 == 38))
-      return RACH; /* RACH is always 8-bit on PTCCH/U */
+      return cfg->ext_rach ? EXT_RACH : RACH;
     else if ((mod52 == 25) || (mod52 == 51))
       return IDLE;
     else /* Enable 8-PSK burst detection if EDGE is enabled */
@@ -617,44 +614,6 @@ double Transceiver::rssiOffset(size_t chan)
   return mRadioInterface->rssiOffset(chan) + cfg->rssi_offset;
 }
 
-static SoftVector *demodAnyBurst_va(const signalVector &burst, CorrType type, int sps, int rach_max_toa, int tsc)
-{
-	auto conved_beg = reinterpret_cast<const std::complex<float> *>(&burst.begin()[0]);
-	std::complex<float> chan_imp_resp[CHAN_IMP_RESP_LENGTH * d_OSR];
-	float ncmax;
-	const unsigned burst_len_bits = 148 + 8;
-	char demodded_softbits[burst_len_bits];
-	SoftVector *bits = new SoftVector(burst_len_bits);
-
-	if (type == CorrType::TSC) {
-		auto rach_burst_start = get_norm_chan_imp_resp(conved_beg, chan_imp_resp, &ncmax, tsc);
-		rach_burst_start = std::max(rach_burst_start, 0);
-		detect_burst_nb(conved_beg, chan_imp_resp, rach_burst_start, demodded_softbits);
-	} else {
-		auto normal_burst_start = get_access_imp_resp(conved_beg, chan_imp_resp, &ncmax, 0);
-		normal_burst_start = std::max(normal_burst_start, 0);
-		detect_burst_ab(conved_beg, chan_imp_resp, normal_burst_start, demodded_softbits, rach_max_toa);
-	}
-
-	float *s = &bits->begin()[0];
-	for (unsigned int i = 0; i < 148; i++)
-		s[i] = demodded_softbits[i] * -1;
-	for (unsigned int i = 148; i < burst_len_bits; i++)
-		s[i] = 0;
-	return bits;
-}
-
-#define USE_VA
-
-#ifdef USE_VA
-// signalvector is owning despite claiming not to, but we can pretend, too..
-static void dummy_free(void *wData){};
-static void *dummy_alloc(size_t newSize)
-{
-	return 0;
-};
-#endif
-
 /*
  * Pull bursts from the FIFO and handle according to the slot
  * and burst correlation type. Equalzation is currently disabled.
@@ -675,9 +634,6 @@ int Transceiver::pullRadioVector(size_t chan, struct trx_ul_burst_ind *bi)
   TransceiverState *state = &mStates[chan];
   bool ctr_changed = false;
   double rssi_offset;
-  static complex burst_shift_buffer[625];
-  static signalVector shift_vec(burst_shift_buffer, 0, 625, dummy_alloc, dummy_free);
-  signalVector *shvec_ptr = &shift_vec;
 
   /* Blocking FIFO read */
   radioVector *radio_burst = mReceiveFIFO[chan]->read();
@@ -757,15 +713,8 @@ int Transceiver::pullRadioVector(size_t chan, struct trx_ul_burst_ind *bi)
   max_toa = (type == RACH || type == EXT_RACH) ?
             mMaxExpectedDelayAB : mMaxExpectedDelayNB;
 
-  if (cfg->use_va) {
-    // shifted burst copy to make the old demod and detection happy
-    std::copy(burst->begin() + 20, burst->end() - 20, shift_vec.begin());
-  } else {
-    shvec_ptr = burst;
-  }
-
   /* Detect normal or RACH bursts */
-  rc = detectAnyBurst(*shvec_ptr, mTSC, BURST_THRESH, cfg->rx_sps, type, max_toa, &ebp);
+  rc = detectAnyBurst(*burst, mTSC, BURST_THRESH, cfg->rx_sps, type, max_toa, &ebp);
   if (rc <= 0) {
     if (rc == -SIGERR_CLIP) {
       LOGCHAN(chan, DTRXDUL, INFO) << "Clipping detected on received RACH or Normal Burst";
@@ -779,13 +728,7 @@ int Transceiver::pullRadioVector(size_t chan, struct trx_ul_burst_ind *bi)
     goto ret_idle;
   }
 
-  if (cfg->use_va) {
+  rxBurst = demodAnyBurst(*burst, (CorrType) rc, cfg->rx_sps, &ebp);
-    scaleVector(*burst, { (1. / (float)((1 << 14) - 1)), 0 });
-    rxBurst = demodAnyBurst_va(*burst, (CorrType)rc, cfg->rx_sps, max_toa, mTSC);
-  } else {
-    rxBurst = demodAnyBurst(*shvec_ptr, (CorrType)rc, cfg->rx_sps, &ebp);
-  }
-
   bi->toa = ebp.toa;
   bi->tsc = ebp.tsc;
   bi->ci = ebp.ci;
@@ -959,18 +902,19 @@ int Transceiver::ctrl_sock_handle_rx(int chan)
       sprintf(response, "RSP NOHANDOVER 0 %u %u", ts, ss);
     }
   } else if (match_cmd(command, "SETMAXDLY", &params)) {
-    //set expected maximum time-of-arrival for Access Bursts
+    //set expected maximum time-of-arrival
     int maxDelay;
     sscanf(params, "%d", &maxDelay);
     mMaxExpectedDelayAB = maxDelay; // 1 GSM symbol is approx. 1 km
     sprintf(response,"RSP SETMAXDLY 0 %d",maxDelay);
   } else if (match_cmd(command, "SETMAXDLYNB", &params)) {
-    //set expected maximum time-of-arrival for Normal Bursts
+    //set expected maximum time-of-arrival
     int maxDelay;
     sscanf(params, "%d", &maxDelay);
     mMaxExpectedDelayNB = maxDelay; // 1 GSM symbol is approx. 1 km
     sprintf(response,"RSP SETMAXDLYNB 0 %d",maxDelay);
   } else if (match_cmd(command, "SETRXGAIN", &params)) {
+    //set expected maximum time-of-arrival
     int newGain;
     sscanf(params, "%d", &newGain);
     newGain = mRadioInterface->setRxGain(newGain, chan);

Transceiver52M/Transceiver.h

@@ -162,9 +162,9 @@ struct ctrl_sock_state {
   }
   ~ctrl_sock_state() {
       if(conn_bfd.fd >= 0) {
-          osmo_fd_unregister(&conn_bfd);
           close(conn_bfd.fd);
           conn_bfd.fd = -1;
+          osmo_fd_unregister(&conn_bfd);
       }
   }
 };

Transceiver52M/arch/common/convert_base.c

@@ -17,6 +17,7 @@
 
 #include "convert.h"
 
+__attribute__((xray_never_instrument))
 void base_convert_float_short(short *out, const float *in,
 			      float scale, int len)
 {
@@ -24,6 +25,7 @@ void base_convert_float_short(short *out, const float *in,
 		out[i] = in[i] * scale;
 }
 
+__attribute__((xray_never_instrument))
 void base_convert_short_float(float *out, const short *in, int len)
 {
 	for (int i = 0; i < len; i++)

Transceiver52M/arch/common/convolve_base.c

@@ -24,6 +24,7 @@
 #endif
 
 /* Base multiply and accumulate complex-real */
+__attribute__((xray_never_instrument))
 static void mac_real(const float *x, const float *h, float *y)
 {
 	y[0] += x[0] * h[0];
@@ -31,6 +32,7 @@ static void mac_real(const float *x, const float *h, float *y)
 }
 
 /* Base multiply and accumulate complex-complex */
+__attribute__((xray_never_instrument))
 static void mac_cmplx(const float *x, const float *h, float *y)
 {
 	y[0] += x[0] * h[0] - x[1] * h[1];
@@ -38,6 +40,7 @@ static void mac_cmplx(const float *x, const float *h, float *y)
 }
 
 /* Base vector complex-complex multiply and accumulate */
+__attribute__((xray_never_instrument))
 static void mac_real_vec_n(const float *x, const float *h, float *y,
 			   int len)
 {
@@ -46,6 +49,7 @@ static void mac_real_vec_n(const float *x, const float *h, float *y,
 }
 
 /* Base vector complex-complex multiply and accumulate */
+__attribute__((xray_never_instrument))
 static void mac_cmplx_vec_n(const float *x, const float *h, float *y,
 			    int len)
 {
@@ -54,6 +58,7 @@ static void mac_cmplx_vec_n(const float *x, const float *h, float *y,
 }
 
 /* Base complex-real convolution */
+__attribute__((xray_never_instrument))
 int _base_convolve_real(const float *x, int x_len,
 			const float *h, int h_len,
 			float *y, int y_len,
@@ -69,6 +74,7 @@ int _base_convolve_real(const float *x, int x_len,
 }
 
 /* Base complex-complex convolution */
+__attribute__((xray_never_instrument))
 int _base_convolve_complex(const float *x, int x_len,
 			   const float *h, int h_len,
 			   float *y, int y_len,
@@ -85,6 +91,7 @@ int _base_convolve_complex(const float *x, int x_len,
 }
 
 /* Buffer validity checks */
+__attribute__((xray_never_instrument))
 int bounds_check(int x_len, int h_len, int y_len,
 		 int start, int len)
 {
@@ -105,6 +112,7 @@ int bounds_check(int x_len, int h_len, int y_len,
 }
 
 /* API: Non-aligned (no SSE) complex-real */
+__attribute__((xray_never_instrument))
 int base_convolve_real(const float *x, int x_len,
 		       const float *h, int h_len,
 		       float *y, int y_len,
@@ -122,6 +130,7 @@ int base_convolve_real(const float *x, int x_len,
 }
 
 /* API: Non-aligned (no SSE) complex-complex */
+__attribute__((xray_never_instrument))
 int base_convolve_complex(const float *x, int x_len,
 			  const float *h, int h_len,
 			  float *y, int y_len,
@@ -139,6 +148,7 @@ int base_convolve_complex(const float *x, int x_len,
 }
 
 /* Aligned filter tap allocation */
+__attribute__((xray_never_instrument))
 void *convolve_h_alloc(size_t len)
 {
 #ifdef HAVE_SSE3

Transceiver52M/arch/x86/convert.c

@@ -60,6 +60,7 @@ void convert_init(void)
 #endif
 }
 
+__attribute__((xray_never_instrument))
 void convert_float_short(short *out, const float *in, float scale, int len)
 {
 	if (!(len % 16))
@@ -70,6 +71,7 @@ void convert_float_short(short *out, const float *in, float scale, int len)
 		c.convert_scale_ps_si16(out, in, scale, len);
 }
 
+__attribute__((xray_never_instrument))
 void convert_short_float(float *out, const short *in, int len)
 {
 	if (!(len % 16))

Transceiver52M/arch/x86/convert_sse_3.c

@@ -26,6 +26,7 @@
 #include <emmintrin.h>
 
 /* 8*N single precision floats scaled and converted to 16-bit signed integer */
+__attribute__((xray_never_instrument))
 void _sse_convert_scale_ps_si16_8n(short *restrict out,
 				   const float *restrict in,
 				   float scale, int len)
@@ -54,6 +55,7 @@ void _sse_convert_scale_ps_si16_8n(short *restrict out,
 }
 
 /* 8*N single precision floats scaled and converted with remainder */
+__attribute__((xray_never_instrument))
 void _sse_convert_scale_ps_si16(short *restrict out,
 				const float *restrict in, float scale, int len)
 {
@@ -66,6 +68,7 @@ void _sse_convert_scale_ps_si16(short *restrict out,
 }
 
 /* 16*N single precision floats scaled and converted to 16-bit signed integer */
+__attribute__((xray_never_instrument))
 void _sse_convert_scale_ps_si16_16n(short *restrict out,
 				    const float *restrict in,
 				    float scale, int len)

Transceiver52M/arch/x86/convert_sse_4_1.c

@@ -25,6 +25,7 @@
 #include <smmintrin.h>
 
 /* 16*N 16-bit signed integer converted to single precision floats */
+__attribute__((xray_never_instrument))
 void _sse_convert_si16_ps_16n(float *restrict out,
 			      const short *restrict in, int len)
 {
@@ -59,6 +60,7 @@ void _sse_convert_si16_ps_16n(float *restrict out,
 }
 
 /* 16*N 16-bit signed integer conversion with remainder */
+__attribute__((xray_never_instrument))
 void _sse_convert_si16_ps(float *restrict out,
 			  const short *restrict in, int len)
 {

Transceiver52M/arch/x86/convolve.c

@@ -91,6 +91,7 @@ void convolve_init(void)
 }
 
 /* API: Aligned complex-real */
+__attribute__((xray_never_instrument))
 int convolve_real(const float *x, int x_len,
 		  const float *h, int h_len,
 		  float *y, int y_len, int start, int len)
@@ -130,6 +131,7 @@ int convolve_real(const float *x, int x_len,
 }
 
 /* API: Aligned complex-complex */
+__attribute__((xray_never_instrument))
 int convolve_complex(const float *x, int x_len,
 		     const float *h, int h_len,
 		     float *y, int y_len,

Transceiver52M/arch/x86/convolve_sse_3.c

@@ -27,6 +27,7 @@
 #include <pmmintrin.h>
 
 /* 4-tap SSE complex-real convolution */
+__attribute__((xray_never_instrument))
 void sse_conv_real4(const float *x, int x_len,
 		    const float *h, int h_len,
 		    float *y, int y_len,
@@ -68,6 +69,7 @@ void sse_conv_real4(const float *x, int x_len,
 }
 
 /* 8-tap SSE complex-real convolution */
+__attribute__((xray_never_instrument))
 void sse_conv_real8(const float *x, int x_len,
 		    const float *h, int h_len,
 		    float *y, int y_len,
@@ -119,6 +121,7 @@ void sse_conv_real8(const float *x, int x_len,
 }
 
 /* 12-tap SSE complex-real convolution */
+__attribute__((xray_never_instrument))
 void sse_conv_real12(const float *x, int x_len,
 		     const float *h, int h_len,
 		     float *y, int y_len,
@@ -185,6 +188,7 @@ void sse_conv_real12(const float *x, int x_len,
 }
 
 /* 16-tap SSE complex-real convolution */
+__attribute__((xray_never_instrument))
 void sse_conv_real16(const float *x, int x_len,
 		     const float *h, int h_len,
 		     float *y, int y_len,
@@ -264,6 +268,7 @@ void sse_conv_real16(const float *x, int x_len,
 }
 
 /* 20-tap SSE complex-real convolution */
+__attribute__((xray_never_instrument))
 void sse_conv_real20(const float *x, int x_len,
 		     const float *h, int h_len,
 		     float *y, int y_len,
@@ -354,6 +359,7 @@ void sse_conv_real20(const float *x, int x_len,
 }
 
 /* 4*N-tap SSE complex-real convolution */
+__attribute__((xray_never_instrument))
 void sse_conv_real4n(const float *x, int x_len,
 		     const float *h, int h_len,
 		     float *y, int y_len,
@@ -401,6 +407,7 @@ void sse_conv_real4n(const float *x, int x_len,
 }
 
 /* 4*N-tap SSE complex-complex convolution */
+__attribute__((xray_never_instrument))
 void sse_conv_cmplx_4n(const float *x, int x_len,
 		       const float *h, int h_len,
 		       float *y, int y_len,
@@ -459,6 +466,7 @@ void sse_conv_cmplx_4n(const float *x, int x_len,
 }
 
 /* 8*N-tap SSE complex-complex convolution */
+__attribute__((xray_never_instrument))
 void sse_conv_cmplx_8n(const float *x, int x_len,
 		       const float *h, int h_len,
 		       float *y, int y_len,

Transceiver52M/device/Makefile.am

@@ -3,7 +3,7 @@ include $(top_srcdir)/Makefile.common
 SUBDIRS = common
 
 if DEVICE_IPC
-SUBDIRS += ipc
+SUBDIRS += ipc ipc2
 endif
 
 if DEVICE_USRP1

Transceiver52M/device/bladerf/bladerf.cpp

@@ -37,27 +37,77 @@ extern "C" {
 #include <osmocom/vty/cpu_sched_vty.h>
 }
 
-#define SAMPLE_BUF_SZ (1 << 20)
+#define USRP_TX_AMPL     0.3
+#define UMTRX_TX_AMPL    0.7
+#define LIMESDR_TX_AMPL  0.3
+#define SAMPLE_BUF_SZ    (1 << 20)
 
-#define B2XX_TIMING_4_4SPS 6.18462e-5
+/*
+ * UHD timeout value on streaming (re)start
+ *
+ * Allow some time for streaming to commence after the start command is issued,
+ * but consider a wait beyond one second to be a definite error condition.
+ */
+#define UHD_RESTART_TIMEOUT     1.0
 
-#define CHKRET()                                                                                                       \
+/*
-	{                                                                                                              \
+ * UmTRX specific settings
-		if (status != 0)                                                                                       \
+ */
-			LOGC(DDEV, ERROR) << bladerf_strerror(status);                                                 \
+#define UMTRX_VGA1_DEF   -18
+
+/*
+ * USRP version dependent device timings
+ */
+
+#define B2XX_TIMING_1SPS	1.7153e-4
+#define B2XX_TIMING_4SPS	1.1696e-4
+#define B2XX_TIMING_4_4SPS	6.18462e-5
+#define B2XX_TIMING_MCBTS	7e-5
+
+#define CHKRET() { \
+	if(status !=0) \
+	fprintf(stderr, "%s:%s:%d %s\n", __FILE__,__FUNCTION__, __LINE__, bladerf_strerror(status)); \
 	}
 
-static const dev_map_t dev_param_map{
+/*
-	{ std::make_tuple(blade_dev_type::BLADE2, 4, 4), { 1, 26e6, GSMRATE, B2XX_TIMING_4_4SPS, "B200 4 SPS" } },
+ * Tx / Rx sample offset values. In a perfect world, there is no group delay
+ * though analog components, and behaviour through digital filters exactly
+ * matches calculated values. In reality, there are unaccounted factors,
+ * which are captured in these empirically measured (using a loopback test)
+ * timing correction values.
+ *
+ * Notes:
+ *   USRP1 with timestamps is not supported by UHD.
+ */
+
+/* Device Type, Tx-SPS, Rx-SPS */
+typedef std::tuple<blade_dev_type, int, int> dev_key;
+
+/* Device parameter descriptor */
+struct dev_desc {
+	unsigned channels;
+	double mcr;
+	double rate;
+	double offset;
+	std::string str;
 };
 
-static const power_map_t dev_band_nom_power_param_map{
+static const std::map<dev_key, dev_desc> dev_param_map {
-	{ std::make_tuple(blade_dev_type::BLADE2, GSM_BAND_850), { 89.75, 13.3, -7.5 } },
+	{ std::make_tuple(blade_dev_type::BLADE2,  1, 1), { 1, 26e6, GSMRATE, B2XX_TIMING_1SPS, "B200 1 SPS"   } },
-	{ std::make_tuple(blade_dev_type::BLADE2, GSM_BAND_900), { 89.75, 13.3, -7.5 } },
+	{ std::make_tuple(blade_dev_type::BLADE2,  4, 1), { 1, 26e6, GSMRATE, B2XX_TIMING_4SPS, "B200 4/1 Tx/Rx SPS" } },
-	{ std::make_tuple(blade_dev_type::BLADE2, GSM_BAND_1800), { 89.75, 7.5, -11.0 } },
+	{ std::make_tuple(blade_dev_type::BLADE2,  4, 4), { 1, 26e6, GSMRATE, B2XX_TIMING_4_4SPS, "B200 4 SPS" } },
-	{ std::make_tuple(blade_dev_type::BLADE2, GSM_BAND_1900), { 89.75, 7.7, -11.0 } },
 };
 
+typedef std::tuple<blade_dev_type, enum gsm_band> dev_band_key;
+typedef std::map<dev_band_key, dev_band_desc>::const_iterator dev_band_map_it;
+static const std::map<dev_band_key, dev_band_desc> dev_band_nom_power_param_map {
+	{ std::make_tuple(blade_dev_type::BLADE2, GSM_BAND_850),	{ 89.75, 13.3, -7.5  } },
+	{ std::make_tuple(blade_dev_type::BLADE2, GSM_BAND_900),	{ 89.75, 13.3, -7.5  } },
+	{ std::make_tuple(blade_dev_type::BLADE2, GSM_BAND_1800),	{ 89.75, 7.5,  -11.0 } },
+	{ std::make_tuple(blade_dev_type::BLADE2, GSM_BAND_1900),	{ 89.75, 7.7,  -11.0 } },
+};
+
+
 /* So far measurements done for B210 show really close to linear relationship
  * between gain and real output power, so we simply adjust the measured offset
  */
@@ -70,16 +120,21 @@ static double TxPower2TxGain(const dev_band_desc &desc, double tx_power_dbm)
 	return desc.nom_uhd_tx_gain - (desc.nom_out_tx_power - tx_power_dbm);
 }
 
-blade_device::blade_device(InterfaceType iface, const struct trx_cfg *cfg)
+blade_device::blade_device(size_t tx_sps, size_t rx_sps,
-	: RadioDevice(iface, cfg), band_manager(dev_band_nom_power_param_map, dev_param_map), dev(nullptr),
+		       InterfaceType iface, size_t chan_num, double lo_offset,
-	  rx_gain_min(0.0), rx_gain_max(0.0), tx_spp(0), rx_spp(0), started(false), aligned(false), drop_cnt(0),
+		       const std::vector<std::string>& tx_paths,
-	  prev_ts(0), ts_initial(0), ts_offset(0), async_event_thrd(NULL)
+		       const std::vector<std::string>& rx_paths)
+	: RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths),
+	  dev(nullptr), rx_gain_min(0.0), rx_gain_max(0.0),
+	  band_ass_curr_sess(false), band((enum gsm_band)0), tx_spp(0),
+	  rx_spp(0), started(false), aligned(false),
+	  drop_cnt(0), prev_ts(0), ts_initial(0), ts_offset(0), async_event_thrd(NULL)
 {
 }
 
 blade_device::~blade_device()
 {
-	if (dev) {
+	if(dev) {
 		bladerf_enable_module(dev, BLADERF_CHANNEL_RX(0), false);
 		bladerf_enable_module(dev, BLADERF_CHANNEL_TX(0), false);
 	}
@@ -90,41 +145,82 @@ blade_device::~blade_device()
 		delete rx_buffers[i];
 }
 
+void blade_device::assign_band_desc(enum gsm_band req_band)
+{
+	dev_band_map_it it;
+
+	it = dev_band_nom_power_param_map.find(dev_band_key(dev_type, req_band));
+	if (it == dev_band_nom_power_param_map.end()) {
+		dev_desc desc = dev_param_map.at(dev_key(dev_type, tx_sps, rx_sps));
+		LOGC(DDEV, ERROR) << "No Power parameters exist for device "
+				    << desc.str << " on band " << gsm_band_name(req_band)
+				    << ", using B210 ones as fallback";
+		it = dev_band_nom_power_param_map.find(dev_band_key(blade_dev_type::BLADE2, req_band));
+	}
+	OSMO_ASSERT(it != dev_band_nom_power_param_map.end())
+	band_desc = it->second;
+}
+
+bool blade_device::set_band(enum gsm_band req_band)
+{
+	if (band_ass_curr_sess && req_band != band) {
+		LOGC(DDEV, ALERT) << "Requesting band " << gsm_band_name(req_band)
+				  << " different from previous band " << gsm_band_name(band);
+		return false;
+	}
+
+	if (req_band != band) {
+		band = req_band;
+		assign_band_desc(band);
+	}
+	band_ass_curr_sess = true;
+	return true;
+}
+
+void blade_device::get_dev_band_desc(dev_band_desc& desc)
+{
+	if (band == 0) {
+		LOGC(DDEV, ERROR) << "Power parameters requested before Tx Frequency was set! Providing band 900 by default...";
+		assign_band_desc(GSM_BAND_900);
+	}
+	desc = band_desc;
+}
+
 void blade_device::init_gains()
 {
 	double tx_gain_min, tx_gain_max;
 	int status;
 
-	const struct bladerf_range *r;
+	
+	const struct bladerf_range* r;
 	bladerf_get_gain_range(dev, BLADERF_RX, &r);
 
+
 	rx_gain_min = r->min;
 	rx_gain_max = r->max;
 	LOGC(DDEV, INFO) << "Supported Rx gain range [" << rx_gain_min << "; " << rx_gain_max << "]";
 
 	for (size_t i = 0; i < rx_gains.size(); i++) {
 		double gain = (rx_gain_min + rx_gain_max) / 2;
-		status = bladerf_set_gain_mode(dev, BLADERF_CHANNEL_RX(i), BLADERF_GAIN_MGC);
+		status = bladerf_set_gain_mode(dev, BLADERF_CHANNEL_RX(i), BLADERF_GAIN_MGC );
 		CHKRET()
 		bladerf_gain_mode m;
 		bladerf_get_gain_mode(dev, BLADERF_CHANNEL_RX(i), &m);
-		LOGC(DDEV, INFO) << (m == BLADERF_GAIN_MANUAL ? "gain manual" : "gain AUTO");
+		LOGC(DDEV, INFO) << (m == BLADERF_GAIN_MANUAL ? "gain manual" : "gain AUTO") ;
 
-		status = bladerf_set_gain(dev, BLADERF_CHANNEL_RX(i), 0);
+		status = bladerf_set_gain(dev, BLADERF_CHANNEL_RX(i), 0);//gain);
 		CHKRET()
 		int actual_gain;
 		status = bladerf_get_gain(dev, BLADERF_CHANNEL_RX(i), &actual_gain);
 		CHKRET()
-		LOGC(DDEV, INFO) << "Default setting Rx gain for channel " << i << " to " << gain << " scale "
+		LOGC(DDEV, INFO) << "Default setting Rx gain for channel " << i << " to " << gain << " scale " << r->scale << " actual " << actual_gain;
-				 << r->scale << " actual " << actual_gain;
 		rx_gains[i] = actual_gain;
 
-		status = bladerf_set_gain(dev, BLADERF_CHANNEL_RX(i), 0);
+		status = bladerf_set_gain(dev, BLADERF_CHANNEL_RX(i), 0);//gain);
 		CHKRET()
 		status = bladerf_get_gain(dev, BLADERF_CHANNEL_RX(i), &actual_gain);
 		CHKRET()
-		LOGC(DDEV, INFO) << "Default setting Rx gain for channel " << i << " to " << gain << " scale "
+		LOGC(DDEV, INFO) << "Default setting Rx gain for channel " << i << " to " << gain << " scale " << r->scale << " actual " << actual_gain;
-				 << r->scale << " actual " << actual_gain;
 		rx_gains[i] = actual_gain;
 	}
 
@@ -136,35 +232,40 @@ void blade_device::init_gains()
 
 	for (size_t i = 0; i < tx_gains.size(); i++) {
 		double gain = (tx_gain_min + tx_gain_max) / 2;
-		status = bladerf_set_gain(dev, BLADERF_CHANNEL_TX(i), 30);
+		status = bladerf_set_gain(dev, BLADERF_CHANNEL_TX(i), 30);//gain);
 		CHKRET()
 		int actual_gain;
 		status = bladerf_get_gain(dev, BLADERF_CHANNEL_TX(i), &actual_gain);
 		CHKRET()
-		LOGC(DDEV, INFO) << "Default setting Tx gain for channel " << i << " to " << gain << " scale "
+		LOGC(DDEV, INFO) << "Default setting Tx gain for channel " << i << " to " << gain << " scale " << r->scale << " actual " << actual_gain;
-				 << r->scale << " actual " << actual_gain;
 		tx_gains[i] = actual_gain;
 	}
 
 	return;
+
 }
 
 void blade_device::set_rates()
 {
-	struct bladerf_rational_rate rate = { 0, static_cast<uint64_t>((1625e3 * 4)), 6 }, actual;
+	//dev_desc desc = dev_param_map.at(dev_key(dev_type, tx_sps, rx_sps));
+
+	struct bladerf_rational_rate rate = {0, static_cast<uint64_t>((1625e3 * 4)), 6}, actual;
 	auto status = bladerf_set_rational_sample_rate(dev, BLADERF_CHANNEL_RX(0), &rate, &actual);
 	CHKRET()
 	status = bladerf_set_rational_sample_rate(dev, BLADERF_CHANNEL_TX(0), &rate, &actual);
 	CHKRET()
 
-	tx_rate = rx_rate = (double)rate.num / (double)rate.den;
+
+	tx_rate = rx_rate = (double)rate.num/(double)rate.den;
 
 	LOGC(DDEV, INFO) << "Rates set to" << tx_rate << " / " << rx_rate;
 
-	bladerf_set_bandwidth(dev, BLADERF_CHANNEL_RX(0), (bladerf_bandwidth)2e6, (bladerf_bandwidth *)NULL);
-	bladerf_set_bandwidth(dev, BLADERF_CHANNEL_TX(0), (bladerf_bandwidth)2e6, (bladerf_bandwidth *)NULL);
 
-	ts_offset = 60; // FIXME: actual blade offset, should equal b2xx
+    bladerf_set_bandwidth(dev, BLADERF_CHANNEL_RX(0), (bladerf_bandwidth)2e6, (bladerf_bandwidth*)NULL);
+    bladerf_set_bandwidth(dev, BLADERF_CHANNEL_TX(0), (bladerf_bandwidth)2e6, (bladerf_bandwidth*)NULL);
+
+	ts_offset = 60;//static_cast<TIMESTAMP>(desc.offset * rx_rate);
+	//LOGC(DDEV, INFO) << "Rates configured for " << desc.str;
 }
 
 double blade_device::setRxGain(double db, size_t chan)
@@ -174,7 +275,7 @@ double blade_device::setRxGain(double db, size_t chan)
 		return 0.0f;
 	}
 
-	bladerf_set_gain(dev, BLADERF_CHANNEL_RX(chan), 30); //db);
+	bladerf_set_gain(dev, BLADERF_CHANNEL_RX(chan), 30);//db);
 	int actual_gain;
 	bladerf_get_gain(dev, BLADERF_CHANNEL_RX(chan), &actual_gain);
 
@@ -210,8 +311,7 @@ double blade_device::rssiOffset(size_t chan)
 	return rssiOffset;
 }
 
-double blade_device::setPowerAttenuation(int atten, size_t chan)
+double blade_device::setPowerAttenuation(int atten, size_t chan) {
-{
 	double tx_power, db;
 	dev_band_desc desc;
 
@@ -224,20 +324,19 @@ double blade_device::setPowerAttenuation(int atten, size_t chan)
 	tx_power = desc.nom_out_tx_power - atten;
 	db = TxPower2TxGain(desc, tx_power);
 
-	bladerf_set_gain(dev, BLADERF_CHANNEL_TX(chan), 30);
+	bladerf_set_gain(dev, BLADERF_CHANNEL_TX(chan), 30);//db);
 	int actual_gain;
 	bladerf_get_gain(dev, BLADERF_CHANNEL_RX(chan), &actual_gain);
 
 	tx_gains[chan] = actual_gain;
 
-	LOGC(DDEV, INFO)
+	LOGC(DDEV, INFO) << "Set TX gain to " << tx_gains[chan] << "dB, ~"
-		<< "Set TX gain to " << tx_gains[chan] << "dB, ~" << TxGain2TxPower(desc, tx_gains[chan]) << " dBm "
+			 <<  TxGain2TxPower(desc, tx_gains[chan]) << " dBm "
-		<< "(asked for " << db << " dB, ~" << tx_power << " dBm)";
+			 << "(asked for " << db << " dB, ~" << tx_power << " dBm)";
 
 	return desc.nom_out_tx_power - TxGain2TxPower(desc, tx_gains[chan]);
 }
-double blade_device::getPowerAttenuation(size_t chan)
+double blade_device::getPowerAttenuation(size_t chan) {
-{
 	dev_band_desc desc;
 	if (chan >= tx_gains.size()) {
 		LOGC(DDEV, ALERT) << "Requested non-existent channel " << chan;
@@ -256,42 +355,45 @@ int blade_device::getNominalTxPower(size_t chan)
 	return desc.nom_out_tx_power;
 }
 
-int blade_device::open()
+
+int blade_device::open(const std::string &args, int ref, bool swap_channels)
 {
+
 	bladerf_log_set_verbosity(BLADERF_LOG_LEVEL_VERBOSE);
 	bladerf_set_usb_reset_on_open(true);
-	auto success = bladerf_open(&dev, cfg->dev_args);
+	auto success = bladerf_open(&dev, args.c_str());
-	if (success != 0) {
+	if(success != 0) {
-		struct bladerf_devinfo *info;
+		struct bladerf_devinfo* info;
 		auto num_devs = bladerf_get_device_list(&info);
-		LOGC(DDEV, ALERT) << "No bladerf devices found with identifier '" << cfg->dev_args << "'";
+		LOGC(DDEV, ALERT) << "No bladerf devices found with identifier '" << args << "'";
-		if (num_devs) {
+		if(num_devs) {
-			for (int i = 0; i < num_devs; i++)
+			for(int i=0; i < num_devs; i++)
 				LOGC(DDEV, ALERT) << "Found device:" << info[i].product << " serial " << info[i].serial;
 		}
 
 		return -1;
 	}
-	if (strcmp("bladerf2", bladerf_get_board_name(dev))) {
+	if(strcmp("bladerf2", bladerf_get_board_name(dev))) {
-		LOGC(DDEV, ALERT) << "Only BladeRF2 supported! found:" << bladerf_get_board_name(dev);
+		LOGC(DDEV, ALERT) << "Only BladeRF2 supported! found:" << bladerf_get_board_name(dev) ;
 		return -1;
 	}
 
 	dev_type = blade_dev_type::BLADE2;
 	tx_window = TX_WINDOW_FIXED;
-	update_band_dev(dev_key(dev_type, tx_sps, rx_sps));
+	
-
 	struct bladerf_devinfo info;
 	bladerf_get_devinfo(dev, &info);
+	// Use the first found device
 	LOGC(DDEV, INFO) << "Using discovered bladerf device " << info.serial;
 
+
 	tx_freqs.resize(chans);
 	rx_freqs.resize(chans);
 	tx_gains.resize(chans);
 	rx_gains.resize(chans);
 	rx_buffers.resize(chans);
 
-	switch (cfg->clock_ref) {
+	switch (ref) {
 	case REF_INTERNAL:
 	case REF_EXTERNAL:
 		break;
@@ -300,65 +402,74 @@ int blade_device::open()
 		return -1;
 	}
 
-	if (cfg->clock_ref == REF_EXTERNAL) {
+	if(ref == REF_EXTERNAL) {
 		bool is_locked;
 		int status = bladerf_set_pll_enable(dev, true);
 		CHKRET()
 		status = bladerf_set_pll_refclk(dev, 10000000);
 		CHKRET()
-		for (int i = 0; i < 20; i++) {
+		for(int i=0; i < 20; i++) {
-			usleep(50 * 1000);
+			usleep(50*1000);
 			status = bladerf_get_pll_lock_state(dev, &is_locked);
 			CHKRET()
-			if (is_locked)
+			if(is_locked)
 				break;
 		}
-		if (!is_locked) {
+		if(!is_locked) {
 			LOGC(DDEV, ALERT) << "unable to lock refclk!";
 			return -1;
 		}
 	}
 
-	LOGC(DDEV, INFO)
+	LOGC(DDEV, INFO) << "Selected clock source is " << ((ref == REF_INTERNAL) ? "internal" : "external 10Mhz");
-		<< "Selected clock source is " << ((cfg->clock_ref == REF_INTERNAL) ? "internal" : "external 10Mhz");
 
 	set_rates();
 
-	/*
+/*
 	1ts = 3/5200s
 	1024*2 = small gap(~180us) every 9.23ms = every 16 ts? -> every 2 frames
 	1024*1 = large gap(~627us) every 9.23ms = every 16 ts? -> every 2 frames
 
 	rif convertbuffer = 625*4 = 2500 -> 4 ts
 	rif rxtxbuf = 4 * segment(625*4) = 10000 -> 16 ts
-	*/
+*/
-	const unsigned int num_buffers = 256;
+    const unsigned int num_buffers   = 256;
-	const unsigned int buffer_size = 1024 * 4; /* Must be a multiple of 1024 */
+    const unsigned int buffer_size   = 1024*4; /* Must be a multiple of 1024 */
-	const unsigned int num_transfers = 32;
+    const unsigned int num_transfers = 32;
-	const unsigned int timeout_ms = 3500;
+    const unsigned int timeout_ms    = 3500;
+
+
+    bladerf_sync_config(dev, BLADERF_RX_X1, BLADERF_FORMAT_SC16_Q11_META,
+                                 num_buffers, buffer_size, num_transfers,
+                                 timeout_ms);
+
+    bladerf_sync_config(dev, BLADERF_TX_X1, BLADERF_FORMAT_SC16_Q11_META,
+                                 num_buffers, buffer_size, num_transfers,
+                                 timeout_ms);
+
 
-	bladerf_sync_config(dev, BLADERF_RX_X1, BLADERF_FORMAT_SC16_Q11_META, num_buffers, buffer_size, num_transfers,
-			    timeout_ms);
 
-	bladerf_sync_config(dev, BLADERF_TX_X1, BLADERF_FORMAT_SC16_Q11_META, num_buffers, buffer_size, num_transfers,
-			    timeout_ms);
 
 	/* Number of samples per over-the-wire packet */
 	tx_spp = rx_spp = buffer_size;
 
+	// Create receive buffer
 	size_t buf_len = SAMPLE_BUF_SZ / sizeof(uint32_t);
 	for (size_t i = 0; i < rx_buffers.size(); i++)
 		rx_buffers[i] = new smpl_buf(buf_len);
 
+	// Create vector buffer
 	pkt_bufs = std::vector<std::vector<short> >(chans, std::vector<short>(2 * rx_spp));
 	for (size_t i = 0; i < pkt_bufs.size(); i++)
 		pkt_ptrs.push_back(&pkt_bufs[i].front());
 
+	// Initialize and shadow gain values
 	init_gains();
 
 	return NORMAL;
 }
 
+
 bool blade_device::restart()
 {
 	/* Allow 100 ms delay to align multi-channel streams */
@@ -387,9 +498,11 @@ bool blade_device::start()
 		return false;
 	}
 
+	// Start streaming
 	if (!restart())
 		return false;
 
+
 	started = true;
 	return true;
 }
@@ -403,13 +516,14 @@ bool blade_device::stop()
 	for (size_t i = 0; i < rx_buffers.size(); i++)
 		rx_buffers[i]->reset();
 
-	band_reset();
+	band_ass_curr_sess = false;
 
 	started = false;
 	return true;
 }
 
-int blade_device::readSamples(std::vector<short *> &bufs, int len, bool *overrun, TIMESTAMP timestamp, bool *underrun)
+int blade_device::readSamples(std::vector<short *> &bufs, int len, bool *overrun,
+			    TIMESTAMP timestamp, bool *underrun)
 {
 	ssize_t rc;
 	uint64_t ts;
@@ -436,25 +550,33 @@ int blade_device::readSamples(std::vector<short *> &bufs, int len, bool *overrun
 		return 0;
 	}
 
+	
 	struct bladerf_metadata meta = {};
 	meta.timestamp = ts;
+	//static bool first_rx = true;
+	// meta.timestamp = (first_rx) ? ts : 0;
+	// meta.flags = (!first_rx) ? 0:BLADERF_META_FLAG_RX_NOW;
+	// if(first_rx)
+	// 	first_rx = false;
 
+	// Receive samples from the usrp until we have enough
 	while (rx_buffers[0]->avail_smpls(timestamp) < len) {
 		thread_enable_cancel(false);
 		int status = bladerf_sync_rx(dev, pkt_ptrs[0], len, &meta, 200U);
 		thread_enable_cancel(true);
 
-		if (status != 0)
+		if(status != 0)
-			LOGC(DDEV, ERROR) << "RX broken: " << bladerf_strerror(status);
+			std::cerr << "RX fucked: " << bladerf_strerror(status);
-		if (meta.flags & BLADERF_META_STATUS_OVERRUN)
+		if(meta.flags & BLADERF_META_STATUS_OVERRUN )
-			LOGC(DDEV, ERROR) << "RX borken, OVERRUN: " << bladerf_strerror(status);
+			std::cerr << "RX fucked OVER: " << bladerf_strerror(status);
 
 		size_t num_smpls = meta.actual_count;
-		;
+;		ts = meta.timestamp;
-		ts = meta.timestamp;
 
 		for (size_t i = 0; i < rx_buffers.size(); i++) {
-			rc = rx_buffers[i]->write((short *)&pkt_bufs[i].front(), num_smpls, ts);
+			rc = rx_buffers[i]->write((short *) &pkt_bufs[i].front(),
+						  num_smpls,
+						  ts);
 
 			// Continue on local overrun, exit on other errors
 			if ((rc < 0)) {
@@ -465,9 +587,10 @@ int blade_device::readSamples(std::vector<short *> &bufs, int len, bool *overrun
 			}
 		}
 		meta = {};
-		meta.timestamp = ts + num_smpls;
+		meta.timestamp = ts+num_smpls;
 	}
 
+	// We have enough samples
 	for (size_t i = 0; i < rx_buffers.size(); i++) {
 		rc = rx_buffers[i]->read(bufs[i], len, timestamp);
 		if ((rc < 0) || (rc != len)) {
@@ -480,23 +603,27 @@ int blade_device::readSamples(std::vector<short *> &bufs, int len, bool *overrun
 	return len;
 }
 
-int blade_device::writeSamples(std::vector<short *> &bufs, int len, bool *underrun, unsigned long long timestamp)
+int blade_device::writeSamples(std::vector<short *> &bufs, int len, bool *underrun,
+			     unsigned long long timestamp)
 {
 	*underrun = false;
 	static bool first_tx = true;
 	struct bladerf_metadata meta = {};
-	if (first_tx) {
+	if(first_tx) {
 		meta.timestamp = timestamp;
 		meta.flags = BLADERF_META_FLAG_TX_BURST_START;
 		first_tx = false;
 	}
 
 	thread_enable_cancel(false);
-	int status = bladerf_sync_tx(dev, (const void *)bufs[0], len, &meta, 200U);
+	int status = bladerf_sync_tx(dev, (const void*)bufs[0], len, &meta, 200U);
+	//size_t num_smpls = tx_stream->send(bufs, len, metadata);
 	thread_enable_cancel(true);
 
-	if (status != 0)
+	if(status != 0)
-		LOGC(DDEV, ERROR) << "TX broken: " << bladerf_strerror(status);
+		std::cerr << "TX fucked: " << bladerf_strerror(status);
+
+	// LOGCHAN(0, DDEV, INFO) << "tx " << timestamp << " " << len << " t+l: "<< timestamp+len << std::endl;
 
 	return len;
 }
@@ -508,31 +635,47 @@ bool blade_device::updateAlignment(TIMESTAMP timestamp)
 
 bool blade_device::set_freq(double freq, size_t chan, bool tx)
 {
+
 	if (tx) {
 		bladerf_set_frequency(dev, BLADERF_CHANNEL_TX(chan), freq);
 		bladerf_frequency f;
-		bladerf_get_frequency(dev, BLADERF_CHANNEL_TX(chan), &f);
+		bladerf_get_frequency(dev,BLADERF_CHANNEL_TX(chan), &f);
 		tx_freqs[chan] = f;
 	} else {
 		bladerf_set_frequency(dev, BLADERF_CHANNEL_RX(chan), freq);
 		bladerf_frequency f;
-		bladerf_get_frequency(dev, BLADERF_CHANNEL_RX(chan), &f);
+		bladerf_get_frequency(dev,BLADERF_CHANNEL_RX(chan), &f);
 		rx_freqs[chan] = f;
 	}
-	LOGCHAN(chan, DDEV, INFO) << "set_freq(" << freq << ", " << (tx ? "TX" : "RX") << "): " << std::endl;
+	LOGCHAN(chan, DDEV, INFO) << "set_freq(" << freq << ", " << (tx  ? "TX" : "RX") << "): "  << std::endl;
+
 
 	return true;
 }
 
 bool blade_device::setTxFreq(double wFreq, size_t chan)
 {
+	uint16_t req_arfcn;
+	enum gsm_band req_band;
+
 	if (chan >= tx_freqs.size()) {
 		LOGC(DDEV, ALERT) << "Requested non-existent channel " << chan;
 		return false;
 	}
 	ScopedLock lock(tune_lock);
 
-	if (!update_band_from_freq(wFreq, chan, true))
+	req_arfcn = gsm_freq102arfcn(wFreq / 1000 / 100 , 0);
+	if (req_arfcn == 0xffff) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown ARFCN for Tx Frequency " << wFreq / 1000 << " kHz";
+		return false;
+	}
+	if (gsm_arfcn2band_rc(req_arfcn, &req_band) < 0) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown GSM band for Tx Frequency " << wFreq
+					   << " Hz (ARFCN " << req_arfcn << " )";
+		return false;
+	}
+
+	if (!set_band(req_band))
 		return false;
 
 	if (!set_freq(wFreq, chan, true))
@@ -543,13 +686,27 @@ bool blade_device::setTxFreq(double wFreq, size_t chan)
 
 bool blade_device::setRxFreq(double wFreq, size_t chan)
 {
+	uint16_t req_arfcn;
+	enum gsm_band req_band;
+
 	if (chan >= rx_freqs.size()) {
 		LOGC(DDEV, ALERT) << "Requested non-existent channel " << chan;
 		return false;
 	}
 	ScopedLock lock(tune_lock);
 
-	if (!update_band_from_freq(wFreq, chan, false))
+	req_arfcn = gsm_freq102arfcn(wFreq / 1000 / 100, 1);
+	if (req_arfcn == 0xffff) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown ARFCN for Rx Frequency " << wFreq / 1000 << " kHz";
+		return false;
+	}
+	if (gsm_arfcn2band_rc(req_arfcn, &req_band) < 0) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown GSM band for Rx Frequency " << wFreq
+					   << " Hz (ARFCN " << req_arfcn << " )";
+		return false;
+	}
+
+	if (!set_band(req_band))
 		return false;
 
 	return set_freq(wFreq, chan, false);
@@ -580,9 +737,12 @@ bool blade_device::requiresRadioAlign()
 	return false;
 }
 
-GSM::Time blade_device::minLatency()
+GSM::Time blade_device::minLatency() {
-{
+	/* Empirical data from a handful of
-	return GSM::Time(6, 7);
+	relatively recent machines shows that the B100 will underrun when
+	the transmit threshold is reduced to a time of 6 and a half frames,
+	so we set a minimum 7 frame threshold. */
+	return GSM::Time(6,7);
 }
 
 TIMESTAMP blade_device::initialWriteTimestamp()
@@ -597,15 +757,21 @@ TIMESTAMP blade_device::initialReadTimestamp()
 
 double blade_device::fullScaleInputValue()
 {
-	return (double)2047;
+		return (double) 2047;
 }
 
 double blade_device::fullScaleOutputValue()
 {
-	return (double)2047;
+	return (double) 2047;
 }
 
-RadioDevice *RadioDevice::make(InterfaceType type, const struct trx_cfg *cfg)
+
+#ifndef IPCMAGIC
+RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps,
+			       InterfaceType iface, size_t chans, double lo_offset,
+			       const std::vector<std::string>& tx_paths,
+			       const std::vector<std::string>& rx_paths)
 {
-	return new blade_device(type, cfg);
+	return new blade_device(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
 }
+#endif

Transceiver52M/device/bladerf/bladerf.h

@@ -22,12 +22,10 @@
 
 #pragma once
 
-#include <map>
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include "bandmanager.h"
 #include "radioDevice.h"
 #include "smpl_buf.h"
 
@@ -35,13 +33,18 @@ extern "C" {
 #include <osmocom/gsm/gsm_utils.h>
 }
 
-enum class blade_dev_type { BLADE1, BLADE2 };
+#include <bladerf.h>
+
+enum class blade_dev_type {
+	BLADE1,
+	BLADE2
+};
 
 struct dev_band_desc {
 	/* Maximum UHD Tx Gain which can be set/used without distorting the
 	   output signal, and the resulting real output power measured when that
 	   gain is used. Correct measured values only provided for B210 so far. */
-	double nom_uhd_tx_gain; /* dB */
+	double nom_uhd_tx_gain;  /* dB */
 	double nom_out_tx_power; /* dBm */
 	/* Factor used to infer base real RSSI offset on the Rx path based on current
 	   configured RxGain. The resulting rssiOffset is added to the per burst
@@ -52,37 +55,25 @@ struct dev_band_desc {
 	double rxgain2rssioffset_rel; /* dB */
 };
 
-/* Device parameter descriptor */
+class blade_device : public RadioDevice {
-struct dev_desc {
+public:
-	unsigned channels;
+	blade_device(size_t tx_sps, size_t rx_sps, InterfaceType type,
-	double mcr;
+		   size_t chan_num, double offset,
-	double rate;
+		   const std::vector<std::string>& tx_paths,
-	double offset;
+		   const std::vector<std::string>& rx_paths);
-	std::string desc_str;
-};
-
-using dev_key = std::tuple<blade_dev_type, int, int>;
-using dev_band_key = std::tuple<blade_dev_type, enum gsm_band>;
-using power_map_t = std::map<dev_band_key, dev_band_desc>;
-using dev_map_t = std::map<dev_key, dev_desc>;
-
-class blade_device : public RadioDevice, public band_manager<power_map_t, dev_map_t> {
-    public:
-	blade_device(InterfaceType iface, const struct trx_cfg *cfg);
 	~blade_device();
 
-	int open();
+	int open(const std::string &args, int ref, bool swap_channels);
 	bool start();
 	bool stop();
 	bool restart();
-	enum TxWindowType getWindowType()
+	enum TxWindowType getWindowType() { return tx_window; }
-	{
-		return tx_window;
-	}
 
-	int readSamples(std::vector<short *> &bufs, int len, bool *overrun, TIMESTAMP timestamp, bool *underrun);
+	int readSamples(std::vector<short *> &bufs, int len, bool *overrun,
+			TIMESTAMP timestamp, bool *underrun);
 
-	int writeSamples(std::vector<short *> &bufs, int len, bool *underrun, TIMESTAMP timestamp);
+	int writeSamples(std::vector<short *> &bufs, int len, bool *underrun,
+			 TIMESTAMP timestamp);
 
 	bool updateAlignment(TIMESTAMP timestamp);
 
@@ -97,14 +88,8 @@ class blade_device : public RadioDevice, public band_manager<power_map_t, dev_ma
 
 	double setRxGain(double db, size_t chan);
 	double getRxGain(size_t chan);
-	double maxRxGain(void)
+	double maxRxGain(void) { return rx_gain_max; }
-	{
+	double minRxGain(void) { return rx_gain_min; }
-		return rx_gain_max;
-	}
-	double minRxGain(void)
-	{
-		return rx_gain_min;
-	}
 	double rssiOffset(size_t chan);
 
 	double setPowerAttenuation(int atten, size_t chan);
@@ -116,31 +101,16 @@ class blade_device : public RadioDevice, public band_manager<power_map_t, dev_ma
 	double getRxFreq(size_t chan);
 	double getRxFreq();
 
-	bool setRxAntenna(const std::string &ant, size_t chan)
+	bool setRxAntenna(const std::string &ant, size_t chan) { return {};};
-	{
+	std::string getRxAntenna(size_t chan) { return {};};
-		return {};
+	bool setTxAntenna(const std::string &ant, size_t chan) { return {};};
-	};
+	std::string getTxAntenna(size_t chan) { return {};};
-	std::string getRxAntenna(size_t chan)
-	{
-		return {};
-	};
-	bool setTxAntenna(const std::string &ant, size_t chan)
-	{
-		return {};
-	};
-	std::string getTxAntenna(size_t chan)
-	{
-		return {};
-	};
 
 	bool requiresRadioAlign();
 
 	GSM::Time minLatency();
 
-	inline double getSampleRate()
+	inline double getSampleRate() { return tx_rate; }
-	{
-		return tx_rate;
-	}
 
 	/** Receive and process asynchronous message
 	    @return true if message received or false on timeout or error
@@ -154,9 +124,9 @@ class blade_device : public RadioDevice, public band_manager<power_map_t, dev_ma
 		ERROR_UNHANDLED = -4,
 	};
 
-    protected:
+protected:
-	struct bladerf *dev;
+	struct bladerf* dev;
-	void *usrp_dev;
+	void* usrp_dev;
 
 	enum TxWindowType tx_window;
 	enum blade_dev_type dev_type;
@@ -167,6 +137,9 @@ class blade_device : public RadioDevice, public band_manager<power_map_t, dev_ma
 
 	std::vector<double> tx_gains, rx_gains;
 	std::vector<double> tx_freqs, rx_freqs;
+	bool band_ass_curr_sess; /* true if  "band" was set after last POWEROFF */
+	enum gsm_band band;
+	struct dev_band_desc band_desc;
 	size_t tx_spp, rx_spp;
 
 	bool started;
@@ -189,6 +162,9 @@ class blade_device : public RadioDevice, public band_manager<power_map_t, dev_ma
 	bool flush_recv(size_t num_pkts);
 
 	bool set_freq(double freq, size_t chan, bool tx);
+	void get_dev_band_desc(dev_band_desc& desc);
+	bool set_band(enum gsm_band req_band);
+	void assign_band_desc(enum gsm_band req_band);
 
 	Thread *async_event_thrd;
 	Mutex tune_lock;

Transceiver52M/device/common/Makefile.am

@@ -4,7 +4,7 @@ AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES)
 AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS)
 
 
-noinst_HEADERS = radioDevice.h smpl_buf.h bandmanager.h
+noinst_HEADERS = radioDevice.h smpl_buf.h
 
 noinst_LTLIBRARIES = libdevice_common.la
 

Transceiver52M/device/common/bandmanager.h

@@ -1,137 +0,0 @@
-#pragma once
-/*
- * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <string>
-#include <tuple>
-
-#include "Logger.h"
-
-extern "C" {
-#include <osmocom/gsm/gsm_utils.h>
-}
-
-template <typename powermapt, typename devmapt>
-class band_manager {
-	using powerkeyt = typename powermapt::key_type;
-	using powermappedt = typename powermapt::mapped_type;
-	using devkeyt = typename devmapt::key_type;
-	devkeyt m_dev_type;
-	const powermapt &m_power_map;
-	const devmapt &m_dev_map;
-	powerkeyt m_fallback;
-	enum gsm_band m_band;
-	powermappedt m_band_desc;
-	bool band_ass_curr_sess{}; /* true if  "band" was set after last POWEROFF */
-
-	// looks up either first tuple element (->enum) or straight enum
-	template <typename T, typename std::enable_if<std::is_enum<T>::value>::type *dummy = nullptr>
-	auto key_helper(T &t) -> T
-	{
-		return t;
-	}
-
-	template <typename T>
-	auto key_helper(T t) -> typename std::tuple_element<0, T>::type
-	{
-		return std::get<0>(t);
-	}
-
-	void assign_band_desc(enum gsm_band req_band)
-	{
-		auto key = key_helper(m_dev_type);
-		auto fallback_key = key_helper(m_fallback);
-		auto it = m_power_map.find({ key, req_band });
-		if (it == m_power_map.end()) {
-			auto desc = m_dev_map.at(m_dev_type);
-			LOGC(DDEV, ERROR) << "No Tx Power measurements exist for device " << desc.desc_str
-					  << " on band " << gsm_band_name(req_band) << ", using fallback..";
-			it = m_power_map.find({ fallback_key, req_band });
-		}
-		OSMO_ASSERT(it != m_power_map.end());
-		m_band_desc = it->second;
-	}
-
-	bool set_band(enum gsm_band req_band)
-	{
-		if (band_ass_curr_sess && req_band != m_band) {
-			LOGC(DDEV, ALERT) << "Requesting band " << gsm_band_name(req_band)
-					  << " different from previous band " << gsm_band_name(m_band);
-			return false;
-		}
-
-		if (req_band != m_band) {
-			m_band = req_band;
-			assign_band_desc(m_band);
-		}
-		band_ass_curr_sess = true;
-		return true;
-	}
-
-    public:
-	band_manager(const devkeyt &dev_type, const powermapt &power_map, const devmapt &dev_map, powerkeyt fallback)
-		: m_dev_type(dev_type), m_power_map(power_map), m_dev_map(dev_map), m_fallback(fallback),
-		  m_band((enum gsm_band)0)
-	{
-	}
-	band_manager(const powermapt &power_map, const devmapt &dev_map)
-		: m_dev_type(dev_map.begin()->first), m_power_map(power_map), m_dev_map(dev_map),
-		  m_fallback(m_power_map.begin()->first), m_band((enum gsm_band)0)
-	{
-	}
-	void band_reset()
-	{
-		band_ass_curr_sess = false;
-	}
-
-	void update_band_dev(devkeyt dev_type) {
-		m_dev_type = dev_type;
-	}
-
-	void get_dev_band_desc(powermappedt &desc)
-	{
-		if (m_band == 0) {
-			LOGC(DDEV, ERROR)
-				<< "Power parameters requested before Tx Frequency was set! Providing band 900 by default...";
-			assign_band_desc(GSM_BAND_900);
-		}
-		desc = m_band_desc;
-	}
-
-	bool update_band_from_freq(double wFreq, int chan, bool is_tx)
-	{
-		enum gsm_band req_band;
-		auto dirstr = is_tx ? "Tx" : "Rx";
-		auto req_arfcn = gsm_freq102arfcn(wFreq / 1000 / 100, !is_tx);
-		if (req_arfcn == 0xffff) {
-			LOGCHAN(chan, DDEV, ALERT)
-				<< "Unknown ARFCN for " << dirstr << " Frequency " << wFreq / 1000 << " kHz";
-			return false;
-		}
-		if (gsm_arfcn2band_rc(req_arfcn, &req_band) < 0) {
-			LOGCHAN(chan, DDEV, ALERT) << "Unknown GSM band for " << dirstr << " Frequency " << wFreq
-						   << " Hz (ARFCN " << req_arfcn << " )";
-			return false;
-		}
-
-		return set_band(req_band);
-	}
-};

