lms: Fix coding style

In Change-Id Ib2fca81b76d027b08e2891056fa076d071597783 we introduced
some coding style violations.  Let's make newly-added code follows
standard Osmocom coding style.

Change-Id: Ib7ddd275014f03a2eed3cddc02b1356e2b00c0bc

.gitignore

@@ -0,0 +1,53 @@
+# build results
+*.o
+*.lo
+*.la
+Transceiver52M/osmo-trx-uhd
+Transceiver52M/osmo-trx-usrp1
+Transceiver52M/osmo-trx-lms
+
+# tests
+tests/CommonLibs/BitVectorTest
+tests/CommonLibs/F16Test
+tests/CommonLibs/InterthreadTest
+tests/CommonLibs/LogTest
+tests/CommonLibs/RegexpTest
+tests/CommonLibs/SocketsTest
+tests/CommonLibs/TimevalTest
+tests/CommonLibs/URLEncodeTest
+tests/CommonLibs/VectorTest
+tests/CommonLibs/PRBSTest
+tests/Transceiver52M/convolve_test
+
+# automake/autoconf
+*.in
+.deps
+.libs
+.dirstamp
+*~
+Makefile
+config.log
+config.status
+config.h
+config.guess
+config.sub
+config/*
+configure
+compile
+aclocal.m4
+autom4te.cache
+depcomp
+install-sh
+libtool
+ltmain.sh
+missing
+stamp-h1
+INSTALL
+tests/package.m4
+tests/testsuite
+tests/atconfig
+tests/testsuite.dir
+tests/testsuite.log
+
+# vim
+*.sw?

.gitreview

@@ -0,0 +1,3 @@
+[gerrit]
+host=gerrit.osmocom.org
+project=osmo-trx

AUTHORS

@@ -1,18 +1,18 @@
 #
 # Copyright 2008, 2009 Free Software Foundation, Inc.
-# 
+#
 # This file is part of GNU Radio
-# 
+#
 # GNU Radio 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.
-# 
+#
 # GNU Radio 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 this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
@@ -23,34 +23,17 @@ David A. Burgess, dburgess@kestrelsp.com:
     CLI/CLI.h
     CommonLibs/Assert.h
     CommonLibs/BitVector.cpp
-    CommonLibs/BitVectorTest.cpp
-    CommonLibs/Configuration.cpp
-    CommonLibs/Configuration.h
-    CommonLibs/ConfigurationTest.cpp
     CommonLibs/Interthread.h
-    CommonLibs/InterthreadTest.cpp
     CommonLibs/LinkedLists.cpp
     CommonLibs/LinkedLists.h
     CommonLibs/Regexp.h
-    CommonLibs/RegexpTest.cpp
     CommonLibs/Sockets.cpp
     CommonLibs/Sockets.h
-    CommonLibs/SocketsTest.cpp
     CommonLibs/Threads.cpp
     CommonLibs/Threads.h
     CommonLibs/Timeval.cpp
     CommonLibs/Timeval.h
-    CommonLibs/TimevalTest.cpp
     CommonLibs/Vector.h
-    CommonLibs/VectorTest.cpp
-    Control/CallControl.cpp
-    Control/ControlCommon.cpp
-    Control/ControlCommon.h
-    Control/FACCHDispatch.cpp
-    Control/MobilityManagement.cpp
-    Control/PagerTest.cpp
-    Control/RadioResource.cpp
-    Control/SDCCHDispatch.cpp
     GSM/GSM610Tables.cpp
     GSM/GSM610Tables.h
     GSM/GSMCommon.cpp
@@ -82,29 +65,15 @@ David A. Burgess, dburgess@kestrelsp.com:
     GSM/GSMTransfer.cpp
     GSM/GSMTransfer.h
     LICENSEBLOCK
-    SIP/SIPEngine.h
-    SIP/SIPInterface.h
-    SMS/SMSMessages.cpp
-    SMS/SMSMessages.h
-    SMS/SMSTransfer.cpp
-    SMS/SMSTransfer.h
     TRXManager/TRXManager.cpp
     Transceiver/Complex.h
-    apps/OpenBTS900.cpp
-    apps/OpenBTS850.cpp
-    apps/OpenBTS25c3.cpp
-    tests/AGCHTest.cpp
-    tests/BeaconTest.cpp
-    tests/CallTest.cpp
-    tests/CallTest2.cpp
-    tests/LAPDmTest.cpp
-    tests/LoopbackTest.cpp
-    tests/RegistrationTest.cpp
-    tests/TRXSimulator.cpp
+    tests/CommonLibs/BitVectorTest.cpp
+    tests/CommonLibs/InterthreadTest.cpp
+    tests/CommonLibs/SocketsTest.cpp
+    tests/CommonLibs/TimevalTest.cpp
+    tests/CommonLibs/VectorTest.cpp
 
 Harvind S. Samra, hssamra@kestrelsp.com:
-    Control/PagerTest.cpp
-    Control/RadioResource.cpp
     GSM/GSMConfig.h
     GSM/GSMTransfer.h
     LICENSEBLOCK
@@ -126,13 +95,6 @@ Harvind S. Samra, hssamra@kestrelsp.com:
     Transceiver/testRadio.cpp
 
 Raffi Sevlian, raffisev@gmail.com:
-    Control/CallControl.cpp
-    Control/ControlCommon.cpp
-    Control/ControlCommon.h
-    Control/FACCHDispatch.cpp
-    Control/MobilityManagement.cpp
-    Control/PagerTest.cpp
-    Control/RadioResource.cpp
     GSM/GSMCommon.h
     GSM/GSMConfig.h
     GSM/GSML1FEC.h
@@ -157,36 +119,9 @@ Raffi Sevlian, raffisev@gmail.com:
     GSM/GSMSAPMux.h
     GSM/GSMTransfer.h
     LICENSEBLOCK
-    SIP/SIPEngine.cpp
-    SIP/SIPInterface.cpp
-    SIP/SIPInterface.h
-    SIP/SIPMessage.cpp
-    SIP/SIPMessage.h
-    SIP/SIPUtility.cpp
-    SIP/SIPUtility.h
-    SMS/CMMessage.cpp
-    SMS/CMMessage.h
-    SMS/CMProcessor.cpp
-    SMS/CMProcessor.h
-    SMS/CMTest.cpp
-    SMS/RLMessage.cpp
-    SMS/RLMessage.h
-    SMS/RLProcessor.cpp
-    SMS/RLProcessor.h
-    SMS/SMSMessages.cpp
-    SMS/SMSMessages.h
-    SMS/SMSProcessors.cpp
-    SMS/SMSProcessors.h
-    SMS/SMSTransfer.cpp
-    SMS/SMSTransfer.h
-    SMS/TLMessage.cpp
-    SMS/TLMessage.h
-    SMS/TLProcessor.cpp
-    SMS/TLProcessor.h
     TRXManager/TRXManager.h
 
 Alon Levy, alonlevy1@gmail.com
     RRLPMessages.cpp
     RRLPMessages.h
     RRLPTest.cpp
-

COPYING

@@ -673,16 +673,16 @@ on the AGPLv3 text.
 =========================================================================
 
 
-ADDITIONAL TERMS TO THE AGPLv3 LICENSE FOR OPENBTS
+ADDITIONAL TERMS TO THE AGPLv3 LICENSE FOR OsmoTRX
 
 
 Permissive Terms Supplementing the License
 
 1. Remote Interaction Through IP Networks.
 
-OpenBTS includes an implementation of the GSM network cellular air interface,
+OsmoTRX is an implementation of the GSM network cellular air interface,
 as well as other interfaces to IP networks.  The interaction of cellular
-handsets with the OpenBTS software is considered "remote network interaction"
+handsets with the OsmoTRX software is considered "remote network interaction"
 for the purposes of the Affero General Public License and cellular users are
 subject to the source code access requirements of Section 13 of AGPLv3 ("Remote
 Network Interaction; Use with the GNU General Public License").
@@ -694,17 +694,6 @@ interfaces other than the GSM air interface from the requirements of Section 13
 is an additional permission granted to you.  
 
 
-Non-Permissive Terms Supplementing The License
-
-1. Trademarks.
-
-"OpenBTS" is a trademark of Range Networks, Inc., registered with
-the US Patent and Trademark Office.  Your use of OpenBTS software under a GPL
-license does not include the right to use the OpenBTS trademark in commerce.
-This additional non-permissive term is consistent with Section 7 of the AGPLv3
-license.
-
-
 END OF ADDITIONAL TERMS
 
 
@@ -712,13 +701,8 @@ END OF ADDITIONAL TERMS
 How to comply with Section 13 of the AGPLv3 license.
 
 The recommended method for compliance with Section 13 of the AGPLv3 license is
-to deliver a text message to each handset that attaches to the OpenBTS cellular
-network.  At a minimum, that text message should include the string "OpenBTS
-AGPLv3" and a URL that can be used to access the OpenBTS source code.  This
+to deliver a text message to each handset that attaches to the cellular
+network which uses OsmoTRX.  At a minimum, that text message should include the string
+"OsmoTRX AGPLv3" and a URL that can be used to access the OsmoBTS source code.  This
 message need not be delivered to handsets that are denied registration with the
 network, since those handsets have been denied service.
-
-In OpenBTS 2.6, such text messages can be delivered with the "Welcome Message"
-feature.  See the OpenBTS.config.example file for more information on the use of
-this feature for AGPLv3 compliance.
-

CommonLibs/BitVector.cpp

@@ -30,6 +30,7 @@
 #include <iostream>
 #include <stdio.h>
 #include <sstream>
+#include <math.h>
 
 using namespace std;
 
@@ -199,49 +200,6 @@ void BitVector::LSB8MSB()
 
 
 
-uint64_t BitVector::syndrome(Generator& gen) const
-{
-	gen.clear();
-	const char *dp = mStart;
-	while (dp<mEnd) gen.syndromeShift(*dp++);
-	return gen.state();
-}
-
-
-uint64_t BitVector::parity(Generator& gen) const
-{
-	gen.clear();
-	const char *dp = mStart;
-	while (dp<mEnd) gen.encoderShift(*dp++);
-	return gen.state();
-}
-
-
-void BitVector::encode(const ViterbiR2O4& coder, BitVector& target)
-{
-	size_t sz = size();
-	assert(sz*coder.iRate() == target.size());
-
-	// Build a "history" array where each element contains the full history.
-	uint32_t history[sz];
-	uint32_t accum = 0;
-	for (size_t i=0; i<sz; i++) {
-		accum = (accum<<1) | bit(i);
-		history[i] = accum;
-	}
-
-	// Look up histories in the pre-generated state table.
-	char *op = target.begin();
-	for (size_t i=0; i<sz; i++) {
-		unsigned index = coder.cMask() & history[i];
-		for (unsigned g=0; g<coder.iRate(); g++) {
-			*op++ = coder.stateTable(g,index);
-		}
-	}
-}
-
-
-
 unsigned BitVector::sum() const
 {
 	unsigned sum = 0;
@@ -287,148 +245,12 @@ ostream& operator<<(ostream& os, const BitVector& hv)
 
 
 
-ViterbiR2O4::ViterbiR2O4()
-{
-	assert(mDeferral < 32);
-	mCoeffs[0] = 0x019;
-	mCoeffs[1] = 0x01b;
-	computeStateTables(0);
-	computeStateTables(1);
-	computeGeneratorTable();
-}
-
-
-
-
-void ViterbiR2O4::initializeStates()
-{
-	for (unsigned i=0; i<mIStates; i++) clear(mSurvivors[i]);
-	for (unsigned i=0; i<mNumCands; i++) clear(mCandidates[i]);
-}
-
-
-
-void ViterbiR2O4::computeStateTables(unsigned g)
-{
-	assert(g<mIRate);
-	for (unsigned state=0; state<mIStates; state++) {
-		// 0 input
-		uint32_t inputVal = state<<1;
-		mStateTable[g][inputVal] = applyPoly(inputVal, mCoeffs[g], mOrder+1);
-		// 1 input
-		inputVal |= 1;
-		mStateTable[g][inputVal] = applyPoly(inputVal, mCoeffs[g], mOrder+1);
-	}
-}
-
-void ViterbiR2O4::computeGeneratorTable()
-{
-	for (unsigned index=0; index<mIStates*2; index++) {
-		mGeneratorTable[index] = (mStateTable[0][index]<<1) | mStateTable[1][index];
-	}
-}
-
-
-
-
-
-
-void ViterbiR2O4::branchCandidates()
-{
-	// Branch to generate new input states.
-	const vCand *sp = mSurvivors;
-	for (unsigned i=0; i<mNumCands; i+=2) {
-		// extend and suffix
-		const uint32_t iState0 = (sp->iState) << 1;				// input state for 0
-		const uint32_t iState1 = iState0 | 0x01;				// input state for 1
-		const uint32_t oStateShifted = (sp->oState) << mIRate;	// shifted output
-		const float cost = sp->cost;
-		sp++;
-		// 0 input extension
-		mCandidates[i].cost = cost;
-		mCandidates[i].oState = oStateShifted | mGeneratorTable[iState0 & mCMask];
-		mCandidates[i].iState = iState0;
-		// 1 input extension
-		mCandidates[i+1].cost = cost;
-		mCandidates[i+1].oState = oStateShifted | mGeneratorTable[iState1 & mCMask];
-		mCandidates[i+1].iState = iState1;
-	}
-}
-
-
-void ViterbiR2O4::getSoftCostMetrics(const uint32_t inSample, const float *matchCost, const float *mismatchCost)
-{
-	const float *cTab[2] = {matchCost,mismatchCost};
-	for (unsigned i=0; i<mNumCands; i++) {
-		vCand& thisCand = mCandidates[i];
-		// We examine input bits 2 at a time for a rate 1/2 coder.
-		const unsigned mismatched = inSample ^ (thisCand.oState);
-		thisCand.cost += cTab[mismatched&0x01][1] + cTab[(mismatched>>1)&0x01][0];
-	}
-}
-
-
-void ViterbiR2O4::pruneCandidates()
-{
-	const vCand* c1 = mCandidates;					// 0-prefix
-	const vCand* c2 = mCandidates + mIStates;		// 1-prefix
-	for (unsigned i=0; i<mIStates; i++) {
-		if (c1[i].cost < c2[i].cost) mSurvivors[i] = c1[i];
-		else mSurvivors[i] = c2[i];
-	}
-}
-
-
-const ViterbiR2O4::vCand& ViterbiR2O4::minCost() const
-{
-	int minIndex = 0;
-	float minCost = mSurvivors[0].cost;
-	for (unsigned i=1; i<mIStates; i++) {
-		const float thisCost = mSurvivors[i].cost;
-		if (thisCost>=minCost) continue;
-		minCost = thisCost;
-		minIndex=i;
-	}
-	return mSurvivors[minIndex];
-}
-
-
-const ViterbiR2O4::vCand& ViterbiR2O4::step(uint32_t inSample, const float *probs, const float *iprobs)
-{
-	branchCandidates();
-	getSoftCostMetrics(inSample,probs,iprobs);
-	pruneCandidates();
-	return minCost();
-}
-
-
-uint64_t Parity::syndrome(const BitVector& receivedCodeword)
-{
-	return receivedCodeword.syndrome(*this);
-}
-
-
-void Parity::writeParityWord(const BitVector& data, BitVector& parityTarget, bool invert)
-{
-	uint64_t pWord = data.parity(*this);
-	if (invert) pWord = ~pWord; 
-	parityTarget.fillField(0,pWord,size());
-}
-
-
-
-
-
-
-
-
-
 SoftVector::SoftVector(const BitVector& source)
 {
 	resize(source.size());
 	for (size_t i=0; i<size(); i++) {
 		if (source.bit(i)) mStart[i]=1.0F;
-		else mStart[i]=0.0F;
+		else mStart[i]=-1.0F;
 	}
 }
 
@@ -438,102 +260,20 @@ BitVector SoftVector::sliced() const
 	size_t sz = size();
 	BitVector newSig(sz);
 	for (size_t i=0; i<sz; i++) {
-		if (mStart[i]>0.5F) newSig[i]=1;
+		if (mStart[i]>0.0F) newSig[i]=1;
 		else newSig[i] = 0;
 	}
 	return newSig;
 }
 
 
-
-void SoftVector::decode(ViterbiR2O4 &decoder, BitVector& target) const
-{
-	const size_t sz = size();
-	const unsigned deferral = decoder.deferral();
-	const size_t ctsz = sz + deferral*decoder.iRate();
-	assert(sz <= decoder.iRate()*target.size());
-
-	// Build a "history" array where each element contains the full history.
-	uint32_t history[ctsz];
-	{
-		BitVector bits = sliced();
-		uint32_t accum = 0;
-		for (size_t i=0; i<sz; i++) {
-			accum = (accum<<1) | bits.bit(i);
-			history[i] = accum;
-		}
-		// Repeat last bit at the end.
-		for (size_t i=sz; i<ctsz; i++) {
-			accum = (accum<<1) | (accum & 0x01);
-			history[i] = accum;
-		}
-	}
-
-	// Precompute metric tables.
-	float matchCostTable[ctsz];
-	float mismatchCostTable[ctsz];
-	{
-		const float *dp = mStart;
-		for (size_t i=0; i<sz; i++) {
-			// pVal is the probability that a bit is correct.
-			// ipVal is the probability that a bit is incorrect.
-			float pVal = dp[i];
-			if (pVal>0.5F) pVal = 1.0F-pVal;
-			float ipVal = 1.0F-pVal;
-			// This is a cheap approximation to an ideal cost function.
-			if (pVal<0.01F) pVal = 0.01;
-			if (ipVal<0.01F) ipVal = 0.01;
-			matchCostTable[i] = 0.25F/ipVal;
-			mismatchCostTable[i] = 0.25F/pVal;
-		}
-	
-		// pad end of table with unknowns
-		for (size_t i=sz; i<ctsz; i++) {
-			matchCostTable[i] = 0.5F;
-			mismatchCostTable[i] = 0.5F;
-		}
-	}
-
-	{
-		decoder.initializeStates();
-		// Each sample of history[] carries its history.
-		// So we only have to process every iRate-th sample.
-		const unsigned step = decoder.iRate();
-		// input pointer
-		const uint32_t *ip = history + step - 1;
-		// output pointers
-		char *op = target.begin();
-		const char *const opt = target.end();
-		// table pointers
-		const float* match = matchCostTable;
-		const float* mismatch = mismatchCostTable;
-		size_t oCount = 0;
-		while (op<opt) {
-			// Viterbi algorithm
-			assert(match-matchCostTable<sizeof(matchCostTable)/sizeof(matchCostTable[0])-1);
-			assert(mismatch-mismatchCostTable<sizeof(mismatchCostTable)/sizeof(mismatchCostTable[0])-1);
-			const ViterbiR2O4::vCand &minCost = decoder.step(*ip, match, mismatch);
-			ip += step;
-			match += step;
-			mismatch += step;
-			// output
-			if (oCount>=deferral) *op++ = (minCost.iState >> deferral)&0x01;
-			oCount++;
-		}
-	}
-}
-
-
-
-// (pat) Added 6-22-2012
 float SoftVector::getEnergy(float *plow) const
 {
 	const SoftVector &vec = *this;
 	int len = vec.size();
 	float avg = 0; float low = 1;
 	for (int i = 0; i < len; i++) {
-		float bit = vec[i];
-		float energy = 2*((bit < 0.5) ? (0.5-bit) : (bit-0.5));
+		float energy = fabsf(vec[i]);
 		if (energy < low) low = energy;
 		avg += energy/len;
 	}
@@ -545,8 +285,12 @@ float SoftVector::getEnergy(float *plow) const
 ostream& operator<<(ostream& os, const SoftVector& sv)
 {
 	for (size_t i=0; i<sv.size(); i++) {
-		if (sv[i]<0.25) os << "0";
-		else if (sv[i]>0.75) os << "1";
+		if (sv[i]<-0.5) os << "0";
+		else if (sv[i]<-0.25) os << "o";
+		else if (sv[i]<0.0) os << ".";
+		else if (sv[i]>0.5) os << "1";
+		else if (sv[i]>0.25) os << "|";
+		else if (sv[i]>0.0) os << "'";
 		else os << "-";
 	}
 	return os;

CommonLibs/BitVector.h

@@ -30,201 +30,6 @@
 #include <stdint.h>
 
 
-class BitVector;
-class SoftVector;
-
-
-
-/** Shift-register (LFSR) generator. */
-class Generator {
-
-	private:
-
-	uint64_t mCoeff;	///< polynomial coefficients. LSB is zero exponent.
-	uint64_t mState;	///< shift register state. LSB is most recent.
-	uint64_t mMask;		///< mask for reading state
-	unsigned mLen;		///< number of bits used in shift register
-	unsigned mLen_1;	///< mLen - 1
-
-	public:
-
-	Generator(uint64_t wCoeff, unsigned wLen)
-		:mCoeff(wCoeff),mState(0),
-		mMask((1ULL<<wLen)-1),
-		mLen(wLen),mLen_1(wLen-1)
-	{ assert(wLen<64); }
-
-	void clear() { mState=0; }
-
-	/**@name Accessors */
-	//@{
-	uint64_t state() const { return mState & mMask; }
-	unsigned size() const { return mLen; }
-	//@}
-
-	/**
-		Calculate one bit of a syndrome.
-		This is in the .h for inlining.
-	*/
-	void syndromeShift(unsigned inBit)
-	{
-		const unsigned fb = (mState>>(mLen_1)) & 0x01;
-		mState = (mState<<1) ^ (inBit & 0x01);
-		if (fb) mState ^= mCoeff;
-	}
-
-	/**
-		Update the generator state by one cycle.
-		This is in the .h for inlining.
-	*/
-	void encoderShift(unsigned inBit)
-	{
-		const unsigned fb = ((mState>>(mLen_1)) ^ inBit) & 0x01;
-		mState <<= 1;
-		if (fb) mState ^= mCoeff;
-	}
-
-
-};
-
-
-
-
-/** Parity (CRC-type) generator and checker based on a Generator. */
-class Parity : public Generator {
-
-	protected:
-
-	unsigned mCodewordSize;
-
-	public:
-
-	Parity(uint64_t wCoefficients, unsigned wParitySize, unsigned wCodewordSize)
-		:Generator(wCoefficients, wParitySize),
-		mCodewordSize(wCodewordSize)
-	{ }
-
-	/** Compute the parity word and write it into the target segment.  */
-	void writeParityWord(const BitVector& data, BitVector& parityWordTarget, bool invert=true);
-
-	/** Compute the syndrome of a received sequence. */
-	uint64_t syndrome(const BitVector& receivedCodeword);
-};
-
-
-
-
-/**
-	Class to represent convolutional coders/decoders of rate 1/2, memory length 4.
-	This is the "workhorse" coder for most GSM channels.
-*/
-class ViterbiR2O4 {
-
-	private:
-		/**name Lots of precomputed elements so the compiler can optimize like hell. */
-		//@{
-		/**@name Core values. */
-		//@{
-		static const unsigned mIRate = 2;	///< reciprocal of rate
-		static const unsigned mOrder = 4;	///< memory length of generators
-		//@}
-		/**@name Derived values. */
-		//@{
-		static const unsigned mIStates = 0x01 << mOrder;	///< number of states, number of survivors
-		static const uint32_t mSMask = mIStates-1;			///< survivor mask
-		static const uint32_t mCMask = (mSMask<<1) | 0x01;	///< candidate mask
-		static const uint32_t mOMask = (0x01<<mIRate)-1;	///< ouput mask, all iRate low bits set
-		static const unsigned mNumCands = mIStates*2;		///< number of candidates to generate during branching
-		static const unsigned mDeferral = 6*mOrder;			///< deferral to be used
-		//@}
-		//@}
-
-		/** Precomputed tables. */
-		//@{
-		uint32_t mCoeffs[mIRate];					///< polynomial for each generator
-		uint32_t mStateTable[mIRate][2*mIStates];	///< precomputed generator output tables
-		uint32_t mGeneratorTable[2*mIStates];		///< precomputed coder output table
-		//@}
-	
-	public:
-
-		/**
-		  A candidate sequence in a Viterbi decoder.
-		  The 32-bit state register can support a deferral of 6 with a 4th-order coder.
-		 */
-		typedef struct candStruct {
-			uint32_t iState;	///< encoder input associated with this candidate
-			uint32_t oState;	///< encoder output associated with this candidate
-			float cost;			///< cost (metric value), float to support soft inputs
-		} vCand;
-
-		/** Clear a structure. */
-		void clear(vCand& v)
-		{
-			v.iState=0;
-			v.oState=0;
-			v.cost=0;
-		}
-		
-
-	private:
-
-		/**@name Survivors and candidates. */
-		//@{
-		vCand mSurvivors[mIStates];			///< current survivor pool
-		vCand mCandidates[2*mIStates];		///< current candidate pool
-		//@}
-
-	public:
-
-		unsigned iRate() const { return mIRate; }
-		uint32_t cMask() const { return mCMask; }
-		uint32_t stateTable(unsigned g, unsigned i) const { return mStateTable[g][i]; }
-		unsigned deferral() const { return mDeferral; }
-		
-
-		ViterbiR2O4();
-
-		/** Set all cost metrics to zero. */
-		void initializeStates();
-
-		/**
-			Full cycle of the Viterbi algorithm: branch, metrics, prune, select.
-			@return reference to minimum-cost candidate.
-		*/
-		const vCand& step(uint32_t inSample, const float *probs, const float *iprobs);
-
-	private:
-
-		/** Branch survivors into new candidates. */
-		void branchCandidates();
-
-		/** Compute cost metrics for soft-inputs. */
-		void getSoftCostMetrics(uint32_t inSample, const float *probs, const float *iprobs);
-
-		/** Select survivors from the candidate set. */
-		void pruneCandidates();
-
-		/** Find the minimum cost survivor. */
-		const vCand& minCost() const;
-
-		/**
-			Precompute the state tables.
-			@param g Generator index 0..((1/rate)-1)
-		*/
-		void computeStateTables(unsigned g);
-
-		/**
-			Precompute the generator outputs.
-			mCoeffs must be defined first.
-		*/
-		void computeGeneratorTable();
-
-};
-
-
-
-
 class BitVector : public Vector<char> {
 
 
@@ -282,16 +87,6 @@ class BitVector : public Vector<char> {
 
 	void zero() { fill(0); }
 
-	/**@name FEC operations. */
-	//@{
-	/** Calculate the syndrome of the vector with the given Generator. */
-	uint64_t syndrome(Generator& gen) const;
-	/** Calculate the parity word for the vector with the given Generator. */
-	uint64_t parity(Generator& gen) const;
-	/** Encode the signal with the GSM rate 1/2 convolutional encoder. */
-	void encode(const ViterbiR2O4& encoder, BitVector& target);
-	//@}
-
 
 	/** Invert 0<->1. */
 	void invert();
@@ -427,23 +222,20 @@ class SoftVector: public Vector<float> {
 	const SoftVector tail(size_t start) const { return segment(start,size()-start); }
 	//@}
 
-	/** Decode soft symbols with the GSM rate-1/2 Viterbi decoder. */
-	void decode(ViterbiR2O4 &decoder, BitVector& target) const;
-
-	// (pat) How good is the SoftVector in the sense of the bits being solid?
-	// Result of 1 is perfect and 0 means all the bits were 0.5
+	// How good is the SoftVector in the sense of the bits being solid?
+	// Result of 1 is perfect and 0 means all the bits were 0.0
 	// If plow is non-NULL, also return the lowest energy bit.
 	float getEnergy(float *low=0) const;
 
 	/** Fill with "unknown" values. */
-	void unknown() { fill(0.5F); }
+	void unknown() { fill(0.0F); }
 
 	/** Return a hard bit value from a given index by slicing. */
 	bool bit(size_t index) const
 	{
 		const float *dp = mStart+index;
 		assert(dp<mEnd);
-		return (*dp)>0.5F;
+		return (*dp)>0.0F;
 	}
 
 	/** Slice the whole signal into bits. */

CommonLibs/BitVectorTest.cpp

@@ -1,88 +0,0 @@
-/*
-* Copyright 2008 Free Software Foundation, Inc.
-*
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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 "BitVector.h"
-#include <iostream>
-#include <cstdlib>
- 
-using namespace std;
-
-
-int main(int argc, char *argv[])
-{
-	BitVector v1("0000111100111100101011110000");
-	cout << v1 << endl;
-	v1.LSB8MSB();
-	cout << v1 << endl;
-	ViterbiR2O4 vCoder;
-	BitVector v2(v1.size()*2);
-	v1.encode(vCoder,v2);
-	cout << v2 << endl;
-	SoftVector sv2(v2);
-	cout << sv2 << endl;
-	for (unsigned i=0; i<sv2.size()/4; i++) sv2[random()%sv2.size()]=0.5;
-	cout << sv2 << endl;
-	BitVector v3(v1.size());
-	sv2.decode(vCoder,v3);
-	cout << v3 << endl;
-
-	cout << v3.segment(3,4) << endl;
-
-	BitVector v4(v3.segment(0,4),v3.segment(8,4));
-	cout << v4 << endl;
-
-	BitVector v5("000011110000");
-	int r1 = v5.peekField(0,8);
-	int r2 = v5.peekField(4,4);
-	int r3 = v5.peekField(4,8);
-	cout << r1 <<  ' ' << r2 << ' ' << r3 << endl;
-	cout << v5 << endl;
-	v5.fillField(0,0xa,4);
-	int r4 = v5.peekField(0,8);
-	cout << v5 << endl;
-	cout << r4 << endl;
-
-	v5.reverse8();
-	cout << v5 << endl;
-
-	BitVector mC = "000000000000111100000000000001110000011100001101000011000000000000000111000011110000100100001010000010100000101000001010000010100000010000000000000000000000000000000000000000000000001100001111000000000000000000000000000000000000000000000000000010010000101000001010000010100000101000001010000001000000000000000000000000110000111100000000000001110000101000001100000001000000000000";
-	SoftVector mCS(mC);
-	BitVector mU(mC.size()/2);
-	mCS.decode(vCoder,mU);
-	cout << "c=" << mCS << endl;
-	cout << "u=" << mU << endl;
-
-
-	unsigned char ts[9] = "abcdefgh";
-	BitVector tp(70);
-	cout << "ts=" << ts << endl;
-	tp.unpack(ts);
-	cout << "tp=" << tp << endl;
-	tp.pack(ts);
-	cout << "ts=" << ts << endl;
-}

CommonLibs/Configuration.h

@@ -1,422 +0,0 @@
-/*
-* Copyright 2009, 2010 Free Software Foundation, Inc.
-* Copyright 2010 Kestrel Signal Processing, Inc.
-* Copyright 2011, 2012 Range Networks, Inc.
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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/>.
-
-*/
-
-
-#ifndef CONFIGURATION_H
-#define CONFIGURATION_H
-
-
-#include "sqlite3util.h"
-
-#include <assert.h>
-#include <stdlib.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <regex.h>
-
-#include <map>
-#include <vector>
-#include <string>
-#include <sstream>
-#include <iostream>
-
-#include <Threads.h>
-#include <stdint.h>
-
-
-/** A class for configuration file errors. */
-class ConfigurationTableError {};
-extern char gCmdName[];	// Gotta be global, gotta be char*, gotta love it.
-
-/** An exception thrown when a given config key isn't found. */
-class ConfigurationTableKeyNotFound : public ConfigurationTableError {
-
-	private:
-
-	std::string mKey;
-
-	public:
-
-	ConfigurationTableKeyNotFound(const std::string& wKey)
-		:mKey(wKey)
-	{ }
-
-	const std::string& key() const { return mKey; }
-
-};
-
-
-class ConfigurationRecord {
-
-	private:
-
-	std::string mValue;
-	long mNumber;
-	bool mDefined;
-
-	public:
-
-	ConfigurationRecord(bool wDefined=true):
-		mDefined(wDefined)
-	{ }
-
-	ConfigurationRecord(const std::string& wValue):
-		mValue(wValue),
-		mNumber(strtol(wValue.c_str(),NULL,0)),
-		mDefined(true)
-	{ }
-
-	ConfigurationRecord(const char* wValue):
-		mValue(std::string(wValue)),
-		mNumber(strtol(wValue,NULL,0)),
-		mDefined(true)
-	{ }
-
-
-	const std::string& value() const { return mValue; }
-	long number() const { return mNumber; }
-	bool defined() const { return mDefined; }
-
-	float floatNumber() const;
-
-};
-
-
-/** A string class that uses a hash function for comparison. */
-class HashString : public std::string {
-
-
-	protected:
-
-	uint64_t mHash;
-
-	void computeHash();
-
-
-	public:
-
-	HashString(const char* src)
-		:std::string(src)
-	{
-		computeHash();
-	}
-
-	HashString(const std::string& src)
-		:std::string(src)
-	{
-		computeHash();
-	}
-
-	HashString()
-	{
-		mHash=0;
-	}
-
-	HashString& operator=(std::string& src)
-	{
-		std::string::operator=(src);
-		computeHash();
-		return *this;
-	}
-
-	HashString& operator=(const char* src)
-	{
-		std::string::operator=(src);
-		computeHash();
-		return *this;
-	}
-
-	bool operator==(const HashString& other)
-	{
-		return mHash==other.mHash;
-	}
-
-	bool operator<(const HashString& other)
-	{
-		return mHash<other.mHash;
-	}
-
-	bool operator>(const HashString& other)
-	{
-		return mHash<other.mHash;
-	}
-
-	uint64_t hash() const { return mHash; }
-
-};
-
-
-typedef std::map<std::string, ConfigurationRecord> ConfigurationRecordMap;
-typedef std::map<HashString, ConfigurationRecord> ConfigurationMap;
-class ConfigurationKey;
-typedef std::map<std::string, ConfigurationKey> ConfigurationKeyMap;
-
-/**
-	A class for maintaining a configuration key-value table,
-	based on sqlite3 and a local map-based cache.
-	Thread-safe, too.
-*/
-class ConfigurationTable {
-
-	private:
-
-	sqlite3* mDB;				///< database connection
-	ConfigurationMap mCache;	///< cache of recently access configuration values
-	mutable Mutex mLock;		///< control for multithreaded access to the cache
-	std::vector<std::string> (*mCrossCheck)(const std::string&);	///< cross check callback pointer
-
-	public:
-
-	ConfigurationKeyMap mSchema;///< definition of configuration default values and validation logic
-
-	ConfigurationTable(const char* filename = ":memory:", const char *wCmdName = 0, ConfigurationKeyMap wSchema = ConfigurationKeyMap());
-
-	/** Generate an up-to-date example sql file for new installs. */
-	std::string getDefaultSQL(const std::string& program, const std::string& version);
-
-	/** Generate an up-to-date TeX snippet. */
-	std::string getTeX(const std::string& program, const std::string& version);
-
-	/** Return true if the key is used in the table.  */
-	bool defines(const std::string& key);
-
-	/** Return true if the application's schema knows about this key. */
-	bool keyDefinedInSchema(const std::string& name);
-
-	/** Return true if the provided value validates correctly against the defined schema. */
-	bool isValidValue(const std::string& name, const std::string& val);
-
-	/** Return true if the provided value validates correctly against the defined schema. */
-	bool isValidValue(const std::string& name, const int val) { std::stringstream ss; ss << val; return isValidValue(name, ss.str()); }
-
-	/** Return a map of all similar keys in the defined schema. */
-	ConfigurationKeyMap getSimilarKeys(const std::string& snippet);
-
-	/** Return true if this key is identified as static. */
-	bool isStatic(const std::string& key);
-
-	/**
-		Get a string parameter from the table.
-		Throw ConfigurationTableKeyNotFound if not found.
-	*/
-	std::string getStr(const std::string& key);
-
-
-	/**
-		Get a boolean from the table.
-		Return false if NULL or 0, true otherwise.
-	*/
-	bool getBool(const std::string& key);
-
-	/**
-		Get a numeric parameter from the table.
-		Throw ConfigurationTableKeyNotFound if not found.
-	*/
-	long getNum(const std::string& key);
-
-	/**
-		Get a vector of strings from the table.
-	*/
-	std::vector<std::string> getVectorOfStrings(const std::string& key);
-
-	/**
-		Get a float from the table.
-		Throw ConfigurationTableKeyNotFound if not found.
-	*/
-	float getFloat(const std::string& key);
-
-	/**
-		Get a numeric vector from the table.
-	*/
-	std::vector<unsigned> getVector(const std::string& key);
-
-	/** Get length of a vector */
-	unsigned getVectorLength(const std::string &key) 
-		{ return getVector(key).size(); }
-
-	/** Set or change a value in the table.  */
-	bool set(const std::string& key, const std::string& value);
-
-	/** Set or change a value in the table.  */
-	bool set(const std::string& key, long value);
-
-	/** Create an entry in the table, no value though. */
-	bool set(const std::string& key);
-
-	/**
-		Remove an entry from the table.
-		Will not alter required values.
-		@param key The key of the item to be removed.
-		@return true if anything was actually removed.
-	*/
-	bool remove(const std::string& key);
-
-	/** Search the table, dumping to a stream. */
-	void find(const std::string& pattern, std::ostream&) const;
-
-	/** Return all key/value pairs stored in the ConfigurationTable */
-	ConfigurationRecordMap getAllPairs() const;
-
-	/** Define the callback to purge the cache whenever the database changes. */
-	void setUpdateHook(void(*)(void *,int ,char const *,char const *,sqlite3_int64));
-
-	/** Define the callback for cross checking. */
-	void setCrossCheckHook(std::vector<std::string> (*wCrossCheck)(const std::string&));
-
-	/** Execute the application specific value cross checking logic. */
-	std::vector<std::string> crossCheck(const std::string& key);
-
-	/** purege cache if it exceeds a certain age */
-	void checkCacheAge();
-
-	/** Delete all records from the cache. */
-	void purge();
-
-
-	private:
-
-	/**
-		Attempt to lookup a record, cache if needed.
-		Throw ConfigurationTableKeyNotFound if not found.
-		Caller should hold mLock because the returned reference points into the cache.
-	*/
-	const ConfigurationRecord& lookup(const std::string& key);
-
-};
-
-
-typedef std::map<HashString, std::string> HashStringMap;
-
-class SimpleKeyValue {
-
-	protected:
-
-	HashStringMap mMap;
-
-	public:
-
-	/** Take a C string "A=B" and set map["A"]="B". */
-	void addItem(const char*);
-
-	/** Take a C string "A=B C=D E=F ..." and add all of the pairs to the map. */
-	void addItems(const char*s);
-
-	/** Return a reference to the string at map["key"]. */
-	const char* get(const char*) const;
-};
-
-
-class ConfigurationKey {
-
-	public:
-
-	enum VisibilityLevel
-	{
-		CUSTOMER,
-		CUSTOMERSITE,
-		CUSTOMERTUNE,
-		CUSTOMERWARN,
-		DEVELOPER,
-		FACTORY
-	};
-
-	enum Type
-	{
-		BOOLEAN,
-		CHOICE_OPT,
-		CHOICE,
-		CIDR_OPT,
-		CIDR,
-		FILEPATH_OPT,
-		FILEPATH,
-		IPADDRESS_OPT,
-		IPADDRESS,
-		IPANDPORT,
-		MIPADDRESS_OPT,
-		MIPADDRESS,
-		PORT_OPT,
-		PORT,
-		REGEX_OPT,
-		REGEX,
-		STRING_OPT,
-		STRING,
-		VALRANGE
-	};
-
-	private:
-
-	std::string mName;
-	std::string mDefaultValue;
-	std::string mUnits;
-	VisibilityLevel mVisibility;
-	Type mType;
-	std::string mValidValues;
-	bool mIsStatic;
-	std::string mDescription;
-
-
-	public:
-
-	ConfigurationKey(const std::string& wName, const std::string& wDefaultValue, const std::string& wUnits, const VisibilityLevel wVisibility, const Type wType, const std::string& wValidValues, bool wIsStatic, const std::string& wDescription):
-		mName(wName),
-		mDefaultValue(wDefaultValue),
-		mUnits(wUnits),
-		mVisibility(wVisibility),
-		mType(wType),
-		mValidValues(wValidValues),
-		mIsStatic(wIsStatic),
-		mDescription(wDescription)
-	{ }
-
-	ConfigurationKey()
-	{ }
-
-	const std::string& getName() const { return mName; }
-	const std::string& getDefaultValue() const { return mDefaultValue; }
-	void updateDefaultValue(const std::string& newValue) { mDefaultValue = newValue; }
-	void updateDefaultValue(const int newValue) { std::stringstream ss; ss << newValue; updateDefaultValue(ss.str()); }
-	const std::string& getUnits() const { return mUnits; }
-	const VisibilityLevel& getVisibility() const { return mVisibility; }
-	const Type& getType() const { return mType; }
-	const std::string& getValidValues() const { return mValidValues; }
-	bool isStatic() const { return mIsStatic; }
-	const std::string& getDescription() const { return mDescription; }
-
-	static bool isValidIP(const std::string& ip);
-	static void getMinMaxStepping(const ConfigurationKey &key, std::string &min, std::string &max, std::string &stepping);
-	template<class T> static bool isInValRange(const ConfigurationKey &key, const std::string& val, const bool isInteger);
-	static const std::string visibilityLevelToString(const VisibilityLevel& visibility);
-	static const std::string typeToString(const ConfigurationKey::Type& type);
-	static void printKey(const ConfigurationKey &key, const std::string& currentValue, std::ostream& os);
-	static void printDescription(const ConfigurationKey &key, std::ostream& os);
-	static const std::string getARFCNsString();
-};
-
-
-#endif
-
-
-// vim: ts=4 sw=4

CommonLibs/ConfigurationTest.cpp

@@ -1,149 +0,0 @@
-/*
-* Copyright 2009, 2010 Free Software Foundation, Inc.
-* Copyright 2010 Kestrel Signal Processing, Inc.
-*
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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 "Configuration.h"
-#include <iostream>
-#include <string>
-
-using namespace std;
-
-ConfigurationKeyMap getConfigurationKeys();
-ConfigurationTable gConfig("exampleconfig.db","test", getConfigurationKeys());
-
-void purgeConfig(void*,int,char const*, char const*, sqlite3_int64)
-{
-	//cout << "update hook" << endl;
-	gConfig.purge();
-}
-
-
-int main(int argc, char *argv[])
-{
-
-	gConfig.setUpdateHook(purgeConfig);
-
-	char *keys[5] = {"key1", "key2", "key3", "key4", "key5"};
-
-	for (int i=0; i<5; i++) {
-		gConfig.set(keys[i],i);
-	}
-
-	for (int i=0; i<5; i++) {
-		cout << "table[" << keys[i] << "]=" << gConfig.getStr(keys[i]) <<  endl;
-		cout << "table[" << keys[i] << "]=" << gConfig.getNum(keys[i]) <<  endl;
-	}
-
-	for (int i=0; i<5; i++) {
-		cout << "defined table[" << keys[i] << "]=" << gConfig.defines(keys[i]) <<  endl;
-	}
-
-	gConfig.set("key5","100 200 300  400 ");
-	std::vector<unsigned> vect = gConfig.getVector("key5");
-	cout << "vect length " << vect.size() << ": ";
-	for (unsigned i=0; i<vect.size(); i++) cout << " " << vect[i];
-	cout << endl;
-	std::vector<string> svect = gConfig.getVectorOfStrings("key5");
-	cout << "vect length " << svect.size() << ": ";
-	for (unsigned i=0; i<svect.size(); i++) cout << " " << svect[i] << ":";
-	cout << endl;
-
-	cout << "bool " << gConfig.getBool("booltest") << endl;
-	gConfig.set("booltest",1);
-	cout << "bool " << gConfig.getBool("booltest") << endl;
-	gConfig.set("booltest",0);
-	cout << "bool " << gConfig.getBool("booltest") << endl;
-
-	gConfig.getStr("newstring");
-	gConfig.getNum("numnumber");
-
-
-	SimpleKeyValue pairs;
-	pairs.addItems(" a=1 b=34 dd=143 ");
-	cout<< pairs.get("a") << endl;
-	cout<< pairs.get("b") << endl;
-	cout<< pairs.get("dd") << endl;
-
-	gConfig.set("fkey","123.456");
-	float fval = gConfig.getFloat("fkey");
-	cout << "fkey " << fval << endl;
-
-	cout << "search fkey:" << endl;
-	gConfig.find("fkey",cout);
-	cout << "search fkey:" << endl;
-	gConfig.find("fkey",cout);
-	gConfig.remove("fkey");
-	cout << "search fkey:" << endl;
-	gConfig.find("fkey",cout);
-
-	try {
-		gConfig.getNum("supposedtoabort");
-	} catch (ConfigurationTableKeyNotFound) {
-		cout << "ConfigurationTableKeyNotFound exception successfully caught." << endl;
-	}
-}
-
-ConfigurationKeyMap getConfigurationKeys()
-{
-	ConfigurationKeyMap map;
-	ConfigurationKey *tmp;
-
-	tmp = new ConfigurationKey("booltest","0",
-		"",
-		ConfigurationKey::DEVELOPER,
-		ConfigurationKey::BOOLEAN,
-		"",
-		false,
-		""
-	);
-	map[tmp->getName()] = *tmp;
-	free(tmp);
-
-	tmp = new ConfigurationKey("numnumber","42",
-		"",
-		ConfigurationKey::DEVELOPER,
-		ConfigurationKey::VALRANGE,
-		"0-100",
-		false,
-		""
-	);
-	map[tmp->getName()] = *tmp;
-	free(tmp);
-
-	tmp = new ConfigurationKey("newstring","new string value",
-		"",
-		ConfigurationKey::DEVELOPER,
-		ConfigurationKey::STRING,
-		"",
-		false,
-		""
-	);
-	map[tmp->getName()] = *tmp;
-	free(tmp);
-
-	return map;
-}

CommonLibs/F16.h

@@ -1,210 +0,0 @@
-/*
-* Copyright 2009 Free Software Foundation, Inc.
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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/>.
-
-*/
-
-
-#ifndef F16_H
-#define F16_H
-
-#include <stdint.h>
-#include <ostream>
-
-
-
-/** Round a float to the appropriate F16 value. */
-inline int32_t _f16_round(float f)
-{
-	if (f>0.0F) return (int32_t)(f+0.5F);
-	if (f<0.0F) return (int32_t)(f-0.5F);
-	return 0;
-}
-
-
-
-/** A class for F15.16 fixed point arithmetic with saturation.  */
-class F16 {
-
-
-	private:
-
-	int32_t mV;
-
-
-	public:
-
-	F16() {}
-
-	F16(int i) { mV = i<<16; }
-	F16(float f) { mV = _f16_round(f*65536.0F); }
-	F16(double f) { mV = _f16_round((float)f*65536.0F); }
-
-	int32_t& raw() { return mV; }
-	const int32_t& raw() const { return mV; }
-
-	float f() const { return mV/65536.0F; }
-
-	//operator float() const { return mV/65536.0F; }
-	//operator int() const { return mV>>16; }
-
-	F16 operator=(float f)
-	{
-		mV = _f16_round(f*65536.0F);
-		return *this;
-	}
-
-	F16 operator=(int i)
-	{
-		mV = i<<16;
-		return *this;
-	}
-
-	F16 operator=(const F16& other)
-	{
-		mV = other.mV;
-		return mV;
-	}
-
-	F16 operator+(const F16& other) const
-	{
-		F16 retVal;
-		retVal.mV = mV + other.mV;
-		return retVal;
-	}
-
-	F16& operator+=(const F16& other)
-	{
-		mV += other.mV;
-		return *this;
-	}
-
-	F16 operator-(const F16& other) const
-	{
-		F16 retVal;
-		retVal.mV = mV - other.mV;
-		return retVal;
-	}
-
-	F16& operator-=(const F16& other)
-	{
-		mV -= other.mV;
-		return *this;
-	}
-
-	F16 operator*(const F16& other) const
-	{
-		F16 retVal;
-		int64_t p = (int64_t)mV * (int64_t)other.mV;
-		retVal.mV = p>>16;
-		return retVal;
-	}
-
-	F16& operator*=(const F16& other)
-	{
-		int64_t p = (int64_t)mV * (int64_t)other.mV;
-		mV = p>>16;
-		return *this;
-	}
-
-	F16 operator*(float f) const
-	{
-		F16 retVal;
-		retVal.mV = mV * f;
-		return retVal;
-	}
-
-	F16& operator*=(float f)
-	{
-		mV *= f;
-		return *this;
-	}
-
-	F16 operator/(const F16& other) const
-	{
-		F16 retVal;
-		int64_t pV = (int64_t)mV << 16;
-		retVal.mV = pV / other.mV;
-		return retVal;
-	}
-
-	F16& operator/=(const F16& other)
-	{
-		int64_t pV = (int64_t)mV << 16;
-		mV = pV / other.mV;
-		return *this;
-	}
-
-	F16 operator/(float f) const
-	{
-		F16 retVal;
-		retVal.mV = mV / f;
-		return retVal;
-	}
-
-	F16& operator/=(float f)
-	{
-		mV /= f;
-		return *this;
-	}
-
-	bool operator>(const F16& other) const
-	{
-		return mV>other.mV;
-	}
-
-	bool operator<(const F16& other) const
-	{
-		return mV<other.mV;
-	}
-
-	bool operator==(const F16& other) const
-	{
-		return mV==other.mV;
-	}
-
-	bool operator>(float f) const
-	{
-		return (mV/65536.0F) > f;
-	}
-
-	bool operator<(float f) const
-	{
-		return (mV/65536.0F) < f;
-	}
-
-	bool operator==(float f) const
-	{
-		return (mV/65536.0F) == f;
-	}
-
-};
-
-
-
-inline std::ostream& operator<<(std::ostream& os, const F16& v)
-{
-	os << v.f();
-	return os;
-}
-
-#endif
-

