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transceiver: uhd: make external reference a compile time option

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External reference selection was already compile-time
determined by a hard coded value. Make it selectable
as a configure option.

Signed-off-by: Thomas Tsou <ttsou@vt.edu>

git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@2686 19bc5d8c-e614-43d4-8b26-e1612bc8e597
This commit is contained in:
Kurtis Heimerl
2011-11-26 03:19:19 +00:00
parent cafe8d5805
commit b9b7d7aff5
2 changed files with 13 additions and 6 deletions
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10
Transceiver52M/UHDDevice.cpp
View File

@@ -32,8 +32,6 @@
#endif
/*
use_ext_ref - Enable external 10MHz clock reference
master_clk_rt - Master clock frequency - ignored if host resampling is
enabled
@@ -46,7 +44,6 @@
tx_ampl - Transmit amplitude must be between 0 and 1.0
*/
const bool use_ext_ref = false;
const double master_clk_rt = 52e6;
const size_t smpl_buf_sz = (1 << 20);
const float tx_ampl = .3;
@@ -426,6 +423,10 @@ bool uhd_device::open()
return false;
}
#ifdef EXTREF
set_ref_clk(true);
#endif
// Number of samples per over-the-wire packet
tx_spp = usrp_dev->get_device()->get_max_send_samps_per_packet();
rx_spp = usrp_dev->get_device()->get_max_recv_samps_per_packet();
@@ -445,9 +446,6 @@ bool uhd_device::open()
// Initialize and shadow gain values
init_gains();
// Set reference clock
set_ref_clk(use_ext_ref);
// Print configuration
LOG(INFO) << "\n" << usrp_dev->get_pp_string();

9
configure.ac
View File

@@ -67,6 +67,11 @@ AC_ARG_WITH(resamp, [
[enable resampling for non-52MHz devices])
])
AC_ARG_WITH(extref, [
AS_HELP_STRING([--with-extref],
[enable external reference on UHD devices])
])
AS_IF([test "x$with_usrp1" = "xyes"], [
# Defines USRP_CFLAGS, USRP_INCLUDEDIR, and USRP_LIBS
PKG_CHECK_MODULES(USRP, usrp > 3.1)
@@ -89,6 +94,10 @@ AS_IF([test "x$with_resamp" = "xyes"], [
AC_DEFINE(RESAMPLE, 1, Define to 1 for resampling)
])
AS_IF([test "x$with_extref" = "xyes"], [
AC_DEFINE(EXTREF, 1, Define to 1 for external reference)
])
AM_CONDITIONAL(RESAMPLE, [test "x$with_resamp" = "xyes"])
AM_CONDITIONAL(UHD, [test "x$with_usrp1" != "xyes"])