Transceiver52M/device/common/radioDevice.h

@@ -51,10 +51,13 @@ class RadioDevice {
     MULTI_ARFCN,
   };
 
-  static RadioDevice *make(InterfaceType type, const struct trx_cfg *cfg);
+  static RadioDevice *make(size_t tx_sps, size_t rx_sps, InterfaceType type,
+                           size_t chans = 1, double offset = 0.0,
+                           const std::vector<std::string>& tx_paths = std::vector<std::string>(1, ""),
+                           const std::vector<std::string>& rx_paths = std::vector<std::string>(1, ""));
 
   /** Initialize the USRP */
-  virtual int open() = 0;
+  virtual int open(const std::string &args, int ref, bool swap_channels)=0;
 
   virtual ~RadioDevice() { }
 
@@ -161,30 +164,23 @@ class RadioDevice {
   double lo_offset;
   std::vector<std::string> tx_paths, rx_paths;
   std::vector<struct device_counters> m_ctr;
-  const struct trx_cfg *cfg;
 
-#define charp2str(a) ((a) ? std::string(a) : std::string(""))
+  RadioDevice(size_t tx_sps, size_t rx_sps, InterfaceType type, size_t chan_num, double offset,
+              const std::vector<std::string>& tx_paths,
+              const std::vector<std::string>& rx_paths):
+		tx_sps(tx_sps), rx_sps(rx_sps), iface(type), chans(chan_num), lo_offset(offset),
+		tx_paths(tx_paths), rx_paths(rx_paths), m_ctr(chans)
+	{
+		if (iface == MULTI_ARFCN) {
+			LOGC(DDEV, INFO) << "Multi-ARFCN: "<< chan_num << " logical chans -> 1 physical chans";
+			chans = 1;
+		}
 
-  RadioDevice(InterfaceType type, const struct trx_cfg *cfg)
+		for (size_t i = 0; i < chans; i++) {
-	  : tx_sps(cfg->tx_sps), rx_sps(cfg->rx_sps), iface(type), chans(cfg->num_chans), lo_offset(cfg->offset),
+			memset(&m_ctr[i], 0, sizeof(m_ctr[i]));
-	    m_ctr(chans), cfg(cfg)
+			m_ctr[i].chan = i;
-  {
+		}
-	  /* Generate vector of rx/tx_path: */
+	}
-	  for (unsigned int i = 0; i < cfg->num_chans; i++) {
-		  rx_paths.push_back(charp2str(cfg->chans[i].rx_path));
-		  tx_paths.push_back(charp2str(cfg->chans[i].tx_path));
-	  }
-
-	  if (iface == MULTI_ARFCN) {
-		  LOGC(DDEV, INFO) << "Multi-ARFCN: " << chans << " logical chans -> 1 physical chans";
-		  chans = 1;
-	  }
-
-	  for (size_t i = 0; i < chans; i++) {
-		  memset(&m_ctr[i], 0, sizeof(m_ctr[i]));
-		  m_ctr[i].chan = i;
-	  }
-  }
 
   bool set_antennas() {
 	unsigned int i;

Transceiver52M/device/ipc/IPCDevice.cpp

@@ -56,10 +56,11 @@ using namespace std;
 
 static int ipc_chan_sock_cb(struct osmo_fd *bfd, unsigned int flags);
 
-IPCDevice::IPCDevice(InterfaceType iface, const struct trx_cfg *cfg)
+IPCDevice::IPCDevice(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset,
-	: RadioDevice(iface, cfg), sk_chan_state(chans, ipc_per_trx_sock_state()), tx_attenuation(),
+		     const std::vector<std::string> &tx_paths, const std::vector<std::string> &rx_paths)
-	  tmp_state(IPC_IF_MSG_GREETING_REQ), shm(NULL), shm_dec(0), rx_buffers(chans), started(false), tx_gains(chans),
+	: RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths), sk_chan_state(chans, ipc_per_trx_sock_state()),
-	  rx_gains(chans)
+	  tx_attenuation(), tmp_state(IPC_IF_MSG_GREETING_REQ), shm(NULL), shm_dec(0),
+	  rx_buffers(chans), started(false), tx_gains(chans), rx_gains(chans)
 {
 	LOGC(DDEV, INFO) << "creating IPC device...";
 
@@ -536,9 +537,9 @@ void IPCDevice::ipc_sock_close(struct ipc_per_trx_sock_state *state)
 
 	LOGP(DDEV, LOGL_NOTICE, "IPC socket has LOST connection\n");
 
-	osmo_fd_unregister(bfd);
 	close(bfd->fd);
 	bfd->fd = -1;
+	osmo_fd_unregister(bfd);
 
 	/* flush the queue */
 	while (!llist_empty(&state->upqueue)) {
@@ -770,12 +771,11 @@ static int ipc_chan_sock_cb(struct osmo_fd *bfd, unsigned int flags)
 	return rc;
 }
 
-int IPCDevice::open()
+int IPCDevice::open(const std::string &args, int ref, bool swap_channels)
 {
 	std::string k, v;
 	std::string::size_type keyend;
 	int rc;
-	std::string args(cfg->dev_args);
 
 	if ((keyend = args.find('=')) != std::string::npos) {
 		k = args.substr(0, keyend++);
@@ -810,7 +810,7 @@ int IPCDevice::open()
 	while (tmp_state != IPC_IF_MSG_INFO_CNF)
 		osmo_select_main(0);
 
-	ipc_tx_open_req(&master_sk_state, chans, cfg->clock_ref);
+	ipc_tx_open_req(&master_sk_state, chans, ref);
 	/* Wait until confirmation is recieved */
 	while (tmp_state != IPC_IF_MSG_OPEN_CNF)
 		osmo_select_main(0);
@@ -1259,15 +1259,16 @@ bool IPCDevice::setRxFreq(double wFreq, size_t chan)
 	return send_chan_wait_rsp(chan, msg, IPC_IF_MSG_SETFREQ_CNF);
 }
 
-RadioDevice *RadioDevice::make(InterfaceType type, const struct trx_cfg *cfg)
+RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chans, double lo_offset,
+			       const std::vector<std::string> &tx_paths, const std::vector<std::string> &rx_paths)
 {
-	if (cfg->tx_sps != cfg->rx_sps) {
+	if (tx_sps != rx_sps) {
 		LOGC(DDEV, ERROR) << "IPC Requires tx_sps == rx_sps";
 		return NULL;
 	}
-	if (cfg->offset != 0.0) {
+	if (lo_offset != 0.0) {
 		LOGC(DDEV, ERROR) << "IPC doesn't support lo_offset";
 		return NULL;
 	}
-	return new IPCDevice(type, cfg);
+	return new IPCDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
 }

Transceiver52M/device/ipc/IPCDevice.h

@@ -115,11 +115,12 @@ class IPCDevice : public RadioDevice {
 	int ipc_chan_sock_write(osmo_fd *bfd);
 
 	/** Object constructor */
-	IPCDevice(InterfaceType iface, const struct trx_cfg *cfg);
+	IPCDevice(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset,
+		  const std::vector<std::string> &tx_paths, const std::vector<std::string> &rx_paths);
 	virtual ~IPCDevice() override;
 
 	/** Instantiate the IPC */
-	virtual int open() override;
+	virtual int open(const std::string &args, int ref, bool swap_channels) override;
 
 	/** Start the IPC */
 	virtual bool start() override;
@@ -198,7 +199,7 @@ class IPCDevice : public RadioDevice {
 	virtual double minRxGain(void) override;
 
 	/* FIXME: return rx_gains[chan] ? receive factor from IPC Driver? */
-	double rssiOffset(size_t chan) override { return 0.0f; };
+	double rssiOffset(size_t chan) { return 0.0f; };
 
 	double setPowerAttenuation(int atten, size_t chan) override;
 	double getPowerAttenuation(size_t chan = 0) override;

Transceiver52M/device/ipc/Makefile.am

@@ -1,8 +1,9 @@
 include $(top_srcdir)/Makefile.common
 
-AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/../common
+AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/../common
-AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(UHD_CFLAGS)
+AM_CFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS)
-AM_CXXFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(UHD_CFLAGS)
+AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS)
+AM_LDFLAGS = -lpthread -lrt
 
 noinst_HEADERS = IPCDevice.h shm.h ipc_shm.h ipc_chan.h ipc_sock.h
 
@@ -13,22 +14,30 @@ endif
 noinst_LTLIBRARIES = libdevice.la
 
 libdevice_la_SOURCES = IPCDevice.cpp shm.c ipc_shm.c ipc_chan.c ipc_sock.c
-libdevice_la_CPPFLAGS = $(AM_CPPFLAGS) -DIPCMAGIC
+libdevice_la_LIBADD = $(top_builddir)/Transceiver52M/device/common/libdevice_common.la
-libdevice_la_LIBADD = \
+libdevice_la_CXXFLAGS = $(AM_CXXFLAGS) -DIPCMAGIC
-	$(top_builddir)/Transceiver52M/device/common/libdevice_common.la \
+
-	-lpthread \
+#work around distclean issue on older autotools vers:
-	-lrt \
+#a direct build of ../uhd/UHDDevice.cpp tries to clean
-	$(NULL)
+#../uhd/.dep/UHDDevice.Plo twice and fails
+uhddev_ipc.cpp:
+	echo "#include \"../uhd/UHDDevice.cpp\"" >$@
+CLEANFILES= uhddev_ipc.cpp
+BUILT_SOURCES = uhddev_ipc.cpp
 
 if DEVICE_UHD
 
 bin_PROGRAMS = ipc-driver-test
 #ipc_driver_test_SHORTNAME = drvt
-ipc_driver_test_SOURCES = ipc-driver-test.c uhdwrap.cpp ../uhd/UHDDevice.cpp
+ipc_driver_test_SOURCES = ipc-driver-test.c uhdwrap.cpp ipc_shm.c ipc_chan.c ipc_sock.c uhddev_ipc.cpp
 ipc_driver_test_LDADD = \
-	libdevice.la \
+        shm.lo \
-	$(COMMON_LA) \
+	$(top_builddir)/Transceiver52M/device/common/libdevice_common.la \
+	$(COMMON_LA)
 	$(LIBOSMOCORE_LIBS) \
-	$(UHD_LIBS) \
 	$(NULL)
+ipc_driver_test_CXXFLAGS = $(AM_CXXFLAGS) $(UHD_CFLAGS)
+ipc_driver_test_CPPFLAGS  = $(AM_CPPFLAGS) $(UHD_CFLAGS)
+ipc_driver_test_CFLAGS  = $(AM_CFLAGS) $(UHD_CFLAGS)
+ipc_driver_test_LDFLAGS  = $(AM_LDFLAGS) $(UHD_LIBS)
 endif

Transceiver52M/device/ipc/ipc_sock.c

@@ -97,9 +97,9 @@ void ipc_sock_close(struct ipc_sock_state *state)
 
 	ipc_exit_requested = 1;
 
-	osmo_fd_unregister(bfd);
 	close(bfd->fd);
 	bfd->fd = -1;
+	osmo_fd_unregister(bfd);
 
 	/* re-enable the generation of ACCEPT for new connections */
 	osmo_fd_read_enable(&state->listen_bfd);

Transceiver52M/device/ipc/uhdwrap.cpp

@@ -35,12 +35,9 @@ extern "C" {
 #include "Threads.h"
 #include "Utils.h"
 
-// no vty source for cfg params here, so we have to build our own
+int uhd_wrap::open(const std::string &args, int ref, bool swap_channels)
-static struct trx_cfg actual_cfg = {};
-
-int uhd_wrap::open()
 {
-	int rv = uhd_device::open();
+	int rv = uhd_device::open(args, ref, swap_channels);
 	samps_per_buff_rx = rx_stream->get_max_num_samps();
 	samps_per_buff_tx = tx_stream->get_max_num_samps();
 	channel_count = usrp_dev->get_rx_num_channels();
@@ -87,33 +84,36 @@ int uhd_wrap::wrap_read(TIMESTAMP *timestamp)
 
 extern "C" void *uhdwrap_open(struct ipc_sk_if_open_req *open_req)
 {
-	actual_cfg.num_chans = open_req->num_chans;
+	unsigned int rx_sps, tx_sps;
-	actual_cfg.swap_channels = false;
-	/* FIXME: this is actually the sps value, not the sample rate!
-	 * sample rate is looked up according to the sps rate by uhd backend */
-	actual_cfg.rx_sps = open_req->rx_sample_freq_num / open_req->rx_sample_freq_den;
-	actual_cfg.tx_sps = open_req->tx_sample_freq_num / open_req->tx_sample_freq_den;
 
 	/* FIXME: dev arg string* */
 	/* FIXME: rx frontend bw? */
 	/* FIXME: tx frontend bw? */
+	ReferenceType cref;
 	switch (open_req->clockref) {
 	case FEATURE_MASK_CLOCKREF_EXTERNAL:
-		actual_cfg.clock_ref = ReferenceType::REF_EXTERNAL;
+		cref = ReferenceType::REF_EXTERNAL;
 		break;
 	case FEATURE_MASK_CLOCKREF_INTERNAL:
 	default:
-		actual_cfg.clock_ref = ReferenceType::REF_INTERNAL;
+		cref = ReferenceType::REF_INTERNAL;
 		break;
 	}
 
+	std::vector<std::string> tx_paths;
+	std::vector<std::string> rx_paths;
 	for (unsigned int i = 0; i < open_req->num_chans; i++) {
-		actual_cfg.chans[i].rx_path = open_req->chan_info[i].tx_path;
+		tx_paths.push_back(open_req->chan_info[i].tx_path);
-		actual_cfg.chans[i].tx_path = open_req->chan_info[i].rx_path;
+		rx_paths.push_back(open_req->chan_info[i].rx_path);
 	}
 
-	uhd_wrap *uhd_wrap_dev = new uhd_wrap(RadioDevice::NORMAL, &actual_cfg);
+	/* FIXME: this is actually the sps value, not the sample rate!
-	uhd_wrap_dev->open();
+	 * sample rate is looked up according to the sps rate by uhd backend */
+	rx_sps = open_req->rx_sample_freq_num / open_req->rx_sample_freq_den;
+	tx_sps = open_req->tx_sample_freq_num / open_req->tx_sample_freq_den;
+	uhd_wrap *uhd_wrap_dev =
+		new uhd_wrap(tx_sps, rx_sps, RadioDevice::NORMAL, open_req->num_chans, 0.0, tx_paths, rx_paths);
+	uhd_wrap_dev->open("", cref, false);
 
 	return uhd_wrap_dev;
 }

Transceiver52M/device/ipc/uhdwrap.h

@@ -41,7 +41,7 @@ class uhd_wrap : public uhd_device {
 
 	//    void ipc_sock_close() override {};
 	int wrap_read(TIMESTAMP *timestamp);
-	virtual int open() override;
+	virtual int open(const std::string &args, int ref, bool swap_channels) override;
 
 	//	bool start() override;
 	//	bool stop() override;

Transceiver52M/device/ipc2/IPCDevice.cpp

@@ -0,0 +1,314 @@
+/*
+* Copyright 2020 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+* Author: Pau Espin Pedrol <pespin@sysmocom.de>
+*
+* SPDX-License-Identifier: AGPL-3.0+
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+* See the COPYING file in the main directory for details.
+*/
+
+#include <sys/time.h>
+#include <osmocom/core/timer_compat.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "Logger.h"
+#include "Threads.h"
+#include "IPCDevice.h"
+#include "smpl_buf.h"
+
+#define SAMPLE_BUF_SZ (1 << 20)
+static const auto ONE_BIT_DURATION ((12./5200.)/(156.25*4.));
+static const auto ONE_SAMPLE_DURATION_US ((ONE_BIT_DURATION/4.)*1000*1000);
+using namespace std;
+
+IPCDevice2::IPCDevice2(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset,
+		       const std::vector<std::string> &tx_paths, const std::vector<std::string> &rx_paths)
+	: RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths), rx_buffers(chans),
+	  started(false), tx_gains(chans), rx_gains(chans)
+{
+	LOGC(DDEV, INFO) << "creating IPC device...";
+
+	if (!(tx_sps == 4) || !(rx_sps == 4)) {
+		LOGC(DDEV, FATAL) << "IPC shm if create failed!";
+		exit(0);
+	}
+
+	/* Set up per-channel Rx timestamp based Ring buffers */
+	for (size_t i = 0; i < rx_buffers.size(); i++)
+		rx_buffers[i] = new smpl_buf(SAMPLE_BUF_SZ / sizeof(uint32_t));
+
+	if (!m.create()) {
+		LOGC(DDEV, FATAL) << "IPC shm if create failed!";
+		exit(0);
+	}
+}
+
+IPCDevice2::~IPCDevice2()
+{
+	LOGC(DDEV, INFO) << "Closing IPC device";
+	/* disable all channels */
+
+	for (size_t i = 0; i < rx_buffers.size(); i++)
+		delete rx_buffers[i];
+}
+
+int IPCDevice2::open(const std::string &args, int ref, bool swap_channels)
+{
+	std::string k, v;
+
+	/* configure antennas */
+	if (!set_antennas()) {
+		LOGC(DDEV, FATAL) << "IPC antenna setting failed";
+		goto out_close;
+	}
+
+	return iface == MULTI_ARFCN ? MULTI_ARFCN : NORMAL;
+
+out_close:
+	LOGC(DDEV, FATAL) << "Error in IPC open, closing";
+	return -1;
+}
+
+bool IPCDevice2::start()
+{
+	LOGC(DDEV, INFO) << "starting IPC...";
+
+	if (started) {
+		LOGC(DDEV, ERR) << "Device already started";
+		return true;
+	}
+
+	int max_bufs_to_flush = 120;
+	flush_recv(max_bufs_to_flush);
+
+	started = true;
+	return true;
+}
+
+bool IPCDevice2::stop()
+{
+	if (!started)
+		return true;
+
+	LOGC(DDEV, NOTICE) << "All channels stopped, terminating...";
+
+	/* reset internal buffer timestamps */
+	for (size_t i = 0; i < rx_buffers.size(); i++)
+		rx_buffers[i]->reset();
+
+	started = false;
+	return true;
+}
+
+double IPCDevice2::maxRxGain()
+{
+	return 70;
+}
+
+double IPCDevice2::minRxGain()
+{
+	return 0;
+}
+
+int IPCDevice2::getNominalTxPower(size_t chan)
+{
+	return 10;
+}
+
+double IPCDevice2::setPowerAttenuation(int atten, size_t chan)
+{
+	return atten;
+}
+
+double IPCDevice2::getPowerAttenuation(size_t chan)
+{
+	return 0;
+}
+
+double IPCDevice2::setRxGain(double dB, size_t chan)
+{
+	if (dB > maxRxGain())
+		dB = maxRxGain();
+	if (dB < minRxGain())
+		dB = minRxGain();
+
+	LOGCHAN(chan, DDEV, NOTICE) << "Setting RX gain to " << dB << " dB";
+
+	return dB;
+}
+
+bool IPCDevice2::flush_recv(size_t num_pkts)
+{
+	ts_initial = 10000;
+
+	LOGC(DDEV, INFO) << "Initial timestamp " << ts_initial << std::endl;
+	return true;
+}
+
+bool IPCDevice2::setRxAntenna(const std::string &ant, size_t chan)
+{
+	return true;
+}
+
+std::string IPCDevice2::getRxAntenna(size_t chan)
+{
+	return "";
+}
+
+bool IPCDevice2::setTxAntenna(const std::string &ant, size_t chan)
+{
+	return true;
+}
+
+std::string IPCDevice2::getTxAntenna(size_t chan)
+{
+	return "";
+}
+
+bool IPCDevice2::requiresRadioAlign()
+{
+	return false;
+}
+
+GSM::Time IPCDevice2::minLatency()
+{
+	/* UNUSED */
+	return GSM::Time(0, 0);
+}
+
+/** Returns the starting write Timestamp*/
+TIMESTAMP IPCDevice2::initialWriteTimestamp(void)
+{
+	return ts_initial;
+}
+
+/** Returns the starting read Timestamp*/
+TIMESTAMP IPCDevice2::initialReadTimestamp(void)
+{
+	return ts_initial;
+}
+
+static timespec readtime, writetime;
+static void wait_for_sample_time(timespec* last, unsigned int len) {
+	timespec ts, diff;
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+	timespecsub(&ts, last, &diff);
+	auto elapsed_us = (diff.tv_sec * 1000000) + (diff.tv_nsec / 1000);
+	auto max_wait_us = ONE_SAMPLE_DURATION_US * len;
+	if(elapsed_us < max_wait_us)
+		usleep(max_wait_us-elapsed_us);
+	*last = ts;
+}
+
+// NOTE: Assumes sequential reads
+int IPCDevice2::readSamples(std::vector<short *> &bufs, int len, bool *overrun, TIMESTAMP timestamp, bool *underrun)
+{
+	int rc, num_smpls; //, expect_smpls;
+	ssize_t avail_smpls;
+	unsigned int i = 0;
+
+	*overrun = false;
+	*underrun = false;
+
+	timestamp += 0;
+
+	/* Check that timestamp is valid */
+	rc = rx_buffers[0]->avail_smpls(timestamp);
+	if (rc < 0) {
+		LOGC(DDEV, ERROR) << rx_buffers[0]->str_code(rc);
+		LOGC(DDEV, ERROR) << rx_buffers[0]->str_status(timestamp);
+		return 0;
+	}
+
+	/* Receive samples from HW until we have enough */
+	while ((avail_smpls = rx_buffers[i]->avail_smpls(timestamp)) < len) {
+		uint64_t recv_timestamp = timestamp;
+
+		m.read_ul(len - avail_smpls, &recv_timestamp, reinterpret_cast<sample_t *>(bufs[0]));
+		num_smpls = len - avail_smpls;
+		wait_for_sample_time(&readtime, num_smpls);
+
+		if (num_smpls == -ETIMEDOUT)
+			continue;
+
+		LOGCHAN(i, DDEV, DEBUG)
+		"Received timestamp = " << (TIMESTAMP)recv_timestamp << " (" << num_smpls << ")";
+
+		rc = rx_buffers[i]->write(bufs[i], num_smpls, (TIMESTAMP)recv_timestamp);
+		if (rc < 0) {
+			LOGCHAN(i, DDEV, ERROR)
+				<< rx_buffers[i]->str_code(rc) << " num smpls: " << num_smpls << " chan: " << i;
+			LOGCHAN(i, DDEV, ERROR) << rx_buffers[i]->str_status(timestamp);
+			if (rc != smpl_buf::ERROR_OVERFLOW)
+				return 0;
+		}
+	}
+
+	/* We have enough samples */
+
+	rc = rx_buffers[i]->read(bufs[i], len, timestamp);
+	if ((rc < 0) || (rc != len)) {
+		LOGCHAN(i, DDEV, ERROR) << rx_buffers[i]->str_code(rc) << ". " << rx_buffers[i]->str_status(timestamp)
+					<< ", (len=" << len << ")";
+		return 0;
+	}
+
+	return len;
+}
+
+int IPCDevice2::writeSamples(std::vector<short *> &bufs, int len, bool *underrun, unsigned long long timestamp)
+{
+	*underrun = false;
+
+	LOGCHAN(0, DDEV, DEBUG) << "send buffer of len " << len << " timestamp " << std::hex << timestamp;
+
+	// rc = ipc_shm_enqueue(shm_io_tx_streams[i], timestamp, len, (uint16_t *)bufs[i]);
+	m.write_dl(len, timestamp, reinterpret_cast<sample_t *>(bufs[0]));
+	wait_for_sample_time(&writetime, len);
+
+	return 0;
+}
+
+bool IPCDevice2::updateAlignment(TIMESTAMP timestamp)
+{
+	return true;
+}
+
+bool IPCDevice2::setTxFreq(double wFreq, size_t chan)
+{
+	return true;
+}
+
+bool IPCDevice2::setRxFreq(double wFreq, size_t chan)
+{
+	return true;
+}
+
+RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chans, double lo_offset,
+			       const std::vector<std::string> &tx_paths, const std::vector<std::string> &rx_paths)
+{
+	if (tx_sps != rx_sps) {
+		LOGC(DDEV, ERROR) << "IPC Requires tx_sps == rx_sps";
+		return NULL;
+	}
+	if (lo_offset != 0.0) {
+		LOGC(DDEV, ERROR) << "IPC doesn't support lo_offset";
+		return NULL;
+	}
+	return new IPCDevice2(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
+}

Transceiver52M/device/ipc2/IPCDevice.h

@@ -0,0 +1,186 @@
+/*
+* Copyright 2020 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+* Author: Pau Espin Pedrol <pespin@sysmocom.de>
+*
+* SPDX-License-Identifier: AGPL-3.0+
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+* See the COPYING file in the main directory for details.
+*/
+
+#ifndef _IPC_DEVICE_H_
+#define _IPC_DEVICE_H_
+
+
+#include <climits>
+#include <string>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "radioDevice.h"
+#include "ipcif.h"
+
+class smpl_buf;
+
+class IPCDevice2 : public RadioDevice {
+	trxmsif m;
+    protected:
+	std::vector<smpl_buf *> rx_buffers;
+	double actualSampleRate;
+
+	bool started;
+
+	TIMESTAMP ts_initial;
+
+	std::vector<double> tx_gains, rx_gains;
+
+	bool flush_recv(size_t num_pkts);
+	void update_stream_stats_rx(size_t chan, bool *overrun);
+	void update_stream_stats_tx(size_t chan, bool *underrun);
+
+	bool send_chan_wait_rsp(uint32_t chan, struct msgb *msg_to_send, uint32_t expected_rsp_msg_id);
+	bool send_all_chan_wait_rsp(uint32_t msgid_to_send, uint32_t msgid_to_expect);
+
+    public:
+	/** Object constructor */
+	IPCDevice2(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset,
+		   const std::vector<std::string> &tx_paths, const std::vector<std::string> &rx_paths);
+	virtual ~IPCDevice2() override;
+
+	/** Instantiate the IPC */
+	virtual int open(const std::string &args, int ref, bool swap_channels) override;
+
+	/** Start the IPC */
+	virtual bool start() override;
+
+	/** Stop the IPC */
+	virtual bool stop() override;
+
+	/* FIXME: any != USRP1 will do for now... */
+	enum TxWindowType getWindowType() override
+	{
+		return TX_WINDOW_FIXED;
+	}
+
+	/**
+	Read samples from the IPC.
+	@param buf preallocated buf to contain read result
+	@param len number of samples desired
+	@param overrun Set if read buffer has been overrun, e.g. data not being read fast enough
+	@param timestamp The timestamp of the first samples to be read
+	@param underrun Set if IPC does not have data to transmit, e.g. data not being sent fast enough
+	@return The number of samples actually read
+	*/
+	virtual int readSamples(std::vector<short *> &buf, int len, bool *overrun, TIMESTAMP timestamp = 0xffffffff,
+				bool *underrun = NULL) override;
+	/**
+	Write samples to the IPC.
+	@param buf Contains the data to be written.
+	@param len number of samples to write.
+	@param underrun Set if IPC does not have data to transmit, e.g. data not being sent fast enough
+	@param timestamp The timestamp of the first sample of the data buffer.
+	@return The number of samples actually written
+	*/
+	virtual int writeSamples(std::vector<short *> &bufs, int len, bool *underrun,
+				 TIMESTAMP timestamp = 0xffffffff) override;
+
+	/** Update the alignment between the read and write timestamps */
+	virtual bool updateAlignment(TIMESTAMP timestamp) override;
+
+	/** Set the transmitter frequency */
+	virtual bool setTxFreq(double wFreq, size_t chan = 0) override;
+
+	/** Set the receiver frequency */
+	virtual bool setRxFreq(double wFreq, size_t chan = 0) override;
+
+	/** Returns the starting write Timestamp*/
+	virtual TIMESTAMP initialWriteTimestamp(void) override;
+
+	/** Returns the starting read Timestamp*/
+	virtual TIMESTAMP initialReadTimestamp(void) override;
+
+	/** returns the full-scale transmit amplitude **/
+	virtual double fullScaleInputValue() override
+	{
+		return (double)SHRT_MAX * 1;
+	}
+
+	/** returns the full-scale receive amplitude **/
+	virtual double fullScaleOutputValue() override
+	{
+		return (double)SHRT_MAX * 1;
+	}
+
+	/** sets the receive chan gain, returns the gain setting **/
+	virtual double setRxGain(double dB, size_t chan = 0) override;
+
+	/** get the current receive gain */
+	virtual double getRxGain(size_t chan = 0) override
+	{
+		return rx_gains[chan];
+	}
+
+	/** return maximum Rx Gain **/
+	virtual double maxRxGain(void) override;
+
+	/** return minimum Rx Gain **/
+	virtual double minRxGain(void) override;
+
+	/* FIXME: return rx_gains[chan] ? receive factor from IPC Driver? */
+	double rssiOffset(size_t chan) override
+	{
+		return 0.0f;
+	};
+
+	double setPowerAttenuation(int atten, size_t chan) override;
+	double getPowerAttenuation(size_t chan = 0) override;
+
+	virtual int getNominalTxPower(size_t chan = 0) override;
+
+	/** sets the RX path to use, returns true if successful and false otherwise */
+	virtual bool setRxAntenna(const std::string &ant, size_t chan = 0) override;
+
+	/* return the used RX path */
+	virtual std::string getRxAntenna(size_t chan = 0) override;
+
+	/** sets the RX path to use, returns true if successful and false otherwise */
+	virtual bool setTxAntenna(const std::string &ant, size_t chan = 0) override;
+
+	/* return the used RX path */
+	virtual std::string getTxAntenna(size_t chan = 0) override;
+
+	/** return whether user drives synchronization of Tx/Rx of USRP */
+	virtual bool requiresRadioAlign() override;
+
+	/** return whether user drives synchronization of Tx/Rx of USRP */
+	virtual GSM::Time minLatency() override;
+
+	/** Return internal status values */
+	virtual inline double getTxFreq(size_t chan = 0) override
+	{
+		return 0;
+	}
+	virtual inline double getRxFreq(size_t chan = 0) override
+	{
+		return 0;
+	}
+	virtual inline double getSampleRate() override
+	{
+		return actualSampleRate;
+	}
+};
+
+#endif // _IPC_DEVICE_H_

Transceiver52M/device/ipc2/Makefile.am

@@ -0,0 +1,14 @@
+include $(top_srcdir)/Makefile.common
+
+AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/../common
+AM_CFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS)
+AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS)
+AM_LDFLAGS = -lpthread -lrt
+
+noinst_HEADERS = IPCDevice.h
+
+noinst_LTLIBRARIES = libdevice.la
+
+libdevice_la_SOURCES = IPCDevice.cpp
+libdevice_la_LIBADD = $(top_builddir)/Transceiver52M/device/common/libdevice_common.la
+libdevice_la_CXXFLAGS = $(AM_CXXFLAGS) -DIPCMAGIC

Transceiver52M/device/ipc2/ipcif.h

@@ -0,0 +1,161 @@
+/*
+ * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Eric Wild <ewild@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+ 
+#pragma once
+
+#include <atomic>
+#include <complex>
+#include <cassert>
+#include "shmif.h"
+
+const int max_ul_rdlen = 1024 * 10;
+const int max_dl_rdlen = 1024 * 10;
+using sample_t = std::complex<int16_t>;
+struct shm_if {
+	std::atomic<bool> ms_connected;
+	struct {
+		shm::shmmutex m;
+		shm::shmcond c;
+		std::atomic<uint64_t> ts;
+		std::atomic<size_t> len_req; // <-
+		std::atomic<size_t> len_written; // ->
+		sample_t buffer[max_ul_rdlen];
+	} ul;
+	struct {
+		shm::shmmutex writemutex;
+		shm::shmcond rdy2write;
+		shm::shmmutex readmutex;
+		shm::shmcond rdy2read;
+		std::atomic<uint64_t> ts;
+		std::atomic<size_t> len_req;
+		std::atomic<size_t> len_written;
+		sample_t buffer[max_dl_rdlen];
+	} dl;
+};
+
+// unique up to signed_type/2 diff
+template <typename A> auto unsigned_diff(A a, A b) -> typename std::make_signed<A>::type
+{
+	using stype = typename std::make_signed<A>::type;
+	return (a > b) ? static_cast<stype>(a - b) : -static_cast<stype>(b - a);
+};
+
+class trxmsif {
+	shm::shm<shm_if> m;
+	shm_if *ptr;
+	int dl_readoffset;
+
+	int samp2byte(int v)
+	{
+		return v * sizeof(sample_t);
+	}
+
+    public:
+	trxmsif() : m("trx-ms-if"), dl_readoffset(0)
+	{
+	}
+
+	bool create()
+	{
+		m.create();
+		ptr = m.p();
+		return m.isgood();
+	}
+	bool connect()
+	{
+		m.open();
+		ptr = m.p();
+		ptr->ms_connected = true;
+		return m.isgood();
+	}
+	bool good()
+	{
+		return m.isgood();
+	}
+
+	void write_dl(size_t howmany, uint64_t write_ts, sample_t *inbuf)
+	{
+		auto &dl = ptr->dl;
+		auto buf = &dl.buffer[0];
+		// if (ptr->ms_connected != true)
+		// 	return;
+
+		assert(sizeof(dl.buffer) >= samp2byte(howmany));
+
+		{
+			shm::signal_guard g(dl.writemutex, dl.rdy2write, dl.rdy2read);
+
+			memcpy(buf, inbuf, samp2byte(howmany));
+			dl.ts = write_ts;
+			dl.len_written = howmany;
+		}
+	}
+
+	void read_dl(size_t howmany, uint64_t* read_ts, sample_t *outbuf)
+	{
+		auto &dl = ptr->dl;
+		auto buf = &dl.buffer[0];
+		size_t len_avail = dl.len_written;
+		uint64_t ts = dl.ts;
+
+		auto left_to_read = len_avail - dl_readoffset;
+
+		// no data, wait for new buffer, maybe some data left afterwards
+		if (!left_to_read) {
+			shm::signal_guard g(dl.readmutex, dl.rdy2read, dl.rdy2write);
+			*read_ts = dl.ts;
+			len_avail = dl.len_written;
+			dl_readoffset += howmany;
+			assert(len_avail >= howmany);
+			memcpy(outbuf, buf, samp2byte(howmany));
+			return;
+		}
+
+		*read_ts = dl.ts + dl_readoffset;
+		left_to_read = len_avail - dl_readoffset;
+
+		// data left from prev read
+		if (left_to_read >= howmany) {
+			memcpy(outbuf, buf, samp2byte(howmany));
+			dl_readoffset += howmany;
+			return;
+		} else {
+			memcpy(outbuf, buf, samp2byte(left_to_read));
+			dl_readoffset = 0;
+			auto still_left_to_read = howmany - left_to_read;
+			{
+				shm::signal_guard g(dl.readmutex, dl.rdy2read, dl.rdy2write);
+				len_avail = dl.len_written;
+				dl_readoffset += still_left_to_read;
+				assert(len_avail >= still_left_to_read);
+				memcpy(outbuf + left_to_read, buf, samp2byte(still_left_to_read));
+			}
+		}
+	}
+
+	void read_ul(size_t howmany, uint64_t* read_ts, sample_t *outbuf)
+	{
+		// if (ptr->ms_connected != true) {
+		memset(outbuf, 0, samp2byte(howmany));
+		return;
+		// }
+	}
+};

Transceiver52M/device/ipc2/shmif.h

@@ -0,0 +1,219 @@
+/*
+ * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Eric Wild <ewild@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+ 
+#pragma once
+
+#include <cstring>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <cerrno>
+
+namespace shm
+{
+
+class shmmutex {
+	pthread_mutex_t mutex;
+
+    public:
+	shmmutex()
+	{
+		pthread_mutexattr_t attr;
+		pthread_mutexattr_init(&attr);
+		pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
+		pthread_mutexattr_setrobust(&attr, PTHREAD_MUTEX_ROBUST);
+		pthread_mutex_init(&mutex, &attr);
+		pthread_mutexattr_destroy(&attr);
+	}
+
+	~shmmutex()
+	{
+		pthread_mutex_destroy(&mutex);
+	}
+
+	void lock()
+	{
+		pthread_mutex_lock(&mutex);
+	}
+
+	bool try_lock()
+	{
+		return pthread_mutex_trylock(&mutex);
+	}
+
+	void unlock()
+	{
+		pthread_mutex_unlock(&mutex);
+	}
+
+	pthread_mutex_t *p()
+	{
+		return &mutex;
+	}
+};
+
+class shmcond {
+	pthread_cond_t cond;
+
+    public:
+	shmcond()
+	{
+		pthread_condattr_t attr;
+		pthread_condattr_init(&attr);
+		pthread_condattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
+		pthread_cond_init(&cond, &attr);
+		pthread_condattr_destroy(&attr);
+	}
+
+	~shmcond()
+	{
+		pthread_cond_destroy(&cond);
+	}
+
+	void wait(shmmutex *lock)
+	{
+		pthread_cond_wait(&cond, lock->p());
+	}
+
+	void signal()
+	{
+		pthread_cond_signal(&cond);
+	}
+
+	void signal_all()
+	{
+		pthread_cond_broadcast(&cond);
+	}
+};
+
+template <typename IFT> class shm {
+	char shmname[512];
+	size_t IFT_sz = sizeof(IFT);
+	IFT *shmptr;
+	bool good;
+	int ipc_shm_setup(const char *shm_name)
+	{
+		int fd;
+		int rc;
+		void *ptr;
+
+		if ((fd = shm_open(shm_name, O_CREAT | O_RDWR | O_TRUNC, S_IRUSR | S_IWUSR)) < 0) {
+			rc = -errno;
+			return rc;
+		}
+
+		if (ftruncate(fd, IFT_sz) < 0) {
+			rc = -errno;
+			shm_unlink(shm_name);
+			::close(fd);
+		}
+
+		if ((ptr = mmap(NULL, IFT_sz, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) {
+			rc = -errno;
+			shm_unlink(shm_name);
+			::close(fd);
+		}
+
+		shmptr = new (ptr) IFT(); //static_cast<IFT *>(ptr);
+		::close(fd);
+		return 0;
+	}
+
+	int ipc_shm_connect(const char *shm_name)
+	{
+		int fd;
+		int rc;
+		void *ptr;
+
+		if ((fd = shm_open(shm_name, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR)) < 0) {
+			rc = -errno;
+			return rc;
+		}
+
+		struct stat shm_stat;
+		if (fstat(fd, &shm_stat) < 0) {
+			rc = -errno;
+			shm_unlink(shm_name);
+			::close(fd);
+		}
+
+		if ((ptr = mmap(NULL, shm_stat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) {
+			rc = -errno;
+			shm_unlink(shm_name);
+			::close(fd);
+		}
+
+		shmptr = static_cast<IFT *>(ptr);
+		::close(fd);
+		return 0;
+	}
+
+    public:
+	using IFT_t = IFT;
+	explicit shm(const char *name) : good(false)
+	{
+		strncpy((char *)shmname, name, 512);
+	}
+	void create()
+	{
+		if (ipc_shm_setup(shmname) == 0)
+			good = true;
+	}
+	void open()
+	{
+		if (ipc_shm_connect(shmname) == 0)
+			good = true;
+	}
+	bool isgood() const
+	{
+		return good;
+	}
+	void close()
+	{
+		if (isgood())
+			shm_unlink(shmname);
+	}
+	IFT *p()
+	{
+		return shmptr;
+	}
+};
+
+class signal_guard {
+	shmmutex &m;
+	shmcond &s;
+
+    public:
+	explicit signal_guard(shmmutex &m, shmcond &wait_for, shmcond &to_signal) : m(m), s(to_signal)
+	{
+		m.lock();
+		wait_for.wait(&m);
+	}
+	~signal_guard()
+	{
+		s.signal();
+		m.unlock();
+	}
+};
+
+} // namespace shm

Transceiver52M/device/ipc2/uhddev_ipc.cpp

@@ -0,0 +1 @@
+#include "../uhd/UHDDevice.cpp"

Transceiver52M/device/ipc2/uhdwrap.cpp

@@ -0,0 +1,255 @@
+/*
+* Copyright 2020 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+* Author: Eric Wild <ewild@sysmocom.de>
+*
+* SPDX-License-Identifier: 0BSD
+*
+* Permission to use, copy, modify, and/or distribute this software for any purpose
+* with or without fee is hereby granted.THE SOFTWARE IS PROVIDED "AS IS" AND THE
+* AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
+* BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+* USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+extern "C" {
+#include <osmocom/core/application.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/select.h>
+#include <osmocom/core/socket.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/select.h>
+#include <osmocom/core/timer.h>
+
+#include "shm.h"
+#include "ipc_shm.h"
+#include "ipc-driver-test.h"
+}
+#include "../uhd/UHDDevice.h"
+#include "uhdwrap.h"
+
+#include "Logger.h"
+#include "Threads.h"
+#include "Utils.h"
+
+int uhd_wrap::open(const std::string &args, int ref, bool swap_channels)
+{
+	int rv = uhd_device::open(args, ref, swap_channels);
+	samps_per_buff_rx = rx_stream->get_max_num_samps();
+	samps_per_buff_tx = tx_stream->get_max_num_samps();
+	channel_count = usrp_dev->get_rx_num_channels();
+
+	wrap_rx_buffs = std::vector<std::vector<short> >(channel_count, std::vector<short>(2 * samps_per_buff_rx));
+	for (size_t i = 0; i < wrap_rx_buffs.size(); i++)
+		wrap_rx_buf_ptrs.push_back(&wrap_rx_buffs[i].front());
+
+	wrap_tx_buffs = std::vector<std::vector<short> >(channel_count, std::vector<short>(2 * 5000));
+	for (size_t i = 0; i < wrap_tx_buffs.size(); i++)
+		wrap_tx_buf_ptrs.push_back(&wrap_tx_buffs[i].front());
+
+	return rv;
+}
+
+uhd_wrap::~uhd_wrap()
+{
+	//	drvtest::gshutdown = 1;
+	//t->join();
+}
+
+size_t uhd_wrap::bufsizerx()
+{
+	return samps_per_buff_rx;
+}
+
+size_t uhd_wrap::bufsizetx()
+{
+	return samps_per_buff_tx;
+}
+
+int uhd_wrap::chancount()
+{
+	return channel_count;
+}
+
+int uhd_wrap::wrap_read(TIMESTAMP *timestamp)
+{
+	uhd::rx_metadata_t md;
+	size_t num_rx_samps = rx_stream->recv(wrap_rx_buf_ptrs, samps_per_buff_rx, md, 0.1, true);
+	*timestamp = md.time_spec.to_ticks(rx_rate);
+	return num_rx_samps; //uhd_device::readSamples(bufs, len, overrun, timestamp, underrun);
+}
+
+extern "C" void *uhdwrap_open(struct ipc_sk_if_open_req *open_req)
+{
+	unsigned int rx_sps, tx_sps;
+
+	/* FIXME: dev arg string* */
+	/* FIXME: rx frontend bw? */
+	/* FIXME: tx frontend bw? */
+	ReferenceType cref;
+	switch (open_req->clockref) {
+	case FEATURE_MASK_CLOCKREF_EXTERNAL:
+		cref = ReferenceType::REF_EXTERNAL;
+		break;
+	case FEATURE_MASK_CLOCKREF_INTERNAL:
+	default:
+		cref = ReferenceType::REF_INTERNAL;
+		break;
+	}
+
+	std::vector<std::string> tx_paths;
+	std::vector<std::string> rx_paths;
+	for (unsigned int i = 0; i < open_req->num_chans; i++) {
+		tx_paths.push_back(open_req->chan_info[i].tx_path);
+		rx_paths.push_back(open_req->chan_info[i].rx_path);
+	}
+
+	/* FIXME: this is actually the sps value, not the sample rate!
+	 * sample rate is looked up according to the sps rate by uhd backend */
+	rx_sps = open_req->rx_sample_freq_num / open_req->rx_sample_freq_den;
+	tx_sps = open_req->tx_sample_freq_num / open_req->tx_sample_freq_den;
+	uhd_wrap *uhd_wrap_dev =
+		new uhd_wrap(tx_sps, rx_sps, RadioDevice::NORMAL, open_req->num_chans, 0.0, tx_paths, rx_paths);
+	uhd_wrap_dev->open("", cref, false);
+
+	return uhd_wrap_dev;
+}
+extern "C" int32_t uhdwrap_get_bufsizerx(void *dev)
+{
+	uhd_wrap *d = (uhd_wrap *)dev;
+	return d->bufsizerx();
+}
+
+extern "C" int32_t uhdwrap_get_timingoffset(void *dev)
+{
+	uhd_wrap *d = (uhd_wrap *)dev;
+	return d->getTimingOffset();
+}
+
+extern "C" int32_t uhdwrap_read(void *dev, uint32_t num_chans)
+{
+	TIMESTAMP t;
+	uhd_wrap *d = (uhd_wrap *)dev;
+
+	if (num_chans != d->wrap_rx_buf_ptrs.size()) {
+		perror("omg chans?!");
+	}
+
+	int32_t read = d->wrap_read(&t);
+
+	/* multi channel rx on b210 will return 0 due to alignment adventures, do not put 0 samples into a ipc buffer... */
+	if (read <= 0)
+		return read;
+
+	for (uint32_t i = 0; i < num_chans; i++) {
+		ipc_shm_enqueue(ios_rx_from_device[i], t, read, (uint16_t *)&d->wrap_rx_buffs[i].front());
+	}
+	return read;
+}
+
+extern "C" int32_t uhdwrap_write(void *dev, uint32_t num_chans, bool *underrun)
+{
+	uhd_wrap *d = (uhd_wrap *)dev;
+
+	uint64_t timestamp;
+	int32_t len = -1;
+	for (uint32_t i = 0; i < num_chans; i++) {
+		len = ipc_shm_read(ios_tx_to_device[i], (uint16_t *)&d->wrap_tx_buffs[i].front(), 5000, &timestamp, 1);
+		if (len < 0)
+			return 0;
+	}
+
+	return d->writeSamples(d->wrap_tx_buf_ptrs, len, underrun, timestamp);
+}
+
+extern "C" double uhdwrap_set_freq(void *dev, double f, size_t chan, bool for_tx)
+{
+	uhd_wrap *d = (uhd_wrap *)dev;
+	if (for_tx)
+		return d->setTxFreq(f, chan);
+	else
+		return d->setRxFreq(f, chan);
+}
+
+extern "C" double uhdwrap_set_gain(void *dev, double f, size_t chan, bool for_tx)
+{
+	uhd_wrap *d = (uhd_wrap *)dev;
+	//	if (for_tx)
+	//		return d->setTxGain(f, chan);
+	//	else
+	return d->setRxGain(f, chan);
+}
+
+extern "C" double uhdwrap_set_txatt(void *dev, double a, size_t chan)
+{
+	uhd_wrap *d = (uhd_wrap *)dev;
+	return d->setPowerAttenuation(a, chan);
+}
+
+extern "C" int32_t uhdwrap_start(void *dev, int chan)
+{
+	uhd_wrap *d = (uhd_wrap *)dev;
+	return d->start();
+}
+
+extern "C" int32_t uhdwrap_stop(void *dev, int chan)
+{
+	uhd_wrap *d = (uhd_wrap *)dev;
+	return d->stop();
+}
+
+extern "C" void uhdwrap_fill_info_cnf(struct ipc_sk_if *ipc_prim)
+{
+	struct ipc_sk_if_info_chan *chan_info;
+
+	uhd::device_addr_t args("");
+	uhd::device_addrs_t devs_found = uhd::device::find(args);
+	if (devs_found.size() < 1) {
+		std::cout << "\n No device found!";
+		exit(0);
+	}
+
+	uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(devs_found[0]);
+	auto rxchans = usrp->get_rx_num_channels();
+	auto txchans = usrp->get_tx_num_channels();
+	auto rx_range = usrp->get_rx_gain_range();
+	auto tx_range = usrp->get_tx_gain_range();
+
+	//auto nboards = usrp->get_num_mboards();
+	auto refs = usrp->get_clock_sources(0);
+	auto devname = usrp->get_mboard_name(0);
+
+	ipc_prim->u.info_cnf.feature_mask = 0;
+	if (std::find(refs.begin(), refs.end(), "internal") != refs.end())
+		ipc_prim->u.info_cnf.feature_mask |= FEATURE_MASK_CLOCKREF_INTERNAL;
+	if (std::find(refs.begin(), refs.end(), "external") != refs.end())
+		ipc_prim->u.info_cnf.feature_mask |= FEATURE_MASK_CLOCKREF_EXTERNAL;
+
+	// at least one duplex channel
+	auto num_chans = rxchans == txchans ? txchans : 1;
+
+	ipc_prim->u.info_cnf.iq_scaling_val_rx = 0.3;
+	ipc_prim->u.info_cnf.iq_scaling_val_tx = 1;
+	ipc_prim->u.info_cnf.max_num_chans = num_chans;
+	OSMO_STRLCPY_ARRAY(ipc_prim->u.info_cnf.dev_desc, devname.c_str());
+	chan_info = ipc_prim->u.info_cnf.chan_info;
+	for (unsigned int i = 0; i < ipc_prim->u.info_cnf.max_num_chans; i++) {
+		auto rxant = usrp->get_rx_antennas(i);
+		auto txant = usrp->get_tx_antennas(i);
+		for (unsigned int j = 0; j < txant.size(); j++) {
+			OSMO_STRLCPY_ARRAY(chan_info->tx_path[j], txant[j].c_str());
+		}
+		for (unsigned int j = 0; j < rxant.size(); j++) {
+			OSMO_STRLCPY_ARRAY(chan_info->rx_path[j], rxant[j].c_str());
+		}
+		chan_info->min_rx_gain = rx_range.start();
+		chan_info->max_rx_gain = rx_range.stop();
+		chan_info->min_tx_gain = tx_range.start();
+		chan_info->max_tx_gain = tx_range.stop();
+		chan_info->nominal_tx_power = 7.5; // FIXME: would require uhd dev + freq info
+		chan_info++;
+	}
+}

Transceiver52M/device/ipc2/uhdwrap.h

@@ -0,0 +1,83 @@
+/*
+* Copyright 2020 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+* Author: Eric Wild <ewild@sysmocom.de>
+*
+* SPDX-License-Identifier: 0BSD
+*
+* Permission to use, copy, modify, and/or distribute this software for any purpose
+* with or without fee is hereby granted.THE SOFTWARE IS PROVIDED "AS IS" AND THE
+* AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
+* BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+* USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+#ifndef IPC_UHDWRAP_H
+#define IPC_UHDWRAP_H
+
+#ifdef __cplusplus
+#include "../uhd/UHDDevice.h"
+
+class uhd_wrap : public uhd_device {
+    public:
+	//	std::thread *t;
+	size_t samps_per_buff_rx;
+	size_t samps_per_buff_tx;
+	int channel_count;
+
+	std::vector<std::vector<short> > wrap_rx_buffs;
+	std::vector<std::vector<short> > wrap_tx_buffs;
+	std::vector<short *> wrap_rx_buf_ptrs;
+	std::vector<short *> wrap_tx_buf_ptrs;
+
+	template <typename... Args> uhd_wrap(Args... args) : uhd_device(args...)
+	{
+		//	t = new std::thread(magicthread);
+		// give the thread some time to start and set up
+		//	std::this_thread::sleep_for(std::chrono::seconds(1));
+	}
+	virtual ~uhd_wrap();
+
+	//    void ipc_sock_close() override {};
+	int wrap_read(TIMESTAMP *timestamp);
+	virtual int open(const std::string &args, int ref, bool swap_channels) override;
+
+	//	bool start() override;
+	//	bool stop() override;
+	//	virtual TIMESTAMP initialWriteTimestamp() override;
+	//	virtual TIMESTAMP initialReadTimestamp() override;
+
+	int getTimingOffset()
+	{
+		return ts_offset;
+	}
+	size_t bufsizerx();
+	size_t bufsizetx();
+	int chancount();
+};
+#else
+void *uhdwrap_open(struct ipc_sk_if_open_req *open_req);
+
+int32_t uhdwrap_get_bufsizerx(void *dev);
+
+int32_t uhdwrap_get_timingoffset(void *dev);
+
+int32_t uhdwrap_read(void *dev, uint32_t num_chans);
+
+int32_t uhdwrap_write(void *dev, uint32_t num_chans, bool *underrun);
+
+double uhdwrap_set_freq(void *dev, double f, size_t chan, bool for_tx);
+
+double uhdwrap_set_gain(void *dev, double f, size_t chan, bool for_tx);
+
+int32_t uhdwrap_start(void *dev, int chan);
+
+int32_t uhdwrap_stop(void *dev, int chan);
+
+void uhdwrap_fill_info_cnf(struct ipc_sk_if *ipc_prim);
+
+double uhdwrap_set_txatt(void *dev, double a, size_t chan);
+#endif
+
+#endif // IPC_B210_H

Transceiver52M/device/lms/LMSDevice.cpp

@@ -52,16 +52,39 @@ extern "C" {
 #define LMS_DEV_SDR_MINI_PREFIX_NAME "LimeSDR-Mini"
 #define LMS_DEV_NET_MICRO_PREFIX_NAME "LimeNET-Micro"
 
+/* Device parameter descriptor */
+struct dev_desc {
+	/* Does LimeSuite allow switching the clock source for this device?
+	 * LimeSDR-Mini does not have switches but needs soldering to select
+	 * external/internal clock. Any call to LMS_SetClockFreq() will fail.
+	 */
+	bool clock_src_switchable;
+	/* Does LimeSuite allow using REF_INTERNAL for this device?
+	 * LimeNET-Micro does not like selecting internal clock
+	 */
+	bool clock_src_int_usable;
+	/* Sample rate coef (without having TX/RX samples per symbol into account) */
+	double rate;
+	/* Sample rate coef (without having TX/RX samples per symbol into account), if multi-arfcn is enabled */
+	double rate_multiarfcn;
+	/* Coefficient multiplied by TX sample rate in order to shift Tx time */
+	double ts_offset_coef;
+	/* Coefficient multiplied by TX sample rate in order to shift Tx time, if multi-arfcn is enabled */
+	double ts_offset_coef_multiarfcn;
+	/* Device Name Prefix as presented by LimeSuite API LMS_GetDeviceInfo() */
+	std::string name_prefix;
+};
 