CommonLibs/F16Test.cpp

@@ -1,55 +0,0 @@
-/*
-* Copyright 2009 Free Software Foundation, Inc.
-*
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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 "F16.h"
-
-
-#include <iostream>
-
-using namespace std;
-
-int main(int argc, char **argv)
-{
-
-	F16 a = 2.5;
-	F16 b = 1.5;
-	F16 c = 2.5 * 1.5;
-	F16 d = c + a;
-	F16 e = 10;
-	cout << a << ' ' << b << ' ' << c << ' ' << d << ' ' << e << endl;
-
-	a *= 3;
-	b *= 0.3;
-	c *= e;
-	cout << a << ' ' << b << ' ' << c << ' ' << d << endl;
-
-	a /= 3;
-	b /= 0.3;
-	c = d * 0.05;
-	cout << a << ' ' << b << ' ' << c << ' ' << d << endl;
-
-	F16 f = a/d;
-	cout << f << ' ' << f+0.5 << endl;
-}

CommonLibs/Logger.cpp

@@ -1,7 +1,5 @@
 /*
-* Copyright 2009, 2010 Free Software Foundation, Inc.
-* Copyright 2010 Kestrel Signal Processing, Inc.
-* Copyright 2011, 2012 Range Networks, Inc.
+* Copyright (C) 2018 sysmocom - s.f.m.c. GmbH
 *
 *
 * This software is distributed under the terms of the GNU Affero Public License.
@@ -30,276 +28,34 @@
 #include <fstream>
 #include <string>
 #include <stdarg.h>
+#include <sys/time.h>	// For gettimeofday
 
-#include "Configuration.h"
 #include "Logger.h"
 #include "Threads.h"	// pat added
 
-
 using namespace std;
 
-// Switches to enable/disable logging targets
-// MUST BE DEFINED BEFORE gConfig FOR gLogEarly() TO WORK CORRECTLY
-bool gLogToConsole = true;
-bool gLogToSyslog = false;
-FILE *gLogToFile = NULL;
 Mutex gLogToLock;
 
-
-// Reference to a global config table, used all over the system.
-extern ConfigurationTable gConfig;
-
-
-/**@ The global alarms table. */
-//@{
-Mutex           alarmsLock;
-list<string>    alarmsList;
-void            addAlarm(const string&);
-//@}
-
-
-
-// (pat) If Log messages are printed before the classes in this module are inited
-// (which happens when static classes have constructors that do work)
-// the OpenBTS just crashes.
-// Prevent that by setting sLoggerInited to true when this module is inited.
-static bool sLoggerInited = 0;
-static struct CheckLoggerInitStatus {
-	CheckLoggerInitStatus() { sLoggerInited = 1; }
-} sCheckloggerInitStatus;
-
-
-
-/** Names of the logging levels. */
-const char *levelNames[] = {
-	"EMERG", "ALERT", "CRIT", "ERR", "WARNING", "NOTICE", "INFO", "DEBUG"
-};
-int numLevels = 8;
-
-
-int levelStringToInt(const string& name)
+std::ostream& operator<<(std::ostream& os, std::ostringstream& ss)
 {
-	// Reverse search, since the numerically larger levels are more common.
-	for (int i=numLevels-1; i>=0; i--) {
-		if (name == levelNames[i]) return i;
-	}
-
-	// Common substitutions.
-	if (name=="INFORMATION") return 6;
-	if (name=="WARN") return 4;
-	if (name=="ERROR") return 3;
-	if (name=="CRITICAL") return 2;
-	if (name=="EMERGENCY") return 0;
-
-	// Unknown level.
-	return -1;
+	return os << ss.str();
 }
 
-/** Given a string, return the corresponding level name. */
-int lookupLevel(const string& key)
-{
-	string val = gConfig.getStr(key);
-	int level = levelStringToInt(val);
-
-	if (level == -1) {
-		string defaultLevel = gConfig.mSchema["Log.Level"].getDefaultValue();
-		level = levelStringToInt(defaultLevel);
-		_LOG(CRIT) << "undefined logging level (" << key << " = \"" << val << "\") defaulting to \"" << defaultLevel << ".\" Valid levels are: EMERG, ALERT, CRIT, ERR, WARNING, NOTICE, INFO or DEBUG";
-		gConfig.set(key, defaultLevel);
-	}
-
-	return level;
-}
-
-
-int getLoggingLevel(const char* filename)
-{
-	// Default level?
-	if (!filename) return lookupLevel("Log.Level");
-
-	// This can afford to be inefficient since it is not called that often.
-	const string keyName = string("Log.Level.") + string(filename);
-	if (gConfig.defines(keyName)) return lookupLevel(keyName);
-	return lookupLevel("Log.Level");
-}
-
-
-
-int gGetLoggingLevel(const char* filename)
-{
-	// This is called a lot and needs to be efficient.
-
-	static Mutex sLogCacheLock;
-	static map<uint64_t,int>  sLogCache;
-	static unsigned sCacheCount;
-	static const unsigned sCacheRefreshCount = 1000;
-
-	if (filename==NULL) return gGetLoggingLevel("");
-
-	HashString hs(filename);
-	uint64_t key = hs.hash();
-
-	sLogCacheLock.lock();
-	// Time for a cache flush?
-	if (sCacheCount>sCacheRefreshCount) {
-		sLogCache.clear();
-		sCacheCount=0;
-	}
-	// Is it cached already?
-	map<uint64_t,int>::const_iterator where = sLogCache.find(key);
-	sCacheCount++;
-	if (where!=sLogCache.end()) {
-		int retVal = where->second;
-		sLogCacheLock.unlock();
-		return retVal;
-	}
-	// Look it up in the config table and cache it.
-	// FIXME: Figure out why unlock and lock below fix the config table deadlock.
-	// (pat) Probably because getLoggingLevel may call LOG recursively via lookupLevel().
-	sLogCacheLock.unlock();
-	int level = getLoggingLevel(filename);
-	sLogCacheLock.lock();
-	sLogCache.insert(pair<uint64_t,int>(key,level));
-	sLogCacheLock.unlock();
-	return level;
-}
-
-
-
-
-
-// copies the alarm list and returns it. list supposed to be small.
-list<string> gGetLoggerAlarms()
-{
-    alarmsLock.lock();
-    list<string> ret;
-    // excuse the "complexity", but to use std::copy with a list you need
-    // an insert_iterator - copy technically overwrites, doesn't insert.
-    insert_iterator< list<string> > ii(ret, ret.begin());
-    copy(alarmsList.begin(), alarmsList.end(), ii);
-    alarmsLock.unlock();
-    return ret;
-}
-
-/** Add an alarm to the alarm list. */
-void addAlarm(const string& s)
-{
-    alarmsLock.lock();
-    alarmsList.push_back(s);
-	unsigned maxAlarms = gConfig.getNum("Log.Alarms.Max");
-    while (alarmsList.size() > maxAlarms) alarmsList.pop_front();
-    alarmsLock.unlock();
-}
-
-
 Log::~Log()
 {
-	if (mDummyInit) return;
-	// Anything at or above LOG_CRIT is an "alarm".
-	// Save alarms in the local list and echo them to stderr.
-	if (mPriority <= LOG_ERR) {
-		if (sLoggerInited) addAlarm(mStream.str().c_str());
-		cerr << mStream.str() << endl;
-	}
-	// Current logging level was already checked by the macro. So just log.
-	// Log to syslog
-	if (gLogToSyslog) {
-		syslog(mPriority, "%s", mStream.str().c_str());
-	}
-	// Log to file and console
-	if (gLogToConsole||gLogToFile) {
-		int mlen = mStream.str().size();
-		int neednl = (mlen==0 || mStream.str()[mlen-1] != '\n');
-		ScopedLock lock(gLogToLock);
-		if (gLogToConsole) {
-			// The COUT() macro prevents messages from stomping each other but adds uninteresting thread numbers,
-			// so just use std::cout.
-			std::cout << mStream.str();
-			if (neednl) std::cout<<"\n";
-		}
-		if (gLogToFile) {
-			fputs(mStream.str().c_str(),gLogToFile);
-			if (neednl) {fputc('\n',gLogToFile);}
-			fflush(gLogToFile);
-		}
-	}
+	int mlen = mStream.str().size();
+	int neednl = (mlen==0 || mStream.str()[mlen-1] != '\n');
+	const char *fmt = neednl ? "%s\n" : "%s";
+	ScopedLock lock(gLogToLock);
+	// The COUT() macro prevents messages from stomping each other but adds uninteresting thread numbers,
+	// so just use std::cout.
+	LOGPSRC(mCategory, mPriority, filename, line, fmt, mStream.str().c_str());
 }
 
-
-Log::Log(const char* name, const char* level, int facility)
-{
-	mDummyInit = true;
-	gLogInit(name, level, facility);
-}
-
-
 ostringstream& Log::get()
 {
-	assert(mPriority<numLevels);
-	mStream << levelNames[mPriority] <<  ' ';
 	return mStream;
 }
 
-
-
-void gLogInit(const char* name, const char* level, int facility)
-{
-	// Set the level if one has been specified.
-	if (level) {
-		gConfig.set("Log.Level",level);
-	}
-
-	// Both the transceiver and OpenBTS use this same facility, but only OpenBTS/OpenNodeB may use this log file:
-	string str = gConfig.getStr("Log.File");
-	if (gLogToFile==NULL && str.length() && 0==strncmp(gCmdName,"Open",4)) {
-		const char *fn = str.c_str();
-		if (fn && *fn && strlen(fn)>3) {	// strlen because a garbage char is getting in sometimes.
-			gLogToFile = fopen(fn,"w"); // New log file each time we start.
-			if (gLogToFile) {
-				time_t now;
-				time(&now);
-				fprintf(gLogToFile,"Starting at %s",ctime(&now));
-				fflush(gLogToFile);
-				std::cout << "Logging to file: " << fn << "\n";
-			}
-		}
-	}
-
-	// Open the log connection.
-	openlog(name,0,facility);
-}
-
-
-void gLogEarly(int level, const char *fmt, ...)
-{
-	va_list args;
-
-	va_start(args, fmt);
-
-	if (gLogToSyslog) {
-		va_list args_copy;
-		va_copy(args_copy, args);
-		vsyslog(level | LOG_USER, fmt, args_copy);
-		va_end(args_copy);
-	}
-
-	if (gLogToConsole) {
-		va_list args_copy;
-		va_copy(args_copy, args);
-		vprintf(fmt, args_copy);
-		printf("\n");
-		va_end(args_copy);
-	}
-
-	if (gLogToFile) {
-		va_list args_copy;
-		va_copy(args_copy, args);
-		vfprintf(gLogToFile, fmt, args_copy);
-		fprintf(gLogToFile, "\n");
-		va_end(args_copy);
-	}
-
-	va_end(args);
-}
-
 // vim: ts=4 sw=4

CommonLibs/Logger.h

@@ -23,72 +23,41 @@
 
 */
 
-// (pat) WARNING is stupidly defined in /usr/local/include/osipparser2/osip_const.h.
-// This must be outside the #ifndef LOGGER_H to fix it as long as Logger.h included after the above file.
-#ifdef WARNING
-#undef WARNING
-#endif
-
 #ifndef LOGGER_H
 #define LOGGER_H
 
-#include <syslog.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <sstream>
-#include <list>
-#include <map>
 #include <string>
 
-#define _LOG(level) \
-	Log(LOG_##level).get() << pthread_self() \
-	<< timestr() << " " __FILE__  ":"  << __LINE__ << ":" << __FUNCTION__ << ": "
+extern "C" {
+#include <osmocom/core/logging.h>
+#include "debug.h"
+}
 
-#define IS_LOG_LEVEL(wLevel) (gGetLoggingLevel(__FILE__)>=LOG_##wLevel)
-
-#ifdef NDEBUG
-#define LOG(wLevel) \
-	if (LOG_##wLevel!=LOG_DEBUG && IS_LOG_LEVEL(wLevel)) _LOG(wLevel)
-#else
-#define LOG(wLevel) \
-	if (IS_LOG_LEVEL(wLevel)) _LOG(wLevel)
+/* Translation for old log statements */
+#ifndef LOGL_ALERT
+#define LOGL_ALERT LOGL_FATAL
+#endif
+#ifndef LOGL_ERR
+#define LOGL_ERR LOGL_ERROR
+#endif
+#ifndef LOGL_WARNING
+#define LOGL_WARNING LOGL_NOTICE
 #endif
 
-// pat: And for your edification here are the 'levels' as defined in syslog.h:
-// LOG_EMERG   0  system is unusable
-// LOG_ALERT   1  action must be taken immediately
-// LOG_CRIT    2  critical conditions
-// LOG_ERR     3  error conditions
-// LOG_WARNING 4  warning conditions
-// LOG_NOTICE  5  normal, but significant, condition
-// LOG_INFO    6  informational message
-// LOG_DEBUG   7  debug-level message
+#define LOG(level) \
+	Log(DMAIN, LOGL_##level, __BASE_FILE__, __LINE__).get() <<  "[tid=" << pthread_self() << "] "
 
-// (pat) added - print out a var and its name.
-// Use like this: int descriptive_name; LOG(INFO)<<LOGVAR(descriptive_name);
-#define LOGVAR2(name,val) " " << name << "=" << (val)
-#define LOGVAR(var) (" " #var "=") << var
-#define LOGHEX(var) (" " #var "=0x") << hex << ((unsigned)var) << dec
-#define LOGHEX2(name,val) " " << name << "=0x" << hex << ((unsigned)(val)) << dec
-// These are kind of cheesy, but you can use for bitvector
-#define LOGBV2(name,val) " " << name << "=(" << val<<" size:"<<val.size()<<")"
-#define LOGBV(bv) LOGBV2(#bv,bv)
-#define LOGVARRANGE(name,cur,lo,hi) " "<<name <<"=("<<(cur) << " range:"<<(lo) << " to "<<(hi) <<")"
+#define LOGC(category, level) \
+	Log(category, LOGL_##level, __BASE_FILE__, __LINE__).get() <<  "[tid=" << pthread_self() << "] "
 
-
-#define OBJLOG(wLevel) \
-	LOG(wLevel) << "obj: " << this << ' '
-
-#define LOG_ASSERT(x) { if (!(x)) LOG(EMERG) << "assertion " #x " failed"; } assert(x);
-
-
-#include "Threads.h"		// must be after defines above, if these files are to be allowed to use LOG()
-#include "Utils.h"
+#define LOGLV(category, level) \
+	Log(category, level, __BASE_FILE__, __LINE__).get() <<  "[tid=" << pthread_self() << "] "
 
 /**
 	A C++ stream-based thread-safe logger.
-	Derived from Dr. Dobb's Sept. 2007 issue.
-	Updated to use syslog.
 	This object is NOT the global logger;
 	every log record is an object of this class.
 */
@@ -98,42 +67,27 @@ class Log {
 
 	protected:
 
-	std::ostringstream mStream;		///< This is where we buffer up the log entry.
-	int mPriority;					///< Priority of current report.
-	bool mDummyInit;
+	std::ostringstream mStream;	///< This is where we buffer up the log entry.
+	int mCategory;			///< Priority of current report.
+	int mPriority;			///< Category of current report.
+	const char *filename;		///< Source File Name of current report.
+	int line;			///< Line number in source file of current report.
 
 	public:
 
-	Log(int wPriority)
-		:mPriority(wPriority), mDummyInit(false)
+	Log(int wCategory, int wPriority, const char* filename, int line)
+		: mCategory(wCategory), mPriority(wPriority),
+		  filename(filename), line(line)
 	{ }
 
-	Log(const char* name, const char* level=NULL, int facility=LOG_USER);
-
 	// Most of the work is in the destructor.
 	/** The destructor actually generates the log entry. */
 	~Log();
 
 	std::ostringstream& get();
 };
-extern bool gLogToConsole;	// Output log messages to stdout
-extern bool gLogToSyslog;	// Output log messages to syslog
-
-
-
-std::list<std::string> gGetLoggerAlarms();		///< Get a copy of the recent alarm list.
-
-
-/**@ Global control and initialization of the logging system. */
-//@{
-/** Initialize the global logging system. */
-void gLogInit(const char* name, const char* level=NULL, int facility=LOG_USER);
-/** Get the logging level associated with a given file. */
-int gGetLoggingLevel(const char *filename=NULL);
-/** Allow early logging when still in constructors */
-void gLogEarly(int level, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
-//@}
 
+std::ostream& operator<<(std::ostream& os, std::ostringstream& ss);
 
 #endif
 

CommonLibs/Makefile.am

@@ -22,11 +22,8 @@
 include $(top_srcdir)/Makefile.common
 
 AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES)
-AM_CXXFLAGS = -Wall -O3 -g -ldl -lpthread
-
-EXTRA_DIST = \
-	example.config \
-	README.common
+AM_CXXFLAGS = -Wall -O3 -g -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
+AM_CFLAGS = $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
 
 noinst_LTLIBRARIES = libcommon.la
 
@@ -36,78 +33,20 @@ libcommon_la_SOURCES = \
 	Sockets.cpp \
 	Threads.cpp \
 	Timeval.cpp \
-	Reporting.cpp \
 	Logger.cpp \
-	Configuration.cpp \
-	sqlite3util.cpp \
-	URLEncode.cpp \
-	Utils.cpp
-
-noinst_PROGRAMS = \
-	BitVectorTest \
-	InterthreadTest \
-	SocketsTest \
-	TimevalTest \
-	RegexpTest \
-	VectorTest \
-	ConfigurationTest \
-	LogTest \
-	URLEncodeTest \
-	F16Test
-
-#	ReportingTest 
+	trx_vty.c \
+	debug.c
 
 noinst_HEADERS = \
 	BitVector.h \
+	PRBS.h \
 	Interthread.h \
 	LinkedLists.h \
 	Sockets.h \
 	Threads.h \
 	Timeval.h \
-	Regexp.h \
 	Vector.h \
-	Configuration.h \
-	Reporting.h \
-	F16.h \
-	URLEncode.h \
-	Utils.h \
 	Logger.h \
-	sqlite3util.h
-
-URLEncodeTest_SOURCES = URLEncodeTest.cpp
-URLEncodeTest_LDADD = libcommon.la
-
-BitVectorTest_SOURCES = BitVectorTest.cpp
-BitVectorTest_LDADD = libcommon.la $(SQLITE_LA)
-
-InterthreadTest_SOURCES = InterthreadTest.cpp
-InterthreadTest_LDADD = libcommon.la
-InterthreadTest_LDFLAGS = -lpthread
-
-SocketsTest_SOURCES = SocketsTest.cpp
-SocketsTest_LDADD = libcommon.la
-SocketsTest_LDFLAGS = -lpthread
-
-TimevalTest_SOURCES = TimevalTest.cpp
-TimevalTest_LDADD = libcommon.la
-
-VectorTest_SOURCES = VectorTest.cpp
-VectorTest_LDADD = libcommon.la $(SQLITE_LA)
-
-RegexpTest_SOURCES = RegexpTest.cpp
-RegexpTest_LDADD = libcommon.la
-
-ConfigurationTest_SOURCES = ConfigurationTest.cpp
-ConfigurationTest_LDADD = libcommon.la 	$(SQLITE_LA)
-
-# ReportingTest_SOURCES = ReportingTest.cpp
-# ReportingTest_LDADD = libcommon.la $(SQLITE_LA)
-
-LogTest_SOURCES = LogTest.cpp
-LogTest_LDADD = libcommon.la $(SQLITE_LA)
-
-F16Test_SOURCES = F16Test.cpp
-
-MOSTLYCLEANFILES += testSource testDestination
-
-
+	trx_vty.h \
+	debug.h \
+	config_defs.h

CommonLibs/MemoryLeak.h

@@ -1,111 +0,0 @@
-/*
-* Copyright 2011 Range Networks, Inc.
-* All Rights Reserved.
-*
-* This software is distributed under multiple licenses;
-* see the COPYING file in the main directory for licensing
-* information for this specific distribuion.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-    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.
-*/
-#ifndef _MEMORYLEAK_
-#define _MEMORYLEAK_ 1
-#include <map>
-#include "ScalarTypes.h"
-#include "Logger.h"
-
-namespace Utils {
-
-struct MemStats {
-	// Enumerates the classes that are checked.
-	// Redundancies are ok, for example, we check BitVector and also
-	// several descendants of BitVector.
-	enum MemoryNames {
-		mZeroIsUnused,
-		mVector,
-		mVectorData,
-		mBitVector,
-		mByteVector,
-		mByteVectorData,
-		mRLCRawBlock,
-		mRLCUplinkDataBlock,
-		mRLCMessage,
-		mRLCMsgPacketDownlinkDummyControlBlock,	// Redundant with RLCMessage
-		mTBF,
-		mLlcEngine,
-		mSgsnDownlinkMsg,
-		mRachInfo,
-		mPdpPdu,
-		mFECDispatchInfo,
-		mL3Frame,
-		msignalVector,
-		mSoftVector,
-		mScramblingCode,
-		mURlcDownSdu,
-		mURlcPdu,
-		// Must be last:
-		mMax,
-	};
-	int mMemTotal[mMax];	// In elements, not bytes.
-	int mMemNow[mMax];
-	const char *mMemName[mMax];
-	MemStats();
-	void memChkNew(MemoryNames memIndex, const char *id);
-	void memChkDel(MemoryNames memIndex, const char *id);
-	void text(std::ostream &os);
-	// We would prefer to use an unordered_map, but that requires special compile switches.
-	// What a super great language.
-	typedef std::map<std::string,Int_z> MemMapType;
-	MemMapType mMemMap;
-};
-extern struct MemStats gMemStats;
-extern int gMemLeakDebug;
-
-// This is a memory leak detector.
-// Use by putting RN_MEMCHKNEW and RN_MEMCHKDEL in class constructors/destructors,
-// or use the DEFINE_MEMORY_LEAK_DETECTOR class and add the defined class
-// as an ancestor to the class to be memory leak checked.
-
-struct MemLabel {
-	std::string mccKey;
-	virtual ~MemLabel() {
-		Int_z &tmp = Utils::gMemStats.mMemMap[mccKey]; tmp = tmp - 1;
-	}
-};
-
-#if RN_DISABLE_MEMORY_LEAK_TEST
-#define RN_MEMCHKNEW(type)
-#define RN_MEMCHKDEL(type)
-#define RN_MEMLOG(type,ptr)
-#define DEFINE_MEMORY_LEAK_DETECTOR_CLASS(subClass,checkerClass) \
-	struct checkerClass {};
-#else
-
-#define RN_MEMCHKNEW(type) { Utils::gMemStats.memChkNew(Utils::MemStats::m##type,#type); }
-#define RN_MEMCHKDEL(type) { Utils::gMemStats.memChkDel(Utils::MemStats::m##type,#type); }
-
-#define RN_MEMLOG(type,ptr) { \
-	static std::string key = format("%s_%s:%d",#type,__FILE__,__LINE__); \
-	(ptr)->/* MemCheck##type:: */ mccKey = key; \
-	Utils::gMemStats.mMemMap[key]++; \
-	}
-
-// TODO: The above assumes that checkclass is MemCheck ## subClass
-#define DEFINE_MEMORY_LEAK_DETECTOR_CLASS(subClass,checkerClass) \
-	struct checkerClass : public virtual Utils::MemLabel { \
-	    checkerClass() { RN_MEMCHKNEW(subClass); } \
-		virtual ~checkerClass() { \
-			RN_MEMCHKDEL(subClass); \
-		} \
-	};
-
-#endif
-
-}	// namespace Utils
-
-#endif

CommonLibs/PRBS.h

@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2017 Alexander Chemeris <Alexander.Chemeris@fairwaves.co>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef PRBS_H
+#define PRBS_H
+
+#include <stdint.h>
+#include <assert.h>
+
+/** Pseudo-random binary sequence (PRBS) generator (a Galois LFSR implementation). */
+class PRBS {
+public:
+
+  PRBS(unsigned wLen, uint64_t wCoeff, uint64_t wState = 0x01)
+    : mCoeff(wCoeff), mStartState(wState), mState(wState), mLen(wLen)
+  { assert(wLen<=64); }
+
+  /**@name Accessors */
+  //@{
+  uint64_t coeff() const { return mCoeff; }
+  uint64_t state() const { return mState; }
+  void state(uint64_t state) { mState = state & mask(); }
+  unsigned size() const { return mLen; }
+  //@}
+
+  /**
+    Calculate one bit of a PRBS
+  */
+  unsigned generateBit()
+  {
+    const unsigned result = mState & 0x01;
+    processBit(result);
+    return result;
+  }
+
+  /**
+    Update the generator state by one bit.
+    If you want to synchronize your PRBS to a known state, call this function
+    size() times passing your PRBS to it bit by bit.
+  */
+  void processBit(unsigned inBit)
+  {
+    mState >>= 1;
+    if (inBit) mState ^= mCoeff;
+  }
+
+  /** Return true when PRBS is wrapping through initial state */
+  bool isFinished() const { return mStartState == mState; }
+
+protected:
+
+  uint64_t mCoeff;      ///< polynomial coefficients. LSB is zero exponent.
+  uint64_t mStartState; ///< initial shift register state.
+  uint64_t mState;      ///< shift register state.
+  unsigned mLen;        ///< number of bits used in shift register
+
+  /** Return mask for the state register */
+  uint64_t mask() const { return (mLen==64)?0xFFFFFFFFFFFFFFFFUL:((1<<mLen)-1); }
+
+};
+
+/**
+  A standard 9-bit based pseudorandom binary sequence (PRBS) generator.
+  Polynomial: x^9 + x^5 + 1
+*/
+class PRBS9 : public PRBS {
+  public:
+  PRBS9(uint64_t wState = 0x01)
+  : PRBS(9, 0x0110, wState)
+  {}
+};
+
+/**
+  A standard 15-bit based pseudorandom binary sequence (PRBS) generator.
+  Polynomial: x^15 + x^14 + 1
+*/
+class PRBS15 : public PRBS {
+public:
+  PRBS15(uint64_t wState = 0x01)
+  : PRBS(15, 0x6000, wState)
+  {}
+};
+
+/**
+  A standard 64-bit based pseudorandom binary sequence (PRBS) generator.
+  Polynomial: x^64 + x^63 + x^61 + x^60 + 1
+*/
+class PRBS64 : public PRBS {
+public:
+  PRBS64(uint64_t wState = 0x01)
+  : PRBS(64, 0xD800000000000000ULL, wState)
+  {}
+};
+
+#endif // PRBS_H

CommonLibs/Regexp.h

@@ -1,64 +0,0 @@
-/*
-* Copyright 2008 Free Software Foundation, Inc.
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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/>.
-
-*/
-
-
-#ifndef REGEXPW_H
-#define REGEXPW_H
-
-#include <regex.h>
-#include <iostream>
-#include <stdlib.h>
-
-
-
-class Regexp {
-
-	private:
-
-	regex_t mRegex;
-
-
-	public:
-
-	Regexp(const char* regexp, int flags=REG_EXTENDED)
-	{
-		int result = regcomp(&mRegex, regexp, flags);
-		if (result) {
-			char msg[256];
-			regerror(result,&mRegex,msg,255);
-			std::cerr << "Regexp compilation of " << regexp << " failed: " << msg << std::endl;
-			abort();
-		}
-	}
-
-	~Regexp()
-		{ regfree(&mRegex); }
-
-	bool match(const char *text, int flags=0) const
-		{ return regexec(&mRegex, text, 0, NULL, flags)==0; }
-
-};
-
-
-#endif

CommonLibs/Reporting.cpp

@@ -1,145 +0,0 @@
-/**@file Module for performance-reporting mechanisms. */
-/*
-* Copyright 2012 Range Networks, Inc.
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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 "Reporting.h"
-#include "Logger.h"
-#include <stdio.h>
-#include <string.h>
-
-static const char* createReportingTable = {
-	"CREATE TABLE IF NOT EXISTS REPORTING ("
-		"NAME TEXT UNIQUE NOT NULL, "
-		"VALUE INTEGER DEFAULT 0, "
-		"CLEAREDTIME INTEGER NOT NULL, "
-		"UPDATETIME INTEGER DEFAULT 0 "
-	")"
-};
-
-
-ReportingTable::ReportingTable(const char* filename)
-{
-	gLogEarly(LOG_INFO | mFacility, "opening reporting table from path %s", filename);
-	// Connect to the database.
-	int rc = sqlite3_open(filename,&mDB);
-	if (rc) {
-		gLogEarly(LOG_EMERG | mFacility, "cannot open reporting database at %s, error message: %s", filename, sqlite3_errmsg(mDB));
-		sqlite3_close(mDB);
-		mDB = NULL;
-		return;
-	}
-	// Create the table, if needed.
-	if (!sqlite3_command(mDB,createReportingTable)) {
-		gLogEarly(LOG_EMERG | mFacility, "cannot create reporting table in database at %s, error message: %s", filename, sqlite3_errmsg(mDB));
-	}
-}
-
-
-bool ReportingTable::create(const char* paramName)
-{
-	char cmd[200];
-	sprintf(cmd,"INSERT OR IGNORE INTO REPORTING (NAME,CLEAREDTIME) VALUES (\"%s\",%ld)", paramName, time(NULL));
-	if (!sqlite3_command(mDB,cmd)) {
-		gLogEarly(LOG_CRIT|mFacility, "cannot create reporting parameter %s, error message: %s", paramName, sqlite3_errmsg(mDB));
-		return false;
-	}
-	return true;
-}
-
-
-
-bool ReportingTable::incr(const char* paramName)
-{
-	char cmd[200];
-	sprintf(cmd,"UPDATE REPORTING SET VALUE=VALUE+1, UPDATETIME=%ld WHERE NAME=\"%s\"", time(NULL), paramName);
-	if (!sqlite3_command(mDB,cmd)) {
-		gLogEarly(LOG_CRIT|mFacility, "cannot increment reporting parameter %s, error message: %s", paramName, sqlite3_errmsg(mDB));
-		return false;
-	}
-	return true;
-}
-
-
-
-bool ReportingTable::max(const char* paramName, unsigned newVal)
-{
-	char cmd[200];
-	sprintf(cmd,"UPDATE REPORTING SET VALUE=MAX(VALUE,%u), UPDATETIME=%ld WHERE NAME=\"%s\"", newVal, time(NULL), paramName);
-	if (!sqlite3_command(mDB,cmd)) {
-		gLogEarly(LOG_CRIT|mFacility, "cannot maximize reporting parameter %s, error message: %s", paramName, sqlite3_errmsg(mDB));
-		return false;
-	}
-	return true;
-}
-
-
-bool ReportingTable::clear(const char* paramName)
-{
-	char cmd[200];
-	sprintf(cmd,"UPDATE REPORTING SET VALUE=0, UPDATETIME=0, CLEAREDTIME=%ld WHERE NAME=\"%s\"", time(NULL), paramName);
-	if (!sqlite3_command(mDB,cmd)) {
-		gLogEarly(LOG_CRIT|mFacility, "cannot clear reporting parameter %s, error message: %s", paramName, sqlite3_errmsg(mDB));
-		return false;
-	}
-	return true;
-}
-
-
-bool ReportingTable::create(const char* baseName, unsigned minIndex, unsigned maxIndex)
-{
-	size_t sz = strlen(baseName);
-	for (unsigned i = minIndex; i<=maxIndex; i++) {
-		char name[sz+10];
-		sprintf(name,"%s.%u",baseName,i);
-		if (!create(name)) return false;
-	}
-	return true;
-}
-
-bool ReportingTable::incr(const char* baseName, unsigned index)
-{
-	char name[strlen(baseName)+10];
-	sprintf(name,"%s.%u",baseName,index);
-	return incr(name);
-}
-
-
-bool ReportingTable::max(const char* baseName, unsigned index, unsigned newVal)
-{
-	char name[strlen(baseName)+10];
-	sprintf(name,"%s.%u",baseName,index);
-	return max(name,newVal);
-}
-
-
-bool ReportingTable::clear(const char* baseName, unsigned index)
-{
-	char name[strlen(baseName)+10];
-	sprintf(name,"%s.%u",baseName,index);
-	return clear(name);
-}
-
-
-
-

CommonLibs/Reporting.h

@@ -1,86 +0,0 @@
-/**@file Module for performance-reporting mechanisms. */
-/*
-* Copyright 2012 Range Networks, Inc.
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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/>.
-
-*/
-
-#ifndef REPORTING_H
-#define REPORTING_H
-
-#include <sqlite3util.h>
-#include <ostream>
-
-
-/**
-	Collect performance statistics into a database.
-	Parameters are counters or max/min trackers, all integer.
-*/
-class ReportingTable {
-
-	private:
-
-	sqlite3* mDB;				///< database connection
-	int mFacility;				///< rsyslogd facility
-
-
-
-	public:
-
-	/**
-		Open the database connection;
-		create the table if it does not exist yet.
-	*/
-	ReportingTable(const char* filename);
-
-	/** Create a new parameter. */
-	bool create(const char* paramName);
-
-	/** Create an indexed parameter set. */
-	bool create(const char* baseBame, unsigned minIndex, unsigned maxIndex);
-
-	/** Increment a counter. */
-	bool incr(const char* paramName);
-
-	/** Increment an indexed counter. */
-	bool incr(const char* baseName, unsigned index);
-
-	/** Take a max of a parameter. */
-	bool max(const char* paramName, unsigned newVal);
-
-	/** Take a max of an indexed parameter. */
-	bool max(const char* paramName, unsigned index, unsigned newVal);
-
-	/** Clear a value.  */
-	bool clear(const char* paramName);
-
-	/** Clear an indexed value.  */
-	bool clear(const char* paramName, unsigned index);
-
-	/** Dump the database to a stream. */
-	void dump(std::ostream&) const;
-
-};
-
-#endif
-
-
-// vim: ts=4 sw=4

CommonLibs/ScalarTypes.h

@@ -1,136 +0,0 @@
-/*
-* Copyright 2011 Range Networks, Inc.
-* All Rights Reserved.
-*
-* This software is distributed under multiple licenses;
-* see the COPYING file in the main directory for licensing
-* information for this specific distribuion.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-    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.
-*/
-
-#ifndef SCALARTYPES_H
-#define SCALARTYPES_H
-#include <iostream>	// For size_t
-#include <stdint.h>
-//#include "GSMCommon.h"	// Was included for Z100Timer
-
-// We dont bother to define *= /= etc.; you'll have to convert: a*=b; to: a=a*b;
-#define _INITIALIZED_SCALAR_BASE_FUNCS(Classname,Basetype,Init) \
-	Classname() : value(Init) {} \
-	Classname(Basetype wvalue) { value = wvalue; } /* Can set from basetype. */ \
-	operator Basetype(void) const { return value; }		/* Converts from basetype. */ \
-	Basetype operator=(Basetype wvalue) { return value = wvalue; } \
-	Basetype* operator&() { return &value; }
-
-#define _INITIALIZED_SCALAR_ARITH_FUNCS(Basetype) \
-	Basetype operator++() { return ++value; } \
-	Basetype operator++(int) { return value++; } \
-	Basetype operator--() { return --value; } \
-	Basetype operator--(int) { return value--; } \
-	Basetype operator+=(Basetype wvalue) { return value = value + wvalue; } \
-	Basetype operator-=(Basetype wvalue) { return value = value - wvalue; }
-
-#define _INITIALIZED_SCALAR_FUNCS(Classname,Basetype,Init) \
-	_INITIALIZED_SCALAR_BASE_FUNCS(Classname,Basetype,Init) \
-	_INITIALIZED_SCALAR_ARITH_FUNCS(Basetype)
-
-
-#define _DECLARE_SCALAR_TYPE(Classname_i,Classname_z,Basetype) \
-	template <Basetype Init> \
-	struct Classname_i { \
-		Basetype value; \
-		_INITIALIZED_SCALAR_FUNCS(Classname_i,Basetype,Init) \
-	}; \
-	typedef Classname_i<0> Classname_z;
-
-
-// Usage:
-// Where 'classname' is one of the types listed below, then:
-// 		classname_z specifies a zero initialized type;
-// 		classname_i<value> initializes the type to the specified value.
-// We also define Float_z.
-_DECLARE_SCALAR_TYPE(Int_i, 	Int_z,  	int)
-_DECLARE_SCALAR_TYPE(Char_i,	Char_z, 	signed char)
-_DECLARE_SCALAR_TYPE(Int16_i,	Int16_z,	int16_t)
-_DECLARE_SCALAR_TYPE(Int32_i,	Int32_z,	int32_t)
-_DECLARE_SCALAR_TYPE(UInt_i,  	UInt_z,  	unsigned)
-_DECLARE_SCALAR_TYPE(UChar_i,  	UChar_z,  	unsigned char)
-_DECLARE_SCALAR_TYPE(UInt16_i,	UInt16_z,	uint16_t)
-_DECLARE_SCALAR_TYPE(UInt32_i,	UInt32_z,	uint32_t)
-_DECLARE_SCALAR_TYPE(Size_t_i,	Size_t_z,	size_t)
-
-// Bool is special because it cannot accept some arithmetic funcs
-//_DECLARE_SCALAR_TYPE(Bool_i,  	Bool_z, 	bool)
-template <bool Init>
-struct Bool_i {
-	bool value;
-	_INITIALIZED_SCALAR_BASE_FUNCS(Bool_i,bool,Init)
-};
-typedef Bool_i<0> Bool_z;
-
-// float is special, because C++ does not permit the template initalization:
-struct Float_z {
-	float value;
-	_INITIALIZED_SCALAR_FUNCS(Float_z,float,0)
-};
-struct Double_z {
-	double value;
-	_INITIALIZED_SCALAR_FUNCS(Double_z,double,0)
-};
-
-
-class ItemWithValueAndWidth {
-	public:
-	virtual unsigned getValue() const = 0;
-	virtual unsigned getWidth() const = 0;
-};
-
-// A Range Networks Field with a specified width.
-// See RLCMessages.h for examples.
-template <int Width=32, unsigned Init=0>
-class Field_i : public ItemWithValueAndWidth
-{
-	public:
-	unsigned value;
-	_INITIALIZED_SCALAR_FUNCS(Field_i,unsigned,Init)
-	unsigned getWidth() const { return Width; }
-	unsigned getValue() const { return value; }
-};
-
-// Synonym for Field_i, but no way to do it.
-template <int Width, unsigned Init=0>
-class Field_z : public ItemWithValueAndWidth
-{
-	public:
-	unsigned value;
-	_INITIALIZED_SCALAR_FUNCS(Field_z,unsigned,Init)
-	unsigned getWidth() const { return Width; }
-	unsigned getValue() const { return value; }
-};
-
-// This is an uninitialized field.
-template <int Width=32, unsigned Init=0>
-class Field : public ItemWithValueAndWidth
-{
-	public:
-	unsigned value;
-	_INITIALIZED_SCALAR_FUNCS(Field,unsigned,Init)
-	unsigned getWidth() const { return Width; }
-	unsigned getValue() const { return value; }
-};
-
-
-// A Z100Timer with an initial value specified.
-//template <int Init>
-//class Z100Timer_i : public GSM::Z100Timer {
-//	public:
-//	Z100Timer_i() : GSM::Z100Timer(Init) {}
-//};
-
-#endif

CommonLibs/Sockets.cpp

@@ -223,18 +223,18 @@ int DatagramSocket::read(char* buffer, size_t length, unsigned timeout)
 
 
 
-UDPSocket::UDPSocket(unsigned short wSrcPort)
+UDPSocket::UDPSocket(const char *wSrcIP, unsigned short wSrcPort)
 	:DatagramSocket()
 {
-	open(wSrcPort);
+	open(wSrcPort, wSrcIP);
 }
 
 
-UDPSocket::UDPSocket(unsigned short wSrcPort,
-          	 const char * wDestIP, unsigned short wDestPort )
+UDPSocket::UDPSocket(const char *wSrcIP, unsigned short wSrcPort,
+		     const char *wDestIP, unsigned short wDestPort)
 	:DatagramSocket()
 {
-	open(wSrcPort);
+	open(wSrcPort, wSrcIP);
 	destination(wDestPort, wDestIP);
 }
 
@@ -246,7 +246,7 @@ void UDPSocket::destination( unsigned short wDestPort, const char * wDestIP )
 }
 
 
-void UDPSocket::open(unsigned short localPort)
+void UDPSocket::open(unsigned short localPort, const char *wlocalIP)
 {
 	// create
 	mSocketFD = socket(AF_INET,SOCK_DGRAM,0);
@@ -265,7 +265,7 @@ void UDPSocket::open(unsigned short localPort)
 	size_t length = sizeof(address);
 	bzero(&address,length);
 	address.sin_family = AF_INET;
-	address.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+	address.sin_addr.s_addr = inet_addr(wlocalIP);
 	address.sin_port = htons(localPort);
 	if (bind(mSocketFD,(struct sockaddr*)&address,length)<0) {
 		perror("bind() failed");
@@ -284,50 +284,4 @@ unsigned short UDPSocket::port() const
 	return ntohs(name.sin_port);
 }
 
-
-
-
-
-UDDSocket::UDDSocket(const char* localPath, const char* remotePath)
-	:DatagramSocket()
-{
-	if (localPath!=NULL) open(localPath);
-	if (remotePath!=NULL) destination(remotePath);
-}
-
-
-
-void UDDSocket::open(const char* localPath)
-{
-	// create
-	mSocketFD = socket(AF_UNIX,SOCK_DGRAM,0);
-	if (mSocketFD<0) {
-		perror("socket() failed");
-		throw SocketError();
-	}
-
-	// bind
-	struct sockaddr_un address;
-	size_t length = sizeof(address);
-	bzero(&address,length);
-	address.sun_family = AF_UNIX;
-	strcpy(address.sun_path,localPath);
-	unlink(localPath);
-	if (bind(mSocketFD,(struct sockaddr*)&address,length)<0) {
-		perror("bind() failed");
-		throw SocketError();
-	}
-}
-
-
-
-void UDDSocket::destination(const char* remotePath)
-{
-	struct sockaddr_un* unAddr = (struct sockaddr_un*)mDestination;
-	strcpy(unAddr->sun_path,remotePath);
-}
-
-
-
-
 // vim:ts=4:sw=4

CommonLibs/Sockets.h

@@ -144,11 +144,11 @@ class UDPSocket : public DatagramSocket {
 public:
 
 	/** Open a USP socket with an OS-assigned port and no default destination. */
-	UDPSocket( unsigned short localPort=0);
+	UDPSocket(const char *localIP, unsigned short localPort);
 
 	/** Given a full specification, open the socket and set the dest address. */
-	UDPSocket( 	unsigned short localPort, 
-			const char * remoteIP, unsigned short remotePort);
+	UDPSocket(const char *localIP, unsigned short localPort,
+		  const char *remoteIP, unsigned short remotePort);
 
 	/** Set the destination port. */
 	void destination( unsigned short wDestPort, const char * wDestIP );
@@ -157,7 +157,7 @@ public:
 	unsigned short port() const;
 
 	/** Open and bind the UDP socket to a local port. */
-	void open(unsigned short localPort=0);
+	void open(unsigned short localPort=0, const char *wlocalIP="127.0.0.1");
 
 	/** Give the return address of the most recently received packet. */
 	const struct sockaddr_in* source() const { return (const struct sockaddr_in*)mSource; }
@@ -166,26 +166,6 @@ public:
 
 };
 
-
-/** Unix Domain Datagram Socket */
-class UDDSocket : public DatagramSocket {
-
-public:
-
-	UDDSocket(const char* localPath=NULL, const char* remotePath=NULL);
-
-	void destination(const char* remotePath);
-
-	void open(const char* localPath);
-
-	/** Give the return address of the most recently received packet. */
-	const struct sockaddr_un* source() const { return (const struct sockaddr_un*)mSource; }
-
-	size_t addressSize() const { return sizeof(struct sockaddr_un); }
-
-};
-
-
 #endif
 
 

CommonLibs/URLEncode.cpp

@@ -1,28 +0,0 @@
-/* Copyright 2011, Range Networks, Inc. */
-
-#include <URLEncode.h>
-#include <string>
-#include <string.h>
-#include <ctype.h>
-
-using namespace std;
-
-//based on javascript encodeURIComponent()
-string URLEncode(const string &c)
-{
-	static const char *digits = "01234567890ABCDEF";
-	string retVal="";
-	for (size_t i=0; i<c.length(); i++)
-	{
-		const char ch = c[i];
-		if (isalnum(ch) || strchr("-_.!~'()",ch)) {
-			retVal += ch;
-		} else {
-			retVal += '%';
-			retVal += digits[(ch>>4) & 0x0f];
-			retVal += digits[ch & 0x0f];
-		}
-	}
-	return retVal;
-}
-

CommonLibs/URLEncode.h

@@ -1,30 +0,0 @@
-/*
-* Copyright 2011 Free Software Foundation, Inc.
-*
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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>
-
-std::string URLEncode(const std::string&);

CommonLibs/URLEncodeTest.cpp

@@ -1,17 +0,0 @@
-
-#include "URLEncode.h"
-#include <string>
-#include <iostream>
-
-
-using namespace std;
-
-
-int main(int argc, char *argv[])
-{
-
-	string test = string("Testing: !@#$%^&*() " __DATE__ " " __TIME__);
-	cout << test << endl;
-	cout << URLEncode(test) << endl;
-}
-