-
+static const std::map<enum lms_dev_type, struct dev_desc> dev_param_map {
-static const dev_map_t dev_param_map {
 	{ LMS_DEV_SDR_USB,   { true,  true,  GSMRATE, MCBTS_SPACING, 8.9e-5, 7.9e-5, LMS_DEV_SDR_USB_PREFIX_NAME } },
 	{ LMS_DEV_SDR_MINI,  { false, true,  GSMRATE, MCBTS_SPACING, 8.9e-5, 8.2e-5, LMS_DEV_SDR_MINI_PREFIX_NAME } },
 	{ LMS_DEV_NET_MICRO, { true,  false, GSMRATE, MCBTS_SPACING, 8.9e-5, 7.9e-5, LMS_DEV_NET_MICRO_PREFIX_NAME } },
 	{ LMS_DEV_UNKNOWN,   { true,  true,  GSMRATE, MCBTS_SPACING, 8.9e-5, 7.9e-5, "UNKNOWN" } },
 };
 
-static const power_map_t dev_band_nom_power_param_map {
+typedef std::tuple<lms_dev_type, enum gsm_band> dev_band_key;
+typedef std::map<dev_band_key, dev_band_desc>::const_iterator dev_band_map_it;
+static const std::map<dev_band_key, dev_band_desc> dev_band_nom_power_param_map {
 	{ std::make_tuple(LMS_DEV_SDR_USB, GSM_BAND_850),	{ 73.0, 11.2,  -6.0  } },
 	{ std::make_tuple(LMS_DEV_SDR_USB, GSM_BAND_900),	{ 73.0, 10.8,  -6.0  } },
 	{ std::make_tuple(LMS_DEV_SDR_USB, GSM_BAND_1800),	{ 65.0, -3.5,  -17.0 } }, /* FIXME: OS#4583: 1800Mhz is failing above TxGain=65, which is around -3.5dBm (already < 0 dBm) */
@@ -99,8 +122,8 @@ static enum lms_dev_type parse_dev_type(lms_device_t *m_lms_dev)
 		enum lms_dev_type dev_type = it->first;
 		struct dev_desc desc = it->second;
 
-		if (strncmp(device_info->deviceName, desc.desc_str.c_str(), desc.desc_str.length()) == 0) {
+		if (strncmp(device_info->deviceName, desc.name_prefix.c_str(), desc.name_prefix.length()) == 0) {
-			LOGC(DDEV, INFO) << "Device identified as " << desc.desc_str;
+			LOGC(DDEV, INFO) << "Device identified as " << desc.name_prefix;
 			return dev_type;
 		}
 		it++;
@@ -108,10 +131,12 @@ static enum lms_dev_type parse_dev_type(lms_device_t *m_lms_dev)
 	return LMS_DEV_UNKNOWN;
 }
 
-LMSDevice::LMSDevice(InterfaceType iface, const struct trx_cfg *cfg)
+LMSDevice::LMSDevice(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset,
-	: RadioDevice(iface, cfg),
+		     const std::vector<std::string>& tx_paths,
-	  band_manager(m_dev_type, dev_band_nom_power_param_map, dev_param_map, {LMS_DEV_SDR_USB, GSM_BAND_850}), m_lms_dev(NULL),
+		     const std::vector<std::string>& rx_paths):
-	  started(false), m_dev_type(LMS_DEV_UNKNOWN)
+		     RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths),
+		     m_lms_dev(NULL), started(false), band_ass_curr_sess(false), band((enum gsm_band)0),
+		     m_dev_type(LMS_DEV_UNKNOWN)
 {
 	LOGC(DDEV, INFO) << "creating LMS device...";
 
@@ -198,7 +223,48 @@ int info_list_find(lms_info_str_t* info_list, unsigned int count, const std::str
 	return -1;
 }
 
-int LMSDevice::open()
+void LMSDevice::assign_band_desc(enum gsm_band req_band)
+{
+	dev_band_map_it it;
+
+	it = dev_band_nom_power_param_map.find(dev_band_key(m_dev_type, req_band));
+	if (it == dev_band_nom_power_param_map.end()) {
+		dev_desc desc = dev_param_map.at(m_dev_type);
+		LOGC(DDEV, ERROR) << "No Tx Power measurements exist for device "
+				    << desc.name_prefix << " on band " << gsm_band_name(req_band)
+				    << ", using LimeSDR-USB ones as fallback";
+		it = dev_band_nom_power_param_map.find(dev_band_key(LMS_DEV_SDR_USB, req_band));
+	}
+	OSMO_ASSERT(it != dev_band_nom_power_param_map.end());
+	band_desc = it->second;
+}
+
+bool LMSDevice::set_band(enum gsm_band req_band)
+{
+	if (band_ass_curr_sess && req_band != band) {
+		LOGC(DDEV, ALERT) << "Requesting band " << gsm_band_name(req_band)
+				  << " different from previous band " << gsm_band_name(band);
+		return false;
+	}
+
+	if (req_band != band) {
+		band = req_band;
+		assign_band_desc(band);
+	}
+	band_ass_curr_sess = true;
+	return true;
+}
+
+void LMSDevice::get_dev_band_desc(dev_band_desc& desc)
+{
+	if (band == 0) {
+		LOGC(DDEV, ERROR) << "Power parameters requested before Tx Frequency was set! Providing band 900 by default...";
+		assign_band_desc(GSM_BAND_900);
+	}
+	desc = band_desc;
+}
+
+int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
 {
 	lms_info_str_t* info_list;
 	lms_range_t range_sr;
@@ -226,9 +292,9 @@ int LMSDevice::open()
 	for (i = 0; i < n; i++)
 		LOGC(DDEV, INFO) << "Device [" << i << "]: " << info_list[i];
 
-	dev_id = info_list_find(info_list, n, cfg->dev_args);
+	dev_id = info_list_find(info_list, n, args);
 	if (dev_id == -1) {
-		LOGC(DDEV, ERROR) << "No LMS device found with address '" << cfg->dev_args << "'";
+		LOGC(DDEV, ERROR) << "No LMS device found with address '" << args << "'";
 		delete[] info_list;
 		return -1;
 	}
@@ -245,15 +311,14 @@ int LMSDevice::open()
 
 	m_dev_type = parse_dev_type(m_lms_dev);
 	dev_desc = dev_param_map.at(m_dev_type);
-	update_band_dev(m_dev_type);
 
-	if ((cfg->clock_ref != REF_EXTERNAL) && (cfg->clock_ref != REF_INTERNAL)) {
+	if ((ref != REF_EXTERNAL) && (ref != REF_INTERNAL)){
 		LOGC(DDEV, ERROR) << "Invalid reference type";
 		goto out_close;
 	}
 
 	/* if reference clock is external, setup must happen _before_ calling LMS_Init */
-	if (cfg->clock_ref == REF_EXTERNAL) {
+	if (ref == REF_EXTERNAL) {
 		LOGC(DDEV, INFO) << "Setting External clock reference to 10MHz";
 		/* FIXME: Assume an external 10 MHz reference clock. make
 		   external reference frequency configurable */
@@ -268,7 +333,7 @@ int LMSDevice::open()
 	}
 
 	/* if reference clock is internal, setup must happen _after_ calling LMS_Init */
-	if (cfg->clock_ref == REF_INTERNAL) {
+	if (ref == REF_INTERNAL) {
 		LOGC(DDEV, INFO) << "Setting Internal clock reference";
 		/* Internal freq param is not used */
 		if (!do_clock_src_freq(REF_INTERNAL, 0))
@@ -404,7 +469,7 @@ bool LMSDevice::stop()
 		LMS_DestroyStream(m_lms_dev, &m_lms_stream_rx[i]);
 	}
 
-	band_reset();
+	band_ass_curr_sess = false;
 
 	started = false;
 	return true;
@@ -421,8 +486,8 @@ bool LMSDevice::do_clock_src_freq(enum ReferenceType ref, double freq)
 		break;
 	case REF_INTERNAL:
 		if (!dev_desc.clock_src_int_usable) {
-			LOGC(DDEV, ERROR)
+			LOGC(DDEV, ERROR) << "Device type " << dev_desc.name_prefix
-				<< "Device type " << dev_desc.desc_str << " doesn't support internal reference clock";
+					  << " doesn't support internal reference clock";
 			return false;
 		}
 		/* According to lms using LMS_CLOCK_EXTREF with a
@@ -440,8 +505,8 @@ bool LMSDevice::do_clock_src_freq(enum ReferenceType ref, double freq)
 		if (LMS_SetClockFreq(m_lms_dev, lms_clk_id, freq) < 0)
 			return false;
 	} else {
-		LOGC(DDEV, INFO)
+		LOGC(DDEV, INFO) << "Device type " << dev_desc.name_prefix
-			<< "Device type " << dev_desc.desc_str << " doesn't support switching clock source through SW";
+				 << " doesn't support switching clock source through SW";
 	}
 
 	return true;
@@ -934,6 +999,9 @@ bool LMSDevice::updateAlignment(TIMESTAMP timestamp)
 
 bool LMSDevice::setTxFreq(double wFreq, size_t chan)
 {
+	uint16_t req_arfcn;
+	enum gsm_band req_band;
+
 	if (chan >= chans) {
 		LOGC(DDEV, ALERT) << "Requested non-existent channel " << chan;
 		return false;
@@ -941,7 +1009,18 @@ bool LMSDevice::setTxFreq(double wFreq, size_t chan)
 
 	LOGCHAN(chan, DDEV, NOTICE) << "Setting Tx Freq to " << wFreq << " Hz";
 
-	if (!update_band_from_freq(wFreq, chan, true))
+	req_arfcn = gsm_freq102arfcn(wFreq / 1000 / 100 , 0);
+	if (req_arfcn == 0xffff) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown ARFCN for Tx Frequency " << wFreq / 1000 << " kHz";
+		return false;
+	}
+	if (gsm_arfcn2band_rc(req_arfcn, &req_band) < 0) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown GSM band for Tx Frequency " << wFreq
+					   << " Hz (ARFCN " << req_arfcn << " )";
+		return false;
+	}
+
+	if (!set_band(req_band))
 		return false;
 
 	if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_TX, chan, wFreq) < 0) {
@@ -954,9 +1033,23 @@ bool LMSDevice::setTxFreq(double wFreq, size_t chan)
 
 bool LMSDevice::setRxFreq(double wFreq, size_t chan)
 {
+	uint16_t req_arfcn;
+	enum gsm_band req_band;
+
 	LOGCHAN(chan, DDEV, NOTICE) << "Setting Rx Freq to " << wFreq << " Hz";
 
-	if (!update_band_from_freq(wFreq, chan, false))
+	req_arfcn = gsm_freq102arfcn(wFreq / 1000 / 100, 1);
+	if (req_arfcn == 0xffff) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown ARFCN for Rx Frequency " << wFreq / 1000 << " kHz";
+		return false;
+	}
+	if (gsm_arfcn2band_rc(req_arfcn, &req_band) < 0) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown GSM band for Rx Frequency " << wFreq
+					   << " Hz (ARFCN " << req_arfcn << " )";
+		return false;
+	}
+
+	if (!set_band(req_band))
 		return false;
 
 	if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_RX, chan, wFreq) < 0) {
@@ -967,15 +1060,18 @@ bool LMSDevice::setRxFreq(double wFreq, size_t chan)
 	return true;
 }
 
-RadioDevice *RadioDevice::make(InterfaceType type, const struct trx_cfg *cfg)
+RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps,
+			       InterfaceType iface, size_t chans, double lo_offset,
+			       const std::vector < std::string > &tx_paths,
+			       const std::vector < std::string > &rx_paths)
 {
-	if (cfg->tx_sps != cfg->rx_sps) {
+	if (tx_sps != rx_sps) {
-		LOGC(DDEV, ERROR) << "LMS requires tx_sps == rx_sps";
+		LOGC(DDEV, ERROR) << "LMS Requires tx_sps == rx_sps";
 		return NULL;
 	}
-	if (cfg->offset != 0.0) {
+	if (lo_offset != 0.0) {
 		LOGC(DDEV, ERROR) << "LMS doesn't support lo_offset";
 		return NULL;
 	}
-	return new LMSDevice(type, cfg);
+	return new LMSDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
 }

Transceiver52M/device/lms/LMSDevice.h

@@ -18,13 +18,11 @@
 #ifndef _LMS_DEVICE_H_
 #define _LMS_DEVICE_H_
 
-#include <map>
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "radioDevice.h"
-#include "bandmanager.h"
 #include "smpl_buf.h"
 
 #include <sys/time.h>
@@ -71,35 +69,8 @@ struct dev_band_desc {
 	double rxgain2rssioffset_rel; /* dB */
 };
 
-/* Device parameter descriptor */
-struct dev_desc {
-	/* Does LimeSuite allow switching the clock source for this device?
-	 * LimeSDR-Mini does not have switches but needs soldering to select
-	 * external/internal clock. Any call to LMS_SetClockFreq() will fail.
-	 */
-	bool clock_src_switchable;
-	/* Does LimeSuite allow using REF_INTERNAL for this device?
-	 * LimeNET-Micro does not like selecting internal clock
-	 */
-	bool clock_src_int_usable;
-	/* Sample rate coef (without having TX/RX samples per symbol into account) */
-	double rate;
-	/* Sample rate coef (without having TX/RX samples per symbol into account), if multi-arfcn is enabled */
-	double rate_multiarfcn;
-	/* Coefficient multiplied by TX sample rate in order to shift Tx time */
-	double ts_offset_coef;
-	/* Coefficient multiplied by TX sample rate in order to shift Tx time, if multi-arfcn is enabled */
-	double ts_offset_coef_multiarfcn;
-	/* Device Name Prefix as presented by LimeSuite API LMS_GetDeviceInfo() */
-	std::string desc_str;
-};
-
-using dev_band_key_t = std::tuple<lms_dev_type, gsm_band>;
-using power_map_t = std::map<dev_band_key_t, dev_band_desc>;
-using dev_map_t = std::map<lms_dev_type, struct dev_desc>;
-
 /** A class to handle a LimeSuite supported device */
-class LMSDevice:public RadioDevice, public band_manager<power_map_t, dev_map_t> {
+class LMSDevice:public RadioDevice {
 
 private:
 	lms_device_t *m_lms_dev;
@@ -116,6 +87,9 @@ private:
 	TIMESTAMP ts_initial, ts_offset;
 
 	std::vector<double> tx_gains, rx_gains;
+	bool band_ass_curr_sess; /* true if  "band" was set after last POWEROFF */
+	enum gsm_band band;
+	struct dev_band_desc band_desc;
 
 	enum lms_dev_type m_dev_type;
 
@@ -127,25 +101,29 @@ private:
 	void update_stream_stats_rx(size_t chan, bool *overrun);
 	void update_stream_stats_tx(size_t chan, bool *underrun);
 	bool do_clock_src_freq(enum ReferenceType ref, double freq);
+	void get_dev_band_desc(dev_band_desc& desc);
+	bool set_band(enum gsm_band req_band);
+	void assign_band_desc(enum gsm_band req_band);
 public:
 
 	/** Object constructor */
-    LMSDevice(InterfaceType iface, const struct trx_cfg *cfg);
+	LMSDevice(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset,
-    ~LMSDevice();
+		  const std::vector<std::string>& tx_paths,
+		  const std::vector<std::string>& rx_paths);
+	~LMSDevice();
 
-    /** Instantiate the LMS */
+	/** Instantiate the LMS */
-    int open();
+	int open(const std::string &args, int ref, bool swap_channels);
 
-    /** Start the LMS */
+	/** Start the LMS */
-    bool start();
+	bool start();
 
-    /** Stop the LMS */
+	/** Stop the LMS */
-    bool stop();
+	bool stop();
 
-    enum TxWindowType getWindowType()
+	enum TxWindowType getWindowType() {
-    {
+		return TX_WINDOW_LMS1;
-	    return TX_WINDOW_LMS1;
+	}
-    }
 
 	/**
 	Read samples from the LMS.

Transceiver52M/device/uhd/UHDDevice.cpp

@@ -91,7 +91,19 @@ extern "C" {
  *   USRP1 with timestamps is not supported by UHD.
  */
 
-static const dev_map_t dev_param_map {
+/* Device Type, Tx-SPS, Rx-SPS */
+typedef std::tuple<uhd_dev_type, int, int> dev_key;
+
+/* Device parameter descriptor */
+struct dev_desc {
+	unsigned channels;
+	double mcr;
+	double rate;
+	double offset;
+	std::string str;
+};
+
+static const std::map<dev_key, dev_desc> dev_param_map {
 	{ std::make_tuple(USRP2, 1, 1), { 1, 0.0,  390625,  1.2184e-4,  "N2XX 1 SPS"         } },
 	{ std::make_tuple(USRP2, 4, 1), { 1, 0.0,  390625,  7.6547e-5,  "N2XX 4/1 Tx/Rx SPS" } },
 	{ std::make_tuple(USRP2, 4, 4), { 1, 0.0,  390625,  4.6080e-5,  "N2XX 4 SPS"         } },
@@ -117,7 +129,9 @@ static const dev_map_t dev_param_map {
 	{ std::make_tuple(B2XX_MCBTS, 4, 4), { 1, 51.2e6, MCBTS_SPACING*4, B2XX_TIMING_MCBTS, "B200/B210 4 SPS Multi-ARFCN" } },
 };
 
-static const power_map_t dev_band_nom_power_param_map {
+typedef std::tuple<uhd_dev_type, enum gsm_band> dev_band_key;
+typedef std::map<dev_band_key, dev_band_desc>::const_iterator dev_band_map_it;
+static const std::map<dev_band_key, dev_band_desc> dev_band_nom_power_param_map {
 	{ std::make_tuple(B200, GSM_BAND_850),	{ 89.75, 13.3, -7.5  } },
 	{ std::make_tuple(B200, GSM_BAND_900),	{ 89.75, 13.3, -7.5  } },
 	{ std::make_tuple(B200, GSM_BAND_1800),	{ 89.75, 7.5,  -11.0 } },
@@ -206,10 +220,15 @@ static double TxPower2TxGain(const dev_band_desc &desc, double tx_power_dbm)
 	return desc.nom_uhd_tx_gain - (desc.nom_out_tx_power - tx_power_dbm);
 }
 
-uhd_device::uhd_device(InterfaceType iface, const struct trx_cfg *cfg)
+uhd_device::uhd_device(size_t tx_sps, size_t rx_sps,
-	: RadioDevice(iface, cfg), band_manager(dev_band_nom_power_param_map, dev_param_map), rx_gain_min(0.0),
+		       InterfaceType iface, size_t chan_num, double lo_offset,
-	  rx_gain_max(0.0), tx_spp(0), rx_spp(0), started(false), aligned(false), drop_cnt(0), prev_ts(0, 0),
+		       const std::vector<std::string>& tx_paths,
-	  ts_initial(0), ts_offset(0), async_event_thrd(NULL)
+		       const std::vector<std::string>& rx_paths)
+	: RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths),
+	  rx_gain_min(0.0), rx_gain_max(0.0), band_ass_curr_sess(false),
+	  band((enum gsm_band)0), tx_spp(0), rx_spp(0),
+	  started(false), aligned(false), drop_cnt(0),
+	  prev_ts(0,0), ts_initial(0), ts_offset(0), async_event_thrd(NULL)
 {
 }
 
@@ -221,6 +240,47 @@ uhd_device::~uhd_device()
 		delete rx_buffers[i];
 }
 
+void uhd_device::assign_band_desc(enum gsm_band req_band)
+{
+	dev_band_map_it it;
+
+	it = dev_band_nom_power_param_map.find(dev_band_key(dev_type, req_band));
+	if (it == dev_band_nom_power_param_map.end()) {
+		dev_desc desc = dev_param_map.at(dev_key(dev_type, tx_sps, rx_sps));
+		LOGC(DDEV, ERROR) << "No Power parameters exist for device "
+				    << desc.str << " on band " << gsm_band_name(req_band)
+				    << ", using B210 ones as fallback";
+		it = dev_band_nom_power_param_map.find(dev_band_key(B210, req_band));
+	}
+	OSMO_ASSERT(it != dev_band_nom_power_param_map.end())
+	band_desc = it->second;
+}
+
+bool uhd_device::set_band(enum gsm_band req_band)
+{
+	if (band_ass_curr_sess && req_band != band) {
+		LOGC(DDEV, ALERT) << "Requesting band " << gsm_band_name(req_band)
+				  << " different from previous band " << gsm_band_name(band);
+		return false;
+	}
+
+	if (req_band != band) {
+		band = req_band;
+		assign_band_desc(band);
+	}
+	band_ass_curr_sess = true;
+	return true;
+}
+
+void uhd_device::get_dev_band_desc(dev_band_desc& desc)
+{
+	if (band == 0) {
+		LOGC(DDEV, ERROR) << "Power parameters requested before Tx Frequency was set! Providing band 900 by default...";
+		assign_band_desc(GSM_BAND_900);
+	}
+	desc = band_desc;
+}
+
 void uhd_device::init_gains()
 {
 	double tx_gain_min, tx_gain_max;
@@ -285,7 +345,7 @@ void uhd_device::set_rates()
 	rx_rate = usrp_dev->get_rx_rate();
 
 	ts_offset = static_cast<TIMESTAMP>(desc.offset * rx_rate);
-	LOGC(DDEV, INFO) << "Rates configured for " << desc.desc_str;
+	LOGC(DDEV, INFO) << "Rates configured for " << desc.str;
 }
 
 double uhd_device::setRxGain(double db, size_t chan)
@@ -295,9 +355,6 @@ double uhd_device::setRxGain(double db, size_t chan)
 		return 0.0f;
 	}
 
-	if (cfg->overrides.ul_gain_override)
-		return rx_gains[chan];
-
 	usrp_dev->set_rx_gain(db, chan);
 	rx_gains[chan] = usrp_dev->get_rx_gain(chan);
 
@@ -340,9 +397,6 @@ double uhd_device::setPowerAttenuation(int atten, size_t chan) {
 		return 0.0f;
 	}
 
-	if (cfg->overrides.dl_gain_override)
-		return atten; // ensures caller does not apply digital attenuation
-
 	get_dev_band_desc(desc);
 	tx_power = desc.nom_out_tx_power - atten;
 	db = TxPower2TxGain(desc, tx_power);
@@ -494,7 +548,7 @@ void uhd_device::set_channels(bool swap)
 	}
 }
 
-int uhd_device::open()
+int uhd_device::open(const std::string &args, int ref, bool swap_channels)
 {
 	const char *refstr;
 	int clock_lock_attempts = 15;
@@ -510,10 +564,10 @@ int uhd_device::open()
 #endif
 
 	// Find UHD devices
-	uhd::device_addr_t addr(cfg->dev_args);
+	uhd::device_addr_t addr(args);
 	uhd::device_addrs_t dev_addrs = uhd::device::find(addr);
 	if (dev_addrs.size() == 0) {
-		LOGC(DDEV, ALERT) << "No UHD devices found with address '" << cfg->dev_args << "'";
+		LOGC(DDEV, ALERT) << "No UHD devices found with address '" << args << "'";
 		return -1;
 	}
 
@@ -522,7 +576,7 @@ int uhd_device::open()
 	try {
 		usrp_dev = uhd::usrp::multi_usrp::make(addr);
 	} catch(uhd::key_error::exception &e) {
-		LOGC(DDEV, ALERT) << "UHD make failed, device " << cfg->dev_args << ", exception:\n" << e.what();
+		LOGC(DDEV, ALERT) << "UHD make failed, device " << args << ", exception:\n" << e.what();
 		return -1;
 	}
 
@@ -530,16 +584,14 @@ int uhd_device::open()
 	if (!parse_dev_type())
 		return -1;
 
-	update_band_dev(dev_key(dev_type, tx_sps, rx_sps));
-
 	if ((dev_type == E3XX) && !uhd_e3xx_version_chk()) {
 		LOGC(DDEV, ALERT) << "E3XX requires UHD 003.009.000 or greater";
 		return -1;
 	}
 
 	try {
-		set_channels(cfg->swap_channels);
+		set_channels(swap_channels);
-	} catch (const std::exception &e) {
+        } catch (const std::exception &e) {
 		LOGC(DDEV, ALERT) << "Channel setting failed - " << e.what();
 		return -1;
 	}
@@ -555,7 +607,7 @@ int uhd_device::open()
 	rx_gains.resize(chans);
 	rx_buffers.resize(chans);
 
-	switch (cfg->clock_ref) {
+	switch (ref) {
 	case REF_INTERNAL:
 		refstr = "internal";
 		break;
@@ -634,32 +686,6 @@ int uhd_device::open()
 	// Print configuration
 	LOGC(DDEV, INFO) << "Device configuration: " << usrp_dev->get_pp_string();
 
-	if (cfg->overrides.dl_freq_override) {
-		uhd::tune_request_t treq_tx = uhd::tune_request_t(cfg->overrides.dl_freq, 0);
-		auto tres = usrp_dev->set_tx_freq(treq_tx, 0);
-		tx_freqs[0] = usrp_dev->get_tx_freq(0);
-		LOGCHAN(0, DDEV, INFO) << "OVERRIDE set_freq(" << tx_freqs[0] << ", TX): " << tres.to_pp_string() << std::endl;
-	}
-
-	if (cfg->overrides.ul_freq_override) {
-		uhd::tune_request_t treq_rx = uhd::tune_request_t(cfg->overrides.ul_freq, 0);
-		auto tres = usrp_dev->set_rx_freq(treq_rx, 0);
-		rx_freqs[0] = usrp_dev->get_rx_freq(0);
-		LOGCHAN(0, DDEV, INFO) << "OVERRIDE set_freq(" << rx_freqs[0] << ", RX): " << tres.to_pp_string() << std::endl;
-	}
-
-	if (cfg->overrides.ul_gain_override) {
-		usrp_dev->set_rx_gain(cfg->overrides.ul_gain, 0);
-		rx_gains[0] = usrp_dev->get_rx_gain(0);
-		LOGCHAN(0, DDEV, INFO) << " OVERRIDE RX gain:" << rx_gains[0] << std::endl;
-	}
-
-	if (cfg->overrides.dl_gain_override) {
-		usrp_dev->set_tx_gain(cfg->overrides.dl_gain, 0);
-		tx_gains[0] = usrp_dev->get_tx_gain(0);
-		LOGCHAN(0, DDEV, INFO) << " OVERRIDE TX gain:" << tx_gains[0] << std::endl;
-	}
-
 	if (iface == MULTI_ARFCN)
 		return MULTI_ARFCN;
 
@@ -770,7 +796,7 @@ bool uhd_device::stop()
 	for (size_t i = 0; i < rx_buffers.size(); i++)
 		rx_buffers[i]->reset();
 
-	band_reset();
+	band_ass_curr_sess = false;
 
 	started = false;
 	return true;
@@ -1010,22 +1036,17 @@ bool uhd_device::set_freq(double freq, size_t chan, bool tx)
 {
 	std::vector<double> freqs;
 	uhd::tune_result_t tres;
-	std::string str_dir = tx ? "Tx" : "Rx";
-
-	if (cfg->overrides.dl_freq_override || cfg->overrides.ul_freq_override)
-		return true;
-
-	if (!update_band_from_freq(freq, chan, tx))
-		return false;
-
 	uhd::tune_request_t treq = select_freq(freq, chan, tx);
+	std::string str_dir;
 
 	if (tx) {
 		tres = usrp_dev->set_tx_freq(treq, chan);
 		tx_freqs[chan] = usrp_dev->get_tx_freq(chan);
+		str_dir = "Tx";
 	} else {
 		tres = usrp_dev->set_rx_freq(treq, chan);
 		rx_freqs[chan] = usrp_dev->get_rx_freq(chan);
+		str_dir = "Rx";
 	}
 	LOGCHAN(chan, DDEV, INFO) << "set_freq(" << freq << ", " << str_dir << "): " << tres.to_pp_string() << std::endl;
 
@@ -1055,20 +1076,59 @@ bool uhd_device::set_freq(double freq, size_t chan, bool tx)
 
 bool uhd_device::setTxFreq(double wFreq, size_t chan)
 {
+	uint16_t req_arfcn;
+	enum gsm_band req_band;
+
 	if (chan >= tx_freqs.size()) {
 		LOGC(DDEV, ALERT) << "Requested non-existent channel " << chan;
 		return false;
 	}
+	ScopedLock lock(tune_lock);
 
-	return set_freq(wFreq, chan, true);
+	req_arfcn = gsm_freq102arfcn(wFreq / 1000 / 100 , 0);
+	if (req_arfcn == 0xffff) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown ARFCN for Tx Frequency " << wFreq / 1000 << " kHz";
+		return false;
+	}
+	if (gsm_arfcn2band_rc(req_arfcn, &req_band) < 0) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown GSM band for Tx Frequency " << wFreq
+					   << " Hz (ARFCN " << req_arfcn << " )";
+		return false;
+	}
+
+	if (!set_band(req_band))
+		return false;
+
+	if (!set_freq(wFreq, chan, true))
+		return false;
+
+	return true;
 }
 
 bool uhd_device::setRxFreq(double wFreq, size_t chan)
 {
+	uint16_t req_arfcn;
+	enum gsm_band req_band;
+
 	if (chan >= rx_freqs.size()) {
 		LOGC(DDEV, ALERT) << "Requested non-existent channel " << chan;
 		return false;
 	}
+	ScopedLock lock(tune_lock);
+
+	req_arfcn = gsm_freq102arfcn(wFreq / 1000 / 100, 1);
+	if (req_arfcn == 0xffff) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown ARFCN for Rx Frequency " << wFreq / 1000 << " kHz";
+		return false;
+	}
+	if (gsm_arfcn2band_rc(req_arfcn, &req_band) < 0) {
+		LOGCHAN(chan, DDEV, ALERT) << "Unknown GSM band for Rx Frequency " << wFreq
+					   << " Hz (ARFCN " << req_arfcn << " )";
+		return false;
+	}
+
+	if (!set_band(req_band))
+		return false;
 
 	return set_freq(wFreq, chan, false);
 }
@@ -1318,8 +1378,11 @@ std::string uhd_device::str_code(uhd::async_metadata_t metadata)
 }
 
 #ifndef IPCMAGIC
-RadioDevice *RadioDevice::make(InterfaceType type, const struct trx_cfg *cfg)
+RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps,
+			       InterfaceType iface, size_t chans, double lo_offset,
+			       const std::vector<std::string>& tx_paths,
+			       const std::vector<std::string>& rx_paths)
 {
-	return new uhd_device(type, cfg);
+	return new uhd_device(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
 }
 #endif

Transceiver52M/device/uhd/UHDDevice.h

@@ -30,7 +30,6 @@
 #include "config.h"
 #endif
 
-#include "bandmanager.h"
 #include "radioDevice.h"
 #include "smpl_buf.h"
 
@@ -72,19 +71,6 @@ struct dev_band_desc {
 	double rxgain2rssioffset_rel; /* dB */
 };
 
-struct dev_desc {
-	unsigned channels;
-	double mcr;
-	double rate;
-	double offset;
-	std::string desc_str;
-};
-
-using dev_key = std::tuple<uhd_dev_type, int, int>;
-using dev_band_key = std::tuple<uhd_dev_type, enum gsm_band>;
-using power_map_t = std::map<dev_band_key, dev_band_desc>;
-using dev_map_t = std::map<dev_key, dev_desc>;
-
 /*
     uhd_device - UHD implementation of the Device interface. Timestamped samples
                 are sent to and received from the device. An intermediate buffer
@@ -92,19 +78,19 @@ using dev_map_t = std::map<dev_key, dev_desc>;
                 Events and errors such as underruns are reported asynchronously
                 by the device and received in a separate thread.
 */
-class uhd_device : public RadioDevice, public band_manager<power_map_t, dev_map_t> {
+class uhd_device : public RadioDevice {
 public:
-    uhd_device(InterfaceType iface, const struct trx_cfg *cfg);
+	uhd_device(size_t tx_sps, size_t rx_sps, InterfaceType type,
-    ~uhd_device();
+		   size_t chan_num, double offset,
+		   const std::vector<std::string>& tx_paths,
+		   const std::vector<std::string>& rx_paths);
+	~uhd_device();
 
-    int open();
+	int open(const std::string &args, int ref, bool swap_channels);
-    bool start();
+	bool start();
-    bool stop();
+	bool stop();
-    bool restart();
+	bool restart();
-    enum TxWindowType getWindowType()
+	enum TxWindowType getWindowType() { return tx_window; }
-    {
-	    return tx_window;
-    }
 
 	int readSamples(std::vector<short *> &bufs, int len, bool *overrun,
 			TIMESTAMP timestamp, bool *underrun);
@@ -174,6 +160,9 @@ protected:
 
 	std::vector<double> tx_gains, rx_gains;
 	std::vector<double> tx_freqs, rx_freqs;
+	bool band_ass_curr_sess; /* true if  "band" was set after last POWEROFF */
+	enum gsm_band band;
+	struct dev_band_desc band_desc;
 	size_t tx_spp, rx_spp;
 
 	bool started;
@@ -202,6 +191,10 @@ protected:
 
 	uhd::tune_request_t select_freq(double wFreq, size_t chan, bool tx);
 	bool set_freq(double freq, size_t chan, bool tx);
+	void get_dev_band_desc(dev_band_desc& desc);
+	bool set_band(enum gsm_band req_band);
+	void assign_band_desc(enum gsm_band req_band);
 
 	Thread *async_event_thrd;
+	Mutex tune_lock;
 };

Transceiver52M/device/usrp1/USRPDevice.cpp

@@ -60,7 +60,11 @@ const dboardConfigType dboardConfig = TXA_RXB;
 
 const double USRPDevice::masterClockRate = 52.0e6;
 
-USRPDevice::USRPDevice(InterfaceType iface, const struct trx_cfg *cfg) : RadioDevice(iface, cfg)
+USRPDevice::USRPDevice(size_t tx_sps, size_t rx_sps, InterfaceType iface,
+		       size_t chan_num, double lo_offset,
+		       const std::vector<std::string>& tx_paths,
+		       const std::vector<std::string>& rx_paths):
+		RadioDevice(tx_sps, rx_sps, iface, chan_num, lo_offset, tx_paths, rx_paths)
 {
   LOGC(DDEV, INFO) << "creating USRP device...";
 
@@ -90,7 +94,7 @@ USRPDevice::USRPDevice(InterfaceType iface, const struct trx_cfg *cfg) : RadioDe
 #endif
 }
 
-int USRPDevice::open()
+int USRPDevice::open(const std::string &, int, bool)
 {
   writeLock.unlock();
 
@@ -583,7 +587,8 @@ bool USRPDevice::updateAlignment(TIMESTAMP timestamp)
 {
 #ifndef SWLOOPBACK
   short data[] = {0x00,0x02,0x00,0x00};
-  /* FIXME: big endian */
+  uint32_t *wordPtr = (uint32_t *) data;
+  *wordPtr = host_to_usrp_u32(*wordPtr);
   bool tmpUnderrun;
 
   std::vector<short *> buf(1, data);
@@ -654,19 +659,22 @@ bool USRPDevice::setTxFreq(double wFreq) { return true;};
 bool USRPDevice::setRxFreq(double wFreq) { return true;};
 #endif
 
-RadioDevice *RadioDevice::make(InterfaceType type, const struct trx_cfg *cfg)
+RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps,
+			       InterfaceType iface, size_t chans, double lo_offset,
+			       const std::vector<std::string>& tx_paths,
+			       const std::vector<std::string>& rx_paths)
 {
-  if (cfg->tx_sps != cfg->rx_sps) {
+	if (tx_sps != rx_sps) {
-    LOGC(DDEV, ERROR) << "USRP1 requires tx_sps == rx_sps";
+		LOGC(DDEV, ERROR) << "USRP1 requires tx_sps == rx_sps";
-    return NULL;
+		return NULL;
-  }
+	}
-  if (cfg->num_chans != 1) {
+	if (chans != 1) {
-    LOGC(DDEV, ERROR) << "USRP1 supports only 1 channel";
+		LOGC(DDEV, ERROR) << "USRP1 supports only 1 channel";
-    return NULL;
+		return NULL;
-  }
+	}
-  if (cfg->offset != 0.0) {
+	if (lo_offset != 0.0) {
-    LOGC(DDEV, ERROR) << "USRP1 doesn't support lo_offset";
+		LOGC(DDEV, ERROR) << "USRP1 doesn't support lo_offset";
-    return NULL;
+		return NULL;
-  }
+	}
-  return new USRPDevice(type, cfg);
+	return new USRPDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
 }

Transceiver52M/device/usrp1/USRPDevice.h

@@ -104,21 +104,20 @@ private:
  public:
 
   /** Object constructor */
-     USRPDevice(InterfaceType iface, const struct trx_cfg *cfg);
+  USRPDevice(size_t tx_sps, size_t rx_sps, InterfaceType iface, size_t chan_num, double lo_offset,
+		const std::vector<std::string>& tx_paths,
+		const std::vector<std::string>& rx_paths);
 
-     /** Instantiate the USRP */
+  /** Instantiate the USRP */
-     int open();
+  int open(const std::string &, int, bool);
 
-     /** Start the USRP */
+  /** Start the USRP */
-     bool start();
+  bool start();
 
-     /** Stop the USRP */
+  /** Stop the USRP */
-     bool stop();
+  bool stop();
 
-     enum TxWindowType getWindowType()
+  enum TxWindowType getWindowType() { return TX_WINDOW_USRP1; }
-     {
-	     return TX_WINDOW_USRP1;
-     }
 
   /**
 	Read samples from the USRP.

Transceiver52M/grgsm_vitac/constants.h

@@ -1,149 +1,121 @@
-#pragma once
+#pragma once
-/* -*- c++ -*- */
+
-/*
+#include <complex>
- * @file
+
- * @author (C) 2009-2017  by Piotr Krysik <ptrkrysik@gmail.com>
+#define gr_complex std::complex<float>
- * @section LICENSE
+
- *
+
- * Gr-gsm is free software; you can redistribute it and/or modify
+#define GSM_SYMBOL_RATE  (1625000.0/6.0) //symbols per second
- * it under the terms of the GNU General Public License as published by
+#define GSM_SYMBOL_PERIOD (1.0/GSM_SYMBOL_RATE) //seconds per symbol
- * the Free Software Foundation; either version 3, or (at your option)
+
- * any later version.
+//Burst timing
- *
+#define TAIL_BITS         3
- * Gr-gsm is distributed in the hope that it will be useful,
+#define GUARD_BITS        8
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+#define GUARD_FRACTIONAL  0.25 //fractional part of guard period
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#define GUARD_PERIOD      GUARD_BITS + GUARD_FRACTIONAL
- * GNU General Public License for more details.
+#define DATA_BITS         57   //size of 1 data block in normal burst
- *
+#define STEALING_BIT      1
- * You should have received a copy of the GNU General Public License
+#define N_TRAIN_BITS      26
- * along with gr-gsm; see the file COPYING.  If not, write to
+#define N_SYNC_BITS       64
- * the Free Software Foundation, Inc., 51 Franklin Street,
+#define USEFUL_BITS       142  //(2*(DATA_BITS+STEALING_BIT) + N_TRAIN_BITS )
- * Boston, MA 02110-1301, USA.
+#define FCCH_BITS         USEFUL_BITS
- */
+#define BURST_SIZE        (USEFUL_BITS+2*TAIL_BITS)
-
+#define ACCESS_BURST_SIZE 88
-#include <complex>
+#define PROCESSED_CHUNK   BURST_SIZE+2*GUARD_PERIOD
-
+
-#define gr_complex std::complex<float>
+#define SCH_DATA_LEN      39
-
+#define TS_BITS           (TAIL_BITS+USEFUL_BITS+TAIL_BITS+GUARD_BITS)  //a full TS (156 bits)
-
+#define TS_PER_FRAME      8
-#define GSM_SYMBOL_RATE  (1625000.0/6.0) //symbols per second
+#define FRAME_BITS        (TS_PER_FRAME * TS_BITS + 2) // 156.25 * 8
-#define GSM_SYMBOL_PERIOD (1.0/GSM_SYMBOL_RATE) //seconds per symbol
+#define FCCH_POS          TAIL_BITS
-
+#define SYNC_POS          (TAIL_BITS + 39)
-//Burst timing
+#define TRAIN_POS         ( TAIL_BITS + (DATA_BITS+STEALING_BIT) + 5) //first 5 bits of a training sequence
-#define TAIL_BITS         3
+													   //aren't used for channel impulse response estimation
-#define GUARD_BITS        8
+#define TRAIN_BEGINNING   5
-#define GUARD_FRACTIONAL  0.25 //fractional part of guard period
+#define SAFETY_MARGIN     6   //
-#define GUARD_PERIOD      GUARD_BITS + GUARD_FRACTIONAL
+
-#define DATA_BITS         57   //size of 1 data block in normal burst
+#define FCCH_HITS_NEEDED        (USEFUL_BITS - 4)
-#define STEALING_BIT      1
+#define FCCH_MAX_MISSES         1
-#define N_TRAIN_BITS      26
+#define FCCH_MAX_FREQ_OFFSET    100
-#define N_SYNC_BITS       64
+
-#define N_ACCESS_BITS     41
+#define CHAN_IMP_RESP_LENGTH  5
-#define USEFUL_BITS       142  //(2*(DATA_BITS+STEALING_BIT) + N_TRAIN_BITS )
+
-#define FCCH_BITS         USEFUL_BITS
+#define MAX_SCH_ERRORS    10  //maximum number of subsequent sch errors after which gsm receiver goes to find_next_fcch state
-#define BURST_SIZE        (USEFUL_BITS+2*TAIL_BITS)
+
-#define ACCESS_BURST_SIZE 88
+typedef enum { empty, fcch_burst, sch_burst, normal_burst, rach_burst, dummy, dummy_or_normal, normal_or_noise } burst_type;
-#define PROCESSED_CHUNK   BURST_SIZE+2*GUARD_PERIOD
+typedef enum { unknown, multiframe_26, multiframe_51 } multiframe_type;
-
+
-#define SCH_DATA_LEN      39
+static const unsigned char SYNC_BITS[] = {
-#define TS_BITS           (TAIL_BITS+USEFUL_BITS+TAIL_BITS+GUARD_BITS)  //a full TS (156 bits)
+  1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0,
-#define TS_PER_FRAME      8
+  0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
-#define FRAME_BITS        (TS_PER_FRAME * TS_BITS + 2) // 156.25 * 8
+  0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1,
-#define FCCH_POS          TAIL_BITS
+  0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1
-#define SYNC_POS          (TAIL_BITS + 39)
+};
-#define TRAIN_POS         ( TAIL_BITS + (DATA_BITS+STEALING_BIT) + 5) //first 5 bits of a training sequence
+
-													   //aren't used for channel impulse response estimation
+const unsigned FCCH_FRAMES[] = { 0, 10, 20, 30, 40 };
-#define TRAIN_BEGINNING   5
+const unsigned SCH_FRAMES[] = { 1, 11, 21, 31, 41 };
-#define SAFETY_MARGIN     6   //
+
-
+const unsigned BCCH_FRAMES[] = { 2, 3, 4, 5 };          //!!the receiver shouldn't care about logical
-#define FCCH_HITS_NEEDED        (USEFUL_BITS - 4)
+													  //!!channels so this will be removed from this header
-#define FCCH_MAX_MISSES         1
+const unsigned TEST_CCH_FRAMES[] = { 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 22, 23, 24, 25, 26, 27, 28, 29, 32, 33, 34, 35, 36, 37, 38, 39, 42, 43, 44, 45, 46, 47, 48, 49 };
-#define FCCH_MAX_FREQ_OFFSET    100
+const unsigned TRAFFIC_CHANNEL_F[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 };
-
+const unsigned TEST51[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50 };
-#define CHAN_IMP_RESP_LENGTH  5
+
-
+
-#define MAX_SCH_ERRORS    10  //maximum number of subsequent sch errors after which gsm receiver goes to find_next_fcch state
+#define TSC0  0
-
+#define TSC1  1
-typedef enum { empty, fcch_burst, sch_burst, normal_burst, rach_burst, dummy, dummy_or_normal, normal_or_noise } burst_type;
+#define TSC2  2
-typedef enum { unknown, multiframe_26, multiframe_51 } multiframe_type;
+#define TSC3  3
-
+#define TSC4  4
-static const unsigned char SYNC_BITS[] = {
+#define TSC5  5
-  1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0,
+#define TSC6  6
-  0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
+#define TSC7  7
-  0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1,
+#define TS_DUMMY 8
-  0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1
+
-};
+#define TRAIN_SEQ_NUM 9
-
+
-static const unsigned char ACCESS_BITS [] = {
+#define TIMESLOT0  0
- 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1,
+#define TIMESLOT1  1
- 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0,
+#define TIMESLOT2  2
- 0, 1, 1, 1, 1, 0, 0, 0
+#define TIMESLOT3  3
-};
+#define TIMESLOT4  4
-
+#define TIMESLOT5  5
-const unsigned FCCH_FRAMES[] = { 0, 10, 20, 30, 40 };
+#define TIMESLOT6  6
-const unsigned SCH_FRAMES[] = { 1, 11, 21, 31, 41 };
+#define TIMESLOT7  7
-
+
-const unsigned BCCH_FRAMES[] = { 2, 3, 4, 5 };          //!!the receiver shouldn't care about logical
+
-													  //!!channels so this will be removed from this header
+static const unsigned char train_seq[TRAIN_SEQ_NUM][N_TRAIN_BITS] = {
-const unsigned TEST_CCH_FRAMES[] = { 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 22, 23, 24, 25, 26, 27, 28, 29, 32, 33, 34, 35, 36, 37, 38, 39, 42, 43, 44, 45, 46, 47, 48, 49 };
+  {0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1},
-const unsigned TRAFFIC_CHANNEL_F[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 };
+  {0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1},
-const unsigned TEST51[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50 };
+  {0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0},
-
+  {0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0},
-
+  {0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1},
-#define TSC0  0
+  {0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0},
-#define TSC1  1
+  {1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1},
-#define TSC2  2
+  {1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0},
-#define TSC3  3
+  {0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1} // DUMMY
-#define TSC4  4
+};
-#define TSC5  5
+
-#define TSC6  6
+
-#define TSC7  7
+//Dummy burst 0xFB 76 0A 4E 09 10 1F 1C 5C 5C 57 4A 33 39 E9 F1 2F A8
-#define TS_DUMMY 8
+static const unsigned char dummy_burst[] = {
-
+  0, 0, 0,
-#define TRAIN_SEQ_NUM 9
+  1, 1, 1, 1, 1, 0, 1, 1, 0, 1,
-
+  1, 1, 0, 1, 1, 0, 0, 0, 0, 0,
-#define TIMESLOT0  0
+  1, 0, 1, 0, 0, 1, 0, 0, 1, 1,
-#define TIMESLOT1  1
+  1, 0, 0, 0, 0, 0, 1, 0, 0, 1,
-#define TIMESLOT2  2
+  0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
-#define TIMESLOT3  3
+  0, 1, 1, 1, 1, 1, 0, 0,
-#define TIMESLOT4  4
+
-#define TIMESLOT5  5
+  0, 1, 1, 1, 0, 0, 0, 1, 0, 1,
-#define TIMESLOT6  6
+  1, 1, 0, 0, 0, 1, 0, 1, 1, 1,
-#define TIMESLOT7  7
+  0, 0, 0, 1, 0, 1,
-
+
-
+  0, 1, 1, 1, 0, 1, 0, 0, 1, 0,
-static const unsigned char train_seq[TRAIN_SEQ_NUM][N_TRAIN_BITS] = {
+  1, 0, 0, 0, 1, 1, 0, 0, 1, 1,
-  {0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1},
+  0, 0, 1, 1, 1, 0, 0, 1, 1, 1,
-  {0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1},
+  1, 0, 1, 0, 0, 1, 1, 1, 1, 1,
-  {0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0},
+  0, 0, 0, 1, 0, 0, 1, 0, 1, 1,
-  {0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0},
+  1, 1, 1, 0, 1, 0, 1, 0,
-  {0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1},
+  0, 0, 0
-  {0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0},
+};
-  {1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1},
-  {1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0},
-  {0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1} // DUMMY
-};
-
-
-//Dummy burst 0xFB 76 0A 4E 09 10 1F 1C 5C 5C 57 4A 33 39 E9 F1 2F A8
-static const unsigned char dummy_burst[] = {
-  0, 0, 0,
-  1, 1, 1, 1, 1, 0, 1, 1, 0, 1,
-  1, 1, 0, 1, 1, 0, 0, 0, 0, 0,
-  1, 0, 1, 0, 0, 1, 0, 0, 1, 1,
-  1, 0, 0, 0, 0, 0, 1, 0, 0, 1,
-  0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
-  0, 1, 1, 1, 1, 1, 0, 0,
-
-  0, 1, 1, 1, 0, 0, 0, 1, 0, 1,
-  1, 1, 0, 0, 0, 1, 0, 1, 1, 1,
-  0, 0, 0, 1, 0, 1,
-
-  0, 1, 1, 1, 0, 1, 0, 0, 1, 0,
-  1, 0, 0, 0, 1, 1, 0, 0, 1, 1,
-  0, 0, 1, 1, 1, 0, 0, 1, 1, 1,
-  1, 0, 1, 0, 0, 1, 1, 1, 1, 1,
-  0, 0, 0, 1, 0, 0, 1, 0, 1, 1,
-  1, 1, 1, 0, 1, 0, 1, 0,
-  0, 0, 0
-};