CommonLibs/Utils.cpp

@@ -1,211 +0,0 @@
-/*
-* Copyright 2011 Range Networks, Inc.
-* All Rights Reserved.
-*
-* This software is distributed under multiple licenses;
-* see the COPYING file in the main directory for licensing
-* information for this specific distribuion.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-    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.
-*/
-
-#include <unistd.h>		// For usleep
-#include <sys/time.h>	// For gettimeofday
-#include <stdio.h>		// For vsnprintf
-#include <ostream>		// For ostream
-#include <sstream>		// For ostringstream
-#include <string.h>		// For strcpy
-//#include "GSMCommon.h"
-#include "Utils.h"
-#include "MemoryLeak.h"
-
-namespace Utils {
-
-MemStats gMemStats;
-int gMemLeakDebug = 0;
-
-MemStats::MemStats()
-{
-	memset(mMemNow,0,sizeof(mMemNow));
-	memset(mMemTotal,0,sizeof(mMemTotal));
-	memset(mMemName,0,sizeof(mMemName));
-}
-
-void MemStats::text(std::ostream &os)
-{
-	os << "Structs current total:\n";
-	for (int i = 0; i < mMax; i++) {
-		os << "\t" << (mMemName[i] ? mMemName[i] : "unknown") << " " << mMemNow[i] << " " << mMemTotal[i] << "\n";
-	}
-}
-
-void MemStats::memChkNew(MemoryNames memIndex, const char *id)
-{
-	/*std::cout << "new " #type "\n";*/
-	mMemNow[memIndex]++;
-	mMemTotal[memIndex]++;
-	mMemName[memIndex] = id;
-}
-
-void MemStats::memChkDel(MemoryNames memIndex, const char *id)
-{
-	/*std::cout << "del " #type "\n";*/
-	mMemNow[memIndex]--;
-	if (mMemNow[memIndex] < 0) {
-		LOG(ERR) << "Memory underflow on type "<<id;
-		if (gMemLeakDebug) assert(0);
-		mMemNow[memIndex] += 100;	// Prevent another message for a while.
-	}
-}
-
-std::ostream& operator<<(std::ostream& os, std::ostringstream& ss)
-{
-	return os << ss.str();
-}
-
-std::ostream &osprintf(std::ostream &os, const char *fmt, ...)
-{
-	va_list ap;
-	char buf[300];
-	va_start(ap,fmt);
-	int n = vsnprintf(buf,300,fmt,ap);
-	va_end(ap);
-	if (n >= (300-4)) { strcpy(&buf[(300-4)],"..."); }
-	os << buf;
-	return os;
-}
-
-std::string format(const char *fmt, ...)
-{
-	va_list ap;
-	char buf[300];
-	va_start(ap,fmt);
-	int n = vsnprintf(buf,300,fmt,ap);
-	va_end(ap);
-	if (n >= (300-4)) { strcpy(&buf[(300-4)],"..."); }
-	return std::string(buf);
-}
-
-// Return time in seconds with high resolution.
-// Note: In the past I found this to be a surprisingly expensive system call in linux.
-double timef()
-{
-	struct timeval tv;
-	gettimeofday(&tv,NULL);
-	return tv.tv_usec / 1000000.0 + tv.tv_sec;
-}
-
-const std::string timestr()
-{
-	struct timeval tv;
-	struct tm tm;
-	gettimeofday(&tv,NULL);
-	localtime_r(&tv.tv_sec,&tm);
-	unsigned tenths = tv.tv_usec / 100000;	// Rounding down is ok.
-	return format(" %02d:%02d:%02d.%1d",tm.tm_hour,tm.tm_min,tm.tm_sec,tenths);
-}
-
-// High resolution sleep for the specified time.
-// Return FALSE if time is already past.
-void sleepf(double howlong)
-{
-	if (howlong <= 0.00001) return;		// Less than 10 usecs, forget it.
-	usleep((useconds_t) (1000000.0 * howlong));
-}
-
-//bool sleepuntil(double untilwhen)
-//{
-	//double now = timef();
-	//double howlong = untilwhen - now;		// Fractional time in seconds.
-	// We are not worrying about overflow because all times should be in the near future.
-	//if (howlong <= 0.00001) return false;		// Less than 10 usecs, forget it.
-	//sleepf(sleeptime);
-//}
-
-std::string Text2Str::str() const
-{
-	std::ostringstream ss;
-	text(ss);
-	return ss.str();
-}
-
-std::ostream& operator<<(std::ostream& os, const Text2Str *val)
-{
-	std::ostringstream ss;
-	if (val) {
-		val->text(ss);
-		os << ss.str(); 
-	} else {
-		os << "(null)";
-	}
-	return os;
-}
-
-// Greatest Common Denominator.
-// This is by Doug Brown.
-int gcd(int x, int y)
-{
-	if (x > y) {
-		return x % y == 0 ? y : gcd(y, x % y);
-	} else {
-		return y % x == 0 ? x : gcd(x, y % x);
-	}
-}
-
-
-// Split a C string into an argc,argv array in place; the input string is modified.
-// Returns argc, and places results in argv, up to maxargc elements.
-// The final argv receives the rest of the input string from maxargc on,
-// even if it contains additional splitchars.
-// The correct idiom for use is to make a copy of your string, like this:
-// char *copy = strcpy((char*)alloca(the_string.length()+1),the_string.c_str());
-// char *argv[2];
-// int argc = cstrSplit(copy,argv,2,NULL);
-// If you want to detect the error of too many arguments, add 1 to argv, like this:
-// char *argv[3];
-// int argc = cstrSplit(copy,argv,3,NULL);
-// if (argc == 3) { error("too many arguments"; }
-int cstrSplit(char *in, char **pargv,int maxargc, const char *splitchars)
-{
-	if (splitchars == NULL) { splitchars = " \t\r\n"; }	// Default is any space.
-	int argc = 0;
-	while (argc < maxargc) {
-		while (*in && strchr(splitchars,*in)) {in++;}	// scan past any splitchars
-		if (! *in) return argc;					// return if finished.
-		pargv[argc++] = in;						// save ptr to start of arg.
-		in = strpbrk(in,splitchars);			// go to end of arg.
-		if (!in) return	argc;					// return if finished.
-		*in++ = 0;								// zero terminate this arg.
-	}
-	return argc;
-}
-
-std::ostream& operator<<(std::ostream& os, const Statistic<int> &stat) { stat.text(os); return os; }
-std::ostream& operator<<(std::ostream& os, const Statistic<unsigned> &stat) { stat.text(os); return os; }
-std::ostream& operator<<(std::ostream& os, const Statistic<float> &stat) { stat.text(os); return os; }
-std::ostream& operator<<(std::ostream& os, const Statistic<double> &stat) { stat.text(os); return os; }
-
-std::string replaceAll(const std::string input, const std::string search, const std::string replace)
-{
-	std::string output = input;
- 	int index = 0;
-
-	while (true) {
-		index = output.find(search, index);
-		if (index == std::string::npos) {
-			break;
-		}
-
-		output.replace(index, replace.length(), replace);
-		index += replace.length();
-	}
-
-	return output;
-}
-
-};

CommonLibs/Utils.h

@@ -1,148 +0,0 @@
-/*
-* Copyright 2011 Range Networks, Inc.
-* All Rights Reserved.
-*
-* This software is distributed under multiple licenses;
-* see the COPYING file in the main directory for licensing
-* information for this specific distribuion.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-    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.
-*/
-
-#ifndef GPRSUTILS_H
-#define GPRSUTILS_H
-#include <stdint.h>
-#include <stdarg.h>
-#include <string>
-#include <string.h>
-#include <math.h>		// for sqrtf
-#include "Logger.h"
-
-
-namespace Utils {
-
-extern double timef();					// high resolution time
-extern const std::string timestr();		// A timestamp to print in messages.
-extern void sleepf(double howlong);	// high resolution sleep
-extern int gcd(int x, int y);
-
-// It is irritating to create a string just to interface to the brain-damaged
-// C++ stream class, but this is only used for debug messages.
-std::string format(const char *fmt, ...) __attribute__((format (printf,1,2)));
-
-int cstrSplit(char *in, char **pargv,int maxargc, const char *splitchars=NULL);
-
-// For classes with a text() function, provide a function to return a String,
-// and also a standard << stream function that takes a pointer to the object.
-// We dont provide the function that takes a reference to the object
-// because it is too highly overloaded and generally doesnt work.
-class Text2Str {
-	public:
-	virtual void text(std::ostream &os) const = 0;
-	std::string str() const;
-};
-std::ostream& operator<<(std::ostream& os, const Text2Str *val);
-
-#if 0
-// Generic Activity Timer.  Lots of controls to make everybody happy.
-class ATimer {
-	double mStart;
-	//bool mActive;
-	double mLimitTime;
-	public:
-	ATimer() : mStart(0), mLimitTime(0) { }
-	ATimer(double wLimitTime) : mStart(0), mLimitTime(wLimitTime) { }
-	void start() { mStart=timef(); }
-	void stop() { mStart=0; }
-	bool active() { return !!mStart; }
-	double elapsed() { return timef() - mStart; }
-	bool expired() { return elapsed() > mLimitTime; }
-};
-#endif
-
-
-struct BitSet {
-	unsigned mBits;
-	void setBit(unsigned whichbit) { mBits |= 1<<whichbit; }
-	void clearBit(unsigned whichbit) { mBits &= ~(1<<whichbit); }
-	unsigned getBit(unsigned whichbit) const { return mBits & (1<<whichbit); }
-	bool isSet(unsigned whichbit) const { return mBits & (1<<whichbit); }
-	unsigned bits() const { return mBits; }
-	operator int(void) const { return mBits; }
-	BitSet() { mBits = 0; }
-};
-
-// Store current, min, max and compute running average and standard deviation.
-template<class Type> struct Statistic {
-	Type mCurrent, mMin, mMax;		// min,max optional initialization so you can print before adding any values.
-	unsigned mCnt;
-	double mSum;
-	//double mSum2;	// sum of squares.
-	// (Type) cast needed in case Type is an enum, stupid language.
-	Statistic() : mCurrent((Type)0), mMin((Type)0), mMax((Type)0), mCnt(0), mSum(0) /*,mSum2(0)*/ {}
-	// Set the current value and add a statisical point.
-	void addPoint(Type val) {
-		mCurrent = val;
-		if (mCnt == 0 || val < mMin) {mMin = val;}
-		if (mCnt == 0 || val > mMax) {mMax = val;}
-		mCnt++;
-		mSum += val;
-		//mSum2 += val * val;
-	}
-	Type getCurrent() const {	// Return current value.
-		return mCnt ? mCurrent : 0;
-	}
-	double getAvg() const { 			// Return average.
-		return mCnt==0 ? 0 : mSum/mCnt; 
-	};
-	//float getSD() const { 	// Return standard deviation.  Use low precision square root function.
-	//	return mCnt==0 ? 0 : sqrtf(mCnt * mSum2 - mSum*mSum) / mCnt;
-	//}
-
-	void text(std::ostream &os) const {	// Print everything in parens.
-		os << "("<<mCurrent;
-		if (mMin != mMax) {	// Not point in printing all this stuff if min == max.
-			os <<LOGVAR2("min",mMin)<<LOGVAR2("max",mMax)<<LOGVAR2("avg",getAvg());
-			if (mCnt <= 999999) {
-				os <<LOGVAR2("N",mCnt);
-			} else { // Shorten this up:
-				char buf[10], *ep;
-				sprintf(buf,"%.3g",round(mCnt));
-				if ((ep = strchr(buf,'e')) && ep[1] == '+') { strcpy(ep+1,ep+2); }
-				os << LOGVAR2("N",buf);
-			}
-			// os<<LOGVAR2("sd",getSD())  standard deviation not interesting
-		}
-		os << ")";
-		// " min="<<mMin <<" max="<<mMax <<format(" avg=%4g sd=%3g)",getAvg(),getSD());
-	}
-	// Not sure if this works:
-	//std::string statStr() const {
-	//	return (std::string)mCurrent + " min=" + (std::string) mMin +" max="+(string)mMax+ format(" avg=%4g sd=%3g",getAvg(),getSD());
-	//}
-};
-
-// This I/O mechanism is so dumb:
-std::ostream& operator<<(std::ostream& os, const Statistic<int> &stat);
-std::ostream& operator<<(std::ostream& os, const Statistic<unsigned> &stat);
-std::ostream& operator<<(std::ostream& os, const Statistic<float> &stat);
-std::ostream& operator<<(std::ostream& os, const Statistic<double> &stat);
-
-
-// Yes, they botched and left this out:
-std::ostream& operator<<(std::ostream& os, std::ostringstream& ss);
-
-std::ostream &osprintf(std::ostream &os, const char *fmt, ...) __attribute__((format (printf,2,3)));
-
-std::string replaceAll(const std::string input, const std::string search, const std::string replace);
-
-};	// namespace
-
-using namespace Utils;
-
-#endif

CommonLibs/Vector.h

@@ -92,6 +92,13 @@ template <class T> class Vector {
 		mEnd = mStart + newSize;
 	}
 
+	/** Reduce addressable size of the Vector, keeping content. */
+	void shrink(size_t newSize)
+	{
+		assert(newSize <= mEnd - mStart);
+		mEnd = mStart + newSize;
+	}
+
 	/** Release memory and clear pointers. */
 	void clear() { resize(0); }
 
@@ -111,8 +118,8 @@ template <class T> class Vector {
 	/** Build an empty Vector of a given size. */
 	Vector(size_t wSize=0):mData(NULL) { resize(wSize); }
 
-	/** Build a Vector by shifting the data block. */
-	Vector(Vector<T>& other)
+	/** Build a Vector by moving another. */
+	Vector(Vector<T>&& other)
 		:mData(other.mData),mStart(other.mStart),mEnd(other.mEnd)
 	{ other.mData=NULL; }
 
@@ -222,6 +229,21 @@ template <class T> class Vector {
 		memcpy(other.mStart,base,span*sizeof(T));
 	}
 
+	/**
+		Move (copy) a segment of this vector into a different position in the vector
+		@param from Start point from which to copy.
+		@param to   Start point to which to copy.
+		@param span The number of elements to copy.
+	*/
+	void segmentMove(size_t from, size_t to, size_t span)
+	{
+		const T* baseFrom = mStart + from;
+		T* baseTo = mStart + to;
+		assert(baseFrom+span<=mEnd);
+		assert(baseTo+span<=mEnd);
+		memmove(baseTo,baseFrom,span*sizeof(T));
+	}
+
 	void fill(const T& val)
 	{
 		T* dp=mStart;

CommonLibs/config_defs.h

@@ -0,0 +1,20 @@
+#pragma once
+
+/*
+ * This file contains structures used by both VTY (C, dir CommonLibs) and
+ * osmo-trx (CXX, dir Transceiver52)
+ */
+
+enum FillerType {
+  FILLER_DUMMY,
+  FILLER_ZERO,
+  FILLER_NORM_RAND,
+  FILLER_EDGE_RAND,
+  FILLER_ACCESS_RAND,
+};
+
+enum ReferenceType {
+  REF_INTERNAL,
+  REF_EXTERNAL,
+  REF_GPS,
+};

CommonLibs/debug.c

@@ -0,0 +1,24 @@
+#include <osmocom/core/logging.h>
+#include <osmocom/core/utils.h>
+#include "debug.h"
+
+/* default categories */
+static const struct log_info_cat default_categories[] = {
+	[DMAIN] = {
+		.name = "DMAIN",
+		.description = "Main generic category",
+		.color = NULL,
+		.enabled = 1, .loglevel = LOGL_NOTICE,
+	},
+	[DLMS] = {
+		.name = "DLMS",
+		.description = "LimeSuite category",
+		.color = NULL,
+		.enabled = 1, .loglevel = LOGL_NOTICE,
+	},
+};
+
+const struct log_info log_info = {
+	.cat = default_categories,
+	.num_cat = ARRAY_SIZE(default_categories),
+};

CommonLibs/debug.h

@@ -0,0 +1,9 @@
+#pragma once
+
+extern const struct log_info log_info;
+
+/* Debug Areas of the code */
+enum {
+	DMAIN,
+	DLMS,
+};

CommonLibs/sqlite3util.cpp

@@ -1,154 +0,0 @@
-/*
-* Copyright 2010 Kestrel Signal Processing, Inc.
-* All rights reserved.
-*/
-
-
-#include "sqlite3.h"
-#include "sqlite3util.h"
-
-#include <string.h>
-#include <unistd.h>
-#include <stdio.h>
-
-
-// Wrappers to sqlite operations.
-// These will eventually get moved to commonlibs.
-
-int sqlite3_prepare_statement(sqlite3* DB, sqlite3_stmt **stmt, const char* query)
-{
-        int src = SQLITE_BUSY;
-        while (src==SQLITE_BUSY) {
-                src = sqlite3_prepare_v2(DB,query,strlen(query),stmt,NULL);
-                if (src==SQLITE_BUSY) {
-                        usleep(100000);
-                }
-        }
-        if (src) {
-                fprintf(stderr,"sqlite3_prepare_v2 failed for \"%s\": %s\n",query,sqlite3_errmsg(DB));
-                sqlite3_finalize(*stmt);
-        }
-        return src;
-}
-
-int sqlite3_run_query(sqlite3* DB, sqlite3_stmt *stmt)
-{
-	int src = SQLITE_BUSY;
-	while (src==SQLITE_BUSY) {
-		src = sqlite3_step(stmt);
-		if (src==SQLITE_BUSY) {
-			usleep(100000);
-		}
-	}
-	if ((src!=SQLITE_DONE) && (src!=SQLITE_ROW)) {
-		fprintf(stderr,"sqlite3_run_query failed: %s: %s\n", sqlite3_sql(stmt), sqlite3_errmsg(DB));
-	}
-	return src;
-}
-
-
-bool sqlite3_exists(sqlite3* DB, const char *tableName,
-		const char* keyName, const char* keyData)
-{
-	size_t stringSize = 100 + strlen(tableName) + strlen(keyName) + strlen(keyData);
-	char query[stringSize];
-	sprintf(query,"SELECT * FROM %s WHERE %s == \"%s\"",tableName,keyName,keyData);
-	// Prepare the statement.
-	sqlite3_stmt *stmt;
-	if (sqlite3_prepare_statement(DB,&stmt,query)) return false;
-	// Read the result.
-	int src = sqlite3_run_query(DB,stmt);
-	sqlite3_finalize(stmt);
-	// Anything there?
-	return (src == SQLITE_ROW);
-}
-
-
-
-bool sqlite3_single_lookup(sqlite3* DB, const char *tableName,
-		const char* keyName, const char* keyData,
-		const char* valueName, unsigned &valueData)
-{
-	size_t stringSize = 100 + strlen(valueName) + strlen(tableName) + strlen(keyName) + strlen(keyData);
-	char query[stringSize];
-	sprintf(query,"SELECT %s FROM %s WHERE %s == \"%s\"",valueName,tableName,keyName,keyData);
-	// Prepare the statement.
-	sqlite3_stmt *stmt;
-	if (sqlite3_prepare_statement(DB,&stmt,query)) return false;
-	// Read the result.
-	int src = sqlite3_run_query(DB,stmt);
-	bool retVal = false;
-	if (src == SQLITE_ROW) {
-		valueData = (unsigned)sqlite3_column_int64(stmt,0);
-		retVal = true;
-	}
-	sqlite3_finalize(stmt);
-	return retVal;
-}
-
-
-// This function returns an allocated string that must be free'd by the caller.
-bool sqlite3_single_lookup(sqlite3* DB, const char* tableName,
-		const char* keyName, const char* keyData,
-		const char* valueName, char* &valueData)
-{
-	valueData=NULL;
-	size_t stringSize = 100 + strlen(valueName) + strlen(tableName) + strlen(keyName) + strlen(keyData);
-	char query[stringSize];
-	sprintf(query,"SELECT %s FROM %s WHERE %s == \"%s\"",valueName,tableName,keyName,keyData);
-	// Prepare the statement.
-	sqlite3_stmt *stmt;
-	if (sqlite3_prepare_statement(DB,&stmt,query)) return false;
-	// Read the result.
-	int src = sqlite3_run_query(DB,stmt);
-	bool retVal = false;
-	if (src == SQLITE_ROW) {
-		const char* ptr = (const char*)sqlite3_column_text(stmt,0);
-		if (ptr) valueData = strdup(ptr);
-		retVal = true;
-	}
-	sqlite3_finalize(stmt);
-	return retVal;
-}
-
-
-// This function returns an allocated string that must be free'd by tha caller.
-bool sqlite3_single_lookup(sqlite3* DB, const char* tableName,
-		const char* keyName, unsigned keyData,
-		const char* valueName, char* &valueData)
-{
-	valueData=NULL;
-	size_t stringSize = 100 + strlen(valueName) + strlen(tableName) + strlen(keyName) + 20;
-	char query[stringSize];
-	sprintf(query,"SELECT %s FROM %s WHERE %s == %u",valueName,tableName,keyName,keyData);
-	// Prepare the statement.
-	sqlite3_stmt *stmt;
-	if (sqlite3_prepare_statement(DB,&stmt,query)) return false;
-	// Read the result.
-	int src = sqlite3_run_query(DB,stmt);
-	bool retVal = false;
-	if (src == SQLITE_ROW) {
-		const char* ptr = (const char*)sqlite3_column_text(stmt,0);
-		if (ptr) valueData = strdup(ptr);
-		retVal = true;
-	}
-	sqlite3_finalize(stmt);
-	return retVal;
-}
-
-
-
-
-bool sqlite3_command(sqlite3* DB, const char* query)
-{
-	// Prepare the statement.
-	sqlite3_stmt *stmt;
-	if (sqlite3_prepare_statement(DB,&stmt,query)) return false;
-	// Run the query.
-	int src = sqlite3_run_query(DB,stmt);
-	sqlite3_finalize(stmt);
-	return src==SQLITE_DONE;
-}
-
-
-

CommonLibs/sqlite3util.h

@@ -1,29 +0,0 @@
-#ifndef SQLITE3UTIL_H
-#define SQLITE3UTIL_H
-
-#include <sqlite3.h>
-
-int sqlite3_prepare_statement(sqlite3* DB, sqlite3_stmt **stmt, const char* query);
-
-int sqlite3_run_query(sqlite3* DB, sqlite3_stmt *stmt);
-
-bool sqlite3_single_lookup(sqlite3* DB, const char *tableName,
-		const char* keyName, const char* keyData,
-		const char* valueName, unsigned &valueData);
-
-bool sqlite3_single_lookup(sqlite3* DB, const char* tableName,
-		const char* keyName, const char* keyData,
-		const char* valueName, char* &valueData);
-
-// This function returns an allocated string that must be free'd by the caller.
-bool sqlite3_single_lookup(sqlite3* DB, const char* tableName,
-		const char* keyName, unsigned keyData,
-		const char* valueName, char* &valueData);
-
-bool sqlite3_exists(sqlite3* DB, const char* tableName,
-		const char* keyName, const char* keyData);
-
-/** Run a query, ignoring the result; return true on success. */
-bool sqlite3_command(sqlite3* DB, const char* query);
-
-#endif

CommonLibs/trx_vty.c

@@ -0,0 +1,576 @@
+/*
+ * Copyright (C) 2012-2017 sysmocom - s.f.m.c. GmbH
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <string.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/rate_ctr.h>
+
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/vty.h>
+#include <osmocom/vty/misc.h>
+
+#include "trx_vty.h"
+#include "../config.h"
+
+static struct trx_ctx* g_trx_ctx;
+
+static const struct value_string clock_ref_names[] = {
+	{ REF_INTERNAL,	"internal" },
+	{ REF_EXTERNAL,	"external" },
+	{ REF_GPS,	"gspdo" },
+	{ 0,		NULL }
+};
+
+static const struct value_string filler_names[] = {
+	{ FILLER_DUMMY,		"Dummy bursts" },
+	{ FILLER_ZERO,		"Disabled" },
+	{ FILLER_NORM_RAND,	"Normal bursts with random payload" },
+	{ FILLER_EDGE_RAND,	"EDGE bursts with random payload" },
+	{ FILLER_ACCESS_RAND,	"Access bursts with random payload" },
+	{ 0,			NULL }
+};
+
+struct trx_ctx *trx_from_vty(struct vty *v)
+{
+        /* It can't hurt to force callers to continue to pass the vty instance
+         * to this function, in case we'd like to retrieve the global
+         * trx instance from the vty at some point in the future. But
+         * until then, just return the global pointer, which should have been
+         * initialized by trx_vty_init().
+         */
+        OSMO_ASSERT(g_trx_ctx);
+        return g_trx_ctx;
+}
+
+enum trx_vty_node {
+	TRX_NODE = _LAST_OSMOVTY_NODE + 1,
+	CHAN_NODE,
+};
+
+static struct cmd_node trx_node = {
+	TRX_NODE,
+	"%s(config-trx)# ",
+	1,
+};
+
+static struct cmd_node chan_node = {
+	CHAN_NODE,
+	"%s(config-trx-chan)# ",
+	1,
+};
+
+DEFUN(cfg_trx, cfg_trx_cmd,
+	"trx",
+	"Configure the TRX\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	if (!trx)
+		return CMD_WARNING;
+
+	vty->node = TRX_NODE;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bind_ip, cfg_bind_ip_cmd,
+	"bind-ip A.B.C.D",
+	"Set the IP address for the local bind\n"
+	"IPv4 Address\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	osmo_talloc_replace_string(trx, &trx->cfg.bind_addr, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_remote_ip, cfg_remote_ip_cmd,
+	"remote-ip A.B.C.D",
+	"Set the IP address for the remote BTS\n"
+	"IPv4 Address\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	osmo_talloc_replace_string(trx, &trx->cfg.remote_addr, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_base_port, cfg_base_port_cmd,
+	"base-port <1-65535>",
+	"Set the TRX Base Port\n"
+	"TRX Base Port\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx->cfg.base_port = atoi(argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_dev_args, cfg_dev_args_cmd,
+	"dev-args DESC",
+	"Set the device-specific arguments to pass to the device\n"
+	"Device-specific arguments\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	osmo_talloc_replace_string(trx, &trx->cfg.dev_args, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_tx_sps, cfg_tx_sps_cmd,
+	"tx-sps (1|4)",
+	"Set the Tx Samples-per-Symbol\n"
+	"Tx Samples-per-Symbol\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx->cfg.tx_sps = atoi(argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_rx_sps, cfg_rx_sps_cmd,
+	"rx-sps (1|4)",
+	"Set the Rx Samples-per-Symbol\n"
+	"Rx Samples-per-Symbol\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx->cfg.rx_sps = atoi(argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_test_rtsc, cfg_test_rtsc_cmd,
+	"test rtsc <0-7>",
+	"Set the Random Normal Burst test mode with TSC\n"
+	"TSC\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	if (trx->cfg.rach_delay_set) {
+		vty_out(vty, "rach-delay and rtsc options are mutual-exclusive%s",
+			VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	trx->cfg.rtsc_set = true;
+	trx->cfg.rtsc = atoi(argv[0]);
+	if (!trx->cfg.egprs) /* Don't override egprs which sets different filler */
+		trx->cfg.filler = FILLER_NORM_RAND;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_test_rach_delay, cfg_test_rach_delay_cmd,
+	"test rach-delay <0-68>",
+	"Set the Random Access Burst test mode with delay\n"
+	"RACH delay\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	if (trx->cfg.rtsc_set) {
+		vty_out(vty, "rach-delay and rtsc options are mutual-exclusive%s",
+			VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	if (trx->cfg.egprs) {
+		vty_out(vty, "rach-delay and egprs options are mutual-exclusive%s",
+			VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	trx->cfg.rach_delay_set = true;
+	trx->cfg.rach_delay = atoi(argv[0]);
+	trx->cfg.filler = FILLER_ACCESS_RAND;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_clock_ref, cfg_clock_ref_cmd,
+	"clock-ref (internal|external|gpsdo)",
+	"Set the Reference Clock\n"
+	"Enable internal referece (default)\n"
+	"Enable external 10 MHz reference\n"
+	"Enable GPSDO reference\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx->cfg.clock_ref = get_string_value(clock_ref_names, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_multi_arfcn, cfg_multi_arfcn_cmd,
+	"multi-arfcn (disable|enable)",
+	"Enable multi-ARFCN transceiver (default=disable)\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	if (strcmp("disable", argv[0]) == 0) {
+		trx->cfg.multi_arfcn = false;
+	} else if (strcmp("enable", argv[0]) == 0) {
+		trx->cfg.multi_arfcn = true;
+	} else {
+		return CMD_WARNING;
+	}
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_offset, cfg_offset_cmd,
+	"offset FLOAT",
+	"Set the baseband frequency offset (default=0, auto)\n"
+	"Baseband Frequency Offset\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx->cfg.offset = atof(argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_rssi_offset, cfg_rssi_offset_cmd,
+	"rssi-offset FLOAT",
+	"Set the RSSI to dBm offset in dB (default=0)\n"
+	"RSSI to dBm offset in dB\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx->cfg.rssi_offset = atof(argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_swap_channels, cfg_swap_channels_cmd,
+	"swap-channels (disable|enable)",
+	"Swap channels (default=disable)\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	if (strcmp("disable", argv[0]) == 0) {
+		trx->cfg.swap_channels = false;
+	} else if (strcmp("enable", argv[0]) == 0) {
+		trx->cfg.swap_channels = true;
+	} else {
+		return CMD_WARNING;
+	}
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_egprs, cfg_egprs_cmd,
+	"egprs (disable|enable)",
+	"Enable EDGE receiver (default=disable)\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	if (strcmp("disable", argv[0]) == 0) {
+		trx->cfg.egprs = false;
+	} else if (strcmp("enable", argv[0]) == 0) {
+		trx->cfg.egprs = true;
+		trx->cfg.filler = FILLER_EDGE_RAND;
+	} else {
+		return CMD_WARNING;
+	}
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_rt_prio, cfg_rt_prio_cmd,
+	"rt-prio <1-32>",
+	"Set the SCHED_RR real-time priority\n"
+	"Real time priority\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx->cfg.sched_rr = atoi(argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_filler, cfg_filler_cmd,
+	"filler dummy",
+	"Enable C0 filler table\n"
+	"Dummy method\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx->cfg.filler = FILLER_DUMMY;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_chan, cfg_chan_cmd,
+	"chan <0-100>",
+	"Select a channel to configure\n"
+	"Channel index\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+	int idx = atoi(argv[0]);
+
+	if (idx >= TRX_CHAN_MAX) {
+		vty_out(vty, "Chan list full.%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	if (trx->cfg.num_chans < idx) { /* Unexisting or creating non-consecutive */
+		vty_out(vty, "Non-existent or non-consecutive chan %d.%s",
+				idx, VTY_NEWLINE);
+		return CMD_WARNING;
+	} else if (trx->cfg.num_chans == idx)  { /* creating it */
+		trx->cfg.num_chans++;
+		trx->cfg.chans[idx].trx = trx;
+		trx->cfg.chans[idx].idx = idx;
+	}
+
+	vty->node = CHAN_NODE;
+	vty->index = &trx->cfg.chans[idx];
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_chan_rx_path, cfg_chan_rx_path_cmd,
+	"rx-path NAME",
+	"Set the Rx Path\n"
+	"Rx Path name\n")
+{
+	struct trx_chan *chan = vty->index;
+
+	osmo_talloc_replace_string(chan->trx, &chan->rx_path, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_chan_tx_path, cfg_chan_tx_path_cmd,
+	"tx-path NAME",
+	"Set the Tx Path\n"
+	"Tx Path name\n")
+{
+	struct trx_chan *chan = vty->index;
+
+	osmo_talloc_replace_string(chan->trx, &chan->tx_path, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+static int dummy_config_write(struct vty *v)
+{
+	return CMD_SUCCESS;
+}
+
+static int config_write_trx(struct vty *vty)
+{
+	struct trx_chan *chan;
+	int i;
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	vty_out(vty, "trx%s", VTY_NEWLINE);
+	if (trx->cfg.bind_addr)
+		vty_out(vty, " bind-ip %s%s", trx->cfg.bind_addr, VTY_NEWLINE);
+	if (trx->cfg.remote_addr)
+		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 (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);
+	if (trx->cfg.rx_sps != DEFAULT_RX_SPS)
+		vty_out(vty, " rx-sps %u%s", trx->cfg.rx_sps, VTY_NEWLINE);
+	if (trx->cfg.rtsc_set)
+		vty_out(vty, " test rtsc %u%s", trx->cfg.rtsc, VTY_NEWLINE);
+	if (trx->cfg.rach_delay_set)
+		vty_out(vty, " test rach-delay %u%s", trx->cfg.rach_delay, VTY_NEWLINE);
+	if (trx->cfg.clock_ref != REF_INTERNAL)
+		vty_out(vty, " clock-ref %s%s", get_value_string(clock_ref_names, trx->cfg.clock_ref), VTY_NEWLINE);
+	vty_out(vty, " multi-arfcn %s%s", trx->cfg.multi_arfcn ? "enable" : "disable", VTY_NEWLINE);
+	if (trx->cfg.offset != 0)
+		vty_out(vty, " offset %f%s", trx->cfg.offset, VTY_NEWLINE);
+	if (trx->cfg.rssi_offset != 0)
+		vty_out(vty, " rssi-offset %f%s", trx->cfg.rssi_offset, VTY_NEWLINE);
+	vty_out(vty, " swap-channels %s%s", trx->cfg.swap_channels ? "enable" : "disable", VTY_NEWLINE);
+	vty_out(vty, " egprs %s%s", trx->cfg.egprs ? "enable" : "disable", VTY_NEWLINE);
+	if (trx->cfg.sched_rr != 0)
+		vty_out(vty, " rt-prio %u%s", trx->cfg.sched_rr, VTY_NEWLINE);
+
+	for (i = 0; i < trx->cfg.num_chans; i++) {
+		chan = &trx->cfg.chans[i];
+		vty_out(vty, " chan %u%s", chan->idx, VTY_NEWLINE);
+		if (chan->rx_path)
+			vty_out(vty, " rx-path %s%s", chan->rx_path, VTY_NEWLINE);
+		if (chan->tx_path)
+			vty_out(vty, " tx-path %s%s", chan->tx_path, VTY_NEWLINE);
+	}
+
+	return CMD_SUCCESS;
+}
+
+static void trx_dump_vty(struct vty *vty, struct trx_ctx *trx)
+{
+	struct trx_chan *chan;
+	int i;
+	vty_out(vty, "TRX Config:%s", VTY_NEWLINE);
+	vty_out(vty, " Local IP: %s%s", trx->cfg.bind_addr, VTY_NEWLINE);
+	vty_out(vty, " Remote IP: %s%s", trx->cfg.remote_addr, VTY_NEWLINE);
+	vty_out(vty, " TRX Base Port: %u%s", trx->cfg.base_port, VTY_NEWLINE);
+	vty_out(vty, " Device args: %s%s", trx->cfg.dev_args, VTY_NEWLINE);
+	vty_out(vty, " Tx Samples-per-Symbol: %u%s", trx->cfg.tx_sps, VTY_NEWLINE);
+	vty_out(vty, " Rx Samples-per-Symbol: %u%s", trx->cfg.rx_sps, VTY_NEWLINE);
+	vty_out(vty, " Test Mode: TSC: %u (%s)%s", trx->cfg.rtsc,
+		trx->cfg.rtsc_set ? "Enabled" : "Disabled", VTY_NEWLINE);
+	vty_out(vty, " Test Mode: RACH Delay: %u (%s)%s", trx->cfg.rach_delay,
+		trx->cfg.rach_delay_set ? "Enabled" : "Disabled", VTY_NEWLINE);
+	vty_out(vty, " C0 Filler Table: %s%s", get_value_string(filler_names, trx->cfg.filler), VTY_NEWLINE);
+	vty_out(vty, " Clock Reference: %s%s", get_value_string(clock_ref_names, trx->cfg.clock_ref), VTY_NEWLINE);
+	vty_out(vty, " Multi-Carrier: %s%s", trx->cfg.multi_arfcn ? "Enabled" : "Disabled", VTY_NEWLINE);
+	vty_out(vty, " Tuning offset: %f%s", trx->cfg.offset, VTY_NEWLINE);
+	vty_out(vty, " RSSI to dBm offset: %f%s", trx->cfg.rssi_offset, VTY_NEWLINE);
+	vty_out(vty, " Swap channels: %s%s", trx->cfg.swap_channels ? "Enabled" : "Disabled", VTY_NEWLINE);
+	vty_out(vty, " EDGE support: %s%s", trx->cfg.egprs ? "Enabled" : "Disabled", VTY_NEWLINE);
+	vty_out(vty, " Real Time Priority: %u (%s)%s", trx->cfg.sched_rr,
+		trx->cfg.sched_rr ? "Enabled" : "Disabled", VTY_NEWLINE);
+	vty_out(vty, " Channels: %u%s", trx->cfg.num_chans, VTY_NEWLINE);
+	for (i = 0; i < trx->cfg.num_chans; i++) {
+		chan = &trx->cfg.chans[i];
+		vty_out(vty, "  Channel %u:%s", chan->idx, VTY_NEWLINE);
+		if (chan->rx_path)
+			vty_out(vty, "   Rx Path: %s%s", chan->rx_path, VTY_NEWLINE);
+		if (chan->tx_path)
+			vty_out(vty, "   Tx Path: %s%s", chan->tx_path, VTY_NEWLINE);
+	}
+}
+
+DEFUN(show_trx, show_trx_cmd,
+	"show trx",
+	SHOW_STR "Display information on the TRX\n")
+{
+	struct trx_ctx *trx = trx_from_vty(vty);
+
+	trx_dump_vty(vty, trx);
+
+	return CMD_SUCCESS;
+}
+
+static int trx_vty_is_config_node(struct vty *vty, int node)
+{
+	switch (node) {
+	case TRX_NODE:
+	case CHAN_NODE:
+		return 1;
+	default:
+		return 0;
+	}
+}
+
+static int trx_vty_go_parent(struct vty *vty)
+{
+	switch (vty->node) {
+	case TRX_NODE:
+		vty->node = CONFIG_NODE;
+		vty->index = NULL;
+		vty->index_sub = NULL;
+		break;
+	case CHAN_NODE:
+		vty->node = TRX_NODE;
+		vty->index = NULL;
+		vty->index_sub = NULL;
+		break;
+	default:
+		vty->node = CONFIG_NODE;
+		vty->index = NULL;
+		vty->index_sub = NULL;
+	}
+
+	return vty->node;
+}
+
+static const char trx_copyright[] =
+	"Copyright (C) 2007-2014 Free Software Foundation, Inc.\r\n"
+	"Copyright (C) 2013 Thomas Tsou <tom@tsou.cc>\r\n"
+	"Copyright (C) 2015 Ettus Research LLC\r\n"
+	"Copyright (C) 2017-2018 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>\r\n"
+	"License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n"
+	"This is free software: you are free to change and redistribute it.\r\n"
+	"There is NO WARRANTY, to the extent permitted by law.\r\n";
+
+struct vty_app_info g_vty_info = {
+	.name		= "OsmoTRX",
+	.version	= PACKAGE_VERSION,
+	.copyright	= trx_copyright,
+	.go_parent_cb	= trx_vty_go_parent,
+	.is_config_node	= trx_vty_is_config_node,
+};
+
+struct trx_ctx *vty_trx_ctx_alloc(void *talloc_ctx)
+{
+	struct trx_ctx * trx = talloc_zero(talloc_ctx, struct trx_ctx);
+
+	trx->cfg.bind_addr =  talloc_strdup(trx, DEFAULT_TRX_IP);
+	trx->cfg.remote_addr = talloc_strdup(trx, DEFAULT_TRX_IP);
+	trx->cfg.base_port = DEFAULT_TRX_PORT;
+	trx->cfg.tx_sps = DEFAULT_TX_SPS;
+	trx->cfg.rx_sps = DEFAULT_RX_SPS;
+	trx->cfg.filler = FILLER_ZERO;
+
+	return trx;
+}
+
+int trx_vty_init(struct trx_ctx* trx)
+{
+	g_trx_ctx = trx;
+	install_element_ve(&show_trx_cmd);
+
+	install_element(CONFIG_NODE, &cfg_trx_cmd);
+
+	install_node(&trx_node, config_write_trx);
+	install_element(TRX_NODE, &cfg_bind_ip_cmd);
+	install_element(TRX_NODE, &cfg_remote_ip_cmd);
+	install_element(TRX_NODE, &cfg_base_port_cmd);
+	install_element(TRX_NODE, &cfg_dev_args_cmd);
+	install_element(TRX_NODE, &cfg_tx_sps_cmd);
+	install_element(TRX_NODE, &cfg_rx_sps_cmd);
+	install_element(TRX_NODE, &cfg_test_rtsc_cmd);
+	install_element(TRX_NODE, &cfg_test_rach_delay_cmd);
+	install_element(TRX_NODE, &cfg_clock_ref_cmd);
+	install_element(TRX_NODE, &cfg_multi_arfcn_cmd);
+	install_element(TRX_NODE, &cfg_offset_cmd);
+	install_element(TRX_NODE, &cfg_rssi_offset_cmd);
+	install_element(TRX_NODE, &cfg_swap_channels_cmd);
+	install_element(TRX_NODE, &cfg_egprs_cmd);
+	install_element(TRX_NODE, &cfg_rt_prio_cmd);
+	install_element(TRX_NODE, &cfg_filler_cmd);
+
+	install_element(TRX_NODE, &cfg_chan_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);
+
+	return 0;
+}

CommonLibs/trx_vty.h

@@ -0,0 +1,68 @@
+#pragma once
+
+#include <osmocom/vty/command.h>
+
+#include "config_defs.h"
+
+extern struct vty_app_info g_vty_info;
+
+#define TRX_CHAN_MAX 8
+
+/* Samples-per-symbol for downlink path
+ *     4 - Uses precision modulator (more computation, less distortion)
+ *     1 - Uses minimized modulator (less computation, more distortion)
+ *
+ *     Other values are invalid. Receive path (uplink) is always
+ *     downsampled to 1 sps. Default to 4 sps for all cases.
+ */
+#define DEFAULT_TX_SPS		4
+
+/*
+ * Samples-per-symbol for uplink (receiver) path
+ *     Do not modify this value. EDGE configures 4 sps automatically on
+ *     B200/B210 devices only. Use of 4 sps on the receive path for other
+ *     configurations is not supported.
+ */
+#define DEFAULT_RX_SPS		1
+
+/* Default configuration parameters */
+#define DEFAULT_TRX_PORT	5700
+#define DEFAULT_TRX_IP		"127.0.0.1"
+#define DEFAULT_CHANS		1
+
+struct trx_ctx;
+
+struct trx_chan {
+	struct trx_ctx *trx; /* backpointer */
+	unsigned int idx; /* channel index */
+	char *rx_path;
+	char *tx_path;
+};
+
+struct trx_ctx {
+	struct {
+		char *bind_addr;
+		char *remote_addr;
+		char *dev_args;
+		unsigned int base_port;
+		unsigned int tx_sps;
+		unsigned int rx_sps;
+		unsigned int rtsc;
+		bool rtsc_set;
+		unsigned int rach_delay;
+		bool rach_delay_set;
+		enum ReferenceType clock_ref;
+		enum FillerType filler;
+		bool multi_arfcn;
+		double offset;
+		double rssi_offset;
+		bool swap_channels;
+		bool egprs;
+		unsigned int sched_rr;
+		unsigned int num_chans;
+		struct trx_chan chans[TRX_CHAN_MAX];
+	} cfg;
+};
+
+int trx_vty_init(struct trx_ctx* trx);
+struct trx_ctx *vty_trx_ctx_alloc(void *talloc_ctx);

INSTALLATION

@@ -2,32 +2,18 @@ Installation Requirements
 
 
 
-OpenBTS compiles to a simple Unix binary and does not require special
+osmo-trx compiles to a simple Unix binary and does not require special
 installation.
 
 One some systems (Ubuntu), you will need to define LIBS = -lpthread prior to
 running configure.
 
-To run OpenBTS, the following should be installed:
-
-	Asterisk (http://www.asterisk.org), running SIP on port 5060.
-
-	libosip2 (http://www.gnu.org/software/osip/)
-
-	libortp (http://freshmeat.net/projects/ortp/)
-
-	libusrp (http://gnuradio.org).
+To run osmo-trx, the following should be installed:
+	libuhd (https://gnuradio.org).
 	This is part of the GNURadio installation.
-	It is the only part used by OpenBTS.
-
-
-OpenBTS logs to syslogd as facility LOG_LOCAL7.  Please set your /etc/syslog.conf
-accordingly.
-
 
 For information on specific executables, see tests/README.tests and
 apps/README.apps.
 
-See http://gnuradio.org/redmine/wiki/gnuradio/OpenBTS/BuildingAndRunning for more
+See https://osmocom.org/projects/osmotrx/wiki/OsmoTRX for more
 information.
-

LEGAL

@@ -1,5 +1,8 @@
 OpenBTS
 
+The OsmoTRX project is direved from OpenBTS transceiver code. See http://openbts.org/ for details.
+
+The related copyrights:
 Most parts copyright 2008-2011 Free Software Foundation.
 Some parts copyright 2010 Kestrel Signal Processing, Inc.
 Some parts copyright 2011 Range Networks, Inc.
@@ -12,17 +15,9 @@ patented technologies.  The user of this software is required to take whatever
 actions are necessary to avoid patent infringement.
 
 
-Trademark
-
-"OpenBTS" is a registered trademark of Range Networks, Inc. (Range), a
-California corporation.  Range reserves the right to control the use of this 
-trademark.  Do not use this trademark in commerce without permission and do not
-rebrand OpenBTS under a different trademark.
-
-
 Telecom and Radio Spectrum Laws
 
-The primary function of OpenBTS is the provision of telecommunications service
+The primary function of OsmoTRX is the provision of telecommunications service
 over a radio link.  This activity is heavily regulated nearly everywhere in
 the world.  Users of this software are expected to comply with local and national
 regulations in the jurisdictions where this sortware is used with radio equipment.
@@ -39,7 +34,7 @@ The legal restrictions listed here are not necessarily exhaustive.
 
 Note to US Government Users
 
-The OpenBTS software applications and associated documentation are "Commercial
+The OsmoTRX software applications and associated documentation are "Commercial
 Item(s)," as that term is defined at 48 C.F.R. Section 2.101, consisting of
 "Commercial Computer Software" and "Commercial Computer Software Documentation,"
 as such terms are used in 48 C.F.R. 12.212 or 48 C.F.R. 227.7202, as
@@ -54,13 +49,12 @@ and AGPLv3.
 Note to US Government Contractors
 
 GPL is not compatible with "government purpose rights" (GPR).  If you receive
-OpenBTS software under a GPL and deliver it under GPR, you will be in violation
+OsmoTRX software under a GPL and deliver it under GPR, you will be in violation
 of GPL and possibly subject to enforcement actions by the original authors and
 copyright holders, including the Free Software Foundation, Inc.
 
 
 Software Licensing and Distribution
 
-A subset of OpenBTS is distributed publicly under AGPLv3.  Range reserves the right to
-distribute most of this source code other licenses as well.  See the COPYING file
+The OsmoTRX is distributed publicly under AGPLv3. See the COPYING file
 for more information on the license for this distribution.

Makefile.am

@@ -22,16 +22,16 @@ include $(top_srcdir)/Makefile.common
 
 ACLOCAL_AMFLAGS = -I config
 AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) $(USB_INCLUDES) $(WITH_INCLUDES)
-AM_CXXFLAGS = -Wall -pthread -ldl
-#AM_CXXFLAGS = -Wall -O2 -NDEBUG -pthread -ldl
-#AM_CFLAGS = -Wall -O2 -NDEBUG -pthread -ldl
+AM_CXXFLAGS = -Wall -pthread
+#AM_CXXFLAGS = -Wall -O2 -NDEBUG -pthread
+#AM_CFLAGS = -Wall -O2 -NDEBUG -pthread
 
 # Order must be preserved
 SUBDIRS = \
-	sqlite3 \
 	CommonLibs \
 	GSM \
-	Transceiver52M
+	Transceiver52M \
+	tests
 
 EXTRA_DIST = \
 	autogen.sh \
@@ -40,6 +40,9 @@ EXTRA_DIST = \
 	COPYING \
 	README
 
+.PHONY: release
+
+@RELMAKE@
 
 dox: FORCE
 	doxygen doxconfig

Makefile.common

@@ -18,21 +18,21 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-top_srcdir = $(abs_top_srcdir)
-top_builddir = $(abs_top_builddir)
-
 COMMON_INCLUDEDIR = $(top_srcdir)/CommonLibs
 GSM_INCLUDEDIR = $(top_srcdir)/GSM
-SQLITE_INCLUDEDIR = $(top_srcdir)/sqlite3
 
 STD_DEFINES_AND_INCLUDES = \
 	$(SVNDEV) \
 	-I$(COMMON_INCLUDEDIR) \
-	-I$(GSM_INCLUDEDIR) \
-	-I$(SQLITE_INCLUDEDIR)
+	-I$(GSM_INCLUDEDIR)
 
 COMMON_LA = $(top_builddir)/CommonLibs/libcommon.la
 GSM_LA = $(top_builddir)/GSM/libGSM.la
-SQLITE_LA = $(top_builddir)/sqlite3/libsqlite.la -ldl
+
+if ARCH_ARM
+ARCH_LA = $(top_builddir)/Transceiver52M/arch/arm/libarch.la
+else
+ARCH_LA = $(top_builddir)/Transceiver52M/arch/x86/libarch.la
+endif
 
 MOSTLYCLEANFILES = *~

Transceiver52M/Channelizer.cpp

@@ -0,0 +1,107 @@
+/*
+ * Polyphase channelizer
+ * 
+ * Copyright (C) 2012-2014 Tom Tsou <tom@tsou.cc>
+ * Copyright (C) 2015 Ettus Research LLC
+ *
+ * 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 <stdlib.h>
+#include <math.h>
+#include <assert.h>
+#include <string.h>
+#include <cstdio>
+
+#include "Channelizer.h"
+
+extern "C" {
+#include "fft.h"
+#include "convolve.h"
+}
+
+static void deinterleave(const float *in, size_t ilen,
+			 float **out, size_t olen, size_t m)
+{
+	size_t i, n;
+
+	for (i = 0; i < olen; i++) {
+		for (n = 0; n < m; n++) {
+			out[m - 1 - n][2 * i + 0] = in[2 * (i * m + n) + 0];
+			out[m - 1 - n][2 * i + 1] = in[2 * (i * m + n) + 1];
+		}
+	}
+}
+
+size_t Channelizer::inputLen() const
+{
+	return blockLen * m;
+}
+
+size_t Channelizer::outputLen() const
+{
+	return blockLen;
+}
+
+float *Channelizer::outputBuffer(size_t chan) const
+{
+	if (chan >= m)
+		return NULL;
+
+	return hInputs[chan];
+}
+
+/* 
+ * Implementation based on material found in:
+ *
+ * "harris, fred, Multirate Signal Processing, Upper Saddle River, NJ,
+ *     Prentice Hall, 2006."
+ */
+bool Channelizer::rotate(const float *in, size_t len)
+{
+	size_t hSize = 2 * hLen * sizeof(float);
+
+	if (!checkLen(blockLen, len))
+		return false;
+
+	deinterleave(in, len, hInputs, blockLen, m);
+
+	/* 
+	 * Convolve through filterbank while applying and saving sample history 
+	 */
+	for (size_t i = 0; i < m; i++) {
+		memcpy(&hInputs[i][2 * -hLen], hist[i], hSize);
+		memcpy(hist[i], &hInputs[i][2 * (blockLen - hLen)], hSize);
+
+		convolve_real(hInputs[i], blockLen,
+			      subFilters[i], hLen,
+			      hOutputs[i], blockLen,
+			      0, blockLen, 1, 0);
+	}
+
+	cxvec_fft(fftHandle);
+
+	return true;
+}
+
+/* Setup channelizer paramaters */
+Channelizer::Channelizer(size_t m, size_t blockLen, size_t hLen)
+	: ChannelizerBase(m, blockLen, hLen)
+{
+}
+
+Channelizer::~Channelizer()
+{
+}

Transceiver52M/Channelizer.h

@@ -0,0 +1,34 @@
+#ifndef _CHANNELIZER_RX_H_
+#define _CHANNELIZER_RX_H_
+
+#include "ChannelizerBase.h"
+
+class Channelizer : public ChannelizerBase {
+public:
+	/** Constructor for channelizing filter bank
+	    @param m number of physical channels
+	    @param blockLen number of samples per output of each iteration
+	    @param hLen number of taps in each constituent filter path
+	*/
+	Channelizer(size_t m, size_t blockLen, size_t hLen = 16);
+	~Channelizer();
+
+	/* Return required input and output buffer lengths */
+	size_t inputLen() const;
+	size_t outputLen() const;
+
+	/** Rotate "input commutator" and drive samples through filterbank
+	    @param in complex input vector 
+	    @param iLen number of samples in buffer (must match block length)
+	    @return false on error and true otherwise
+	*/
+	bool rotate(const float *in, size_t iLen);
+
+	/** Get buffer for an output path
+	    @param chan channel number of filterbank
+            @return NULL on error and pointer to buffer otherwise
+	*/
+	float *outputBuffer(size_t chan) const;
+};
+
+#endif /* _CHANNELIZER_RX_H_ */

Transceiver52M/ChannelizerBase.cpp

@@ -0,0 +1,251 @@
+/*
+ * Polyphase channelizer
+ * 
+ * Copyright (C) 2012-2014 Tom Tsou <tom@tsou.cc>
+ * Copyright (C) 2015 Ettus Research LLC 
+ *
+ * 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 <malloc.h>
+#include <math.h>
+#include <assert.h>
+#include <string.h>
+#include <cstdio>
+
+#include "Logger.h"
+#include "ChannelizerBase.h"
+
+extern "C" {
+#include "fft.h"
+}
+
+static float sinc(float x)
+{
+	if (x == 0.0f)
+		return 0.999999999999f;
+
+	return sin(M_PI * x) / (M_PI * x);
+}
+
+/*
+ * There are more efficient reversal algorithms, but we only reverse at
+ * initialization so we don't care.
+ */
+static void reverse(float *buf, size_t len)
+{
+	float tmp[2 * len];
+	memcpy(tmp, buf, 2 * len * sizeof(float));
+
+	for (size_t i = 0; i < len; i++) {
+		buf[2 * i + 0] = tmp[2 * (len - 1 - i) + 0];
+		buf[2 * i + 1] = tmp[2 * (len - 1 - i) + 1];
+	}
+}
+
+/* 
+ * Create polyphase filterbank
+ *
+ * Implementation based material found in, 
+ *
+ * "harris, fred, Multirate Signal Processing, Upper Saddle River, NJ,
+ *     Prentice Hall, 2006."
+ */
+bool ChannelizerBase::initFilters()
+{
+	size_t protoLen = m * hLen;
+	float *proto;
+	float sum = 0.0f, scale = 0.0f;
+	float midpt = (float) (protoLen - 1.0) / 2.0;
+
+	/* 
+	 * Allocate 'M' partition filters and the temporary prototype
+	 * filter. Coefficients are real only and must be 16-byte memory
+	 * aligned for SSE usage.
+	 */
+	proto = new float[protoLen];
+	if (!proto)
+		return false;
+
+	subFilters = (float **) malloc(sizeof(float *) * m);
+	if (!subFilters) {
+		delete[] proto;
+		return false;
+	}
+
+	for (size_t i = 0; i < m; i++) {
+		subFilters[i] = (float *)
+				memalign(16, hLen * 2 * sizeof(float));
+	}
+
+	/* 
+	 * Generate the prototype filter with a Blackman-harris window.
+	 * Scale coefficients with DC filter gain set to unity divided
+	 * by the number of channels.
+	 */
+	float a0 = 0.35875;
+	float a1 = 0.48829;
+	float a2 = 0.14128;
+	float a3 = 0.01168;
+
+	for (size_t i = 0; i < protoLen; i++) {
+		proto[i] = sinc(((float) i - midpt) / (float) m);
+		proto[i] *= a0 -
+			    a1 * cos(2 * M_PI * i / (protoLen - 1)) +
+			    a2 * cos(4 * M_PI * i / (protoLen - 1)) -
+			    a3 * cos(6 * M_PI * i / (protoLen - 1));
+		sum += proto[i];
+	}
+	scale = (float) m / sum;
+
+	/* 
+	 * Populate partition filters and reverse the coefficients per
+	 * convolution requirements.
+	 */
+	for (size_t i = 0; i < hLen; i++) {
+		for (size_t n = 0; n < m; n++) {
+			subFilters[n][2 * i + 0] = proto[i * m + n] * scale;
+			subFilters[n][2 * i + 1] = 0.0f;
+		}
+	}
+
+	for (size_t i = 0; i < m; i++)
+		reverse(subFilters[i], hLen);
+
+	delete[] proto;
+
+	return true;
+}
+
+bool ChannelizerBase::initFFT()
+{
+	size_t size;
+
+	if (fftInput || fftOutput || fftHandle)
+		return false;
+
+	size = blockLen * m * 2 * sizeof(float);
+	fftInput = (float *) fft_malloc(size);
+	memset(fftInput, 0, size);
+
+	size = (blockLen + hLen) * m * 2 * sizeof(float);
+	fftOutput = (float *) fft_malloc(size);
+	memset(fftOutput, 0, size);
+
+	if (!fftInput | !fftOutput) {
+		LOG(ALERT) << "Memory allocation error";
+		return false;
+	}
+
+	fftHandle = init_fft(0, m, blockLen, blockLen + hLen,
+			     fftInput, fftOutput, hLen);
+	return true;
+}
+
+bool ChannelizerBase::mapBuffers()
+{
+	if (!fftHandle) {
+		LOG(ALERT) << "FFT buffers not initialized";
+		return false;
+	}
+
+	hInputs = (float **) malloc(sizeof(float *) * m);
+	hOutputs = (float **) malloc(sizeof(float *) * m);
+	if (!hInputs | !hOutputs)
+		return false;
+
+	for (size_t i = 0; i < m; i++) {
+		hInputs[i] = &fftOutput[2 * (i * (blockLen + hLen) + hLen)];
+		hOutputs[i] = &fftInput[2 * (i * blockLen)];
+	}
+
+	return true;
+}
+
+/* 
+ * Setup filterbank internals
+ */
+bool ChannelizerBase::init()
+{
+	/*
+	 * Filterbank coefficients, fft plan, history, and output sample
+	 * rate conversion blocks
+	 */
+	if (!initFilters()) {
+		LOG(ALERT) << "Failed to initialize channelizing filter";
+		return false;
+	}
+
+	hist = (float **) malloc(sizeof(float *) * m);
+	for (size_t i = 0; i < m; i++) {
+		hist[i] = new float[2 * hLen];
+		memset(hist[i], 0, 2 * hLen * sizeof(float));
+	}
+
+	if (!initFFT()) {
+		LOG(ALERT) << "Failed to initialize FFT";
+		return false;
+	}
+
+	mapBuffers();
+
+	return true;
+}
+
+/* Check vector length validity */
+bool ChannelizerBase::checkLen(size_t innerLen, size_t outerLen)
+{
+	if (outerLen != innerLen * m) {
+		LOG(ALERT) << "Invalid outer length " << innerLen
+			   <<  " is not multiple of " << blockLen;
+		return false;
+	}
+
+	if (innerLen != blockLen) {
+		LOG(ALERT) << "Invalid inner length " << outerLen
+			   <<  " does not equal " << blockLen;
+		return false;
+	}
+
+	return true;
+}
+
+/* 
+ * Setup channelizer paramaters
+ */
+ChannelizerBase::ChannelizerBase(size_t m, size_t blockLen, size_t hLen)
+	: fftInput(NULL), fftOutput(NULL), fftHandle(NULL)
+{
+	this->m = m;
+	this->hLen = hLen;
+	this->blockLen = blockLen;
+}
+
+ChannelizerBase::~ChannelizerBase()
+{
+	free_fft(fftHandle);
+
+	for (size_t i = 0; i < m; i++) {
+		free(subFilters[i]);
+		delete hist[i];
+	}
+
+	fft_free(fftInput);
+	fft_free(fftOutput);
+
+	free(hInputs);
+	free(hOutputs);
+	free(hist);
+}

Transceiver52M/ChannelizerBase.h

@@ -0,0 +1,39 @@
+#ifndef _CHANNELIZER_BASE_H_
+#define _CHANNELIZER_BASE_H_
+
+class ChannelizerBase {
+protected:
+	ChannelizerBase(size_t m, size_t blockLen, size_t hLen);
+	~ChannelizerBase();
+
+	/* Channelizer parameters */
+	size_t m;
+	size_t hLen;
+	size_t blockLen;
+
+	/* Channelizer filterbank sub-filters */
+	float **subFilters;
+
+	/* Input/Output buffers */
+	float **hInputs, **hOutputs, **hist;
+	float *fftInput, *fftOutput;
+
+	/* Pointer to opaque FFT instance */
+	struct fft_hdl *fftHandle;
+
+	/* Initializer internals */
+	bool initFilters();
+	bool initFFT();
+	void releaseFilters();
+
+	/* Map overlapped FFT and filter I/O buffers */
+	bool mapBuffers();
+
+	/* Buffer length validity checking */
+	bool checkLen(size_t innerLen, size_t outerLen);
+public:
+	/* Initilize channelizer/synthesis filter internals */
+	bool init();
+};
+
+#endif /* _CHANNELIZER_BASE_H_ */

Transceiver52M/Makefile.am

@@ -21,22 +21,10 @@
 
 include $(top_srcdir)/Makefile.common
 
-AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/common
-AM_CXXFLAGS = -ldl -lpthread
+SUBDIRS = arch device
 
-SUBDIRS = arm x86
-
-if ARCH_ARM
-ARCH_LA = arm/libarch.la
-else
-ARCH_LA = x86/libarch.la
-endif
-
-if USRP1 
-AM_CPPFLAGS += $(USRP_CFLAGS)
-else
-AM_CPPFLAGS += $(UHD_CFLAGS)
-endif
+AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/arch/common -I${srcdir}/device
+AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS)
 
 rev2dir = $(datadir)/usrp/rev2
 rev4dir = $(datadir)/usrp/rev4
@@ -44,55 +32,80 @@ rev4dir = $(datadir)/usrp/rev4
 dist_rev2_DATA = std_inband.rbf
 dist_rev4_DATA = std_inband.rbf
 
-EXTRA_DIST = \
-	README \
-	README.Talgorithm
+EXTRA_DIST = README
 
-noinst_LTLIBRARIES = libtransceiver.la
+noinst_LTLIBRARIES = libtransceiver_common.la
 
 COMMON_SOURCES = \
 	radioInterface.cpp \
 	radioVector.cpp \
 	radioClock.cpp \
+	radioBuffer.cpp \
 	sigProcLib.cpp \
 	signalVector.cpp \
-	Transceiver.cpp
+	Transceiver.cpp \
+	ChannelizerBase.cpp \
+	Channelizer.cpp \
+	Synthesis.cpp
 
-libtransceiver_la_SOURCES = \
+libtransceiver_common_la_SOURCES = \
 	$(COMMON_SOURCES) \
 	Resampler.cpp \
 	radioInterfaceResamp.cpp \
-	radioInterfaceDiversity.cpp
-
-bin_PROGRAMS = osmo-trx
+	radioInterfaceMulti.cpp
 
 noinst_HEADERS = \
 	Complex.h \
 	radioInterface.h \
 	radioVector.h \
 	radioClock.h \
-	radioDevice.h \
+	radioBuffer.h \
 	sigProcLib.h \
 	signalVector.h \
 	Transceiver.h \
-	USRPDevice.h \
 	Resampler.h \
-	common/convolve.h \
-	common/convert.h \
-	common/scale.h \
-	common/mult.h
+	ChannelizerBase.h \
+	Channelizer.h \
+	Synthesis.h
 
-osmo_trx_SOURCES = osmo-trx.cpp
-osmo_trx_LDADD = \
-	libtransceiver.la \
+COMMON_LDADD = \
+	libtransceiver_common.la \
 	$(ARCH_LA) \
 	$(GSM_LA) \
-	$(COMMON_LA) $(SQLITE_LA)
+	$(COMMON_LA) \
+	$(FFTWF_LIBS) \
+	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOCTRL_LIBS) \
+	$(LIBOSMOVTY_LIBS)
 
-if USRP1 
-libtransceiver_la_SOURCES += USRPDevice.cpp
-osmo_trx_LDADD += $(USRP_LIBS)
-else
-libtransceiver_la_SOURCES += UHDDevice.cpp
-osmo_trx_LDADD += $(UHD_LIBS)
+bin_PROGRAMS =
+
+if DEVICE_UHD
+bin_PROGRAMS += osmo-trx-uhd
+osmo_trx_uhd_SOURCES = osmo-trx.cpp
+osmo_trx_uhd_LDADD = \
+	$(builddir)/device/uhd/libdevice.la \
+	$(COMMON_LDADD) \
+	$(UHD_LIBS)
+osmo_trx_uhd_CPPFLAGS  = $(AM_CPPFLAGS) $(UHD_CFLAGS)
+endif
+
+if DEVICE_USRP1
+bin_PROGRAMS += osmo-trx-usrp1
+osmo_trx_usrp1_SOURCES = osmo-trx.cpp
+osmo_trx_usrp1_LDADD = \
+	$(builddir)/device/usrp1/libdevice.la \
+	$(COMMON_LDADD) \
+	$(USRP_LIBS)
+osmo_trx_usrp1_CPPFLAGS  = $(AM_CPPFLAGS) $(USRP_CFLAGS)
+endif
+
+if DEVICE_LMS
+bin_PROGRAMS += osmo-trx-lms
+osmo_trx_lms_SOURCES = osmo-trx.cpp
+osmo_trx_lms_LDADD = \
+	$(builddir)/device/lms/libdevice.la \
+	$(COMMON_LDADD) \
+	$(LMS_LIBS)
+osmo_trx_lms_CPPFLAGS  = $(AM_CPPFLAGS) $(LMS_CFLAGS)
 endif

Transceiver52M/Resampler.cpp

@@ -22,6 +22,7 @@
 #include <string.h>
 #include <malloc.h>
 #include <iostream>
+#include <algorithm>
 
 #include "Resampler.h"
 
@@ -35,6 +36,8 @@ extern "C" {
 
 #define MAX_OUTPUT_LEN		4096
 
+using namespace std;
+
 static float sinc(float x)
 {
 	if (x == 0.0)
@@ -43,32 +46,19 @@ static float sinc(float x)
 	return sin(M_PI * x) / (M_PI * x);
 }
 
-bool Resampler::initFilters(float bw)
+void Resampler::initFilters(float bw)
 {
-	size_t proto_len = p * filt_len;
-	float *proto, val, cutoff;
+	float cutoff;
 	float sum = 0.0f, scale = 0.0f;
-	float midpt = (float) (proto_len - 1.0) / 2.0;
 
 	/* 
 	 * Allocate partition filters and the temporary prototype filter
 	 * according to numerator of the rational rate. Coefficients are
 	 * real only and must be 16-byte memory aligned for SSE usage.
 	 */
-	proto = new float[proto_len];
-	if (!proto)
-		return false;
-
-	partitions = (float **) malloc(sizeof(float *) * p);
-	if (!partitions) {
-		free(proto);
-		return false;
-	}
-
-	for (size_t i = 0; i < p; i++) {
-		partitions[i] = (float *)
-				memalign(16, filt_len * 2 * sizeof(float));
-	}
+	auto proto = vector<float>(p * filt_len);
+	for (auto &part : partitions)
+		part = (complex<float> *) memalign(16, filt_len * sizeof(complex<float>));
 
 	/* 
 	 * Generate the prototype filter with a Blackman-harris window.
@@ -85,47 +75,26 @@ bool Resampler::initFilters(float bw)
 	else
 		cutoff = (float) q;
 
-	for (size_t i = 0; i < proto_len; i++) {
+	float midpt = (proto.size() - 1) / 2.0;
+	for (size_t i = 0; i < proto.size(); i++) {
 		proto[i] = sinc(((float) i - midpt) / cutoff * bw);
 		proto[i] *= a0 -
-			    a1 * cos(2 * M_PI * i / (proto_len - 1)) +
-			    a2 * cos(4 * M_PI * i / (proto_len - 1)) -
-			    a3 * cos(6 * M_PI * i / (proto_len - 1));
+			    a1 * cos(2 * M_PI * i / (proto.size() - 1)) +
+			    a2 * cos(4 * M_PI * i / (proto.size() - 1)) -
+			    a3 * cos(6 * M_PI * i / (proto.size() - 1));
 		sum += proto[i];
 	}
 	scale = p / sum;
 
 	/* Populate filter partitions from the prototype filter */
 	for (size_t i = 0; i < filt_len; i++) {
-		for (size_t n = 0; n < p; n++) {
-			partitions[n][2 * i + 0] = proto[i * p + n] * scale;
-			partitions[n][2 * i + 1] = 0.0f;
-		}
+		for (size_t n = 0; n < p; n++)
+			partitions[n][i] = complex<float>(proto[i * p + n] * scale);
 	}
 
-	/* For convolution, we store the filter taps in reverse */ 
-	for (size_t n = 0; n < p; n++) {
-		for (size_t i = 0; i < filt_len / 2; i++) {
-			val = partitions[n][2 * i];
-			partitions[n][2 * i] = partitions[n][2 * (filt_len - 1 - i)];
-			partitions[n][2 * (filt_len - 1 - i)] = val;
-		}
-	}
-
-	delete proto;
-
-	return true;
-}
-
-void Resampler::releaseFilters()
-{
-	if (partitions) {
-		for (size_t i = 0; i < p; i++)
-			free(partitions[i]);
-	}
-
-	free(partitions);
-	partitions = NULL;
+	/* Store filter taps in reverse */
+	for (auto &part : partitions)
+		reverse(&part[0], &part[filt_len]);
 }
 
 static bool check_vec_len(int in_len, int out_len, int p, int q)
@@ -159,66 +128,41 @@ static bool check_vec_len(int in_len, int out_len, int p, int q)
 	return true;
 }
 
-void Resampler::computePath()
-{
-	for (int i = 0; i < MAX_OUTPUT_LEN; i++) {
-		in_index[i] = (q * i) / p;
-		out_path[i] = (q * i) % p;
-	}
-}
-
-int Resampler::rotate(float *in, size_t in_len, float *out, size_t out_len)
+int Resampler::rotate(const float *in, size_t in_len, float *out, size_t out_len)
 {
 	int n, path;
-	int hist_len = filt_len - 1;
 
 	if (!check_vec_len(in_len, out_len, p, q))
 		return -1;
 
-	if (history_on) {
-		memcpy(&in[-2 * hist_len],
-		       history, hist_len * 2 * sizeof(float));
-	} else {
-		memset(&in[-2 * hist_len], 0,
-		       hist_len * 2 * sizeof(float));
-	}
-
 	/* Generate output from precomputed input/output paths */
 	for (size_t i = 0; i < out_len; i++) {
 		n = in_index[i]; 
 		path = out_path[i]; 
 
 		convolve_real(in, in_len,
-			      partitions[path], filt_len,
-			      &out[2 * i], out_len - i,
+			      reinterpret_cast<float *>(partitions[path]),
+			      filt_len, &out[2 * i], out_len - i,
 			      n, 1, 1, 0);
 	}
 
-	/* Save history */
-	if (history_on) {
-		memcpy(history, &in[2 * (in_len - hist_len)],
-		       hist_len * 2 * sizeof(float));
-	}
-
 	return out_len;
 }
 
 bool Resampler::init(float bw)
 {
-	size_t hist_len = filt_len - 1;
+	if (p == 0 || q == 0 || filt_len == 0) return false;
 
 	/* Filterbank filter internals */
-	if (initFilters(bw) < 0)
-		return false;
-
-	/* History buffer */
-	history = new float[2 * hist_len];
-	memset(history, 0, 2 * hist_len * sizeof(float));
+	initFilters(bw);
 
 	/* Precompute filterbank paths */
-	in_index = new size_t[MAX_OUTPUT_LEN];
-	out_path = new size_t[MAX_OUTPUT_LEN];
-	computePath();
+	int i = 0;
+	for (auto &index : in_index)
+		index = (q * i++) / p;
+	i = 0;
+	for (auto &path : out_path)
+		path = (q * i++) % p;
 
 	return true;
 }
@@ -228,14 +172,8 @@ size_t Resampler::len()
 	return filt_len;
 }
 
-void Resampler::enableHistory(bool on)
-{
-	history_on = on;
-}
-
 Resampler::Resampler(size_t p, size_t q, size_t filt_len)
-	: in_index(NULL), out_path(NULL), partitions(NULL),
-	  history(NULL), history_on(true)
+	: in_index(MAX_OUTPUT_LEN), out_path(MAX_OUTPUT_LEN), partitions(p)
 {
 	this->p = p;
 	this->q = q;
@@ -244,9 +182,6 @@ Resampler::Resampler(size_t p, size_t q, size_t filt_len)
 
 Resampler::~Resampler()
 {
-	releaseFilters();
-
-	delete history;
-	delete in_index;
-	delete out_path;
+	for (auto &part : partitions)
+		free(part);
 }

Transceiver52M/Resampler.h

@@ -20,6 +20,9 @@
 #ifndef _RESAMPLER_H_
 #define _RESAMPLER_H_
 
+#include <vector>
+#include <complex>
+
 class Resampler {
 public:
 	/* Constructor for rational sample rate conversion
@@ -52,32 +55,22 @@ public:
 	 * Input and output vector lengths must of be equal multiples of the
 	 * rational conversion rate denominator and numerator respectively.
 	 */
-	int rotate(float *in, size_t in_len, float *out, size_t out_len);
+	int rotate(const float *in, size_t in_len, float *out, size_t out_len);
 
 	/* Get filter length
 	 *   @return number of taps in each filter partition 
 	 */
 	size_t len();
 
-	/*
-	 * Enable/disable history 
-	 */
-	void enableHistory(bool on);
-
 private:
 	size_t p;
 	size_t q;
 	size_t filt_len;
-	size_t *in_index;
-	size_t *out_path;
+	std::vector<size_t> in_index;
+	std::vector<size_t> out_path;
+	std::vector<std::complex<float> *> partitions;
 
-	float **partitions;
-	float *history;
-	bool history_on;
-
-	bool initFilters(float bw);
-	void releaseFilters();
-	void computePath();
+	void initFilters(float bw);
 };
 
 #endif /* _RESAMPLER_H_ */

Transceiver52M/Synthesis.cpp

@@ -0,0 +1,121 @@
+/*
+ * Polyphase synthesis filter
+ * 
+ * Copyright (C) 2012-2014 Tom Tsou <tom@tsou.cc>
+ * Copyright (C) 2015 Ettus Research LLC
+ *
+ * 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 <stdlib.h>
+#include <math.h>
+#include <assert.h>
+#include <string.h>
+#include <cstdio>
+#include <iostream>
+
+#include "Synthesis.h"
+
+extern "C" {
+#include "fft.h"
+#include "convolve.h"
+}
+
+static void interleave(float **in, size_t ilen,
+		       float *out, size_t m)
+{
+	size_t i, n;
+
+	for (i = 0; i < ilen; i++) {
+		for (n = 0; n < m; n++) {
+			out[2 * (i * m + n) + 0] = in[n][2 * i + 0];
+			out[2 * (i * m + n) + 1] = in[n][2 * i + 1];
+		}
+	}
+}
+
+size_t Synthesis::inputLen() const
+{
+	return blockLen;
+}
+
+size_t Synthesis::outputLen() const
+{
+	return blockLen * m;
+}
+
+float *Synthesis::inputBuffer(size_t chan) const
+{
+	if (chan >= m)
+		return NULL;
+
+	return hOutputs[chan];
+}
+
+bool Synthesis::resetBuffer(size_t chan)
+{
+	if (chan >= m)
+		return false;
+
+	memset(hOutputs[chan], 0, blockLen * 2 * sizeof(float));
+
+	return true;
+}
+
+/* 
+ * Implementation based on material found in:
+ *
+ * "harris, fred, Multirate Signal Processing, Upper Saddle River, NJ,
+ *     Prentice Hall, 2006."
+ */
+bool Synthesis::rotate(float *out, size_t len)
+{
+	size_t hSize = 2 * hLen * sizeof(float);
+
+	if (!checkLen(blockLen, len)) {
+		std::cout << "Length fail" << std::endl;
+		exit(1);
+		return false;
+	}
+
+	cxvec_fft(fftHandle);
+
+	/* 
+	 * Convolve through filterbank while applying and saving sample history 
+	 */
+	for (size_t i = 0; i < m; i++) {
+		memcpy(&hInputs[i][2 * -hLen], hist[i], hSize);
+		memcpy(hist[i], &hInputs[i][2 * (blockLen - hLen)], hSize);
+
+		convolve_real(hInputs[i], blockLen,
+			      subFilters[i], hLen,
+			      hOutputs[i], blockLen,
+			      0, blockLen, 1, 0);
+	}
+
+	/* Interleave into output vector */
+	interleave(hOutputs, blockLen, out, m);
+
+	return true;
+}
+
+Synthesis::Synthesis(size_t m, size_t blockLen, size_t hLen)
+	: ChannelizerBase(m, blockLen, hLen)
+{
+}
+
+Synthesis::~Synthesis()
+{
+}

Transceiver52M/Synthesis.h

@@ -0,0 +1,35 @@
+#ifndef _SYNTHESIS_H_
+#define _SYNTHESIS_H_
+
+#include "ChannelizerBase.h"
+
+class Synthesis : public ChannelizerBase {
+public:
+	/** Constructor for synthesis filterbank
+	    @param m number of physical channels
+	    @param blockLen number of samples per output of each iteration
+	    @param hLen number of taps in each constituent filter path
+	*/
+	Synthesis(size_t m, size_t blockLen, size_t hLen = 16);
+	~Synthesis();
+
+	/* Return required input and output buffer lengths */
+	size_t inputLen() const;
+	size_t outputLen() const;
+
+	/** Rotate "output commutator" and drive samples through filterbank
+	    @param out complex output vector 
+	    @param oLen number of samples in buffer (must match block length * m)
+	    @return false on error and true otherwise
+	*/
+	bool rotate(float *out, size_t oLen);
+
+	/** Get buffer for an input path
+	    @param chan channel number of filterbank
+            @return NULL on error and pointer to buffer otherwise
+	*/
+	float *inputBuffer(size_t chan) const;
+	bool resetBuffer(size_t chan);
+};
+
+#endif /* _SYNTHESIS_H_ */

Transceiver52M/Transceiver.cpp

@@ -35,12 +35,6 @@ using namespace GSM;
 
 #define USB_LATENCY_INTRVL		10,0
 
-#if USE_UHD
-#  define USB_LATENCY_MIN		6,7
-#else
-#  define USB_LATENCY_MIN		1,1
-#endif
-
 /* Number of running values use in noise average */
 #define NOISE_CNT			20
 
@@ -71,7 +65,7 @@ TransceiverState::~TransceiverState()
   }
 }
 
-bool TransceiverState::init(int filler, size_t sps, float scale, size_t rtsc, unsigned rach_delay)
+bool TransceiverState::init(FillerType filler, size_t sps, float scale, size_t rtsc, unsigned rach_delay)
 {
   signalVector *burst;
 
@@ -81,19 +75,19 @@ bool TransceiverState::init(int filler, size_t sps, float scale, size_t rtsc, un
   for (size_t n = 0; n < 8; n++) {
     for (size_t i = 0; i < 102; i++) {
       switch (filler) {
-      case Transceiver::FILLER_DUMMY:
+      case FILLER_DUMMY:
         burst = generateDummyBurst(sps, n);
         break;
-      case Transceiver::FILLER_NORM_RAND:
+      case FILLER_NORM_RAND:
         burst = genRandNormalBurst(rtsc, sps, n);
         break;
-      case Transceiver::FILLER_EDGE_RAND:
+      case FILLER_EDGE_RAND:
         burst = generateEdgeBurst(rtsc);
         break;
-      case Transceiver::FILLER_ACCESS_RAND:
+      case FILLER_ACCESS_RAND:
         burst = genRandAccessBurst(rach_delay, sps, n);
         break;
-      case Transceiver::FILLER_ZERO:
+      case FILLER_ZERO:
       default:
         burst = generateEmptyBurst(sps, n);
       }
@@ -102,9 +96,9 @@ bool TransceiverState::init(int filler, size_t sps, float scale, size_t rtsc, un
       fillerTable[i][n] = burst;
     }
 
-    if ((filler == Transceiver::FILLER_NORM_RAND) ||
-        (filler == Transceiver::FILLER_EDGE_RAND)) {
-        chanType[n] = Transceiver::TSC;
+    if ((filler == FILLER_NORM_RAND) ||
+        (filler == FILLER_EDGE_RAND)) {
+        chanType[n] = TSC;
     }
   }
 
@@ -112,17 +106,18 @@ bool TransceiverState::init(int filler, size_t sps, float scale, size_t rtsc, un
 }
 
 Transceiver::Transceiver(int wBasePort,
-                         const char *wTRXAddress,
+                         const char *TRXAddress,
+                         const char *GSMcoreAddress,
                          size_t tx_sps, size_t rx_sps, size_t chans,
                          GSM::Time wTransmitLatency,
                          RadioInterface *wRadioInterface,
                          double wRssiOffset)
-  : mBasePort(wBasePort), mAddr(wTRXAddress),
-    mClockSocket(wBasePort, wTRXAddress, mBasePort + 100),
+  : mBasePort(wBasePort), mLocalAddr(TRXAddress), mRemoteAddr(GSMcoreAddress),
+    mClockSocket(TRXAddress, wBasePort, GSMcoreAddress, wBasePort + 100),
     mTransmitLatency(wTransmitLatency), mRadioInterface(wRadioInterface),
     rssiOffset(wRssiOffset),
-    mSPSTx(tx_sps), mSPSRx(rx_sps), mChans(chans), mOn(false),
-    mTxFreq(0.0), mRxFreq(0.0), mTSC(0), mMaxExpectedDelayAB(2*rx_sps), mMaxExpectedDelayNB(2*rx_sps),
+    mSPSTx(tx_sps), mSPSRx(rx_sps), mChans(chans), mEdge(false), mOn(false), mForceClockInterface(false),
+    mTxFreq(0.0), mRxFreq(0.0), mTSC(0), mMaxExpectedDelayAB(0), mMaxExpectedDelayNB(0),
     mWriteBurstToDiskMask(0)
 {
   txFullScale = mRadioInterface->fullScaleInputValue();
@@ -160,7 +155,7 @@ Transceiver::~Transceiver()
  * are still expected to report clock indications through control channel
  * activity.
  */
-bool Transceiver::init(int filler, size_t rtsc, unsigned rach_delay)
+bool Transceiver::init(FillerType filler, size_t rtsc, unsigned rach_delay, bool edge)
 {
   int d_srcport, d_dstport, c_srcport, c_dstport;
 
@@ -174,6 +169,8 @@ bool Transceiver::init(int filler, size_t rtsc, unsigned rach_delay)
     return false;
   }
 
+  mEdge = edge;
+
   mDataSockets.resize(mChans);
   mCtrlSockets.resize(mChans);
   mControlServiceLoopThreads.resize(mChans);
@@ -195,8 +192,8 @@ bool Transceiver::init(int filler, size_t rtsc, unsigned rach_delay)
     d_srcport = mBasePort + 2 * i + 2;
     d_dstport = mBasePort + 2 * i + 102;
 
-    mCtrlSockets[i] = new UDPSocket(c_srcport, mAddr.c_str(), c_dstport);
-    mDataSockets[i] = new UDPSocket(d_srcport, mAddr.c_str(), d_dstport);
+    mCtrlSockets[i] = new UDPSocket(mLocalAddr.c_str(), c_srcport, mRemoteAddr.c_str(), c_dstport);
+    mDataSockets[i] = new UDPSocket(mLocalAddr.c_str(), d_srcport, mRemoteAddr.c_str(), d_dstport);
   }
 
   /* Randomize the central clock */
@@ -271,7 +268,7 @@ bool Transceiver::start()
                             TxUpperLoopAdapter, (void*) chan);
   }
 
-  writeClockInterface();
+  mForceClockInterface = true;
   mOn = true;
   return true;
 }
@@ -295,6 +292,10 @@ void Transceiver::stop()
   LOG(NOTICE) << "Stopping the transceiver";
   mTxLowerLoopThread->cancel();
   mRxLowerLoopThread->cancel();
+  mTxLowerLoopThread->join();
+  mRxLowerLoopThread->join();
+  delete mTxLowerLoopThread;
+  delete mRxLowerLoopThread;
 
   for (size_t i = 0; i < mChans; i++) {
     mRxServiceLoopThreads[i]->cancel();
@@ -313,11 +314,6 @@ void Transceiver::stop()
     mTxPriorityQueues[i].clear();
   }
 
-  mTxLowerLoopThread->join();
-  mRxLowerLoopThread->join();
-  delete mTxLowerLoopThread;
-  delete mRxLowerLoopThread;
-
   mOn = false;
   LOG(NOTICE) << "Transceiver stopped";
 }
@@ -377,7 +373,8 @@ void Transceiver::pushRadioVector(GSM::Time &nowTime)
     state = &mStates[i];
 
     while ((burst = mTxPriorityQueues[i].getStaleBurst(nowTime))) {
-      LOG(NOTICE) << "dumping STALE burst in TRX->USRP interface";
+      LOG(NOTICE) << "chan " << i << " dumping STALE burst in TRX->USRP interface ("
+                  << burst->getTime() <<" vs " << nowTime << "), retrans=" << state->mRetrans;
       if (state->mRetrans)
         updateFillerTable(i, burst);
       delete burst;
@@ -428,7 +425,7 @@ void Transceiver::setModulus(size_t timeslot, size_t chan)
   case V:
     state->fillerModulus[timeslot] = 51;
     break;
-    //case V: 
+    //case V:
   case VII:
     state->fillerModulus[timeslot] = 102;
     break;
@@ -441,8 +438,8 @@ void Transceiver::setModulus(size_t timeslot, size_t chan)
 }
 
 
-Transceiver::CorrType Transceiver::expectedCorrType(GSM::Time currTime,
-                                                    size_t chan)
+CorrType Transceiver::expectedCorrType(GSM::Time currTime,
+                                       size_t chan)
 {
   static int tchh_subslot[26] = { 0,1,0,1,0,1,0,1,0,1,0,1,0,0,1,0,1,0,1,0,1,0,1,0,1,1 };
   static int sdcch4_subslot[102] = { 3,3,3,3,0,0,2,2,2,2,3,3,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,2,2,2,2,
@@ -531,51 +528,6 @@ Transceiver::CorrType Transceiver::expectedCorrType(GSM::Time currTime,
   }
 }
 
-int Transceiver::detectBurst(signalVector &burst,
-                             complex &amp, float &toa, CorrType type)
-{
-  float threshold = 5.0, rc = 0;
-
-  switch (type) {
-  case EDGE:
-    rc = detectEdgeBurst(burst, mTSC, threshold, mSPSRx,
-                         amp, toa, mMaxExpectedDelayNB);
-    if (rc > 0)
-      break;
-    else
-      type = TSC;
-  case TSC:
-    rc = analyzeTrafficBurst(burst, mTSC, threshold, mSPSRx,
-                             amp, toa, mMaxExpectedDelayNB);
-    break;
-  case RACH:
-    threshold = 6.0;
-    rc = detectRACHBurst(burst, threshold, mSPSRx, amp, toa,
-                         mMaxExpectedDelayAB);
-    break;
-  default:
-    LOG(ERR) << "Invalid correlation type";
-  }
-
-  if (rc > 0)
-    return type;
-
-  return rc;
-}
-
-
-/*
- * Demodulate GMSK by direct rotation and soft slicing.
- */
-SoftVector *Transceiver::demodulate(signalVector &burst, complex amp,
-                                    float toa, CorrType type)
-{
-  if (type == EDGE)
-	  return demodEdgeBurst(burst, mSPSRx, amp, toa);
-
-  return demodulateBurst(burst, mSPSRx, amp, toa);
-}
-
 void writeToFile(radioVector *radio_burst, size_t chan)
 {
   GSM::Time time = radio_burst->getTime();
@@ -588,7 +540,7 @@ void writeToFile(radioVector *radio_burst, size_t chan)
 
 /*
  * Pull bursts from the FIFO and handle according to the slot
- * and burst correlation type. Equalzation is currently disabled. 
+ * and burst correlation type. Equalzation is currently disabled.
  */
 SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime, double &RSSI, bool &isRssiValid,
                                          double &timingOffset, double &noise,
@@ -596,7 +548,7 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime, double &RSSI, bool &i
 {
   int rc;
   complex amp;
-  float toa, pow, max = -1.0, avg = 0.0;
+  float toa, max = -1.0, avg = 0.0;
   int max_i = -1;
   signalVector *burst;
   SoftVector *bits = NULL;
@@ -612,6 +564,10 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime, double &RSSI, bool &i
   GSM::Time time = radio_burst->getTime();
   CorrType type = expectedCorrType(time, chan);
 
+  /* Enable 8-PSK burst detection if EDGE is enabled */
+  if (mEdge && (type == TSC))
+    type = EDGE;
+
   /* Debug: dump bursts to disk */
   /* bits 0-7  - chan 0 timeslots
    * bits 8-15 - chan 1 timeslots */
@@ -627,7 +583,7 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime, double &RSSI, bool &i
 
   /* Select the diversity channel with highest energy */
   for (size_t i = 0; i < radio_burst->chans(); i++) {
-    energyDetect(*radio_burst->getVector(i), 20 * mSPSRx, 0.0, &pow);
+    float pow = energyDetect(*radio_burst->getVector(i), 20 * mSPSRx);
     if (pow > max) {
       max = pow;
       max_i = i;
@@ -665,7 +621,8 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime, double &RSSI, bool &i
   }
 
   /* Detect normal or RACH bursts */
-  rc = detectBurst(*burst, amp, toa, type);
+  rc = detectAnyBurst(*burst, mTSC, BURST_THRESH, mSPSRx, type, amp, toa,
+                      (type==RACH)?mMaxExpectedDelayAB:mMaxExpectedDelayNB);
 
   if (rc > 0) {
     type = (CorrType) rc;
@@ -680,9 +637,9 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime, double &RSSI, bool &i
     return NULL;
   }
 
-  timingOffset = toa / mSPSRx;
+  timingOffset = toa;
 
-  bits = demodulate(*burst, amp, toa, type);
+  bits = demodAnyBurst(*burst, mSPSRx, amp, toa, type);
 
   delete radio_burst;
   return bits;
@@ -694,87 +651,113 @@ void Transceiver::reset()
     mTxPriorityQueues[i].clear();
 }
 
-  
-void Transceiver::driveControl(size_t chan)
+
+#define MAX_PACKET_LENGTH 100
+
+/**
+ * Matches a buffer with a command.
+ * @param  buf    a buffer to look command in
+ * @param  cmd    a command to look in buffer
+ * @param  params pointer to arguments, or NULL
+ * @return        true if command matches, otherwise false
+ */
+static bool match_cmd(char *buf,
+  const char *cmd, char **params)
 {
-  int MAX_PACKET_LENGTH = 100;
+  size_t cmd_len = strlen(cmd);
 
-  // check control socket
-  char buffer[MAX_PACKET_LENGTH];
-  int msgLen = -1;
-  buffer[0] = '\0';
+  /* Check a command itself */
+  if (strncmp(buf, cmd, cmd_len))
+    return false;
 
-  msgLen = mCtrlSockets[chan]->read(buffer, sizeof(buffer));
+  /* A command has arguments */
+  if (params != NULL) {
+    /* Make sure there is a space */
+    if (buf[cmd_len] != ' ')
+      return false;
 
-  if (msgLen < 1) {
-    return;
+    /* Update external pointer */
+    *params = buf + cmd_len + 1;
   }
 
-  char cmdcheck[4];
-  char command[MAX_PACKET_LENGTH];
-  char response[MAX_PACKET_LENGTH];
+  return true;
+}
 
-  sscanf(buffer,"%3s %s",cmdcheck,command);
+void Transceiver::driveControl(size_t chan)
+{
+  char buffer[MAX_PACKET_LENGTH + 1];
+  char response[MAX_PACKET_LENGTH + 1];
+  char *command, *params;
+  int msgLen;
 
-  if (!chan)
-    writeClockInterface();
+  /* Attempt to read from control socket */
+  msgLen = mCtrlSockets[chan]->read(buffer, MAX_PACKET_LENGTH);
+  if (msgLen < 1)
+    return;
 
-  if (strcmp(cmdcheck,"CMD")!=0) {
+  /* Zero-terminate received string */
+  buffer[msgLen] = '\0';
+
+  /* Verify a command signature */
+  if (strncmp(buffer, "CMD ", 4)) {
     LOG(WARNING) << "bogus message on control interface";
     return;
   }
-  LOG(INFO) << "command is " << buffer;
 
-  if (strcmp(command,"POWEROFF")==0) {
+  /* Set command pointer */
+  command = buffer + 4;
+  LOG(INFO) << "command is " << command;
+
+  if (match_cmd(command, "POWEROFF", NULL)) {
     stop();
     sprintf(response,"RSP POWEROFF 0");
-  }
-  else if (strcmp(command,"POWERON")==0) {
-    if (!start())
+  } else if (match_cmd(command, "POWERON", NULL)) {
+    if (!start()) {
       sprintf(response,"RSP POWERON 1");
-    else
+    } else {
       sprintf(response,"RSP POWERON 0");
       for (int i = 0; i < 8; i++) {
         for (int j = 0; j < 8; j++)
           mHandover[i][j] = false;
       }
-  }
-  else if (strcmp(command,"HANDOVER")==0){
-    int ts=0,ss=0;
-    sscanf(buffer,"%3s %s %d %d",cmdcheck,command,&ts,&ss);
-    mHandover[ts][ss] = true;
-    LOG(WARNING) << "HANDOVER RACH at timeslot " << ts << " subslot " << ss;
-    sprintf(response,"RSP HANDOVER 0 %d %d",ts,ss);
-  }
-  else if (strcmp(command,"NOHANDOVER")==0){
-    int ts=0,ss=0;
-    sscanf(buffer,"%3s %s %d %d",cmdcheck,command,&ts,&ss);
-    mHandover[ts][ss] = false;
-    LOG(WARNING) << "NOHANDOVER at timeslot " << ts << " subslot " << ss;
-    sprintf(response,"RSP NOHANDOVER 0 %d %d",ts,ss);
-  }
-  else if (strcmp(command,"SETMAXDLY")==0) {
+    }
+  } else if (match_cmd(command, "HANDOVER", &params)) {
+    unsigned ts = 0, ss = 0;
+    sscanf(params, "%u %u", &ts, &ss);
+    if (ts > 7 || ss > 7) {
+      sprintf(response, "RSP NOHANDOVER 1 %u %u", ts, ss);
+    } else {
+      mHandover[ts][ss] = true;
+      sprintf(response, "RSP HANDOVER 0 %u %u", ts, ss);
+    }
+  } else if (match_cmd(command, "NOHANDOVER", &params)) {
+    unsigned ts = 0, ss = 0;
+    sscanf(params, "%u %u", &ts, &ss);
+    if (ts > 7 || ss > 7) {
+      sprintf(response, "RSP NOHANDOVER 1 %u %u", ts, ss);
+    } else {
+      mHandover[ts][ss] = false;
+      sprintf(response, "RSP NOHANDOVER 0 %u %u", ts, ss);
+    }
+  } else if (match_cmd(command, "SETMAXDLY", &params)) {
     //set expected maximum time-of-arrival
     int maxDelay;
-    sscanf(buffer,"%3s %s %d",cmdcheck,command,&maxDelay);
+    sscanf(params, "%d", &maxDelay);
     mMaxExpectedDelayAB = maxDelay; // 1 GSM symbol is approx. 1 km
     sprintf(response,"RSP SETMAXDLY 0 %d",maxDelay);
-  }
-  else if (strcmp(command,"SETMAXDLYNB")==0) {
+  } else if (match_cmd(command, "SETMAXDLYNB", &params)) {
     //set expected maximum time-of-arrival
     int maxDelay;
-    sscanf(buffer,"%3s %s %d",cmdcheck,command,&maxDelay);
+    sscanf(params, "%d", &maxDelay);
     mMaxExpectedDelayNB = maxDelay; // 1 GSM symbol is approx. 1 km
     sprintf(response,"RSP SETMAXDLYNB 0 %d",maxDelay);
-  }
-  else if (strcmp(command,"SETRXGAIN")==0) {
+  } else if (match_cmd(command, "SETRXGAIN", &params)) {
     //set expected maximum time-of-arrival
     int newGain;
-    sscanf(buffer,"%3s %s %d",cmdcheck,command,&newGain);
+    sscanf(params, "%d", &newGain);
     newGain = mRadioInterface->setRxGain(newGain, chan);
     sprintf(response,"RSP SETRXGAIN 0 %d",newGain);
-  }
-  else if (strcmp(command,"NOISELEV")==0) {
+  } else if (match_cmd(command, "NOISELEV", NULL)) {
     if (mOn) {
       float lev = mStates[chan].mNoiseLev;
       sprintf(response,"RSP NOISELEV 0 %d",
@@ -783,26 +766,23 @@ void Transceiver::driveControl(size_t chan)
     else {
       sprintf(response,"RSP NOISELEV 1  0");
     }
-  }
-  else if (!strcmp(command, "SETPOWER")) {
+  } else if (match_cmd(command, "SETPOWER", &params)) {
     int power;
-    sscanf(buffer, "%3s %s %d", cmdcheck, command, &power);
+    sscanf(params, "%d", &power);
     power = mRadioInterface->setPowerAttenuation(power, chan);
     mStates[chan].mPower = power;
     sprintf(response, "RSP SETPOWER 0 %d", power);
-  }
-  else if (!strcmp(command,"ADJPOWER")) {
+  } else if (match_cmd(command, "ADJPOWER", &params)) {
     int power, step;
-    sscanf(buffer, "%3s %s %d", cmdcheck, command, &step);
+    sscanf(params, "%d", &step);
     power = mStates[chan].mPower + step;
     power = mRadioInterface->setPowerAttenuation(power, chan);
     mStates[chan].mPower = power;
     sprintf(response, "RSP ADJPOWER 0 %d", power);
-  }
-  else if (strcmp(command,"RXTUNE")==0) {
+  } else if (match_cmd(command, "RXTUNE", &params)) {
     // tune receiver
     int freqKhz;
-    sscanf(buffer,"%3s %s %d",cmdcheck,command,&freqKhz);
+    sscanf(params, "%d", &freqKhz);
     mRxFreq = freqKhz * 1e3;
     if (!mRadioInterface->tuneRx(mRxFreq, chan)) {
        LOG(ALERT) << "RX failed to tune";
@@ -810,11 +790,10 @@ void Transceiver::driveControl(size_t chan)
     }
     else
        sprintf(response,"RSP RXTUNE 0 %d",freqKhz);
-  }
-  else if (strcmp(command,"TXTUNE")==0) {
+  } else if (match_cmd(command, "TXTUNE", &params)) {
     // tune txmtr
     int freqKhz;
-    sscanf(buffer,"%3s %s %d",cmdcheck,command,&freqKhz);
+    sscanf(params, "%d", &freqKhz);
     mTxFreq = freqKhz * 1e3;
     if (!mRadioInterface->tuneTx(mTxFreq, chan)) {
        LOG(ALERT) << "TX failed to tune";
@@ -822,44 +801,38 @@ void Transceiver::driveControl(size_t chan)
     }
     else
        sprintf(response,"RSP TXTUNE 0 %d",freqKhz);
-  }
-  else if (!strcmp(command,"SETTSC")) {
+  } else if (match_cmd(command, "SETTSC", &params)) {
     // set TSC
     unsigned TSC;
-    sscanf(buffer, "%3s %s %d", cmdcheck, command, &TSC);
-    if (mOn || (TSC < 0) || (TSC > 7))
+    sscanf(params, "%u", &TSC);
+    if (TSC > 7) {
       sprintf(response, "RSP SETTSC 1 %d", TSC);
-    else if (chan && (TSC != mTSC))
-      sprintf(response, "RSP SETTSC 1 %d", TSC);
-    else {
+    } else {
+      LOG(NOTICE) << "Changing TSC from " << mTSC << " to " << TSC;
       mTSC = TSC;
       sprintf(response,"RSP SETTSC 0 %d", TSC);
     }
-  }
-  else if (strcmp(command,"SETSLOT")==0) {
+  } else if (match_cmd(command, "SETSLOT", &params)) {
     // set slot type
     int  corrCode;
     int  timeslot;
-    sscanf(buffer,"%3s %s %d %d",cmdcheck,command,&timeslot,&corrCode);
+    sscanf(params, "%d %d", &timeslot, &corrCode);
     if ((timeslot < 0) || (timeslot > 7)) {
       LOG(WARNING) << "bogus message on control interface";
       sprintf(response,"RSP SETSLOT 1 %d %d",timeslot,corrCode);
       return;
-    }     
+    }
     mStates[chan].chanType[timeslot] = (ChannelCombination) corrCode;
     setModulus(timeslot, chan);
     sprintf(response,"RSP SETSLOT 0 %d %d",timeslot,corrCode);
-
-  }
-  else if (strcmp(command,"_SETBURSTTODISKMASK")==0) {
+  } else if (match_cmd(command, "_SETBURSTTODISKMASK", &params)) {
     // debug command! may change or disapear without notice
     // set a mask which bursts to dump to disk
     int mask;
-    sscanf(buffer,"%3s %s %d",cmdcheck,command,&mask);
+    sscanf(params, "%d", &mask);
     mWriteBurstToDiskMask = mask;
     sprintf(response,"RSP _SETBURSTTODISKMASK 0 %d",mask);
-  }
-  else {
+  } else {
     LOG(WARNING) << "bogus command " << command << " on control interface.";
     sprintf(response,"RSP ERR 1");
   }
@@ -869,12 +842,20 @@ void Transceiver::driveControl(size_t chan)
 
 bool Transceiver::driveTxPriorityQueue(size_t chan)
 {
-  char buffer[gSlotLen+50];
+  int burstLen;
+  char buffer[EDGE_BURST_NBITS + 50];
 
   // check data socket
   size_t msgLen = mDataSockets[chan]->read(buffer, sizeof(buffer));
 
-  if (msgLen!=gSlotLen+1+4+1) {
+  if (msgLen == gSlotLen + 1 + 4 + 1) {
+    burstLen = gSlotLen;
+  } else if (msgLen == EDGE_BURST_NBITS + 1 + 4 + 1) {
+    if (mSPSTx != 4)
+      return false;
+
+    burstLen = EDGE_BURST_NBITS;
+  } else {
     LOG(ERR) << "badly formatted packet on GSM->TRX interface";
     return false;
   }
@@ -885,14 +866,14 @@ bool Transceiver::driveTxPriorityQueue(size_t chan)
     frameNum = (frameNum << 8) | (0x0ff & buffer[i+1]);
 
   LOG(DEBUG) << "rcvd. burst at: " << GSM::Time(frameNum,timeSlot);
-  
+
   int RSSI = (int) buffer[5];
-  static BitVector newBurst(gSlotLen);
+  BitVector newBurst(burstLen);
   BitVector::iterator itr = newBurst.begin();
   char *bufferItr = buffer+6;
-  while (itr < newBurst.end()) 
+  while (itr < newBurst.end())
     *itr++ = *bufferItr++;
-  
+
   GSM::Time currTime = GSM::Time(frameNum,timeSlot);
 
   addRadioVector(chan, newBurst, RSSI, currTime);
@@ -906,9 +887,9 @@ void Transceiver::driveReceiveRadio()
 {
   if (!mRadioInterface->driveReceiveRadio()) {
     usleep(100000);
-  } else {
-    if (mTransmitDeadlineClock > mLastClockUpdateTime + GSM::Time(216,0))
-      writeClockInterface();
+  } else if (mForceClockInterface || mTransmitDeadlineClock > mLastClockUpdateTime + GSM::Time(216,0)) {
+    mForceClockInterface = false;
+    writeClockInterface();
   }
 }
 
@@ -942,6 +923,9 @@ void Transceiver::driveReceiveFIFO(size_t chan)
   if (!rxBurst)
     return;
 
+  // Convert -1..+1 soft bits to 0..1 soft bits
+  vectorSlicer(rxBurst);
+
   /*
    * EDGE demodulator returns 444 (148 * 3) bits
    */
@@ -975,7 +959,7 @@ void Transceiver::driveTxFIFO()
 {
 
   /**
-      Features a carefully controlled latency mechanism, to 
+      Features a carefully controlled latency mechanism, to
       assure that transmit packets arrive at the radio/USRP
       before they need to be transmitted.
 