Transceiver52M/grgsm_vitac/grgsm_vitac.cpp

@@ -1,305 +1,338 @@
-/* -*- c++ -*- */
+/* -*- c++ -*- */
-/*
+/*
- * @file
+ * @file
- * @author (C) 2009-2017  by Piotr Krysik <ptrkrysik@gmail.com>
+ * @author (C) 2009-2017  by Piotr Krysik <ptrkrysik@gmail.com>
- * @author Contributions by sysmocom - s.f.m.c. GmbH / Eric Wild <ewild@sysmocom.de>
+ * @section LICENSE
- * @section LICENSE
+ *
- *
+ * Gr-gsm is free software; you can redistribute it and/or modify
- * Gr-gsm is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
- * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
- * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
- * any later version.
+ *
- *
+ * Gr-gsm is distributed in the hope that it will be useful,
- * Gr-gsm is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
- * GNU General Public License for more details.
+ *
- *
+ * You should have received a copy of the GNU General Public License
- * You should have received a copy of the GNU General Public License
+ * along with gr-gsm; see the file COPYING.  If not, write to
- * along with gr-gsm; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
- * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
- * Boston, MA 02110-1301, USA.
+ */
- */
+
-
+#include "constants.h"
-#include "constants.h"
+
-
+#ifdef HAVE_CONFIG_H
-#ifdef HAVE_CONFIG_H
+#include "config.h"
-#include "config.h"
+#endif
-#endif
+#include <complex>
-#include <complex>
+
-
+
-
+#include <algorithm>
-#include <algorithm>
+#include <string.h>
-#include <string.h>
+#include <iostream>
-#include <iostream>
+#include <numeric>
-#include <numeric>
+#include <vector>
-#include <vector>
+#include <fstream>
-#include <fstream>
+
-
+#include "viterbi_detector.h"
-#include "viterbi_detector.h"
+#include "grgsm_vitac.h"
-#include "grgsm_vitac.h"
+
-
+//signalVector mChanResp;
-gr_complex d_acc_training_seq[N_ACCESS_BITS]; ///<encoded training sequence of a RACH burst
+gr_complex d_sch_training_seq[N_SYNC_BITS]; ///<encoded training sequence of a SCH burst
-gr_complex d_sch_training_seq[N_SYNC_BITS]; ///<encoded training sequence of a SCH burst
+gr_complex d_norm_training_seq[TRAIN_SEQ_NUM][N_TRAIN_BITS]; ///<encoded training sequences of a normal and dummy burst
-gr_complex d_norm_training_seq[TRAIN_SEQ_NUM][N_TRAIN_BITS]; ///<encoded training sequences of a normal and dummy burst
+const int d_chan_imp_length = CHAN_IMP_RESP_LENGTH;
-const int d_chan_imp_length = CHAN_IMP_RESP_LENGTH;
+
-
+void initvita() {
-void initvita()
+
-{
+	/**
-	/**
+	 * Prepare SCH sequence bits
-	 * Prepare SCH sequence bits
+	 *
-	 *
+	 * (TS_BITS + 2 * GUARD_PERIOD)
-	 * (TS_BITS + 2 * GUARD_PERIOD)
+	 * Burst and two guard periods
-	 * Burst and two guard periods
+	 * (one guard period is an arbitrary overlap)
-	 * (one guard period is an arbitrary overlap)
+	 */
-	 */
+	gmsk_mapper(SYNC_BITS, N_SYNC_BITS,
-	gmsk_mapper(SYNC_BITS, N_SYNC_BITS, d_sch_training_seq, gr_complex(0.0, -1.0));
+		d_sch_training_seq, gr_complex(0.0, -1.0));
-	for (auto &i : d_sch_training_seq)
+	for (auto &i : d_sch_training_seq)
-		i = conj(i);
+		i = conj(i);
-
+
-	/* ab */
+	/* Prepare bits of training sequences */
-	gmsk_mapper(ACCESS_BITS, N_ACCESS_BITS, d_acc_training_seq, gr_complex(0.0, -1.0));
+	for (int i = 0; i < TRAIN_SEQ_NUM; i++) {
-	for (auto &i : d_acc_training_seq)
+		/**
-		i = conj(i);
+		 * If first bit of the sequence is 0
-
+		 * => first symbol is 1, else -1
-	/* Prepare bits of training sequences */
+		 */
-	for (int i = 0; i < TRAIN_SEQ_NUM; i++) {
+		gr_complex startpoint = train_seq[i][0] == 0 ?
-		/**
+			gr_complex(1.0, 0.0) : gr_complex(-1.0, 0.0);
-		 * If first bit of the sequence is 0
+		gmsk_mapper(train_seq[i], N_TRAIN_BITS,
-		 * => first symbol is 1, else -1
+			d_norm_training_seq[i], startpoint);
-		 */
+		for (auto &i : d_norm_training_seq[i])
-		gr_complex startpoint = train_seq[i][0] == 0 ? gr_complex(1.0, 0.0) : gr_complex(-1.0, 0.0);
+			i = conj(i);
-		gmsk_mapper(train_seq[i], N_TRAIN_BITS, d_norm_training_seq[i], startpoint);
+	}
-		for (auto &i : d_norm_training_seq[i])
+
-			i = conj(i);
+}
-	}
+
-}
+MULTI_VER_TARGET_ATTR
-
+void
-template <unsigned int burst_size>
+detect_burst(const gr_complex* input,
-NO_UBSAN static void detect_burst_generic(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start,
+	gr_complex* chan_imp_resp, int burst_start,
-					  char *output_binary, int ss)
+	unsigned char* output_binary)
-{
+{
-	std::vector<gr_complex> rhh_temp(CHAN_IMP_RESP_LENGTH * d_OSR);
+	std::vector<gr_complex> rhh_temp(CHAN_IMP_RESP_LENGTH * d_OSR);
-	unsigned int stop_states[2] = { 4, 12 };
+	unsigned int stop_states[2] = { 4, 12 };
-	gr_complex filtered_burst[burst_size];
+	gr_complex filtered_burst[BURST_SIZE];
-	gr_complex rhh[CHAN_IMP_RESP_LENGTH];
+	gr_complex rhh[CHAN_IMP_RESP_LENGTH];
-	float output[burst_size];
+	float output[BURST_SIZE];
-	int start_state = ss;
+	int start_state = 3;
-
+
-	autocorrelation(chan_imp_resp, &rhh_temp[0], d_chan_imp_length * d_OSR);
+	// if(burst_start < 0 ||burst_start > 10)
-	for (int ii = 0; ii < d_chan_imp_length; ii++)
+	// 	fprintf(stderr, "bo %d\n", burst_start);
-		rhh[ii] = conj(rhh_temp[ii * d_OSR]);
+
-
+	// burst_start = burst_start >= 0 ? burst_start : 0;
-	mafi(&input[burst_start], burst_size, chan_imp_resp, d_chan_imp_length * d_OSR, filtered_burst);
+
-
+	autocorrelation(chan_imp_resp, &rhh_temp[0], d_chan_imp_length * d_OSR);
-	viterbi_detector(filtered_burst, burst_size, rhh, start_state, stop_states, 2, output);
+	for (int ii = 0; ii < d_chan_imp_length; ii++)
-
+		rhh[ii] = conj(rhh_temp[ii * d_OSR]);
-	for (unsigned int i = 0; i < burst_size; i++)
+
-		output_binary[i] = output[i] > 0 ? -127 : 127; // pre flip bits!
+	mafi(&input[burst_start], BURST_SIZE, chan_imp_resp,
-}
+		d_chan_imp_length * d_OSR, filtered_burst);
-
+
-NO_UBSAN void detect_burst_nb(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, char *output_binary,
+	viterbi_detector(filtered_burst, BURST_SIZE, rhh,
-			      int ss)
+		start_state, stop_states, 2, output);
-{
+
-	return detect_burst_generic<BURST_SIZE>(input, chan_imp_resp, burst_start, output_binary, ss);
+	for (int i = 0; i < BURST_SIZE; i++)
-}
+		output_binary[i] = output[i] > 0;
-NO_UBSAN void detect_burst_ab(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, char *output_binary,
+}
-			      int ss)
+
-{
+int process_vita_burst(gr_complex* input, int tsc, unsigned char* output_binary) {
-	return detect_burst_generic<8 + 41 + 36 + 3>(input, chan_imp_resp, burst_start, output_binary, ss);
+	gr_complex channel_imp_resp[CHAN_IMP_RESP_LENGTH * d_OSR];
-}
+	int normal_burst_start, dummy_burst_start;
-
+	float dummy_corr_max, normal_corr_max;
-NO_UBSAN void detect_burst_nb(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, char *output_binary)
+
-{
+	dummy_burst_start = get_norm_chan_imp_resp(input,
-	return detect_burst_nb(input, chan_imp_resp, burst_start, output_binary, 3);
+		&channel_imp_resp[0], &dummy_corr_max, TS_DUMMY);
-}
+	normal_burst_start = get_norm_chan_imp_resp(input,
-NO_UBSAN void detect_burst_ab(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, char *output_binary)
+		&channel_imp_resp[0], &normal_corr_max, tsc);
-{
+
-	return detect_burst_ab(input, chan_imp_resp, burst_start, output_binary, 3);
+	if (normal_corr_max > dummy_corr_max) {
-}
+		/* Perform MLSE detection */
-
+		detect_burst(input, &channel_imp_resp[0],
-void gmsk_mapper(const unsigned char *input, int nitems, gr_complex *gmsk_output, gr_complex start_point)
+			normal_burst_start, output_binary);
-{
+		
-	gr_complex j = gr_complex(0.0, 1.0);
+		return 0;
-	gmsk_output[0] = start_point;
+
-
+	} else {
-	int previous_symbol = 2 * input[0] - 1;
+		memcpy(output_binary, dummy_burst, 148);
-	int current_symbol;
+		//std::cerr << std::endl << "#NOPE#" << dd.fpath << std::endl << std::endl;
-	int encoded_symbol;
+		return -1;
-
+	}
-	for (int i = 1; i < nitems; i++) {
+}
-		/* Change bits representation to NRZ */
+
-		current_symbol = 2 * input[i] - 1;
+int process_vita_sc_burst(gr_complex* input, int tsc, unsigned char* output_binary, int* offset) {
-
+	gr_complex channel_imp_resp[CHAN_IMP_RESP_LENGTH * d_OSR];
-		/* Differentially encode */
+
-		encoded_symbol = current_symbol * previous_symbol;
+	/* Get channel impulse response */
-
+	int d_c0_burst_start = get_sch_chan_imp_resp(input, &channel_imp_resp[0]);
-		/* And do GMSK mapping */
+	//	*offset = d_c0_burst_start;
-		gmsk_output[i] = j * gr_complex(encoded_symbol, 0.0) * gmsk_output[i - 1];
+	/* Perform MLSE detection */
-
+	detect_burst(input, &channel_imp_resp[0],
-		previous_symbol = current_symbol;
+	d_c0_burst_start, output_binary);
-	}
+
-}
+	return 0;
-
+}
-gr_complex correlate_sequence(const gr_complex *sequence, int length, const gr_complex *input)
+
-{
+void
-	gr_complex result(0.0, 0.0);
+gmsk_mapper(const unsigned char* input,
-
+	int nitems, gr_complex* gmsk_output, gr_complex start_point)
-	for (int ii = 0; ii < length; ii++)
+{
-		result += sequence[ii] * input[ii * d_OSR];
+	gr_complex j = gr_complex(0.0, 1.0);
-
+	gmsk_output[0] = start_point;
-	return conj(result) / gr_complex(length, 0);
+
-}
+	int previous_symbol = 2 * input[0] - 1;
-
+	int current_symbol;
-/* Computes autocorrelation for positive arguments */
+	int encoded_symbol;
-inline void autocorrelation(const gr_complex *input, gr_complex *out, int nitems)
+
-{
+	for (int i = 1; i < nitems; i++) {
-	for (int k = nitems - 1; k >= 0; k--) {
+		/* Change bits representation to NRZ */
-		out[k] = gr_complex(0, 0);
+		current_symbol = 2 * input[i] - 1;
-		for (int i = k; i < nitems; i++)
+
-			out[k] += input[i] * conj(input[i - k]);
+		/* Differentially encode */
-	}
+		encoded_symbol = current_symbol * previous_symbol;
-}
+
-
+		/* And do GMSK mapping */
-inline void mafi(const gr_complex *input, int nitems, gr_complex *filter, int filter_length, gr_complex *output)
+		gmsk_output[i] = j * gr_complex(encoded_symbol, 0.0)
-{
+			* gmsk_output[i - 1];
-	for (int n = 0; n < nitems; n++) {
+
-		int a = n * d_OSR;
+		previous_symbol = current_symbol;
-		output[n] = 0;
+	}
-
+}
-		for (int ii = 0; ii < filter_length; ii++) {
+
-			if ((a + ii) >= nitems * d_OSR)
+gr_complex
-				break;
+correlate_sequence(const gr_complex* sequence,
-
+	int length, const gr_complex* input)
-			output[n] += input[a + ii] * filter[ii];
+{
-		}
+	gr_complex result(0.0, 0.0);
-	}
+
-}
+	for (int ii = 0; ii < length; ii++)
-
+		result += sequence[ii] * input[ii * d_OSR];
-int get_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, int search_start_pos, int search_stop_pos,
+
-		      gr_complex *tseq, int tseqlen, float *corr_max)
+	return conj(result) / gr_complex(length, 0);
-{
+}
-	const int num_search_windows = search_stop_pos - search_start_pos;
+
-	const int power_search_window_len = d_chan_imp_length * d_OSR;
+/* Computes autocorrelation for positive arguments */
-	std::vector<float> window_energy_buffer;
+inline void
-	std::vector<float> power_buffer;
+autocorrelation(const gr_complex* input,
-	std::vector<gr_complex> correlation_buffer;
+	gr_complex* out, int nitems)
-
+{
-	power_buffer.reserve(num_search_windows);
+	for (int k = nitems - 1; k >= 0; k--) {
-	correlation_buffer.reserve(num_search_windows);
+		out[k] = gr_complex(0, 0);
-	window_energy_buffer.reserve(num_search_windows);
+		for (int i = k; i < nitems; i++)
-
+			out[k] += input[i] * conj(input[i - k]);
-	for (int ii = 0; ii < num_search_windows; ii++) {
+	}
-		gr_complex correlation = correlate_sequence(tseq, tseqlen, &input[search_start_pos + ii]);
+}
-		correlation_buffer.push_back(correlation);
+
-		power_buffer.push_back(std::pow(abs(correlation), 2));
+inline void
-	}
+mafi(const gr_complex* input, int nitems,
-
+	gr_complex* filter, int filter_length, gr_complex* output)
-	/* Compute window energies */
+{
-	float windowSum = 0;
+	for (int n = 0; n < nitems; n++) {
-
+		int a = n * d_OSR;
-	// first window
+		output[n] = 0;
-	for (int i = 0; i < power_search_window_len; i++) {
+
-		windowSum += power_buffer[i];
+		for (int ii = 0; ii < filter_length; ii++) {
-	}
+			if ((a + ii) >= nitems * d_OSR)
-	window_energy_buffer.push_back(windowSum);
+				break;
-
+
-	// slide windows
+			output[n] += input[a + ii] * filter[ii];
-	for (int i = power_search_window_len; i < num_search_windows; i++) {
+		}
-		windowSum += power_buffer[i] - power_buffer[i - power_search_window_len];
+	}
-		window_energy_buffer.push_back(windowSum);
+}
-	}
+
-
+int get_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, int search_center, int search_start_pos,
-	int strongest_window_nr = std::max_element(window_energy_buffer.begin(), window_energy_buffer.end()) -
+		      int search_stop_pos, gr_complex *tseq, int tseqlen, float *corr_max)
-				  window_energy_buffer.begin();
+{
-
+	std::vector<gr_complex> correlation_buffer;
-	float max_correlation = 0;
+	std::vector<float> window_energy_buffer;
-	for (int ii = 0; ii < power_search_window_len; ii++) {
+	std::vector<float> power_buffer;
-		gr_complex correlation = correlation_buffer[strongest_window_nr + ii];
+
-		if (abs(correlation) > max_correlation)
+	for (int ii = search_start_pos; ii < search_stop_pos; ii++) {
-			max_correlation = abs(correlation);
+		gr_complex correlation = correlate_sequence(tseq, tseqlen, &input[ii]);
-		chan_imp_resp[ii] = correlation;
+		correlation_buffer.push_back(correlation);
-	}
+		power_buffer.push_back(std::pow(abs(correlation), 2));
-
+	}
-	*corr_max = max_correlation;
+
-
+	int strongest_corr_nr = max_element(power_buffer.begin(), power_buffer.end()) - power_buffer.begin();
-	/**
+
-	 * Compute first sample position, which corresponds
+	/* Compute window energies */
-	 * to the first sample of the impulse response
+	auto window_energy_start_offset = strongest_corr_nr - 6 * d_OSR;
-	 */
+	window_energy_start_offset = window_energy_start_offset < 0 ? 0 : window_energy_start_offset; //can end up out of range..
-	return search_start_pos + strongest_window_nr;
+	auto window_energy_end_offset = strongest_corr_nr + 6 * d_OSR + d_chan_imp_length * d_OSR;
-}
+	auto iter = power_buffer.begin() + window_energy_start_offset;
-
+	auto iter_end = power_buffer.begin() + window_energy_end_offset;
-/*
+	while (iter != iter_end) {
-8 ext tail bits
+		std::vector<float>::iterator iter_ii = iter;
-41 sync seq
+		bool loop_end = false;
-36 encrypted bits
+		float energy = 0;
-3 tail bits
+
-68.25 extended tail bits (!)
+		int len = d_chan_imp_length * d_OSR;
-
+		for (int ii = 0; ii < len; ii++, iter_ii++) {
-center at 8+5 (actually known tb -> known isi, start at 8?) FIXME
+			if (iter_ii == power_buffer.end()) {
-*/
+				loop_end = true;
-int get_access_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, float *corr_max, int max_delay)
+				break;
-{
+			}
-	const int search_center = 8 + 5;
+
-	const int search_start_pos = (search_center - 5) * d_OSR + 1;
+			energy += (*iter_ii);
-	const int search_stop_pos = (search_center + 5 + d_chan_imp_length + max_delay) * d_OSR;
+		}
-	const auto tseq = &d_acc_training_seq[TRAIN_BEGINNING];
+
-	const auto tseqlen = N_ACCESS_BITS - (2 * TRAIN_BEGINNING);
+		if (loop_end)
-	return get_chan_imp_resp(input, chan_imp_resp, search_start_pos, search_stop_pos, tseq, tseqlen, corr_max) -
+			break;
-	       search_center * d_OSR;
+
-}
+		window_energy_buffer.push_back(energy);
-
+		iter++;
-/*
+	}
-
+
-3 + 57 + 1 + 26 + 1 + 57 + 3 + 8.25
+	/* Calculate the strongest window number */
-
+	int strongest_window_nr = window_energy_start_offset +
-search center = 3 + 57 + 1 + 5 (due to tsc 5+16+5 split)
+				  max_element(window_energy_buffer.begin(), window_energy_buffer.end()) -
-this is +-5 samples around (+5 beginning) of truncated t16 tsc
+				  window_energy_buffer.begin();
-
+
-*/
+	// auto window_search_start = window_energy_buffer.begin() + strongest_corr_nr - 5* d_OSR;
-int get_norm_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, float *corr_max, int bcc)
+	// auto window_search_end = window_energy_buffer.begin() + strongest_corr_nr + 10* d_OSR;
-{
+	// window_search_end = window_search_end >= window_energy_buffer.end() ? window_energy_buffer.end() : window_search_end;
-	const int search_center = TRAIN_POS;
+
-	const int search_start_pos = (search_center - 5) * d_OSR + 1;
+	// /* Calculate the strongest window number */
-	const int search_stop_pos = (search_center + 5 + d_chan_imp_length) * d_OSR;
+	// int strongest_window_nr = max_element(window_search_start, window_search_end /* - d_chan_imp_length * d_OSR*/) - window_energy_buffer.begin();
-	const auto tseq = &d_norm_training_seq[bcc][TRAIN_BEGINNING];
+
-	const auto tseqlen = N_TRAIN_BITS - (2 * TRAIN_BEGINNING);
+	// if (strongest_window_nr < 0)
-	return get_chan_imp_resp(input, chan_imp_resp, search_start_pos, search_stop_pos, tseq, tseqlen, corr_max) -
+	// 	strongest_window_nr = 0;
-	       search_center * d_OSR;
+
-}
+	float max_correlation = 0;
-
+	for (int ii = 0; ii < d_chan_imp_length * d_OSR; ii++) {
-/*
+		gr_complex correlation = correlation_buffer[strongest_window_nr + ii];
-
+		if (abs(correlation) > max_correlation)
-3 tail | 39 data | 64 tsc | 39 data | 3 tail | 8.25 guard
+			max_correlation = abs(correlation);
-start 3+39 - 10
+		chan_imp_resp[ii] = correlation;
-end 3+39 + SYNC_SEARCH_RANGE
+	}
-
+
-*/
+	*corr_max = max_correlation;
-int get_sch_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp)
+
-{
+	/**
-	const int search_center = SYNC_POS + TRAIN_BEGINNING;
+	 * Compute first sample position, which corresponds
-	const int search_start_pos = (search_center - 10) * d_OSR;
+	 * to the first sample of the impulse response
-	const int search_stop_pos = (search_center + SYNC_SEARCH_RANGE) * d_OSR;
+	 */
-	const auto tseq = &d_sch_training_seq[TRAIN_BEGINNING];
+	return search_start_pos + strongest_window_nr - search_center * d_OSR;
-	const auto tseqlen = N_SYNC_BITS - (2 * TRAIN_BEGINNING);
+}
-
+
-	// strongest_window_nr + chan_imp_resp_center + SYNC_POS *d_OSR - 48 * d_OSR - 2 * d_OSR + 2 ;
+/*
-	float corr_max;
+
-	return get_chan_imp_resp(input, chan_imp_resp, search_start_pos, search_stop_pos, tseq, tseqlen, &corr_max) -
+3 + 57 + 1 + 26 + 1 + 57 + 3 + 8.25
-	       search_center * d_OSR;
+
-	;
+search center = 3 + 57 + 1 + 5 (due to tsc 5+16+5 split)
-}
+this is +-5 samples around (+5 beginning) of truncated t16 tsc
-
+
-int get_sch_buffer_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, unsigned int len, float *corr_max)
+*/
-{
+int get_norm_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, float *corr_max, int bcc)
-	const auto tseqlen = N_SYNC_BITS - (2 * TRAIN_BEGINNING);
+{
-	const int search_center = SYNC_POS + TRAIN_BEGINNING;
+	const int search_center = TRAIN_POS;
-	const int search_start_pos = 0;
+	const int search_start_pos = (search_center - 5) * d_OSR + 1;
-	// FIXME: proper end offset
+	const int search_stop_pos = (search_center + 5 + d_chan_imp_length) * d_OSR;
-	const int search_stop_pos = len - (N_SYNC_BITS * 8);
+	const auto tseq = &d_norm_training_seq[bcc][TRAIN_BEGINNING];
-	auto tseq = &d_sch_training_seq[TRAIN_BEGINNING];
+	const auto tseqlen = N_TRAIN_BITS - (2 * TRAIN_BEGINNING);
-
+	return get_chan_imp_resp(input, chan_imp_resp, search_center, search_start_pos, search_stop_pos, tseq, tseqlen,
-	return get_chan_imp_resp(input, chan_imp_resp, search_start_pos, search_stop_pos, tseq, tseqlen, corr_max) -
+				 corr_max);
-	       search_center * d_OSR;
+}
+
+/*
+
+3 tail | 39 data | 64 tsc | 39 data | 3 tail | 8.25 guard
+start 3+39 - 10
+end 3+39 + SYNC_SEARCH_RANGE
+
+*/
+int get_sch_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp)
+{
+	const int search_center = SYNC_POS + TRAIN_BEGINNING;
+	const int search_start_pos = (search_center - 10) * d_OSR;
+	const int search_stop_pos = (search_center + SYNC_SEARCH_RANGE) * d_OSR;
+	const auto tseq = &d_sch_training_seq[TRAIN_BEGINNING];
+	const auto tseqlen = N_SYNC_BITS - (2 * TRAIN_BEGINNING);
+
+	// strongest_window_nr + chan_imp_resp_center + SYNC_POS *d_OSR - 48 * d_OSR - 2 * d_OSR + 2 ;
+	float corr_max;
+	return get_chan_imp_resp(input, chan_imp_resp, search_center, search_start_pos, search_stop_pos, tseq, tseqlen,
+				 &corr_max);
+}
+
+int get_sch_buffer_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, unsigned int len, float *corr_max)
+{
+	const auto tseqlen = N_SYNC_BITS - (2 * TRAIN_BEGINNING);
+	const int search_center = SYNC_POS + TRAIN_BEGINNING;
+	const int search_start_pos = 0;
+	// FIXME: proper end offset
+	const int search_stop_pos = len - (N_SYNC_BITS*8);
+	auto tseq = &d_sch_training_seq[TRAIN_BEGINNING];
+
+	return get_chan_imp_resp(input, chan_imp_resp, search_center, search_start_pos, search_stop_pos, tseq, tseqlen,
+				 corr_max);
 }

Transceiver52M/grgsm_vitac/grgsm_vitac.h

@@ -1,60 +1,17 @@
+
 #pragma once
-/* -*- c++ -*- */
-/*
- * @file
- * @author (C) 2009-2017  by Piotr Krysik <ptrkrysik@gmail.com>
- * @section LICENSE
- *
- * Gr-gsm is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- *
- * Gr-gsm is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with gr-gsm; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
 
 #include <vector>
 #include "constants.h"
 
-/* may only be used for for the DEFINITIONS!
-* see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91664
-*/
 #if defined(__has_attribute)
-#if __has_attribute(target_clones) && defined(__x86_64) && true
+#if __has_attribute(target_clones) && defined(__x86_64) && false
 #define MULTI_VER_TARGET_ATTR __attribute__((target_clones("avx", "sse4.2", "sse3", "sse2", "sse", "default")))
 #else
 #define MULTI_VER_TARGET_ATTR
 #endif
 #endif
 
-/* ... but apparently clang disagrees... */
-#if defined(__clang__)
-#define MULTI_VER_TARGET_ATTR_CLANGONLY MULTI_VER_TARGET_ATTR
-#else
-#define MULTI_VER_TARGET_ATTR_CLANGONLY
-#endif
-
-/* ancient gcc < 8 has no attribute, clang always pretends to be gcc 4 */
-#if !defined(__clang__) && __GNUC__ < 8
-#define NO_UBSAN __attribute__((no_sanitize_undefined))
-#else
-#if defined(__has_attribute)
-#if __has_attribute(no_sanitize)
-#define NO_UBSAN __attribute__((no_sanitize("undefined")))
-#endif
-#else
-#define NO_UBSAN
-#endif
-#endif
-
 #define SYNC_SEARCH_RANGE 30
 const int d_OSR(4);
 
@@ -63,11 +20,8 @@ void initvita();
 int process_vita_burst(gr_complex *input, int tsc, unsigned char *output_binary);
 int process_vita_sc_burst(gr_complex *input, int tsc, unsigned char *output_binary, int *offset);
 
-void detect_burst_nb(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, char *output_binary, int ss);
+MULTI_VER_TARGET_ATTR
-void detect_burst_ab(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, char *output_binary, int ss);
+void detect_burst(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, unsigned char *output_binary);
-void detect_burst_nb(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, char *output_binary);
-void detect_burst_ab(const gr_complex *input, gr_complex *chan_imp_resp, int burst_start, char *output_binary);
-
 void gmsk_mapper(const unsigned char *input, int nitems, gr_complex *gmsk_output, gr_complex start_point);
 gr_complex correlate_sequence(const gr_complex *sequence, int length, const gr_complex *input);
 inline void autocorrelation(const gr_complex *input, gr_complex *out, int nitems);
@@ -75,7 +29,6 @@ inline void mafi(const gr_complex *input, int nitems, gr_complex *filter, int fi
 int get_sch_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp);
 int get_norm_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, float *corr_max, int bcc);
 int get_sch_buffer_chan_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, unsigned int len, float *corr_max);
-int get_access_imp_resp(const gr_complex *input, gr_complex *chan_imp_resp, float *corr_max, int max_delay);
 
 enum class btype { NB, SCH };
 struct fdata {

Transceiver52M/grgsm_vitac/viterbi_detector.cc

@@ -1,392 +1,392 @@
-/* -*- c++ -*- */
+/* -*- c++ -*- */
-/*
+/*
- * @file
+ * @file
- * @author (C) 2009 by Piotr Krysik <ptrkrysik@gmail.com>
+ * @author (C) 2009 by Piotr Krysik <ptrkrysik@gmail.com>
- * @section LICENSE
+ * @section LICENSE
- *
+ *
- * Gr-gsm is free software; you can redistribute it and/or modify
+ * Gr-gsm is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
+ * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
+ * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * any later version.
- *
+ *
- * Gr-gsm is distributed in the hope that it will be useful,
+ * Gr-gsm is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * GNU General Public License for more details.
- *
+ *
- * You should have received a copy of the GNU General Public License
+ * You should have received a copy of the GNU General Public License
- * along with gr-gsm; see the file COPYING.  If not, write to
+ * along with gr-gsm; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
+ * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
+ * Boston, MA 02110-1301, USA.
- */
+ */
-
+
-/*
+/*
- * viterbi_detector:
+ * viterbi_detector:
- *           This part does the detection of received sequnece.
+ *           This part does the detection of received sequnece.
- *           Employed algorithm is viterbi Maximum Likehood Sequence Estimation.
+ *           Employed algorithm is viterbi Maximum Likehood Sequence Estimation.
- *           At this moment it gives hard decisions on the output, but
+ *           At this moment it gives hard decisions on the output, but
- *           it was designed with soft decisions in mind.
+ *           it was designed with soft decisions in mind.
- *
+ *
- * SYNTAX:   void viterbi_detector(
+ * SYNTAX:   void viterbi_detector(
- *                                  const gr_complex * input, 
+ *                                  const gr_complex * input, 
- *                                  unsigned int samples_num, 
+ *                                  unsigned int samples_num, 
- *                                  gr_complex * rhh, 
+ *                                  gr_complex * rhh, 
- *                                  unsigned int start_state, 
+ *                                  unsigned int start_state, 
- *                                  const unsigned int * stop_states, 
+ *                                  const unsigned int * stop_states, 
- *                                  unsigned int stops_num, 
+ *                                  unsigned int stops_num, 
- *                                  float * output)
+ *                                  float * output)
- *
+ *
- * INPUT:    input:       Complex received signal afted matched filtering.
+ * INPUT:    input:       Complex received signal afted matched filtering.
- *           samples_num: Number of samples in the input table.
+ *           samples_num: Number of samples in the input table.
- *           rhh:         The autocorrelation of the estimated channel 
+ *           rhh:         The autocorrelation of the estimated channel 
- *                        impulse response.
+ *                        impulse response.
- *           start_state: Number of the start point. In GSM each burst 
+ *           start_state: Number of the start point. In GSM each burst 
- *                        starts with sequence of three bits (0,0,0) which 
+ *                        starts with sequence of three bits (0,0,0) which 
- *                        indicates start point of the algorithm.
+ *                        indicates start point of the algorithm.
- *           stop_states: Table with numbers of possible stop states.
+ *           stop_states: Table with numbers of possible stop states.
- *           stops_num:   Number of possible stop states
+ *           stops_num:   Number of possible stop states
- *                     
+ *                     
- *
+ *
- * OUTPUT:   output:      Differentially decoded hard output of the algorithm: 
+ * OUTPUT:   output:      Differentially decoded hard output of the algorithm: 
- *                        -1 for logical "0" and 1 for logical "1"
+ *                        -1 for logical "0" and 1 for logical "1"
- *
+ *
- * SUB_FUNC: none
+ * SUB_FUNC: none
- *
+ *
- * TEST(S):  Tested with real world normal burst.
+ * TEST(S):  Tested with real world normal burst.
- */
+ */
-
+
-#include "constants.h"
+#include "constants.h"
-#include <cmath>
+#include <cmath>
-
+
-#define PATHS_NUM (1 << (CHAN_IMP_RESP_LENGTH-1))
+#define PATHS_NUM (1 << (CHAN_IMP_RESP_LENGTH-1))
-
+
-void viterbi_detector(const gr_complex * input, unsigned int samples_num, gr_complex * rhh, unsigned int start_state, const unsigned int * stop_states, unsigned int stops_num, float * output)
+void viterbi_detector(const gr_complex * input, unsigned int samples_num, gr_complex * rhh, unsigned int start_state, const unsigned int * stop_states, unsigned int stops_num, float * output)
-{
+{
-   float increment[8];
+   float increment[8];
-   float path_metrics1[16];
+   float path_metrics1[16];
-   float path_metrics2[16];
+   float path_metrics2[16];
-   float paths_difference;
+   float paths_difference;
-   float * new_path_metrics;
+   float * new_path_metrics;
-   float * old_path_metrics;
+   float * old_path_metrics;
-   float * tmp;
+   float * tmp;
-   float trans_table[BURST_SIZE][16];
+   float trans_table[BURST_SIZE][16];
-   float pm_candidate1, pm_candidate2;
+   float pm_candidate1, pm_candidate2;
-   bool real_imag;
+   bool real_imag;
-   float input_symbol_real, input_symbol_imag;
+   float input_symbol_real, input_symbol_imag;
-   unsigned int i, sample_nr;
+   unsigned int i, sample_nr;
-
+
-/*
+/*
-* Setup first path metrics, so only state pointed by start_state is possible.
+* Setup first path metrics, so only state pointed by start_state is possible.
-* Start_state metric is equal to zero, the rest is written with some very low value,
+* Start_state metric is equal to zero, the rest is written with some very low value,
-* which makes them practically impossible to occur.
+* which makes them practically impossible to occur.
-*/
+*/
-   for(i=0; i<PATHS_NUM; i++){
+   for(i=0; i<PATHS_NUM; i++){
-      path_metrics1[i]=(-10e30);
+      path_metrics1[i]=(-10e30);
-   }
+   }
-   path_metrics1[start_state]=0;
+   path_metrics1[start_state]=0;
-
+
-/*
+/*
-* Compute Increment - a table of values which does not change for subsequent input samples.
+* Compute Increment - a table of values which does not change for subsequent input samples.
-* Increment is table of reference levels for computation of branch metrics:
+* Increment is table of reference levels for computation of branch metrics:
-*    branch metric = (+/-)received_sample (+/-) reference_level
+*    branch metric = (+/-)received_sample (+/-) reference_level
-*/
+*/
-   increment[0] = -rhh[1].imag() -rhh[2].real() -rhh[3].imag() +rhh[4].real();
+   increment[0] = -rhh[1].imag() -rhh[2].real() -rhh[3].imag() +rhh[4].real();
-   increment[1] = rhh[1].imag() -rhh[2].real() -rhh[3].imag() +rhh[4].real();
+   increment[1] = rhh[1].imag() -rhh[2].real() -rhh[3].imag() +rhh[4].real();
-   increment[2] = -rhh[1].imag() +rhh[2].real() -rhh[3].imag() +rhh[4].real();
+   increment[2] = -rhh[1].imag() +rhh[2].real() -rhh[3].imag() +rhh[4].real();
-   increment[3] = rhh[1].imag() +rhh[2].real() -rhh[3].imag() +rhh[4].real();
+   increment[3] = rhh[1].imag() +rhh[2].real() -rhh[3].imag() +rhh[4].real();
-   increment[4] = -rhh[1].imag() -rhh[2].real() +rhh[3].imag() +rhh[4].real();
+   increment[4] = -rhh[1].imag() -rhh[2].real() +rhh[3].imag() +rhh[4].real();
-   increment[5] = rhh[1].imag() -rhh[2].real() +rhh[3].imag() +rhh[4].real();
+   increment[5] = rhh[1].imag() -rhh[2].real() +rhh[3].imag() +rhh[4].real();
-   increment[6] = -rhh[1].imag() +rhh[2].real() +rhh[3].imag() +rhh[4].real();
+   increment[6] = -rhh[1].imag() +rhh[2].real() +rhh[3].imag() +rhh[4].real();
-   increment[7] = rhh[1].imag() +rhh[2].real() +rhh[3].imag() +rhh[4].real();
+   increment[7] = rhh[1].imag() +rhh[2].real() +rhh[3].imag() +rhh[4].real();
-
+
-
+
-/*
+/*
-* Computation of path metrics and decisions (Add-Compare-Select).
+* Computation of path metrics and decisions (Add-Compare-Select).
-* It's composed of two parts: one for odd input samples (imaginary numbers)
+* It's composed of two parts: one for odd input samples (imaginary numbers)
-* and one for even samples (real numbers).
+* and one for even samples (real numbers).
-* Each part is composed of independent (parallelisable) statements like  
+* Each part is composed of independent (parallelisable) statements like  
-* this one:
+* this one:
-*      pm_candidate1 = old_path_metrics[0] -input_symbol_imag +increment[2];
+*      pm_candidate1 = old_path_metrics[0] -input_symbol_imag +increment[2];
-*      pm_candidate2 = old_path_metrics[8] -input_symbol_imag -increment[5];
+*      pm_candidate2 = old_path_metrics[8] -input_symbol_imag -increment[5];
-*      paths_difference=pm_candidate2-pm_candidate1;
+*      paths_difference=pm_candidate2-pm_candidate1;
-*      new_path_metrics[1]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+*      new_path_metrics[1]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-*      trans_table[sample_nr][1] = paths_difference;
+*      trans_table[sample_nr][1] = paths_difference;
-* This is very good point for optimisations (SIMD or OpenMP) as it's most time 
+* This is very good point for optimisations (SIMD or OpenMP) as it's most time 
-* consuming part of this function. 
+* consuming part of this function. 
-*/
+*/
-   sample_nr=0;
+   sample_nr=0;
-   old_path_metrics=path_metrics1;
+   old_path_metrics=path_metrics1;
-   new_path_metrics=path_metrics2;
+   new_path_metrics=path_metrics2;
-   while(sample_nr<samples_num){
+   while(sample_nr<samples_num){
-      //Processing imag states
+      //Processing imag states
-      real_imag=1;
+      real_imag=1;
-      input_symbol_imag = input[sample_nr].imag();
+      input_symbol_imag = input[sample_nr].imag();
-
+
-      pm_candidate1 = old_path_metrics[0] +input_symbol_imag -increment[2];
+      pm_candidate1 = old_path_metrics[0] +input_symbol_imag -increment[2];
-      pm_candidate2 = old_path_metrics[8] +input_symbol_imag +increment[5];
+      pm_candidate2 = old_path_metrics[8] +input_symbol_imag +increment[5];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[0]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[0]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][0] = paths_difference;
+      trans_table[sample_nr][0] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[0] -input_symbol_imag +increment[2];
+      pm_candidate1 = old_path_metrics[0] -input_symbol_imag +increment[2];
-      pm_candidate2 = old_path_metrics[8] -input_symbol_imag -increment[5];
+      pm_candidate2 = old_path_metrics[8] -input_symbol_imag -increment[5];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[1]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[1]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][1] = paths_difference;
+      trans_table[sample_nr][1] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[1] +input_symbol_imag -increment[3];
+      pm_candidate1 = old_path_metrics[1] +input_symbol_imag -increment[3];
-      pm_candidate2 = old_path_metrics[9] +input_symbol_imag +increment[4];
+      pm_candidate2 = old_path_metrics[9] +input_symbol_imag +increment[4];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[2]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[2]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][2] = paths_difference;
+      trans_table[sample_nr][2] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[1] -input_symbol_imag +increment[3];
+      pm_candidate1 = old_path_metrics[1] -input_symbol_imag +increment[3];
-      pm_candidate2 = old_path_metrics[9] -input_symbol_imag -increment[4];
+      pm_candidate2 = old_path_metrics[9] -input_symbol_imag -increment[4];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[3]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[3]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][3] = paths_difference;
+      trans_table[sample_nr][3] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[2] +input_symbol_imag -increment[0];
+      pm_candidate1 = old_path_metrics[2] +input_symbol_imag -increment[0];
-      pm_candidate2 = old_path_metrics[10] +input_symbol_imag +increment[7];
+      pm_candidate2 = old_path_metrics[10] +input_symbol_imag +increment[7];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[4]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[4]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][4] = paths_difference;
+      trans_table[sample_nr][4] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[2] -input_symbol_imag +increment[0];
+      pm_candidate1 = old_path_metrics[2] -input_symbol_imag +increment[0];
-      pm_candidate2 = old_path_metrics[10] -input_symbol_imag -increment[7];
+      pm_candidate2 = old_path_metrics[10] -input_symbol_imag -increment[7];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[5]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[5]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][5] = paths_difference;
+      trans_table[sample_nr][5] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[3] +input_symbol_imag -increment[1];
+      pm_candidate1 = old_path_metrics[3] +input_symbol_imag -increment[1];
-      pm_candidate2 = old_path_metrics[11] +input_symbol_imag +increment[6];
+      pm_candidate2 = old_path_metrics[11] +input_symbol_imag +increment[6];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[6]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[6]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][6] = paths_difference;
+      trans_table[sample_nr][6] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[3] -input_symbol_imag +increment[1];
+      pm_candidate1 = old_path_metrics[3] -input_symbol_imag +increment[1];
-      pm_candidate2 = old_path_metrics[11] -input_symbol_imag -increment[6];
+      pm_candidate2 = old_path_metrics[11] -input_symbol_imag -increment[6];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[7]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[7]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][7] = paths_difference;
+      trans_table[sample_nr][7] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[4] +input_symbol_imag -increment[6];
+      pm_candidate1 = old_path_metrics[4] +input_symbol_imag -increment[6];
-      pm_candidate2 = old_path_metrics[12] +input_symbol_imag +increment[1];
+      pm_candidate2 = old_path_metrics[12] +input_symbol_imag +increment[1];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[8]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[8]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][8] = paths_difference;
+      trans_table[sample_nr][8] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[4] -input_symbol_imag +increment[6];
+      pm_candidate1 = old_path_metrics[4] -input_symbol_imag +increment[6];
-      pm_candidate2 = old_path_metrics[12] -input_symbol_imag -increment[1];
+      pm_candidate2 = old_path_metrics[12] -input_symbol_imag -increment[1];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[9]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[9]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][9] = paths_difference;
+      trans_table[sample_nr][9] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[5] +input_symbol_imag -increment[7];
+      pm_candidate1 = old_path_metrics[5] +input_symbol_imag -increment[7];
-      pm_candidate2 = old_path_metrics[13] +input_symbol_imag +increment[0];
+      pm_candidate2 = old_path_metrics[13] +input_symbol_imag +increment[0];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[10]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[10]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][10] = paths_difference;
+      trans_table[sample_nr][10] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[5] -input_symbol_imag +increment[7];
+      pm_candidate1 = old_path_metrics[5] -input_symbol_imag +increment[7];
-      pm_candidate2 = old_path_metrics[13] -input_symbol_imag -increment[0];
+      pm_candidate2 = old_path_metrics[13] -input_symbol_imag -increment[0];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[11]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[11]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][11] = paths_difference;
+      trans_table[sample_nr][11] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[6] +input_symbol_imag -increment[4];
+      pm_candidate1 = old_path_metrics[6] +input_symbol_imag -increment[4];
-      pm_candidate2 = old_path_metrics[14] +input_symbol_imag +increment[3];
+      pm_candidate2 = old_path_metrics[14] +input_symbol_imag +increment[3];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[12]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[12]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][12] = paths_difference;
+      trans_table[sample_nr][12] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[6] -input_symbol_imag +increment[4];
+      pm_candidate1 = old_path_metrics[6] -input_symbol_imag +increment[4];
-      pm_candidate2 = old_path_metrics[14] -input_symbol_imag -increment[3];
+      pm_candidate2 = old_path_metrics[14] -input_symbol_imag -increment[3];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[13]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[13]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][13] = paths_difference;
+      trans_table[sample_nr][13] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[7] +input_symbol_imag -increment[5];
+      pm_candidate1 = old_path_metrics[7] +input_symbol_imag -increment[5];
-      pm_candidate2 = old_path_metrics[15] +input_symbol_imag +increment[2];
+      pm_candidate2 = old_path_metrics[15] +input_symbol_imag +increment[2];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[14]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[14]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][14] = paths_difference;
+      trans_table[sample_nr][14] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[7] -input_symbol_imag +increment[5];
+      pm_candidate1 = old_path_metrics[7] -input_symbol_imag +increment[5];
-      pm_candidate2 = old_path_metrics[15] -input_symbol_imag -increment[2];
+      pm_candidate2 = old_path_metrics[15] -input_symbol_imag -increment[2];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[15]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[15]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][15] = paths_difference;
+      trans_table[sample_nr][15] = paths_difference;
-      tmp=old_path_metrics;
+      tmp=old_path_metrics;
-      old_path_metrics=new_path_metrics;
+      old_path_metrics=new_path_metrics;
-      new_path_metrics=tmp;
+      new_path_metrics=tmp;
-
+
-      sample_nr++;
+      sample_nr++;
-      if(sample_nr==samples_num)
+      if(sample_nr==samples_num)
-         break;
+         break;
-
+
-      //Processing real states
+      //Processing real states
-      real_imag=0;
+      real_imag=0;
-      input_symbol_real = input[sample_nr].real();
+      input_symbol_real = input[sample_nr].real();
-
+
-      pm_candidate1 = old_path_metrics[0] -input_symbol_real -increment[7];
+      pm_candidate1 = old_path_metrics[0] -input_symbol_real -increment[7];
-      pm_candidate2 = old_path_metrics[8] -input_symbol_real +increment[0];
+      pm_candidate2 = old_path_metrics[8] -input_symbol_real +increment[0];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[0]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[0]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][0] = paths_difference;
+      trans_table[sample_nr][0] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[0] +input_symbol_real +increment[7];
+      pm_candidate1 = old_path_metrics[0] +input_symbol_real +increment[7];
-      pm_candidate2 = old_path_metrics[8] +input_symbol_real -increment[0];
+      pm_candidate2 = old_path_metrics[8] +input_symbol_real -increment[0];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[1]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[1]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][1] = paths_difference;
+      trans_table[sample_nr][1] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[1] -input_symbol_real -increment[6];
+      pm_candidate1 = old_path_metrics[1] -input_symbol_real -increment[6];
-      pm_candidate2 = old_path_metrics[9] -input_symbol_real +increment[1];
+      pm_candidate2 = old_path_metrics[9] -input_symbol_real +increment[1];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[2]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[2]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][2] = paths_difference;
+      trans_table[sample_nr][2] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[1] +input_symbol_real +increment[6];
+      pm_candidate1 = old_path_metrics[1] +input_symbol_real +increment[6];
-      pm_candidate2 = old_path_metrics[9] +input_symbol_real -increment[1];
+      pm_candidate2 = old_path_metrics[9] +input_symbol_real -increment[1];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[3]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[3]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][3] = paths_difference;
+      trans_table[sample_nr][3] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[2] -input_symbol_real -increment[5];
+      pm_candidate1 = old_path_metrics[2] -input_symbol_real -increment[5];
-      pm_candidate2 = old_path_metrics[10] -input_symbol_real +increment[2];
+      pm_candidate2 = old_path_metrics[10] -input_symbol_real +increment[2];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[4]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[4]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][4] = paths_difference;
+      trans_table[sample_nr][4] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[2] +input_symbol_real +increment[5];
+      pm_candidate1 = old_path_metrics[2] +input_symbol_real +increment[5];
-      pm_candidate2 = old_path_metrics[10] +input_symbol_real -increment[2];
+      pm_candidate2 = old_path_metrics[10] +input_symbol_real -increment[2];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[5]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[5]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][5] = paths_difference;
+      trans_table[sample_nr][5] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[3] -input_symbol_real -increment[4];
+      pm_candidate1 = old_path_metrics[3] -input_symbol_real -increment[4];
-      pm_candidate2 = old_path_metrics[11] -input_symbol_real +increment[3];
+      pm_candidate2 = old_path_metrics[11] -input_symbol_real +increment[3];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[6]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[6]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][6] = paths_difference;
+      trans_table[sample_nr][6] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[3] +input_symbol_real +increment[4];
+      pm_candidate1 = old_path_metrics[3] +input_symbol_real +increment[4];
-      pm_candidate2 = old_path_metrics[11] +input_symbol_real -increment[3];
+      pm_candidate2 = old_path_metrics[11] +input_symbol_real -increment[3];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[7]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[7]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][7] = paths_difference;
+      trans_table[sample_nr][7] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[4] -input_symbol_real -increment[3];
+      pm_candidate1 = old_path_metrics[4] -input_symbol_real -increment[3];
-      pm_candidate2 = old_path_metrics[12] -input_symbol_real +increment[4];
+      pm_candidate2 = old_path_metrics[12] -input_symbol_real +increment[4];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[8]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[8]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][8] = paths_difference;
+      trans_table[sample_nr][8] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[4] +input_symbol_real +increment[3];
+      pm_candidate1 = old_path_metrics[4] +input_symbol_real +increment[3];
-      pm_candidate2 = old_path_metrics[12] +input_symbol_real -increment[4];
+      pm_candidate2 = old_path_metrics[12] +input_symbol_real -increment[4];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[9]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[9]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][9] = paths_difference;
+      trans_table[sample_nr][9] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[5] -input_symbol_real -increment[2];
+      pm_candidate1 = old_path_metrics[5] -input_symbol_real -increment[2];
-      pm_candidate2 = old_path_metrics[13] -input_symbol_real +increment[5];
+      pm_candidate2 = old_path_metrics[13] -input_symbol_real +increment[5];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[10]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[10]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][10] = paths_difference;
+      trans_table[sample_nr][10] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[5] +input_symbol_real +increment[2];
+      pm_candidate1 = old_path_metrics[5] +input_symbol_real +increment[2];
-      pm_candidate2 = old_path_metrics[13] +input_symbol_real -increment[5];
+      pm_candidate2 = old_path_metrics[13] +input_symbol_real -increment[5];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[11]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[11]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][11] = paths_difference;
+      trans_table[sample_nr][11] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[6] -input_symbol_real -increment[1];
+      pm_candidate1 = old_path_metrics[6] -input_symbol_real -increment[1];
-      pm_candidate2 = old_path_metrics[14] -input_symbol_real +increment[6];
+      pm_candidate2 = old_path_metrics[14] -input_symbol_real +increment[6];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[12]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[12]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][12] = paths_difference;
+      trans_table[sample_nr][12] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[6] +input_symbol_real +increment[1];
+      pm_candidate1 = old_path_metrics[6] +input_symbol_real +increment[1];
-      pm_candidate2 = old_path_metrics[14] +input_symbol_real -increment[6];
+      pm_candidate2 = old_path_metrics[14] +input_symbol_real -increment[6];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[13]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[13]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][13] = paths_difference;
+      trans_table[sample_nr][13] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[7] -input_symbol_real -increment[0];
+      pm_candidate1 = old_path_metrics[7] -input_symbol_real -increment[0];
-      pm_candidate2 = old_path_metrics[15] -input_symbol_real +increment[7];
+      pm_candidate2 = old_path_metrics[15] -input_symbol_real +increment[7];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[14]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[14]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][14] = paths_difference;
+      trans_table[sample_nr][14] = paths_difference;
-
+
-      pm_candidate1 = old_path_metrics[7] +input_symbol_real +increment[0];
+      pm_candidate1 = old_path_metrics[7] +input_symbol_real +increment[0];
-      pm_candidate2 = old_path_metrics[15] +input_symbol_real -increment[7];
+      pm_candidate2 = old_path_metrics[15] +input_symbol_real -increment[7];
-      paths_difference=pm_candidate2-pm_candidate1;
+      paths_difference=pm_candidate2-pm_candidate1;
-      new_path_metrics[15]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
+      new_path_metrics[15]=(paths_difference<0) ? pm_candidate1 : pm_candidate2;
-      trans_table[sample_nr][15] = paths_difference;
+      trans_table[sample_nr][15] = paths_difference;
-
+
-      tmp=old_path_metrics;
+      tmp=old_path_metrics;
-      old_path_metrics=new_path_metrics;
+      old_path_metrics=new_path_metrics;
-      new_path_metrics=tmp;
+      new_path_metrics=tmp;
-
+
-      sample_nr++;
+      sample_nr++;
-   }
+   }
-
+
-/*
+/*
-* Find the best from the stop states by comparing their path metrics.
+* Find the best from the stop states by comparing their path metrics.
-* Not every stop state is always possible, so we are searching in
+* Not every stop state is always possible, so we are searching in
-* a subset of them.
+* a subset of them.
-*/
+*/
-   unsigned int best_stop_state;
+   unsigned int best_stop_state;
-   float stop_state_metric, max_stop_state_metric;
+   float stop_state_metric, max_stop_state_metric;
-   best_stop_state = stop_states[0];
+   best_stop_state = stop_states[0];
-   max_stop_state_metric = old_path_metrics[best_stop_state];
+   max_stop_state_metric = old_path_metrics[best_stop_state];
-   for(i=1; i< stops_num; i++){
+   for(i=1; i< stops_num; i++){
-      stop_state_metric = old_path_metrics[stop_states[i]];
+      stop_state_metric = old_path_metrics[stop_states[i]];
-      if(stop_state_metric > max_stop_state_metric){
+      if(stop_state_metric > max_stop_state_metric){
-         max_stop_state_metric = stop_state_metric;
+         max_stop_state_metric = stop_state_metric;
-         best_stop_state = stop_states[i];
+         best_stop_state = stop_states[i];
-      }
+      }
-   }
+   }
-
+
-/*
+/*
-* This table was generated with hope that it gives a litle speedup during
+* This table was generated with hope that it gives a litle speedup during
-* traceback stage. 
+* traceback stage. 
-* Received bit is related to the number of state in the trellis.
+* Received bit is related to the number of state in the trellis.
-* I've numbered states so their parity (number of ones) is related
+* I've numbered states so their parity (number of ones) is related
-* to a received bit. 
+* to a received bit. 
-*/
+*/
-   static const unsigned int parity_table[PATHS_NUM] = { 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0,  };
+   static const unsigned int parity_table[PATHS_NUM] = { 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0,  };
-
+
-/*
+/*
-* Table of previous states in the trellis diagram.
+* Table of previous states in the trellis diagram.
-* For GMSK modulation every state has two previous states.
+* For GMSK modulation every state has two previous states.
-* Example:
+* Example:
-*   previous_state_nr1 = prev_table[current_state_nr][0]
+*   previous_state_nr1 = prev_table[current_state_nr][0]
-*   previous_state_nr2 = prev_table[current_state_nr][1]
+*   previous_state_nr2 = prev_table[current_state_nr][1]
-*/
+*/
-   static const unsigned int prev_table[PATHS_NUM][2] = { {0,8}, {0,8}, {1,9}, {1,9}, {2,10}, {2,10}, {3,11}, {3,11}, {4,12}, {4,12}, {5,13}, {5,13}, {6,14}, {6,14}, {7,15}, {7,15},  };
+   static const unsigned int prev_table[PATHS_NUM][2] = { {0,8}, {0,8}, {1,9}, {1,9}, {2,10}, {2,10}, {3,11}, {3,11}, {4,12}, {4,12}, {5,13}, {5,13}, {6,14}, {6,14}, {7,15}, {7,15},  };
-
+
-/*
+/*
-* Traceback and differential decoding of received sequence.
+* Traceback and differential decoding of received sequence.
-* Decisions stored in trans_table are used to restore best path in the trellis.
+* Decisions stored in trans_table are used to restore best path in the trellis.
-*/
+*/
-   sample_nr=samples_num;
+   sample_nr=samples_num;
-   unsigned int state_nr=best_stop_state;
+   unsigned int state_nr=best_stop_state;
-   unsigned int decision;
+   unsigned int decision;
-   bool out_bit=0;
+   bool out_bit=0;
-
+
-   while(sample_nr>0){
+   while(sample_nr>0){
-      sample_nr--;
+      sample_nr--;
-      decision = (trans_table[sample_nr][state_nr]>0);
+      decision = (trans_table[sample_nr][state_nr]>0);
-
+
-      if(decision != out_bit)
+      if(decision != out_bit)
-         output[sample_nr]=-trans_table[sample_nr][state_nr];
+         output[sample_nr]=-trans_table[sample_nr][state_nr];
-      else
+      else
-         output[sample_nr]=trans_table[sample_nr][state_nr];
+         output[sample_nr]=trans_table[sample_nr][state_nr];
-
+
-      out_bit = out_bit ^ real_imag ^ parity_table[state_nr];
+      out_bit = out_bit ^ real_imag ^ parity_table[state_nr];
-      state_nr = prev_table[state_nr][decision];
+      state_nr = prev_table[state_nr][decision];
-      real_imag = !real_imag;
+      real_imag = !real_imag;
-   }
+   }
-}
+}

Transceiver52M/grgsm_vitac/viterbi_detector.h

@@ -1,64 +1,64 @@
-/* -*- c++ -*- */
+/* -*- c++ -*- */
-/*
+/*
- * @file
+ * @file
- * @author (C) 2009 Piotr Krysik <ptrkrysik@gmail.com>
+ * @author (C) 2009 Piotr Krysik <ptrkrysik@gmail.com>
- * @section LICENSE
+ * @section LICENSE
- *
+ *
- * Gr-gsm is free software; you can redistribute it and/or modify
+ * Gr-gsm is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
+ * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
+ * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
+ * any later version.
- *
+ *
- * Gr-gsm is distributed in the hope that it will be useful,
+ * Gr-gsm is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * GNU General Public License for more details.
- *
+ *
- * You should have received a copy of the GNU General Public License
+ * You should have received a copy of the GNU General Public License
- * along with gr-gsm; see the file COPYING.  If not, write to
+ * along with gr-gsm; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
+ * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
+ * Boston, MA 02110-1301, USA.
- */
+ */
-
+
-/*
+/*
- * viterbi_detector:
+ * viterbi_detector:
- *           This part does the detection of received sequnece.
+ *           This part does the detection of received sequnece.
- *           Employed algorithm is viterbi Maximum Likehood Sequence Estimation.
+ *           Employed algorithm is viterbi Maximum Likehood Sequence Estimation.
- *           At this moment it gives hard decisions on the output, but
+ *           At this moment it gives hard decisions on the output, but
- *           it was designed with soft decisions in mind.
+ *           it was designed with soft decisions in mind.
- *
+ *
- * SYNTAX:   void viterbi_detector(
+ * SYNTAX:   void viterbi_detector(
- *                                  const gr_complex * input, 
+ *                                  const gr_complex * input, 
- *                                  unsigned int samples_num, 
+ *                                  unsigned int samples_num, 
- *                                  gr_complex * rhh, 
+ *                                  gr_complex * rhh, 
- *                                  unsigned int start_state, 
+ *                                  unsigned int start_state, 
- *                                  const unsigned int * stop_states, 
+ *                                  const unsigned int * stop_states, 
- *                                  unsigned int stops_num, 
+ *                                  unsigned int stops_num, 
- *                                  float * output)
+ *                                  float * output)
- *
+ *
- * INPUT:    input:       Complex received signal afted matched filtering.
+ * INPUT:    input:       Complex received signal afted matched filtering.
- *           samples_num: Number of samples in the input table.
+ *           samples_num: Number of samples in the input table.
- *           rhh:         The autocorrelation of the estimated channel 
+ *           rhh:         The autocorrelation of the estimated channel 
- *                        impulse response.
+ *                        impulse response.
- *           start_state: Number of the start point. In GSM each burst 
+ *           start_state: Number of the start point. In GSM each burst 
- *                        starts with sequence of three bits (0,0,0) which 
+ *                        starts with sequence of three bits (0,0,0) which 
- *                        indicates start point of the algorithm.
+ *                        indicates start point of the algorithm.
- *           stop_states: Table with numbers of possible stop states.
+ *           stop_states: Table with numbers of possible stop states.
- *           stops_num:   Number of possible stop states
+ *           stops_num:   Number of possible stop states
- *                     
+ *                     
- *
+ *
- * OUTPUT:   output:      Differentially decoded hard output of the algorithm: 
+ * OUTPUT:   output:      Differentially decoded hard output of the algorithm: 
- *                        -1 for logical "0" and 1 for logical "1"
+ *                        -1 for logical "0" and 1 for logical "1"
- *
+ *
- * SUB_FUNC: none
+ * SUB_FUNC: none
- *
+ *
- * TEST(S):  Tested with real world normal burst.
+ * TEST(S):  Tested with real world normal burst.
- */
+ */
-
+
-#ifndef INCLUDED_VITERBI_DETECTOR_H
+#ifndef INCLUDED_VITERBI_DETECTOR_H
-#define INCLUDED_VITERBI_DETECTOR_H
+#define INCLUDED_VITERBI_DETECTOR_H
-#include "constants.h"
+#include "constants.h"
-
+
-void viterbi_detector(const gr_complex * input, unsigned int samples_num, gr_complex * rhh, unsigned int start_state, const unsigned int * stop_states, unsigned int stops_num, float * output);
+void viterbi_detector(const gr_complex * input, unsigned int samples_num, gr_complex * rhh, unsigned int start_state, const unsigned int * stop_states, unsigned int stops_num, float * output);
-
+
-#endif /* INCLUDED_VITERBI_DETECTOR_H */
+#endif /* INCLUDED_VITERBI_DETECTOR_H */

Transceiver52M/itrq.h

@@ -27,66 +27,33 @@
 #include <sys/eventfd.h>
 #include <unistd.h>
 
+#include <stdatomic.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+/*
+classic lamport circular lockfree spsc queue:
+every "side" only writes its own ptr, but may read the other sides ptr
+
+notify reader using eventfd as soon as element is added, reader then reads until
+read fails
+-> reader pops in a loop until FALSE and might get spurious events because it
+read before it was notified, which is fine
+-> writing pushes *the same data* in a loop until TRUE, blocks
+
+shutting this down requires
+1) to stop reading and pushing
+2) ONE side to take care of the eventfds
+*/
+
 namespace spsc_detail
 {
-template <bool block_read, bool block_write>
+template <bool block_read, bool block_write> class spsc_cond_detail {
-class spsc_cond_timeout_detail {
 	std::condition_variable cond_r, cond_w;
-	std::mutex lr, lw;
+	std::mutex l;
-	std::atomic_int r_flag, w_flag;
-	const int timeout_ms = 200;
 
     public:
-	explicit spsc_cond_timeout_detail() : r_flag(0), w_flag(0)
+	explicit spsc_cond_detail()
-	{
-	}
-
-	~spsc_cond_timeout_detail()
-	{
-	}
-
-	ssize_t spsc_check_r()
-	{
-		std::unique_lock<std::mutex> lk(lr);
-		if (cond_r.wait_for(lk, std::chrono::milliseconds(timeout_ms), [&] { return r_flag != 0; })) {
-			r_flag--;
-			return 1;
-		} else {
-			return 0;
-		}
-	}
-	ssize_t spsc_check_w()
-	{
-		std::unique_lock<std::mutex> lk(lw);
-		if (cond_w.wait_for(lk, std::chrono::milliseconds(timeout_ms), [&] { return w_flag != 0; })) {
-			w_flag--;
-			return 1;
-		} else {
-			return 0;
-		}
-	}
-	void spsc_notify_r()
-	{
-		std::unique_lock<std::mutex> lk(lr);
-		r_flag++;
-		cond_r.notify_one();
-	}
-	void spsc_notify_w()
-	{
-		std::unique_lock<std::mutex> lk(lw);
-		w_flag++;
-		cond_w.notify_one();
-	}
-};
-
-template <bool block_read, bool block_write>
-class spsc_cond_detail {
-	std::condition_variable cond_r, cond_w;
-	std::mutex lr, lw;
-	std::atomic_int r_flag, w_flag;
-
-    public:
-	explicit spsc_cond_detail() : r_flag(0), w_flag(0)
 	{
 	}
 