@@ -986,7 +970,7 @@ void Transceiver::driveTxFIFO()
 
 
   RadioClock *radioClock = (mRadioInterface->getClock());
-  
+
   if (mOn) {
     //radioClock->wait(); // wait until clock updates
     LOG(DEBUG) << "radio clock " << radioClock->get();
@@ -1005,7 +989,7 @@ void Transceiver::driveTxFIFO()
         else {
           // if underrun hasn't occurred in the last sec (216 frames) drop
           //    transmit latency by a timeslot
-          if (mTransmitLatency > GSM::Time(USB_LATENCY_MIN)) {
+          if (mTransmitLatency > mRadioInterface->minLatency()) {
               if (radioClock->get() > mLatencyUpdateTime + GSM::Time(216,0)) {
               mTransmitLatency.decTN();
               LOG(INFO) << "reduced latency: " << mTransmitLatency;

Transceiver52M/Transceiver.h

@@ -30,6 +30,10 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 
+extern "C" {
+#include "config_defs.h"
+}
+
 class Transceiver;
 
 /** Channel descriptor for transceiver object and channel number pair */
@@ -54,7 +58,7 @@ struct TransceiverState {
   ~TransceiverState();
 
   /* Initialize a multiframe slot in the filler table */
-  bool init(int filler, size_t sps, float scale, size_t rtsc, unsigned rach_delay);
+  bool init(FillerType filler, size_t sps, float scale, size_t rtsc, unsigned rach_delay);
 
   int chanType[8];
 
@@ -89,15 +93,17 @@ struct TransceiverState {
 /** The Transceiver class, responsible for physical layer of basestation */
 class Transceiver {
 public:
-  /** Transceiver constructor 
+  /** Transceiver constructor
       @param wBasePort base port number of UDP sockets
-      @param TRXAddress IP address of the TRX manager, as a string
+      @param TRXAddress IP address of the TRX, as a string
+      @param GSMcoreAddress IP address of the GSM core, as a string
       @param wSPS number of samples per GSM symbol
       @param wTransmitLatency initial setting of transmit latency
       @param radioInterface associated radioInterface object
   */
   Transceiver(int wBasePort,
               const char *TRXAddress,
+              const char *GSMcoreAddress,
               size_t tx_sps, size_t rx_sps, size_t chans,
               GSM::Time wTransmitLatency,
               RadioInterface *wRadioInterface,
@@ -107,7 +113,7 @@ public:
   ~Transceiver();
 
   /** Start the control loop */
-  bool init(int filler, size_t rtsc, unsigned rach_delay);
+  bool init(FillerType filler, size_t rtsc, unsigned rach_delay, bool edge);
 
   /** attach the radioInterface receive FIFO */
   bool receiveFIFO(VectorFIFO *wFIFO, size_t chan)
@@ -142,26 +148,10 @@ public:
     LOOPBACK            ///< similar go VII, used in loopback testing
   } ChannelCombination;
 
-  /** Codes for burst types of received bursts*/
-  typedef enum {
-    OFF,               ///< timeslot is off
-    TSC,	       ///< timeslot should contain a normal burst
-    RACH,	       ///< timeslot should contain an access burst
-    EDGE,	       ///< timeslot should contain an EDGE burst
-    IDLE	       ///< timeslot is an idle (or dummy) burst
-  } CorrType;
-
-  enum FillerType {
-    FILLER_DUMMY,
-    FILLER_ZERO,
-    FILLER_NORM_RAND,
-    FILLER_EDGE_RAND,
-    FILLER_ACCESS_RAND,
-  };
-
 private:
   int mBasePort;
-  std::string mAddr;
+  std::string mLocalAddr;
+  std::string mRemoteAddr;
 
   std::vector<UDPSocket *> mDataSockets;  ///< socket for writing to/reading from GSM core
   std::vector<UDPSocket *> mCtrlSockets;  ///< socket for writing/reading control commands from GSM core
@@ -178,7 +168,7 @@ private:
 
   GSM::Time mTransmitLatency;             ///< latency between basestation clock and transmit deadline clock
   GSM::Time mLatencyUpdateTime;           ///< last time latency was updated
-  GSM::Time mTransmitDeadlineClock;       ///< deadline for pushing bursts into transmit FIFO 
+  GSM::Time mTransmitDeadlineClock;       ///< deadline for pushing bursts into transmit FIFO
   GSM::Time mLastClockUpdateTime;         ///< last time clock update was sent up to core
 
   RadioInterface *mRadioInterface;	  ///< associated radioInterface object
@@ -211,19 +201,13 @@ private:
   /** send messages over the clock socket */
   void writeClockInterface(void);
 
-  /** Detectbursts */
-  int detectBurst(signalVector &burst,
-                  complex &amp, float &toa, CorrType type);
-
-  /** Demodulate burst and output soft bits */
-  SoftVector *demodulate(signalVector &burst,
-                         complex amp, float toa, CorrType type);
-
   int mSPSTx;                          ///< number of samples per Tx symbol
   int mSPSRx;                          ///< number of samples per Rx symbol
   size_t mChans;
 
+  bool mEdge;
   bool mOn;	                           ///< flag to indicate that transceiver is powered on
+  bool mForceClockInterface;           ///< flag to indicate whether IND CLOCK shall be sent unconditionally after transceiver is started
   bool mHandover[8][8];                ///< expect handover to the timeslot/subslot
   double mTxFreq;                      ///< the transmit frequency
   double mRxFreq;                      ///< the receive frequency
@@ -291,4 +275,3 @@ void *ControlServiceLoopAdapter(TransceiverChannel *);
 
 /** transmit queueing thread loop */
 void *TxUpperLoopAdapter(TransceiverChannel *);
-

Transceiver52M/arch/Makefile.am

@@ -0,0 +1,8 @@
+include $(top_srcdir)/Makefile.common
+
+SUBDIRS = common
+if ARCH_ARM
+SUBDIRS += arm
+else
+SUBDIRS += x86
+endif

Transceiver52M/arch/arm/Makefile.am

@@ -1,17 +1,17 @@
-if ARCH_ARM
 if ARCH_ARM_A15
 ARCH_FLAGS = -mfpu=neon-vfpv4
 else
 ARCH_FLAGS = -mfpu=neon
 endif
 
-AM_CFLAGS = -Wall $(ARCH_FLAGS) -std=gnu99 -I../common
+AM_CFLAGS = -Wall $(ARCH_FLAGS) -std=gnu99 -I${srcdir}/../common
 AM_CCASFLAGS = $(ARCH_FLAGS)
 
 noinst_LTLIBRARIES = libarch.la
 
+libarch_la_LIBADD = $(top_builddir)/Transceiver52M/arch/common/libarch_common.la
+
 libarch_la_SOURCES = \
-	../common/convolve_base.c \
 	convert.c \
 	convert_neon.S \
 	convolve.c \
@@ -20,4 +20,3 @@ libarch_la_SOURCES = \
 	scale_neon.S \
 	mult.c \
 	mult_neon.S
-endif

Transceiver52M/arch/arm/convert.c

@@ -28,19 +28,9 @@
 void neon_convert_ps_si16_4n(short *, const float *, const float *, int);
 void neon_convert_si16_ps_4n(float *, const short *, int);
 
-#ifndef HAVE_NEON
-static void convert_si16_ps(float *out, const short *in, int len)
-{
-	for (int i = 0; i < len; i++)
-		out[i] = in[i];
+void convert_init(void) {
 }
 
-static void convert_ps_si16(short *out, const float *in, float scale, int len)
-{
-	for (int i = 0; i < len; i++)
-		out[i] = in[i] * scale;
-}
-#else
 /* 4*N 16-bit signed integer conversion with remainder */
 static void neon_convert_si16_ps(float *out,
 				 const short *in,
@@ -67,7 +57,6 @@ static void neon_convert_ps_si16(short *out,
 	for (int i = 0; i < len % 4; i++)
 		out[start + i] = (short) (in[start + i] * (*scale));
 }
-#endif
 
 void convert_float_short(short *out, const float *in, float scale, int len)
 {
@@ -79,7 +68,7 @@ void convert_float_short(short *out, const float *in, float scale, int len)
 	else
 		neon_convert_ps_si16_4n(out, in, q, len >> 2);
 #else
-	convert_ps_si16(out, in, scale, len);
+	base_convert_float_short(out, in, scale, len);
 #endif
 }
 
@@ -91,6 +80,6 @@ void convert_short_float(float *out, const short *in, int len)
 	else
 		neon_convert_si16_ps_4n(out, in, len >> 2);
 #else
-	convert_si16_ps(out, in, len);
+	base_convert_short_float(out, in, len);
 #endif
 }

Transceiver52M/arch/arm/convolve.c

@@ -58,6 +58,13 @@ static void neon_conv_cmplx_4n(float *x, float *h, float *y, int h_len, int len)
 }
 #endif
 
+/* API: Initalize convolve module */
+void convolve_init(void)
+{
+	/* Stub */
+	return;
+}
+
 /* API: Aligned complex-real */
 int convolve_real(float *x, int x_len,
 		  float *h, int h_len,

Transceiver52M/arch/common/Makefile.am

@@ -0,0 +1,15 @@
+AM_CFLAGS = -Wall -std=gnu99
+
+noinst_LTLIBRARIES = libarch_common.la
+
+noinst_HEADERS = \
+        convolve.h \
+        convert.h \
+        scale.h \
+        mult.h \
+        fft.h
+
+libarch_common_la_SOURCES = \
+        convolve_base.c \
+        convert_base.c \
+        fft.c

Transceiver52M/arch/common/convert.h

@@ -2,6 +2,14 @@
 #define _CONVERT_H_
 
 void convert_float_short(short *out, const float *in, float scale, int len);
+
 void convert_short_float(float *out, const short *in, int len);
 
+void base_convert_float_short(short *out, const float *in,
+			      float scale, int len);
+
+void base_convert_short_float(float *out, const short *in, int len);
+
+void convert_init(void);
+
 #endif /* _CONVERT_H_ */

Transceiver52M/arch/common/convert_base.c

@@ -0,0 +1,34 @@
+/*
+ * Conversion
+ * Copyright (C) 2012, 2013 Thomas Tsou <tom@tsou.cc>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "convert.h"
+
+void base_convert_float_short(short *out, const float *in,
+			      float scale, int len)
+{
+	for (int i = 0; i < len; i++)
+		out[i] = in[i] * scale;
+}
+
+void base_convert_short_float(float *out, const short *in, int len)
+{
+	for (int i = 0; i < len; i++)
+		out[i] = in[i];
+}
+

Transceiver52M/arch/common/convolve.h

@@ -27,4 +27,6 @@ int base_convolve_complex(const float *x, int x_len,
 			  int start, int len,
 			  int step, int offset);
 
+void convolve_init(void);
+
 #endif /* _CONVOLVE_H_ */

Transceiver52M/arch/common/fft.c

@@ -0,0 +1,112 @@
+/*
+ * Fast Fourier transform 
+ *
+ * Copyright (C) 2012 Tom Tsou <tom@tsou.cc>
+ * 
+ * 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 <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <fftw3.h>
+
+#include "fft.h"
+
+struct fft_hdl {
+	float *fft_in;
+	float *fft_out;
+	int len;
+	fftwf_plan fft_plan;
+};
+
+/*! \brief Initialize FFT backend 
+ *  \param[in] reverse FFT direction
+ *  \param[in] m FFT length 
+ *  \param[in] istride input stride count
+ *  \param[in] ostride output stride count
+ *  \param[in] in input buffer (FFTW aligned)
+ *  \param[in] out output buffer (FFTW aligned)
+ *  \param[in] ooffset initial offset into output buffer
+ *
+ * If the reverse is non-NULL, then an inverse FFT will be used. This is a
+ * wrapper for advanced non-contiguous FFTW usage. See FFTW documentation for
+ * further details.
+ *
+ *   http://www.fftw.org/doc/Advanced-Complex-DFTs.html
+ *
+ * It is currently unknown how the offset of the output buffer affects FFTW
+ * memory alignment.
+ */
+struct fft_hdl *init_fft(int reverse, int m, int istride, int ostride,
+			 float *in, float *out, int ooffset)
+{
+	int rank = 1;
+	int n[] = { m };
+	int howmany = istride;
+	int idist = 1;
+	int odist = 1;
+	int *inembed = n;
+	int *onembed = n;
+	fftwf_complex *obuffer, *ibuffer;
+
+	struct fft_hdl *hdl = (struct fft_hdl *) malloc(sizeof(struct fft_hdl));
+	if (!hdl)
+		return NULL;
+
+	int direction = FFTW_FORWARD;
+	if (reverse)
+		direction = FFTW_BACKWARD;
+
+	ibuffer = (fftwf_complex *) in;
+	obuffer = (fftwf_complex *) out + ooffset;
+
+	hdl->fft_in = in;
+	hdl->fft_out = out;
+	hdl->fft_plan = fftwf_plan_many_dft(rank, n, howmany,
+					    ibuffer, inembed, istride, idist,
+					    obuffer, onembed, ostride, odist,
+					    direction, FFTW_MEASURE);
+	return hdl;
+}
+
+void *fft_malloc(size_t size)
+{
+	return fftwf_malloc(size);
+}
+
+void fft_free(void *ptr)
+{
+	free(ptr);
+}
+
+/*! \brief Free FFT backend resources 
+ */
+void free_fft(struct fft_hdl *hdl)
+{
+	fftwf_destroy_plan(hdl->fft_plan);
+	free(hdl);
+}
+
+/*! \brief Run multiple DFT operations with the initialized plan
+ *  \param[in] hdl handle to an intitialized fft struct
+ *
+ * Input and output buffers are configured with init_fft().
+ */
+int cxvec_fft(struct fft_hdl *hdl)
+{
+	fftwf_execute(hdl->fft_plan);
+	return 0;
+}

Transceiver52M/arch/common/fft.h

@@ -0,0 +1,13 @@
+#ifndef _FFT_H_
+#define _FFT_H_
+
+struct fft_hdl;
+
+struct fft_hdl *init_fft(int reverse, int m, int istride, int ostride,
+			 float *in, float *out, int ooffset);
+void *fft_malloc(size_t size);
+void fft_free(void *ptr);
+void free_fft(struct fft_hdl *hdl);
+int cxvec_fft(struct fft_hdl *hdl);
+
+#endif /* _FFT_H_ */

Transceiver52M/arch/x86/Makefile.am

@@ -0,0 +1,33 @@
+AM_CFLAGS = -Wall -std=gnu99 -I${srcdir}/../common
+
+noinst_LTLIBRARIES = libarch.la
+noinst_LTLIBRARIES += libarch_sse_3.la
+noinst_LTLIBRARIES += libarch_sse_4_1.la
+
+noinst_HEADERS = \
+	convert_sse_3.h \
+	convert_sse_4_1.h \
+	convolve_sse_3.h
+
+libarch_la_LIBADD = $(top_builddir)/Transceiver52M/arch/common/libarch_common.la
+
+# SSE 3 specific code
+if HAVE_SSE3
+libarch_sse_3_la_SOURCES = \
+	convert_sse_3.c \
+	convolve_sse_3.c
+libarch_sse_3_la_CFLAGS = $(AM_CFLAGS) -msse3
+libarch_la_LIBADD += libarch_sse_3.la
+endif
+
+# SSE 4.1 specific code
+if HAVE_SSE4_1
+libarch_sse_4_1_la_SOURCES = \
+	convert_sse_4_1.c
+libarch_sse_4_1_la_CFLAGS = $(AM_CFLAGS) -msse4.1
+libarch_la_LIBADD += libarch_sse_4_1.la
+endif
+
+libarch_la_SOURCES = \
+	convert.c \
+	convolve.c

Transceiver52M/arch/x86/convert.c

@@ -0,0 +1,83 @@
+/*
+ * SSE type conversions
+ * Copyright (C) 2013 Thomas Tsou <tom@tsou.cc>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <malloc.h>
+#include <string.h>
+#include "convert.h"
+#include "convert_sse_3.h"
+#include "convert_sse_4_1.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* Architecture dependant function pointers */
+struct convert_cpu_context {
+	void (*convert_si16_ps_16n) (float *, const short *, int);
+	void (*convert_si16_ps) (float *, const short *, int);
+	void (*convert_scale_ps_si16_16n)(short *, const float *, float, int);
+	void (*convert_scale_ps_si16_8n)(short *, const float *, float, int);
+	void (*convert_scale_ps_si16)(short *, const float *, float, int);
+};
+
+static struct convert_cpu_context c;
+
+void convert_init(void)
+{
+	c.convert_scale_ps_si16_16n = base_convert_float_short;
+	c.convert_scale_ps_si16_8n = base_convert_float_short;
+	c.convert_scale_ps_si16 = base_convert_float_short;
+	c.convert_si16_ps_16n = base_convert_short_float;
+	c.convert_si16_ps = base_convert_short_float;
+
+#ifdef HAVE___BUILTIN_CPU_SUPPORTS
+#ifdef HAVE_SSE4_1
+	if (__builtin_cpu_supports("sse4.1")) {
+		c.convert_si16_ps_16n = &_sse_convert_si16_ps_16n;
+		c.convert_si16_ps = &_sse_convert_si16_ps;
+	}
+#endif
+
+#ifdef HAVE_SSE3
+	if (__builtin_cpu_supports("sse3")) {
+		c.convert_scale_ps_si16_16n = _sse_convert_scale_ps_si16_16n;
+		c.convert_scale_ps_si16_8n = _sse_convert_scale_ps_si16_8n;
+		c.convert_scale_ps_si16 = _sse_convert_scale_ps_si16;
+	}
+#endif
+#endif
+}
+
+void convert_float_short(short *out, const float *in, float scale, int len)
+{
+	if (!(len % 16))
+		c.convert_scale_ps_si16_16n(out, in, scale, len);
+	else if (!(len % 8))
+		c.convert_scale_ps_si16_8n(out, in, scale, len);
+	else
+		c.convert_scale_ps_si16(out, in, scale, len);
+}
+
+void convert_short_float(float *out, const short *in, int len)
+{
+	if (!(len % 16))
+		c.convert_si16_ps_16n(out, in, len);
+	else
+		c.convert_si16_ps(out, in, len);
+}

Transceiver52M/arch/x86/convert_sse_3.c

@@ -0,0 +1,107 @@
+/*
+ * SSE type conversions
+ * Copyright (C) 2013 Thomas Tsou <tom@tsou.cc>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <malloc.h>
+#include <string.h>
+#include "convert_sse_3.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_SSE3
+#include <xmmintrin.h>
+#include <emmintrin.h>
+
+/* 8*N single precision floats scaled and converted to 16-bit signed integer */
+void _sse_convert_scale_ps_si16_8n(short *restrict out,
+				   const float *restrict in,
+				   float scale, int len)
+{
+	__m128 m0, m1, m2;
+	__m128i m4, m5;
+
+	for (int i = 0; i < len / 8; i++) {
+		/* Load (unaligned) packed floats */
+		m0 = _mm_loadu_ps(&in[8 * i + 0]);
+		m1 = _mm_loadu_ps(&in[8 * i + 4]);
+		m2 = _mm_load1_ps(&scale);
+
+		/* Scale */
+		m0 = _mm_mul_ps(m0, m2);
+		m1 = _mm_mul_ps(m1, m2);
+
+		/* Convert */
+		m4 = _mm_cvtps_epi32(m0);
+		m5 = _mm_cvtps_epi32(m1);
+
+		/* Pack and store */
+		m5 = _mm_packs_epi32(m4, m5);
+		_mm_storeu_si128((__m128i *) & out[8 * i], m5);
+	}
+}
+
+/* 8*N single precision floats scaled and converted with remainder */
+void _sse_convert_scale_ps_si16(short *restrict out,
+				const float *restrict in, float scale, int len)
+{
+	int start = len / 8 * 8;
+
+	_sse_convert_scale_ps_si16_8n(out, in, scale, len);
+
+	for (int i = 0; i < len % 8; i++)
+		out[start + i] = in[start + i] * scale;
+}
+
+/* 16*N single precision floats scaled and converted to 16-bit signed integer */
+void _sse_convert_scale_ps_si16_16n(short *restrict out,
+				    const float *restrict in,
+				    float scale, int len)
+{
+	__m128 m0, m1, m2, m3, m4;
+	__m128i m5, m6, m7, m8;
+
+	for (int i = 0; i < len / 16; i++) {
+		/* Load (unaligned) packed floats */
+		m0 = _mm_loadu_ps(&in[16 * i + 0]);
+		m1 = _mm_loadu_ps(&in[16 * i + 4]);
+		m2 = _mm_loadu_ps(&in[16 * i + 8]);
+		m3 = _mm_loadu_ps(&in[16 * i + 12]);
+		m4 = _mm_load1_ps(&scale);
+
+		/* Scale */
+		m0 = _mm_mul_ps(m0, m4);
+		m1 = _mm_mul_ps(m1, m4);
+		m2 = _mm_mul_ps(m2, m4);
+		m3 = _mm_mul_ps(m3, m4);
+
+		/* Convert */
+		m5 = _mm_cvtps_epi32(m0);
+		m6 = _mm_cvtps_epi32(m1);
+		m7 = _mm_cvtps_epi32(m2);
+		m8 = _mm_cvtps_epi32(m3);
+
+		/* Pack and store */
+		m5 = _mm_packs_epi32(m5, m6);
+		m7 = _mm_packs_epi32(m7, m8);
+		_mm_storeu_si128((__m128i *) & out[16 * i + 0], m5);
+		_mm_storeu_si128((__m128i *) & out[16 * i + 8], m7);
+	}
+}
+#endif

Transceiver52M/arch/x86/convert_sse_3.h

@@ -0,0 +1,34 @@
+/*
+ * SSE type conversions
+ * Copyright (C) 2013 Thomas Tsou <tom@tsou.cc>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#pragma once
+
+/* 8*N single precision floats scaled and converted to 16-bit signed integer */
+void _sse_convert_scale_ps_si16_8n(short *restrict out,
+				   const float *restrict in,
+				   float scale, int len);
+
+/* 8*N single precision floats scaled and converted with remainder */
+void _sse_convert_scale_ps_si16(short *restrict out,
+				const float *restrict in, float scale, int len);
+
+/* 16*N single precision floats scaled and converted to 16-bit signed integer */
+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

@@ -0,0 +1,77 @@
+/*
+ * SSE type conversions
+ * Copyright (C) 2013 Thomas Tsou <tom@tsou.cc>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <malloc.h>
+#include <string.h>
+#include "convert_sse_4_1.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_SSE4_1
+#include <smmintrin.h>
+
+/* 16*N 16-bit signed integer converted to single precision floats */
+void _sse_convert_si16_ps_16n(float *restrict out,
+			      const short *restrict in, int len)
+{
+	__m128i m0, m1, m2, m3, m4, m5;
+	__m128 m6, m7, m8, m9;
+
+	for (int i = 0; i < len / 16; i++) {
+		/* Load (unaligned) packed floats */
+		m0 = _mm_loadu_si128((__m128i *) & in[16 * i + 0]);
+		m1 = _mm_loadu_si128((__m128i *) & in[16 * i + 8]);
+
+		/* Unpack */
+		m2 = _mm_cvtepi16_epi32(m0);
+		m4 = _mm_cvtepi16_epi32(m1);
+		m0 = _mm_shuffle_epi32(m0, _MM_SHUFFLE(1, 0, 3, 2));
+		m1 = _mm_shuffle_epi32(m1, _MM_SHUFFLE(1, 0, 3, 2));
+		m3 = _mm_cvtepi16_epi32(m0);
+		m5 = _mm_cvtepi16_epi32(m1);
+
+		/* Convert */
+		m6 = _mm_cvtepi32_ps(m2);
+		m7 = _mm_cvtepi32_ps(m3);
+		m8 = _mm_cvtepi32_ps(m4);
+		m9 = _mm_cvtepi32_ps(m5);
+
+		/* Store */
+		_mm_storeu_ps(&out[16 * i + 0], m6);
+		_mm_storeu_ps(&out[16 * i + 4], m7);
+		_mm_storeu_ps(&out[16 * i + 8], m8);
+		_mm_storeu_ps(&out[16 * i + 12], m9);
+	}
+}
+
+/* 16*N 16-bit signed integer conversion with remainder */
+void _sse_convert_si16_ps(float *restrict out,
+			  const short *restrict in, int len)
+{
+	int start = len / 16 * 16;
+
+	_sse_convert_si16_ps_16n(out, in, len);
+
+	for (int i = 0; i < len % 16; i++)
+		out[start + i] = in[start + i];
+}
+
+#endif

Transceiver52M/arch/x86/convert_sse_4_1.h

@@ -0,0 +1,28 @@
+/*
+ * SSE type conversions
+ * Copyright (C) 2013 Thomas Tsou <tom@tsou.cc>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#pragma once
+
+/* 16*N 16-bit signed integer converted to single precision floats */
+void _sse_convert_si16_ps_16n(float *restrict out,
+			      const short *restrict in, int len);
+
+/* 16*N 16-bit signed integer conversion with remainder */
+void _sse_convert_si16_ps(float *restrict out,
+			  const short *restrict in, int len);

Transceiver52M/arch/x86/convolve.c

@@ -0,0 +1,172 @@
+/*
+ * SSE Convolution
+ * Copyright (C) 2012, 2013 Thomas Tsou <tom@tsou.cc>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <malloc.h>
+#include <string.h>
+#include <stdio.h>
+#include "convolve.h"
+#include "convolve_sse_3.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* Architecture dependant function pointers */
+struct convolve_cpu_context {
+	void (*conv_cmplx_4n) (const float *, int, const float *, int, float *,
+			       int, int, int, int, int);
+	void (*conv_cmplx_8n) (const float *, int, const float *, int, float *,
+			       int, int, int, int, int);
+	void (*conv_cmplx) (const float *, int, const float *, int, float *,
+			    int, int, int, int, int);
+	void (*conv_real4) (const float *, int, const float *, int, float *,
+			    int, int, int, int, int);
+	void (*conv_real8) (const float *, int, const float *, int, float *,
+			    int, int, int, int, int);
+	void (*conv_real12) (const float *, int, const float *, int, float *,
+			     int, int, int, int, int);
+	void (*conv_real16) (const float *, int, const float *, int, float *,
+			     int, int, int, int, int);
+	void (*conv_real20) (const float *, int, const float *, int, float *,
+			     int, int, int, int, int);
+	void (*conv_real4n) (const float *, int, const float *, int, float *,
+			     int, int, int, int, int);
+	void (*conv_real) (const float *, int, const float *, int, float *, int,
+			   int, int, int, int);
+};
+static struct convolve_cpu_context c;
+
+/* Forward declarations from base implementation */
+int _base_convolve_real(const float *x, int x_len,
+			const float *h, int h_len,
+			float *y, int y_len,
+			int start, int len,
+			int step, int offset);
+
+int _base_convolve_complex(const float *x, int x_len,
+			   const float *h, int h_len,
+			   float *y, int y_len,
+			   int start, int len,
+			   int step, int offset);
+
+int bounds_check(int x_len, int h_len, int y_len,
+		 int start, int len, int step);
+
+/* API: Initalize convolve module */
+void convolve_init(void)
+{
+	c.conv_cmplx_4n = (void *)_base_convolve_complex;
+	c.conv_cmplx_8n = (void *)_base_convolve_complex;
+	c.conv_cmplx = (void *)_base_convolve_complex;
+	c.conv_real4 = (void *)_base_convolve_real;
+	c.conv_real8 = (void *)_base_convolve_real;
+	c.conv_real12 = (void *)_base_convolve_real;
+	c.conv_real16 = (void *)_base_convolve_real;
+	c.conv_real20 = (void *)_base_convolve_real;
+	c.conv_real4n = (void *)_base_convolve_real;
+	c.conv_real = (void *)_base_convolve_real;
+
+#if defined(HAVE_SSE3) && defined(HAVE___BUILTIN_CPU_SUPPORTS)
+	if (__builtin_cpu_supports("sse3")) {
+		c.conv_cmplx_4n = sse_conv_cmplx_4n;
+		c.conv_cmplx_8n = sse_conv_cmplx_8n;
+		c.conv_real4 = sse_conv_real4;
+		c.conv_real8 = sse_conv_real8;
+		c.conv_real12 = sse_conv_real12;
+		c.conv_real16 = sse_conv_real16;
+		c.conv_real20 = sse_conv_real20;
+		c.conv_real4n = sse_conv_real4n;
+	}
+#endif
+}
+
+/* API: Aligned complex-real */
+int convolve_real(const float *x, int x_len,
+		  const float *h, int h_len,
+		  float *y, int y_len, int start, int len, int step, int offset)
+{
+	if (bounds_check(x_len, h_len, y_len, start, len, step) < 0)
+		return -1;
+
+	memset(y, 0, len * 2 * sizeof(float));
+
+	if (step <= 4) {
+		switch (h_len) {
+		case 4:
+			c.conv_real4(x, x_len, h, h_len, y, y_len, start, len,
+				     step, offset);
+			break;
+		case 8:
+			c.conv_real8(x, x_len, h, h_len, y, y_len, start, len,
+				     step, offset);
+			break;
+		case 12:
+			c.conv_real12(x, x_len, h, h_len, y, y_len, start, len,
+				      step, offset);
+			break;
+		case 16:
+			c.conv_real16(x, x_len, h, h_len, y, y_len, start, len,
+				      step, offset);
+			break;
+		case 20:
+			c.conv_real20(x, x_len, h, h_len, y, y_len, start, len,
+				      step, offset);
+			break;
+		default:
+			if (!(h_len % 4))
+				c.conv_real4n(x, x_len, h, h_len, y, y_len,
+					      start, len, step, offset);
+			else
+				c.conv_real(x, x_len, h, h_len, y, y_len, start,
+					    len, step, offset);
+		}
+	} else
+		c.conv_real(x, x_len, h, h_len, y, y_len, start, len, step,
+			    offset);
+
+	return len;
+}
+
+/* API: Aligned complex-complex */
+int convolve_complex(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset)
+{
+	if (bounds_check(x_len, h_len, y_len, start, len, step) < 0)
+		return -1;
+
+	memset(y, 0, len * 2 * sizeof(float));
+
+	if (step <= 4) {
+		if (!(h_len % 8))
+			c.conv_cmplx_8n(x, x_len, h, h_len, y, y_len, start,
+					len, step, offset);
+		else if (!(h_len % 4))
+			c.conv_cmplx_4n(x, x_len, h, h_len, y, y_len, start,
+					len, step, offset);
+		else
+			c.conv_cmplx(x, x_len, h, h_len, y, y_len, start, len,
+				     step, offset);
+	} else
+		c.conv_cmplx(x, x_len, h, h_len, y, y_len, start, len, step,
+			     offset);
+
+	return len;
+}

Transceiver52M/arch/x86/convolve_sse_3.c

@@ -20,40 +20,31 @@
 #include <malloc.h>
 #include <string.h>
 #include <stdio.h>
-#include "convolve.h"
+#include "convolve_sse_3.h"
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-/* Forward declarations from base implementation */
-int _base_convolve_real(const float *x, int x_len,
-			const float *h, int h_len,
-			float *y, int y_len,
-			int start, int len,
-			int step, int offset);
-
-int _base_convolve_complex(const float *x, int x_len,
-			   const float *h, int h_len,
-			   float *y, int y_len,
-			   int start, int len,
-			   int step, int offset);
-
-int bounds_check(int x_len, int h_len, int y_len,
-		 int start, int len, int step);
-
 #ifdef HAVE_SSE3
 #include <xmmintrin.h>
 #include <pmmintrin.h>
 
 /* 4-tap SSE complex-real convolution */
-static void sse_conv_real4(const float *restrict x,
-			   const float *restrict h,
-			   float *restrict y,
-			   int len)
+void sse_conv_real4(const float *x, int x_len,
+		    const float *h, int h_len,
+		    float *y, int y_len,
+		    int start, int len, int step, int offset)
 {
+	/* NOTE: The parameter list of this function has to match the parameter
+	 * list of _base_convolve_real() in convolve_base.c. This specific
+	 * implementation, ignores some of the parameters of
+	 * _base_convolve_complex(), which are: x_len, y_len, offset, step */
+
 	__m128 m0, m1, m2, m3, m4, m5, m6, m7;
 
+	const float *_x = &x[2 * (-(h_len - 1) + start)];
+
 	/* Load (aligned) filter taps */
 	m0 = _mm_load_ps(&h[0]);
 	m1 = _mm_load_ps(&h[4]);
@@ -61,8 +52,8 @@ static void sse_conv_real4(const float *restrict x,
 
 	for (int i = 0; i < len; i++) {
 		/* Load (unaligned) input data */
-		m0 = _mm_loadu_ps(&x[2 * i + 0]);
-		m1 = _mm_loadu_ps(&x[2 * i + 4]);
+		m0 = _mm_loadu_ps(&_x[2 * i + 0]);
+		m1 = _mm_loadu_ps(&_x[2 * i + 4]);
 		m2 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 		m3 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
 
@@ -81,13 +72,17 @@ static void sse_conv_real4(const float *restrict x,
 }
 
 /* 8-tap SSE complex-real convolution */
-static void sse_conv_real8(const float *restrict x,
-			   const float *restrict h,
-			   float *restrict y,
-			   int len)
+void sse_conv_real8(const float *x, int x_len,
+		    const float *h, int h_len,
+		    float *y, int y_len,
+		    int start, int len, int step, int offset)
 {
+	/* See NOTE in sse_conv_real4() */
+
 	__m128 m0, m1, m2, m3, m4, m5, m6, m7, m8, m9;
 
+	const float *_x = &x[2 * (-(h_len - 1) + start)];
+
 	/* Load (aligned) filter taps */
 	m0 = _mm_load_ps(&h[0]);
 	m1 = _mm_load_ps(&h[4]);
@@ -99,10 +94,10 @@ static void sse_conv_real8(const float *restrict x,
 
 	for (int i = 0; i < len; i++) {
 		/* Load (unaligned) input data */
-		m0 = _mm_loadu_ps(&x[2 * i + 0]);
-		m1 = _mm_loadu_ps(&x[2 * i + 4]);
-		m2 = _mm_loadu_ps(&x[2 * i + 8]);
-		m3 = _mm_loadu_ps(&x[2 * i + 12]);
+		m0 = _mm_loadu_ps(&_x[2 * i + 0]);
+		m1 = _mm_loadu_ps(&_x[2 * i + 4]);
+		m2 = _mm_loadu_ps(&_x[2 * i + 8]);
+		m3 = _mm_loadu_ps(&_x[2 * i + 12]);
 
 		m6 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 		m7 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
@@ -128,14 +123,18 @@ static void sse_conv_real8(const float *restrict x,
 }
 
 /* 12-tap SSE complex-real convolution */
-static void sse_conv_real12(const float *restrict x,
-			    const float *restrict h,
-			    float *restrict y,
-			    int len)
+void sse_conv_real12(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset)
 {
+	/* See NOTE in sse_conv_real4() */
+
 	__m128 m0, m1, m2, m3, m4, m5, m6, m7;
 	__m128 m8, m9, m10, m11, m12, m13, m14;
 
+	const float *_x = &x[2 * (-(h_len - 1) + start)];
+
 	/* Load (aligned) filter taps */
 	m0 = _mm_load_ps(&h[0]);
 	m1 = _mm_load_ps(&h[4]);
@@ -150,18 +149,18 @@ static void sse_conv_real12(const float *restrict x,
 
 	for (int i = 0; i < len; i++) {
 		/* Load (unaligned) input data */
-		m0 = _mm_loadu_ps(&x[2 * i + 0]);
-		m1 = _mm_loadu_ps(&x[2 * i + 4]);
-		m2 = _mm_loadu_ps(&x[2 * i + 8]);
-		m3 = _mm_loadu_ps(&x[2 * i + 12]);
+		m0 = _mm_loadu_ps(&_x[2 * i + 0]);
+		m1 = _mm_loadu_ps(&_x[2 * i + 4]);
+		m2 = _mm_loadu_ps(&_x[2 * i + 8]);
+		m3 = _mm_loadu_ps(&_x[2 * i + 12]);
 
 		m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 		m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
 		m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
 		m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
 
-		m0 = _mm_loadu_ps(&x[2 * i + 16]);
-		m1 = _mm_loadu_ps(&x[2 * i + 20]);
+		m0 = _mm_loadu_ps(&_x[2 * i + 16]);
+		m1 = _mm_loadu_ps(&_x[2 * i + 20]);
 
 		m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 		m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
@@ -175,8 +174,8 @@ static void sse_conv_real12(const float *restrict x,
 		m5 = _mm_mul_ps(m9, m14);
 
 		/* Sum and store */
-		m8  = _mm_add_ps(m0, m2);
-		m9  = _mm_add_ps(m1, m3);
+		m8 = _mm_add_ps(m0, m2);
+		m9 = _mm_add_ps(m1, m3);
 		m10 = _mm_add_ps(m8, m4);
 		m11 = _mm_add_ps(m9, m5);
 
@@ -190,14 +189,18 @@ static void sse_conv_real12(const float *restrict x,
 }
 
 /* 16-tap SSE complex-real convolution */
-static void sse_conv_real16(const float *restrict x,
-			    const float *restrict h,
-			    float *restrict y,
-			    int len)
+void sse_conv_real16(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset)
 {
+	/* See NOTE in sse_conv_real4() */
+
 	__m128 m0, m1, m2, m3, m4, m5, m6, m7;
 	__m128 m8, m9, m10, m11, m12, m13, m14, m15;
 
+	const float *_x = &x[2 * (-(h_len - 1) + start)];
+
 	/* Load (aligned) filter taps */
 	m0 = _mm_load_ps(&h[0]);
 	m1 = _mm_load_ps(&h[4]);
@@ -216,23 +219,23 @@ static void sse_conv_real16(const float *restrict x,
 
 	for (int i = 0; i < len; i++) {
 		/* Load (unaligned) input data */
-		m0 = _mm_loadu_ps(&x[2 * i + 0]);
-		m1 = _mm_loadu_ps(&x[2 * i + 4]);
-		m2 = _mm_loadu_ps(&x[2 * i + 8]);
-		m3 = _mm_loadu_ps(&x[2 * i + 12]);
+		m0 = _mm_loadu_ps(&_x[2 * i + 0]);
+		m1 = _mm_loadu_ps(&_x[2 * i + 4]);
+		m2 = _mm_loadu_ps(&_x[2 * i + 8]);
+		m3 = _mm_loadu_ps(&_x[2 * i + 12]);
 
 		m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 		m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
 		m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
 		m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
 
-		m0 = _mm_loadu_ps(&x[2 * i + 16]);
-		m1 = _mm_loadu_ps(&x[2 * i + 20]);
-		m2 = _mm_loadu_ps(&x[2 * i + 24]);
-		m3 = _mm_loadu_ps(&x[2 * i + 28]);
+		m0 = _mm_loadu_ps(&_x[2 * i + 16]);
+		m1 = _mm_loadu_ps(&_x[2 * i + 20]);
+		m2 = _mm_loadu_ps(&_x[2 * i + 24]);
+		m3 = _mm_loadu_ps(&_x[2 * i + 28]);
 
-		m8  = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
-		m9  = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
+		m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
+		m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
 		m10 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
 		m11 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
 
@@ -248,8 +251,8 @@ static void sse_conv_real16(const float *restrict x,
 		m7 = _mm_mul_ps(m11, m15);
 
 		/* Sum and store */
-		m8  = _mm_add_ps(m0, m2);
-		m9  = _mm_add_ps(m1, m3);
+		m8 = _mm_add_ps(m0, m2);
+		m9 = _mm_add_ps(m1, m3);
 		m10 = _mm_add_ps(m4, m6);
 		m11 = _mm_add_ps(m5, m7);
 
@@ -265,14 +268,18 @@ static void sse_conv_real16(const float *restrict x,
 }
 
 /* 20-tap SSE complex-real convolution */
-static void sse_conv_real20(const float *restrict x,
-			    const float *restrict h,
-			    float *restrict y,
-			    int len)
+void sse_conv_real20(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset)
 {
+	/* See NOTE in sse_conv_real4() */
+
 	__m128 m0, m1, m2, m3, m4, m5, m6, m7;
 	__m128 m8, m9, m11, m12, m13, m14, m15;
 
+	const float *_x = &x[2 * (-(h_len - 1) + start)];
+
 	/* Load (aligned) filter taps */
 	m0 = _mm_load_ps(&h[0]);
 	m1 = _mm_load_ps(&h[4]);
@@ -293,19 +300,19 @@ static void sse_conv_real20(const float *restrict x,
 
 	for (int i = 0; i < len; i++) {
 		/* Multiply-accumulate first 12 taps */
-		m0 = _mm_loadu_ps(&x[2 * i + 0]);
-		m1 = _mm_loadu_ps(&x[2 * i + 4]);
-		m2 = _mm_loadu_ps(&x[2 * i + 8]);
-		m3 = _mm_loadu_ps(&x[2 * i + 12]);
-		m4 = _mm_loadu_ps(&x[2 * i + 16]);
-		m5 = _mm_loadu_ps(&x[2 * i + 20]);
+		m0 = _mm_loadu_ps(&_x[2 * i + 0]);
+		m1 = _mm_loadu_ps(&_x[2 * i + 4]);
+		m2 = _mm_loadu_ps(&_x[2 * i + 8]);
+		m3 = _mm_loadu_ps(&_x[2 * i + 12]);
+		m4 = _mm_loadu_ps(&_x[2 * i + 16]);
+		m5 = _mm_loadu_ps(&_x[2 * i + 20]);
 
-		m6  = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
-		m7  = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
-		m8  = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
-		m9  = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
-		m0  = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2));
-		m1  = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(1, 3, 1, 3));
+		m6 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
+		m7 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
+		m8 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
+		m9 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
+		m0 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2));
+		m1 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(1, 3, 1, 3));
 
 		m2 = _mm_mul_ps(m6, m11);
 		m3 = _mm_mul_ps(m7, m11);
@@ -314,16 +321,16 @@ static void sse_conv_real20(const float *restrict x,
 		m6 = _mm_mul_ps(m0, m13);
 		m7 = _mm_mul_ps(m1, m13);
 
-		m0  = _mm_add_ps(m2, m4);
-		m1  = _mm_add_ps(m3, m5);
-		m8  = _mm_add_ps(m0, m6);
-		m9  = _mm_add_ps(m1, m7);
+		m0 = _mm_add_ps(m2, m4);
+		m1 = _mm_add_ps(m3, m5);
+		m8 = _mm_add_ps(m0, m6);
+		m9 = _mm_add_ps(m1, m7);
 
 		/* Multiply-accumulate last 8 taps */
-		m0 = _mm_loadu_ps(&x[2 * i + 24]);
-		m1 = _mm_loadu_ps(&x[2 * i + 28]);
-		m2 = _mm_loadu_ps(&x[2 * i + 32]);
-		m3 = _mm_loadu_ps(&x[2 * i + 36]);
+		m0 = _mm_loadu_ps(&_x[2 * i + 24]);
+		m1 = _mm_loadu_ps(&_x[2 * i + 28]);
+		m2 = _mm_loadu_ps(&_x[2 * i + 32]);
+		m3 = _mm_loadu_ps(&_x[2 * i + 36]);
 
 		m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 		m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
@@ -335,8 +342,8 @@ static void sse_conv_real20(const float *restrict x,
 		m2 = _mm_mul_ps(m6, m15);
 		m3 = _mm_mul_ps(m7, m15);
 
-		m4  = _mm_add_ps(m0, m2);
-		m5  = _mm_add_ps(m1, m3);
+		m4 = _mm_add_ps(m0, m2);
+		m5 = _mm_add_ps(m1, m3);
 
 		/* Final sum and store */
 		m0 = _mm_add_ps(m8, m4);
@@ -351,13 +358,17 @@ static void sse_conv_real20(const float *restrict x,
 }
 
 /* 4*N-tap SSE complex-real convolution */
-static void sse_conv_real4n(const float *x,
-			    const float *h,
-			    float *y,
-			    int h_len, int len)
+void sse_conv_real4n(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset)
 {
+	/* See NOTE in sse_conv_real4() */
+
 	__m128 m0, m1, m2, m4, m5, m6, m7;
 
+	const float *_x = &x[2 * (-(h_len - 1) + start)];
+
 	for (int i = 0; i < len; i++) {
 		/* Zero */
 		m6 = _mm_setzero_ps();
@@ -370,8 +381,8 @@ static void sse_conv_real4n(const float *x,
 			m2 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 
 			/* Load (unaligned) input data */
-			m0 = _mm_loadu_ps(&x[2 * i + 8 * n + 0]);
-			m1 = _mm_loadu_ps(&x[2 * i + 8 * n + 4]);
+			m0 = _mm_loadu_ps(&_x[2 * i + 8 * n + 0]);
+			m1 = _mm_loadu_ps(&_x[2 * i + 8 * n + 4]);
 			m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 			m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
 