@@ -96,37 +63,28 @@ class spsc_cond_detail {
 
 	ssize_t spsc_check_r()
 	{
-		std::unique_lock<std::mutex> lk(lr);
+		std::unique_lock<std::mutex> lk(l);
-		while (r_flag == 0)
+		cond_r.wait(lk);
-			cond_r.wait(lk);
-		r_flag--;
 		return 1;
 	}
 	ssize_t spsc_check_w()
 	{
-		std::unique_lock<std::mutex> lk(lw);
+		std::unique_lock<std::mutex> lk(l);
-		while (w_flag == 0)
+		cond_w.wait(lk);
-			cond_w.wait(lk);
-		w_flag--;
 		return 1;
 	}
 	void spsc_notify_r()
 	{
-		std::unique_lock<std::mutex> lk(lr);
-		r_flag++;
 		cond_r.notify_one();
 	}
 	void spsc_notify_w()
 	{
-		std::unique_lock<std::mutex> lk(lw);
-		w_flag++;
 		cond_w.notify_one();
 	}
 };
 
 // originally designed for select loop integration
-template <bool block_read, bool block_write>
+template <bool block_read, bool block_write> class spsc_efd_detail {
-class spsc_efd_detail {
 	int efd_r, efd_w; /* eventfds used to block/notify readers/writers */
 
     public:
@@ -193,7 +151,7 @@ class spsc : public T<block_read, block_write> {
 	/*! Adds element to the queue by copying the data.
  *  \param[in] elem input buffer, must match the originally configured queue buffer size!.
  *  \returns true if queue was not full and element was successfully pushed */
-	bool spsc_push(const ELEM *elem)
+	bool spsc_push(ELEM *elem)
 	{
 		size_t cur_wp, cur_rp;
 		cur_wp = writeptr.load(std::memory_order_relaxed);
@@ -243,7 +201,4 @@ class spsc : public T<block_read, block_write> {
 template <unsigned int SZ, typename ELEM, bool block_read, bool block_write>
 class spsc_evfd : public spsc_detail::spsc<SZ, ELEM, block_read, block_write, spsc_detail::spsc_efd_detail> {};
 template <unsigned int SZ, typename ELEM, bool block_read, bool block_write>
-class spsc_cond : public spsc_detail::spsc<SZ, ELEM, block_read, block_write, spsc_detail::spsc_cond_detail> {};
+class spsc_cond : public spsc_detail::spsc<SZ, ELEM, block_read, block_write, spsc_detail::spsc_cond_detail> {};
-template <unsigned int SZ, typename ELEM, bool block_read, bool block_write>
-class spsc_cond_timeout
-	: public spsc_detail::spsc<SZ, ELEM, block_read, block_write, spsc_detail::spsc_cond_timeout_detail> {};

Transceiver52M/l1if.cpp

@@ -0,0 +1,124 @@
+#include <mutex>
+#include <queue>
+#include <deque>
+#include <condition_variable>
+#include <iostream>
+
+extern "C" {
+
+#include <unistd.h>
+#include <sys/eventfd.h>
+
+#include <osmocom/core/utils.h>
+#include <osmocom/core/select.h>
+}
+#include "l1if.h"
+
+using namespace std;
+using namespace std::chrono_literals;
+
+template<typename Data>
+class spsc_q{
+
+    std::queue<Data> m_q;
+    std::mutex m_mtx;
+    std::condition_variable m_cond;
+    bool killme;
+
+public:
+    spsc_q() : killme{ false } { }
+
+    void push(Data i){
+        std::unique_lock<std::mutex> lock(m_mtx);
+        m_q.push(i);
+        m_cond.notify_one();
+    }
+
+    Data pop(){
+        std::unique_lock<std::mutex> lock(m_mtx);
+        m_cond.wait_for(lock, 100ms, [&](){ return !m_q.empty() || killme; });
+
+        if (killme || m_q.empty()){
+                return {};
+            }
+
+        Data x = m_q.front();
+        m_q.pop();
+
+        return x;
+    }
+
+    void stop(){
+        killme = true;
+        m_cond.notify_all();
+    }
+
+    auto sz() { return m_q.size(); }
+};
+
+
+/*
+ * trxif_from_trx_c <-> push_c
+ * trxif_to_trx_c <-> pop_c
+ * trxif_from_trx_d <-> push_d
+ * trxif_to_trx_d <-> pop_d
+ * ...
+ *
+ *
+ */
+class trxl1if {
+public:
+    spsc_q<TRX_C*> c_to_trx;
+    spsc_q<TRX_C*> c_from_trx;
+
+    spsc_q<trxd_to_trx*> d_to_trx;
+    spsc_q<trxd_from_trx*> d_from_trx;
+
+    struct osmo_fd g_event_ofd_C;
+    struct osmo_fd g_event_ofd_D;
+};
+
+trxl1if trxif;
+
+void push_c(TRX_C* i) {
+	uint64_t one = 1;
+	int rc;
+	trxif.c_from_trx.push(i);
+	// std::clog << trxif.c_from_trx.sz() << std::endl;
+	rc = ::write(trxif.g_event_ofd_C.fd, &one, sizeof(one));
+	return;
+};
+TRX_C* pop_c() {
+	return trxif.c_to_trx.pop();
+};
+void push_d(trxd_from_trx* i) {
+	uint64_t one = 1;
+	int rc;
+	trxif.d_from_trx.push(i);
+	rc = ::write(trxif.g_event_ofd_D.fd, &one, sizeof(one));
+	return;
+};
+trxd_to_trx* pop_d() {
+	return trxif.d_to_trx.pop();
+};
+
+extern "C" {
+char* trxif_from_trx_c() {
+    uint64_t one = 1;
+    ::read(trxif.g_event_ofd_C.fd, &one, sizeof(one));
+    return (char*)trxif.c_from_trx.pop();
+}
+void trxif_to_trx_c(char* msg) {
+    trxif.c_to_trx.push((TRX_C*)msg);
+}
+trxd_from_trx* trxif_from_trx_d() {
+    uint64_t one = 1;
+    ::read(trxif.g_event_ofd_D.fd, &one, sizeof(one));
+    return trxif.d_from_trx.pop();
+}
+void trxif_to_trx_d(trxd_to_trx* msg) {
+    trxif.d_to_trx.push(msg);
+}
+struct osmo_fd* get_c_fd() { return &trxif.g_event_ofd_C;}
+struct osmo_fd* get_d_fd() { return &trxif.g_event_ofd_D;}
+}

Transceiver52M/l1if.h

@@ -0,0 +1,74 @@
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <stdint.h>
+#ifdef __cplusplus
+}
+#endif
+
+/* ------------------------------------------------------------------------ */
+/* Data interface handlers                                                  */
+/* ------------------------------------------------------------------------ */
+/* DATA interface                                                           */
+/*                                                                          */
+/* Messages on the data interface carry one radio burst per UDP message.    */
+/*                                                                          */
+/* Received Data Burst:                                                     */
+/* 1 byte timeslot index                                                    */
+/* 4 bytes GSM frame number, BE                                             */
+/* 1 byte RSSI in -dBm                                                      */
+/* 2 bytes correlator timing offset in 1/256 symbol steps, 2's-comp, BE     */
+/* 148 bytes soft symbol estimates, 0 -> definite "0", 255 -> definite "1"  */
+/* 2 bytes are not used, but being sent by OsmoTRX                          */
+/*                                                                          */
+/* Transmit Data Burst:                                                     */
+/* 1 byte timeslot index                                                    */
+/* 4 bytes GSM frame number, BE                                             */
+/* 1 byte transmit level wrt ARFCN max, -dB (attenuation)                   */
+/* 148 bytes output symbol values, 0 & 1                                    */
+/* ------------------------------------------------------------------------ */
+
+struct __attribute__((packed)) trxd_to_trx {
+	uint8_t ts;
+	uint32_t fn;
+	uint8_t txlev;
+	uint8_t symbols[148];
+};
+
+struct __attribute__((packed)) trxd_from_trx {
+	uint8_t ts;
+	uint32_t fn;
+	uint8_t rssi;
+	uint16_t toa;
+	uint8_t symbols[148];
+	uint8_t pad[2];
+};
+
+#define TRXC_BUF_SIZE	1024
+
+struct TRX_C {
+    char cmd[TRXC_BUF_SIZE];
+};
+
+#ifdef __cplusplus
+void push_c(TRX_C* i);
+TRX_C* pop_c();
+
+void push_d(trxd_from_trx* i);
+trxd_to_trx* pop_d();
+
+#else
+
+
+char* trxif_from_trx_c();
+void trxif_to_trx_c(char* msg);
+
+struct trxd_from_trx* trxif_from_trx_d();
+void trxif_to_trx_d(struct trxd_to_trx* msg);
+
+struct osmo_fd* get_c_fd();
+struct osmo_fd* get_d_fd();
+
+#endif
+

Transceiver52M/ms/bladerf_specific.h

@@ -1,4 +1,5 @@
 #pragma once
+
 /*
  * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
  * All Rights Reserved
@@ -38,18 +39,17 @@ const size_t BLADE_NUM_BUFFERS = 32 * 1;
 const size_t NUM_TRANSFERS = 16 * 2;
 const int SAMPLE_SCALE_FACTOR = 15; // actually 16 but sigproc complains about clipping..
 
-// see https://en.cppreference.com/w/cpp/language/parameter_pack  "Brace-enclosed initializers" example
+template <typename Arg, typename... Args> void doPrint(std::ostream &out, Arg &&arg, Args &&...args)
-template <typename Arg, typename... Args>
-void expand_args(std::ostream &out, Arg &&arg, Args &&...args)
 {
 	out << '(' << std::forward<Arg>(arg);
-	(void)(int[]){ 0, (void((out << "," << std::forward<Args>(args))), 0)... };
+	using expander = int[];
+	(void)expander{ 0, (void(out << ',' << std::forward<Args>(args)), 0)... };
 	out << ')' << std::endl;
 }
 
-template <class R, class... Args>
+template <class R, class... Args> using RvalFunc = R (*)(Args...);
-using RvalFunc = R (*)(Args...);
 
+// specialisation for funcs which return a value
 template <class R, class... Args>
 R exec_and_check(RvalFunc<R, Args...> func, const char *fname, const char *finame, const char *funcname, int line,
 		 Args... args)
@@ -58,7 +58,7 @@ R exec_and_check(RvalFunc<R, Args...> func, const char *fname, const char *finam
 	if (rval != 0) {
 		std::cerr << ((rval >= 0) ? "OK:" : bladerf_strerror(rval)) << ':' << finame << ':' << line << ':'
 			  << funcname << ':' << fname;
-		expand_args(std::cerr, args...);
+		doPrint(std::cerr, args...);
 	}
 	return rval;
 }
@@ -69,8 +69,7 @@ R exec_and_check(RvalFunc<R, Args...> func, const char *fname, const char *finam
 #pragma pack(push, 1)
 using blade_sample_type = std::complex<int16_t>;
 enum class blade_speed_buffer_type { HS, SS };
-template <blade_speed_buffer_type T>
+template <blade_speed_buffer_type T> struct blade_usb_message {
-struct blade_usb_message {
 	uint32_t reserved;
 	uint64_t ts;
 	uint32_t meta_flags;
@@ -79,8 +78,7 @@ struct blade_usb_message {
 
 static_assert(sizeof(blade_usb_message<blade_speed_buffer_type::SS>) == 2048, "blade buffer mismatch!");
 static_assert(sizeof(blade_usb_message<blade_speed_buffer_type::HS>) == 1024, "blade buffer mismatch!");
-template <unsigned int SZ, blade_speed_buffer_type T>
+template <unsigned int SZ, blade_speed_buffer_type T> struct blade_otw_buffer {
-struct blade_otw_buffer {
 	static_assert((SZ >= 2 && !(SZ % 2)), "min size is 2x usb buffer!");
 	blade_usb_message<T> m[SZ];
 	int actual_samples_per_msg()
@@ -112,7 +110,7 @@ struct blade_otw_buffer {
 	int readall(blade_sample_type *outaddr)
 	{
 		blade_sample_type *addr = outaddr;
-		for (unsigned int i = 0; i < SZ; i++) {
+		for (int i = 0; i < SZ; i++) {
 			memcpy(addr, &m[i].d[0], actual_samples_per_msg() * sizeof(blade_sample_type));
 			addr += actual_samples_per_msg();
 		}
@@ -160,7 +158,7 @@ struct blade_otw_buffer {
 	{
 		assert(num <= actual_samples_per_buffer());
 		int len_rem = num;
-		for (unsigned int i = 0; i < SZ; i++) {
+		for (int i = 0; i < SZ; i++) {
 			m[i] = {};
 			m[i].ts = first_ts + i * actual_samples_per_msg();
 			if (len_rem) {
@@ -176,8 +174,7 @@ struct blade_otw_buffer {
 };
 #pragma pack(pop)
 
-template <unsigned int SZ, blade_speed_buffer_type T>
+template <unsigned int SZ, blade_speed_buffer_type T> struct blade_otw_buffer_helper {
-struct blade_otw_buffer_helper {
 	static_assert((SZ >= 1024 && ((SZ & (SZ - 1)) == 0)), "only buffer size multiples of 1024 allowed!");
 	static blade_otw_buffer<SZ / 512, T> x;
 };
@@ -186,19 +183,16 @@ using dev_buf_t = typeof(blade_otw_buffer_helper<BLADE_BUFFER_SIZE, blade_speed_
 // using buf_in_use = blade_otw_buffer<2, blade_speed_buffer_type::SS>;
 using bh_fn_t = std::function<int(dev_buf_t *)>;
 
-template <typename T>
+template <typename T> struct blade_hw {
-struct blade_hw {
 	struct bladerf *dev;
 	struct bladerf_stream *rx_stream;
 	struct bladerf_stream *tx_stream;
 	// using pkt2buf = blade_otw_buffer<2, blade_speed_buffer_type::SS>;
-	using tx_buf_q_type = spsc_cond_timeout<BLADE_NUM_BUFFERS, dev_buf_t *, true, false>;
+	using tx_buf_q_type = spsc_cond<BLADE_NUM_BUFFERS, dev_buf_t *, true, false>;
 	const unsigned int rxFullScale, txFullScale;
 	const int rxtxdelay;
 
 	float rxgain, txgain;
-	static std::atomic<bool> stop_lower_threads_flag;
-	double rxfreq_cache, txfreq_cache;
 
 	struct ms_trx_config {
 		int tx_freq;
@@ -223,23 +217,21 @@ struct blade_hw {
 	{
 		close_device();
 	}
-	blade_hw()
+	blade_hw() : rxFullScale(2047), txFullScale(2047), rxtxdelay(-60)
-		: rxFullScale(2047), txFullScale(2047), rxtxdelay(-60), rxgain(30), txgain(30), rxfreq_cache(0),
-		  txfreq_cache(0)
 	{
 	}
 
 	void close_device()
 	{
 		if (dev) {
-			if (tx_stream) {
-				bladerf_deinit_stream(tx_stream);
-			}
-
 			if (rx_stream) {
 				bladerf_deinit_stream(rx_stream);
 			}
 
+			if (tx_stream) {
+				bladerf_deinit_stream(tx_stream);
+			}
+
 			bladerf_enable_module(dev, BLADERF_MODULE_RX, false);
 			bladerf_enable_module(dev, BLADERF_MODULE_TX, false);
 
@@ -254,7 +246,6 @@ struct blade_hw {
 
 		bladerf_log_set_verbosity(BLADERF_LOG_LEVEL_DEBUG);
 		bladerf_set_usb_reset_on_open(true);
-
 		blade_check(bladerf_open, &dev, "");
 		if (!dev) {
 			std::cerr << "open failed, device missing?" << std::endl;
@@ -269,8 +260,7 @@ struct blade_hw {
 
 		bool is_locked;
 		blade_check(bladerf_set_pll_enable, dev, true);
-		uint64_t refclock = 10000000UL;
+		blade_check(bladerf_set_pll_refclk, dev, 10000000UL);
-		blade_check(bladerf_set_pll_refclk, dev, refclock);
 		for (int i = 0; i < 20; i++) {
 			usleep(50 * 1000);
 			bladerf_get_pll_lock_state(dev, &is_locked);
@@ -283,6 +273,15 @@ struct blade_hw {
 			return -1;
 		}
 
+		// bladerf_sample_rate r = (1625e3 * 4)/6, act;
+		// blade_check(bladerf_set_sample_rate,dev, BLADERF_CHANNEL_RX(0), r, &act);
+		// blade_check(bladerf_set_sample_rate,dev, BLADERF_CHANNEL_TX(0), r, &act);
+
+		// auto ratrate = (1625e3 * 4) / 6;
+		// rate.integer = (uint32_t)ratrate;
+		// rate.den = 10000;
+		// rate.num = (ratrate - rate.integer) * rate.den;
+
 		blade_check(bladerf_set_rational_sample_rate, dev, BLADERF_CHANNEL_RX(0), &rate, &actual);
 		blade_check(bladerf_set_rational_sample_rate, dev, BLADERF_CHANNEL_TX(0), &rate, &actual);
 
@@ -295,51 +294,46 @@ struct blade_hw {
 			    (bladerf_bandwidth *)NULL);
 
 		blade_check(bladerf_set_gain_mode, dev, BLADERF_CHANNEL_RX(0), BLADERF_GAIN_MGC);
-		setRxGain(rxgain, 0);
+		// blade_check(bladerf_set_gain, dev, BLADERF_CHANNEL_RX(0), (bladerf_gain)30);
-		setTxGain(txgain, 0);
+		// blade_check(bladerf_set_gain, dev, BLADERF_CHANNEL_TX(0), (bladerf_gain)50);
+		usleep(1000);
+		blade_check(bladerf_enable_module, dev, BLADERF_MODULE_RX, true);
+		usleep(1000);
+		blade_check(bladerf_enable_module, dev, BLADERF_MODULE_TX, true);
 		usleep(1000);
-
-		bladerf_set_stream_timeout(dev, BLADERF_TX, 10);
-		bladerf_set_stream_timeout(dev, BLADERF_RX, 10);
-
 		blade_check(bladerf_init_stream, &rx_stream, dev, getrxcb(rxh), &buf_mgmt.rx_samples, BLADE_NUM_BUFFERS,
 			    BLADERF_FORMAT_SC16_Q11_META, BLADE_BUFFER_SIZE, NUM_TRANSFERS, (void *)this);
 
 		blade_check(bladerf_init_stream, &tx_stream, dev, gettxcb(txh), &buf_mgmt.tx_samples, BLADE_NUM_BUFFERS,
 			    BLADERF_FORMAT_SC16_Q11_META, BLADE_BUFFER_SIZE, NUM_TRANSFERS, (void *)this);
 
-		for (unsigned int i = 0; i < BLADE_NUM_BUFFERS; i++) {
+		for (int i = 0; i < BLADE_NUM_BUFFERS; i++) {
 			auto cur_buffer = reinterpret_cast<tx_buf_q_type::elem_t *>(buf_mgmt.tx_samples);
 			buf_mgmt.bufptrqueue.spsc_push(&cur_buffer[i]);
 		}
 
-		return 0;
+		setRxGain(20);
-	}
+		setTxGain(30);
 
-	void actually_enable_streams()
-	{
-		blade_check(bladerf_enable_module, dev, BLADERF_MODULE_RX, true);
 		usleep(1000);
-		blade_check(bladerf_enable_module, dev, BLADERF_MODULE_TX, true);
+
+		// bladerf_set_stream_timeout(dev, BLADERF_TX, 4);
+		// bladerf_set_stream_timeout(dev, BLADERF_RX, 4);
+
+		return 0;
 	}
 
 	bool tuneTx(double freq, size_t chan = 0)
 	{
-		if (txfreq_cache == freq)
-			return true;
 		msleep(15);
 		blade_check(bladerf_set_frequency, dev, BLADERF_CHANNEL_TX(0), (bladerf_frequency)freq);
-		txfreq_cache = freq;
 		msleep(15);
 		return true;
 	};
 	bool tuneRx(double freq, size_t chan = 0)
 	{
-		if (rxfreq_cache == freq)
-			return true;
 		msleep(15);
 		blade_check(bladerf_set_frequency, dev, BLADERF_CHANNEL_RX(0), (bladerf_frequency)freq);
-		rxfreq_cache = freq;
 		msleep(15);
 		return true;
 	};
@@ -395,9 +389,6 @@ struct blade_hw {
 			static int to_skip = 0;
 			dev_buf_t *rcd = (dev_buf_t *)samples;
 
-			if (stop_lower_threads_flag)
-				return BLADERF_STREAM_SHUTDOWN;
-
 			if (to_skip < 120) // prevents weird overflows on startup
 				to_skip++;
 			else {
@@ -420,60 +411,72 @@ struct blade_hw {
 			if (samples) // put buffer address back into queue, ready to be reused
 				trx->buf_mgmt.bufptrqueue.spsc_push(&ptr);
 
-			if (stop_lower_threads_flag)
-				return BLADERF_STREAM_SHUTDOWN;
-
 			return BLADERF_STREAM_NO_DATA;
 		};
 	}
 
 	auto get_rx_burst_handler_fn(bh_fn_t burst_handler)
 	{
-		using thist = decltype(this);
+		auto fn = [this] {
-		auto fn = [](void *args) -> void * {
+			int status;
-			thist t = reinterpret_cast<thist>(args);
+			set_name_aff_sched("rxrun", 2, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 2);
-			int status = 0;
+			status = bladerf_stream(rx_stream, BLADERF_RX_X1);
-			if (!stop_lower_threads_flag)
-				status = bladerf_stream(t->rx_stream, BLADERF_RX_X1);
 			if (status < 0)
 				std::cerr << "rx stream error! " << bladerf_strerror(status) << std::endl;
 
-			return 0;
+			return NULL;
 		};
 		return fn;
 	}
 	auto get_tx_burst_handler_fn(bh_fn_t burst_handler)
 	{
-		using thist = decltype(this);
+		auto fn = [this] {
-		auto fn = [](void *args) -> void * {
+			int status;
-			thist t = reinterpret_cast<thist>(args);
+			set_name_aff_sched("txrun", 2, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 1);
-			int status = 0;
+			status = bladerf_stream(tx_stream, BLADERF_TX_X1);
-			if (!stop_lower_threads_flag)
-				status = bladerf_stream(t->tx_stream, BLADERF_TX_X1);
 			if (status < 0)
 				std::cerr << "rx stream error! " << bladerf_strerror(status) << std::endl;
 
-			return 0;
+			return NULL;
 		};
 		return fn;
 	}
 
 	void submit_burst_ts(blade_sample_type *buffer, int len, uint64_t ts)
 	{
+		//get empty bufer from list
 		tx_buf_q_type::elem_t rcd;
 
-		// exit by submitting a dummy buffer to assure the libbladerf stream mutex is happy (thread!)
-		if (!buffer) {
-			bladerf_submit_stream_buffer(tx_stream, (void *)BLADERF_STREAM_SHUTDOWN, 1000);
-			return;
-		}
-
-		//get empty bufer from list
 		while (!buf_mgmt.bufptrqueue.spsc_pop(&rcd))
 			buf_mgmt.bufptrqueue.spsc_prep_pop();
 		assert(rcd != nullptr);
 
 		rcd->write_n_burst(buffer, len, ts + rxtxdelay); // blade xa4 specific delay!
+		// blade_check(bladerf_submit_stream_buffer_nb, tx_stream, (void *)rcd, 100U);
 		blade_check(bladerf_submit_stream_buffer_nb, tx_stream, (void *)rcd);
 	}
+
+	void set_name_aff_sched(const char *name, int cpunum, int schedtype, int prio)
+	{
+		pthread_setname_np(pthread_self(), name);
+
+		cpu_set_t cpuset;
+
+		CPU_ZERO(&cpuset);
+		CPU_SET(cpunum, &cpuset);
+
+		auto rv = pthread_setaffinity_np(pthread_self(), sizeof(cpuset), &cpuset);
+		if (rv < 0) {
+			std::cerr << name << " affinity: errreur! " << std::strerror(errno);
+			return exit(0);
+		}
+
+		sched_param sch_params;
+		sch_params.sched_priority = prio;
+		rv = pthread_setschedparam(pthread_self(), schedtype, &sch_params);
+		if (rv < 0) {
+			std::cerr << name << " sched: errreur! " << std::strerror(errno);
+			return exit(0);
+		}
+	}
 };

Transceiver52M/ms/ipc_specific.h

@@ -0,0 +1,259 @@
+#pragma once
+
+/*
+ * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Eric Wild <ewild@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <complex>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <thread>
+
+#include <Timeval.h>
+#include <vector>
+
+#include <ipcif.h>
+
+// typedef unsigned long long TIMESTAMP;
+using blade_sample_type = std::complex<int16_t>;
+const int SAMPLE_SCALE_FACTOR = 1;
+
+struct uhd_buf_wrap {
+	uint64_t ts;
+	uint32_t num_samps;
+	blade_sample_type *buf;
+	auto actual_samples_per_buffer()
+	{
+		return num_samps;
+	}
+	long get_first_ts()
+	{
+		return ts; //md->time_spec.to_ticks(rxticks);
+	}
+	int readall(blade_sample_type *outaddr)
+	{
+		memcpy(outaddr, buf, num_samps * sizeof(blade_sample_type));
+		return num_samps;
+	}
+	int read_n(blade_sample_type *outaddr, int start, int num)
+	{
+		// assert(start >= 0);
+		auto to_read = std::min((int)num_samps - start, num);
+		// assert(to_read >= 0);
+		memcpy(outaddr, buf + start, to_read * sizeof(blade_sample_type));
+		return to_read;
+	}
+};
+
+using dev_buf_t = uhd_buf_wrap;
+using bh_fn_t = std::function<int(dev_buf_t *)>;
+
+template <typename T> struct ipc_hw {
+	// uhd::usrp::multi_usrp::sptr dev;
+	// uhd::rx_streamer::sptr rx_stream;
+	// uhd::tx_streamer::sptr tx_stream;
+	blade_sample_type *one_pkt_buf;
+	std::vector<blade_sample_type *> pkt_ptrs;
+	size_t rx_spp;
+	double rxticks;
+	const unsigned int rxFullScale, txFullScale;
+	const int rxtxdelay;
+	float rxgain, txgain;
+	trxmsif m;
+
+	virtual ~ipc_hw()
+	{
+		delete[] one_pkt_buf;
+	}
+	ipc_hw() : rxFullScale(32767), txFullScale(32767), rxtxdelay(-67)
+	{
+	}
+
+	bool tuneTx(double freq, size_t chan = 0)
+	{
+		msleep(25);
+		// dev->set_tx_freq(freq, chan);
+		msleep(25);
+		return true;
+	};
+	bool tuneRx(double freq, size_t chan = 0)
+	{
+		msleep(25);
+		// dev->set_rx_freq(freq, chan);
+		msleep(25);
+		return true;
+	};
+	bool tuneRxOffset(double offset, size_t chan = 0)
+	{
+		return true;
+	};
+
+	double setRxGain(double dB, size_t chan = 0)
+	{
+		rxgain = dB;
+		msleep(25);
+		// dev->set_rx_gain(dB, chan);
+		msleep(25);
+		return dB;
+	};
+	double setTxGain(double dB, size_t chan = 0)
+	{
+		txgain = dB;
+		msleep(25);
+		// dev->set_tx_gain(dB, chan);
+		msleep(25);
+		return dB;
+	};
+	int setPowerAttenuation(int atten, size_t chan = 0)
+	{
+		return atten;
+	};
+
+	int init_device(bh_fn_t rxh, bh_fn_t txh)
+	{
+		// std::thread([] {
+		// 	osmo_ctx_init("bernd");
+		// 	osmo_select_init();
+		// 	main_ipc();
+		// 	while (true)
+		// 		osmo_select_main(0);
+		// }).detach();
+
+		return m.connect() ? 0: -1;
+	}
+
+	void *rx_cb(bh_fn_t burst_handler)
+	{
+		void *ret;
+		static int to_skip = 0;
+
+		blade_sample_type pbuf[508 * 2];
+
+		uint64_t t;
+
+		int len = 508 * 2;
+		m.read_dl(508 * 2, &t, pbuf);
+		// auto len = ipc_shm_read(ios_tx_to_device[0], (uint16_t *)&pbuf, 508 * 2, &t, 1);
+		// if(len < 0) {
+		// 	std::cerr << "fuck, rx fail!" << std::endl;
+		// 	exit(0);
+		// }
+
+		// uhd::rx_metadata_t md;
+		// auto num_rx_samps = rx_stream->recv(pkt_ptrs.front(), rx_spp, md, 3.0, true);
+
+		// if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) {
+		// 	std::cerr << boost::format("Timeout while streaming") << std::endl;
+		// 	exit(0);
+		// }
+		// if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_OVERFLOW) {
+		// 	std::cerr << boost::format("Got an overflow indication. Please consider the following:\n"
+		// 				   "  Your write medium must sustain a rate of %fMB/s.\n"
+		// 				   "  Dropped samples will not be written to the file.\n"
+		// 				   "  Please modify this example for your purposes.\n"
+		// 				   "  This message will not appear again.\n") %
+		// 			     1.f;
+		// 	exit(0);
+		// 	;
+		// }
+		// if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE) {
+		// 	std::cerr << str(boost::format("Receiver error: %s") % md.strerror());
+		// 	exit(0);
+		// }
+
+		dev_buf_t rcd = { t, static_cast<uint32_t>(len), pbuf };
+
+		if (to_skip < 120) // prevents weird overflows on startup
+			to_skip++;
+		else {
+			burst_handler(&rcd);
+		}
+
+		return ret;
+	}
+
+	auto get_rx_burst_handler_fn(bh_fn_t burst_handler)
+	{
+		auto fn = [this, burst_handler] {
+			pthread_setname_np(pthread_self(), "rxrun");
+			// wait_for_shm_open();
+			// uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
+			// stream_cmd.stream_now = true;
+			// stream_cmd.time_spec = uhd::time_spec_t();
+			// rx_stream->issue_stream_cmd(stream_cmd);
+
+			while (1) {
+				rx_cb(burst_handler);
+			}
+		};
+		return fn;
+	}
+	auto get_tx_burst_handler_fn(bh_fn_t burst_handler)
+	{
+		auto fn = [] {
+			// wait_for_shm_open();
+			// dummy
+		};
+		return fn;
+	}
+	void submit_burst_ts(blade_sample_type *buffer, int len, uint64_t ts)
+	{
+		// uhd::tx_metadata_t m = {};
+		// m.end_of_burst = true;
+		// m.start_of_burst = true;
+		// m.has_time_spec = true;
+		// m.time_spec = m.time_spec.from_ticks(ts + rxtxdelay, rxticks); // uhd specific b210 delay!
+		// std::vector<void *> ptrs(1, buffer);
+
+		// tx_stream->send(ptrs, len, m);
+
+		// uhd::async_metadata_t async_md;
+		// bool tx_ack = false;
+		// while (!tx_ack && tx_stream->recv_async_msg(async_md)) {
+		// 	tx_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK);
+		// }
+		// std::cout << (tx_ack ? "yay" : "nay") << " " << async_md.time_spec.to_ticks(rxticks) << std::endl;
+	}
+
+	void set_name_aff_sched(const char *name, int cpunum, int schedtype, int prio)
+	{
+		pthread_setname_np(pthread_self(), name);
+
+		// cpu_set_t cpuset;
+
+		// CPU_ZERO(&cpuset);
+		// CPU_SET(cpunum, &cpuset);
+
+		// auto rv = pthread_setaffinity_np(pthread_self(), sizeof(cpuset), &cpuset);
+		// if (rv < 0) {
+		// 	std::cerr << name << " affinity: errreur! " << std::strerror(errno);
+		// 	return exit(0);
+		// }
+
+		// sched_param sch_params;
+		// sch_params.sched_priority = prio;
+		// rv = pthread_setschedparam(pthread_self(), schedtype, &sch_params);
+		// if (rv < 0) {
+		// 	std::cerr << name << " sched: errreur! " << std::strerror(errno);
+		// 	return exit(0);
+		// }
+	}
+};

Transceiver52M/ms/ipcif.c

@@ -0,0 +1,473 @@
+/*
+* Copyright 2020 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+* Author: Pau Espin Pedrol <pespin@sysmocom.de>
+*
+* SPDX-License-Identifier: 0BSD
+*
+* Permission to use, copy, modify, and/or distribute this software for any purpose
+* with or without fee is hereby granted.THE SOFTWARE IS PROVIDED "AS IS" AND THE
+* AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
+* BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+* USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#define _GNU_SOURCE
+#include <pthread.h>
+
+#include <debug.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <inttypes.h>
+#include <sys/mman.h>
+#include <sys/stat.h> /* For mode constants */
+#include <fcntl.h> /* For O_* constants */
+
+#include <osmocom/core/application.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/select.h>
+#include <osmocom/core/socket.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/select.h>
+#include <osmocom/core/timer.h>
+
+#include <shm.h>
+#include <ipc_shm.h>
+#include <ipc_chan.h>
+#include <ipc_sock.h>
+
+#define DEFAULT_SHM_NAME "/osmo-trx-ipc-driver-shm2"
+#define IPC_SOCK_PATH_PREFIX "/tmp"
+
+static void *tall_ctx;
+struct ipc_sock_state *global_ipc_sock_state;
+
+/* 8 channels are plenty */
+struct ipc_sock_state *global_ctrl_socks[8];
+struct ipc_shm_io *ios_tx_to_device[8];
+struct ipc_shm_io *ios_rx_from_device[8];
+
+void *shm;
+// void *global_dev;
+
+static pthread_mutex_t wait_open_lock;
+static pthread_cond_t wait_open_cond;
+
+
+static struct ipc_shm_region *decoded_region;
+
+static struct {
+	int msocknum;
+	char *ud_prefix_dir;
+} cmdline_cfg = { 1, IPC_SOCK_PATH_PREFIX };
+
+static const struct log_info_cat default_categories[] = {
+	[DMAIN] = {
+		.name = "DMAIN",
+		.color = NULL,
+		.description = "Main generic category",
+		.loglevel = LOGL_DEBUG,.enabled = 1,
+	},
+	[DDEV] = {
+		.name = "DDEV",
+		.description = "Device/Driver specific code",
+		.color = NULL,
+		.enabled = 1, .loglevel = LOGL_DEBUG,
+	},
+};
+
+const struct log_info log_infox = {
+	.cat = default_categories,
+	.num_cat = ARRAY_SIZE(default_categories),
+};
+
+volatile int ipc_exit_requested = 0;
+
+static int ipc_shm_setup(const char *shm_name, size_t shm_len)
+{
+	int fd;
+	int rc;
+
+	LOGP(DMAIN, LOGL_NOTICE, "Opening shm path %s\n", shm_name);
+	if ((fd = shm_open(shm_name, O_CREAT | O_RDWR | O_TRUNC, S_IRUSR | S_IWUSR)) < 0) {
+		LOGP(DMAIN, LOGL_ERROR, "shm_open %d: %s\n", errno, strerror(errno));
+		rc = -errno;
+		goto err_shm_open;
+	}
+
+	LOGP(DMAIN, LOGL_NOTICE, "Truncating %d to size %zu\n", fd, shm_len);
+	if (ftruncate(fd, shm_len) < 0) {
+		LOGP(DMAIN, LOGL_ERROR, "ftruncate %d: %s\n", errno, strerror(errno));
+		rc = -errno;
+		goto err_mmap;
+	}
+
+	LOGP(DMAIN, LOGL_NOTICE, "mmaping shared memory fd %d\n", fd);
+	if ((shm = mmap(NULL, shm_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) {
+		LOGP(DMAIN, LOGL_ERROR, "mmap %d: %s\n", errno, strerror(errno));
+		rc = -errno;
+		goto err_mmap;
+	}
+
+	LOGP(DMAIN, LOGL_NOTICE, "mmap'ed shared memory at addr %p\n", shm);
+	/* After a call to mmap(2) the file descriptor may be closed without affecting the memory mapping. */
+	close(fd);
+	return 0;
+err_mmap:
+	shm_unlink(shm_name);
+	close(fd);
+err_shm_open:
+	return rc;
+}
+
+struct msgb *ipc_msgb_alloc(uint8_t msg_type)
+{
+	struct msgb *msg;
+	struct ipc_sk_if *ipc_prim;
+
+	msg = msgb_alloc(sizeof(struct ipc_sk_if) + 1000, "ipc_sock_tx");
+	if (!msg)
+		return NULL;
+	msgb_put(msg, sizeof(struct ipc_sk_if) + 1000);
+	ipc_prim = (struct ipc_sk_if *)msg->data;
+	ipc_prim->msg_type = msg_type;
+
+	return msg;
+}
+
+static int ipc_tx_info_cnf()
+{
+	struct msgb *msg;
+	struct ipc_sk_if *ipc_prim;
+
+	msg = ipc_msgb_alloc(IPC_IF_MSG_INFO_CNF);
+	if (!msg)
+		return -ENOMEM;
+	ipc_prim = (struct ipc_sk_if *)msg->data;
+
+	ipc_prim->u.info_cnf.feature_mask = FEATURE_MASK_CLOCKREF_EXTERNAL;
+	ipc_prim->u.info_cnf.iq_scaling_val_rx = 1;
+	ipc_prim->u.info_cnf.iq_scaling_val_tx = 1;
+	ipc_prim->u.info_cnf.max_num_chans = 1;
+	OSMO_STRLCPY_ARRAY(ipc_prim->u.info_cnf.dev_desc, "bernd");
+
+	struct ipc_sk_if_info_chan *chan_info = ipc_prim->u.info_cnf.chan_info;
+	OSMO_STRLCPY_ARRAY(chan_info->tx_path[0], "TX/RX");
+	OSMO_STRLCPY_ARRAY(chan_info->rx_path[0], "RX2");
+	chan_info->min_rx_gain = 0;
+	chan_info->max_rx_gain = 60;
+	chan_info->min_tx_gain = 0;
+	chan_info->max_tx_gain = 60;
+	chan_info->nominal_tx_power = 10;
+
+	return ipc_sock_send(msg);
+}
+
+static int ipc_tx_open_cnf(int rc, uint32_t num_chans, int32_t timingoffset)
+{
+	struct msgb *msg;
+	struct ipc_sk_if *ipc_prim;
+	struct ipc_sk_if_open_cnf_chan *chan_info;
+	unsigned int i;
+
+	msg = ipc_msgb_alloc(IPC_IF_MSG_OPEN_CNF);
+	if (!msg)
+		return -ENOMEM;
+	ipc_prim = (struct ipc_sk_if *)msg->data;
+	ipc_prim->u.open_cnf.return_code = rc;
+	ipc_prim->u.open_cnf.path_delay = timingoffset; // 6.18462e-5 * 1625e3 / 6;
+	OSMO_STRLCPY_ARRAY(ipc_prim->u.open_cnf.shm_name, DEFAULT_SHM_NAME);
+
+	chan_info = ipc_prim->u.open_cnf.chan_info;
+	for (i = 0; i < num_chans; i++) {
+		snprintf(chan_info->chan_ipc_sk_path, sizeof(chan_info->chan_ipc_sk_path), "%s/ipc_sock%d_%d",
+			 cmdline_cfg.ud_prefix_dir, cmdline_cfg.msocknum, i);
+		/* FIXME: dynamc chan limit, currently 8 */
+		if (i < 8)
+			ipc_sock_init(chan_info->chan_ipc_sk_path, &global_ctrl_socks[i], ipc_chan_sock_accept, i);
+		chan_info++;
+	}
+
+	return ipc_sock_send(msg);
+}
+
+int ipc_rx_greeting_req(struct ipc_sk_if_greeting *greeting_req)
+{
+	struct msgb *msg;
+	struct ipc_sk_if *ipc_prim;
+
+	msg = ipc_msgb_alloc(IPC_IF_MSG_GREETING_CNF);
+	if (!msg)
+		return -ENOMEM;
+	ipc_prim = (struct ipc_sk_if *)msg->data;
+	ipc_prim->u.greeting_cnf.req_version =
+		greeting_req->req_version == IPC_SOCK_API_VERSION ? IPC_SOCK_API_VERSION : 0;
+
+	ipc_sock_send(msg);
+	return 0;
+}
+
+int ipc_rx_info_req(struct ipc_sk_if_info_req *info_req)
+{
+	ipc_tx_info_cnf();
+	return 0;
+}
+
+int ipc_rx_open_req(struct ipc_sk_if_open_req *open_req)
+{
+	/* calculate size needed */
+	unsigned int len;
+	unsigned int i;
+
+	// global_dev = uhdwrap_open(open_req);
+
+	/* b210 packet size is 2040, but our tx size is 2500, so just do *2 */
+	int shmbuflen = 5000 * 2;
+
+	len = ipc_shm_encode_region(NULL, open_req->num_chans, 4, shmbuflen);
+	/* Here we verify num_chans, rx_path, tx_path, clockref, etc. */
+	int rc = ipc_shm_setup(DEFAULT_SHM_NAME, len);
+	len = ipc_shm_encode_region((struct ipc_shm_raw_region *)shm, open_req->num_chans, 4, shmbuflen);
+	//	LOGP(DMAIN, LOGL_NOTICE, "%s\n", osmo_hexdump((const unsigned char *)shm, 80));
+
+	/* set up our own copy of the decoded area, we have to do it here,
+	* since the uhd wrapper does not allow starting single channels
+	* additionally go for the producer init for both, so only we are responsible for the init, instead
+	* of splitting it with the client and causing potential races if one side uses it too early */
+	decoded_region = ipc_shm_decode_region(0, (struct ipc_shm_raw_region *)shm);
+	for (i = 0; i < open_req->num_chans; i++) {
+		//		ios_tx_to_device[i] = ipc_shm_init_consumer(decoded_region->channels[i]->dl_stream);
+		ios_tx_to_device[i] = ipc_shm_init_producer(decoded_region->channels[i]->dl_stream);
+		ios_rx_from_device[i] = ipc_shm_init_producer(decoded_region->channels[i]->ul_stream);
+	}
+
+	ipc_tx_open_cnf(-rc, open_req->num_chans, 0);
+	return 0;
+}
+
+volatile bool ul_running = false;
+volatile bool dl_running = false;
+
+void *uplink_thread(void *x_void_ptr)
+{
+	uint32_t chann = decoded_region->num_chans;
+	ul_running = true;
+	pthread_setname_np(pthread_self(), "uplink_rx");
+
+	while (!ipc_exit_requested) {
+		// int32_t read = uhdwrap_read(global_dev, chann);
+		// ipc_shm_enqueue(ios_rx_from_device[i], tstamp, num_rx_samps, (uint16_t *)&d->wrap_rx_buffs[i].front());
+		if (read < 0)
+			return 0;
+	}
+	return 0;
+}
+
+void *downlink_thread(void *x_void_ptr)
+{
+	int chann = decoded_region->num_chans;
+	dl_running = true;
+	pthread_setname_np(pthread_self(), "downlink_tx");
+
+	while (!ipc_exit_requested) {
+		bool underrun;
+		// uhdwrap_write(global_dev, chann, &underrun);
+
+		// len = ipc_shm_read(ios_tx_to_device[i], (uint16_t *)&d->wrap_tx_buffs[i].front(), 5000, &timestamp, 1);
+		// return d->writeSamples(d->wrap_tx_buf_ptrs, len, underrun, timestamp);
+	}
+	return 0;
+}
+
+int ipc_rx_chan_start_req(struct ipc_sk_chan_if_op_void *req, uint8_t chan_nr)
+{
+	struct msgb *msg;
+	struct ipc_sk_chan_if *ipc_prim;
+	int rc = 0;
+
+	// rc = uhdwrap_start(global_dev, chan_nr);
+
+	pthread_cond_broadcast(&wait_open_cond);
+	// /* no per-chan start/stop */
+	// if (!dl_running || !ul_running) {
+	// 	/* chan != first chan start will "fail", which is fine, usrp can't start/stop chans independently */
+	// 	if (rc) {
+	// 		LOGP(DMAIN, LOGL_INFO, "starting rx/tx threads.. req for chan:%d\n", chan_nr);
+	// 		pthread_t rx, tx;
+	// 		pthread_create(&rx, NULL, uplink_thread, 0);
+	// 		pthread_create(&tx, NULL, downlink_thread, 0);
+	// 	}
+	// } else
+	// 	LOGP(DMAIN, LOGL_INFO, "starting rx/tx threads request ignored.. req for chan:%d\n", chan_nr);
+
+	msg = ipc_msgb_alloc(IPC_IF_MSG_START_CNF);
+	if (!msg)
+		return -ENOMEM;
+	ipc_prim = (struct ipc_sk_chan_if *)msg->data;
+	ipc_prim->u.start_cnf.return_code = rc ? 0 : -1;
+
+	return ipc_chan_sock_send(msg, chan_nr);
+}
+int ipc_rx_chan_stop_req(struct ipc_sk_chan_if_op_void *req, uint8_t chan_nr)
+{
+	struct msgb *msg;
+	struct ipc_sk_chan_if *ipc_prim;
+	int rc = true;
+
+	/* no per-chan start/stop */
+	// rc = uhdwrap_stop(global_dev, chan_nr);
+
+	msg = ipc_msgb_alloc(IPC_IF_MSG_STOP_CNF);
+	if (!msg)
+		return -ENOMEM;
+	ipc_prim = (struct ipc_sk_chan_if *)msg->data;
+	ipc_prim->u.stop_cnf.return_code = rc ? 0 : -1;
+
+	return ipc_chan_sock_send(msg, chan_nr);
+}
+int ipc_rx_chan_setgain_req(struct ipc_sk_chan_if_gain *req, uint8_t chan_nr)
+{
+	struct msgb *msg;
+	struct ipc_sk_chan_if *ipc_prim;
+	double rv = req->gain;
+
+	// rv = uhdwrap_set_gain(global_dev, req->gain, chan_nr, req->is_tx);
+
+	msg = ipc_msgb_alloc(IPC_IF_MSG_SETGAIN_CNF);
+	if (!msg)
+		return -ENOMEM;
+	ipc_prim = (struct ipc_sk_chan_if *)msg->data;
+	ipc_prim->u.set_gain_cnf.is_tx = req->is_tx;
+	ipc_prim->u.set_gain_cnf.gain = rv;
+
+	return ipc_chan_sock_send(msg, chan_nr);
+}
+
+int ipc_rx_chan_setfreq_req(struct ipc_sk_chan_if_freq_req *req, uint8_t chan_nr)
+{
+	struct msgb *msg;
+	struct ipc_sk_chan_if *ipc_prim;
+	bool rv = true;
+
+	// rv = uhdwrap_set_freq(global_dev, req->freq, chan_nr, req->is_tx);
+
+	msg = ipc_msgb_alloc(IPC_IF_MSG_SETFREQ_CNF);
+	if (!msg)
+		return -ENOMEM;
+	ipc_prim = (struct ipc_sk_chan_if *)msg->data;
+	ipc_prim->u.set_freq_cnf.return_code = rv ? 0 : 1;
+
+	return ipc_chan_sock_send(msg, chan_nr);
+}
+
+int ipc_rx_chan_settxatten_req(struct ipc_sk_chan_if_tx_attenuation *req, uint8_t chan_nr)
+{
+	struct msgb *msg;
+	struct ipc_sk_chan_if *ipc_prim;
+	double rv = req->attenuation;
+
+	// rv = uhdwrap_set_txatt(global_dev, req->attenuation, chan_nr);
+
+	msg = ipc_msgb_alloc(IPC_IF_MSG_SETTXATTN_CNF);
+	if (!msg)
+		return -ENOMEM;
+	ipc_prim = (struct ipc_sk_chan_if *)msg->data;
+	ipc_prim->u.txatten_cnf.attenuation = rv;
+
+	return ipc_chan_sock_send(msg, chan_nr);
+}
+
+int ipc_sock_init(const char *path, struct ipc_sock_state **global_state_var,
+		  int (*sock_callback_fn)(struct osmo_fd *fd, unsigned int what), int n)
+{
+	struct ipc_sock_state *state;
+	struct osmo_fd *bfd;
+	int rc;
+
+	state = talloc_zero(NULL, struct ipc_sock_state);
+	if (!state)
+		return -ENOMEM;
+	*global_state_var = state;
+
+	INIT_LLIST_HEAD(&state->upqueue);
+	state->conn_bfd.fd = -1;
+
+	bfd = &state->listen_bfd;
+
+	bfd->fd = osmo_sock_unix_init(SOCK_SEQPACKET, 0, path, OSMO_SOCK_F_BIND);
+	if (bfd->fd < 0) {
+		LOGP(DMAIN, LOGL_ERROR, "Could not create %s unix socket: %s\n", path, strerror(errno));
+		talloc_free(state);
+		return -1;
+	}
+
+	osmo_fd_setup(bfd, bfd->fd, OSMO_FD_READ, sock_callback_fn, state, n);
+
+	rc = osmo_fd_register(bfd);
+	if (rc < 0) {
+		LOGP(DMAIN, LOGL_ERROR, "Could not register listen fd: %d\n", rc);
+		close(bfd->fd);
+		talloc_free(state);
+		return rc;
+	}
+
+	LOGP(DMAIN, LOGL_INFO, "Started listening on IPC socket: %s\n", path);
+
+	return 0;
+}
+
+int main_ipc()
+{
+	char *ipc_msock_path = "/tmp/ipc_sock1";
+	tall_ctx = talloc_named_const(NULL, 0, "trx-ipc-ms");
+	msgb_talloc_ctx_init(tall_ctx, 0);
+	osmo_init_logging2(tall_ctx, &log_infox);
+	log_enable_multithread();
+
+	LOGP(DMAIN, LOGL_INFO, "Starting %s\n", "bernd");
+	ipc_sock_init(ipc_msock_path, &global_ipc_sock_state, ipc_sock_accept, 0);
+	// while (!ipc_exit_requested)
+	// 	osmo_select_main(0);
+
+	// if (global_dev) {
+	// 	unsigned int i;
+	// 	for (i = 0; i < decoded_region->num_chans; i++)
+	// 		uhdwrap_stop(global_dev, i);
+	// }
+
+	// ipc_sock_close(global_ipc_sock_state);
+
+	int rv;
+	pthread_condattr_t t2;
+	rv = pthread_condattr_setpshared(&t2, PTHREAD_PROCESS_SHARED);
+	rv = pthread_cond_init(&wait_open_cond, &t2);
+
+
+	return 0;
+}
+
+int wait_for_shm_open()
+{
+	struct timespec tv;
+	int rv;
+	clock_gettime(CLOCK_REALTIME, &tv);
+	tv.tv_sec += 15;
+
+	rv = pthread_mutex_timedlock(&wait_open_lock, &tv);
+	if (rv != 0)
+		return -rv;
+
+	rv = pthread_cond_timedwait(&wait_open_cond, &wait_open_lock, &tv);
+	return rv;
+}

Transceiver52M/ms/l1ctl_server.c

@@ -1,275 +0,0 @@
-/*
- * OsmocomBB <-> SDR connection bridge
- * UNIX socket server for L1CTL
- *
- * (C) 2013 by Sylvain Munaut <tnt@246tNt.com>
- * (C) 2016-2017 by Vadim Yanitskiy <axilirator@gmail.com>
- * (C) 2022 by by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/un.h>
-#include <arpa/inet.h>
-#include <sys/socket.h>
-
-#include <osmocom/core/talloc.h>
-#include <osmocom/core/select.h>
-#include <osmocom/core/socket.h>
-#include <osmocom/core/write_queue.h>
-
-#include <osmocom/bb/trxcon/logging.h>
-#include <osmocom/bb/trxcon/l1ctl_server.h>
-
-#define LOGP_CLI(cli, cat, level, fmt, args...) LOGP(cat, level, "%s" fmt, (cli)->log_prefix, ##args)
-
-static int l1ctl_client_read_cb(struct osmo_fd *ofd)
-{
-	struct l1ctl_client *client = (struct l1ctl_client *)ofd->data;
-	struct msgb *msg;
-	uint16_t len;
-	int rc;
-
-	/* Attempt to read from socket */
-	rc = read(ofd->fd, &len, L1CTL_MSG_LEN_FIELD);
-	if (rc != L1CTL_MSG_LEN_FIELD) {
-		if (rc <= 0) {
-			LOGP_CLI(client, DL1D, LOGL_NOTICE, "L1CTL connection error: read() failed (rc=%d): %s\n", rc,
-				 strerror(errno));
-		} else {
-			LOGP_CLI(client, DL1D, LOGL_NOTICE, "L1CTL connection error: short read\n");
-			rc = -EIO;
-		}
-		l1ctl_client_conn_close(client);
-		return rc;
-	}
-
-	/* Check message length */
-	len = ntohs(len);
-	if (len > L1CTL_LENGTH) {
-		LOGP_CLI(client, DL1D, LOGL_ERROR, "Length is too big: %u\n", len);
-		return -EINVAL;
-	}
-
-	/* Allocate a new msg */
-	msg = msgb_alloc_headroom(L1CTL_LENGTH + L1CTL_HEADROOM, L1CTL_HEADROOM, "l1ctl_rx_msg");
-	if (!msg) {
-		LOGP_CLI(client, DL1D, LOGL_ERROR, "Failed to allocate msg\n");
-		return -ENOMEM;
-	}
-
-	msg->l1h = msgb_put(msg, len);
-	rc = read(ofd->fd, msg->l1h, msgb_l1len(msg));
-	if (rc != len) {
-		LOGP_CLI(client, DL1D, LOGL_ERROR, "Can not read data: len=%d < rc=%d: %s\n", len, rc, strerror(errno));
-		msgb_free(msg);
-		return rc;
-	}
-
-	/* Debug print */
-	LOGP_CLI(client, DL1D, LOGL_DEBUG, "RX: '%s'\n", osmo_hexdump(msg->data, msg->len));
-
-	/* Call L1CTL handler */
-	client->server->cfg->conn_read_cb(client, msg);
-
-	return 0;
-}
-
-static int l1ctl_client_write_cb(struct osmo_fd *ofd, struct msgb *msg)
-{
-	struct l1ctl_client *client = (struct l1ctl_client *)ofd->data;
-	int len;
-
-	if (ofd->fd <= 0)
-		return -EINVAL;
-
-	len = write(ofd->fd, msg->data, msg->len);
-	if (len != msg->len) {
-		LOGP_CLI(client, DL1D, LOGL_ERROR, "Failed to write data: written (%d) < msg_len (%d)\n", len,
-			 msg->len);
-		return -1;
-	}
-
-	return 0;
-}
-
-/* Connection handler */
-static int l1ctl_server_conn_cb(struct osmo_fd *sfd, unsigned int flags)
-{
-	struct l1ctl_server *server = (struct l1ctl_server *)sfd->data;
-	struct l1ctl_client *client;
-	int rc, client_fd;
-
-	client_fd = accept(sfd->fd, NULL, NULL);
-	if (client_fd < 0) {
-		LOGP(DL1C, LOGL_ERROR,
-		     "Failed to accept() a new connection: "
-		     "%s\n",
-		     strerror(errno));
-		return client_fd;
-	}
-
-	if (server->cfg->num_clients_max > 0 /* 0 means unlimited */ &&
-	    server->num_clients >= server->cfg->num_clients_max) {
-		LOGP(DL1C, LOGL_NOTICE,
-		     "L1CTL server cannot accept more "
-		     "than %u connection(s)\n",
-		     server->cfg->num_clients_max);
-		close(client_fd);
-		return -ENOMEM;
-	}
-
-	client = talloc_zero(server, struct l1ctl_client);
-	if (client == NULL) {
-		LOGP(DL1C, LOGL_ERROR, "Failed to allocate an L1CTL client\n");
-		close(client_fd);
-		return -ENOMEM;
-	}
-
-	/* Init the client's write queue */
-	osmo_wqueue_init(&client->wq, 100);
-	INIT_LLIST_HEAD(&client->wq.bfd.list);
-
-	client->wq.write_cb = &l1ctl_client_write_cb;
-	client->wq.read_cb = &l1ctl_client_read_cb;
-	osmo_fd_setup(&client->wq.bfd, client_fd, OSMO_FD_READ, &osmo_wqueue_bfd_cb, client, 0);
-
-	/* Register the client's write queue */
-	rc = osmo_fd_register(&client->wq.bfd);
-	if (rc != 0) {
-		LOGP(DL1C, LOGL_ERROR, "Failed to register a new connection fd\n");
-		close(client->wq.bfd.fd);
-		talloc_free(client);
-		return rc;
-	}
-
-	llist_add_tail(&client->list, &server->clients);
-	client->id = server->next_client_id++;
-	client->server = server;
-	server->num_clients++;
-
-	LOGP(DL1C, LOGL_NOTICE, "L1CTL server got a new connection (id=%u)\n", client->id);
-
-	if (client->server->cfg->conn_accept_cb != NULL)
-		client->server->cfg->conn_accept_cb(client);
-
-	return 0;
-}
-
-int l1ctl_client_send(struct l1ctl_client *client, struct msgb *msg)
-{
-	uint8_t *len;
-
-	/* Debug print */
-	LOGP_CLI(client, DL1D, LOGL_DEBUG, "TX: '%s'\n", osmo_hexdump(msg->data, msg->len));
-
-	if (msg->l1h != msg->data)
-		LOGP_CLI(client, DL1D, LOGL_INFO, "Message L1 header != Message Data\n");
-
-	/* Prepend 16-bit length before sending */
-	len = msgb_push(msg, L1CTL_MSG_LEN_FIELD);
-	osmo_store16be(msg->len - L1CTL_MSG_LEN_FIELD, len);
-
-	if (osmo_wqueue_enqueue(&client->wq, msg) != 0) {
-		LOGP_CLI(client, DL1D, LOGL_ERROR, "Failed to enqueue msg!\n");
-		msgb_free(msg);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-void l1ctl_client_conn_close(struct l1ctl_client *client)
-{
-	struct l1ctl_server *server = client->server;
-
-	LOGP_CLI(client, DL1C, LOGL_NOTICE, "Closing L1CTL connection\n");
-
-	if (server->cfg->conn_close_cb != NULL)
-		server->cfg->conn_close_cb(client);
-
-	/* Close connection socket */
-	osmo_fd_unregister(&client->wq.bfd);
-	close(client->wq.bfd.fd);
-	client->wq.bfd.fd = -1;
-
-	/* Clear pending messages */
-	osmo_wqueue_clear(&client->wq);
-
-	client->server->num_clients--;
-	llist_del(&client->list);
-	talloc_free(client);
-
-	/* If this was the last client, reset the client IDs generator to 0.
-	 * This way avoid assigning huge unreadable client IDs like 26545. */
-	if (llist_empty(&server->clients))
-		server->next_client_id = 0;
-}
-
-struct l1ctl_server *l1ctl_server_alloc(void *ctx, const struct l1ctl_server_cfg *cfg)
-{
-	struct l1ctl_server *server;
-	int rc;
-
-	LOGP(DL1C, LOGL_NOTICE, "Init L1CTL server (sock_path=%s)\n", cfg->sock_path);
-
-	server = talloc(ctx, struct l1ctl_server);
-	OSMO_ASSERT(server != NULL);
-
-	*server = (struct l1ctl_server){
-		.clients = LLIST_HEAD_INIT(server->clients),
-		.cfg = cfg,
-	};
-
-	/* conn_read_cb shall not be NULL */
-	OSMO_ASSERT(cfg->conn_read_cb != NULL);
-
-	/* Bind connection handler */
-	osmo_fd_setup(&server->ofd, -1, OSMO_FD_READ, &l1ctl_server_conn_cb, server, 0);
-
-	rc = osmo_sock_unix_init_ofd(&server->ofd, SOCK_STREAM, 0, cfg->sock_path, OSMO_SOCK_F_BIND);
-	if (rc < 0) {
-		LOGP(DL1C, LOGL_ERROR, "Could not create UNIX socket: %s\n", strerror(errno));
-		talloc_free(server);
-		return NULL;
-	}
-
-	return server;
-}
-
-void l1ctl_server_free(struct l1ctl_server *server)
-{
-	LOGP(DL1C, LOGL_NOTICE, "Shutdown L1CTL server\n");
-
-	/* Close all client connections */
-	while (!llist_empty(&server->clients)) {
-		struct l1ctl_client *client = llist_entry(server->clients.next, struct l1ctl_client, list);
-		l1ctl_client_conn_close(client);
-	}
-
-	/* Unbind listening socket */
-	if (server->ofd.fd != -1) {
-		osmo_fd_unregister(&server->ofd);
-		close(server->ofd.fd);
-		server->ofd.fd = -1;
-	}
-
-	talloc_free(server);
-}

Transceiver52M/ms/l1ctl_server_cb.cpp

@@ -1,71 +0,0 @@
-/*
- * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-extern "C" {
-#include <osmocom/bb/trxcon/trxcon.h>
-#include <osmocom/bb/trxcon/trxcon_fsm.h>
-#include <osmocom/bb/trxcon/l1ctl_server.h>
-}
-#include "ms_trxcon_if.h"
-
-static struct l1ctl_server_cfg server_cfg;
-static struct l1ctl_server *server = NULL;
-
-static int l1ctl_rx_cb(struct l1ctl_client *l1c, struct msgb *msg)
-{
-	struct trxcon_inst *trxcon = (struct trxcon_inst *)l1c->priv;
-
-	return trxcon_l1ctl_receive(trxcon, msg);
-}
-
-static void l1ctl_conn_accept_cb(struct l1ctl_client *l1c)
-{
-	l1c->log_prefix = talloc_strdup(l1c, g_trxcon->log_prefix);
-	l1c->priv = g_trxcon;
-	g_trxcon->l2if = l1c;
-}
-
-static void l1ctl_conn_close_cb(struct l1ctl_client *l1c)
-{
-	struct trxcon_inst *trxcon = (struct trxcon_inst *)l1c->priv;
-
-	if (trxcon == NULL || trxcon->fi == NULL)
-		return;
-
-	osmo_fsm_inst_dispatch(trxcon->fi, TRXCON_EV_L2IF_FAILURE, NULL);
-}
-
-bool trxc_l1ctl_init(void *tallctx)
-{
-	/* Start the L1CTL server */
-	server_cfg = (struct l1ctl_server_cfg){
-		/* TODO: make path configurable */
-		.sock_path = "/tmp/osmocom_l2",	       .num_clients_max = 1,
-		.conn_read_cb = &l1ctl_rx_cb,	       .conn_accept_cb = &l1ctl_conn_accept_cb,
-		.conn_close_cb = &l1ctl_conn_close_cb,
-	};
-
-	server = l1ctl_server_alloc(tallctx, &server_cfg);
-	if (server == NULL) {
-		return false;
-	}
-	return true;
-}

Transceiver52M/ms/ms.cpp

@@ -1,160 +0,0 @@
-
-/*
- * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-#include "GSMCommon.h"
-#include <atomic>
-#include <cassert>
-#include <complex>
-#include <iostream>
-#include <cstdlib>
-#include <cstdio>
-#include <thread>
-#include <fstream>
-
-#include "ms.h"
-
-extern "C" {
-#include "sch.h"
-}
-
-#include "threadsched.h"
-
-dummylog ms_trx::dummy_log;
-
-#ifdef DBGXX
-const int offsetrange = 200;
-const int offset_start = -15;
-static int offset_ctr = 0;
-#endif
-
-template <>
-std::atomic<bool> ms_trx::base::stop_lower_threads_flag(false);
-
-int ms_trx::init_dev_and_streams()
-{
-	int status = 0;
-	status = init_device(rx_bh(), tx_bh());
-	if (status < 0) {
-		std::cerr << "failed to init dev!" << std::endl;
-		return -1;
-	}
-	return status;
-}
-
-bh_fn_t ms_trx::rx_bh()
-{
-	return [this](dev_buf_t *rcd) -> int {
-		if (this->search_for_sch(rcd) == SCH_STATE::FOUND)
-			this->grab_bursts(rcd);
-		return 0;
-	};
-}
-
-bh_fn_t ms_trx::tx_bh()
-{
-	return [this](dev_buf_t *rcd) -> int {
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-variable"
-		auto y = this;
-#pragma GCC diagnostic pop
-		/* nothing to do here */
-		return 0;
-	};
-}
-
-void ms_trx::start_lower_ms()
-{
-	if (stop_lower_threads_flag)
-		return;
-	auto fn = get_rx_burst_handler_fn(rx_bh());
-	lower_rx_task = spawn_worker_thread(sched_params::thread_names::RXRUN, fn, this);
-
-	usleep(1000);
-	auto fn2 = get_tx_burst_handler_fn(tx_bh());
-	lower_tx_task = spawn_worker_thread(sched_params::thread_names::TXRUN, fn2, this);
-
-	actually_enable_streams();
-}
-
-void ms_trx::set_upper_ready(bool is_ready)
-{
-	upper_is_ready = is_ready;
-}
-
-void ms_trx::stop_threads()
-{
-	std::cerr << "killing threads..." << std::endl;
-	stop_lower_threads_flag = true;
-	close_device();
-	std::cerr << "dev closed..." << std::endl;
-	pthread_join(lower_rx_task, nullptr);
-	std::cerr << "L rx dead..." << std::endl;
-	pthread_join(lower_tx_task, nullptr);
-	std::cerr << "L tx dead..." << std::endl;
-}
-
-void ms_trx::submit_burst(blade_sample_type *buffer, int len, GSM::Time target)
-{
-	int64_t now_ts;
-	GSM::Time now_time;
-	target.incTN(3); // ul dl offset
-	int target_fn = target.FN();
-	int target_tn = target.TN();
-	timekeeper.get_both(&now_time, &now_ts);
-
-	auto diff_fn = GSM::FNDelta(target_fn, now_time.FN());
-	int diff_tn = (target_tn - (int)now_time.TN()) % 8;
-	auto tosend = GSM::Time(diff_fn, 0);
-
-	if (diff_tn > 0)
-		tosend.incTN(diff_tn);
-	else
-		tosend.decTN(-diff_tn);
-
-	// in theory fn equal and tn+3 equal is also a problem...
-	if (diff_fn < 0 || (diff_fn == 0 && (target_tn-now_time.TN() < 3))) {
-		std::cerr << "## TX too late?! fn DIFF:" << diff_fn << " tn LOCAL: " << now_time.TN()
-			  << " tn OTHER: " << target_tn << std::endl;
-		return;
-	}
-
-	int64_t send_ts = now_ts + tosend.FN() * 8 * ONE_TS_BURST_LEN + tosend.TN() * ONE_TS_BURST_LEN - timing_advance;
-#ifdef DBGXX
-	auto check = now_time + tosend;
-	std::cerr << "## fn DIFF: " << diff_fn << " ## tn DIFF: " << diff_tn << " tn LOCAL/OTHER: " << now_time.TN()
-		  << "/" << target_tn << " tndiff" << diff_tn << " tosend:" << tosend.FN() << ":" << tosend.TN()
-		  << " check: " << check.FN() << ":" << check.TN() << " target: " << target.FN() << ":" << target.TN()
-		  << " ts now: " << now_ts << " target ts:" << send_ts << std::endl;
-#endif
-#if 0
-	auto check = now_time + tosend;
-	unsigned int pad = 4 * 4;
-	blade_sample_type buf2[len + pad];
-	std::fill(buf2, buf2 + pad, 0);
-	memcpy(&buf2[pad], buffer, len * sizeof(blade_sample_type));
-
-	assert(target.FN() == check.FN());
-	assert(target.TN() == check.TN());
-	submit_burst_ts(buf2, len + pad, send_ts - pad);
-#else
-	submit_burst_ts(buffer, len, send_ts);
-#endif
-}

Transceiver52M/ms/ms_commandhandler.cpp

@@ -0,0 +1,227 @@
+/*
+ * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Eric Wild <ewild@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <radioInterface.h>
+#include "ms_rx_upper.h"
+#include "syncthing.h"
+
+void upper_trx::driveControl()
+{
+#ifdef IPCIF
+	auto m = pop_c();
+	if (!m)
+		return;
+#else
+	TRX_C cmd;
+
+	socklen_t addr_len = sizeof(ctrlsrc);
+	int rdln = recvfrom(mCtrlSockets, (void *)cmd.cmd, sizeof(cmd) - 1, 0, &ctrlsrc, &addr_len);
+	if (rdln < 0 && errno == EAGAIN) {
+		std::cerr << "fuck, send ctrl?" << std::endl;
+		exit(0);
+	}
+
+	TRX_C *m = &cmd;
+#endif
+
+	auto response = (TRX_C *)malloc(sizeof(TRX_C));
+	response->cmd[0] = '\0';
+	commandhandler(m->cmd, response->cmd);
+#ifdef IPCIF
+	free(m);
+#endif
+	std::clog << "response is " << response->cmd << std::endl;
+#ifdef IPCIF
+	push_c(response);
+#else
+
+	int rv = sendto(mCtrlSockets, response, strlen(response->cmd) + 1, 0, &ctrlsrc, sizeof(struct sockaddr_in));
+	if (rv < 0) {
+		std::cerr << "fuck, rcv ctrl?" << std::endl;
+		exit(0);
+	}
+	free(response);
+
+#endif
+}
+
+void upper_trx::commandhandler(char *buffer, char *response)
+{
+	int MAX_PACKET_LENGTH = TRXC_BUF_SIZE;
+
+	char cmdcheck[4];
+	char command[MAX_PACKET_LENGTH];
+
+	sscanf(buffer, "%3s %s", cmdcheck, command);
+
+	if (strcmp(cmdcheck, "CMD") != 0) {
+		LOG(WARNING) << "bogus message on control interface";
+		return;
+	}
+	std::clog << "command is " << buffer << std::endl << std::flush;
+
+	if (strcmp(command, "MEASURE") == 0) {
+		msleep(100);
+		int freq;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &freq);
+		sprintf(response, "RSP MEASURE 0 %d -80", freq);
+	} else if (strcmp(command, "ECHO") == 0) {
+		msleep(100);
+		sprintf(response, "RSP ECHO 0");
+	} else if (strcmp(command, "POWEROFF") == 0) {
+		set_ta(0);
+		// turn off transmitter/demod
+		// set_upper_ready(false);
+
+		sprintf(response, "RSP POWEROFF 0");
+	} else if (strcmp(command, "POWERON") == 0) {
+		// turn on transmitter/demod
+		if (!mTxFreq || !mRxFreq)
+			sprintf(response, "RSP POWERON 1");
+		else {
+			sprintf(response, "RSP POWERON 0");
+			if (!mOn) {
+				// Prepare for thread start
+				mPower = -20;
+				// start_ms();
+				set_upper_ready(true);
+
+				writeClockInterface();
+				mOn = true;
+			}
+		}
+	} else if (strcmp(command, "SETMAXDLY") == 0) {
+		//set expected maximum time-of-arrival
+		int maxDelay;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &maxDelay);
+		mMaxExpectedDelay = maxDelay; // 1 GSM symbol is approx. 1 km
+		sprintf(response, "RSP SETMAXDLY 0 %d", maxDelay);
+	} else if (strcmp(command, "SETRXGAIN") == 0) {
+		//set expected maximum time-of-arrival
+		int newGain;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &newGain);
+		newGain = setRxGain(newGain);
+		sprintf(response, "RSP SETRXGAIN 0 %d", newGain);
+	} else if (strcmp(command, "NOISELEV") == 0) {
+		if (mOn) {
+			float lev = 0; //mStates[chan].mNoiseLev;
+			sprintf(response, "RSP NOISELEV 0 %d", (int)round(20.0 * log10(rxFullScale / lev)));
+		} else {
+			sprintf(response, "RSP NOISELEV 1  0");
+		}
+	} else if (!strcmp(command, "SETPOWER")) {
+		// set output power in dB
+		int dbPwr;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &dbPwr);
+		if (!mOn)
+			sprintf(response, "RSP SETPOWER 1 %d", dbPwr);
+		else {
+			mPower = dbPwr;
+			setPowerAttenuation(mPower);
+			sprintf(response, "RSP SETPOWER 0 %d", dbPwr);
+		}
+	} else if (!strcmp(command, "ADJPOWER")) {
+		// adjust power in dB steps
+		int dbStep;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &dbStep);
+		if (!mOn)
+			sprintf(response, "RSP ADJPOWER 1 %d", mPower);
+		else {
+			mPower += dbStep;
+			setPowerAttenuation(mPower);
+			sprintf(response, "RSP ADJPOWER 0 %d", mPower);
+		}
+	} else if (strcmp(command, "RXTUNE") == 0) {
+		// tune receiver
+		int freqKhz;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &freqKhz);
+		mRxFreq = freqKhz * 1e3;
+		if (!tuneRx(mRxFreq)) {
+			LOG(ALERT) << "RX failed to tune";
+			sprintf(response, "RSP RXTUNE 1 %d", freqKhz);
+		} else
+			sprintf(response, "RSP RXTUNE 0 %d", freqKhz);
+	} else if (strcmp(command, "TXTUNE") == 0) {
+		// tune txmtr
+		int freqKhz;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &freqKhz);
+		mTxFreq = freqKhz * 1e3;
+		if (!tuneTx(mTxFreq)) {
+			LOG(ALERT) << "TX failed to tune";
+			sprintf(response, "RSP TXTUNE 1 %d", freqKhz);
+		} else
+			sprintf(response, "RSP TXTUNE 0 %d", freqKhz);
+	} else if (!strcmp(command, "SETTSC")) {
+		// set TSC
+		unsigned TSC;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &TSC);
+		if (mOn)
+			sprintf(response, "RSP SETTSC 1 %d", TSC);
+		// else if (chan && (TSC != mTSC))
+		// 	sprintf(response, "RSP SETTSC 1 %d", TSC);
+		else {
+			mTSC = TSC;
+			//generateMidamble(rx_sps, TSC);
+			sprintf(response, "RSP SETTSC 0 %d", TSC);
+		}
+	} else if (!strcmp(command, "GETBSIC")) {
+		if (mBSIC < 0)
+			sprintf(response, "RSP GETBSIC 1");
+		else
+			sprintf(response, "RSP GETBSIC 0 %d", mBSIC);
+	} else if (strcmp(command, "SETSLOT") == 0) {
+		// set TSC
+		int corrCode;
+		int timeslot;
+		sscanf(buffer, "%3s %s %d %d", cmdcheck, command, &timeslot, &corrCode);
+		if ((timeslot < 0) || (timeslot > 7)) {
+			LOG(WARNING) << "bogus message on control interface";
+			sprintf(response, "RSP SETSLOT 1 %d %d", timeslot, corrCode);
+			return;
+		}
+		sprintf(response, "RSP SETSLOT 0 %d %d", timeslot, corrCode);
+	} else if (!strcmp(command, "SETRXMASK")) {
+		int slot;
+		unsigned long long mask;
+		sscanf(buffer, "%3s %s %d 0x%llx", cmdcheck, command, &slot, &mask);
+		if ((slot < 0) || (slot > 7)) {
+			sprintf(response, "RSP SETRXMASK 1");
+		} else {
+			mRxSlotMask[slot] = mask;
+			sprintf(response, "RSP SETRXMASK 0 %d 0x%llx", slot, mask);
+		}
+	} else if (!strcmp(command, "SYNC")) {
+		// msleep(10);
+		sprintf(response, "RSP SYNC 0");
+		mMaxExpectedDelay = 48;
+		// setRxGain(30);
+		// msleep(10);
+	} else if (!strcmp(command, "SETTA")) {
+		int ta;
+		sscanf(buffer, "%3s %s %d", cmdcheck, command, &ta);
+		set_ta(ta);
+		sprintf(response, "RSP SETTA 0 %d", ta);
+	} else {
+		LOG(WARNING) << "bogus command " << command << " on control interface.";
+	}
+
+	//mCtrlSockets[chan]->write(response, strlen(response) + 1);
+}

Transceiver52M/ms/ms_rx_burst.cpp

@@ -0,0 +1,211 @@
+/*
+ * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Eric Wild <ewild@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include "syncthing.h"
+#include "sigProcLib.h"
+#include "signalVector.h"
+#include "grgsm_vitac/grgsm_vitac.h"
+extern "C" {
+#include "sch.h"
+}
+
+#if !defined(SYNCTHINGONLY) || !defined(NODAMNLOG)
+#define DBGLG(...) ms_trx::dummy_log()
+#else
+#define DBGLG(...) std::cerr
+#endif
+
+#if !defined(SYNCTHINGONLY)
+#define DBGLG2(...) ms_trx::dummy_log()
+#else
+#define DBGLG2(...) std::cerr
+#endif
+
+__attribute__((xray_always_instrument)) __attribute__((noinline)) static bool decode_sch(float *bits,
+											 bool update_global_clock)
+{
+	struct sch_info sch;
+	ubit_t info[GSM_SCH_INFO_LEN];
+	sbit_t data[GSM_SCH_CODED_LEN];
+
+	float_to_sbit(&bits[3], &data[0], 62, 39);
+	float_to_sbit(&bits[106], &data[39], 62, 39);
+
+	if (!gsm_sch_decode(info, data)) {
+		gsm_sch_parse(info, &sch);
+
+		DBGLG() << "SCH : Decoded values" << std::endl;
+		DBGLG() << "    BSIC: " << sch.bsic << std::endl;
+		DBGLG() << "    TSC: " << (sch.bsic & 0x7) << std::endl;
+		DBGLG() << "    T1  : " << sch.t1 << std::endl;
+		DBGLG() << "    T2  : " << sch.t2 << std::endl;
+		DBGLG() << "    T3p : " << sch.t3p << std::endl;
+		DBGLG() << "    FN  : " << gsm_sch_to_fn(&sch) << std::endl;
+		return true;
+	}
+	return false;
+}
+
+static void check_rcv_fn(GSM::Time t, bool first, unsigned int &lastfn, unsigned int &fnbm)
+{
+	if (first && t.TN() == 0) {
+		lastfn = t.FN();
+		fnbm = 1 << 0;
+		first = false;
+	}
+	if (!first && t.FN() != lastfn) {
+		if (fnbm != 255)
+			std::cerr << "rx " << lastfn << ":" << fnbm << " " << __builtin_popcount(fnbm) << std::endl;
+		lastfn = t.FN();
+		fnbm = 1 << t.TN();
+	}
+
+	fnbm |= 1 << t.TN();
+}
+
+__attribute__((xray_always_instrument)) __attribute__((noinline)) static void
+handle_it(one_burst &e, signalVector &burst, unsigned int tsc, int scale)
+{
+	memset(burst.begin(), 0, burst.size() * sizeof(std::complex<float>));
+	auto is_sch = gsm_sch_check_fn(e.gsmts.FN()) && e.gsmts.TN() == 0;
+	auto is_fcch = gsm_fcch_check_fn(e.gsmts.FN()) && e.gsmts.TN() == 0;
+
+	// if (is_sch)
+	// 	return;
+
+	if (is_fcch)
+		return;
+
+	if (is_sch) {
+		unsigned char outbin[148];
+		convert_and_scale_default<float, int16_t>(burst.begin(), e.burst, ONE_TS_BURST_LEN * 2);
+		std::stringstream dbgout;
+#if 0
+		{
+			struct estim_burst_params ebp;
+			auto rv2 = detectSCHBurst(burst, 4, 4, sch_detect_type::SCH_DETECT_FULL, &ebp);
+			auto bits = demodAnyBurst(burst, SCH, 4, &ebp);
+			// clamp_array(bits->begin(), 148, 1.5f);
+			for (auto &i : *bits)
+				i = (i > 0 ? 1 : -1);
+
+			auto rv = decode_sch(bits->begin(), false);
+			dbgout << "U DET@" << (rv2 ? "yes " : "   ") << "Timing offset     " << ebp.toa
+			       << " symbols, DECODE: " << (rv ? "yes" : "---") << " ";
+
+			delete bits;
+		}
+#endif
+		{
+			convert_and_scale<float, float>(burst.begin(), burst.begin(), ONE_TS_BURST_LEN * 2,
+							1.f / float(scale));
+
+			std::complex<float> channel_imp_resp[CHAN_IMP_RESP_LENGTH * d_OSR];
+			auto ss = reinterpret_cast<std::complex<float> *>(burst.begin());
+			int d_c0_burst_start = get_sch_chan_imp_resp(ss, &channel_imp_resp[0]);
+			detect_burst(ss, &channel_imp_resp[0], d_c0_burst_start, outbin);
+
+			SoftVector bits;
+			bits.resize(148);
+			for (int i = 0; i < 148; i++) {
+				bits[i] = (!outbin[i]) < 1 ? -1 : 1;
+			}
+
+			auto rv = decode_sch(bits.begin(), false);
+			dbgout << "U SCH@"
+			       << " " << e.gsmts.FN() << ":" << e.gsmts.TN() << " " << d_c0_burst_start
+			       << " DECODE:" << (rv ? "yes" : "---") << std::endl;
+		}
+
+		DBGLG() << dbgout.str();
+		return;
+	}
+#if 1
+	convert_and_scale<float, int16_t>(burst.begin(), e.burst, ONE_TS_BURST_LEN * 2, 1.f / float(scale));
+	// std::cerr << "@" << tsc << " " << e.gsmts.FN() << ":" << e.gsmts.TN() << " " << ebp.toa << " "
+	// 	  << std::endl;
+
+	unsigned char outbin[148];
+	auto ss = reinterpret_cast<std::complex<float> *>(burst.begin());
+	float ncmax, dcmax;
+	std::complex<float> chan_imp_resp[CHAN_IMP_RESP_LENGTH * d_OSR], chan_imp_resp2[CHAN_IMP_RESP_LENGTH * d_OSR];
+	auto normal_burst_start = get_norm_chan_imp_resp(ss, &chan_imp_resp[0], &ncmax, tsc);
+	auto dummy_burst_start = get_norm_chan_imp_resp(ss, &chan_imp_resp2[0], &dcmax, TS_DUMMY);
+	auto is_nb = ncmax > dcmax;
+
+	DBGLG() << " U " << (is_nb ? "NB" : "DB") << "@ o nb: " << normal_burst_start << " o db: " << dummy_burst_start
+		<< std::endl;
+
+	if (is_nb)
+		detect_burst(ss, &chan_imp_resp[0], normal_burst_start, outbin);
+	else
+		detect_burst(ss, &chan_imp_resp2[0], dummy_burst_start, outbin);
+	;
+
+	auto bits = SoftVector(148);
+	for (int i = 0; i < 148; i++)
+		(bits)[i] = outbin[i] < 1 ? -1 : 1;
+
+#endif
+}
+
+__attribute__((xray_always_instrument)) __attribute__((noinline)) void rcv_bursts_test(rx_queue_t *q, unsigned int *tsc, int scale)
+{
+	static bool first = true;
+	unsigned int lastfn = 0;
+	unsigned int fnbm = 0;
+	signalVector burst(ONE_TS_BURST_LEN, 100, 100);
+
+	cpu_set_t cpuset;
+
+	CPU_ZERO(&cpuset);
+	CPU_SET(1, &cpuset);
+
+	auto rv = pthread_setaffinity_np(pthread_self(), sizeof(cpuset), &cpuset);
+	if (rv < 0) {
+		std::cerr << "affinity: errreur! " << std::strerror(errno);
+		exit(0);
+	}
+
+	int prio = sched_get_priority_max(SCHED_RR);
+	struct sched_param param;
+	param.sched_priority = prio;
+	rv = sched_setscheduler(0, SCHED_RR, &param);
+	if (rv < 0) {
+		std::cerr << "scheduler: errreur! " << std::strerror(errno);
+		exit(0);
+	}
+
+	while (1) {
+		one_burst e;
+		while (!q->spsc_pop(&e)) {
+			q->spsc_prep_pop();
+		}
+
+		check_rcv_fn(e.gsmts, first, lastfn, fnbm);
+
+		handle_it(e, burst, *tsc, scale);
+
+		// rv = detectSCHBurst(*burst, 4, 4, sch_detect_type::SCH_DETECT_FULL, &ebp);
+		// if (rv > 0)
+		// 	std::cerr << "#" << e.gsmts.FN() << ":" << e.gsmts.TN() << " " << ebp.toa << std::endl;
+		// sched_yield();
+	}
+}

Transceiver52M/ms/ms_rx_burst.h

@@ -19,30 +19,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-#include <netdb.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
 
-#include "GSMCommon.h"
+#include "syncthing.h"
-#include "ms.h"
 
-class upper_trx : public ms_trx {
+void rcv_bursts_test(rx_queue_t *q, unsigned int *tsc, int scale);
-	volatile bool mOn;
-	char demodded_softbits[444];
-
-	// void driveControl();
-	bool pullRadioVector(GSM::Time &wTime, int &RSSI, int &timingOffset);
-
-	pthread_t thr_control, thr_tx;
-
-    public:
-	void start_threads();
-	void main_loop();
-	void stop_upper_threads();
-
-	bool driveControl();
-	void driveReceiveFIFO();
-	void driveTx();
-
-	upper_trx() : mOn(false){};
-};

Transceiver52M/ms/ms_rx_lower.cpp

@@ -27,11 +27,9 @@
 #include <iostream>
 #include <future>
 
-#include "ms.h"
+#include "syncthing.h"
 #include "grgsm_vitac/grgsm_vitac.h"
 
-#include "threadpool.h"
-
 extern "C" {
 #include "sch.h"
 }
@@ -40,29 +38,29 @@ extern "C" {
 #undef LOG
 #endif
 
-#if !defined(NODAMNLOG)
+#if !defined(SYNCTHINGONLY) //|| !defined(NODAMNLOG)
 #define DBGLG(...) ms_trx::dummy_log()
 #else
 #define DBGLG(...) std::cerr
 #endif
 
-#if !defined(NODAMNLOG)
+#if !defined(SYNCTHINGONLY) || !defined(NODAMNLOG)
 #define DBGLG2(...) ms_trx::dummy_log()
 #else
 #define DBGLG2(...) std::cerr
 #endif
 
 #define PRINT_Q_OVERFLOW
-
+__attribute__((xray_always_instrument)) __attribute__((noinline)) bool ms_trx::decode_sch(float *bits,
-bool ms_trx::decode_sch(char *bits, bool update_global_clock)
+											  bool update_global_clock)
 {
 	int fn;
 	struct sch_info sch;
 	ubit_t info[GSM_SCH_INFO_LEN];
 	sbit_t data[GSM_SCH_CODED_LEN];
 
-	memcpy(&data[0], &bits[3], 39);
+	float_to_sbit(&bits[3], &data[0], 62, 39);
-	memcpy(&data[39], &bits[106], 39);
+	float_to_sbit(&bits[106], &data[39], 62, 39);
 
 	if (!gsm_sch_decode(info, data)) {
 		gsm_sch_parse(info, &sch);
@@ -90,7 +88,20 @@ bool ms_trx::decode_sch(char *bits, bool update_global_clock)
 			// global_time_keeper.FN(fn);
 			// global_time_keeper.TN(0);
 		}
-
+#ifdef SYNCTHINGONLY
+		else {
+			int t3 = sch.t3p * 10 + 1;
+			if (t3 == 11) {
+				// timeslot hitter attempt @ fn 21 in mf
+				DBGLG2() << "sch @ " << t3 << std::endl;
+				auto e = GSM::Time(fn, 0);
+				e += 10;
+				ts_hitter_q.spsc_push(&e);
+			}
+		}
+#endif
+		// auto sch11 = gsm_sch_check_fn(fn + 11);
+		// DBGLG() << "next sch: "<< (sch11 ? "11":"10")<<" first ts " << first_sch_buf_rcv_ts << std::endl;
 		return true;
 	}
 	return false;
@@ -104,7 +115,11 @@ void ms_trx::maybe_update_gain(one_burst &brst)
 	const unsigned int rx_max_cutoff = (rxFullScale * 2) / 3;
 	static int gain_check = 0;
 	static float runmean = 0;
-	float sum = normed_abs_sum(&brst.burst[0], ONE_TS_BURST_LEN);
+	float sum = 0;
+	for (auto i : brst.burst)
+		sum += abs(i.real()) + abs(i.imag());
+	sum /= ONE_TS_BURST_LEN * 2;
+
 	runmean = gain_check ? (runmean * (gain_check + 2) - 1 + sum) / (gain_check + 2) : sum;
 
 	if (gain_check == avgburst_num - 1) {
@@ -113,23 +128,22 @@ void ms_trx::maybe_update_gain(one_burst &brst)
 		gainoffset = runmean < (rxFullScale / 2 ? 2 : 1);
 		float newgain = runmean < rx_max_cutoff ? rxgain + gainoffset : rxgain - gainoffset;
 		// FIXME: gian cutoff
-		if (newgain != rxgain && newgain <= 60) {
+		if (newgain != rxgain && newgain <= 60)
-			auto gain_fun = [this, newgain] { setRxGain(newgain); };
+			std::thread([this, newgain] { setRxGain(newgain); }).detach();
-			worker_thread.add_task(gain_fun);
-		}
-
 		runmean = 0;
 	}
 	gain_check = (gain_check + 1) % avgburst_num;
 }
 
-static char sch_demod_bits[148];
+static unsigned char sch_demod_bits[148];
 
 bool ms_trx::handle_sch_or_nb()
 {
 	one_burst brst;
-	const auto current_gsm_time = timekeeper.gsmtime();
+	auto current_gsm_time = timekeeper.gsmtime();
-	const auto is_sch = gsm_sch_check_ts(current_gsm_time.TN(), current_gsm_time.FN());
+	auto is_sch = gsm_sch_check_fn(current_gsm_time.FN()) && current_gsm_time.TN() == 0;
+	auto is_fcch = gsm_fcch_check_fn(current_gsm_time.FN()) && current_gsm_time.TN() == 0;
+#pragma unused(is_fcch)
 
 	//either pass burst to upper layer for demod, OR pass demodded SCH to upper layer so we don't waste time processing it twice
 	brst.gsmts = current_gsm_time;
@@ -140,10 +154,20 @@ bool ms_trx::handle_sch_or_nb()
 		handle_sch(false);
 		memcpy(brst.sch_bits, sch_demod_bits, sizeof(sch_demod_bits));
 	}
+	// auto pushok = rxqueue.spsc_push(&brst);
+#ifndef SYNCTHINGONLY
+	if (upper_is_ready) { // this is blocking, so only submit if there is a reader - only if upper exists!
+#endif
+		while (!rxqueue.spsc_push(&brst))
+			;
+#ifndef SYNCTHINGONLY
+	}
+#endif
 
-	while (upper_is_ready && !rxqueue.spsc_push(&brst))
+	// #ifdef PRINT_Q_OVERFLOW
-		;
+	// 	if (!pushok)
-
+	// 		std::cout << "F" << std::endl;
+	// #endif
 	if (do_auto_gain)
 		maybe_update_gain(brst);
 
@@ -157,40 +181,36 @@ bool ms_trx::handle_sch(bool is_first_sch_acq)
 	auto current_gsm_time = timekeeper.gsmtime();
 	const auto buf_len = is_first_sch_acq ? SCH_LEN_SPS : ONE_TS_BURST_LEN;
 	const auto which_in_buffer = is_first_sch_acq ? first_sch_buf : burst_copy_buffer;
-	memset((void *)&sch_acq_buffer[0], 0, sizeof(sch_acq_buffer));
-#if 1
 	const auto which_out_buffer = is_first_sch_acq ? sch_acq_buffer : &sch_acq_buffer[40 * 2];
 	const auto ss = reinterpret_cast<std::complex<float> *>(which_out_buffer);
 	std::complex<float> channel_imp_resp[CHAN_IMP_RESP_LENGTH * d_OSR];
+
+	float max_corr = 0;
 	int start;
-	convert_and_scale(which_out_buffer, which_in_buffer, buf_len * 2, 1.f / float(rxFullScale));
+	memset((void *)&sch_acq_buffer[0], 0, sizeof(sch_acq_buffer));
 	if (is_first_sch_acq) {
-		float max_corr = 0;
+		convert_and_scale<float, int16_t>(which_out_buffer, which_in_buffer, buf_len * 2,
+						  1.f / float(rxFullScale));
 		start = get_sch_buffer_chan_imp_resp(ss, &channel_imp_resp[0], buf_len, &max_corr);
+		detect_burst(&ss[start], &channel_imp_resp[0], 0, sch_demod_bits);
 	} else {
+		convert_and_scale<float, int16_t>(which_out_buffer, which_in_buffer, buf_len * 2,
+						  1.f / float(rxFullScale));
 		start = get_sch_chan_imp_resp(ss, &channel_imp_resp[0]);
 		start = start < 39 ? start : 39;
 		start = start > -39 ? start : -39;
+		detect_burst(&ss[start], &channel_imp_resp[0], 0, sch_demod_bits);
 	}
-	detect_burst_nb(&ss[start], &channel_imp_resp[0], 0, sch_demod_bits);
 
-	auto sch_decode_success = decode_sch(sch_demod_bits, is_first_sch_acq);
+	SoftVector bitss(148);
-#if 0
+	for (int i = 0; i < 148; i++) {
-	auto burst = new signalVector(buf_len, 50);
+		bitss[i] = (!sch_demod_bits[i]) < 1 ? -1 : 1;
-	const auto corr_type = is_first_sch_acq ? sch_detect_type::SCH_DETECT_BUFFER : sch_detect_type::SCH_DETECT_FULL;
+	}
-	struct estim_burst_params ebp;
 
-	// scale like uhd, +-2k -> +-32k
+	auto sch_decode_success = decode_sch(bitss.begin(), is_first_sch_acq);
-	convert_and_scale(burst->begin(), which_in_buffer, buf_len * 2, SAMPLE_SCALE_FACTOR);
 
-	auto rv = detectSCHBurst(*burst, 4, 4, corr_type, &ebp);
-
-	int howmuchdelay = ebp.toa * 4;
-	std::cerr << "ooffs: " << howmuchdelay << " " << std::endl;
-	std::cerr << "voffs: " << start << " " << sch_decode_success << std::endl;
-#endif
 	if (sch_decode_success) {
-		const auto ts_offset_symb = 4;
+		const auto ts_offset_symb = 0;
 		if (is_first_sch_acq) {
 			// update ts to first sample in sch buffer, to allow delay calc for current ts
 			first_sch_ts_start = first_sch_buf_rcv_ts + start - (ts_offset_symb * 4) - 1;
@@ -205,132 +225,35 @@ bool ms_trx::handle_sch(bool is_first_sch_acq)
 		DBGLG2() << "L SCH : \x1B[31m decode fail \033[0m @ toa:" << start << " " << current_gsm_time.FN()
 			 << ":" << current_gsm_time.TN() << std::endl;
 	}
-#else
-	const auto ts_offset_symb = 4;
-	auto burst = new signalVector(buf_len, 50);
-	const auto corr_type = is_first_sch_acq ? sch_detect_type::SCH_DETECT_BUFFER : sch_detect_type::SCH_DETECT_FULL;
-	struct estim_burst_params ebp;
-
-	// scale like uhd, +-2k -> +-32k
-	convert_and_scale(burst->begin(), which_in_buffer, buf_len * 2, SAMPLE_SCALE_FACTOR);
-
-	auto rv = detectSCHBurst(*burst, 4, 4, corr_type, &ebp);
-
-	int howmuchdelay = ebp.toa * 4;
-
-	if (!rv) {
-		delete burst;
-		DBGLG() << "SCH : \x1B[31m detect fail \033[0m NOOOOOOOOOOOOOOOOOO toa:" << ebp.toa << " "
-			<< current_gsm_time.FN() << ":" << current_gsm_time.TN() << std::endl;
-		return false;
-	}
-
-	SoftVector *bits;
-	if (is_first_sch_acq) {
-		// can't be legit with a buf size spanning _at least_ one SCH but delay that implies partial sch burst
-		if (howmuchdelay < 0 || (buf_len - howmuchdelay) < ONE_TS_BURST_LEN) {
-			delete burst;
-			return false;
-		}
-
-		struct estim_burst_params ebp2;
-		// auto sch_chunk = new signalVector(ONE_TS_BURST_LEN, 50);
-		// auto sch_chunk_start = sch_chunk->begin();
-		// memcpy(sch_chunk_start, sch_buf_f.data() + howmuchdelay, sizeof(std::complex<float>) * ONE_TS_BURST_LEN);
-
-		auto delay = delayVector(burst, NULL, -howmuchdelay);
-
-		scaleVector(*delay, (complex)1.0 / ebp.amp);
-
-		auto rv2 = detectSCHBurst(*delay, 4, 4, sch_detect_type::SCH_DETECT_FULL, &ebp2);
-		DBGLG() << "FIRST SCH : " << (rv2 ? "yes " : "   ") << "Timing offset     " << ebp2.toa << " symbols"
-			<< std::endl;
-
-		bits = demodAnyBurst(*delay, SCH, 4, &ebp2);
-		delete delay;
-	} else {
-		bits = demodAnyBurst(*burst, SCH, 4, &ebp);
-	}
-
-	delete burst;
-
-	// clamp to +-1.5 because +-127 softbits scaled by 64 after -0.5 can be at most +-1.5
-	clamp_array(bits->begin(), 148, 1.5f);
-
-	float_to_sbit(&bits->begin()[0], (signed char *)&sch_demod_bits[0], 62, 148);
-	// float_to_sbit(&bits->begin()[106], &data[39], 62, 39);
-
-	if (decode_sch((char *)sch_demod_bits, is_first_sch_acq)) {
-		auto current_gsm_time_updated = timekeeper.gsmtime();
-		if (is_first_sch_acq) {
-			// update ts to first sample in sch buffer, to allow delay calc for current ts
-			first_sch_ts_start = first_sch_buf_rcv_ts + howmuchdelay - (ts_offset_symb * 4);
-		} else {
-			// continuous sch tracking, only update if off too much
-			auto diff = [](float x, float y) { return x > y ? x - y : y - x; };
-
-			auto d = diff(ebp.toa, ts_offset_symb);
-			if (abs(d) > 0.3) {
-				if (ebp.toa < ts_offset_symb)
-					ebp.toa = d;
-				else
-					ebp.toa = -d;
-				temp_ts_corr_offset += ebp.toa * 4;
-
-				DBGLG() << "offs: " << ebp.toa << " " << temp_ts_corr_offset << std::endl;
-			}
-		}
-
-		auto a = gsm_sch_check_fn(current_gsm_time_updated.FN() - 1);
-		auto b = gsm_sch_check_fn(current_gsm_time_updated.FN());
-		auto c = gsm_sch_check_fn(current_gsm_time_updated.FN() + 1);
-		DBGLG() << "L SCH : Timing offset     " << rv << " " << ebp.toa << " " << a << b << c << "fn "
-			<< current_gsm_time_updated.FN() << ":" << current_gsm_time_updated.TN() << std::endl;
-
-		delete bits;
-		return true;
-	} else {
-		DBGLG2() << "L SCH : \x1B[31m decode fail \033[0m @ toa:" << ebp.toa << " " << current_gsm_time.FN()
-			 << ":" << current_gsm_time.TN() << std::endl;
-	}
-
-	delete bits;
-#endif
 	return false;
 }
 
-/*
+__attribute__((xray_never_instrument)) SCH_STATE ms_trx::search_for_sch(dev_buf_t *rcd)
-accumulates a full big buffer consisting of 8*12 timeslots, then:
-either
-1) adjusts gain if necessary and starts over
-2) searches and finds SCH and is done
-*/
-SCH_STATE ms_trx::search_for_sch(dev_buf_t *rcd)
 {
 	static unsigned int sch_pos = 0;
-	auto to_copy = SCH_LEN_SPS - sch_pos;
-
 	if (sch_thread_done)
 		return SCH_STATE::FOUND;
 
 	if (rcv_done)
 		return SCH_STATE::SEARCHING;
 
-	if (sch_pos == 0) // keep first ts for time delta calc
+	auto to_copy = SCH_LEN_SPS - sch_pos;
+
+	if (SCH_LEN_SPS == to_copy) // first time
 		first_sch_buf_rcv_ts = rcd->get_first_ts();
 
-	if (to_copy) {
+	if (!to_copy) {
-		auto spsmax = rcd->actual_samples_per_buffer();
-		if (to_copy > (unsigned int)spsmax)
-			sch_pos += rcd->readall(first_sch_buf + sch_pos);
-		else
-			sch_pos += rcd->read_n(first_sch_buf + sch_pos, 0, to_copy);
-	} else { // (!to_copy)
 		sch_pos = 0;
 		rcv_done = true;
-		auto sch_search_fun = [this] {
+		std::thread([this] {
+			set_name_aff_sched("sch_search", 1, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 5);
+
+			auto ptr = reinterpret_cast<const int16_t *>(first_sch_buf);
 			const auto target_val = rxFullScale / 8;
-			float sum = normed_abs_sum(first_sch_buf, SCH_LEN_SPS);
+			float sum = 0;
+			for (int i = 0; i < SCH_LEN_SPS * 2; i++)
+				sum += std::abs(ptr[i]);
+			sum /= SCH_LEN_SPS * 2;
 
 			//FIXME: arbitrary value, gain cutoff
 			if (sum > target_val || rxgain >= 60) // enough ?
@@ -343,13 +266,19 @@ SCH_STATE ms_trx::search_for_sch(dev_buf_t *rcd)
 
 			if (!sch_thread_done)
 				rcv_done = false; // retry!
-		};
+			return (bool)sch_thread_done;
-		worker_thread.add_task(sch_search_fun);
+		}).detach();
 	}
+
+	auto spsmax = rcd->actual_samples_per_buffer();
+	if (to_copy > spsmax)
+		sch_pos += rcd->readall(first_sch_buf + sch_pos);
+	else
+		sch_pos += rcd->read_n(first_sch_buf + sch_pos, 0, to_copy);
+
 	return SCH_STATE::SEARCHING;
 }
-
+__attribute__((optnone)) void ms_trx::grab_bursts(dev_buf_t *rcd)
-void ms_trx::grab_bursts(dev_buf_t *rcd)
 {
 	// partial burst samples read from the last buffer
 	static int partial_rdofs = 0;
@@ -363,7 +292,7 @@ void ms_trx::grab_bursts(dev_buf_t *rcd)
 		const auto fracts = next_burst_start % ONE_TS_BURST_LEN;
 		to_skip = ONE_TS_BURST_LEN - fracts;
 
-		for (unsigned int i = 0; i < fullts; i++)
+		for (int i = 0; i < fullts; i++)
 			timekeeper.inc_and_update(first_sch_ts_start + i * ONE_TS_BURST_LEN);
 
 		if (fracts)
@@ -382,8 +311,9 @@ void ms_trx::grab_bursts(dev_buf_t *rcd)
 
 	if (partial_rdofs) {
 		auto first_remaining = ONE_TS_BURST_LEN - partial_rdofs;
+		// memcpy(burst_copy_buffer, partial_buf, partial_rdofs * sizeof(blade_sample_type));
 		auto rd = rcd->read_n(burst_copy_buffer + partial_rdofs, 0, first_remaining);
-		if (rd != (int)first_remaining) {
+		if (rd != first_remaining) {
 			partial_rdofs += rd;
 			return;
 		}

Transceiver52M/ms/ms_rx_upper.cpp

@@ -0,0 +1,301 @@
+/*
+ * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Eric Wild <ewild@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "sigProcLib.h"
+#include "syncthing.h"
+#include <signalVector.h>
+#include <radioVector.h>
+#include <radioInterface.h>
+#include "grgsm_vitac/grgsm_vitac.h"
+#include "ms_rx_upper.h"
+
+extern "C" {
+#include <osmocom/core/select.h>
+#include "sch.h"
+#include "convolve.h"
+#include "convert.h"
+#include "proto_trxd.h"
+
+void __lsan_do_recoverable_leak_check();
+}
+
+namespace trxcon
+{
+extern "C" {
+#include <trxcon/trx_if.h>
+}
+trx_instance *trxcon_instance; // local handle
+static tx_queue_t txq;
+} // namespace trxcon
+
+#ifdef LOG
+#undef LOG
+#define LOG(...) upper_trx::dummy_log()
+#endif
+
+void upper_trx::start_threads()
+{
+	thr_control = std::thread([this] {
+		set_name_aff_sched("upper_ctrl", 1, SCHED_RR, sched_get_priority_max(SCHED_RR));
+		while (1) {
+			driveControl();
+			pthread_testcancel();
+		}
+	});
+	msleep(1);
+	thr_tx = std::thread([this] {
+		set_name_aff_sched("upper_tx", 1, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 1);
+
+		while (1) {
+			driveTx();
+			pthread_testcancel();
+		}
+	});
+
+	// atomic ensures data is not written to q until loop reads
+	start_ms();
+
+	set_name_aff_sched("upper_rx", 1, SCHED_FIFO, sched_get_priority_max(SCHED_RR) - 5);
+	while (1) {
+		// set_upper_ready(true);
+		driveReceiveFIFO();
+		pthread_testcancel();
+		osmo_select_main(1);
+	}
+
+	// std::thread([this] {
+	// 	set_name_aff_sched("leakcheck", 1, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 10);
+
+	// 	while (1) {
+	// 		std::this_thread::sleep_for(std::chrono::seconds{ 5 });
+	// 		__lsan_do_recoverable_leak_check();
+	// 	}
+	// }).detach();
+}
+
+void upper_trx::start_ms()
+{
+	ms_trx::start();
+}
+
+SoftVector *upper_trx::pullRadioVector(GSM::Time &wTime, int &RSSI, int &timingOffset) __attribute__((optnone))
+{
+	float pow, avg = 1.0;
+	static SoftVector bits(148);
+	static complex workbuf[40 + 625 + 40];
+	static signalVector sv(workbuf, 40, 625);
+
+	GSM::Time burst_time;
+	auto ss = reinterpret_cast<std::complex<float> *>(&workbuf[40]);
+
+	memset((void *)&workbuf[0], 0, sizeof(workbuf));
+	// assert(sv.begin() == &workbuf[40]);
+
+	one_burst e;
+	unsigned char outbin[148];
+
+	std::stringstream dbgout;
+
+	while (!rxqueue.spsc_pop(&e)) {
+		rxqueue.spsc_prep_pop();
+	}
+
+	burst_time = e.gsmts;
+	wTime = burst_time;
+
+	auto is_sch = (burst_time.TN() == 0 && gsm_sch_check_fn(burst_time.FN()));
+	auto is_fcch = (burst_time.TN() == 0 && gsm_fcch_check_fn(burst_time.FN()));
+
+	if (is_fcch) {
+		// return trash
+		// fprintf(stderr, "c %d\n",burst_time.FN());
+		return &bits;
+	}
+
+	if (is_sch) {
+		for (int i = 0; i < 148; i++)
+			(bits)[i] = (!e.sch_bits[i]) < 1 ? -1 : 1;
+		RSSI = 10;
+		timingOffset = 0;
+		// fprintf(stderr, "s %d\n", burst_time.FN());
+		return &bits;
+	}
+
+	auto ts = trxcon::trxcon_instance->ts_list[burst_time.TN()];
+	if (ts == NULL || ts->mf_layout == NULL)
+		return 0;
+
+	convert_and_scale<float, int16_t>(ss, e.burst, ONE_TS_BURST_LEN * 2, 1.f / float(rxFullScale));
+
+	pow = energyDetect(sv, 20 * rx_sps);
+	if (pow < -1) {
+		LOG(ALERT) << "Received empty burst";
+		return NULL;
+	}
+
+	avg = sqrt(pow);
+	{
+		float ncmax, dcmax;
+		std::complex<float> chan_imp_resp[CHAN_IMP_RESP_LENGTH * d_OSR];
+		std::complex<float> chan_imp_resp2[CHAN_IMP_RESP_LENGTH * d_OSR];
+		auto normal_burst_start = get_norm_chan_imp_resp(ss, &chan_imp_resp[0], &ncmax, mTSC);
+		auto dummy_burst_start = get_norm_chan_imp_resp(ss, &chan_imp_resp2[0], &dcmax, TS_DUMMY);
+		auto is_nb = ncmax > dcmax;
+
+		// std::cerr << " U " << (is_nb ? "NB" : "DB") << "@ o nb: " << normal_burst_start
+		// 	  << " o db: " << dummy_burst_start << std::endl;
+
+		normal_burst_start = normal_burst_start < 39 ? normal_burst_start : 39;
+		normal_burst_start = normal_burst_start > -39 ? normal_burst_start : -39;
+
+		// fprintf(stderr, "%s %d\n", (is_nb ? "N":"D"), burst_time.FN());
+		// if (is_nb)
+		detect_burst(ss, &chan_imp_resp[0], normal_burst_start, outbin);
+		// else
+		// 	detect_burst(ss, &chan_imp_resp2[0], dummy_burst_start, outbin);
+
+		for (int i = 0; i < 148; i++)
+			(bits)[i] = (outbin[i]) < 1 ? -1 : 1;
+	}
+	RSSI = (int)floor(20.0 * log10(rxFullScale / avg));
+	timingOffset = (int)round(0);
+
+	return &bits;
+}
+
+void upper_trx::driveReceiveFIFO()
+{
+	int RSSI;
+	int TOA; // in 1/256 of a symbol
+	GSM::Time burstTime;
+
+	if (!mOn)
+		return;
+
+	SoftVector *rxBurst = pullRadioVector(burstTime, RSSI, TOA);
+
+	if (rxBurst) {
+		trxd_from_trx response;
+		response.ts = burstTime.TN();
+		response.fn = htonl(burstTime.FN());
+		response.rssi = RSSI;
+		response.toa = htons(TOA);
+
+		SoftVector::const_iterator burstItr = rxBurst->begin();
+		if (burstTime.TN() == 0 && gsm_sch_check_fn(burstTime.FN())) {
+			clamp_array(rxBurst->begin(), 148, 1.5f);
+			for (unsigned int i = 0; i < gSlotLen; i++) {
+				auto val = *burstItr++;
+				auto vval = isnan(val) ? 0 : val;
+				((int8_t *)response.symbols)[i] = round((vval - 0.5) * 64.0);
+			}
+		} else {
+			// invert and fix to +-127 sbits
+			for (int i = 0; i < 148; i++)
+				((int8_t *)response.symbols)[i] = *burstItr++ > 0.0f ? -127 : 127;
+		}
+		trxcon::trx_data_rx_handler(trxcon::trxcon_instance, (uint8_t *)&response);
+	}
+}
+
+void upper_trx::driveTx()
+{
+	trxd_to_trx e;
+	while (!trxcon::txq.spsc_pop(&e)) {
+		trxcon::txq.spsc_prep_pop();
+	}
+
+	trxd_to_trx *burst = &e;
+
+	auto proper_fn = ntohl(burst->fn);
+	// std::cerr << "got burst!" << proper_fn << ":" << burst->ts
+	// 	  << " current: " << timekeeper.gsmtime().FN()
+	// 	  << " dff: " << (int64_t)((int64_t)timekeeper.gsmtime().FN() - (int64_t)proper_fn)
+	// 	  << std::endl;
+
+	auto currTime = GSM::Time(proper_fn, burst->ts);
+	int RSSI = (int)burst->txlev;
+
+	static BitVector newBurst(gSlotLen);
+	BitVector::iterator itr = newBurst.begin();
+	auto *bufferItr = burst->symbols;
+	while (itr < newBurst.end())
+		*itr++ = *bufferItr++;
+
+	auto txburst = modulateBurst(newBurst, 8 + (currTime.TN() % 4 == 0), 4);
+	scaleVector(*txburst, txFullScale * 0.7 /* * pow(10, -RSSI / 10)*/);
+
+	// float -> int16
+	blade_sample_type burst_buf[txburst->size()];
+	convert_and_scale<int16_t, float>(burst_buf, txburst->begin(), txburst->size() * 2, 1);
+
+	// auto check = signalVector(txburst->size(), 40);
+	// convert_and_scale<float, int16_t, 1>(check.begin(), burst_buf, txburst->size() * 2);
+	// estim_burst_params ebp;
+	// auto d = detectAnyBurst(check, 2, 4, 4, CorrType::RACH, 40, &ebp);
+	// if(d)
+	// 	std::cerr << "RACH D! " << ebp.toa << std::endl;
+	// else
+	// 	std::cerr << "RACH NOOOOOOOOOO D! " << ebp.toa << std::endl;
+
+	// memory read --binary --outfile /tmp/mem.bin &burst_buf[0] --count 2500 --force
+
+	submit_burst(burst_buf, txburst->size(), currTime);
+	delete txburst;
+}
+
+int trxc_main(int argc, char *argv[])
+{
+	pthread_setname_np(pthread_self(), "main_trxc");
+
+	convolve_init();
+	convert_init();
+	sigProcLibSetup();
+	initvita();
+
+	int status = 0;
+	auto trx = new upper_trx();
+	trx->do_auto_gain = true;
+
+	status = trx->init_dev_and_streams(0, 0);
+	trx->start_threads();
+
+	return status;
+}
+
+extern "C" {
+void init_external_transceiver(struct trx_instance *trx, int argc, char **argv)
+{
+	trxcon::trxcon_instance = (trxcon::trx_instance *)trx;
+	std::cout << "init?" << std::endl;
+	trxc_main(argc, argv);
+}
+
+void close_external_transceiver(int argc, char **argv)
+{
+	std::cout << "Shutting down transceiver..." << std::endl;
+}
+
+void tx_external_transceiver(uint8_t *burst)
+{
+	trxcon::txq.spsc_push((trxd_to_trx *)burst);
+}
+}