@@ -394,13 +405,20 @@ static void sse_conv_real4n(const float *x,
 }
 
 /* 4*N-tap SSE complex-complex convolution */
-static void sse_conv_cmplx_4n(const float *x,
-			      const float *h,
-			      float *y,
-			      int h_len, int len)
+void sse_conv_cmplx_4n(const float *x, int x_len,
+		       const float *h, int h_len,
+		       float *y, int y_len,
+		       int start, int len, int step, int offset)
 {
+	/* NOTE: The parameter list of this function has to match the parameter
+	 * list of _base_convolve_complex() in convolve_base.c. This specific
+	 * implementation, ignores some of the parameters of
+	 * _base_convolve_complex(), which are: x_len, y_len, offset, step. */
+
 	__m128 m0, m1, m2, m3, m4, m5, m6, m7;
 
+	const float *_x = &x[2 * (-(h_len - 1) + start)];
+
 	for (int i = 0; i < len; i++) {
 		/* Zero */
 		m6 = _mm_setzero_ps();
@@ -414,8 +432,8 @@ static void sse_conv_cmplx_4n(const float *x,
 			m3 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
 
 			/* Load (unaligned) input data */
-			m0 = _mm_loadu_ps(&x[2 * i + 8 * n + 0]);
-			m1 = _mm_loadu_ps(&x[2 * i + 8 * n + 4]);
+			m0 = _mm_loadu_ps(&_x[2 * i + 8 * n + 0]);
+			m1 = _mm_loadu_ps(&_x[2 * i + 8 * n + 4]);
 			m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
 			m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
 
@@ -445,14 +463,18 @@ static void sse_conv_cmplx_4n(const float *x,
 }
 
 /* 8*N-tap SSE complex-complex convolution */
-static void sse_conv_cmplx_8n(const float *x,
-			      const float *h,
-			      float *y,
-			      int h_len, int len)
+void sse_conv_cmplx_8n(const float *x, int x_len,
+		       const float *h, int h_len,
+		       float *y, int y_len,
+		       int start, int len, int step, int offset)
 {
+	/* See NOTE in sse_conv_cmplx_4n() */
+
 	__m128 m0, m1, m2, m3, m4, m5, m6, m7;
 	__m128 m8, m9, m10, m11, m12, m13, m14, m15;
 
+	const float *_x = &x[2 * (-(h_len - 1) + start)];
+
 	for (int i = 0; i < len; i++) {
 		/* Zero */
 		m12 = _mm_setzero_ps();
@@ -473,13 +495,13 @@ static void sse_conv_cmplx_8n(const float *x,
 			m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
 
 			/* Load (unaligned) input data */
-			m0 = _mm_loadu_ps(&x[2 * i + 16 * n + 0]);
-			m1 = _mm_loadu_ps(&x[2 * i + 16 * n + 4]);
-			m2 = _mm_loadu_ps(&x[2 * i + 16 * n + 8]);
-			m3 = _mm_loadu_ps(&x[2 * i + 16 * n + 12]);
+			m0 = _mm_loadu_ps(&_x[2 * i + 16 * n + 0]);
+			m1 = _mm_loadu_ps(&_x[2 * i + 16 * n + 4]);
+			m2 = _mm_loadu_ps(&_x[2 * i + 16 * n + 8]);
+			m3 = _mm_loadu_ps(&_x[2 * i + 16 * n + 12]);
 
-			m8  = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
-			m9  = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
+			m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2));
+			m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3));
 			m10 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2));
 			m11 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3));
 
@@ -518,96 +540,3 @@ static void sse_conv_cmplx_8n(const float *x,
 	}
 }
 #endif
-
-/* API: Aligned complex-real */
-int convolve_real(const float *x, int x_len,
-		  const float *h, int h_len,
-		  float *y, int y_len,
-		  int start, int len,
-		  int step, int offset)
-{
-	void (*conv_func)(const float *, const float *,
-			  float *, int) = NULL;
-	void (*conv_func_n)(const float *, const float *,
-			    float *, int, int) = NULL;
-
-	if (bounds_check(x_len, h_len, y_len, start, len, step) < 0)
-		return -1;
-
-	memset(y, 0, len * 2 * sizeof(float));
-
-#ifdef HAVE_SSE3
-	if (step <= 4) {
-		switch (h_len) {
-		case 4:
-			conv_func = sse_conv_real4;
-			break;
-		case 8:
-			conv_func = sse_conv_real8;
-			break;
-		case 12:
-			conv_func = sse_conv_real12;
-			break;
-		case 16:
-			conv_func = sse_conv_real16;
-			break;
-		case 20:
-			conv_func = sse_conv_real20;
-			break;
-		default:
-			if (!(h_len % 4))
-				conv_func_n = sse_conv_real4n;
-		}
-	}
-#endif
-	if (conv_func) {
-		conv_func(&x[2 * (-(h_len - 1) + start)],
-			  h, y, len);
-	} else if (conv_func_n) {
-		conv_func_n(&x[2 * (-(h_len - 1) + start)],
-			    h, y, h_len, len);
-	} else {
-		_base_convolve_real(x, x_len,
-				    h, h_len,
-				    y, y_len,
-				    start, len, step, offset);
-	}
-
-	return len;
-}
-
-/* API: Aligned complex-complex */
-int convolve_complex(const float *x, int x_len,
-		     const float *h, int h_len,
-		     float *y, int y_len,
-		     int start, int len,
-		     int step, int offset)
-{
-	void (*conv_func)(const float *, const float *,
-			  float *, int, int) = NULL;
-
-	if (bounds_check(x_len, h_len, y_len, start, len, step) < 0)
-		return -1;
-
-	memset(y, 0, len * 2 * sizeof(float));
-
-#ifdef HAVE_SSE3
-	if (step <= 4) {
-		if (!(h_len % 8))
-			conv_func = sse_conv_cmplx_8n;
-		else if (!(h_len % 4))
-			conv_func = sse_conv_cmplx_4n;
-	}
-#endif
-	if (conv_func) {
-		conv_func(&x[2 * (-(h_len - 1) + start)],
-			  h, y, h_len, len);
-	} else {
-		_base_convolve_complex(x, x_len,
-				       h, h_len,
-				       y, y_len,
-				       start, len, step, offset);
-	}
-
-	return len;
-}

Transceiver52M/arch/x86/convolve_sse_3.h

@@ -0,0 +1,68 @@
+/*
+ * SSE Convolution
+ * Copyright (C) 2012, 2013 Thomas Tsou <tom@tsou.cc>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#pragma once
+
+/* 4-tap SSE complex-real convolution */
+void sse_conv_real4(const float *x, int x_len,
+		    const float *h, int h_len,
+		    float *y, int y_len,
+		    int start, int len, int step, int offset);
+
+/* 8-tap SSE complex-real convolution */
+void sse_conv_real8(const float *x, int x_len,
+		    const float *h, int h_len,
+		    float *y, int y_len,
+		    int start, int len, int step, int offset);
+
+/* 12-tap SSE complex-real convolution */
+void sse_conv_real12(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset);
+
+/* 16-tap SSE complex-real convolution */
+void sse_conv_real16(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset);
+
+/* 20-tap SSE complex-real convolution */
+void sse_conv_real20(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset);
+
+/* 4*N-tap SSE complex-real convolution */
+void sse_conv_real4n(const float *x, int x_len,
+		     const float *h, int h_len,
+		     float *y, int y_len,
+		     int start, int len, int step, int offset);
+
+/* 4*N-tap SSE complex-complex convolution */
+void sse_conv_cmplx_4n(const float *x, int x_len,
+		       const float *h, int h_len,
+		       float *y, int y_len,
+		       int start, int len, int step, int offset);
+
+/* 8*N-tap SSE complex-complex convolution */
+void sse_conv_cmplx_8n(const float *x, int x_len,
+		       const float *h, int h_len,
+		       float *y, int y_len,
+		       int start, int len, int step, int offset);

Transceiver52M/device/Makefile.am

@@ -0,0 +1,17 @@
+include $(top_srcdir)/Makefile.common
+
+noinst_HEADERS = radioDevice.h
+
+SUBDIRS =
+
+if DEVICE_USRP1
+SUBDIRS += usrp1
+endif
+
+if DEVICE_UHD
+SUBDIRS += uhd
+endif
+
+if DEVICE_LMS
+SUBDIRS += lms
+endif

Transceiver52M/device/lms/LMSDevice.cpp

@@ -0,0 +1,629 @@
+/*
+* Copyright 2018 sysmocom - s.f.m.c. GmbH
+*
+	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 <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "Logger.h"
+#include "Threads.h"
+#include "LMSDevice.h"
+
+#include <lime/LimeSuite.h>
+
+#include <osmocom/core/utils.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+using namespace std;
+
+constexpr double LMSDevice::masterClockRate;
+
+#define MAX_ANTENNA_LIST_SIZE 10
+#define LMS_SAMPLE_RATE GSMRATE*32
+#define GSM_CARRIER_BW 270000.0 /* 270kHz */
+#define LMS_MIN_BW_SUPPORTED 2.5e6 /* 2.5mHz, minimum supported by LMS */
+#define LMS_CALIBRATE_BW_HZ OSMO_MAX(GSM_CARRIER_BW, LMS_MIN_BW_SUPPORTED)
+
+LMSDevice::LMSDevice(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):
+	RadioDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths),
+	m_lms_dev(NULL)
+{
+	LOG(INFO) << "creating LMS device...";
+
+	m_lms_stream_rx.resize(chans);
+	m_lms_stream_tx.resize(chans);
+
+	m_last_rx_underruns.resize(chans, 0);
+	m_last_rx_overruns.resize(chans, 0);
+	m_last_tx_underruns.resize(chans, 0);
+	m_last_tx_overruns.resize(chans, 0);
+}
+
+static void lms_log_callback(int lvl, const char *msg)
+{
+	/* map lime specific log levels */
+	static const int lvl_map[5] = {
+		[0] = LOGL_FATAL,
+		[1] = LOGL_ERROR,
+		[2] = LOGL_NOTICE,
+		[3] = LOGL_INFO,
+		[4] = LOGL_DEBUG,
+	};
+	/* protect against future higher log level values (lower importance) */
+	if ((unsigned int) lvl >= ARRAY_SIZE(lvl_map))
+		lvl = ARRAY_SIZE(lvl_map)-1;
+
+	LOGLV(DLMS, lvl) << msg;
+}
+
+static void thread_enable_cancel(bool cancel)
+{
+	cancel ? pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) :
+		 pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+}
+
+static void print_range(const char* name, lms_range_t *range)
+{
+	LOG(DEBUG) << name << ": Min=" << range->min << " Max=" << range->max
+		   << " Step=" << range->step;
+}
+
+int LMSDevice::open(const std::string &args, int ref, bool swap_channels)
+{
+	//lms_info_str_t dev_str;
+	lms_info_str_t* info_list;
+	lms_range_t range_lpfbw_rx, range_lpfbw_tx, range_sr;
+	float_type sr_host, sr_rf, lpfbw_rx, lpfbw_tx;
+	uint16_t dac_val;
+	unsigned int i, n;
+	int rc;
+
+	LOG(INFO) << "Opening LMS device..";
+
+	LMS_RegisterLogHandler(&lms_log_callback);
+
+	if ((n = LMS_GetDeviceList(NULL)) < 0)
+		LOG(ERROR) << "LMS_GetDeviceList(NULL) failed";
+	LOG(DEBUG) << "Devices found: " << n;
+	if (n < 1)
+	    return -1;
+
+	info_list = new lms_info_str_t[n];
+
+	if (LMS_GetDeviceList(info_list) < 0)
+		LOG(ERROR) << "LMS_GetDeviceList(info_list) failed";
+
+	for (i = 0; i < n; i++)
+		LOG(DEBUG) << "Device [" << i << "]: " << info_list[i];
+
+	rc = LMS_Open(&m_lms_dev, info_list[0], NULL);
+	if (rc != 0) {
+		LOG(ERROR) << "LMS_GetDeviceList() failed)";
+		delete [] info_list;
+		return -1;
+	}
+
+	delete [] info_list;
+
+	LOG(INFO) << "Init LMS device";
+	if (LMS_Init(m_lms_dev) != 0) {
+		LOG(ERROR) << "LMS_Init() failed";
+		return -1;
+	}
+
+	if (LMS_GetSampleRateRange(m_lms_dev, LMS_CH_RX, &range_sr))
+		goto out_close;
+	print_range("Sample Rate", &range_sr);
+
+	LOG(DEBUG) << "Setting sample rate to " << GSMRATE*tx_sps << " " << tx_sps;
+	if (LMS_SetSampleRate(m_lms_dev, GSMRATE*tx_sps, 32) < 0)
+		goto out_close;
+
+	if (LMS_GetSampleRate(m_lms_dev, LMS_CH_RX, 0, &sr_host, &sr_rf))
+		goto out_close;
+	LOG(DEBUG) << "Sample Rate: Host=" << sr_host << " RF=" << sr_rf;
+
+	/* FIXME: make this device/model dependent, like UHDDevice:dev_param_map! */
+	ts_offset = static_cast<TIMESTAMP>(8.9e-5 * GSMRATE * tx_sps); /* time * sample_rate */
+
+	switch (ref) {
+	case REF_INTERNAL:
+		LOG(DEBUG) << "Setting Internal clock reference";
+		/* Ugly API: Selecting clock source implicit by writing to VCTCXO DAC ?!? */
+		if (LMS_VCTCXORead(m_lms_dev, &dac_val) < 0)
+			goto out_close;
+		LOG(DEBUG) << "Setting VCTCXO to " << dac_val;
+		if (LMS_VCTCXOWrite(m_lms_dev, dac_val) < 0)
+			goto out_close;
+		break;
+	case REF_EXTERNAL:
+		LOG(DEBUG) << "Setting External clock reference to " << 10000000.0;
+		/* Assume an external 10 MHz reference clock */
+		if (LMS_SetClockFreq(m_lms_dev, LMS_CLOCK_EXTREF, 10000000.0) < 0)
+			goto out_close;
+		break;
+	default:
+		LOG(ALERT) << "Invalid reference type";
+		goto out_close;
+	}
+
+	if (LMS_GetLPFBWRange(m_lms_dev, LMS_CH_RX, &range_lpfbw_rx))
+		goto out_close;
+	print_range("LPFBWRange Rx", &range_lpfbw_rx);
+	if (LMS_GetLPFBWRange(m_lms_dev, LMS_CH_RX, &range_lpfbw_tx))
+		goto out_close;
+	print_range("LPFBWRange Tx", &range_lpfbw_tx);
+	lpfbw_rx = OSMO_MIN(OSMO_MAX(1.4001e6, range_lpfbw_rx.min), range_lpfbw_rx.max);
+	lpfbw_tx = OSMO_MIN(OSMO_MAX(5.2e6, range_lpfbw_tx.min), range_lpfbw_tx.max);
+
+	LOG(DEBUG) << "LPFBW: Rx=" << lpfbw_rx << " Tx=" << lpfbw_tx;
+
+	if (!set_antennas()) {
+		LOG(ALERT) << "LMS antenna setting failed";
+		return -1;
+	}
+
+	/* Perform Rx and Tx calibration */
+	for (i=0; i<chans; i++) {
+		LOG(INFO) << "Setting LPFBW chan " << i;
+		if (LMS_SetLPFBW(m_lms_dev, LMS_CH_RX, i, lpfbw_rx) < 0)
+			goto out_close;
+		if (LMS_SetLPFBW(m_lms_dev, LMS_CH_TX, i, lpfbw_tx) < 0)
+			goto out_close;
+		LOG(INFO) << "Calibrating chan " << i;
+		if (LMS_Calibrate(m_lms_dev, LMS_CH_RX, i, LMS_CALIBRATE_BW_HZ, 0) < 0)
+			goto out_close;
+		if (LMS_Calibrate(m_lms_dev, LMS_CH_TX, i, LMS_CALIBRATE_BW_HZ, 0) < 0)
+			goto out_close;
+	}
+
+	samplesRead = 0;
+	samplesWritten = 0;
+	started = false;
+
+	return NORMAL;
+
+out_close:
+	LOG(ALERT) << "Error in LMS open, closing: " << LMS_GetLastErrorMessage();
+	LMS_Close(m_lms_dev);
+	return -1;
+}
+
+bool LMSDevice::start()
+{
+	LOG(INFO) << "starting LMS...";
+
+	unsigned int i;
+
+	/* configure the channels/streams */
+	for (i=0; i<chans; i++) {
+		if (LMS_EnableChannel(m_lms_dev, LMS_CH_RX, i, true) < 0)
+			return false;
+
+		if (LMS_EnableChannel(m_lms_dev, LMS_CH_TX, i, true) < 0)
+			return false;
+
+		// Set gains to midpoint
+		setTxGain((minTxGain() + maxTxGain()) / 2, i);
+		setRxGain((minRxGain() + maxRxGain()) / 2, i);
+
+		m_lms_stream_rx[i] = {};
+		m_lms_stream_rx[i].isTx = false;
+		m_lms_stream_rx[i].channel = i;
+		m_lms_stream_rx[i].fifoSize = 1024 * 1024;
+		m_lms_stream_rx[i].throughputVsLatency = 0.3;
+		m_lms_stream_rx[i].dataFmt = lms_stream_t::LMS_FMT_I16;
+
+		m_lms_stream_tx[i] = {};
+		m_lms_stream_tx[i].isTx = true;
+		m_lms_stream_tx[i].channel = i;
+		m_lms_stream_tx[i].fifoSize = 1024 * 1024;
+		m_lms_stream_tx[i].throughputVsLatency = 0.3;
+		m_lms_stream_tx[i].dataFmt = lms_stream_t::LMS_FMT_I16;
+
+		if (LMS_SetupStream(m_lms_dev, &m_lms_stream_rx[i]) < 0)
+			return false;
+
+		if (LMS_SetupStream(m_lms_dev, &m_lms_stream_tx[i]) < 0)
+			return false;
+	}
+
+	/* now start the streams in a second loop, as we can no longer call
+	 * LMS_SetupStream() after LMS_StartStream() of the first stream */
+	for (i = 0; i < chans; i++) {
+		if (LMS_StartStream(&m_lms_stream_rx[i]) < 0)
+			return false;
+
+		if (LMS_StartStream(&m_lms_stream_tx[i]) < 0)
+			return false;
+	}
+
+	flush_recv(10);
+
+	started = true;
+	return true;
+}
+
+bool LMSDevice::stop()
+{
+	unsigned int i;
+
+	if (!started)
+		return true;
+
+	for (i=0; i<chans; i++) {
+		LMS_StopStream(&m_lms_stream_tx[i]);
+		LMS_StopStream(&m_lms_stream_rx[i]);
+
+		LMS_EnableChannel(m_lms_dev, LMS_CH_RX, i, false);
+		LMS_EnableChannel(m_lms_dev, LMS_CH_TX, i, false);
+	}
+
+	return true;
+}
+
+double LMSDevice::maxTxGain()
+{
+	return 73.0;
+}
+
+double LMSDevice::minTxGain()
+{
+	return 0.0;
+}
+
+double LMSDevice::maxRxGain()
+{
+	return 73.0;
+}
+
+double LMSDevice::minRxGain()
+{
+	return 0.0;
+}
+
+double LMSDevice::setTxGain(double dB, size_t chan)
+{
+	if (chan) {
+		LOG(ALERT) << "Invalid channel " << chan;
+		return 0.0;
+	}
+
+	if (dB > maxTxGain())
+		dB = maxTxGain();
+	if (dB < minTxGain())
+		dB = minTxGain();
+
+	LOG(NOTICE) << "Setting TX gain to " << dB << " dB.";
+
+	if (LMS_SetGaindB(m_lms_dev, LMS_CH_TX, chan, dB) < 0)
+		LOG(ERR) << "Error setting TX gain";
+
+	return dB;
+}
+
+double LMSDevice::setRxGain(double dB, size_t chan)
+{
+	if (chan) {
+		LOG(ALERT) << "Invalid channel " << chan;
+		return 0.0;
+	}
+
+	dB = 34.0;
+
+	if (dB > maxRxGain())
+		dB = maxRxGain();
+	if (dB < minRxGain())
+		dB = minRxGain();
+
+	LOG(NOTICE) << "Setting RX gain to " << dB << " dB.";
+
+	if (LMS_SetGaindB(m_lms_dev, LMS_CH_RX, chan, dB) < 0)
+		LOG(ERR) << "Error setting RX gain";
+
+	return dB;
+}
+
+int LMSDevice::get_ant_idx(const std::string & name, bool dir_tx, size_t chan)
+{
+	lms_name_t name_list[MAX_ANTENNA_LIST_SIZE]; /* large enough list for antenna names. */
+	const char* c_name = name.c_str();
+	int num_names;
+	int i;
+
+	num_names = LMS_GetAntennaList(m_lms_dev, dir_tx, chan, name_list);
+	for (i = 0; i < num_names; i++) {
+		if (!strcmp(c_name, name_list[i]))
+			return i;
+	}
+	return -1;
+}
+
+bool LMSDevice::flush_recv(size_t num_pkts)
+{
+	#define CHUNK 625
+	int len = CHUNK * tx_sps;
+	short *buffer = new short[len * 2];
+	int rc;
+	lms_stream_meta_t rx_metadata = {};
+	rx_metadata.flushPartialPacket = false;
+	rx_metadata.waitForTimestamp = false;
+
+	ts_initial = 0;
+
+	while (!ts_initial || (num_pkts-- > 0)) {
+		rc = LMS_RecvStream(&m_lms_stream_rx[0], &buffer[0], len, &rx_metadata, 100);
+		LOG(DEBUG) << "Flush: Recv buffer of len " << rc << " at " << std::hex << rx_metadata.timestamp;
+		if (rc != len) {
+			LOG(ALERT) << "LMS: Device receive timed out";
+			delete[] buffer;
+			return false;
+		}
+
+		ts_initial = rx_metadata.timestamp + len;
+	}
+
+	LOG(INFO) << "Initial timestamp " << ts_initial << std::endl;
+	delete[] buffer;
+	return true;
+}
+
+bool LMSDevice::setRxAntenna(const std::string & ant, size_t chan)
+{
+	int idx;
+
+	if (chan >= rx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return false;
+	}
+
+	idx = get_ant_idx(ant, LMS_CH_RX, chan);
+	if (idx < 0) {
+		LOG(ALERT) << "Invalid Rx Antenna";
+		return false;
+	}
+
+	if (LMS_SetAntenna(m_lms_dev, LMS_CH_RX, chan, idx) < 0) {
+		LOG(ALERT) << "Unable to set Rx Antenna";
+	}
+
+	return true;
+}
+
+std::string LMSDevice::getRxAntenna(size_t chan)
+{
+	lms_name_t name_list[MAX_ANTENNA_LIST_SIZE]; /* large enough list for antenna names. */
+	int idx;
+
+	if (chan >= rx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return "";
+	}
+
+	idx = LMS_GetAntenna(m_lms_dev, LMS_CH_RX, chan);
+	if (idx < 0) {
+		LOG(ALERT) << "Error getting Rx Antenna";
+		return "";
+	}
+
+	if (LMS_GetAntennaList(m_lms_dev, LMS_CH_RX, chan, name_list) < idx) {
+		LOG(ALERT) << "Error getting Rx Antenna List";
+		return "";
+	}
+
+	return name_list[idx];
+}
+
+bool LMSDevice::setTxAntenna(const std::string & ant, size_t chan)
+{
+	int idx;
+
+	if (chan >= tx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return false;
+	}
+
+	idx = get_ant_idx(ant, LMS_CH_TX, chan);
+	if (idx < 0) {
+		LOG(ALERT) << "Invalid Rx Antenna";
+		return false;
+	}
+
+	if (LMS_SetAntenna(m_lms_dev, LMS_CH_TX, chan, idx) < 0) {
+		LOG(ALERT) << "Unable to set Rx Antenna";
+	}
+
+	return true;
+}
+
+std::string LMSDevice::getTxAntenna(size_t chan)
+{
+	lms_name_t name_list[MAX_ANTENNA_LIST_SIZE]; /* large enough list for antenna names. */
+	int idx;
+
+	if (chan >= tx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return "";
+	}
+
+	idx = LMS_GetAntenna(m_lms_dev, LMS_CH_TX, chan);
+	if (idx < 0) {
+		LOG(ALERT) << "Error getting Tx Antenna";
+		return "";
+	}
+
+	if (LMS_GetAntennaList(m_lms_dev, LMS_CH_TX, chan, name_list) < idx) {
+		LOG(ALERT) << "Error getting Tx Antenna List";
+		return "";
+	}
+
+	return name_list[idx];
+}
+
+bool LMSDevice::requiresRadioAlign()
+{
+	return false;
+}
+
+GSM::Time LMSDevice::minLatency() {
+	/* Empirical data from a handful of
+	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);
+}
+
+// NOTE: Assumes sequential reads
+int LMSDevice::readSamples(std::vector < short *>&bufs, int len, bool * overrun,
+			   TIMESTAMP timestamp, bool * underrun, unsigned *RSSI)
+{
+	int rc = 0;
+	unsigned int i;
+	lms_stream_status_t status;
+	lms_stream_meta_t rx_metadata = {};
+	rx_metadata.flushPartialPacket = false;
+	rx_metadata.waitForTimestamp = false;
+	rx_metadata.timestamp = 0;
+
+	if (bufs.size() != chans) {
+		LOG(ALERT) << "Invalid channel combination " << bufs.size();
+		return -1;
+	}
+
+	*overrun = false;
+	*underrun = false;
+	for (i = 0; i<chans; i++) {
+		thread_enable_cancel(false);
+		rc = LMS_RecvStream(&m_lms_stream_rx[i], bufs[i], len, &rx_metadata, 100);
+		if (timestamp != (TIMESTAMP)rx_metadata.timestamp)
+			LOG(ALERT) << "chan "<< i << " recv buffer of len " << rc << " expect " << std::hex << timestamp << " got " << std::hex << (TIMESTAMP)rx_metadata.timestamp << " (" << std::hex << rx_metadata.timestamp <<") diff=" << rx_metadata.timestamp - timestamp;
+		if (rc != len) {
+			LOG(ALERT) << "LMS: Device receive timed out";
+		}
+
+		if (LMS_GetStreamStatus(&m_lms_stream_rx[i], &status) == 0) {
+			if (status.underrun > m_last_rx_underruns[i])
+				*underrun = true;
+			m_last_rx_underruns[i] = status.underrun;
+
+			if (status.overrun > m_last_rx_overruns[i])
+				*overrun = true;
+			m_last_rx_overruns[i] = status.overrun;
+		}
+		thread_enable_cancel(true);
+	}
+
+	samplesRead += rc;
+
+	if (((TIMESTAMP) rx_metadata.timestamp) < timestamp)
+		rc = 0;
+
+	return rc;
+}
+
+int LMSDevice::writeSamples(std::vector < short *>&bufs, int len,
+			    bool * underrun, unsigned long long timestamp,
+			    bool isControl)
+{
+	int rc;
+	unsigned int i;
+	lms_stream_status_t status;
+	lms_stream_meta_t tx_metadata = {};
+	tx_metadata.flushPartialPacket = false;
+	tx_metadata.waitForTimestamp = true;
+	tx_metadata.timestamp = timestamp - ts_offset;	/* Shift Tx time by offset */
+
+	if (isControl) {
+		LOG(ERR) << "Control packets not supported";
+		return 0;
+	}
+
+	if (bufs.size() != chans) {
+		LOG(ALERT) << "Invalid channel combination " << bufs.size();
+		return -1;
+	}
+
+	*underrun = false;
+
+	for (i = 0; i<chans; i++) {
+		LOG(DEBUG) << "chan "<< i << " send buffer of len " << len << " timestamp " << std::hex << tx_metadata.timestamp;
+		thread_enable_cancel(false);
+		rc = LMS_SendStream(&m_lms_stream_tx[i], bufs[i], len, &tx_metadata, 100);
+		if (rc != len) {
+			LOG(ALERT) << "LMS: Device send timed out";
+		}
+
+		if (LMS_GetStreamStatus(&m_lms_stream_tx[i], &status) == 0) {
+			if (status.underrun > m_last_tx_underruns[i])
+				*underrun = true;
+			m_last_tx_underruns[i] = status.underrun;
+		}
+		thread_enable_cancel(true);
+	}
+
+	samplesWritten += rc;
+
+	return rc;
+}
+
+bool LMSDevice::updateAlignment(TIMESTAMP timestamp)
+{
+	return true;
+}
+
+bool LMSDevice::setTxFreq(double wFreq, size_t chan)
+{
+
+	if (chan) {
+		LOG(ALERT) << "Invalid channel " << chan;
+		return false;
+	}
+
+	if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_TX, chan, wFreq) < 0) {
+		LOG(ALERT) << "set Tx: " << wFreq << " failed!";
+		return false;
+	}
+
+	return true;
+}
+
+bool LMSDevice::setRxFreq(double wFreq, size_t chan)
+{
+	if (chan) {
+		LOG(ALERT) << "Invalid channel " << chan;
+		return false;
+	}
+
+	if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_RX, chan, wFreq) < 0) {
+		LOG(ALERT) << "set Rx: " << wFreq << " failed!";
+		return false;
+	}
+
+	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)
+{
+	return new LMSDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
+}

Transceiver52M/device/lms/LMSDevice.h

@@ -0,0 +1,202 @@
+/*
+* Copyright 2018 sysmocom - s.f.m.c. GmbH
+*
+* This software is distributed under multiple licenses; see the COPYING file in the main directory for licensing information for this specific distribuion.
+*
+* This use of this software may be subject to additional restrictions.
+* See the LEGAL file in the main directory for details.
+
+    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.
+
+*/
+
+#ifndef _LMS_DEVICE_H_
+#define _LMS_DEVICE_H_
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "radioDevice.h"
+
+#include <sys/time.h>
+#include <math.h>
+#include <limits.h>
+#include <string>
+#include <iostream>
+#include <lime/LimeSuite.h>
+
+#define LIMESDR_TX_AMPL  0.3
+
+/** A class to handle a LimeSuite supported device */
+class LMSDevice:public RadioDevice {
+
+private:
+
+	static constexpr double masterClockRate = 52.0e6;
+
+	lms_device_t *m_lms_dev;
+	std::vector<lms_stream_t> m_lms_stream_rx;
+	std::vector<lms_stream_t> m_lms_stream_tx;
+
+	std::vector<uint32_t> m_last_rx_underruns;
+	std::vector<uint32_t> m_last_rx_overruns;
+	std::vector<uint32_t> m_last_tx_underruns;
+	std::vector<uint32_t> m_last_tx_overruns;
+
+	double actualSampleRate;	///< the actual USRP sampling rate
+
+	unsigned long long samplesRead;	///< number of samples read from LMS
+	unsigned long long samplesWritten;	///< number of samples sent to LMS
+
+	bool started;		///< flag indicates LMS has started
+	bool skipRx;		///< set if LMS is transmit-only.
+
+	TIMESTAMP ts_initial, ts_offset;
+
+	double rxGain;
+
+	int get_ant_idx(const std::string & name, bool dir_tx, size_t chan);
+	bool flush_recv(size_t num_pkts);
+
+public:
+
+	/** Object constructor */
+	LMSDevice(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);
+
+	/** Instantiate the LMS */
+	int open(const std::string &args, int ref, bool swap_channels);
+
+	/** Start the LMS */
+	bool start();
+
+	/** Stop the LMS */
+	bool stop();
+
+	/** Set priority not supported */
+	void setPriority(float prio = 0.5) {
+	}
+
+	enum TxWindowType getWindowType() {
+		return TX_WINDOW_LMS1;
+	}
+
+	/**
+	Read samples from the LMS.
+	@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 LMS does not have data to transmit, e.g. data not being sent fast enough
+	@param RSSI The received signal strength of the read result
+	@return The number of samples actually read
+	*/
+	int readSamples(std::vector < short *>&buf, int len, bool * overrun,
+			TIMESTAMP timestamp = 0xffffffff, bool * underrun =
+			NULL, unsigned *RSSI = NULL);
+	/**
+	Write samples to the LMS.
+	@param buf Contains the data to be written.
+	@param len number of samples to write.
+	@param underrun Set if LMS 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.
+	@param isControl Set if data is a control packet, e.g. a ping command
+	@return The number of samples actually written
+	*/
+	int writeSamples(std::vector < short *>&bufs, int len, bool * underrun,
+			 TIMESTAMP timestamp = 0xffffffff, bool isControl =
+			 false);
+
+	/** Update the alignment between the read and write timestamps */
+	bool updateAlignment(TIMESTAMP timestamp);
+
+	/** Set the transmitter frequency */
+	bool setTxFreq(double wFreq, size_t chan = 0);
+
+	/** Set the receiver frequency */
+	bool setRxFreq(double wFreq, size_t chan = 0);
+
+	/** Returns the starting write Timestamp*/
+	TIMESTAMP initialWriteTimestamp(void) {
+		return ts_initial;
+	}
+
+	/** Returns the starting read Timestamp*/
+	TIMESTAMP initialReadTimestamp(void) {
+		return ts_initial;
+	}
+
+	/** returns the full-scale transmit amplitude **/
+	double fullScaleInputValue() {
+		return(double) SHRT_MAX * LIMESDR_TX_AMPL;
+	}
+
+	/** returns the full-scale receive amplitude **/
+	double fullScaleOutputValue() {
+		return (double) SHRT_MAX;
+	}
+
+	/** sets the receive chan gain, returns the gain setting **/
+	double setRxGain(double dB, size_t chan = 0);
+
+	/** get the current receive gain */
+	double getRxGain(size_t chan = 0) {
+		return rxGain;
+	}
+
+	/** return maximum Rx Gain **/
+	double maxRxGain(void);
+
+	/** return minimum Rx Gain **/
+	double minRxGain(void);
+
+	/** sets the transmit chan gain, returns the gain setting **/
+	double setTxGain(double dB, size_t chan = 0);
+
+	/** return maximum Tx Gain **/
+	double maxTxGain(void);
+
+	/** return minimum Rx Gain **/
+	double minTxGain(void);
+
+	/** sets the RX path to use, returns true if successful and false otherwise */
+	bool setRxAntenna(const std::string & ant, size_t chan = 0);
+
+	/* return the used RX path */
+	std::string getRxAntenna(size_t chan = 0);
+
+	/** sets the RX path to use, returns true if successful and false otherwise */
+	bool setTxAntenna(const std::string & ant, size_t chan = 0);
+
+	/* return the used RX path */
+	std::string getTxAntenna(size_t chan = 0);
+
+	/** return whether user drives synchronization of Tx/Rx of USRP */
+        bool requiresRadioAlign();
+
+        /** return whether user drives synchronization of Tx/Rx of USRP */
+        virtual GSM::Time minLatency();
+
+	/** Return internal status values */
+	inline double getTxFreq(size_t chan = 0) {
+		return 0;
+	}
+	inline double getRxFreq(size_t chan = 0) {
+		return 0;
+	}
+	inline double getSampleRate() {
+		return actualSampleRate;
+	}
+	inline double numberRead() {
+		return samplesRead;
+	}
+	inline double numberWritten() {
+		return samplesWritten;
+	}
+};
+
+#endif // _LMS_DEVICE_H_

Transceiver52M/device/lms/Makefile.am

@@ -0,0 +1,10 @@
+include $(top_srcdir)/Makefile.common
+
+AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/..
+AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS) $(LMS_CFLAGS)
+
+noinst_HEADERS = LMSDevice.h
+
+noinst_LTLIBRARIES = libdevice.la
+
+libdevice_la_SOURCES = LMSDevice.cpp

Transceiver52M/device/radioDevice.h

@@ -18,11 +18,19 @@
 #include <string>
 #include <vector>
 
+#include "GSMCommon.h"
+#include "Logger.h"
+
+extern "C" {
+#include "config_defs.h"
+}
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #define GSMRATE       (1625e3/6)
+#define MCBTS_SPACING  800000.0
 
 /** a 64-bit virtual timestamp for radio data */
 typedef unsigned long long TIMESTAMP;
@@ -32,16 +40,30 @@ class RadioDevice {
 
   public:
   /* Available transport bus types */
-  enum TxWindowType { TX_WINDOW_USRP1, TX_WINDOW_FIXED };
+  enum TxWindowType { TX_WINDOW_USRP1, TX_WINDOW_FIXED, TX_WINDOW_LMS1 };
 
   /* Radio interface types */
-  enum RadioInterfaceType { NORMAL, RESAMP_64M, RESAMP_100M, DIVERSITY };
+  enum InterfaceType {
+    NORMAL,
+    RESAMP_64M,
+    RESAMP_100M,
+    MULTI_ARFCN,
+  };
 
-  static RadioDevice *make(size_t tx_sps, size_t rx_sps = 1, size_t chans = 1,
-                           bool diversity = false, double offset = 0.0);
+  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(const std::string &args = "", bool extref = false, bool swap_channels = false)=0;
+  virtual int open(const std::string &args, int ref, bool swap_channels)=0;
+
+  RadioDevice(size_t tx_sps, size_t rx_sps, InterfaceType type, size_t chans, 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(chans), lo_offset(offset),
+		tx_paths(tx_paths), rx_paths(rx_paths)
+	{ }
 
   virtual ~RadioDevice() { }
 
@@ -124,6 +146,24 @@ class RadioDevice {
   /** return minimum Tx Gain **/
   virtual double minTxGain(void) = 0;
 
+  /** sets the RX path to use, returns true if successful and false otherwise */
+  virtual bool setRxAntenna(const std::string &ant, size_t chan = 0) = 0;
+
+  /** return the used RX path */
+  virtual std::string getRxAntenna(size_t chan = 0) = 0;
+
+  /** sets the RX path to use, returns true if successful and false otherwise */
+  virtual bool setTxAntenna(const std::string &ant, size_t chan = 0) = 0;
+
+  /** return the used RX path */
+  virtual std::string getTxAntenna(size_t chan = 0) = 0;
+
+  /** return whether user drives synchronization of Tx/Rx of USRP */
+  virtual bool requiresRadioAlign() = 0;
+
+  /** Minimum latency that the device can achieve */
+  virtual GSM::Time minLatency() = 0;
+
   /** Return internal status values */
   virtual double getTxFreq(size_t chan = 0) = 0;
   virtual double getRxFreq(size_t chan = 0) = 0;
@@ -131,6 +171,39 @@ class RadioDevice {
   virtual double numberRead()=0;
   virtual double numberWritten()=0;
 
+  protected:
+  size_t tx_sps, rx_sps;
+  InterfaceType iface;
+  size_t chans;
+  double lo_offset;
+  std::vector<std::string> tx_paths, rx_paths;
+  bool set_antennas() {
+	unsigned int i;
+
+	for (i = 0; i < tx_paths.size(); i++) {
+		if (tx_paths[i] == "")
+			continue;
+		LOG(DEBUG) << "Configuring channel " << i << " with antenna " << tx_paths[i];
+		if (!setTxAntenna(tx_paths[i], i)) {
+			LOG(ALERT) << "Failed configuring channel " << i << " with antenna " << tx_paths[i];
+			return false;
+		}
+	}
+
+	for (i = 0; i < rx_paths.size(); i++) {
+		if (rx_paths[i] == "")
+			continue;
+		LOG(DEBUG) << "Configuring channel " << i << " with antenna " << rx_paths[i];
+		if (!setRxAntenna(rx_paths[i], i)) {
+			LOG(ALERT) << "Failed configuring channel " << i << " with antenna " << rx_paths[i];
+			return false;
+		}
+	}
+	LOG(INFO) << "Antennas configured successfully";
+	return true;
+  }
+
+
 };
 
 #endif

Transceiver52M/device/uhd/Makefile.am

@@ -0,0 +1,8 @@
+include $(top_srcdir)/Makefile.common
+
+AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/..
+AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS) $(UHD_CFLAGS)
+
+noinst_LTLIBRARIES = libdevice.la
+
+libdevice_la_SOURCES = UHDDevice.cpp

Transceiver52M/device/uhd/UHDDevice.cpp

@@ -1,8 +1,10 @@
 /*
- * Device support for Ettus Research UHD driver 
- * Written by Thomas Tsou <ttsou@vt.edu>
+ * Device support for Ettus Research UHD driver
  *
  * Copyright 2010,2011 Free Software Foundation, Inc.
+ * Copyright (C) 2015 Ettus Research LLC
+ *
+ * Author: Tom Tsou <tom.tsou@ettus.com>
  *
  * 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
@@ -19,6 +21,7 @@
  * See the COPYING file in the main directory for details.
  */
 
+#include <map>
 #include "radioDevice.h"
 #include "Threads.h"
 #include "Logger.h"
@@ -26,18 +29,18 @@
 #include <uhd/property_tree.hpp>
 #include <uhd/usrp/multi_usrp.hpp>
 #include <uhd/utils/thread_priority.hpp>
-#include <uhd/utils/msg.hpp>
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#define B2XX_CLK_RT      26e6
-#define E1XX_CLK_RT      52e6
-#define B100_BASE_RT     400000
-#define USRP2_BASE_RT    390625
+#ifndef USE_UHD_3_11
+#include <uhd/utils/msg.hpp>
+#endif
+
 #define USRP_TX_AMPL     0.3
 #define UMTRX_TX_AMPL    0.7
+#define LIMESDR_TX_AMPL  0.3
 #define SAMPLE_BUF_SZ    (1 << 20)
 
 /*
@@ -59,32 +62,27 @@ enum uhd_dev_type {
 	B100,
 	B200,
 	B210,
+	B2XX_MCBTS,
 	E1XX,
 	E3XX,
 	X3XX,
 	UMTRX,
-	NUM_USRP_TYPES,
-};
-
-struct uhd_dev_offset {
-	enum uhd_dev_type type;
-	size_t tx_sps;
-	size_t rx_sps;
-	double offset;
-	const std::string desc;
+	LIMESDR,
 };
 
 /*
  * USRP version dependent device timings
  */
-#ifdef USE_UHD_3_9
+#if defined(USE_UHD_3_9) || defined(USE_UHD_3_11)
 #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
 #else
 #define B2XX_TIMING_1SPS	9.9692e-5
 #define B2XX_TIMING_4SPS	6.9248e-5
 #define B2XX_TIMING_4_4SPS	4.52308e-5
+#define B2XX_TIMING_MCBTS	6.42452e-5
 #endif
 
 /*
@@ -97,77 +95,44 @@ struct uhd_dev_offset {
  * Notes:
  *   USRP1 with timestamps is not supported by UHD.
  */
-static struct uhd_dev_offset uhd_offsets[] = {
-	{ USRP1, 1, 1,       0.0, "USRP1 not supported" },
-	{ USRP1, 4, 1,       0.0, "USRP1 not supported"},
-	{ USRP2, 1, 1, 1.2184e-4, "N2XX 1 SPS" },
-	{ USRP2, 4, 1, 8.0230e-5, "N2XX 4 SPS" },
-	{ B100,  1, 1, 1.2104e-4, "B100 1 SPS" },
-	{ B100,  4, 1, 7.9307e-5, "B100 4 SPS" },
-	{ B200,  1, 1, B2XX_TIMING_1SPS, "B200 1 SPS" },
-	{ B200,  4, 1, B2XX_TIMING_4SPS, "B200 4 SPS" },
-	{ B210,  1, 1, B2XX_TIMING_1SPS, "B210 1 SPS" },
-	{ B210,  4, 1, B2XX_TIMING_4SPS, "B210 4 SPS" },
-	{ E1XX,  1, 1, 9.5192e-5, "E1XX 1 SPS" },
-	{ E1XX,  4, 1, 6.5571e-5, "E1XX 4 SPS" },
-	{ E3XX,  1, 1, 1.84616e-4, "E3XX 1 SPS" },
-	{ E3XX,  4, 1, 1.29231e-4, "E3XX 4 SPS" },
-	{ X3XX,  1, 1, 1.5360e-4, "X3XX 1 SPS"},
-	{ X3XX,  4, 1, 1.1264e-4, "X3XX 4 SPS"},
-	{ UMTRX, 1, 1, 9.9692e-5, "UmTRX 1 SPS" },
-	{ UMTRX, 4, 1, 7.3846e-5, "UmTRX 4 SPS" },
-	{ B200,  4, 4, B2XX_TIMING_4_4SPS, "B200/B210 EDGE mode (4 SPS TX/RX)" },
-	{ B210,  4, 4, B2XX_TIMING_4_4SPS, "B200/B210 EDGE mode (4 SPS TX/RX)" },
-	{ UMTRX, 4, 4, 5.1503e-5, "UmTRX EDGE mode (4 SPS TX/RX)" },
-};
-#define NUM_UHD_OFFSETS (sizeof(uhd_offsets)/sizeof(uhd_offsets[0]))
 
-/*
- * Offset handling for special cases. Currently used for UmTRX dual channel
- * diversity receiver only.
- */
-static struct uhd_dev_offset special_offsets[] = {
-	{ UMTRX, 1, 1, 8.0875e-5, "UmTRX diversity, 1 SPS" },
-	{ UMTRX, 4, 1, 5.2103e-5, "UmTRX diversity, 4 SPS" },
+/* 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;
 };
 
-
-/*
- * Select sample rate based on device type and requested samples-per-symbol.
- * The base rate is either GSM symbol rate, 270.833 kHz, or the minimum
- * usable channel spacing of 400 kHz.
- */
-static double select_rate(uhd_dev_type type, int sps, bool diversity = false)
-{
-	if (diversity && (type == UMTRX)) {
-		return GSMRATE * 4;
-	} else if (diversity) {
-		LOG(ALERT) << "Diversity supported on UmTRX only";
-		return -9999.99;
-	}
-
-	if ((sps != 4) && (sps != 1))
-		return -9999.99;
-
-	switch (type) {
-	case USRP2:
-	case X3XX:
-		return USRP2_BASE_RT * sps;
-	case B100:
-		return B100_BASE_RT * sps;
-	case B200:
-	case B210:
-	case E1XX:
-	case E3XX:
-	case UMTRX:
-		return GSMRATE * sps;
-	default:
-		break;
-	}
-
-	LOG(ALERT) << "Unknown device type " << type;
-	return -9999.99;
-}
+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"         } },
+	{ std::make_tuple(B100,  1, 1), { 1, 0.0,  400000,  1.2104e-4,  "B100 1 SPS"         } },
+	{ std::make_tuple(B100,  4, 1), { 1, 0.0,  400000,  7.9307e-5,  "B100 4/1 Tx/Rx SPS" } },
+	{ std::make_tuple(B200,  1, 1), { 1, 26e6, GSMRATE, B2XX_TIMING_1SPS, "B200 1 SPS"   } },
+	{ std::make_tuple(B200,  4, 1), { 1, 26e6, GSMRATE, B2XX_TIMING_4SPS, "B200 4/1 Tx/Rx SPS" } },
+	{ std::make_tuple(B200,  4, 4), { 1, 26e6, GSMRATE, B2XX_TIMING_4_4SPS, "B200 4 SPS" } },
+	{ std::make_tuple(B210,  1, 1), { 2, 26e6, GSMRATE, B2XX_TIMING_1SPS, "B210 1 SPS"    } },
+	{ std::make_tuple(B210,  4, 1), { 2, 26e6, GSMRATE, B2XX_TIMING_4SPS, "B210 4/1 Tx/Rx SPS" } },
+	{ std::make_tuple(B210,  4, 4), { 2, 26e6, GSMRATE, B2XX_TIMING_4_4SPS, "B210 4 SPS" } },
+	{ std::make_tuple(E1XX,  1, 1), { 1, 52e6, GSMRATE, 9.5192e-5,  "E1XX 1 SPS"         } },
+	{ std::make_tuple(E1XX,  4, 1), { 1, 52e6, GSMRATE, 6.5571e-5,  "E1XX 4/1 Tx/Rx SPS" } },
+	{ std::make_tuple(E3XX,  1, 1), { 2, 26e6, GSMRATE, 1.8462e-4,  "E3XX 1 SPS"         } },
+	{ std::make_tuple(E3XX,  4, 1), { 2, 26e6, GSMRATE, 1.2923e-4,  "E3XX 4/1 Tx/Rx SPS" } },
+	{ std::make_tuple(X3XX,  1, 1), { 2, 0.0,  390625,  1.5360e-4,  "X3XX 1 SPS"         } },
+	{ std::make_tuple(X3XX,  4, 1), { 2, 0.0,  390625,  1.1264e-4,  "X3XX 4/1 Tx/Rx SPS" } },
+	{ std::make_tuple(X3XX,  4, 4), { 2, 0.0,  390625,  5.6567e-5,  "X3XX 4 SPS"         } },
+	{ std::make_tuple(UMTRX, 1, 1), { 2, 0.0,  GSMRATE, 9.9692e-5,  "UmTRX 1 SPS"        } },
+	{ std::make_tuple(UMTRX, 4, 1), { 2, 0.0,  GSMRATE, 7.3846e-5,  "UmTRX 4/1 Tx/Rx SPS"} },
+	{ std::make_tuple(UMTRX, 4, 4), { 2, 0.0,  GSMRATE, 5.1503e-5,  "UmTRX 4 SPS"        } },
+	{ std::make_tuple(LIMESDR, 4, 4), { 1, GSMRATE*32, GSMRATE, 8.9e-5, "LimeSDR 4 SPS"  } },
+	{ std::make_tuple(B2XX_MCBTS, 4, 4), { 1, 51.2e6, MCBTS_SPACING*4, B2XX_TIMING_MCBTS, "B200/B210 4 SPS Multi-ARFCN" } },
+};
 