Transceiver52M/ms/ms_rx_upper.h

@@ -0,0 +1,111 @@
+
+#pragma once
+
+/*
+ * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Eric Wild <ewild@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include <netdb.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+
+#include "GSMCommon.h"
+#include "radioClock.h"
+#include "syncthing.h"
+#include "l1if.h"
+
+using tx_queue_t = spsc_cond<8 * 1, trxd_to_trx, true, false>;
+class upper_trx : public ms_trx {
+	int rx_sps, tx_sps;
+
+	bool mOn; ///< flag to indicate that transceiver is powered on
+	double mTxFreq; ///< the transmit frequency
+	double mRxFreq; ///< the receive frequency
+	int mPower; ///< the transmit power in dB
+	unsigned mMaxExpectedDelay; ///< maximum TOA offset in GSM symbols
+	unsigned long long mRxSlotMask[8]; ///< MS - enabled multiframe slot mask
+
+	int mCtrlSockets;
+	sockaddr_in ctrldest;
+	sockaddr ctrlsrc;
+
+	void openudp(int *mSocketFD, unsigned short localPort, const char *wlocalIP)
+	{
+		*mSocketFD = socket(AF_INET, SOCK_DGRAM, 0);
+		int on = 1;
+		setsockopt(*mSocketFD, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+
+		struct sockaddr_in address;
+		size_t length = sizeof(address);
+		bzero(&address, length);
+		address.sin_family = AF_INET;
+		address.sin_addr.s_addr = inet_addr(wlocalIP);
+		address.sin_port = htons(localPort);
+		if (bind(*mSocketFD, (struct sockaddr *)&address, length) < 0) {
+			std::cerr << "bind fail!" << std::endl;
+			exit(0);
+		}
+	}
+
+	bool resolveAddress(struct sockaddr_in *address, const char *host, unsigned short port)
+	{
+		struct hostent *hp;
+		int h_errno_local;
+
+		struct hostent hostData;
+		char tmpBuffer[2048];
+
+		auto rc = gethostbyname2_r(host, AF_INET, &hostData, tmpBuffer, sizeof(tmpBuffer), &hp, &h_errno_local);
+		if (hp == NULL || hp->h_addrtype != AF_INET || rc != 0) {
+			std::cerr << "WARNING -- gethostbyname() failed for " << host << ", "
+				  << hstrerror(h_errno_local);
+			exit(0);
+			return false;
+		}
+
+		address->sin_family = hp->h_addrtype;
+		assert(sizeof(address->sin_addr) == hp->h_length);
+		memcpy(&(address->sin_addr), hp->h_addr_list[0], hp->h_length);
+		address->sin_port = htons(port);
+		return true;
+	}
+
+	void driveControl();
+	void driveReceiveFIFO();
+	void driveTx();
+	void commandhandler(char *buffer, char *response);
+	void writeClockInterface(){};
+
+	SoftVector *pullRadioVector(GSM::Time &wTime, int &RSSI, int &timingOffset);
+
+	std::thread thr_control, thr_rx, thr_tx;
+
+    public:
+	void start_threads();
+	void start_ms();
+
+	upper_trx() : rx_sps(4), tx_sps(4)
+	{
+		auto c_srcport = 6700 + 2 * 0 + 1;
+		auto c_dstport = 6700 + 2 * 0 + 101;
+
+		openudp(&mCtrlSockets, c_srcport, "127.0.0.1");
+		resolveAddress(&ctrldest, "127.0.0.1", c_dstport);
+	};
+};

Transceiver52M/ms/ms_trxcon_if.cpp

@@ -1,78 +0,0 @@
-/*
- * (C) 2023 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <atomic>
-#include "ms_trxcon_if.h"
-extern "C" {
-#include <osmocom/bb/trxcon/trxcon.h>
-#include <osmocom/bb/trxcon/l1ctl_server.h>
-#include <osmocom/core/panic.h>
-}
-
-extern tx_queue_t txq;
-extern cmd_queue_t cmdq_to_phy;
-extern cmdr_queue_t cmdq_from_phy;
-extern std::atomic<bool> g_exit_flag;
-// trxcon C call(back) if
-extern "C" {
-int trxcon_phyif_handle_burst_req(void *phyif, const struct trxcon_phyif_burst_req *br)
-{
-	if (br->burst_len == 0) // dummy/nope
-		return 0;
-	OSMO_ASSERT(br->burst != 0);
-
-	internal_q_tx_buf b(br);
-	if (!g_exit_flag)
-		txq.spsc_push(&b);
-	return 0;
-}
-
-int trxcon_phyif_handle_cmd(void *phyif, const struct trxcon_phyif_cmd *cmd)
-{
-#ifdef TXDEBUG
-	DBGLG() << "TOP C: " << cmd2str(cmd->type) << std::endl;
-#endif
-	if (!g_exit_flag)
-		cmdq_to_phy.spsc_push(cmd);
-	// q for resp polling happens in main loop
-	return 0;
-}
-
-void trxcon_phyif_close(void *phyif)
-{
-}
-
-void trxcon_l1ctl_close(struct trxcon_inst *trxcon)
-{
-	/* Avoid use-after-free: both *fi and *trxcon are children of
-	 * the L2IF (L1CTL connection), so we need to re-parent *fi
-	 * to NULL before calling l1ctl_client_conn_close(). */
-	talloc_steal(NULL, trxcon->fi);
-	l1ctl_client_conn_close((struct l1ctl_client *)trxcon->l2if);
-}
-
-int trxcon_l1ctl_send(struct trxcon_inst *trxcon, struct msgb *msg)
-{
-	struct l1ctl_client *l1c = (struct l1ctl_client *)trxcon->l2if;
-
-	return l1ctl_client_send(l1c, msg);
-}
-}

Transceiver52M/ms/ms_trxcon_if.h

@@ -1,42 +0,0 @@
-#pragma once
-/*
- * (C) 2023 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include "ms.h"
-extern "C" {
-#include <osmocom/bb/trxcon/phyif.h>
-}
-
-extern struct trxcon_inst *g_trxcon;
-struct internal_q_tx_buf {
-	trxcon_phyif_burst_req r;
-	uint8_t buf[148];
-	internal_q_tx_buf() = default;
-	internal_q_tx_buf(const internal_q_tx_buf &) = delete;
-	internal_q_tx_buf &operator=(const internal_q_tx_buf &) = default;
-	internal_q_tx_buf(const struct trxcon_phyif_burst_req *br) : r(*br)
-	{
-		memcpy(buf, (void *)br->burst, br->burst_len);
-	}
-};
-using tx_queue_t = spsc_cond<8 * 1, internal_q_tx_buf, true, false>;
-using cmd_queue_t = spsc_cond_timeout<8 * 1, trxcon_phyif_cmd, true, false>;
-using cmdr_queue_t = spsc_cond<8 * 1, trxcon_phyif_rsp, false, false>;

Transceiver52M/ms/ms_upper.cpp

@@ -1,512 +0,0 @@
-/*
- * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <csignal>
-#include "sigProcLib.h"
-#include "ms.h"
-#include <signalVector.h>
-#include <radioVector.h>
-#include <radioInterface.h>
-#include <grgsm_vitac/grgsm_vitac.h>
-
-// #define TXDEBUG
-
-extern "C" {
-
-#include "sch.h"
-#include "convolve.h"
-#include "convert.h"
-
-#include <osmocom/core/application.h>
-#include <osmocom/gsm/gsm_utils.h>
-
-#include <osmocom/bb/trxcon/trxcon.h>
-#include <osmocom/bb/trxcon/trxcon_fsm.h>
-#include <osmocom/bb/trxcon/l1ctl_server.h>
-
-extern void trxc_log_init(void *tallctx);
-#ifdef LSANDEBUG
-void __lsan_do_recoverable_leak_check();
-#endif
-}
-
-#include "ms_trxcon_if.h"
-#include "ms_upper.h"
-#include "threadsched.h"
-
-extern bool trxc_l1ctl_init(void *tallctx);
-struct trxcon_inst *g_trxcon;
-tx_queue_t txq;
-cmd_queue_t cmdq_to_phy;
-cmdr_queue_t cmdq_from_phy;
-
-#ifdef LOG
-#undef LOG
-#define LOG(...) upper_trx::dummy_log()
-#endif
-
-#define DBGLG(...) upper_trx::dummy_log()
-
-std::atomic<bool> g_exit_flag;
-
-void upper_trx::stop_upper_threads()
-{
-	g_exit_flag = true;
-
-	pthread_join(thr_control, NULL);
-	pthread_join(thr_tx, NULL);
-}
-
-void upper_trx::start_threads()
-{
-	DBGLG(...) << "spawning threads.." << std::endl;
-
-	thr_control = spawn_worker_thread(
-		sched_params::thread_names::U_CTL,
-		[](void *args) -> void * {
-			upper_trx *t = reinterpret_cast<upper_trx *>(args);
-#ifdef TXDEBUG
-			struct sched_param param;
-			int policy;
-			pthread_getschedparam(pthread_self(), &policy, &param);
-			printf("ID: %lu, CPU: %d policy = %d priority = %d\n", pthread_self(), sched_getcpu(), policy,
-			       param.sched_priority);
-#endif
-			std::cerr << "started U control!" << std::endl;
-			while (!g_exit_flag) {
-				t->driveControl();
-			}
-			std::cerr << "exit U control!" << std::endl;
-
-			return 0;
-		},
-		this);
-	thr_tx = spawn_worker_thread(
-		sched_params::thread_names::U_TX,
-		[](void *args) -> void * {
-			upper_trx *t = reinterpret_cast<upper_trx *>(args);
-#ifdef TXDEBUG
-			struct sched_param param;
-			int policy;
-			pthread_getschedparam(pthread_self(), &policy, &param);
-			printf("ID: %lu, CPU: %d policy = %d priority = %d\n", pthread_self(), sched_getcpu(), policy,
-			       param.sched_priority);
-#endif
-			std::cerr << "started U tx!" << std::endl;
-			while (!g_exit_flag) {
-				t->driveTx();
-			}
-			std::cerr << "exit U tx!" << std::endl;
-
-			return 0;
-		},
-		this);
-
-#ifdef LSANDEBUG
-	std::thread([this] {
-		set_name_aff_sched(sched_params::thread_names::LEAKCHECK);
-
-		while (1) {
-			std::this_thread::sleep_for(std::chrono::seconds{ 5 });
-			__lsan_do_recoverable_leak_check();
-		}
-	}).detach();
-#endif
-}
-
-void upper_trx::main_loop()
-{
-	set_name_aff_sched(sched_params::thread_names::U_RX);
-	set_upper_ready(true);
-	while (!g_exit_flag) {
-		driveReceiveFIFO();
-		osmo_select_main(1);
-
-		trxcon_phyif_rsp r;
-		if (cmdq_from_phy.spsc_pop(&r)) {
-			DBGLG() << "HAVE RESP:" << r.type << std::endl;
-			trxcon_phyif_handle_rsp(g_trxcon, &r);
-		}
-	}
-	set_upper_ready(false);
-	std::cerr << "exit U rx!" << std::endl;
-	mOn = false;
-}
-
-// signalvector is owning despite claiming not to, but we can pretend, too..
-static void static_free(void *wData){};
-static void *static_alloc(size_t newSize)
-{
-	return 0;
-};
-
-bool upper_trx::pullRadioVector(GSM::Time &wTime, int &RSSI, int &timingOffset)
-{
-	float pow, avg = 1.0;
-	const auto zero_pad_len = 40; // give the VA some runway for misaligned bursts
-	const auto workbuf_size = zero_pad_len + ONE_TS_BURST_LEN + zero_pad_len;
-	static complex workbuf[workbuf_size];
-
-	static signalVector sv(workbuf, zero_pad_len, ONE_TS_BURST_LEN, static_alloc, static_free);
-	one_burst e;
-	auto ss = reinterpret_cast<std::complex<float> *>(&workbuf[zero_pad_len]);
-	std::fill(workbuf, workbuf + workbuf_size, 0);
-	// assert(sv.begin() == &workbuf[40]);
-
-	while (!rxqueue.spsc_pop(&e)) {
-		rxqueue.spsc_prep_pop();
-	}
-
-	wTime = e.gsmts;
-
-	const auto is_sch = gsm_sch_check_ts(wTime.TN(), wTime.FN());
-	const auto is_fcch = gsm_fcch_check_ts(wTime.TN(), wTime.FN());
-
-	trxcon_phyif_rtr_ind i = { static_cast<uint32_t>(wTime.FN()), static_cast<uint8_t>(wTime.TN()) };
-	trxcon_phyif_rtr_rsp r = {};
-	trxcon_phyif_handle_rtr_ind(g_trxcon, &i, &r);
-	if (!(r.flags & TRXCON_PHYIF_RTR_F_ACTIVE))
-		return false;
-
-	if (is_fcch) {
-		// return trash
-		return true;
-	}
-
-	if (is_sch) {
-		for (int i = 0; i < 148; i++)
-			(demodded_softbits)[i] = (e.sch_bits[i]);
-		RSSI = 10;
-		timingOffset = 0;
-		return true;
-	}
-
-#if 1
-	convert_and_scale(ss, e.burst, ONE_TS_BURST_LEN * 2, 1.f / float(rxFullScale));
-
-	pow = energyDetect(sv, 20 * 4 /*sps*/);
-	if (pow < -1) {
-		LOG(ALERT) << "Received empty burst";
-		return false;
-	}
-
-	avg = sqrt(pow);
-	{
-		float ncmax;
-		std::complex<float> chan_imp_resp[CHAN_IMP_RESP_LENGTH * d_OSR];
-		auto normal_burst_start = get_norm_chan_imp_resp(ss, &chan_imp_resp[0], &ncmax, mTSC);
-#ifdef DBGXX
-		float dcmax;
-		std::complex<float> chan_imp_resp2[CHAN_IMP_RESP_LENGTH * d_OSR];
-		auto dummy_burst_start = get_norm_chan_imp_resp(ss, &chan_imp_resp2[0], &dcmax, TS_DUMMY);
-		auto is_nb = ncmax > dcmax;
-		// DBGLG() << " U " << (is_nb ? "NB" : "DB") << "@ o nb: " << normal_burst_start
-		// 	  << " o db: " << dummy_burst_start << std::endl;
-#endif
-		normal_burst_start = normal_burst_start < 39 ? normal_burst_start : 39;
-		normal_burst_start = normal_burst_start > -39 ? normal_burst_start : -39;
-#ifdef DBGXX
-		// fprintf(stderr, "%s %d\n", (is_nb ? "N":"D"), burst_time.FN());
-		// if (is_nb)
-#endif
-		detect_burst_nb(ss, &chan_imp_resp[0], normal_burst_start, demodded_softbits);
-#ifdef DBGXX
-		// else
-		// 	detect_burst(ss, &chan_imp_resp2[0], dummy_burst_start, outbin);
-#endif
-	}
-#else
-
-	// lower layer sch detection offset, easy to verify by just printing the detected value using both the va+sigproc code.
-	convert_and_scale(ss + 16, e.burst, ONE_TS_BURST_LEN * 2, 15);
-
-	pow = energyDetect(sv, 20 * 4 /*sps*/);
-	if (pow < -1) {
-		LOG(ALERT) << "Received empty burst";
-		return false;
-	}
-
-	avg = sqrt(pow);
-
-	/* Detect normal or RACH bursts */
-	CorrType type = CorrType::TSC;
-	struct estim_burst_params ebp;
-	auto rc = detectAnyBurst(sv, mTSC, 3, 4, type, 48, &ebp);
-	if (rc > 0) {
-		type = (CorrType)rc;
-	}
-
-	if (rc < 0) {
-		std::cerr << "UR : \x1B[31m rx fail \033[0m @ toa:" << ebp.toa << " " << e.gsmts.FN() << ":"
-			  << e.gsmts.TN() << std::endl;
-		return false;
-	}
-	SoftVector *bits = demodAnyBurst(sv, type, 4, &ebp);
-
-	SoftVector::const_iterator burstItr = bits->begin();
-	// invert and fix to +-127 sbits
-	for (int ii = 0; ii < 148; ii++) {
-		demodded_softbits[ii] = *burstItr++ > 0.0f ? -127 : 127;
-	}
-	delete bits;
-
-#endif
-	RSSI = (int)floor(20.0 * log10(rxFullScale / avg));
-	// FIXME: properly handle offset, sch/nb alignment diff? handled by lower anyway...
-	timingOffset = (int)round(0);
-
-	return true;
-}
-
-void upper_trx::driveReceiveFIFO()
-{
-	int RSSI;
-	int TOA; // in 1/256 of a symbol
-	GSM::Time burstTime;
-
-	if (!mOn)
-		return;
-
-	if (pullRadioVector(burstTime, RSSI, TOA)) {
-		trxcon_phyif_burst_ind bi;
-		bi.fn = burstTime.FN();
-		bi.tn = burstTime.TN();
-		bi.rssi = RSSI;
-		bi.toa256 = TOA;
-		bi.burst = (sbit_t *)demodded_softbits;
-		bi.burst_len = sizeof(demodded_softbits);
-		trxcon_phyif_handle_burst_ind(g_trxcon, &bi);
-	}
-
-	burstTime.incTN(2);
-	struct trxcon_phyif_rts_ind rts {
-		static_cast<uint32_t>(burstTime.FN()), static_cast<uint8_t>(burstTime.TN())
-	};
-	trxcon_phyif_handle_rts_ind(g_trxcon, &rts);
-}
-
-void upper_trx::driveTx()
-{
-	internal_q_tx_buf e;
-	static BitVector newBurst(sizeof(e.buf));
-	while (!txq.spsc_pop(&e)) {
-		txq.spsc_prep_pop();
-	}
-
-	// ensure our tx cb is tickled and can exit
-	if (g_exit_flag) {
-		submit_burst_ts(0, 1337, 1);
-		return;
-	}
-
-	internal_q_tx_buf *burst = &e;
-
-#ifdef TXDEBUG2
-	DBGLG() << "got burst!" << burst->r.fn << ":" << burst->ts << " current: " << timekeeper.gsmtime().FN()
-		<< " dff: " << (int64_t)((int64_t)timekeeper.gsmtime().FN() - (int64_t)burst->r.fn) << std::endl;
-#endif
-
-	auto currTime = GSM::Time(burst->r.fn, burst->r.tn);
-	int RSSI = (int)burst->r.pwr;
-
-	BitVector::iterator itr = newBurst.begin();
-	auto *bufferItr = burst->buf;
-	while (itr < newBurst.end())
-		*itr++ = *bufferItr++;
-
-	auto txburst = modulateBurst(newBurst, 8 + (currTime.TN() % 4 == 0), 4);
-	scaleVector(*txburst, txFullScale * pow(10, -RSSI / 10));
-
-	// float -> int16
-	blade_sample_type burst_buf[txburst->size()];
-	convert_and_scale(burst_buf, txburst->begin(), txburst->size() * 2, 1);
-#ifdef TXDEBUG2
-	auto check = signalVector(txburst->size(), 40);
-	convert_and_scale(check.begin(), burst_buf, txburst->size() * 2, 1);
-	estim_burst_params ebp;
-	auto d = detectAnyBurst(check, 2, 4, 4, CorrType::RACH, 40, &ebp);
-	if (d)
-		DBGLG() << "RACH D! " << ebp.toa << std::endl;
-	else
-		DBGLG() << "RACH NOOOOOOOOOO D! " << ebp.toa << std::endl;
-
-		// memory read --binary --outfile /tmp/mem.bin &burst_buf[0] --count 2500 --force
-#endif
-	submit_burst(burst_buf, txburst->size(), currTime);
-	delete txburst;
-}
-
-#ifdef TXDEBUG
-static const char *cmd2str(trxcon_phyif_cmd_type c)
-{
-	switch (c) {
-	case TRXCON_PHYIF_CMDT_RESET:
-		return "TRXCON_PHYIF_CMDT_RESET";
-	case TRXCON_PHYIF_CMDT_POWERON:
-		return "TRXCON_PHYIF_CMDT_POWERON";
-	case TRXCON_PHYIF_CMDT_POWEROFF:
-		return "TRXCON_PHYIF_CMDT_POWEROFF";
-	case TRXCON_PHYIF_CMDT_MEASURE:
-		return "TRXCON_PHYIF_CMDT_MEASURE";
-	case TRXCON_PHYIF_CMDT_SETFREQ_H0:
-		return "TRXCON_PHYIF_CMDT_SETFREQ_H0";
-	case TRXCON_PHYIF_CMDT_SETFREQ_H1:
-		return "TRXCON_PHYIF_CMDT_SETFREQ_H1";
-	case TRXCON_PHYIF_CMDT_SETSLOT:
-		return "TRXCON_PHYIF_CMDT_SETSLOT";
-	case TRXCON_PHYIF_CMDT_SETTA:
-		return "TRXCON_PHYIF_CMDT_SETTA";
-	default:
-		return "UNKNOWN COMMAND!";
-	}
-}
-
-static void print_cmd(trxcon_phyif_cmd_type c)
-{
-	DBGLG() << "handling " << cmd2str(c) << std::endl;
-}
-#endif
-
-bool upper_trx::driveControl()
-{
-	trxcon_phyif_rsp r;
-	trxcon_phyif_cmd cmd;
-	while (!cmdq_to_phy.spsc_pop(&cmd)) {
-		cmdq_to_phy.spsc_prep_pop();
-		if (g_exit_flag)
-			return false;
-	}
-
-	if (g_exit_flag)
-		return false;
-
-#ifdef TXDEBUG
-	print_cmd(cmd.type);
-#endif
-
-	switch (cmd.type) {
-	case TRXCON_PHYIF_CMDT_RESET:
-		set_ta(0);
-		break;
-	case TRXCON_PHYIF_CMDT_POWERON:
-		if (!mOn) {
-			mOn = true;
-			start_lower_ms();
-		}
-		break;
-	case TRXCON_PHYIF_CMDT_POWEROFF:
-		break;
-	case TRXCON_PHYIF_CMDT_MEASURE:
-		r.type = trxcon_phyif_cmd_type::TRXCON_PHYIF_CMDT_MEASURE;
-		r.param.measure.band_arfcn = cmd.param.measure.band_arfcn;
-		// FIXME: do we want to measure anything, considering the transceiver just syncs by.. syncing?
-		r.param.measure.dbm = -80;
-		tuneRx(gsm_arfcn2freq10(cmd.param.measure.band_arfcn, 0) * 1000 * 100);
-		tuneTx(gsm_arfcn2freq10(cmd.param.measure.band_arfcn, 1) * 1000 * 100);
-		cmdq_from_phy.spsc_push(&r);
-		break;
-	case TRXCON_PHYIF_CMDT_SETFREQ_H0:
-		tuneRx(gsm_arfcn2freq10(cmd.param.setfreq_h0.band_arfcn, 0) * 1000 * 100);
-		tuneTx(gsm_arfcn2freq10(cmd.param.setfreq_h0.band_arfcn, 1) * 1000 * 100);
-		break;
-	case TRXCON_PHYIF_CMDT_SETFREQ_H1:
-		break;
-	case TRXCON_PHYIF_CMDT_SETSLOT:
-		break;
-	case TRXCON_PHYIF_CMDT_SETTA:
-		set_ta(cmd.param.setta.ta);
-		break;
-	}
-	return false;
-}
-
-void sighandler(int sigset)
-{
-	// we might get a sigpipe in case the l1ctl ud socket disconnects because mobile quits
-	if (sigset == SIGPIPE || sigset == SIGINT) {
-		g_exit_flag = true;
-
-		// we know the flag is atomic and it prevents the trxcon cb handlers from writing
-		// to the queues, so submit some trash to unblock the threads & exit
-		trxcon_phyif_cmd cmd = {};
-		internal_q_tx_buf b = {};
-		txq.spsc_push(&b);
-		cmdq_to_phy.spsc_push(&cmd);
-		msleep(200);
-
-		return;
-	}
-}
-
-int main(int argc, char *argv[])
-{
-	auto tall_trxcon_ctx = talloc_init("trxcon context");
-	signal(SIGPIPE, sighandler);
-	signal(SIGINT, sighandler);
-
-	msgb_talloc_ctx_init(tall_trxcon_ctx, 0);
-	trxc_log_init(tall_trxcon_ctx);
-
-	/* Configure pretty logging */
-	log_set_print_extended_timestamp(osmo_stderr_target, 1);
-	log_set_print_category_hex(osmo_stderr_target, 0);
-	log_set_print_category(osmo_stderr_target, 1);
-	log_set_print_level(osmo_stderr_target, 1);
-
-	log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_BASENAME);
-	log_set_print_filename_pos(osmo_stderr_target, LOG_FILENAME_POS_LINE_END);
-
-	osmo_fsm_log_timeouts(true);
-
-	g_trxcon = trxcon_inst_alloc(tall_trxcon_ctx, 0);
-	g_trxcon->gsmtap = nullptr;
-	g_trxcon->phyif = nullptr;
-	g_trxcon->phy_quirks.fbsb_extend_fns = 866; // 4 seconds, known to work.
-
-	convolve_init();
-	convert_init();
-	sigProcLibSetup();
-	initvita();
-
-	int status = 0;
-	auto trx = new upper_trx();
-	trx->do_auto_gain = true;
-
-	status = trx->init_dev_and_streams();
-	if (status < 0) {
-		std::cerr << "Error initializing hardware, quitting.." << std::endl;
-		return -1;
-	}
-	set_name_aff_sched(sched_params::thread_names::MAIN);
-
-	if (!trxc_l1ctl_init(tall_trxcon_ctx)) {
-		std::cerr << "Error initializing l1ctl, quitting.." << std::endl;
-		return -1;
-	}
-
-	// blocking, will return when global exit is requested
-	trx->start_threads();
-	trx->main_loop();
-	trx->stop_threads();
-	trx->stop_upper_threads();
-
-	return status;
-}

Transceiver52M/ms/sch.h

@@ -1,48 +0,0 @@
-#pragma once
-/*
- * (C) 2013 by Andreas Eversberg <jolly@eversberg.eu>
- * (C) 2015 by Alexander Chemeris <Alexander.Chemeris@fairwaves.co>
- * (C) 2016 by Tom Tsou <tom.tsou@ettus.com>
- * (C) 2017 by Harald Welte <laforge@gnumonks.org>
- * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> / Eric Wild <ewild@sysmocom.de>
- *
- * All Rights Reserved
- *
- * SPDX-License-Identifier: GPL-2.0+
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <osmocom/core/bits.h>
-
-struct sch_info  {
-	int bsic;
-	int t1;
-	int t2;
-	int t3p;
-};
-
-#define GSM_SCH_INFO_LEN		25
-#define GSM_SCH_UNCODED_LEN		35
-#define GSM_SCH_CODED_LEN		78
-
-int gsm_sch_decode(uint8_t *sb_info, sbit_t *burst);
-int gsm_sch_parse(const uint8_t *sb_info, struct sch_info *desc);
-int gsm_sch_to_fn(struct sch_info *sch);
-int gsm_sch_check_fn(int fn);
-int gsm_fcch_check_fn(int fn);
-int gsm_fcch_check_ts(int ts, int fn);
-int gsm_sch_check_ts(int ts, int fn);
-
-double gsm_fcch_offset(float *burst, int len);
-
-int float_to_sbit(const float *in, sbit_t *out, float scale, int len);
-

Transceiver52M/ms/syncthing.cpp

@@ -0,0 +1,337 @@
+
+/*
+ * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Eric Wild <ewild@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include "GSMCommon.h"
+#include <atomic>
+#include <cassert>
+#include <complex>
+#include <iostream>
+#include <cstdlib>
+#include <cstdio>
+#include <thread>
+#include <fstream>
+
+#include "sigProcLib.h"
+
+#include "syncthing.h"
+#include "ms_rx_burst.h"
+#include "grgsm_vitac/grgsm_vitac.h"
+
+extern "C" {
+#include "sch.h"
+#include "convolve.h"
+#include "convert.h"
+}
+
+dummylog ms_trx::dummy_log;
+
+const int offset_start = -15;
+int offsetrange = 200;
+static int offset_ctr = 0;
+
+void tx_test(ms_trx *t, ts_hitter_q_t *q, unsigned int *tsc)
+{
+	sched_param sch_params;
+	sch_params.sched_priority = sched_get_priority_max(SCHED_FIFO);
+	pthread_setschedparam(pthread_self(), SCHED_FIFO, &sch_params);
+
+	auto burst = genRandAccessBurst(0, 4, 0);
+	scaleVector(*burst, t->txFullScale * 0.7);
+
+	// float -> int16
+	blade_sample_type burst_buf[burst->size()];
+	convert_and_scale<int16_t, float>(burst_buf, burst->begin(), burst->size() * 2, 1);
+
+	while (1) {
+		GSM::Time target;
+		while (!q->spsc_pop(&target)) {
+			q->spsc_prep_pop();
+		}
+
+		std::cerr << std::endl << "\x1B[32m hitting " << target.FN() << "\033[0m" << std::endl;
+
+		int timing_advance = 0;
+		int64_t now_ts;
+		GSM::Time now_time;
+		target.incTN(3); // ul dl offset
+		int target_fn = target.FN();
+		int target_tn = target.TN();
+		t->timekeeper.get_both(&now_time, &now_ts);
+
+		auto diff_fn = GSM::FNDelta(target_fn, now_time.FN());
+		int diff_tn = (target_tn - (int)now_time.TN()) % 8;
+		auto tosend = GSM::Time(diff_fn, 0);
+
+		if (diff_tn > 0)
+			tosend.incTN(diff_tn);
+		else if (diff_tn < 0)
+			tosend.decTN(-diff_tn);
+
+		// in thory fn equal and tn+3 equal is also a problem...
+		if (diff_fn < 0 || (diff_fn == 0 && (now_time.TN() - target_tn < 1))) {
+			std::cerr << "## TX too late?! fn DIFF:" << diff_fn << " tn LOCAL: " << now_time.TN()
+				  << " tn OTHER: " << target_tn << std::endl;
+			return;
+		}
+
+		auto check = now_time + tosend;
+		int64_t send_ts =
+			now_ts + tosend.FN() * 8 * ONE_TS_BURST_LEN + tosend.TN() * ONE_TS_BURST_LEN - timing_advance;
+
+		// std::cerr << "## fn DIFF: " << diff_fn << " ## tn DIFF: " << diff_tn
+		// 			<< " tn LOCAL: " << now_time.TN() << " tn OTHER: " << target_tn
+		// 			<< " tndiff" << diff_tn << " tosend:" << tosend.FN() << ":" << tosend.TN()
+		// 			<< " calc: " << check.FN() << ":" <<check.TN()
+		// 			<< " target: " << target.FN() << ":" <<target.TN()
+		// 			<< " ts now: " << now_ts << " target ts:" << send_ts << std::endl;
+
+		unsigned int pad = 4 * 25;
+		blade_sample_type buf2[burst->size() + pad];
+		memset(buf2, 0, pad * sizeof(blade_sample_type));
+		memcpy(&buf2[pad], burst_buf, burst->size() * sizeof(blade_sample_type));
+
+		assert(target.FN() == check.FN());
+		assert(target.TN() == check.TN());
+		assert(target.FN() % 51 == 21);
+
+		// auto this_offset = offset_start + (offset_ctr++ % offsetrange);
+		// std::cerr << "-- O " << this_offset << std::endl;
+		// send_ts = now_ts + ((target.FN() * 8 + (int)target.TN()) - (now_time.FN() * 8 + (int)now_time.TN())) * ONE_TS_BURST_LEN - timing_advance;
+
+		t->submit_burst_ts(buf2, burst->size() + pad, send_ts - pad);
+
+		// signalVector test(burst->size() + pad);
+		// convert_and_scale<float, int16_t>(test.begin(), buf2, burst->size() * 2 + pad, 1.f / float(scale));
+		// estim_burst_params ebp;
+		// auto det = detectAnyBurst(test, 0, 4, 4, CorrType::RACH, 40, &ebp);
+		// if (det > 0)
+		// 	std::cerr << "## Y " << ebp.toa << std::endl;
+		// else
+		// 	std::cerr << "## NOOOOOOOOO " << ebp.toa << std::endl;
+	}
+}
+#ifdef SYNCTHINGONLY
+template <typename A> auto parsec(std::vector<std::string> &v, A &itr, std::string arg, bool *rv)
+{
+	if (*itr == arg) {
+		*rv = true;
+		return true;
+	}
+	return false;
+}
+
+template <typename A, typename B, typename C>
+bool parsec(std::vector<std::string> &v, A &itr, std::string arg, B f, C *rv)
+{
+	if (*itr == arg) {
+		itr++;
+		if (itr != v.end()) {
+			*rv = f(itr->c_str());
+			return true;
+		}
+	}
+	return false;
+}
+template <typename A> bool parsec(std::vector<std::string> &v, A &itr, std::string arg, int scale, int *rv)
+{
+	return parsec(
+		v, itr, arg, [scale](const char *v) -> auto{ return atoi(v) * scale; }, rv);
+}
+template <typename A> bool parsec(std::vector<std::string> &v, A &itr, std::string arg, int scale, unsigned int *rv)
+{
+	return parsec(
+		v, itr, arg, [scale](const char *v) -> auto{ return atoi(v) * scale; }, rv);
+}
+
+int main(int argc, char *argv[])
+{
+	cpu_set_t cpuset;
+
+	CPU_ZERO(&cpuset);
+	CPU_SET(2, &cpuset);
+
+	auto rv = pthread_setaffinity_np(pthread_self(), sizeof(cpuset), &cpuset);
+	if (rv < 0) {
+		std::cerr << "affinity: errreur! " << std::strerror(errno);
+		return 0;
+	}
+
+	unsigned int default_tx_freq(881000 * 1000), default_rx_freq(926000 * 1000);
+	unsigned int grx = 20, gtx = 20;
+	bool tx_flag = false;
+	pthread_setname_np(pthread_self(), "main");
+	convolve_init();
+	convert_init();
+	sigProcLibSetup();
+	initvita();
+
+	int status = 0;
+	auto trx = new ms_trx();
+	trx->do_auto_gain = true;
+
+	std::vector<std::string> args(argv + 1, argv + argc);
+	for (auto i = args.begin(); i != args.end(); ++i) {
+		parsec(args, i, "-r", 1000, &default_rx_freq);
+		parsec(args, i, "-t", 1000, &default_tx_freq);
+		parsec(args, i, "-gr", 1, &grx);
+		parsec(args, i, "-gt", 1, &gtx);
+		parsec(args, i, "-tx", &tx_flag);
+	}
+
+	std::cerr << "usage: " << argv[0] << " <rxfreq in khz, i.e. 926000> [txfreq in khz, i.e. 881000] [TX]"
+		  << std::endl
+		  << "rx" << (argc == 1 ? " (default) " : " ") << default_rx_freq << "hz, tx " << default_tx_freq
+		  << "hz" << std::endl
+		  << "gain rx " << grx << " gain tx " << gtx << std::endl
+		  << (tx_flag ? "##!!## RACH TX ACTIVE ##!!##" : "-- no rach tx --") << std::endl;
+
+	status = trx->init_dev_and_streams(0, 0);
+	if (status < 0)
+		return status;
+	trx->tuneRx(default_rx_freq);
+	trx->tuneTx(default_tx_freq);
+	trx->setRxGain(grx);
+	trx->setTxGain(gtx);
+
+	if (status == 0) {
+		// FIXME: hacks! needs exit flag for detached threads!
+
+		std::thread(rcv_bursts_test, &trx->rxqueue, &trx->mTSC, trx->rxFullScale).detach();
+		if (tx_flag)
+			std::thread(tx_test, trx, &trx->ts_hitter_q, &trx->mTSC).detach();
+		trx->start();
+		do {
+			sleep(1);
+		} while (1);
+
+		trx->stop_threads();
+	}
+	delete trx;
+
+	return status;
+}
+#endif
+
+int ms_trx::init_streams(void *rx_cb, void *tx_cb)
+{
+	return 0;
+}
+
+int ms_trx::init_dev_and_streams(void *rx_cb, void *tx_cb)
+{
+	int status = 0;
+	status = base::init_device(rx_bh(), tx_bh());
+	if (status < 0) {
+		std::cerr << "failed to init dev!" << std::endl;
+		return -1;
+	}
+	return status;
+}
+
+bh_fn_t ms_trx::rx_bh()
+{
+	return [this](dev_buf_t *rcd) -> int {
+		if (this->search_for_sch(rcd) == SCH_STATE::FOUND)
+			this->grab_bursts(rcd);
+		return 0;
+	};
+}
+
+bh_fn_t ms_trx::tx_bh()
+{
+	return [this](dev_buf_t *rcd) -> int {
+#pragma unused(rcd)
+		auto y = this;
+#pragma unused(y)
+		/* nothing to do here */
+		return 0;
+	};
+}
+
+void ms_trx::start()
+{
+	auto fn = get_rx_burst_handler_fn(rx_bh());
+	rx_task = std::thread(fn);
+
+	usleep(1000);
+	auto fn2 = get_tx_burst_handler_fn(tx_bh());
+	tx_task = std::thread(fn2);
+}
+
+void ms_trx::set_upper_ready(bool is_ready)
+{
+	upper_is_ready = is_ready;
+}
+
+void ms_trx::stop_threads()
+{
+	std::cerr << "killing threads...\r\n" << std::endl;
+	rx_task.join();
+}
+
+void ms_trx::submit_burst(blade_sample_type *buffer, int len, GSM::Time target)
+{
+	int64_t now_ts;
+	GSM::Time now_time;
+	target.incTN(3); // ul dl offset
+	int target_fn = target.FN();
+	int target_tn = target.TN();
+	timekeeper.get_both(&now_time, &now_ts);
+
+	auto diff_fn = GSM::FNDelta(target_fn, now_time.FN());
+	int diff_tn = (target_tn - (int)now_time.TN()) % 8;
+	auto tosend = GSM::Time(diff_fn, 0);
+
+	if (diff_tn > 0)
+		tosend.incTN(diff_tn);
+	else
+		tosend.decTN(-diff_tn);
+
+	// in thory fn equal and tn+3 equal is also a problem...
+	if (diff_fn < 0 || (diff_fn == 0 && (now_time.TN() - target_tn < 1))) {
+		std::cerr << "## TX too late?! fn DIFF:" << diff_fn << " tn LOCAL: " << now_time.TN()
+			  << " tn OTHER: " << target_tn << std::endl;
+		return;
+	}
+
+	auto check = now_time + tosend;
+	int64_t send_ts = now_ts + tosend.FN() * 8 * ONE_TS_BURST_LEN + tosend.TN() * ONE_TS_BURST_LEN - timing_advance;
+
+	// std::cerr << "## fn DIFF: " << diff_fn << " ## tn DIFF: " << diff_tn
+	// 			<< " tn LOCAL/OTHER: " << now_time.TN() << "/" << target_tn
+	// 			<< " tndiff" << diff_tn << " tosend:" << tosend.FN() << ":" << tosend.TN()
+	// 			<< " check: " << check.FN() << ":" <<check.TN()
+	// 			<< " target: " << target.FN() << ":" <<target.TN()
+	// 			<< " ts now: " << now_ts << " target ts:" << send_ts << std::endl;
+
+#if 1
+	unsigned int pad = 4 * 4;
+	blade_sample_type buf2[len + pad];
+	memset(buf2, 0, pad * sizeof(blade_sample_type));
+	memcpy(&buf2[pad], buffer, len * sizeof(blade_sample_type));
+
+	assert(target.FN() == check.FN());
+	assert(target.TN() == check.TN());
+	submit_burst_ts(buf2, len + pad, send_ts - pad);
+#else
+	submit_burst_ts(buffer, len, send_ts);
+#endif
+}

Transceiver52M/ms/syncthing.h

@@ -1,4 +1,5 @@
 #pragma once
+
 /*
  * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
  * All Rights Reserved
@@ -26,7 +27,7 @@
 #include <cstdint>
 #include <mutex>
 #include <iostream>
-// #include <thread>
+#include <thread>
 
 #if defined(BUILDBLADE)
 #include "bladerf_specific.h"
@@ -34,92 +35,37 @@
 #elif defined(BUILDUHD)
 #include "uhd_specific.h"
 #define BASET uhd_hw<ms_trx>
+#elif defined(BUILDIPC)
+#include "ipc_specific.h"
+#define BASET ipc_hw<ms_trx>
 #else
 #error wat? no device..
 #endif
 
-#include "Complex.h"
 #include "GSMCommon.h"
 #include "itrq.h"
-#include "threadpool.h"
-#include "threadsched.h"
 
 const unsigned int ONE_TS_BURST_LEN = (3 + 58 + 26 + 58 + 3 + 8.25) * 4 /*sps*/;
+const unsigned int NUM_RXQ_FRAMES = 1; // rx thread <-> upper rx queue
 const unsigned int SCH_LEN_SPS = (ONE_TS_BURST_LEN * 8 /*ts*/ * 12 /*frames*/);
 
-template <typename T>
+template <typename T> void clamp_array(T *start2, unsigned int len, T max)
-void clamp_array(T *start2, unsigned int len, T max)
 {
-	for (unsigned int i = 0; i < len; i++) {
+	for (int i = 0; i < len; i++) {
 		const T t1 = start2[i] < -max ? -max : start2[i];
 		const T t2 = t1 > max ? max : t1;
 		start2[i] = t2;
 	}
 }
-
-namespace cvt_internal
-{
-
-template <typename SRC_T, typename ST>
-void convert_and_scale_i(float *dst, const SRC_T *src, unsigned int src_len, ST scale)
-{
-	for (unsigned int i = 0; i < src_len; i++)
-		dst[i] = static_cast<float>(src[i]) * scale;
-}
-
-template <typename DST_T, typename ST>
-void convert_and_scale_i(DST_T *dst, const float *src, unsigned int src_len, ST scale)
-{
-	for (unsigned int i = 0; i < src_len; i++)
-		dst[i] = static_cast<DST_T>(src[i] * scale);
-}
-
-template <typename ST>
-void convert_and_scale_i(float *dst, const float *src, unsigned int src_len, ST scale)
-{
-	for (unsigned int i = 0; i < src_len; i++)
-		dst[i] = src[i] * scale;
-}
-
-template <typename T>
-struct is_complex : std::false_type {
-	using baset = T;
-	static const unsigned int len_mul = 1;
-};
-
-template <typename T>
-struct is_complex<std::complex<T>> : std::true_type {
-	using baset = typename std::complex<T>::value_type;
-	static const unsigned int len_mul = 2;
-};
-
-template <typename T>
-struct is_complex<Complex<T>> : std::true_type {
-	using baset = typename Complex<T>::value_type;
-	static const unsigned int len_mul = 2;
-};
-
-} // namespace cvt_internal
-
 template <typename DST_T, typename SRC_T, typename ST>
-void convert_and_scale(DST_T *dst, const SRC_T *src, unsigned int src_len, ST scale)
+void convert_and_scale(void *dst, void *src, unsigned int src_len, ST scale)
 {
-	using vd = typename cvt_internal::is_complex<DST_T>::baset;
+	for (unsigned int i = 0; i < src_len; i++)
-	using vs = typename cvt_internal::is_complex<SRC_T>::baset;
+		reinterpret_cast<DST_T *>(dst)[i] = static_cast<DST_T>((reinterpret_cast<SRC_T *>(src)[i])) * scale;
-	return cvt_internal::convert_and_scale_i((vd *)dst, (vs *)src, src_len, scale);
 }
-
+template <typename DST_T, typename SRC_T> void convert_and_scale_default(void *dst, void *src, unsigned int src_len)
-template <typename array_t>
-float normed_abs_sum(array_t *src, int len)
 {
-	using vd = typename cvt_internal::is_complex<array_t>::baset;
+	return convert_and_scale<DST_T, SRC_T>(dst, src, src_len, SAMPLE_SCALE_FACTOR);
-	auto len_mul = cvt_internal::is_complex<array_t>::len_mul;
-	auto ptr = reinterpret_cast<const vd *>(src);
-	float sum = 0;
-	for (unsigned int i = 0; i < len * len_mul; i++)
-		sum += std::abs(ptr[i]);
-	sum /= len * len_mul;
-	return sum;
 }
 
 struct one_burst {
@@ -129,11 +75,11 @@ struct one_burst {
 	GSM::Time gsmts;
 	union {
 		blade_sample_type burst[ONE_TS_BURST_LEN];
-		char sch_bits[148];
+		unsigned char sch_bits[148];
 	};
 };
 
-using rx_queue_t = spsc_cond_timeout<4, one_burst, true, false>;
+using rx_queue_t = spsc_cond<8 * NUM_RXQ_FRAMES, one_burst, true, true>;
 
 enum class SCH_STATE { SEARCHING, FOUND };
 
@@ -219,21 +165,7 @@ class time_keeper {
 
 using ts_hitter_q_t = spsc_cond<64, GSM::Time, true, false>;
 
-// used to globally initialize the sched/hw information
+struct ms_trx : public BASET {
-struct sched_hw_info {
-	int hw_cpus;
-	sched_params::target hw_target;
-
-	sched_hw_info()
-	{
-		hw_cpus = std::thread::hardware_concurrency();
-		hw_target = hw_cpus > 4 ? sched_params::target::ODROID : sched_params::target::PI4;
-		set_sched_target(hw_target);
-		std::cerr << "scheduling for: " << (hw_cpus > 4 ? "odroid" : "pi4") << std::endl;
-	}
-};
-
-struct ms_trx : public BASET, public sched_hw_info {
 	using base = BASET;
 	static dummylog dummy_log;
 	unsigned int mTSC;
@@ -241,12 +173,15 @@ struct ms_trx : public BASET, public sched_hw_info {
 	int timing_advance;
 	bool do_auto_gain;
 
-	pthread_t lower_rx_task;
+	std::thread rx_task;
-	pthread_t lower_tx_task;
+	std::thread tx_task;
+	std::thread *calcrval_task;
 
 	// provides bursts to upper rx thread
 	rx_queue_t rxqueue;
-
+#ifdef SYNCTHINGONLY
+	ts_hitter_q_t ts_hitter_q;
+#endif
 	blade_sample_type *first_sch_buf;
 	blade_sample_type *burst_copy_buffer;
 
@@ -258,29 +193,28 @@ struct ms_trx : public BASET, public sched_hw_info {
 	int64_t first_sch_ts_start = -1;
 
 	time_keeper timekeeper;
-	single_thread_pool worker_thread; // uses base class sched target hw info
 
-	void start_lower_ms();
+	void start();
 	std::atomic<bool> upper_is_ready;
 	void set_upper_ready(bool is_ready);
 
 	bool handle_sch_or_nb();
 	bool handle_sch(bool first = false);
-	bool decode_sch(char *bits, bool update_global_clock);
+	bool decode_sch(float *bits, bool update_global_clock);
 	SCH_STATE search_for_sch(dev_buf_t *rcd);
 	void grab_bursts(dev_buf_t *rcd);
 
-	int init_dev_and_streams();
+	int init_device();
+	int init_streams(void *rx_cb, void *tx_cb);
+	int init_dev_and_streams(void *rx_cb, void *tx_cb);
 	void stop_threads();
 	void *rx_cb(ms_trx *t);
 	void *tx_cb();
 	void maybe_update_gain(one_burst &brst);
 
 	ms_trx()
-		: mTSC(0), mBSIC(0), timing_advance(0), do_auto_gain(false), rxqueue(),
+		: timing_advance(0), do_auto_gain(false), rxqueue(), first_sch_buf(new blade_sample_type[SCH_LEN_SPS]),
-		  first_sch_buf(new blade_sample_type[SCH_LEN_SPS]),
+		  burst_copy_buffer(new blade_sample_type[ONE_TS_BURST_LEN]), rcv_done{ false }, sch_thread_done{ false }
-		  burst_copy_buffer(new blade_sample_type[ONE_TS_BURST_LEN]), first_sch_buf_rcv_ts(0),
-		  rcv_done{ false }, sch_thread_done{ false }, upper_is_ready(false)
 	{
 	}
 

Transceiver52M/ms/threadpool.h

@@ -1,95 +0,0 @@
-#pragma once
-/*
- * (C) 2023 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <atomic>
-#include <vector>
-#include <future>
-#include <mutex>
-#include <queue>
-#include "threadsched.h"
-
-struct single_thread_pool {
-	std::mutex m;
-	std::condition_variable cv;
-	std::atomic<bool> stop_flag;
-	std::atomic<bool> is_ready;
-	std::deque<std::function<void()>> wq;
-	pthread_t worker_thread;
-
-	template <class F>
-	void add_task(F &&f)
-	{
-		std::unique_lock<std::mutex> l(m);
-		wq.emplace_back(std::forward<F>(f));
-		cv.notify_one();
-		return;
-	}
-
-	single_thread_pool() : stop_flag(false), is_ready(false)
-	{
-		worker_thread = spawn_worker_thread(
-			sched_params::thread_names::SCH_SEARCH,
-			[](void *args) -> void * {
-				using thist = decltype(this);
-				thist t = reinterpret_cast<thist>(args);
-				t->thread_loop();
-				return 0;
-			},
-			this);
-	}
-	~single_thread_pool()
-	{
-		stop();
-	}
-
-    private:
-	void stop()
-	{
-		{
-			std::unique_lock<std::mutex> l(m);
-			wq.clear();
-			stop_flag = true;
-			cv.notify_one();
-		}
-		pthread_join(worker_thread, nullptr);
-	}
-
-	void thread_loop()
-	{
-		while (true) {
-			is_ready = true;
-			std::function<void()> f;
-			{
-				std::unique_lock<std::mutex> l(m);
-				if (wq.empty()) {
-					cv.wait(l, [&] { return !wq.empty() || stop_flag; });
-				}
-				if (stop_flag)
-					return;
-				is_ready = false;
-				f = std::move(wq.front());
-				wq.pop_front();
-			}
-			f();
-		}
-	}
-};

Transceiver52M/ms/threadsched.cpp

@@ -1,104 +0,0 @@
-/*
- * (C) 2023 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <cerrno>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <thread>
-
-extern "C" {
-#include <pthread.h>
-}
-
-#include "threadsched.h"
-
-sched_params::target scheduling_target;
-
-void set_sched_target(sched_params::target t)
-{
-	scheduling_target = t;
-}
-
-void set_name_aff_sched(std::thread::native_handle_type h, const char *name, int cpunum, int schedtype, int prio)
-{
-	pthread_setname_np(h, name);
-
-	cpu_set_t cpuset;
-
-	CPU_ZERO(&cpuset);
-	CPU_SET(cpunum, &cpuset);
-
-	if (pthread_setaffinity_np(h, sizeof(cpuset), &cpuset) < 0) {
-		std::cerr << name << " affinity: errreur! " << std::strerror(errno);
-		return exit(0);
-	}
-
-	sched_param sch_params;
-	sch_params.sched_priority = prio;
-	if (pthread_setschedparam(h, schedtype, &sch_params) < 0) {
-		std::cerr << name << " sched: errreur! " << std::strerror(errno);
-		return exit(0);
-	}
-}
-
-static pthread_t do_spawn_thr(const char *name, int cpunum, int schedtype, int prio, worker_func_sig fun, void *arg)
-{
-	pthread_t thread;
-
-	pthread_attr_t attr;
-	pthread_attr_init(&attr);
-
-	sched_param sch_params;
-	sch_params.sched_priority = prio;
-	cpu_set_t cpuset;
-	CPU_ZERO(&cpuset);
-	CPU_SET(cpunum, &cpuset);
-	auto a = pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cpuset);
-	a |= pthread_attr_setschedpolicy(&attr, schedtype);
-	a |= pthread_attr_setschedparam(&attr, &sch_params);
-	a |= pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
-	if (a)
-		std::cerr << "thread arg rc:" << a << std::endl;
-	pthread_create(&thread, &attr, fun, arg);
-	pthread_setname_np(thread, name);
-	pthread_attr_destroy(&attr);
-	return thread;
-}
-
-void set_name_aff_sched(std::thread::native_handle_type h, sched_params::thread_names name)
-{
-	auto tgt = schdp[scheduling_target][name];
-	// std::cerr << "scheduling for: " << tgt.name << ":" << tgt.core << std::endl;
-	set_name_aff_sched(h, tgt.name, tgt.core, tgt.schedtype, tgt.prio);
-}
-
-void set_name_aff_sched(sched_params::thread_names name)
-{
-	set_name_aff_sched(pthread_self(), name);
-}
-
-pthread_t spawn_worker_thread(sched_params::thread_names name, worker_func_sig fun, void *arg)
-{
-	auto tgt = schdp[scheduling_target][name];
-	// std::cerr << "scheduling for: " << tgt.name << ":" << tgt.core << " prio:" << tgt.prio << std::endl;
-	return do_spawn_thr(tgt.name, tgt.core, tgt.schedtype, tgt.prio, fun, arg);
-}

Transceiver52M/ms/threadsched.h

@@ -1,68 +0,0 @@
-#pragma once
-/*
- * (C) 2023 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * Author: Eric Wild <ewild@sysmocom.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-extern "C" {
-#include <pthread.h>
-#include <sched.h>
-}
-
-static struct sched_params {
-	enum thread_names { U_CTL = 0, U_RX, U_TX, SCH_SEARCH, MAIN, LEAKCHECK, RXRUN, TXRUN, _THRD_NAME_COUNT };
-	enum target { ODROID = 0, PI4 };
-	const char *name;
-	int core;
-	int schedtype;
-	int prio;
-} schdp[][sched_params::_THRD_NAME_COUNT]{
-	{
-		{ "upper_ctrl", 2, SCHED_RR, sched_get_priority_max(SCHED_RR) },
-		{ "upper_rx", 2, SCHED_RR, sched_get_priority_max(SCHED_RR) - 5 },
-		{ "upper_tx", 2, SCHED_RR, sched_get_priority_max(SCHED_RR) - 1 },
-
-		{ "sch_search", 3, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 5 },
-		{ "main", 3, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 5 },
-		{ "leakcheck", 3, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 10 },
-
-		{ "rxrun", 4, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 2 },
-		{ "txrun", 5, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 1 },
-	},
-	{
-		{ "upper_ctrl", 1, SCHED_RR, sched_get_priority_max(SCHED_RR) },
-		{ "upper_rx", 1, SCHED_RR, sched_get_priority_max(SCHED_RR) - 5 },
-		{ "upper_tx", 1, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 1 },
-
-		{ "sch_search", 1, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 5 },
-		{ "main", 3, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 5 },
-		{ "leakcheck", 1, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 10 },
-
-		{ "rxrun", 2, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 2 },
-		{ "txrun", 3, SCHED_FIFO, sched_get_priority_max(SCHED_FIFO) - 1 },
-	},
-};
-
-void set_sched_target(sched_params::target t);
-
-using worker_func_sig = void *(*)(void *);
-
-void set_name_aff_sched(sched_params::thread_names name);
-
-pthread_t spawn_worker_thread(sched_params::thread_names name, worker_func_sig fun, void *arg);

Transceiver52M/ms/uhd_specific.h

@@ -1,4 +1,5 @@
 #pragma once
+
 /*
  * (C) 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
  * All Rights Reserved
@@ -65,8 +66,7 @@ struct uhd_buf_wrap {
 using dev_buf_t = uhd_buf_wrap;
 using bh_fn_t = std::function<int(dev_buf_t *)>;
 
-template <typename T>
+template <typename T> struct uhd_hw {
-struct uhd_hw {
 	uhd::usrp::multi_usrp::sptr dev;
 	uhd::rx_streamer::sptr rx_stream;
 	uhd::tx_streamer::sptr tx_stream;
@@ -77,38 +77,26 @@ struct uhd_hw {
 	const unsigned int rxFullScale, txFullScale;
 	const int rxtxdelay;
 	float rxgain, txgain;
-	static std::atomic<bool> stop_lower_threads_flag;
-	double rxfreq_cache, txfreq_cache;
 
 	virtual ~uhd_hw()
 	{
 		delete[] one_pkt_buf;
 	}
-	uhd_hw() : rxFullScale(32767), txFullScale(32767 * 0.3), rxtxdelay(-67), rxfreq_cache(0), txfreq_cache(0)
+	uhd_hw() : rxFullScale(32767), txFullScale(32767), rxtxdelay(-67)
-	{
-	}
-
-	void close_device()
 	{
 	}
 
 	bool tuneTx(double freq, size_t chan = 0)
 	{
-		if (txfreq_cache == freq)
-			return true;
 		msleep(25);
 		dev->set_tx_freq(freq, chan);
-		txfreq_cache = freq;
 		msleep(25);
 		return true;
 	};
 	bool tuneRx(double freq, size_t chan = 0)
 	{
-		if (rxfreq_cache == freq)
-			return true;
 		msleep(25);
 		dev->set_rx_freq(freq, chan);
-		rxfreq_cache = freq;
 		msleep(25);
 		return true;
 	};
@@ -141,7 +129,6 @@ struct uhd_hw {
 	int init_device(bh_fn_t rxh, bh_fn_t txh)
 	{
 		auto const lock_delay_ms = 500;
-		auto clock_lock_attempts = 15; // x lock_delay_ms
 		auto const mcr = 26e6;
 		auto const rate = (1625e3 / 6) * 4;
 		auto const ref = "external";
@@ -149,8 +136,7 @@ struct uhd_hw {
 		auto const freq = 931.4e6; // 936.8e6
 		auto bw = 0.5e6;
 		auto const channel = 0;
-		// aligned to blade: 1020 samples per transfer
+		std::string args = {};
-		std::string args = { "recv_frame_size=4092,send_frame_size=4092" };
 
 		dev = uhd::usrp::multi_usrp::make(args);
 		std::cout << "Using Device: " << dev->get_pp_string() << std::endl;
@@ -166,18 +152,8 @@ struct uhd_hw {
 		dev->set_tx_bandwidth(bw, channel);
 
 		while (!(dev->get_rx_sensor("lo_locked", channel).to_bool() &&
-			 dev->get_mboard_sensor("ref_locked").to_bool()) &&
+			 dev->get_mboard_sensor("ref_locked").to_bool()))
-		       clock_lock_attempts > 0) {
-			std::cerr << "clock source lock attempts remaining: " << clock_lock_attempts << ".."
-				  << std::endl;
 			std::this_thread::sleep_for(std::chrono::milliseconds(lock_delay_ms));
-			clock_lock_attempts--;
-		}
-
-		if (clock_lock_attempts <= 0) {
-			std::cerr << "Error locking clock, gpsdo missing? quitting.." << std::endl;
-			return -1;
-		}
 
 		uhd::stream_args_t stream_args("sc16", "sc16");
 		rx_stream = dev->get_rx_stream(stream_args);
@@ -192,26 +168,27 @@ struct uhd_hw {
 		return 0;
 	}
 
-	void actually_enable_streams()
-	{
-		// nop: stream cmd in handler
-	}
-
 	void *rx_cb(bh_fn_t burst_handler)
 	{
-		void *ret = nullptr;
+		void *ret;
 		static int to_skip = 0;
 
 		uhd::rx_metadata_t md;
-		auto num_rx_samps = rx_stream->recv(pkt_ptrs.front(), rx_spp, md, 1.0, true);
+		auto num_rx_samps = rx_stream->recv(pkt_ptrs.front(), rx_spp, md, 3.0, true);
 
 		if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_TIMEOUT) {
 			std::cerr << boost::format("Timeout while streaming") << std::endl;
 			exit(0);
 		}
 		if (md.error_code == uhd::rx_metadata_t::ERROR_CODE_OVERFLOW) {
-			std::cerr << boost::format("Got an overflow indication\n") << std::endl;
+			std::cerr << boost::format("Got an overflow indication. Please consider the following:\n"
+						   "  Your write medium must sustain a rate of %fMB/s.\n"
+						   "  Dropped samples will not be written to the file.\n"
+						   "  Please modify this example for your purposes.\n"
+						   "  This message will not appear again.\n") %
+					     1.f;
 			exit(0);
+			;
 		}
 		if (md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE) {
 			std::cerr << str(boost::format("Receiver error: %s") % md.strerror());
@@ -231,29 +208,24 @@ struct uhd_hw {
 
 	auto get_rx_burst_handler_fn(bh_fn_t burst_handler)
 	{
-		// C cb -> ghetto closure capture, which is fine, the args never change.
+		auto fn = [this, burst_handler] {
-		static auto rx_burst_cap_this = this;
-		static auto rx_burst_cap_bh = burst_handler;
-		auto fn = [](void *args) -> void * {
 			pthread_setname_np(pthread_self(), "rxrun");
 
 			uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
 			stream_cmd.stream_now = true;
 			stream_cmd.time_spec = uhd::time_spec_t();
-			rx_burst_cap_this->rx_stream->issue_stream_cmd(stream_cmd);
+			rx_stream->issue_stream_cmd(stream_cmd);
 
-			while (!rx_burst_cap_this->stop_lower_threads_flag) {
+			while (1) {
-				rx_burst_cap_this->rx_cb(rx_burst_cap_bh);
+				rx_cb(burst_handler);
 			}
-			return 0;
 		};
 		return fn;
 	}
 	auto get_tx_burst_handler_fn(bh_fn_t burst_handler)
 	{
-		auto fn = [](void *args) -> void * {
+		auto fn = [] {
 			// dummy
-			return 0;
 		};
 		return fn;
 	}
@@ -266,14 +238,37 @@ struct uhd_hw {
 		m.time_spec = m.time_spec.from_ticks(ts + rxtxdelay, rxticks); // uhd specific b210 delay!
 		std::vector<void *> ptrs(1, buffer);
 
-		tx_stream->send(ptrs, len, m, 1.0);
+		tx_stream->send(ptrs, len, m);
-#ifdef DBGXX
+
 		uhd::async_metadata_t async_md;
 		bool tx_ack = false;
 		while (!tx_ack && tx_stream->recv_async_msg(async_md)) {
 			tx_ack = (async_md.event_code == uhd::async_metadata_t::EVENT_CODE_BURST_ACK);
 		}
 		std::cout << (tx_ack ? "yay" : "nay") << " " << async_md.time_spec.to_ticks(rxticks) << std::endl;
-#endif
+	}
+
+	void set_name_aff_sched(const char *name, int cpunum, int schedtype, int prio)
+	{
+		pthread_setname_np(pthread_self(), name);
+
+		cpu_set_t cpuset;
+
+		CPU_ZERO(&cpuset);
+		CPU_SET(cpunum, &cpuset);
+
+		auto rv = pthread_setaffinity_np(pthread_self(), sizeof(cpuset), &cpuset);
+		if (rv < 0) {
+			std::cerr << name << " affinity: errreur! " << std::strerror(errno);
+			return exit(0);
+		}
+
+		sched_param sch_params;
+		sch_params.sched_priority = prio;
+		rv = pthread_setschedparam(pthread_self(), schedtype, &sch_params);
+		if (rv < 0) {
+			std::cerr << name << " sched: errreur! " << std::strerror(errno);
+			return exit(0);
+		}
 	}
 };

Transceiver52M/osmo-trx.cpp

@@ -77,24 +77,6 @@ static struct ctrl_handle *g_ctrlh;
 static RadioDevice *usrp;
 static RadioInterface *radio;
 
-/* adjusts read timestamp offset to make the viterbi equalizer happy by including the start tail bits */
-template <typename B>
-class rif_va_wrapper : public B {
-	bool use_va;
-
-    public:
-	template <typename... Args>
-	rif_va_wrapper(bool use_va, Args &&...args) : B(std::forward<Args>(args)...), use_va(use_va)
-	{
-	}
-	bool start() override
-	{
-		auto rv = B::start();
-		B::readTimestamp -= use_va ? 20 : 0;
-		return rv;
-	};
-};
-
 /* Create radio interface
  *     The interface consists of sample rate changes, frequency shifts,
  *     channel multiplexing, and other conversions. The transceiver core
@@ -109,17 +91,17 @@ RadioInterface *makeRadioInterface(struct trx_ctx *trx,
 
 	switch (type) {
 	case RadioDevice::NORMAL:
-		radio = new rif_va_wrapper<RadioInterface>(trx->cfg.use_va, usrp, trx->cfg.tx_sps, trx->cfg.rx_sps,
+		radio = new RadioInterface(usrp, trx->cfg.tx_sps,
-							   trx->cfg.num_chans);
+					   trx->cfg.rx_sps, trx->cfg.num_chans);
 		break;
 	case RadioDevice::RESAMP_64M:
 	case RadioDevice::RESAMP_100M:
-		radio = new rif_va_wrapper<RadioInterfaceResamp>(trx->cfg.use_va, usrp, trx->cfg.tx_sps,
+		radio = new RadioInterfaceResamp(usrp, trx->cfg.tx_sps,
-								 trx->cfg.rx_sps);
+						 trx->cfg.rx_sps);
 		break;
 	case RadioDevice::MULTI_ARFCN:
-		radio = new rif_va_wrapper<RadioInterfaceMulti>(trx->cfg.use_va, usrp, trx->cfg.tx_sps, trx->cfg.rx_sps,
+		radio = new RadioInterfaceMulti(usrp, trx->cfg.tx_sps,
-								trx->cfg.num_chans);
+						trx->cfg.rx_sps, trx->cfg.num_chans);
 		break;
 	default:
 		LOG(ALERT) << "Unsupported radio interface configuration";
@@ -483,12 +465,6 @@ int trx_validate_config(struct trx_ctx *trx)
 		return -1;
 	}
 
-	if (trx->cfg.use_va &&
-	    (trx->cfg.egprs || trx->cfg.multi_arfcn || trx->cfg.tx_sps != 4 || trx->cfg.rx_sps != 4)) {
-		LOG(ERROR) << "Viterbi equalizer only works for gmsk with 4 tx/rx samples per symbol!";
-		return -1;
-	}
-
 	return 0;
 }
 
@@ -595,14 +571,24 @@ static void trx_stop()
 static int trx_start(struct trx_ctx *trx)
 {
 	int type, chans;
+	unsigned int i;
+	std::vector<std::string> rx_paths, tx_paths;
 	RadioDevice::InterfaceType iface = RadioDevice::NORMAL;
 
 	/* Create the low level device object */
 	if (trx->cfg.multi_arfcn)
 		iface = RadioDevice::MULTI_ARFCN;
 
-	usrp = RadioDevice::make(iface, &trx->cfg);
+	/* Generate vector of rx/tx_path: */
-	type = usrp->open();
+	for (i = 0; i < trx->cfg.num_chans; i++) {
+		rx_paths.push_back(charp2str(trx->cfg.chans[i].rx_path));
+		tx_paths.push_back(charp2str(trx->cfg.chans[i].tx_path));
+	}
+
+	usrp = RadioDevice::make(trx->cfg.tx_sps, trx->cfg.rx_sps, iface,
+				 trx->cfg.num_chans, trx->cfg.offset,
+				 tx_paths, rx_paths);
+	type = usrp->open(charp2str(trx->cfg.dev_args), trx->cfg.clock_ref, trx->cfg.swap_channels);
 	if (type < 0) {
 		LOG(ALERT) << "Failed to create radio device" << std::endl;
 		goto shutdown;
@@ -645,7 +631,6 @@ int main(int argc, char *argv[])
 
 	osmo_init_logging2(tall_trx_ctx, &log_info);
 	log_enable_multithread();
-	log_cache_enable();
 	osmo_stats_init(tall_trx_ctx);
 	vty_init(&g_vty_info);
 	logging_vty_add_cmds();
@@ -666,11 +651,11 @@ int main(int argc, char *argv[])
 		exit(2);
 	}
 
-	rc = telnet_init_default(tall_trx_ctx, NULL, OSMO_VTY_PORT_TRX);
+	rc = telnet_init_dynif(tall_trx_ctx, NULL, vty_get_bind_addr(), OSMO_VTY_PORT_TRX);
 	if (rc < 0)
 		exit(1);
 
-	g_ctrlh = ctrl_interface_setup(NULL, OSMO_CTRL_PORT_TRX, NULL);
+	g_ctrlh = ctrl_interface_setup_dynip(NULL, ctrl_vty_get_bind_addr(), OSMO_CTRL_PORT_TRX, NULL);
 	if (!g_ctrlh) {
 		LOG(ERROR) << "Failed to create CTRL interface.\n";
 		exit(1);

Transceiver52M/proto_trxd.h

@@ -48,8 +48,9 @@ struct trxd_hdr_common {
 		reserved:1,
 		version:4;
 #elif OSMO_IS_BIG_ENDIAN
-/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */
+	uint8_t version:4,
-	uint8_t version:4, reserved:1, tn:3;
+		reserved:1,
+		tn:3;
 #endif
 	uint32_t fn; /* big endian */
 } __attribute__ ((packed));
@@ -85,8 +86,9 @@ struct trxd_hdr_v1_specific {
 		modulation:4,
 		idle:1;
 #elif OSMO_IS_BIG_ENDIAN
-/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */
+	uint8_t idle:1,
-	uint8_t idle:1, modulation:4, tsc:3;
+		modulation:4,
+		tsc:3;
 #endif
 	int16_t ci;  /* big endian, in centiBels */
 } __attribute__ ((packed));

Transceiver52M/radioInterface.h

@@ -75,7 +75,7 @@ private:
 public:
 
   /** start the interface */
-  virtual bool start();
+  bool start();
   bool stop();
 
   /** initialization */
@@ -151,7 +151,7 @@ private:
 
 public:
   RadioInterfaceResamp(RadioDevice* wDevice, size_t tx_sps, size_t rx_sps);
-  virtual ~RadioInterfaceResamp();
+  ~RadioInterfaceResamp();
 
   bool init(int type);
   void close();
@@ -184,7 +184,7 @@ private:
 public:
   RadioInterfaceMulti(RadioDevice* radio, size_t tx_sps,
                       size_t rx_sps, size_t chans = 1);
-  virtual ~RadioInterfaceMulti();
+  ~RadioInterfaceMulti();
 
   bool init(int type);
   void close();

Transceiver52M/radioInterfaceMulti.cpp

@@ -153,6 +153,8 @@ bool RadioInterfaceMulti::init(int type)
 		return false;
 	}
 
+	close();
+
 	convertSendBuffer.resize(1);
 	convertRecvBuffer.resize(1);
 

Transceiver52M/radioInterfaceResamp.cpp

@@ -98,6 +98,8 @@ bool RadioInterfaceResamp::init(int type)
 {
 	float cutoff = 1.0f;
 
+	close();
+
 	switch (type) {
 	case RadioDevice::RESAMP_64M:
 		resamp_inrate = RESAMP_64M_INRATE;

Transceiver52M/sch.c

@@ -1,25 +1,3 @@
-/*
- * (C) 2013 by Andreas Eversberg <jolly@eversberg.eu>
- * (C) 2015 by Alexander Chemeris <Alexander.Chemeris@fairwaves.co>
- * (C) 2016 by Tom Tsou <tom.tsou@ettus.com>
- * (C) 2017 by Harald Welte <laforge@gnumonks.org>
- * (C) 2022 by 2022 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> / Eric Wild <ewild@sysmocom.de>
- *
- * All Rights Reserved
- *
- * SPDX-License-Identifier: GPL-2.0+
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
 #include <complex.h>
 #include <stdio.h>
 #include <math.h>
@@ -34,9 +12,6 @@
 
 #include "sch.h"
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wunused-variable"
-
 /* GSM 04.08, 9.1.30 Synchronization channel information */
 struct sch_packed_info {
 	ubit_t t1_hi[2];
@@ -130,14 +105,6 @@ int gsm_sch_check_fn(int fn)
 	return 0;
 }
 
-int gsm_fcch_check_ts(int ts, int fn) {
-	return ts == 0 && gsm_fcch_check_fn(fn);
-}
-
-int gsm_sch_check_ts(int ts, int fn) {
-	return ts == 0 && gsm_sch_check_fn(fn);
-}
-
 /* SCH (T1, T2, T3p) to full FN value */
 int gsm_sch_to_fn(struct sch_info *sch)
 {
@@ -185,7 +152,7 @@ int gsm_sch_parse(const uint8_t *info, struct sch_info *desc)
 }
 
 /* From osmo-bts */
-int gsm_sch_decode(uint8_t *info, sbit_t *data)
+__attribute__((xray_always_instrument)) __attribute__((noinline)) int gsm_sch_decode(uint8_t *info, sbit_t *data)
 {
 	int rc;
 	ubit_t uncoded[GSM_SCH_UNCODED_LEN];
@@ -325,5 +292,3 @@ static __attribute__((constructor)) void init()
 	}
 
 }
-
-#pragma GCC diagnostic pop

Transceiver52M/sch.h

@@ -0,0 +1,27 @@
+#ifndef _SCH_H_
+#define _SCH_H_
+
+#include <osmocom/core/bits.h>
+
+struct sch_info  {
+	int bsic;
+	int t1;
+	int t2;
+	int t3p;
+};
+
+#define GSM_SCH_INFO_LEN		25
+#define GSM_SCH_UNCODED_LEN		35
+#define GSM_SCH_CODED_LEN		78
+
+int gsm_sch_decode(uint8_t *sb_info, sbit_t *burst);
+int gsm_sch_parse(const uint8_t *sb_info, struct sch_info *desc);
+int gsm_sch_to_fn(struct sch_info *sch);
+int gsm_sch_check_fn(int fn);
+int gsm_fcch_check_fn(int fn);
+
+double gsm_fcch_offset(float *burst, int len);
+
+int float_to_sbit(const float *in, sbit_t *out, float scale, int len);
+
+#endif /* _SCH_H_ */

Transceiver52M/sigProcLib.cpp

@@ -87,17 +87,19 @@ static Resampler *dnsampler = NULL;
  * perform 16-byte memory alignment required by many SSE instructions.
  */
 struct CorrelationSequence {
-  CorrelationSequence() : sequence(NULL), buffer(NULL), toa(0.0)
+  CorrelationSequence() : sequence(NULL), buffer(NULL), toa(0.0), history(nullptr)
   {
   }
 
   ~CorrelationSequence()
   {
     delete sequence;
+    delete[] history;
   }
 
   signalVector *sequence;
   void         *buffer;
+  complex      *history;
   float        toa;
   complex      gain;
 };
@@ -323,6 +325,7 @@ static signalVector *convolve(const signalVector *x, const signalVector *h,
     append = true;
     break;
   case CUSTOM:
+
   // FIXME: x->getstart?
     if (start < h->size() - 1) {
       head = h->size() - start;
@@ -1097,6 +1100,7 @@ signalVector *delayVector(const signalVector *in, signalVector *out, float delay
   return out;
 }
 
+__attribute__((xray_never_instrument))
 static complex interpolatePoint(const signalVector &inSig, float ix)
 {
   int start = (int) (floor(ix) - 10);
@@ -1490,7 +1494,7 @@ bool generateSCHSequence(int sps)
   data = (complex *) convolve_h_alloc(seq1->size());
   _seq1 = new signalVector(data, 0, seq1->size(), convolve_h_alloc, free);
   _seq1->setAligned(true);
-  seq1->copyTo(*_seq1);
+  memcpy(_seq1->begin(), seq1->begin(), seq1->size() * sizeof(complex));
 
   autocorr = convolve(seq0, _seq1, autocorr, NO_DELAY);
   if (!autocorr) {
@@ -1502,6 +1506,7 @@ bool generateSCHSequence(int sps)
   gSCHSequence->sequence = _seq1;
   gSCHSequence->buffer = data;
   gSCHSequence->gain = peakDetect(*autocorr, &toa, NULL);
+  gSCHSequence->history = new complex[_seq1->size()];
 
   /* For 1 sps only
    *     (Half of correlation length - 1) + midpoint of pulse shaping filer
@@ -1587,15 +1592,15 @@ float energyDetect(const signalVector &rxBurst, unsigned windowLength)
 static signalVector *downsampleBurst(const signalVector &burst, int in_len = DOWNSAMPLE_IN_LEN,
 				     int out_len = DOWNSAMPLE_OUT_LEN)
 {
-  signalVector in(in_len, dnsampler->len());
+	signalVector in(in_len, dnsampler->len());
-  // gSCHSequence->sequence->size(), ensure next conv has no realloc
+	// gSCHSequence->sequence->size(), ensure next conv has no realloc
-  signalVector *out = new signalVector(out_len, 64);
+	signalVector *out = new signalVector(out_len, 64);
-  burst.copyToSegment(in, 0, in_len);
+	burst.copyToSegment(in, 0, in_len);
 
-  if (dnsampler->rotate((float *)in.begin(), in_len, (float *)out->begin(), out_len) < 0) {
+	if (dnsampler->rotate((float *)in.begin(), in_len, (float *)out->begin(), out_len) < 0) {
-    delete out;
+		delete out;
-    out = NULL;
+		out = NULL;
-  }
+	}
 
   return out;
 };
@@ -1616,7 +1621,7 @@ static float computeCI(const signalVector *burst, const CorrelationSequence *syn
   if(ps < 0) // might be -22 for toa 40 with N=64, if off by a lot during sch ms sync
     return 0;
 
-  if (ps + N > (int)burst->size())
+  if (ps + N > burst->size())
 	  return 0;
 
   /* Estimate Signal power */
@@ -1661,11 +1666,11 @@ static int detectBurst(const signalVector &burst,
     corr_in = &burst;
     break;
   case 4:
-    dec = downsampleBurst(burst);
+	  dec = downsampleBurst(burst, len * 4, len);
-     /* Running at the downsampled rate at this point: */
+	  /* Running at the downsampled rate at this point: */
-     corr_in = dec;
+	  corr_in = dec;
-     sps = 1;
+	  sps = 1;
-     break;
+	  break;
   default:
      osmo_panic("%s:%d SPS %d not supported! Only 1 or 4 supported", __FILE__, __LINE__, sps);
   }
@@ -1743,11 +1748,11 @@ static int detectGeneralBurst(const signalVector &rxBurst, float thresh, int sps
   // Detect potential clipping
   // We still may be able to demod the burst, so we'll give it a try
   // and only report clipping if we can't demod.
-  float maxAmpl = maxAmplitude(rxBurst);
+  // float maxAmpl = maxAmplitude(rxBurst);
-  if (maxAmpl > CLIP_THRESH) {
+  // if (maxAmpl > CLIP_THRESH) {
-    LOG(INFO) << "max burst amplitude: " << maxAmpl << " is above the clipping threshold: " << CLIP_THRESH << std::endl;
+  //   LOG(INFO) << "max burst amplitude: " << maxAmpl << " is above the clipping threshold: " << CLIP_THRESH << std::endl;
-    clipping = true;
+  //   clipping = true;
-  }
+  // }
 
   start = target - head - 1;
   len = head + tail;
@@ -1808,6 +1813,7 @@ int detectSCHBurst(signalVector &burst,
         sch_detect_type state, struct estim_burst_params *ebp)
 {
   int rc, start, target, head, tail, len;
+  float _toa;
   complex _amp;
   CorrelationSequence *sync;
 
@@ -1838,9 +1844,14 @@ int detectSCHBurst(signalVector &burst,
   sync = gSCHSequence;
   signalVector corr(len);
 
-  signalVector *dec = downsampleBurst(burst, len * 4, len);
+  signalVector _burst(burst, sync->sequence->size(), 5);
-  rc = detectBurst(*dec, corr, sync, thresh, 1, start, len, ebp);
+
-  delete dec;
+  memcpy(_burst.begin() - sync->sequence->size(), sync->history, sync->sequence->size() * sizeof(complex));
+
+  memcpy(sync->history, &burst.begin()[burst.size() - sync->sequence->size()],
+         sync->sequence->size() * sizeof(complex));
+
+  rc = detectBurst(_burst, corr, sync, thresh, sps, start, len, ebp);
 
   if (rc < 0) {
     return -1;

configure.ac

@@ -82,10 +82,10 @@ AC_TYPE_SIZE_T
 AC_HEADER_TIME
 AC_C_BIGENDIAN
 
-PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.10.0)
+PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.6.0)
-PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 1.10.0)
+PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 1.6.0)
-PKG_CHECK_MODULES(LIBOSMOCTRL, libosmoctrl >= 1.10.0)
+PKG_CHECK_MODULES(LIBOSMOCTRL, libosmoctrl >= 1.6.0)
-PKG_CHECK_MODULES(LIBOSMOCODING, libosmocoding >= 1.10.0)
+PKG_CHECK_MODULES(LIBOSMOCODING, libosmocoding >= 1.6.0)
 
 AC_ARG_ENABLE(sanitize,
 	[AS_HELP_STRING(
@@ -143,11 +143,6 @@ AC_ARG_WITH(bladerf, [
         [enable bladeRF])
 ])
 
-AC_ARG_WITH(mstrx, [
-    AS_HELP_STRING([--with-mstrx],
-        [enable MS TRX])
-])
-
 AC_ARG_WITH(singledb, [
     AS_HELP_STRING([--with-singledb],
         [enable single daughterboard use on USRP1])
@@ -195,39 +190,12 @@ AS_IF([test "x$with_uhd" = "xyes"],[
             [PKG_CHECK_MODULES(UHD, uhd >= 003.005)]
         )]
     )
-    # OS#5608: libuhd < 4.2.0 includes boost/thread/thread.hpp in its logging
-    # code and therefore requires linking against boost_thread. It's missing in
-    # uhd.pc, so work around it here.
-    # https://github.com/EttusResearch/uhd/commit/04a83b6e76beef970854da69ba882d717669b49c
-    PKG_CHECK_MODULES(UHD, uhd < 004.002,
-        [LIBS="$LIBS -lboost_thread"],
-        []
-    )
 ])
 
 AS_IF([test "x$with_bladerf" = "xyes"], [
     PKG_CHECK_MODULES(BLADE, libbladeRF >= 2.0)
 ])
 
-AC_MSG_CHECKING([whether to enable building MS TRX])
-AS_IF([test "x$with_mstrx" = "xyes"], [
-    AC_CONFIG_SUBDIRS([osmocom-bb/src/host/trxcon])
-    LIBTRXCON_DIR="osmocom-bb/src/host/trxcon"
-    if ! test -d "$srcdir/$LIBTRXCON_DIR"; then
-        AC_MSG_RESULT([no])
-        AC_MSG_ERROR([$LIBTRXCON_DIR does not exist])
-    fi
-    AC_SUBST(LIBTRXCON_DIR)
-    AC_MSG_RESULT([yes])
-], [
-    # Despite LIBTRXCON_DIR is added to SUBDIRS conditionally,
-    # autoconf/automake still requires the directory to be present
-    # and thus the submodule to be fetched (even if MS TRX is not needed).
-    # Work this around by pointing it to an empty dir.
-    AC_SUBST(LIBTRXCON_DIR, "osmocom-bb")
-    AC_MSG_RESULT([no])
-])
-
 AS_IF([test "x$with_singledb" = "xyes"], [
     AC_DEFINE(SINGLEDB, 1, Define to 1 for single daughterboard)
 ])
@@ -240,6 +208,7 @@ AS_IF([test "x$with_sse" != "xno"], [
     AM_CONDITIONAL(HAVE_SSE4_1, false)
 ])
 
+dnl Check if the compiler supports specified GCC's built-in function
 AC_DEFUN([CHECK_BUILTIN_SUPPORT], [
   AC_CACHE_CHECK(
     [whether ${CC} has $1 built-in],
@@ -283,7 +252,6 @@ AM_CONDITIONAL(DEVICE_IPC, [test "x$with_ipc" = "xyes"])
 AM_CONDITIONAL(DEVICE_BLADE, [test "x$with_bladerf" = "xyes"])
 AM_CONDITIONAL(ARCH_ARM, [test "x$with_neon" = "xyes" || test "x$with_neon_vfpv4" = "xyes"])
 AM_CONDITIONAL(ARCH_ARM_A15, [test "x$with_neon_vfpv4" = "xyes"])
-AM_CONDITIONAL(ENABLE_MS_TRX, [test "x$with_mstrx" = "xyes"])
 
 PKG_CHECK_MODULES(LIBUSB, libusb-1.0)
 PKG_CHECK_MODULES(FFTWF, fftw3f)
@@ -351,10 +319,10 @@ AC_MSG_RESULT([CFLAGS="$CFLAGS"])
 AC_MSG_RESULT([CXXFLAGS="$CXXFLAGS"])
 AC_MSG_RESULT([LDFLAGS="$LDFLAGS"])
 
-
 dnl Output files
 AC_CONFIG_FILES([\
     Makefile \
+    trxcon/Makefile \
     CommonLibs/Makefile \
     GSM/Makefile \
     Transceiver52M/Makefile \
@@ -368,16 +336,18 @@ AC_CONFIG_FILES([\
     Transceiver52M/device/usrp1/Makefile \
     Transceiver52M/device/lms/Makefile \
     Transceiver52M/device/ipc/Makefile \
+    Transceiver52M/device/ipc2/Makefile \
     Transceiver52M/device/bladerf/Makefile \
     tests/Makefile \
     tests/CommonLibs/Makefile \
     tests/Transceiver52M/Makefile \
     utils/Makefile \
-    utils/va-test/Makefile \
     doc/Makefile \
     doc/examples/Makefile \
     contrib/Makefile \
     contrib/systemd/Makefile \
-    doc/manuals/Makefile \
 ])
-AC_OUTPUT
+
+AC_OUTPUT(
+	doc/manuals/Makefile
+	contrib/osmo-trx.spec)

contrib/jenkins.sh

@@ -85,17 +85,7 @@ export PKG_CONFIG_PATH="$inst/lib/pkgconfig:$PKG_CONFIG_PATH"
 export LD_LIBRARY_PATH="$inst/lib"
 export PATH="$inst/bin:$PATH"
 
-CONFIG="
+CONFIG="--enable-sanitize --enable-werror --with-uhd --with-usrp1 --with-lms --with-ipc $INSTR"
-	--enable-sanitize
-	--enable-werror
-	--with-bladerf
-	--with-ipc
-	--with-lms
-	--with-mstrx
-	--with-uhd
-	--with-usrp1
-	$INSTR
-"
 
 # Additional configure options and depends
 if [ "$WITH_MANUALS" = "1" ]; then
@@ -111,17 +101,13 @@ echo
 set -x
 
 cd "$base"
-git submodule status
 autoreconf --install --force
 ./configure $CONFIG
 $MAKE $PARALLEL_MAKE
 $MAKE check \
   || cat-testlogs.sh
-
+DISTCHECK_CONFIGURE_FLAGS="$CONFIG" $MAKE $PARALLEL_MAKE distcheck \
-if arch | grep -v -q arm; then
+  || cat-testlogs.sh
-	DISTCHECK_CONFIGURE_FLAGS="$(echo $CONFIG | tr -d '\n')" $MAKE $PARALLEL_MAKE distcheck \
-	  || cat-testlogs.sh
-fi
 
 if [ "$WITH_MANUALS" = "1" ] && [ "$PUBLISH" = "1" ]; then
 	make -C "$base/doc/manuals" publish

contrib/osmo-trx.spec.in

@@ -0,0 +1,254 @@
+#
+# spec file for package osmo-trx
+#
+# Copyright (c) 2017, Martin Hauke <mardnh@gmx.de>
+#
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
+Name:           osmo-trx
+Version:        @VERSION@
+Release:        0
+Summary:        SDR transceiver that implements Layer 1 of a GSM BTS
+License:        AGPL-3.0-or-later
+Group:          Productivity/Telephony/Servers
+URL:            https://osmocom.org/projects/osmotrx
+Source:         %{name}-%{version}.tar.xz
+BuildRequires:  autoconf
+BuildRequires:  automake
+BuildRequires:  fdupes
+BuildRequires:  gcc-c++
+BuildRequires:  libtool
+BuildRequires:  pkgconfig >= 0.20
+%if 0%{?suse_version}
+BuildRequires:  systemd-rpm-macros
+%endif
+%if ! 0%{?centos_ver}
+BuildRequires:  pkgconfig(LimeSuite)
+BuildRequires:  pkgconfig(usrp) >= 3.3
+%endif
+BuildRequires:  pkgconfig(fftw3f)
+BuildRequires:  pkgconfig(libosmocoding) >= 1.6.0
+BuildRequires:  pkgconfig(libosmocore) >= 1.6.0
+BuildRequires:  pkgconfig(libosmoctrl) >= 1.6.0
+BuildRequires:  pkgconfig(libosmovty) >= 1.6.0
+BuildRequires:  pkgconfig(libusb-1.0)
+BuildRequires:  pkgconfig(uhd)
+%{?systemd_requires}
+%if 0%{?suse_version} > 1325
+BuildRequires:  libboost_program_options-devel
+BuildRequires:  libboost_system-devel
+BuildRequires:  libboost_test-devel
+BuildRequires:  libboost_thread-devel
+%else
+BuildRequires:  boost-devel
+%endif
+
+%description
+OsmoTRX is a software-defined radio transceiver that implements the Layer 1
+physical layer of a BTS comprising the following 3GPP specifications:
+
+TS 05.01 "Physical layer on the radio path"
+TS 05.02 "Multiplexing and Multiple Access on the Radio Path"
+TS 05.04 "Modulation"
+TS 05.10 "Radio subsystem synchronization"
+
+In this context, BTS is "Base transceiver station". It's the stations that
+connect mobile phones to the mobile network.
+
+3GPP is the "3rd Generation Partnership Project" which is the collaboration
+between different telecommunication associations for developing new
+generations of mobile phone networks. (post-2G/GSM)
+
+%package uhd
+Summary:        SDR transceiver that implements Layer 1 of a GSM BTS (UHD)
+Group:          Productivity/Telephony/Servers
+Requires:       uhd-firmware
+
+%description uhd
+OsmoTRX is a software-defined radio transceiver that implements the Layer 1
+physical layer of a BTS comprising the following 3GPP specifications:
+
+TS 05.01 "Physical layer on the radio path"
+TS 05.02 "Multiplexing and Multiple Access on the Radio Path"
+TS 05.04 "Modulation"
+TS 05.10 "Radio subsystem synchronization"
+
+In this context, BTS is "Base transceiver station". It's the stations that
+connect mobile phones to the mobile network.
+
+3GPP is the "3rd Generation Partnership Project" which is the collaboration
+between different telecommunication associations for developing new
+generations of mobile phone networks. (post-2G/GSM)
+
+%if ! 0%{?centos_ver}
+%package usrp1
+Summary:        SDR transceiver that implements Layer 1 of a GSM BTS (USRP1)
+Group:          Productivity/Telephony/Servers
+
+%description usrp1
+OsmoTRX is a software-defined radio transceiver that implements the Layer 1
+physical layer of a BTS comprising the following 3GPP specifications:
+
+TS 05.01 "Physical layer on the radio path"
+TS 05.02 "Multiplexing and Multiple Access on the Radio Path"
+TS 05.04 "Modulation"
+TS 05.10 "Radio subsystem synchronization"
+
+In this context, BTS is "Base transceiver station". It's the stations that
+connect mobile phones to the mobile network.
+
+3GPP is the "3rd Generation Partnership Project" which is the collaboration
+between different telecommunication associations for developing new
+generations of mobile phone networks. (post-2G/GSM)
+
+%package lms
+Summary:        SDR transceiver that implements Layer 1 of a GSM BTS (LimeSuite)
+Group:          Productivity/Telephony/Servers
+
+%description lms
+OsmoTRX is a software-defined radio transceiver that implements the Layer 1
+physical layer of a BTS comprising the following 3GPP specifications:
+
+TS 05.01 "Physical layer on the radio path"
+TS 05.02 "Multiplexing and Multiple Access on the Radio Path"
+TS 05.04 "Modulation"
+TS 05.10 "Radio subsystem synchronization"
+
+In this context, BTS is "Base transceiver station". It's the stations that
+connect mobile phones to the mobile network.
+
+3GPP is the "3rd Generation Partnership Project" which is the collaboration
+between different telecommunication associations for developing new
+generations of mobile phone networks. (post-2G/GSM)
+%endif
+
+%package ipc
+Summary:        SDR transceiver that implements Layer 1 of a GSM BTS (IPC)
+Group:          Productivity/Telephony/Servers
+
+%description ipc
+OsmoTRX is a software-defined radio transceiver that implements the Layer 1
+physical layer of a BTS comprising the following 3GPP specifications:
+
+TS 05.01 "Physical layer on the radio path"
+TS 05.02 "Multiplexing and Multiple Access on the Radio Path"
+TS 05.04 "Modulation"
+TS 05.10 "Radio subsystem synchronization"
+
+In this context, BTS is "Base transceiver station". It's the stations that
+connect mobile phones to the mobile network.
+
+3GPP is the "3rd Generation Partnership Project" which is the collaboration
+between different telecommunication associations for developing new
+generations of mobile phone networks. (post-2G/GSM)
+
+%package ipc-test
+Summary:        SDR transceiver that implements Layer 1 of a GSM BTS (IPC) driver test utility
+Group:          Productivity/Telephony/Servers
+
+%description ipc-test
+OsmoTRX is a software-defined radio transceiver that implements the Layer 1
+physical layer of a BTS comprising the following 3GPP specifications:
+
+This package include the test tools for osmo-trx-ipc
+
+%prep
+%setup -q
+
+%build
+echo "%{version}" >.tarball-version
+autoreconf -fi
+
+%if 0%{?centos_ver}
+%configure \
+  --docdir=%{_docdir}/%{name} \
+  --with-systemdsystemunitdir=%{_unitdir} \
+  --without-lms \
+  --with-uhd \
+  --without-usrp1 \
+  --with-ipc
+%else
+%configure \
+  --docdir=%{_docdir}/%{name} \
+  --with-systemdsystemunitdir=%{_unitdir} \
+  --with-lms \
+  --with-uhd \
+  --with-usrp1 \
+  --with-ipc
+%endif
+
+make %{?_smp_mflags} V=1
+
+%check
+make %{?_smp_mflags} check || (find . -name testsuite.log -exec cat {} +)
+
+%install
+%make_install
+%fdupes -s %{buildroot}/%{_datadir}
+
+%if 0%{?suse_version}
+%pre    lms %service_add_pre    osmo-trx-lms.service
+%post   lms %service_add_post   osmo-trx-lms.service
+%preun  lms %service_del_preun  osmo-trx-lms.service
+%postun lms %service_del_postun osmo-trx-lms.service
+%pre    uhd %service_add_pre    osmo-trx-uhd.service
+%post   uhd %service_add_post   osmo-trx-uhd.service
+%preun  uhd %service_del_preun  osmo-trx-uhd.service
+%postun uhd %service_del_postun osmo-trx-uhd.service
+%pre    usrp1 %service_add_pre    osmo-trx-usrp1.service
+%post   usrp1 %service_add_post   osmo-trx-usrp1.service
+%preun  usrp1 %service_del_preun  osmo-trx-usrp1.service
+%postun usrp1 %service_del_postun osmo-trx-usrp1.service
+%pre    ipc %service_add_pre    osmo-trx-ipc.service
+%post   ipc %service_add_post   osmo-trx-ipc.service
+%preun  ipc %service_del_preun  osmo-trx-ipc.service
+%postun ipc %service_del_postun osmo-trx-ipc.service
+%endif
+
+%files
+%license COPYING
+%doc README.md
+%doc %{_docdir}/%{name}/examples
+
+%if ! 0%{?centos_ver}
+%files lms
+%{_bindir}/osmo-trx-lms
+%dir %{_sysconfdir}/osmocom
+%config(noreplace) %{_sysconfdir}/osmocom/osmo-trx-lms.cfg
+%{_unitdir}/osmo-trx-lms.service
+%endif
+
+%files uhd
+%{_bindir}/osmo-trx-uhd
+%dir %{_sysconfdir}/osmocom
+%config(noreplace) %{_sysconfdir}/osmocom/osmo-trx-uhd.cfg
+%{_unitdir}/osmo-trx-uhd.service
+
+%if ! 0%{?centos_ver}
+%files usrp1
+%{_bindir}/osmo-trx-usrp1
+%dir %{_datadir}/usrp
+%dir %{_datadir}/usrp/rev2
+%dir %{_datadir}/usrp/rev4
+%{_datadir}/usrp/rev2/std_inband.rbf
+%{_datadir}/usrp/rev4/std_inband.rbf
+%{_unitdir}/osmo-trx-usrp1.service
+%endif
+
+%files ipc
+%{_bindir}/osmo-trx-ipc
+%dir %{_sysconfdir}/osmocom
+%config(noreplace) %{_sysconfdir}/osmocom/osmo-trx-ipc.cfg
+%{_unitdir}/osmo-trx-ipc.service
+
+%files ipc-test
+%{_bindir}/ipc-driver-test
+
+%changelog

contrib/systemd/osmo-trx-ipc.service

@@ -1,23 +1,11 @@
 [Unit]
 Description=Osmocom SDR BTS L1 Transceiver (IPC Backend)
-After=network-online.target
-Wants=network-online.target
 
 [Service]
 Type=simple
 Restart=always
-StateDirectory=osmocom
-WorkingDirectory=%S/osmocom
-User=osmocom
-Group=osmocom
 ExecStart=/usr/bin/osmo-trx-ipc -C /etc/osmocom/osmo-trx-ipc.cfg
 RestartSec=2
-AmbientCapabilities=CAP_SYS_NICE
-# CPU scheduling policy:
-CPUSchedulingPolicy=rr
-# For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):
-CPUSchedulingPriority=21
-# See sched(7) for further details on real-time policies and priorities
 
 [Install]
 WantedBy=multi-user.target

contrib/systemd/osmo-trx-lms.service

@@ -1,23 +1,11 @@
 [Unit]
 Description=Osmocom SDR BTS L1 Transceiver (LimeSuite backend)
-After=network-online.target
-Wants=network-online.target
 
 [Service]
 Type=simple
 Restart=always
-StateDirectory=osmocom
-WorkingDirectory=%S/osmocom
-User=osmocom
-Group=osmocom
 ExecStart=/usr/bin/osmo-trx-lms -C /etc/osmocom/osmo-trx-lms.cfg
 RestartSec=2
-AmbientCapabilities=CAP_SYS_NICE
-# CPU scheduling policy:
-CPUSchedulingPolicy=rr
-# For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):
-CPUSchedulingPriority=21
-# See sched(7) for further details on real-time policies and priorities
 
 [Install]
 WantedBy=multi-user.target

contrib/systemd/osmo-trx-uhd.service

@@ -1,24 +1,11 @@
 [Unit]
 Description=Osmocom SDR BTS L1 Transceiver (UHD Backend)
-After=network-online.target
-Wants=network-online.target
 
 [Service]
 Type=simple
 Restart=always
-StateDirectory=osmocom
-WorkingDirectory=%S/osmocom
-Environment=HOME=%S/osmocom
-User=osmocom
-Group=osmocom
 ExecStart=/usr/bin/osmo-trx-uhd -C /etc/osmocom/osmo-trx-uhd.cfg
 RestartSec=2
-AmbientCapabilities=CAP_SYS_NICE
-# CPU scheduling policy:
-CPUSchedulingPolicy=rr
-# For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):
-CPUSchedulingPriority=21
-# See sched(7) for further details on real-time policies and priorities
 
 [Install]
 WantedBy=multi-user.target

contrib/systemd/osmo-trx-usrp1.service

@@ -1,23 +1,11 @@
 [Unit]
 Description=Osmocom SDR BTS L1 Transceiver (libusrp backend)
-After=network-online.target
-Wants=network-online.target
 
 [Service]
 Type=simple
 Restart=always
-StateDirectory=osmocom
-WorkingDirectory=%S/osmocom
-User=osmocom
-Group=osmocom
 ExecStart=/usr/bin/osmo-trx-usrp1 -C /etc/osmocom/osmo-trx-usrp1.cfg
 RestartSec=2
-AmbientCapabilities=CAP_SYS_NICE
-# CPU scheduling policy:
-CPUSchedulingPolicy=rr
-# For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):
-CPUSchedulingPriority=21
-# See sched(7) for further details on real-time policies and priorities
 
 [Install]
 WantedBy=multi-user.target

debian/changelog

@@ -1,177 +1,3 @@
-osmo-trx (1.7.0) unstable; urgency=medium
-
-  [ Eric ]
-  * ms: adjust ts advance
-  * ms: reduce rx burst queue size
-  * ms: init blade with fpga control
-  * devices: fix wrong gain to power mapping
-  * ms: get rid of std::thread
-  * ms: add demod test tool and data
-
-  [ Vadim Yanitskiy ]
-  * osmo-trx-ms: bump osmocom-bb submodule commit
-  * Transceiver::ctrl_sock_handle_rx(): fix copy-pasted comments
-  * build: include version files into the release tarball
-  * doc/examples: fix missing config files in release tarballs
-  * README.md: cosmetic: fix a typo
-
-  [ Harald Welte ]
-  * osmo-trx-uhd: Make sure HOME environment variable is set
-  * README.md: Improve markdown formatting
-  * README.md: Add Forum and Issue Tracker links
-  * Add funding link to github mirror
-  * README.md: Remove stray apostrophe
-
-  [ Andreas Eversberg ]
-  * Use uniform log format for default config files
-
-  [ Eric Wild ]
-  * ms: do not set the blade tuning mode
-  * ms: hard preswapped VA gsm bits
-  * ms: add sigproclib demod
-  * ms: fix up template deduction failure
-  * ms: update osmocom-bb submodule
-  * ms: disabe uhd ms build
-  * transceiver: use log level cache
-
-  [ Oliver Smith ]
-  * gitignore: add .version
-  * debian/rules: make configure args diff friendly
-  * debian: add osmo-trx-ms-blade
-  * contrib/jenkins: make configure args diff friendly
-  * contrib/jenkins: add --with-bladerf
-  * contrib: remove rpm spec file
-  * contrib/systemd: run as osmocom user
-  * contrib/systemd/osmo-trx-uhd: fix HOME=
-
-  [ Pau Espin Pedrol ]
-  * code-architecture.adoc: Fix missing alignment in digraph
-  * doc: Introduce documentation for osmo-trx-ipc and its IPC interface
-
- -- Oliver Smith <osmith@sysmocom.de>  Wed, 24 Jul 2024 15:57:14 +0200
-
-osmo-trx (1.6.0) unstable; urgency=medium
-
-  [ Vadim Yanitskiy ]
-  * configure.ac: check if LIBTRXCON_DIR (submodule) exists
-  * tests: Makefile.am: move -I flags from AM_CFLAGS to AM_CPPFLAGS
-  * tests: there shall be no libraries in LDFLAGS
-  * tests: use -no-install libtool flag to avoid ./lt-* scripts
-  * tests: LMSDeviceTest: fix CPPFLAGS vs CXXFLAGS
-  * ipc-driver-test: clean up variables in Makefile.am
-  * CommonLibs: remove unused *trx in cfg[_no]_ctr_error_threshold_cmd
-  * CommonLibs: clean up and fix Makefile.am
-  * ms: logging: print category, level, and extended timestamp
-
-  [ Oliver Smith ]
-  * Run struct_endianness.py
-  * debian: set compat level to 10
-  * systemd: depend on networking-online.target
-  * USRPDevice:updateAlignment: remove byteswap code
-
-  [ Eric ]
-  * .clang-format: adjust template formatting
-  * ms: update submodule to currently known working version
-  * ms: adjust tx scaling for tx samples
-  * ms : fix the template formatting
-  * ms: fix the gain init for blade
-  * ms: prettify scheduling + add odroid
-  * ms: fix startup & shutdown of blade
-  * ms: block burst q to upper layer
-  * ms: use single thread pool
-  * ms : rename var
-  * ms : rename var
-  * ms: cache frequency
-  * ms: pretty tx buf class
-  * ms: rearrange internal trxcon<->phy if
-  * ms: remove syncthing tool
-  * ms: prune common sch acq code
-  * ms: rearrange code to allow clean exits
-  * ms: flexible template for value_type buffer sum
-  * ms: make init call less confusing
-  * transceiver: pass cfg struct instead of args
-  * devices: unify band handling
-  * ms: fix blocking logging
-  * ms: drop the tx burst padding
-  * trx: fix dev-args issue
-  * ms: update osmocom-bb
-  * ms: restructure the va code to add rach support
-  * transceiver: add experimental viterbi equalizer support
-  * ms/va: make ancient gcc < 8 happy
-  * ms: fix thread prio startup issue
-  * ms: fix a few coverity complaints related to initialization
-  * ms: bump osmocom-bb submodule to current head
-
-  [ Eric Wild ]
-  * ms: adjust float<->integral type conversion
-  * ms: sch: drop intermediate softvector
-  * devices: add freq/gain override for uhd
-
-  [ arehbein ]
-  * Transition to use of 'telnet_init_default'
-
-  [ Pau Espin Pedrol ]
-  * Call osmo_fd_unregister() before closing and changing bfd->fd
-  * ms: update osmocom-bb submodule
-
- -- Pau Espin Pedrol <pespin@sysmocom.de>  Tue, 12 Sep 2023 15:56:57 +0200
-
-osmo-trx (1.5.0) unstable; urgency=medium
-
-  [ Oliver Smith ]
-  * configure.ac: add -lboost_thread for uhd < 4.2.0
-  * gitignore: add uhddev_ipc.cpp
-  * contrib/jenkins: don't run "make distcheck" on arm
-
-  [ Vadim Yanitskiy ]
-  * threshold_timer_update_intv(): call osmo_timer_del() unconditionally
-  * Transceiver::expectedCorrType(): RACH is always 8-bit on PTCCH/U
-  * contrib/jenkins.sh: dump submodule status before building
-  * configure.ac: fix: properly check whether to enable ms-trx
-  * configure.ac: allow building without cloning submodules
-  * configure.ac: cosmetic: rearrange MS TRX related logic
-  * configure.ac: make use of AC_MSG_CHECKING and AC_MSG_RESULT
-
-  [ Max ]
-  * Set working directory in systemd service file
-  * Add realtime scheduling and set priority in service file
-  * ctrl: take both address and port from vty config
-
-  [ Eric ]
-  * ignore vscode dirs
-  * rename noisevector class -> avgvector
-  * osmocom-bb for ms-trx side trxcon integration
-  * add checkpatch config
-  * bladerf xa4 support
-  * update osmocom-bb submodule to fix make distcheck
-  * vita demod by piotr krysik, modified
-  * properly update osmocom-bb submodule, for real this time..
-  * ms-trx support
-  * clean up mutex, scopedlock, and signal classes
-  * ipc: add missing override
-  * clang-format: proper c++ standard
-  * ipc: remove old autotools workaround
-  * ms: init trash used to escape the usb callbacks
-  * radio interface: fix init
-
-  [ Eric Wild ]
-  * mstrx: do not wait forever if clock locking fails
-
- -- Pau Espin Pedrol <pespin@sysmocom.de>  Tue, 07 Feb 2023 17:08:17 +0100
-
-osmo-trx (1.4.1) unstable; urgency=medium
-
-  [ Oliver Smith ]
-  * treewide: remove FSF address
-
-  [ Vadim Yanitskiy ]
-  * tests: use 'check_PROGRAMS' instead of 'noinst_PROGRAMS'
-
-  [ Harald Welte ]
-  * update git URLs (git -> https; gitea)
-
- -- Pau Espin Pedrol <pespin@sysmocom.de>  Wed, 29 Jun 2022 09:32:56 +0200
-
 osmo-trx (1.4.0) unstable; urgency=medium
 
   [ Pau Espin Pedrol ]

debian/compat

@@ -1 +1 @@
-10
+9

debian/control

@@ -2,7 +2,7 @@ Source: osmo-trx
 Section: net
 Priority: optional
 Maintainer: Osmocom team <openbsc@lists.osmocom.org>
-Build-Depends: debhelper (>= 10),
+Build-Depends: debhelper (>= 9),
                autotools-dev,
                autoconf-archive,
                pkg-config,
@@ -14,12 +14,11 @@ Build-Depends: debhelper (>= 10),
                libtalloc-dev,
                libusrp-dev,
                liblimesuite-dev,
-               libbladerf-dev,
+               libosmocore-dev (>= 1.6.0),
-               libosmocore-dev (>= 1.10.0),
+               osmo-gsm-manuals-dev
-               osmo-gsm-manuals-dev (>= 1.6.0)
 Standards-Version: 3.9.6
-Vcs-Browser: https://gitea.osmocom.org/cellular-infrastructure/osmo-trx
+Vcs-Browser: http://cgit.osmocom.org/osmo-trx
-Vcs-Git: https://gitea.osmocom.org/cellular-infrastructure/osmo-trx
+Vcs-Git: git://git.osmocom.org/osmo-trx
 Homepage: https://projects.osmocom.org/projects/osmotrx
 
 Package: osmo-trx
@@ -111,25 +110,6 @@ Description: SDR transceiver that implements Layer 1 of a GSM BTS (generic IPC)
  between different telecommunication associations for developing new
  generations of mobile phone networks. (post-2G/GSM)
 
-Package: osmo-trx-ms-blade
-Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: MS side transceiver (bladeRF)
- OsmoTRX is a software-defined radio transceiver that implements the Layer 1
- physical layer of a BTS comprising the following 3GPP specifications:
- .
- TS 05.01 "Physical layer on the radio path"
- TS 05.02 "Multiplexing and Multiple Access on the Radio Path"
- TS 05.04 "Modulation"
- TS 05.10 "Radio subsystem synchronization"
- .
- In this context, BTS is "Base transceiver station". It's the stations that
- connect mobile phones to the mobile network.
- .
- 3GPP is the "3rd Generation Partnership Project" which is the collaboration
- between different telecommunication associations for developing new
- generations of mobile phone networks. (post-2G/GSM)
-
 Package: osmo-trx-doc
 Architecture: all
 Section: doc

debian/copyright

@@ -1,6 +1,6 @@
 Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: OsmoTRX
-Source: https://gitea.osmocom.org/cellular-infrastructure/osmo-trx
+Source: http://cgit.osmocom.org/osmo-trx/
 Files-Excluded: Transceiver52M/device/usrp1/std_inband.rbf
 
 Files: *