 /*
     Sample Buffer - Allows reading and writing of timed samples using osmo-trx
@@ -178,8 +143,8 @@ class smpl_buf {
 public:
 	/** Sample buffer constructor
 	    @param len number of 32-bit samples the buffer should hold
-	    @param rate sample clockrate 
-	    @param timestamp 
+	    @param rate sample clockrate
+	    @param timestamp
 	*/
 	smpl_buf(size_t len, double rate);
 	~smpl_buf();
@@ -207,7 +172,7 @@ public:
 	*/
 	std::string str_status(size_t ts) const;
 
-	/** Formatted error string 
+	/** Formatted error string
 	    @param code an error code
 	    @return a formatted error string
 	*/
@@ -242,11 +207,13 @@ private:
 */
 class uhd_device : public RadioDevice {
 public:
-	uhd_device(size_t tx_sps, size_t rx_sps,
-		   size_t chans, bool diversity, double offset);
+	uhd_device(size_t tx_sps, size_t rx_sps, InterfaceType type,
+		   size_t chans, double offset,
+		   const std::vector<std::string>& tx_paths,
+		   const std::vector<std::string>& rx_paths);
 	~uhd_device();
 
-	int open(const std::string &args, bool extref, bool swap_channels);
+	int open(const std::string &args, int ref, bool swap_channels);
 	bool start();
 	bool stop();
 	bool restart();
@@ -264,8 +231,8 @@ public:
 	bool setTxFreq(double wFreq, size_t chan);
 	bool setRxFreq(double wFreq, size_t chan);
 
-	inline TIMESTAMP initialWriteTimestamp();
-	inline TIMESTAMP initialReadTimestamp();
+	TIMESTAMP initialWriteTimestamp();
+	TIMESTAMP initialReadTimestamp();
 
 	double fullScaleInputValue();
 	double fullScaleOutputValue();
@@ -283,6 +250,15 @@ public:
 	double getRxFreq(size_t chan);
 	double getRxFreq();
 
+	bool setRxAntenna(const std::string &ant, size_t chan);
+	std::string getRxAntenna(size_t chan);
+	bool setTxAntenna(const std::string &ant, size_t chan);
+	std::string getTxAntenna(size_t chan);
+
+	bool requiresRadioAlign();
+
+	GSM::Time minLatency();
+
 	inline double getSampleRate() { return tx_rate; }
 	inline double numberRead() { return rx_pkt_cnt; }
 	inline double numberWritten() { return 0; }
@@ -306,12 +282,10 @@ private:
 	enum TxWindowType tx_window;
 	enum uhd_dev_type dev_type;
 
-	size_t tx_sps, rx_sps, chans;
 	double tx_rate, rx_rate;
 
 	double tx_gain_min, tx_gain_max;
 	double rx_gain_min, rx_gain_max;
-	double offset;
 
 	std::vector<double> tx_gains, rx_gains;
 	std::vector<double> tx_freqs, rx_freqs;
@@ -328,9 +302,8 @@ private:
 	std::vector<smpl_buf *> rx_buffers;
 
 	void init_gains();
-	double get_dev_offset(bool edge, bool diversity);
-	int set_master_clk(double rate);
-	int set_rates(double tx_rate, double rx_rate);
+	void set_channels(bool swap);
+	void set_rates();
 	bool parse_dev_type();
 	bool flush_recv(size_t num_pkts);
 	int check_rx_md_err(uhd::rx_metadata_t &md, ssize_t num_smpls);
@@ -342,7 +315,6 @@ private:
 	bool set_freq(double freq, size_t chan, bool tx);
 
 	Thread *async_event_thrd;
-	bool diversity;
 	Mutex tune_lock;
 };
 
@@ -358,7 +330,8 @@ void *async_event_loop(uhd_device *dev)
 	return NULL;
 }
 
-/* 
+#ifndef USE_UHD_3_11
+/*
     Catch and drop underrun 'U' and overrun 'O' messages from stdout
     since we already report using the logging facility. Direct
     everything else appropriately.
@@ -379,6 +352,7 @@ void uhd_msg_handler(uhd::msg::type_t type, const std::string &msg)
 		break;
 	}
 }
+#endif
 
 static void thread_enable_cancel(bool cancel)
 {
@@ -387,18 +361,16 @@ static void thread_enable_cancel(bool cancel)
 }
 
 uhd_device::uhd_device(size_t tx_sps, size_t rx_sps,
-		       size_t chans, bool diversity, double offset)
-	: tx_gain_min(0.0), tx_gain_max(0.0),
+		       InterfaceType iface, size_t chans, double lo_offset,
+		       const std::vector<std::string>& tx_paths,
+		       const std::vector<std::string>& rx_paths)
+	: RadioDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths),
+	  tx_gain_min(0.0), tx_gain_max(0.0),
 	  rx_gain_min(0.0), rx_gain_max(0.0),
 	  tx_spp(0), rx_spp(0),
 	  started(false), aligned(false), rx_pkt_cnt(0), drop_cnt(0),
-	  prev_ts(0,0), ts_initial(0), ts_offset(0)
+	  prev_ts(0,0), ts_initial(0), ts_offset(0), async_event_thrd(NULL)
 {
-	this->tx_sps = tx_sps;
-	this->rx_sps = rx_sps;
-	this->chans = chans;
-	this->offset = offset;
-	this->diversity = diversity;
 }
 
 uhd_device::~uhd_device()
@@ -457,130 +429,29 @@ void uhd_device::init_gains()
 
 }
 
-double uhd_device::get_dev_offset(bool edge, bool diversity)
+void uhd_device::set_rates()
 {
-	struct uhd_dev_offset *offset = NULL;
+	dev_desc desc = dev_param_map.at(dev_key(dev_type, tx_sps, rx_sps));
+	if (desc.mcr != 0.0)
+		usrp_dev->set_master_clock_rate(desc.mcr);
 
-	/* Reject USRP1 */
-	if (dev_type == USRP1) {
-		LOG(ERR) << "Invalid device type";
-		return 0.0;
-	}
+	tx_rate = (dev_type != B2XX_MCBTS) ? desc.rate * tx_sps : desc.rate;
+	rx_rate = (dev_type != B2XX_MCBTS) ? desc.rate * rx_sps : desc.rate;
 
-	if (edge && diversity) {
-		LOG(ERR) << "Unsupported configuration";
-		return 0.0;
-	}
+	usrp_dev->set_tx_rate(tx_rate);
+	usrp_dev->set_rx_rate(rx_rate);
+	tx_rate = usrp_dev->get_tx_rate();
+	rx_rate = usrp_dev->get_rx_rate();
 
-	if (edge && (dev_type != B200) &&
-	    (dev_type != B210) && (dev_type != UMTRX)) {
-		LOG(ALERT) << "EDGE is supported on B200/B210 and UmTRX only";
-		return 0.0;
-	}
-
-	/* Special cases (e.g. diversity receiver) */
-	if (diversity) {
-		if (dev_type != UMTRX) {
-			LOG(ALERT) << "Diversity on UmTRX only";
-			return 0.0;
-		}
-
-		switch (tx_sps) {
-		case 1:
-			offset = &special_offsets[0];
-			break;
-		case 4:
-		default:
-			offset = &special_offsets[1];
-		}
-	} else {
-		/* Search for matching offset value */
-		for (size_t i = 0; i < NUM_UHD_OFFSETS; i++) {
-			if ((dev_type == uhd_offsets[i].type) &&
-				(tx_sps == uhd_offsets[i].tx_sps) &&
-				(rx_sps == uhd_offsets[i].rx_sps)) {
-				offset = &uhd_offsets[i];
-				break;
-			}
-		}
-	}
-
-	if (!offset) {
-		LOG(ERR) << "Invalid device configuration";
-		return 0.0;
-	}
-
-	std::cout << "-- Setting " << offset->desc << std::endl;
-
-	return offset->offset;
-}
-
-int uhd_device::set_master_clk(double clk_rate)
-{
-	double actual, offset, limit = 1.0;
-
-	try {
-		usrp_dev->set_master_clock_rate(clk_rate);
-	} catch (const std::exception &ex) {
-		LOG(ALERT) << "UHD clock rate setting failed: " << clk_rate;
-		LOG(ALERT) << ex.what();
-		return -1;
-	}
-
-	actual = usrp_dev->get_master_clock_rate();
-	offset = fabs(clk_rate - actual);
-
-	if (offset > limit) {
-		LOG(ALERT) << "Failed to set master clock rate";
-		LOG(ALERT) << "Requested clock rate " << clk_rate;
-		LOG(ALERT) << "Actual clock rate " << actual;
-		return -1;
-	}
-
-	return 0;
-}
-
-int uhd_device::set_rates(double tx_rate, double rx_rate)
-{
-	double offset_limit = 1.0;
-	double tx_offset, rx_offset;
-
-	/* B2XX and E1xx are the only device where we set FPGA clocking */
-	if ((dev_type == B200) || (dev_type == B210) || (dev_type == E3XX)) {
-		if (set_master_clk(B2XX_CLK_RT) < 0)
-			return -1;
-	}
-	else if (dev_type == E1XX) {
-		if (set_master_clk(E1XX_CLK_RT) < 0)
-			return -1;
-	}
-
-	// Set sample rates
-	try {
-		usrp_dev->set_tx_rate(tx_rate);
-		usrp_dev->set_rx_rate(rx_rate);
-	} catch (const std::exception &ex) {
-		LOG(ALERT) << "UHD rate setting failed";
-		LOG(ALERT) << ex.what();
-		return -1;
-	}
-	this->tx_rate = usrp_dev->get_tx_rate();
-	this->rx_rate = usrp_dev->get_rx_rate();
-
-	tx_offset = fabs(this->tx_rate - tx_rate);
-	rx_offset = fabs(this->rx_rate - rx_rate);
-	if ((tx_offset > offset_limit) || (rx_offset > offset_limit)) {
-		LOG(ALERT) << "Actual sample rate differs from desired rate";
-		LOG(ALERT) << "Tx/Rx (" << this->tx_rate << "/"
-			   << this->rx_rate << ")";
-		return -1;
-	}
-
-	return 0;
+	ts_offset = static_cast<TIMESTAMP>(desc.offset * rx_rate);
+	LOG(INFO) << "Rates configured for " << desc.str;
 }
 
 double uhd_device::setTxGain(double db, size_t chan)
 {
+	if (iface == MULTI_ARFCN)
+		chan = 0;
+
 	if (chan >= tx_gains.size()) {
 		LOG(ALERT) << "Requested non-existent channel" << chan;
 		return 0.0f;
@@ -627,6 +498,9 @@ double uhd_device::setRxGain(double db, size_t chan)
 
 double uhd_device::getRxGain(size_t chan)
 {
+	if (iface == MULTI_ARFCN)
+		chan = 0;
+
 	if (chan >= rx_gains.size()) {
 		LOG(ALERT) << "Requested non-existent channel " << chan;
 		return 0.0f;
@@ -643,81 +517,41 @@ double uhd_device::getRxGain(size_t chan)
  */
 bool uhd_device::parse_dev_type()
 {
-	std::string mboard_str, dev_str;
-	uhd::property_tree::sptr prop_tree;
-	size_t usrp1_str, usrp2_str, e100_str, e110_str, e310_str, e3xx_str,
-	       b100_str, b200_str, b210_str, x300_str, x310_str, umtrx_str;
+	uhd::property_tree::sptr prop_tree = usrp_dev->get_device()->get_tree();
+	std::string devString = prop_tree->access<std::string>("/name").get();
+	std::string mboardString = usrp_dev->get_mboard_name();
 
-	prop_tree = usrp_dev->get_device()->get_tree();
-	dev_str = prop_tree->access<std::string>("/name").get();
-	mboard_str = usrp_dev->get_mboard_name();
+	const std::map<std::string, std::pair<uhd_dev_type, TxWindowType>> devStringMap {
+		{ "B100",     { B100,    TX_WINDOW_USRP1 } },
+		{ "B200",     { B200,    TX_WINDOW_USRP1 } },
+		{ "B200mini", { B200,    TX_WINDOW_USRP1 } },
+		{ "B205mini", { B200,    TX_WINDOW_USRP1 } },
+		{ "B210",     { B210,    TX_WINDOW_USRP1 } },
+		{ "E100",     { E1XX,    TX_WINDOW_FIXED } },
+		{ "E110",     { E1XX,    TX_WINDOW_FIXED } },
+		{ "E310",     { E3XX,    TX_WINDOW_FIXED } },
+		{ "E3XX",     { E3XX,    TX_WINDOW_FIXED } },
+		{ "X300",     { X3XX,    TX_WINDOW_FIXED } },
+		{ "X310",     { X3XX,    TX_WINDOW_FIXED } },
+		{ "USRP2",    { USRP2,   TX_WINDOW_FIXED } },
+		{ "UmTRX",    { UMTRX,   TX_WINDOW_FIXED } },
+		{ "LimeSDR",  { LIMESDR, TX_WINDOW_FIXED } },
+	};
 
-	usrp1_str = dev_str.find("USRP1");
-	usrp2_str = dev_str.find("USRP2");
-	b100_str = mboard_str.find("B100");
-	b200_str = mboard_str.find("B200");
-	b210_str = mboard_str.find("B210");
-	e100_str = mboard_str.find("E100");
-	e110_str = mboard_str.find("E110");
-	e310_str = mboard_str.find("E310");
-	e3xx_str = mboard_str.find("E3XX");
-	x300_str = mboard_str.find("X300");
-	x310_str = mboard_str.find("X310");
-	umtrx_str = dev_str.find("UmTRX");
-
-	if (usrp1_str != std::string::npos) {
-		LOG(ALERT) << "USRP1 is not supported using the UHD driver";
-		LOG(ALERT) << "Please compile with GNU Radio libusrp support";
-		dev_type = USRP1;
-		return false;
+	// Compare UHD motherboard and device strings */
+	auto mapIter = devStringMap.begin();
+	while (mapIter != devStringMap.end()) {
+		if (devString.find(mapIter->first) != std::string::npos ||
+		    mboardString.find(mapIter->first) != std::string::npos) {
+			dev_type = std::get<0>(mapIter->second);
+			tx_window = std::get<1>(mapIter->second);
+			return true;
+		}
+		mapIter++;
 	}
 
-	if (b100_str != std::string::npos) {
-		tx_window = TX_WINDOW_USRP1;
-		dev_type = B100;
-	} else if (b200_str != std::string::npos) {
-		tx_window = TX_WINDOW_USRP1;
-		dev_type = B200;
-	} else if (b210_str != std::string::npos) {
-		tx_window = TX_WINDOW_USRP1;
-		dev_type = B210;
-	} else if (e100_str != std::string::npos) {
-		tx_window = TX_WINDOW_FIXED;
-		dev_type = E1XX;
-	} else if (e110_str != std::string::npos) {
-		tx_window = TX_WINDOW_FIXED;
-		dev_type = E1XX;
-	} else if (usrp2_str != std::string::npos) {
-		tx_window = TX_WINDOW_FIXED;
-		dev_type = USRP2;
-	} else if ((e310_str != std::string::npos) ||
-		   (e3xx_str != std::string::npos)) {
-		tx_window = TX_WINDOW_FIXED;
-		dev_type = E3XX;
-	} else if (x300_str != std::string::npos) {
-		tx_window = TX_WINDOW_FIXED;
-		dev_type = X3XX;
-	} else if (x310_str != std::string::npos) {
-		tx_window = TX_WINDOW_FIXED;
-		dev_type = X3XX;
-	} else if (umtrx_str != std::string::npos) {
-		tx_window = TX_WINDOW_FIXED;
-		dev_type = UMTRX;
-	} else {
-		LOG(ALERT) << "Unknown UHD device type "
-			   << dev_str << " " << mboard_str;
-		return false;
-	}
-
-	if (tx_window == TX_WINDOW_USRP1) {
-		LOG(INFO) << "Using USRP1 type transmit window for "
-			  << dev_str << " " << mboard_str;
-	} else {
-		LOG(INFO) << "Using fixed transmit window for "
-			  << dev_str << " " << mboard_str;
-	}
-
-	return true;
+	LOG(ALERT) << "Unsupported device " << devString;
+	return false;
 }
 
 /*
@@ -740,8 +574,49 @@ static bool uhd_e3xx_version_chk()
 	return true;
 }
 
-int uhd_device::open(const std::string &args, bool extref, bool swap_channels)
+void uhd_device::set_channels(bool swap)
 {
+	if (iface == MULTI_ARFCN) {
+		if (dev_type != B200 && dev_type != B210)
+			throw std::invalid_argument("Device does not support MCBTS");
+		dev_type = B2XX_MCBTS;
+		chans = 1;
+	}
+
+	if (chans > dev_param_map.at(dev_key(dev_type, tx_sps, rx_sps)).channels)
+		throw std::invalid_argument("Device does not support number of requested channels");
+
+	std::string subdev_string;
+	switch (dev_type) {
+	case B210:
+	case E3XX:
+		if (chans == 1)
+			subdev_string = swap ? "A:B" : "A:A";
+		else if (chans == 2)
+			subdev_string = swap ? "A:B A:A" : "A:A A:B";
+		break;
+	case X3XX:
+	case UMTRX:
+		if (chans == 1)
+			subdev_string = swap ? "B:0" : "A:0";
+		else if (chans == 2)
+			subdev_string = swap ? "B:0 A:0" : "A:0 B:0";
+		break;
+	default:
+		break;
+	}
+
+	if (!subdev_string.empty()) {
+		uhd::usrp::subdev_spec_t spec(subdev_string);
+		usrp_dev->set_tx_subdev_spec(spec);
+		usrp_dev->set_rx_subdev_spec(spec);
+	}
+}
+
+int uhd_device::open(const std::string &args, int ref, bool swap_channels)
+{
+	const char *refstr;
+
 	// Find UHD devices
 	uhd::device_addr_t addr(args);
 	uhd::device_addrs_t dev_addrs = uhd::device::find(addr);
@@ -768,14 +643,15 @@ int uhd_device::open(const std::string &args, bool extref, bool swap_channels)
 		return -1;
 	}
 
-	// Verify and set channels
-	if ((dev_type == B210) && (chans == 2)) {
-	} else if ((dev_type == UMTRX) && (chans == 2)) {
-		uhd::usrp::subdev_spec_t subdev_spec(swap_channels?"B:0 A:0":"A:0 B:0");
-		usrp_dev->set_tx_subdev_spec(subdev_spec);
-		usrp_dev->set_rx_subdev_spec(subdev_spec);
-	} else if (chans != 1) {
-		LOG(ALERT) << "Invalid channel combination for device";
+	try {
+		set_channels(swap_channels);
+        } catch (const std::exception &e) {
+		LOG(ALERT) << "Channel setting failed - " << e.what();
+		return -1;
+	}
+
+	if (!set_antennas()) {
+		LOG(ALERT) << "UHD antenna setting failed";
 		return -1;
 	}
 
@@ -785,25 +661,41 @@ int uhd_device::open(const std::string &args, bool extref, bool swap_channels)
 	rx_gains.resize(chans);
 	rx_buffers.resize(chans);
 
-	if (extref)
-		usrp_dev->set_clock_source("external");
-
-	// Set rates
-	double _tx_rate = select_rate(dev_type, tx_sps);
-	double _rx_rate = select_rate(dev_type, rx_sps, diversity);
-
-	if ((_tx_rate < 0.0) || (_rx_rate < 0.0))
+	switch (ref) {
+	case REF_INTERNAL:
+		refstr = "internal";
+		break;
+	case REF_EXTERNAL:
+		refstr = "external";
+		break;
+	case REF_GPS:
+		refstr = "gpsdo";
+		break;
+	default:
+		LOG(ALERT) << "Invalid reference type";
 		return -1;
-	if (set_rates(_tx_rate, _rx_rate) < 0)
+	}
+
+	usrp_dev->set_clock_source(refstr);
+
+	try {
+		set_rates();
+        } catch (const std::exception &e) {
+		LOG(ALERT) << "UHD rate setting failed - " << e.what();
 		return -1;
+	}
 
 	// Set RF frontend bandwidth
 	if (dev_type == UMTRX) {
 		// Setting LMS6002D LPF to 500kHz gives us the best signal quality
 		for (size_t i = 0; i < chans; i++) {
 			usrp_dev->set_tx_bandwidth(500*1000*2, i);
-			if (!diversity)
-				usrp_dev->set_rx_bandwidth(500*1000*2, i);
+			usrp_dev->set_rx_bandwidth(500*1000*2, i);
+		}
+	} else if (dev_type == LIMESDR) {
+		for (size_t i = 0; i < chans; i++) {
+			usrp_dev->set_tx_bandwidth(5.2e6, i);
+			usrp_dev->set_rx_bandwidth(1.4001e6, i);
 		}
 	}
 
@@ -824,29 +716,14 @@ int uhd_device::open(const std::string &args, bool extref, bool swap_channels)
 	for (size_t i = 0; i < rx_buffers.size(); i++)
 		rx_buffers[i] = new smpl_buf(buf_len, rx_rate);
 
-	// Set receive chain sample offset. Trigger the EDGE offset
-	// table by checking for 4 SPS on the receive path. No other
-	// configuration supports using 4 SPS.
-	bool edge = false;
-	if (rx_sps == 4)
-		edge = true;
-
-	double offset = get_dev_offset(edge, diversity);
-	if (offset == 0.0) {
-		LOG(ERR) << "Unsupported configuration, no correction applied";
-		ts_offset = 0;
-	} else  {
-		ts_offset = (TIMESTAMP) (offset * rx_rate);
-	}
-
-	// Initialize and shadow gain values 
+	// Initialize and shadow gain values
 	init_gains();
 
 	// Print configuration
 	LOG(INFO) << "\n" << usrp_dev->get_pp_string();
 
-	if (diversity)
-		return DIVERSITY;
+	if (iface == MULTI_ARFCN)
+		return MULTI_ARFCN;
 
 	switch (dev_type) {
 	case B100:
@@ -858,6 +735,7 @@ int uhd_device::open(const std::string &args, bool extref, bool swap_channels)
 	case B210:
 	case E1XX:
 	case E3XX:
+	case LIMESDR:
 	default:
 		break;
 	}
@@ -927,9 +805,10 @@ bool uhd_device::start()
 		return false;
 	}
 
+#ifndef USE_UHD_3_11
 	// Register msg handler
 	uhd::msg::register_handler(&uhd_msg_handler);
-
+#endif
 	// Start asynchronous event (underrun check) loop
 	async_event_thrd = new Thread();
 	async_event_thrd->start((void * (*)(void*))async_event_loop, (void*)this);
@@ -972,8 +851,6 @@ void uhd_device::setPriority(float prio)
 
 int uhd_device::check_rx_md_err(uhd::rx_metadata_t &md, ssize_t num_smpls)
 {
-	uhd::time_spec_t ts;
-
 	if (!num_smpls) {
 		LOG(ERR) << str_code(md);
 
@@ -996,18 +873,21 @@ int uhd_device::check_rx_md_err(uhd::rx_metadata_t &md, ssize_t num_smpls)
 		return ERROR_UNRECOVERABLE;
 	}
 
-	ts = md.time_spec;
-
 	// Monotonicity check
-	if (ts < prev_ts) {
+	if (md.time_spec < prev_ts) {
 		LOG(ALERT) << "UHD: Loss of monotonic time";
-		LOG(ALERT) << "Current time: " << ts.get_real_secs() << ", " 
+		LOG(ALERT) << "Current time: " << md.time_spec.get_real_secs() << ", "
 			   << "Previous time: " << prev_ts.get_real_secs();
 		return ERROR_TIMING;
-	} else {
-		prev_ts = ts;
 	}
 
+	// Workaround for UHD tick rounding bug
+	TIMESTAMP ticks = md.time_spec.to_ticks(rx_rate);
+	if (ticks - prev_ts.to_ticks(rx_rate) == rx_spp - 1)
+		md.time_spec = uhd::time_spec_t::from_ticks(++ticks, rx_rate);
+
+	prev_ts = md.time_spec;
+
 	return 0;
 }
 
@@ -1057,7 +937,7 @@ int uhd_device::readSamples(std::vector<short *> &bufs, int len, bool *overrun,
 
 		rx_pkt_cnt++;
 
-		// Check for errors 
+		// Check for errors
 		rc = check_rx_md_err(metadata, num_smpls);
 		switch (rc) {
 		case ERROR_UNRECOVERABLE:
@@ -1168,8 +1048,8 @@ uhd::tune_request_t uhd_device::select_freq(double freq, size_t chan, bool tx)
 	uhd::tune_request_t treq(freq);
 
 	if (dev_type == UMTRX) {
-		if (offset != 0.0)
-			return uhd::tune_request_t(freq, offset);
+		if (lo_offset != 0.0)
+			return uhd::tune_request_t(freq, lo_offset);
 
 		// Don't use DSP tuning, because LMS6002D PLL steps are small enough.
 		// We end up with DSP tuning just for 2-3Hz, which is meaningless and
@@ -1181,10 +1061,10 @@ uhd::tune_request_t uhd_device::select_freq(double freq, size_t chan, bool tx)
 		treq.dsp_freq = 0.0;
 		return treq;
 	} else if (chans == 1) {
-		if (offset == 0.0)
+		if (lo_offset == 0.0)
 			return treq;
 
-		return uhd::tune_request_t(freq, offset);
+		return uhd::tune_request_t(freq, lo_offset);
 	} else if ((dev_type != B210) || (chans > 2) || (chan > 1)) {
 		LOG(ALERT) << chans << " channels unsupported";
 		return treq;
@@ -1201,7 +1081,7 @@ uhd::tune_request_t uhd_device::select_freq(double freq, size_t chan, bool tx)
 
 	/* Find center frequency between channels */
 	rf_spread = fabs(freqs[!chan] - freq);
-	if (rf_spread > B2XX_CLK_RT) {
+	if (rf_spread > dev_param_map.at(dev_key(B210, tx_sps, rx_sps)).mcr) {
 		LOG(ALERT) << rf_spread << "Hz tuning spread not supported\n";
 		return treq;
 	}
@@ -1296,6 +1176,91 @@ double uhd_device::getRxFreq(size_t chan)
 	return rx_freqs[chan];
 }
 
+bool uhd_device::setRxAntenna(const std::string &ant, size_t chan)
+{
+	std::vector<std::string> avail;
+	if (chan >= rx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return false;
+	}
+
+	avail = usrp_dev->get_rx_antennas(chan);
+	if (std::find(avail.begin(), avail.end(), ant) == avail.end()) {
+		LOG(ALERT) << "Requested non-existent Rx antenna " << ant << " on channel " << chan;
+		LOG(INFO) << "Available Rx antennas: ";
+		for (std::vector<std::string>::const_iterator i = avail.begin(); i != avail.end(); ++i)
+			LOG(INFO) << "- '" << *i << "'";
+		return false;
+	}
+	usrp_dev->set_rx_antenna(ant, chan);
+	rx_paths[chan] = usrp_dev->get_rx_antenna(chan);
+
+	if (ant != rx_paths[chan]) {
+		LOG(ALERT) << "Failed setting antenna " << ant << " on channel " << chan << ", got instead " << rx_paths[chan];
+		return false;
+	}
+
+	return true;
+}
+
+std::string uhd_device::getRxAntenna(size_t chan)
+{
+	if (chan >= rx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return "";
+	}
+	return usrp_dev->get_rx_antenna(chan);
+}
+
+bool uhd_device::setTxAntenna(const std::string &ant, size_t chan)
+{
+	std::vector<std::string> avail;
+	if (chan >= tx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return false;
+	}
+
+	avail = usrp_dev->get_tx_antennas(chan);
+	if (std::find(avail.begin(), avail.end(), ant) == avail.end()) {
+		LOG(ALERT) << "Requested non-existent Tx antenna " << ant << " on channel " << chan;
+		LOG(INFO) << "Available Tx antennas: ";
+		for (std::vector<std::string>::const_iterator i = avail.begin(); i != avail.end(); ++i)
+			LOG(INFO) << "- '" << *i << "'";
+		return false;
+	}
+	usrp_dev->set_tx_antenna(ant, chan);
+	tx_paths[chan] = usrp_dev->get_tx_antenna(chan);
+
+	if (ant != tx_paths[chan]) {
+		LOG(ALERT) << "Failed setting antenna " << ant << " on channel " << chan << ", got instead " << tx_paths[chan];
+		return false;
+	}
+
+	return true;
+}
+
+std::string uhd_device::getTxAntenna(size_t chan)
+{
+	if (chan >= tx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return "";
+	}
+	return usrp_dev->get_tx_antenna(chan);
+}
+
+bool uhd_device::requiresRadioAlign()
+{
+	return false;
+}
+
+GSM::Time uhd_device::minLatency() {
+	/* Empirical data from a handful of
+	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);
+}
+
 /*
  * Only allow sampling the Rx path lower than Tx and not vice-versa.
  * Using Tx with 4 SPS and Rx at 1 SPS is the only allowed mixed
@@ -1303,7 +1268,7 @@ double uhd_device::getRxFreq(size_t chan)
  */
 TIMESTAMP uhd_device::initialWriteTimestamp()
 {
-	if (rx_sps == tx_sps)
+	if ((iface == MULTI_ARFCN) || (rx_sps == tx_sps))
 		return ts_initial;
 	else
 		return ts_initial * tx_sps;
@@ -1316,6 +1281,8 @@ TIMESTAMP uhd_device::initialReadTimestamp()
 
 double uhd_device::fullScaleInputValue()
 {
+	if (dev_type == LIMESDR)
+		return (double) SHRT_MAX * LIMESDR_TX_AMPL;
 	if (dev_type == UMTRX)
 		return (double) SHRT_MAX * UMTRX_TX_AMPL;
 	else
@@ -1580,7 +1547,9 @@ std::string smpl_buf::str_code(ssize_t code)
 }
 
 RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps,
-			       size_t chans, bool diversity, double offset)
+			       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(tx_sps, rx_sps, chans, diversity, offset);
+	return new uhd_device(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
 }

Transceiver52M/device/usrp1/Makefile.am

@@ -0,0 +1,10 @@
+include $(top_srcdir)/Makefile.common
+
+AM_CPPFLAGS = -Wall $(STD_DEFINES_AND_INCLUDES) -I${srcdir}/..
+AM_CXXFLAGS = -lpthread $(LIBOSMOCORE_CFLAGS) $(LIBOSMOCTRL_CFLAGS) $(LIBOSMOVTY_CFLAGS) $(USRP_CFLAGS)
+
+noinst_HEADERS = USRPDevice.h
+
+noinst_LTLIBRARIES = libdevice.la
+
+libdevice_la_SOURCES = USRPDevice.cpp

Transceiver52M/device/usrp1/USRPDevice.cpp

@@ -27,17 +27,16 @@
 	Compilation Flags
 
 	SWLOOPBACK	compile for software loopback testing
-*/ 
+*/
 
 
 #include <stdint.h>
 #include <string.h>
 #include <stdlib.h>
+#include "Logger.h"
 #include "Threads.h"
 #include "USRPDevice.h"
 
-#include <Logger.h>
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -59,12 +58,15 @@ const dboardConfigType dboardConfig = TXA_RXB;
 
 const double USRPDevice::masterClockRate = 52.0e6;
 
-USRPDevice::USRPDevice(size_t sps)
+USRPDevice::USRPDevice(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):
+		RadioDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths)
 {
   LOG(INFO) << "creating USRP device...";
 
-  this->sps = sps;
-  decimRate = (unsigned int) round(masterClockRate/((GSMRATE) * (double) sps));
+  decimRate = (unsigned int) round(masterClockRate/((GSMRATE) * (double) tx_sps));
   actualSampleRate = masterClockRate/decimRate;
   rxGain = 0;
 
@@ -74,14 +76,14 @@ USRPDevice::USRPDevice(size_t sps)
    * split sample rate Tx/Rx - 4/1 sps we need to need to
    * compensate for advance rather than delay.
    */
-  if (sps == 1)
+  if (tx_sps == 1)
     pingOffset = 272;
-  else if (sps == 4)
+  else if (tx_sps == 4)
     pingOffset = 269 - 7500;
   else
     pingOffset = 0;
 
-#ifdef SWLOOPBACK 
+#ifdef SWLOOPBACK
   samplePeriod = 1.0e6/actualSampleRate;
   loopbackBufferSize = 0;
   gettimeofday(&lastReadTime,NULL);
@@ -89,19 +91,19 @@ USRPDevice::USRPDevice(size_t sps)
 #endif
 }
 
-int USRPDevice::open(const std::string &, bool, bool)
+int USRPDevice::open(const std::string &, int, bool)
 {
   writeLock.unlock();
 
   LOG(INFO) << "opening USRP device..";
-#ifndef SWLOOPBACK 
+#ifndef SWLOOPBACK
   string rbf = "std_inband.rbf";
-  //string rbf = "inband_1rxhb_1tx.rbf"; 
+  //string rbf = "inband_1rxhb_1tx.rbf";
   m_uRx.reset();
   if (!skipRx) {
   try {
     m_uRx = usrp_standard_rx_sptr(usrp_standard_rx::make(
-                                        0, decimRate * sps, 1, -1,
+                                        0, decimRate * tx_sps, 1, -1,
                                         usrp_standard_rx::FPGA_MODE_NORMAL,
                                         1024, 16 * 8, rbf));
     m_uRx->set_fpga_master_clock_freq(masterClockRate);
@@ -145,7 +147,7 @@ int USRPDevice::open(const std::string &, bool, bool)
 
   if (!skipRx) m_uRx->stop();
   m_uTx->stop();
-  
+
 #endif
 
   switch (dboardConfig) {
@@ -176,19 +178,19 @@ int USRPDevice::open(const std::string &, bool, bool)
   samplesRead = 0;
   samplesWritten = 0;
   started = false;
-  
+
   return NORMAL;
 }
 
 
 
-bool USRPDevice::start() 
+bool USRPDevice::start()
 {
   LOG(INFO) << "starting USRP...";
-#ifndef SWLOOPBACK 
+#ifndef SWLOOPBACK
   if (!m_uRx && !skipRx) return false;
   if (!m_uTx) return false;
-  
+
   if (!skipRx) m_uRx->stop();
   m_uTx->stop();
 
@@ -218,8 +220,8 @@ bool USRPDevice::start()
   hi32Timestamp = 0;
   isAligned = false;
 
- 
-  if (!skipRx) 
+
+  if (!skipRx)
   started = (m_uRx->start() && m_uTx->start());
   else
   started = m_uTx->start();
@@ -230,14 +232,14 @@ bool USRPDevice::start()
 #endif
 }
 
-bool USRPDevice::stop() 
+bool USRPDevice::stop()
 {
-#ifndef SWLOOPBACK 
+#ifndef SWLOOPBACK
   if (!m_uRx) return false;
   if (!m_uTx) return false;
-  
+
   delete[] currData;
-  
+
   started = !(m_uRx->stop() && m_uTx->stop());
   return !started;
 #else
@@ -258,7 +260,7 @@ double USRPDevice::minTxGain()
 double USRPDevice::maxRxGain()
 {
   return m_dbRx->gain_max();
-} 
+}
 
 double USRPDevice::minRxGain()
 {
@@ -314,28 +316,76 @@ double USRPDevice::setRxGain(double dB, size_t chan)
   return dB;
 }
 
+bool USRPDevice::setRxAntenna(const std::string &ant, size_t chan)
+{
+	if (chan >= rx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return false;
+	}
+	LOG(ALERT) << "Not implemented";
+	return true;
+}
+
+std::string USRPDevice::getRxAntenna(size_t chan)
+{
+	if (chan >= rx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return "";
+	}
+	LOG(ALERT) << "Not implemented";
+	return "";
+}
+
+bool USRPDevice::setTxAntenna(const std::string &ant, size_t chan)
+{
+	if (chan >= tx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return false;
+	}
+	LOG(ALERT) << "Not implemented";
+	return true;
+}
+
+std::string USRPDevice::getTxAntenna(size_t chan)
+{
+	if (chan >= tx_paths.size()) {
+		LOG(ALERT) << "Requested non-existent channel " << chan;
+		return "";
+	}
+	LOG(ALERT) << "Not implemented";
+	return "";
+}
+
+bool USRPDevice::requiresRadioAlign()
+{
+	return true;
+}
+
+GSM::Time USRPDevice::minLatency() {
+	return GSM::Time(1,1);
+}
 
 // NOTE: Assumes sequential reads
 int USRPDevice::readSamples(std::vector<short *> &bufs, int len, bool *overrun,
                             TIMESTAMP timestamp, bool *underrun, unsigned *RSSI)
 {
-#ifndef SWLOOPBACK 
+#ifndef SWLOOPBACK
   if (!m_uRx)
     return 0;
 
   short *buf = bufs[0];
 
   timestamp += timestampOffset;
-  
+
   if (timestamp + len < timeStart) {
     memset(buf,0,len*2*sizeof(short));
     return len;
   }
 
   if (underrun) *underrun = false;
- 
+
   uint32_t readBuf[2000];
- 
+
   while (1) {
     //guestimate USB read size
     int readLen=0;
@@ -345,7 +395,7 @@ int USRPDevice::readSamples(std::vector<short *> &bufs, int len, bool *overrun,
       readLen = 512 * ((int) ceil((float) numSamplesNeeded/126.0));
       if (readLen > 8000) readLen= (8000/512)*512;
     }
-    
+
     // read USRP packets, parse and save A/D data as needed
     readLen = m_uRx->read((void *)readBuf,readLen,overrun);
     for(int pktNum = 0; pktNum < (readLen/512); pktNum++) {
@@ -382,13 +432,13 @@ int USRPDevice::readSamples(std::vector<short *> &bufs, int len, bool *overrun,
 	continue;
       }
       if ((word0 >> 28) & 0x04) {
-	if (underrun) *underrun = true; 
+	if (underrun) *underrun = true;
 	LOG(DEBUG) << "UNDERRUN in TRX->USRP interface";
       }
       if (RSSI) *RSSI = (word0 >> 21) & 0x3f;
-      
+
       if (!isAligned) continue;
-      
+
       unsigned cursorStart = pktTimestamp - timeStart + dataStart;
       while (cursorStart*2 > currDataSize) {
 	cursorStart -= currDataSize/2;
@@ -401,17 +451,17 @@ int USRPDevice::readSamples(std::vector<short *> &bufs, int len, bool *overrun,
       else {
 	memcpy(data+cursorStart*2,tmpBuf+2,payloadSz);
       }
-      if (pktTimestamp + payloadSz/2/sizeof(short) > timeEnd) 
+      if (pktTimestamp + payloadSz/2/sizeof(short) > timeEnd)
 	timeEnd = pktTimestamp+payloadSz/2/sizeof(short);
 
       LOG(DEBUG) << "timeStart: " << timeStart << ", timeEnd: " << timeEnd << ", pktTimestamp: " << pktTimestamp;
 
-    }	
-  }     
- 
+    }
+  }
+
   // copy desired data to buf
   unsigned bufStart = dataStart+(timestamp-timeStart);
-  if (bufStart + len < currDataSize/2) { 
+  if (bufStart + len < currDataSize/2) {
     LOG(DEBUG) << "bufStart: " << bufStart;
     memcpy(buf,data+bufStart*2,len*2*sizeof(short));
     memset(data+bufStart*2,0,len*2*sizeof(short));
@@ -429,21 +479,21 @@ int USRPDevice::readSamples(std::vector<short *> &bufs, int len, bool *overrun,
   timeStart = timestamp + len;
 
   return len;
-  
+
 #else
   if (loopbackBufferSize < 2) return 0;
   int numSamples = 0;
   struct timeval currTime;
   gettimeofday(&currTime,NULL);
-  double timeElapsed = (currTime.tv_sec - lastReadTime.tv_sec)*1.0e6 + 
+  double timeElapsed = (currTime.tv_sec - lastReadTime.tv_sec)*1.0e6 +
     (currTime.tv_usec - lastReadTime.tv_usec);
   if (timeElapsed < samplePeriod) {return 0;}
   int numSamplesToRead = (int) floor(timeElapsed/samplePeriod);
   if (numSamplesToRead < len) return 0;
-  
+
   if (numSamplesToRead > len) numSamplesToRead = len;
   if (numSamplesToRead > loopbackBufferSize/2) {
-    firstRead =false; 
+    firstRead =false;
     numSamplesToRead = loopbackBufferSize/2;
   }
   memcpy(buf,loopbackBuffer,sizeof(short)*2*numSamplesToRead);
@@ -461,7 +511,7 @@ int USRPDevice::readSamples(std::vector<short *> &bufs, int len, bool *overrun,
     firstRead = true;
   }
   samplesRead += numSamples;
-  
+
   return numSamples;
 #endif
 }
@@ -472,7 +522,7 @@ int USRPDevice::writeSamples(std::vector<short *> &bufs, int len,
 {
   writeLock.lock();
 
-#ifndef SWLOOPBACK 
+#ifndef SWLOOPBACK
   if (!m_uTx)
     return 0;
 
@@ -519,14 +569,14 @@ int USRPDevice::writeSamples(std::vector<short *> &bufs, int len,
   memcpy(loopbackBuffer+loopbackBufferSize,buf,sizeof(short)*2*len);
   samplesWritten += retVal;
   loopbackBufferSize += retVal*2;
-   
+
   return retVal;
 #endif
 }
 
-bool USRPDevice::updateAlignment(TIMESTAMP timestamp) 
+bool USRPDevice::updateAlignment(TIMESTAMP timestamp)
 {
-#ifndef SWLOOPBACK 
+#ifndef SWLOOPBACK
   short data[] = {0x00,0x02,0x00,0x00};
   uint32_t *wordPtr = (uint32_t *) data;
   *wordPtr = host_to_usrp_u32(*wordPtr);
@@ -543,7 +593,7 @@ bool USRPDevice::updateAlignment(TIMESTAMP timestamp)
 #endif
 }
 
-#ifndef SWLOOPBACK 
+#ifndef SWLOOPBACK
 bool USRPDevice::setTxFreq(double wFreq, size_t chan)
 {
   usrp_tune_result result;
@@ -601,7 +651,9 @@ bool USRPDevice::setRxFreq(double wFreq) { return true;};
 #endif
 
 RadioDevice *RadioDevice::make(size_t tx_sps, size_t rx_sps,
-			       size_t chans, bool diversity, double)
+			       InterfaceType iface, size_t chans, double lo_offset,
+			       const std::vector<std::string>& tx_paths,
+			       const std::vector<std::string>& rx_paths)
 {
-	return new USRPDevice(tx_sps);
+	return new USRPDevice(tx_sps, rx_sps, iface, chans, lo_offset, tx_paths, rx_paths);
 }

Transceiver52M/device/usrp1/USRPDevice.h

@@ -48,7 +48,6 @@ private:
   usrp_subdev_spec rxSubdevSpec;
   usrp_subdev_spec txSubdevSpec;
 
-  int sps;
   double actualSampleRate;	///< the actual USRP sampling rate
   unsigned int decimRate;	///< the USRP decimation rate
 
@@ -83,10 +82,10 @@ private:
 
   double rxGain;
 
-#ifdef SWLOOPBACK 
+#ifdef SWLOOPBACK
   short loopbackBuffer[1000000];
   int loopbackBufferSize;
-  double samplePeriod; 
+  double samplePeriod;
 
   struct timeval startTime;
   struct timeval lastReadTime;
@@ -96,10 +95,12 @@ private:
  public:
 
   /** Object constructor */
-  USRPDevice(size_t sps);
+  USRPDevice(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);
 
   /** Instantiate the USRP */
-  int open(const std::string &, bool, bool);
+  int open(const std::string &, int, bool);
 
   /** Start the USRP */
   bool start();
@@ -179,14 +180,30 @@ private:
   /** return minimum Rx Gain **/
   double minTxGain(void);
 
+  /** sets the RX path to use, returns true if successful and false otherwise */
+  bool setRxAntenna(const std::string &ant, size_t chan = 0);
+
+  /* return the used RX path */
+  std::string getRxAntenna(size_t chan = 0);
+
+  /** sets the RX path to use, returns true if successful and false otherwise */
+  bool setTxAntenna(const std::string &ant, size_t chan = 0);
+
+  /* return the used RX path */
+  std::string getTxAntenna(size_t chan = 0);
+
+  /** return whether user drives synchronization of Tx/Rx of USRP */
+  bool requiresRadioAlign();
+
+  /** return whether user drives synchronization of Tx/Rx of USRP */
+  virtual GSM::Time minLatency();
+
   /** Return internal status values */
   inline double getTxFreq(size_t chan = 0) { return 0; }
   inline double getRxFreq(size_t chan = 0) { return 0; }
   inline double getSampleRate() { return actualSampleRate; }
   inline double numberRead() { return samplesRead; }
   inline double numberWritten() { return samplesWritten; }
-
 };
 
 #endif // _USRP_DEVICE_H_
-

Transceiver52M/osmo-trx.cpp

@@ -27,187 +27,49 @@
 #include <signal.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <sched.h>
+#include <vector>
+#include <string>
+#include <sstream>
+#include <iostream>
 
 #include <GSMCommon.h>
 #include <Logger.h>
-#include <Configuration.h>
 
-/* Samples-per-symbol for downlink path
- *     4 - Uses precision modulator (more computation, less distortion)
- *     1 - Uses minimized modulator (less computation, more distortion)
- *
- *     Other values are invalid. Receive path (uplink) is always
- *     downsampled to 1 sps. Default to 4 sps for all cases.
- */
-#define DEFAULT_TX_SPS		4
+extern "C" {
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/application.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/stats.h>
+#include <osmocom/vty/logging.h>
+#include <osmocom/vty/ports.h>
+#include <osmocom/vty/misc.h>
+#include <osmocom/vty/telnet_interface.h>
+#include <osmocom/ctrl/control_vty.h>
+#include <osmocom/ctrl/ports.h>
+#include <osmocom/ctrl/control_if.h>
+#include <osmocom/vty/stats.h>
+#include "convolve.h"
+#include "convert.h"
+#include "trx_vty.h"
+#include "debug.h"
+}
 
-/*
- * Samples-per-symbol for uplink (receiver) path
- *     Do not modify this value. EDGE configures 4 sps automatically on
- *     B200/B210 devices only. Use of 4 sps on the receive path for other
- *     configurations is not supported.
- */
-#define DEFAULT_RX_SPS		1
+#define DEFAULT_CONFIG_FILE	"osmo-trx.cfg"
 
-/* Default configuration parameters
- *     Note that these values are only used if the particular key does not
- *     exist in the configuration database. IP port and address values will
- *     typically be overwritten by the OpenBTS.db values. Other values will
- *     not be in the database by default.
- */
-#define DEFAULT_TRX_PORT	5700
-#define DEFAULT_TRX_IP		"127.0.0.1"
-#define DEFAULT_EXTREF		false
-#define DEFAULT_DIVERSITY	false
-#define DEFAULT_CHANS		1
+#define charp2str(a) ((a) ? std::string(a) : std::string(""))
 
-struct trx_config {
-	std::string log_level;
-	std::string addr;
-	std::string dev_args;
-	unsigned port;
-	unsigned tx_sps;
-	unsigned rx_sps;
-	unsigned chans;
-	unsigned rtsc;
-	unsigned rach_delay;
-	bool extref;
-	Transceiver::FillerType filler;
-	bool diversity;
-	double offset;
-	double rssi_offset;
-	bool swap_channels;
-	bool edge;
-};
-
-ConfigurationTable gConfig;
+static char* config_file = (char*)DEFAULT_CONFIG_FILE;
 
 volatile bool gshutdown = false;
 
-/* Run sanity check on configuration table
- *     The global table constructor cannot provide notification in the
- *     event of failure. Make sure that we can access the database,
- *     write to it, and that it contains the bare minimum required keys.
- */
-bool testConfig()
-{
-	int val = 9999;
-	std::string test = "asldfkjsaldkf";
-	const char *key = "Log.Level";
+static void *tall_trx_ctx;
+static struct trx_ctx *g_trx_ctx;
+static struct ctrl_handle *g_ctrlh;
 
-	/* Attempt to query */
-	try {
-		gConfig.getStr(key);
-	} catch (...) {
-		std::cerr << std::endl;
-		std::cerr << "Config: Failed query required key " << key
-			  << std::endl;
-		return false;
-	}
-
-	/* Attempt to set a test value in the global config */
-	if (!gConfig.set(test, val)) {
-		std::cerr << std::endl;
-		std::cerr << "Config: Failed to set test key" << std::endl;
-		return false;
-	} else {
-		gConfig.remove(test);
-	}
-
-	return true;
-}
-
-
-/* Setup configuration values
- *     Don't query the existence of the Log.Level because it's a
- *     mandatory value. That is, if it doesn't exist, the configuration
- *     table will crash or will have already crashed. Everything else we
- *     can survive without and use default values if the database entries
- *     are empty.
- */
-bool trx_setup_config(struct trx_config *config)
-{
-	std::string refstr, fillstr, divstr, edgestr;
-
-	if (!testConfig())
-		return false;
-
-	if (config->log_level == "")
-		config->log_level = gConfig.getStr("Log.Level");
-
-	if (!config->port) {
-		if (gConfig.defines("TRX.Port"))
-			config->port = gConfig.getNum("TRX.Port");
-		else
-			config->port = DEFAULT_TRX_PORT;
-	}
-
-	if (config->addr == "") {
-		if (gConfig.defines("TRX.IP"))
-			config->addr = gConfig.getStr("TRX.IP");
-		else
-			config->addr = DEFAULT_TRX_IP;
-	}
-
-	if (!config->extref) {
-		if (gConfig.defines("TRX.Reference"))
-			config->extref = gConfig.getNum("TRX.Reference");
-		else
-			config->extref = DEFAULT_EXTREF;
-	}
-
-	if (!config->diversity) {
-		if (gConfig.defines("TRX.Diversity"))
-			config->diversity = gConfig.getNum("TRX.Diversity");
-		else
-			config->diversity = DEFAULT_DIVERSITY;
-	}
-
-	/* Diversity only supported on 2 channels */
-	if (config->diversity)
-		config->chans = 2;
-
-	edgestr = config->edge ? "Enabled" : "Disabled";
-	refstr = config->extref ? "Enabled" : "Disabled";
-	divstr = config->diversity ? "Enabled" : "Disabled";
-	switch (config->filler) {
-	case Transceiver::FILLER_DUMMY:
-		fillstr = "Dummy bursts";
-		break;
-	case Transceiver::FILLER_ZERO:
-		fillstr = "Disabled";
-		break;
-	case Transceiver::FILLER_NORM_RAND:
-		fillstr = "Normal busrts with random payload";
-		break;
-	case Transceiver::FILLER_EDGE_RAND:
-		fillstr = "EDGE busrts with random payload";
-		break;
-	case Transceiver::FILLER_ACCESS_RAND:
-		fillstr = "Access busrts with random payload";
-		break;
-	}
-
-	std::ostringstream ost("");
-	ost << "Config Settings" << std::endl;
-	ost << "   Log Level............... " << config->log_level << std::endl;
-	ost << "   Device args............. " << config->dev_args << std::endl;
-	ost << "   TRX Base Port........... " << config->port << std::endl;
-	ost << "   TRX Address............. " << config->addr << std::endl;
-	ost << "   Channels................ " << config->chans << std::endl;
-	ost << "   Tx Samples-per-Symbol... " << config->tx_sps << std::endl;
-	ost << "   Rx Samples-per-Symbol... " << config->rx_sps << std::endl;
-	ost << "   EDGE support............ " << edgestr << std::endl;
-	ost << "   External Reference...... " << refstr << std::endl;
-	ost << "   C0 Filler Table......... " << fillstr << std::endl;
-	ost << "   Diversity............... " << divstr << std::endl;
-	ost << "   Tuning offset........... " << config->offset << std::endl;
-	ost << "   RSSI to dBm offset...... " << config->rssi_offset << std::endl;
-	ost << "   Swap channels........... " << config->swap_channels << std::endl;
-	std::cout << ost << std::endl;
-
-	return true;
-}
+static RadioDevice *usrp;
+static RadioInterface *radio;
+static Transceiver *transceiver;
 
 /* Create radio interface
  *     The interface consists of sample rate changes, frequency shifts,
@@ -216,28 +78,24 @@ bool trx_setup_config(struct trx_config *config)
  *     The radio interface connects the main transceiver with the device
  *     object, which may be operating some other rate.
  */
-RadioInterface *makeRadioInterface(struct trx_config *config,
+RadioInterface *makeRadioInterface(struct trx_ctx *trx,
                                    RadioDevice *usrp, int type)
 {
 	RadioInterface *radio = NULL;
 
-	if ((config->rx_sps != 1) && (type != RadioDevice::NORMAL)) {
-		LOG(ALERT) << "Unsupported radio interface configuration";
-	}
-
 	switch (type) {
 	case RadioDevice::NORMAL:
-		radio = new RadioInterface(usrp, config->tx_sps,
-					   config->rx_sps, config->chans);
+		radio = new RadioInterface(usrp, trx->cfg.tx_sps,
+					   trx->cfg.rx_sps, trx->cfg.num_chans);
 		break;
 	case RadioDevice::RESAMP_64M:
 	case RadioDevice::RESAMP_100M:
-		radio = new RadioInterfaceResamp(usrp, config->tx_sps,
-						 config->chans);
+		radio = new RadioInterfaceResamp(usrp, trx->cfg.tx_sps,
+						 trx->cfg.rx_sps);
 		break;
-	case RadioDevice::DIVERSITY:
-		radio = new RadioInterfaceDiversity(usrp, config->tx_sps,
-						    config->chans);
+	case RadioDevice::MULTI_ARFCN:
+		radio = new RadioInterfaceMulti(usrp, trx->cfg.tx_sps,
+						trx->cfg.rx_sps, trx->cfg.num_chans);
 		break;
 	default:
 		LOG(ALERT) << "Unsupported radio interface configuration";
@@ -258,233 +116,458 @@ RadioInterface *makeRadioInterface(struct trx_config *config,
  *     and decoding schemes. Also included are the socket interfaces for
  *     connecting to the upper layer stack.
  */
-Transceiver *makeTransceiver(struct trx_config *config, RadioInterface *radio)
+int makeTransceiver(struct trx_ctx *trx, RadioInterface *radio)
 {
-	Transceiver *trx;
 	VectorFIFO *fifo;
 
-	trx = new Transceiver(config->port, config->addr.c_str(),
-			      config->tx_sps, config->rx_sps, config->chans,
-			      GSM::Time(3,0), radio, config->rssi_offset);
-	if (!trx->init(config->filler, config->rtsc, config->rach_delay)) {
+	transceiver = new Transceiver(trx->cfg.base_port, trx->cfg.bind_addr,
+			      trx->cfg.remote_addr, trx->cfg.tx_sps,
+			      trx->cfg.rx_sps, trx->cfg.num_chans, GSM::Time(3,0),
+			      radio, trx->cfg.rssi_offset);
+	if (!transceiver->init(trx->cfg.filler, trx->cfg.rtsc,
+		       trx->cfg.rach_delay, trx->cfg.egprs)) {
 		LOG(ALERT) << "Failed to initialize transceiver";
-		delete trx;
-		return NULL;
+		return -1;
 	}
 
-	for (size_t i = 0; i < config->chans; i++) {
+	for (size_t i = 0; i < trx->cfg.num_chans; i++) {
 		fifo = radio->receiveFIFO(i);
-		if (fifo && trx->receiveFIFO(fifo, i))
+		if (fifo && transceiver->receiveFIFO(fifo, i))
 			continue;
 
 		LOG(ALERT) << "Could not attach FIFO to channel " << i;
-		delete trx;
-		return NULL;
+		return -1;
 	}
-
-	return trx;
+	return 0;
 }
 
 static void sig_handler(int signo)
 {
-	fprintf(stdout, "Received shutdown signal");
-	gshutdown = true;
+	fprintf(stdout, "signal %d received\n", signo);
+	switch (signo) {
+	case SIGINT:
+	case SIGTERM:
+		fprintf(stdout, "shutting down\n");
+		gshutdown = true;
+		break;
+	case SIGABRT:
+	case SIGUSR1:
+		talloc_report(tall_trx_ctx, stderr);
+		talloc_report_full(tall_trx_ctx, stderr);
+		break;
+	case SIGUSR2:
+		talloc_report_full(tall_trx_ctx, stderr);
+		break;
+	default:
+		break;
+	}
 }
 
 static void setup_signal_handlers()
 {
-	if (signal(SIGINT, sig_handler) == SIG_ERR) {
-		fprintf(stderr, "Failed to install SIGINT signal handler\n");
-		exit(EXIT_FAILURE);
-	}
-	if (signal(SIGTERM, sig_handler) == SIG_ERR) {
-		fprintf(stderr, "Couldn't install SIGTERM signal handler\n");
-		exit( EXIT_FAILURE);
+	/* Handle keyboard interrupt SIGINT */
+	signal(SIGINT, &sig_handler);
+	signal(SIGTERM, &sig_handler);
+	signal(SIGABRT, &sig_handler);
+	signal(SIGUSR1, &sig_handler);
+	signal(SIGUSR2, &sig_handler);
+	osmo_init_ignore_signals();
+}
+
+static std::vector<std::string> comma_delimited_to_vector(char* opt)
+{
+	std::string str = std::string(opt);
+	std::vector<std::string> result;
+	std::stringstream ss(str);
+
+	while( ss.good() )
+	{
+	    std::string substr;
+	    getline(ss, substr, ',');
+	    result.push_back(substr);
 	}
+	return result;
 }
 
 static void print_help()
 {
 	fprintf(stdout, "Options:\n"
 		"  -h    This text\n"
-		"  -a    UHD device args\n"
-		"  -l    Logging level (%s)\n"
-		"  -i    IP address of GSM core\n"
-		"  -p    Base port number\n"
-		"  -e    Enable EDGE receiver\n"
-		"  -d    Enable dual channel diversity receiver\n"
-		"  -x    Enable external 10 MHz reference\n"
-		"  -s    Samples-per-symbol (1 or 4)\n"
-		"  -c    Number of ARFCN channels (default=1)\n"
-		"  -f    Enable C0 filler table\n"
-		"  -o    Set baseband frequency offset (default=auto)\n"
-		"  -r    Random Normal Burst test mode with TSC\n"
-		"  -A    Random Access Burst test mode with delay\n"
-		"  -R    RSSI to dBm offset in dB (default=0)\n"
-		"  -S    Swap channels (UmTRX only)\n",
-		"EMERG, ALERT, CRT, ERR, WARNING, NOTICE, INFO, DEBUG");
+		"  -C    Filename The config file to use\n"
+		);
 }
 
-static void handle_options(int argc, char **argv, struct trx_config *config)
+static void print_deprecated(char opt)
+{
+	LOG(WARNING) << "Cmd line option '" << opt << "' is deprecated and will be soon removed."
+		<< " Please use VTY cfg option instead."
+		<< " All cmd line options are already being overriden by VTY options if set.";
+}
+
+static void handle_options(int argc, char **argv, struct trx_ctx* trx)
 {
 	int option;
+	unsigned int i;
+	std::vector<std::string> rx_paths, tx_paths;
+	bool rx_paths_set = false, tx_paths_set = false;
 
-	config->port = 0;
-	config->tx_sps = DEFAULT_TX_SPS;
-	config->rx_sps = DEFAULT_RX_SPS;
-	config->chans = DEFAULT_CHANS;
-	config->rtsc = 0;
-	config->rach_delay = 0;
-	config->extref = false;
-	config->filler = Transceiver::FILLER_ZERO;
-	config->diversity = false;
-	config->offset = 0.0;
-	config->rssi_offset = 0.0;
-	config->swap_channels = false;
-	config->edge = false;
-
-	while ((option = getopt(argc, argv, "ha:l:i:p:c:dxfo:s:r:A:R:Se")) != -1) {
+	while ((option = getopt(argc, argv, "ha:l:i:j:p:c:dmxgfo:s:b:r:A:R:Set:y:z:C:")) != -1) {
 		switch (option) {
 		case 'h':
 			print_help();
 			exit(0);
 			break;
 		case 'a':
-			config->dev_args = optarg;
+			print_deprecated(option);
+			osmo_talloc_replace_string(trx, &trx->cfg.dev_args, optarg);
 			break;
 		case 'l':
-			config->log_level = optarg;
+			print_deprecated(option);
+			log_set_log_level(osmo_stderr_target, atoi(optarg));
 			break;
 		case 'i':
-			config->addr = optarg;
+			print_deprecated(option);
+			osmo_talloc_replace_string(trx, &trx->cfg.remote_addr, optarg);
+			break;
+		case 'j':
+			print_deprecated(option);
+			osmo_talloc_replace_string(trx, &trx->cfg.bind_addr, optarg);
 			break;
 		case 'p':
-			config->port = atoi(optarg);
+			print_deprecated(option);
+			trx->cfg.base_port = atoi(optarg);
 			break;
 		case 'c':
-			config->chans = atoi(optarg);
+			print_deprecated(option);
+			trx->cfg.num_chans = atoi(optarg);
 			break;
-		case 'd':
-			config->diversity = true;
+		case 'm':
+			print_deprecated(option);
+			trx->cfg.multi_arfcn = true;
 			break;
 		case 'x':
-			config->extref = true;
+			print_deprecated(option);
+			trx->cfg.clock_ref = REF_EXTERNAL;
+			break;
+		case 'g':
+			print_deprecated(option);
+			trx->cfg.clock_ref = REF_GPS;
 			break;
 		case 'f':
-			config->filler = Transceiver::FILLER_DUMMY;
+			print_deprecated(option);
+			trx->cfg.filler = FILLER_DUMMY;
 			break;
 		case 'o':
-			config->offset = atof(optarg);
+			print_deprecated(option);
+			trx->cfg.offset = atof(optarg);
 			break;
 		case 's':
-			config->tx_sps = atoi(optarg);
+			print_deprecated(option);
+			trx->cfg.tx_sps = atoi(optarg);
+			break;
+		case 'b':
+			print_deprecated(option);
+			trx->cfg.rx_sps = atoi(optarg);
 			break;
 		case 'r':
-			config->rtsc = atoi(optarg);
-			config->filler = Transceiver::FILLER_NORM_RAND;
+			print_deprecated(option);
+			trx->cfg.rtsc_set = true;
+			trx->cfg.rtsc = atoi(optarg);
+			if (!trx->cfg.egprs) /* Don't override egprs which sets different filler */
+				trx->cfg.filler = FILLER_NORM_RAND;
 			break;
 		case 'A':
-			config->rach_delay = atoi(optarg);
-			config->filler = Transceiver::FILLER_ACCESS_RAND;
+			print_deprecated(option);
+			trx->cfg.rach_delay_set = true;
+			trx->cfg.rach_delay = atoi(optarg);
+			trx->cfg.filler = FILLER_ACCESS_RAND;
 			break;
 		case 'R':
-			config->rssi_offset = atof(optarg);
+			print_deprecated(option);
+			trx->cfg.rssi_offset = atof(optarg);
 			break;
 		case 'S':
-			config->swap_channels = true;
+			print_deprecated(option);
+			trx->cfg.swap_channels = true;
 			break;
 		case 'e':
-			config->edge = true;
-			config->rx_sps = 4;
+			print_deprecated(option);
+			trx->cfg.egprs = true;
+			break;
+		case 't':
+			print_deprecated(option);
+			trx->cfg.sched_rr = atoi(optarg);
+			break;
+		case 'y':
+			print_deprecated(option);
+			tx_paths = comma_delimited_to_vector(optarg);
+			tx_paths_set = true;
+			break;
+		case 'z':
+			print_deprecated(option);
+			rx_paths = comma_delimited_to_vector(optarg);
+			rx_paths_set = true;
+			break;
+		case 'C':
+			config_file = optarg;
 			break;
 		default:
-			print_help();
-			exit(0);
+			goto bad_config;
 		}
 	}
 
-	if (config->edge && (config->filler == Transceiver::FILLER_NORM_RAND))
-		config->filler = Transceiver::FILLER_EDGE_RAND;
+	/* Cmd line option specific validation & setup */
 
-	if ((config->tx_sps != 1) && (config->tx_sps != 4)) {
-		printf("Unsupported samples-per-symbol %i\n\n", config->tx_sps);
-		print_help();
-		exit(0);
+	if (trx->cfg.num_chans > TRX_CHAN_MAX) {
+		LOG(ERROR) << "Too many channels requested, maximum is " <<  TRX_CHAN_MAX;
+		goto bad_config;
+	}
+	if ((tx_paths_set && tx_paths.size() != trx->cfg.num_chans) ||
+	    (rx_paths_set && rx_paths.size() != trx->cfg.num_chans)) {
+		LOG(ERROR) << "Num of channels and num of Rx/Tx Antennas doesn't match";
+		goto bad_config;
+	}
+	for (i = 0; i < trx->cfg.num_chans; i++) {
+		trx->cfg.chans[i].trx = trx;
+		trx->cfg.chans[i].idx = i;
+		if (tx_paths_set)
+			osmo_talloc_replace_string(trx, &trx->cfg.chans[i].tx_path, tx_paths[i].c_str());
+		if (rx_paths_set)
+			osmo_talloc_replace_string(trx, &trx->cfg.chans[i].rx_path, rx_paths[i].c_str());
 	}
 
-	if (config->edge && (config->tx_sps != 4)) {
-		printf("EDGE only supported at 4 samples per symbol\n\n");
-		print_help();
-		exit(0);
-	}
+	return;
 
-	if (config->rtsc > 7) {
-		printf("Invalid training sequence %i\n\n", config->rtsc);
-		print_help();
-		exit(0);
-	}
-
-	if (config->rach_delay > 68) {
-		printf("RACH delay is too big %i\n\n", config->rach_delay);
-		print_help();
-		exit(0);
-	}
+bad_config:
+	print_help();
+	exit(0);
 }
 
-int main(int argc, char *argv[])
+int trx_validate_config(struct trx_ctx *trx)
 {
-	int type, chans;
-	RadioDevice *usrp;
-	RadioInterface *radio = NULL;
-	Transceiver *trx = NULL;
-	struct trx_config config;
-
-	handle_options(argc, argv, &config);
-
-	setup_signal_handlers();
-
-	/* Check database sanity */
-	if (!trx_setup_config(&config)) {
-		std::cerr << "Config: Database failure - exiting" << std::endl;
-		return EXIT_FAILURE;
+	if (trx->cfg.multi_arfcn && trx->cfg.num_chans > 5) {
+		LOG(ERROR) << "Unsupported number of channels";
+		return -1;
 	}
 
-	gLogInit("transceiver", config.log_level.c_str(), LOG_LOCAL7);
+	/* Force 4 SPS for EDGE or multi-ARFCN configurations */
+	if ((trx->cfg.egprs || trx->cfg.multi_arfcn) &&
+	    (trx->cfg.tx_sps!=4 || trx->cfg.tx_sps!=4)) {
+		LOG(ERROR) << "EDGE and Multi-Carrier options require 4 tx and rx sps. Check you config.";
+		return -1;
+	}
 
-	srandom(time(NULL));
+	return 0;
+}
+
+static int set_sched_rr(unsigned int prio)
+{
+	struct sched_param param;
+	int rc;
+	memset(&param, 0, sizeof(param));
+	param.sched_priority = prio;
+	printf("Setting SCHED_RR priority(%d)\n", param.sched_priority);
+	rc = sched_setscheduler(getpid(), SCHED_RR, &param);
+	if (rc != 0) {
+		LOG(ERROR) << "Config: Setting SCHED_RR failed";
+		return -1;
+	}
+	return 0;
+}
+
+static void print_config(struct trx_ctx *trx)
+{
+	unsigned int i;
+	std::ostringstream ost("");
+
+	ost << "Config Settings" << std::endl;
+	ost << "   Log Level............... " << (unsigned int) osmo_stderr_target->loglevel << std::endl;
+	ost << "   Device args............. " << charp2str(trx->cfg.dev_args) << std::endl;
+	ost << "   TRX Base Port........... " << trx->cfg.base_port << std::endl;
+	ost << "   TRX Address............. " << charp2str(trx->cfg.bind_addr) << std::endl;
+	ost << "   GSM BTS Address......... " << charp2str(trx->cfg.remote_addr) << std::endl;
+	ost << "   Channels................ " << trx->cfg.num_chans << std::endl;
+	ost << "   Tx Samples-per-Symbol... " << trx->cfg.tx_sps << std::endl;
+	ost << "   Rx Samples-per-Symbol... " << trx->cfg.rx_sps << std::endl;
+	ost << "   EDGE support............ " << trx->cfg.egprs << std::endl;
+	ost << "   Reference............... " << trx->cfg.clock_ref << std::endl;
+	ost << "   C0 Filler Table......... " << trx->cfg.filler << std::endl;
+	ost << "   Multi-Carrier........... " << trx->cfg.multi_arfcn << std::endl;
+	ost << "   Tuning offset........... " << trx->cfg.offset << std::endl;
+	ost << "   RSSI to dBm offset...... " << trx->cfg.rssi_offset << std::endl;
+	ost << "   Swap channels........... " << trx->cfg.swap_channels << std::endl;
+	ost << "   Tx Antennas.............";
+	for (i = 0; i < trx->cfg.num_chans; i++) {
+		std::string p = charp2str(trx->cfg.chans[i].tx_path);
+		ost << " '" << ((p != "") ? p : "<default>") <<  "'";
+	}
+	ost << std::endl;
+	ost << "   Rx Antennas.............";
+	for (i = 0; i < trx->cfg.num_chans; i++) {
+		std::string p = charp2str(trx->cfg.chans[i].rx_path);
+		ost << " '" << ((p != "") ? p : "<default>") <<  "'";
+	}
+	ost << std::endl;
+
+	std::cout << ost << std::endl;
+}
+
+static void trx_stop()
+{
+	std::cout << "Shutting down transceiver..." << std::endl;
+
+	delete transceiver;
+	delete radio;
+	delete usrp;
+}
+
+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 */
-	usrp = RadioDevice::make(config.tx_sps, config.rx_sps, config.chans,
-				 config.diversity, config.offset);
-	type = usrp->open(config.dev_args, config.extref, config.swap_channels);
+	if (trx->cfg.multi_arfcn)
+		iface = RadioDevice::MULTI_ARFCN;
+
+	/* Generate vector of rx/tx_path: */
+	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;
 	}
 
 	/* Setup the appropriate device interface */
-	radio = makeRadioInterface(&config, usrp, type);
+	radio = makeRadioInterface(trx, usrp, type);
 	if (!radio)
 		goto shutdown;
 
 	/* Create the transceiver core */
-	trx = makeTransceiver(&config, radio);
-	if (!trx)
+	if (makeTransceiver(trx, radio) < 0)
 		goto shutdown;
 
-	chans = trx->numChans();
+	chans = transceiver->numChans();
 	std::cout << "-- Transceiver active with "
 		  << chans << " channel(s)" << std::endl;
 
-	while (!gshutdown)
-		sleep(1);
+	return 0;
 
 shutdown:
-	std::cout << "Shutting down transceiver..." << std::endl;
+	trx_stop();
+	return -1;
+}
 
-	delete trx;
-	delete radio;
-	delete usrp;
+int main(int argc, char *argv[])
+{
+	int rc;
+
+	tall_trx_ctx = talloc_named_const(NULL, 0, "OsmoTRX");
+	msgb_talloc_ctx_init(tall_trx_ctx, 0);
+	g_vty_info.tall_ctx = tall_trx_ctx;
+
+	setup_signal_handlers();
+
+	g_trx_ctx = vty_trx_ctx_alloc(tall_trx_ctx);
+
+#ifdef HAVE_SSE3
+	printf("Info: SSE3 support compiled in");
+#ifdef HAVE___BUILTIN_CPU_SUPPORTS
+	if (__builtin_cpu_supports("sse3"))
+		printf(" and supported by CPU\n");
+	else
+		printf(", but not supported by CPU\n");
+#else
+	printf(", but runtime SIMD detection disabled\n");
+#endif
+#endif
+
+#ifdef HAVE_SSE4_1
+	printf("Info: SSE4.1 support compiled in");
+#ifdef HAVE___BUILTIN_CPU_SUPPORTS
+	if (__builtin_cpu_supports("sse4.1"))
+		printf(" and supported by CPU\n");
+	else
+		printf(", but not supported by CPU\n");
+#else
+	printf(", but runtime SIMD detection disabled\n");
+#endif
+#endif
+
+	convolve_init();
+	convert_init();
+
+	osmo_init_logging2(tall_trx_ctx, &log_info);
+	osmo_stats_init(tall_trx_ctx);
+	vty_init(&g_vty_info);
+	ctrl_vty_init(tall_trx_ctx);
+	trx_vty_init(g_trx_ctx);
+
+	logging_vty_add_cmds();
+	osmo_talloc_vty_add_cmds();
+	osmo_stats_vty_add_cmds();
+
+	handle_options(argc, argv, g_trx_ctx);
+
+	rate_ctr_init(tall_trx_ctx);
+
+	rc = vty_read_config_file(config_file, NULL);
+	if (rc < 0) {
+		fprintf(stderr, "Failed to open config file: '%s'\n", config_file);
+		exit(2);
+	}
+
+	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);
+	if (!g_ctrlh) {
+		fprintf(stderr, "Failed to create CTRL interface.\n");
+		exit(1);
+	}
+
+	/* Backward compatibility: Hack to have 1 channel allocated by default.
+	 * Can be Dropped once we * get rid of "-c" cmdline param */
+	if (g_trx_ctx->cfg.num_chans == 0) {
+		g_trx_ctx->cfg.num_chans = 1;
+		g_trx_ctx->cfg.chans[0].trx = g_trx_ctx;
+		g_trx_ctx->cfg.chans[0].idx = 0;
+		LOG(ERROR) << "No explicit channel config found. Make sure you" \
+			" configure channels in VTY config. Using 1 channel as default," \
+			" but expect your config to break in the future.";
+	}
+
+	print_config(g_trx_ctx);
+
+	if (trx_validate_config(g_trx_ctx) < 0) {
+		LOG(ERROR) << "Config failure - exiting";
+		return EXIT_FAILURE;
+	}
+
+	if (g_trx_ctx->cfg.sched_rr) {
+		if (set_sched_rr(g_trx_ctx->cfg.sched_rr) < 0)
+			return EXIT_FAILURE;
+	}
+
+	srandom(time(NULL));
+
+	if(trx_start(g_trx_ctx) < 0)
+		return EXIT_FAILURE;
+
+	while (!gshutdown)
+		osmo_select_main(0);
+
+	trx_stop();
 
 	return 0;
 }

Transceiver52M/radioBuffer.cpp

@@ -0,0 +1,228 @@
+/*
+ * Segmented Ring Buffer
+ *
+ * Copyright (C) 2015 Ettus Research LLC
+ *
+ * Author: Tom Tsou <tom@tsou.cc>
+ *
+ * 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 <string.h>
+#include <iostream>
+#include "radioBuffer.h"
+
+RadioBuffer::RadioBuffer(size_t numSegments, size_t segmentLen,
+			 size_t hLen, bool outDirection)
+	: writeIndex(0), readIndex(0), availSamples(0)
+{
+	if (!outDirection)
+		hLen = 0;
+
+	buffer = new float[2 * (hLen + numSegments * segmentLen)];
+	bufferLen = numSegments * segmentLen;
+
+	segments.resize(numSegments);
+
+	for (size_t i = 0; i < numSegments; i++)
+		segments[i] = &buffer[2 * (hLen + i * segmentLen)];
+
+	this->outDirection = outDirection;
+	this->numSegments = numSegments;
+	this->segmentLen = segmentLen;
+	this->hLen = hLen;
+}
+
+RadioBuffer::~RadioBuffer()
+{
+	delete[] buffer;
+}
+
+void RadioBuffer::reset()
+{
+	writeIndex = 0;
+	readIndex = 0;
+	availSamples = 0;
+}
+
+/*
+ * Output direction
+ *
+ * Return a pointer to the oldest segment or NULL if a complete segment is not
+ * available.
+ */
+const float *RadioBuffer::getReadSegment()
+{
+	if (!outDirection) {
+		std::cout << "Invalid direction" << std::endl;
+		return NULL;
+	}
+	if (availSamples < segmentLen) {
+		std::cout << "Not enough samples " << std::endl;
+		std::cout << availSamples << " available per segment "
+			  << segmentLen << std::endl;
+		return NULL;
+	}
+
+	size_t num = readIndex / segmentLen;
+
+	if (num >= numSegments) {
+		std::cout << "Invalid segment" << std::endl;
+		return NULL;
+	} else if (!num) {
+		memcpy(buffer,
+		       &buffer[2 * bufferLen],
+		       hLen * 2 * sizeof(float));
+	}
+
+	availSamples -= segmentLen;
+	readIndex = (readIndex + segmentLen) % bufferLen;
+
+	return segments[num];
+}
+
+/*
+ * Output direction
+ *
+ * Write a non-segment length of samples to the buffer. 
+ */
+bool RadioBuffer::write(const float *wr, size_t len)
+{
+	if (!outDirection) {
+		std::cout << "Invalid direction" << std::endl;
+		return false;
+	}
+	if (availSamples + len > bufferLen) {
+		std::cout << "Insufficient space" << std::endl;
+		std::cout << bufferLen - availSamples << " available per write "
+			  << len << std::endl;
+		return false;
+	}
+
+	if (writeIndex + len <= bufferLen) {
+		memcpy(&buffer[2 * (writeIndex + hLen)],
+		       wr, len * 2 * sizeof(float));
+	} else {
+		size_t len0 = bufferLen - writeIndex;
+		size_t len1 = len - len0;
+		memcpy(&buffer[2 * (writeIndex + hLen)], wr, len0 * 2 * sizeof(float));
+		memcpy(&buffer[2 * hLen], &wr[2 * len0], len1 * 2 * sizeof(float));
+	}
+
+	availSamples += len;
+	writeIndex = (writeIndex + len) % bufferLen;
+
+	return true;
+}
+
+bool RadioBuffer::zero(size_t len)
+{
+	if (!outDirection) {
+		std::cout << "Invalid direction" << std::endl;
+		return false;
+	}
+	if (availSamples + len > bufferLen) {
+		std::cout << "Insufficient space" << std::endl;
+		std::cout << bufferLen - availSamples << " available per zero "
+			  << len << std::endl;
+		return false;
+	}
+
+	if (writeIndex + len <= bufferLen) {
+		memset(&buffer[2 * (writeIndex + hLen)],
+		       0, len * 2 * sizeof(float));
+	} else {
+		size_t len0 = bufferLen - writeIndex;
+		size_t len1 = len - len0;
+		memset(&buffer[2 * (writeIndex + hLen)], 0, len0 * 2 * sizeof(float));
+		memset(&buffer[2 * hLen], 0, len1 * 2 * sizeof(float));
+	}
+
+	availSamples += len;
+	writeIndex = (writeIndex + len) % bufferLen;
+
+	return true;
+}
+
+/*
+ * Input direction
+ */
+float *RadioBuffer::getWriteSegment()
+{
+	if (outDirection) {
+		std::cout << "Invalid direction" << std::endl;
+		return NULL;
+	}
+	if (bufferLen - availSamples < segmentLen) {
+		std::cout << "Insufficient samples" << std::endl;
+		std::cout << bufferLen - availSamples
+			  << " available for segment " << segmentLen
+			  << std::endl;
+		return NULL;
+	}
+	if (writeIndex % segmentLen) {
+		std::cout << "Internal segment error" << std::endl;
+		return NULL;
+	}
+
+	size_t num = writeIndex / segmentLen;
+
+	if (num >= numSegments)
+		return NULL;
+
+	availSamples += segmentLen;
+	writeIndex = (writeIndex + segmentLen) % bufferLen;
+
+	return segments[num];
+}
+
+bool RadioBuffer::zeroWriteSegment()
+{
+	float *segment = getWriteSegment();
+	if (!segment)
+		return false;
+
+	memset(segment, 0, segmentLen * 2 * sizeof(float));
+
+	return true;
+}
+
+bool RadioBuffer::read(float *rd, size_t len)
+{
+	if (outDirection) {
+		std::cout << "Invalid direction" << std::endl;
+		return false;
+	}
+	if (availSamples < len) {
+		std::cout << "Insufficient samples" << std::endl;
+		std::cout << availSamples << " available for "
+			  << len << std::endl;
+		return false;
+	}
+
+	if (readIndex + len <= bufferLen) {
+		memcpy(rd, &buffer[2 * readIndex], len * 2 * sizeof(float));
+	} else {
+		size_t len0 = bufferLen - readIndex;
+		size_t len1 = len - len0;
+		memcpy(rd, &buffer[2 * readIndex], len0 * 2 * sizeof(float));
+		memcpy(&rd[2 * len0], buffer, len1 * 2 * sizeof(float));
+	}
+
+	availSamples -= len;
+	readIndex = (readIndex + len) % bufferLen;
+
+	return true;
+}

Transceiver52M/radioBuffer.h

@@ -0,0 +1,45 @@
+#include <stdlib.h>
+#include <stddef.h>
+#include <vector>
+
+class RadioBuffer {
+public:
+	RadioBuffer(size_t numSegments, size_t segmentLen,
+		    size_t hLen, bool outDirection);
+
+	~RadioBuffer();
+
+	const size_t getSegmentLen() { return segmentLen; }
+	const size_t getNumSegments() { return numSegments; }
+	const size_t getAvailSamples() { return availSamples; }
+	const size_t getAvailSegments() { return availSamples / segmentLen; }
+
+	const size_t getFreeSamples()
+	{
+		return bufferLen - availSamples;
+	}
+
+	const size_t getFreeSegments()
+	{
+		return getFreeSamples() / segmentLen;
+	}
+
+	void reset();
+
+	/* Output direction */
+	const float *getReadSegment();
+	bool write(const float *wr, size_t len);
+	bool zero(size_t len);
+
+	/* Input direction */
+	float *getWriteSegment();
+	bool zeroWriteSegment();
+	bool read(float *rd, size_t len);
+
+private:
+	size_t writeIndex, readIndex, availSamples;
+	size_t bufferLen, numSegments, segmentLen, hLen;
+	float *buffer;
+	std::vector<float *> segments;
+	bool outDirection;
+};

Transceiver52M/radioInterface.cpp

@@ -1,26 +1,23 @@
 /*
-* Copyright 2008, 2009 Free Software Foundation, Inc.
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
-	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/>.
-
-*/
+ * Radio device interface
+ *
+ * Copyright (C) 2008-2014 Free Software Foundation, Inc.
+ * Copyright (C) 2015 Ettus Research LLC
+ *
+ * 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 "radioInterface.h"
 #include "Resampler.h"
@@ -34,11 +31,10 @@ extern "C" {
 #define NUMCHUNKS	4
 
 RadioInterface::RadioInterface(RadioDevice *wRadio, size_t tx_sps,
-                               size_t rx_sps, size_t chans, size_t diversity,
+                               size_t rx_sps, size_t chans,
                                int wReceiveOffset, GSM::Time wStartTime)
   : mRadio(wRadio), mSPSTx(tx_sps), mSPSRx(rx_sps), mChans(chans),
-    mMIMO(diversity), sendCursor(0), recvCursor(0), underrun(false),
-    overrun(false), receiveOffset(wReceiveOffset), mOn(false)
+    underrun(false), overrun(false), receiveOffset(wReceiveOffset), mOn(false)
 {
   mClock.set(wStartTime);
 }
@@ -50,7 +46,7 @@ RadioInterface::~RadioInterface(void)
 
 bool RadioInterface::init(int type)
 {
-  if ((type != RadioDevice::NORMAL) || (mMIMO > 1) || !mChans) {
+  if ((type != RadioDevice::NORMAL) || !mChans) {
     LOG(ALERT) << "Invalid configuration";
     return false;
   }
@@ -65,35 +61,20 @@ bool RadioInterface::init(int type)
   powerScaling.resize(mChans);
 
   for (size_t i = 0; i < mChans; i++) {
-    sendBuffer[i] = new signalVector(CHUNK * mSPSTx);
-    recvBuffer[i] = new signalVector(NUMCHUNKS * CHUNK * mSPSRx);
+    sendBuffer[i] = new RadioBuffer(NUMCHUNKS, CHUNK * mSPSTx, 0, true);
+    recvBuffer[i] = new RadioBuffer(NUMCHUNKS, CHUNK * mSPSRx, 0, false);
 
-    convertSendBuffer[i] = new short[sendBuffer[i]->size() * 2];
-    convertRecvBuffer[i] = new short[recvBuffer[i]->size() * 2];
+    convertSendBuffer[i] = new short[CHUNK * mSPSTx * 2];
+    convertRecvBuffer[i] = new short[CHUNK * mSPSRx * 2];
 
     powerScaling[i] = 1.0;
   }
 
-  sendCursor = 0;
-  recvCursor = 0;
-
   return true;
 }
 
 void RadioInterface::close()
 {
-  for (size_t i = 0; i < sendBuffer.size(); i++)
-    delete sendBuffer[i];
-
-  for (size_t i = 0; i < recvBuffer.size(); i++)
-    delete recvBuffer[i];
-
-  for (size_t i = 0; i < convertSendBuffer.size(); i++)
-    delete convertSendBuffer[i];
-
-  for (size_t i = 0; i < convertRecvBuffer.size(); i++)
-    delete convertRecvBuffer[i];
-
   sendBuffer.resize(0);
   recvBuffer.resize(0);
   convertSendBuffer.resize(0);
@@ -132,35 +113,26 @@ int RadioInterface::setPowerAttenuation(int atten, size_t chan)
 }
 
 int RadioInterface::radioifyVector(signalVector &wVector,
-				   float *retVector,
-				   bool zero)
+                                   size_t chan, bool zero)
 {
-  if (zero) {
-    memset(retVector, 0, wVector.size() * 2 * sizeof(float));
-    return wVector.size();
-  }
-
-  memcpy(retVector, wVector.begin(), wVector.size() * 2 * sizeof(float));
+  if (zero)
+    sendBuffer[chan]->zero(wVector.size());
+  else
+    sendBuffer[chan]->write((float *) wVector.begin(), wVector.size());
 
   return wVector.size();
 }
 
-int RadioInterface::unRadioifyVector(float *floatVector,
-				     signalVector& newVector)
+int RadioInterface::unRadioifyVector(signalVector *newVector, size_t chan)
 {
-  signalVector::iterator itr = newVector.begin();
-
-  if (newVector.size() > recvCursor) {
+  if (newVector->size() > recvBuffer[chan]->getAvailSamples()) {
     LOG(ALERT) << "Insufficient number of samples in receive buffer";
     return -1;
   }
 
-  for (size_t i = 0; i < newVector.size(); i++) {
-    *itr++ = Complex<float>(floatVector[2 * i + 0],
-			    floatVector[2 * i + 1]);
-  }
+  recvBuffer[chan]->read((float *) newVector->begin(), newVector->size());
 
-  return newVector.size();
+  return newVector->size();
 }
 
 bool RadioInterface::tuneTx(double freq, size_t chan)
@@ -173,22 +145,39 @@ bool RadioInterface::tuneRx(double freq, size_t chan)
   return mRadio->setRxFreq(freq, chan);
 }
 
+/** synchronization thread loop */
+void *AlignRadioServiceLoopAdapter(RadioInterface *radioInterface)
+{
+  while (1) {
+    sleep(60);
+    radioInterface->alignRadio();
+    pthread_testcancel();
+  }
+  return NULL;
+}
+
+void RadioInterface::alignRadio() {
+  mRadio->updateAlignment(writeTimestamp+ (TIMESTAMP) 10000);
+}
+
 bool RadioInterface::start()
 {
   if (mOn)
     return true;
 
   LOG(INFO) << "Starting radio device";
-#ifdef USRP1
-  mAlignRadioServiceLoopThread.start((void * (*)(void*))AlignRadioServiceLoopAdapter,
-                                     (void*)this);
-#endif
+  if (mRadio->requiresRadioAlign())
+        mAlignRadioServiceLoopThread.start(
+                                (void * (*)(void*))AlignRadioServiceLoopAdapter,
+                                (void*)this);
 
   if (!mRadio->start())
     return false;
 
-  recvCursor = 0;
-  sendCursor = 0;
+  for (size_t i = 0; i < mChans; i++) {
+    sendBuffer[i]->reset();
+    recvBuffer[i]->reset();
+  }
 
   writeTimestamp = mRadio->initialWriteTimestamp();
   readTimestamp = mRadio->initialReadTimestamp();
@@ -217,36 +206,16 @@ bool RadioInterface::stop()
   return true;
 }
 
-#ifdef USRP1
-void *AlignRadioServiceLoopAdapter(RadioInterface *radioInterface)
-{
-  while (1) {
-    radioInterface->alignRadio();
-    pthread_testcancel();
-  }
-  return NULL;
-}
-
-void RadioInterface::alignRadio() {
-  sleep(60);
-  mRadio->updateAlignment(writeTimestamp+ (TIMESTAMP) 10000);
-}
-#endif
-
 void RadioInterface::driveTransmitRadio(std::vector<signalVector *> &bursts,
                                         std::vector<bool> &zeros)
 {
   if (!mOn)
     return;
 
-  for (size_t i = 0; i < mChans; i++) {
-    radioifyVector(*bursts[i],
-                   (float *) (sendBuffer[i]->begin() + sendCursor), zeros[i]);
-  }
+  for (size_t i = 0; i < mChans; i++)
+    radioifyVector(*bursts[i], i, zeros[i]);
 
-  sendCursor += bursts[0]->size();
-
-  pushBuffer();
+  while (pushBuffer());
 }
 
 bool RadioInterface::driveReceiveRadio()
@@ -261,8 +230,7 @@ bool RadioInterface::driveReceiveRadio()
   GSM::Time rcvClock = mClock.get();
   rcvClock.decTN(receiveOffset);
   unsigned tN = rcvClock.TN();
-  int recvSz = recvCursor;
-  int readSz = 0;
+  int recvSz = recvBuffer[0]->getAvailSamples();
   const int symbolsPerSlot = gSlotLen + 8;
   int burstSize;
 
@@ -283,13 +251,8 @@ bool RadioInterface::driveReceiveRadio()
    */
   while (recvSz > burstSize) {
     for (size_t i = 0; i < mChans; i++) {
-      burst = new radioVector(rcvClock, burstSize, head, mMIMO);
-
-      for (size_t n = 0; n < mMIMO; n++) {
-        unRadioifyVector((float *)
-                         (recvBuffer[mMIMO * i + n]->begin() + readSz),
-                         *burst->getVector(n));
-      }
+      burst = new radioVector(rcvClock, burstSize, head);
+      unRadioifyVector(burst->getVector(), i);
 
       if (mReceiveFIFO[i].size() < 32)
         mReceiveFIFO[i].write(burst);
@@ -299,7 +262,6 @@ bool RadioInterface::driveReceiveRadio()
 
     mClock.incTN();
     rcvClock.incTN();
-    readSz += burstSize;
     recvSz -= burstSize;
 
     tN = rcvClock.TN();
@@ -308,16 +270,6 @@ bool RadioInterface::driveReceiveRadio()
       burstSize = (symbolsPerSlot + (tN % 4 == 0)) * mSPSRx;
   }
 
-  if (readSz > 0) {
-    for (size_t i = 0; i < recvBuffer.size(); i++) {
-      memmove(recvBuffer[i]->begin(),
-              recvBuffer[i]->begin() + readSz,
-              (recvCursor - readSz) * 2 * sizeof(float));
-    }
-
-    recvCursor -= readSz;
-  }
-
   return true;
 }
 
@@ -339,74 +291,66 @@ VectorFIFO* RadioInterface::receiveFIFO(size_t chan)
 
 double RadioInterface::setRxGain(double dB, size_t chan)
 {
-  if (mRadio)
-    return mRadio->setRxGain(dB, chan);
-  else
-    return -1;
+  return mRadio->setRxGain(dB, chan);
 }
 
 double RadioInterface::getRxGain(size_t chan)
 {
-  if (mRadio)
-    return mRadio->getRxGain(chan);
-  else
-    return -1;
+  return mRadio->getRxGain(chan);
 }
 
 /* Receive a timestamped chunk from the device */
 void RadioInterface::pullBuffer()
 {
   bool local_underrun;
-  int num_recv;
-  float *output;
+  size_t numRecv, segmentLen = recvBuffer[0]->getSegmentLen();
 
-  if (recvCursor > recvBuffer[0]->size() - CHUNK)
+  if (recvBuffer[0]->getFreeSegments() <= 0)
     return;
 
   /* Outer buffer access size is fixed */
-  num_recv = mRadio->readSamples(convertRecvBuffer,
-                                 CHUNK,
-                                 &overrun,
-                                 readTimestamp,
-                                 &local_underrun);
-  if (num_recv != CHUNK) {
-          LOG(ALERT) << "Receive error " << num_recv;
+  numRecv = mRadio->readSamples(convertRecvBuffer,
+                                segmentLen,
+                                &overrun,
+                                readTimestamp,
+                                &local_underrun);
+
+  if (numRecv != segmentLen) {
+          LOG(ALERT) << "Receive error " << numRecv;
           return;
   }
 
   for (size_t i = 0; i < mChans; i++) {
-    output = (float *) (recvBuffer[i]->begin() + recvCursor);
-    convert_short_float(output, convertRecvBuffer[i], 2 * num_recv);
+    convert_short_float(recvBuffer[i]->getWriteSegment(),
+			convertRecvBuffer[i],
+			segmentLen * 2);
   }
 
   underrun |= local_underrun;
-
-  readTimestamp += num_recv;
-  recvCursor += num_recv;
+  readTimestamp += numRecv;
 }
 
 /* Send timestamped chunk to the device with arbitrary size */
-void RadioInterface::pushBuffer()
+bool RadioInterface::pushBuffer()
 {
-  int num_sent;
+  size_t numSent, segmentLen = sendBuffer[0]->getSegmentLen();
 
-  if (sendCursor < CHUNK)
-    return;
-
-  if (sendCursor > sendBuffer[0]->size())
-    LOG(ALERT) << "Send buffer overflow";
+  if (sendBuffer[0]->getAvailSegments() < 1)
+    return false;
 
   for (size_t i = 0; i < mChans; i++) {
     convert_float_short(convertSendBuffer[i],
-                        (float *) sendBuffer[i]->begin(),
-                        powerScaling[i], 2 * sendCursor);
+                        (float *) sendBuffer[i]->getReadSegment(),
+                        powerScaling[i],
+                        segmentLen * 2);
   }
 
-  /* Send the all samples in the send buffer */ 
-  num_sent = mRadio->writeSamples(convertSendBuffer,
-                                  sendCursor,
-                                  &underrun,
-                                  writeTimestamp);
-  writeTimestamp += num_sent;
-  sendCursor = 0;
+  /* Send the all samples in the send buffer */
+  numSent = mRadio->writeSamples(convertSendBuffer,
+                                 segmentLen,
+                                 &underrun,
+                                 writeTimestamp);
+  writeTimestamp += numSent;
+
+  return true;
 }

Transceiver52M/radioInterface.h

@@ -20,7 +20,10 @@
 #include "radioDevice.h"
 #include "radioVector.h"
 #include "radioClock.h"
+#include "radioBuffer.h"
 #include "Resampler.h"
+#include "Channelizer.h"
+#include "Synthesis.h"
 
 static const unsigned gSlotLen = 148;      ///< number of symbols per slot, not counting guard periods
 
@@ -38,12 +41,9 @@ protected:
   size_t mSPSTx;
   size_t mSPSRx;
   size_t mChans;
-  size_t mMIMO;
 
-  std::vector<signalVector *> sendBuffer;
-  std::vector<signalVector *> recvBuffer;
-  unsigned sendCursor;
-  unsigned recvCursor;
+  std::vector<RadioBuffer *> sendBuffer;
+  std::vector<RadioBuffer *> recvBuffer;
 
   std::vector<short *> convertRecvBuffer;
   std::vector<short *> convertSendBuffer;
@@ -61,16 +61,14 @@ protected:
 
 private:
 
-  /** format samples to USRP */ 
-  int radioifyVector(signalVector &wVector,
-                     float *floatVector,
-                     bool zero);
+  /** format samples to USRP */
+  int radioifyVector(signalVector &wVector, size_t chan, bool zero);
 
   /** format samples from USRP */
-  int unRadioifyVector(float *floatVector, signalVector &wVector);
+  int unRadioifyVector(signalVector *wVector, size_t chan);
 
   /** push GSM bursts into the transmit buffer */
-  virtual void pushBuffer(void);
+  virtual bool pushBuffer(void);
 
   /** pull GSM bursts from the receive buffer */
   virtual void pullBuffer(void);
@@ -86,10 +84,9 @@ public:
   virtual void close();
 
   /** constructor */
-  RadioInterface(RadioDevice* wRadio = NULL,
-                 size_t tx_sps = 4, size_t rx_sps = 1,
-		 size_t chans = 1, size_t diversity = 1,
-                 int receiveOffset = 3, GSM::Time wStartTime = GSM::Time(0));
+  RadioInterface(RadioDevice* wRadio, size_t tx_sps, size_t rx_sps,
+                 size_t chans = 1, int receiveOffset = 3,
+                 GSM::Time wStartTime = GSM::Time(0));
 
   /** destructor */
   virtual ~RadioInterface();
@@ -104,7 +101,7 @@ public:
   RadioClock* getClock(void) { return &mClock;};
 
   /** set transmit frequency */
-  bool tuneTx(double freq, size_t chan = 0);
+  virtual bool tuneTx(double freq, size_t chan = 0);
 
   /** set receive frequency */
   virtual bool tuneRx(double freq, size_t chan = 0);
@@ -136,61 +133,56 @@ public:
   /** get transport window type of attached device */ 
   enum RadioDevice::TxWindowType getWindowType() { return mRadio->getWindowType(); }
 
-#if USRP1
-protected:
+  /** Minimum latency that the device can achieve */
+  GSM::Time minLatency()  { return mRadio->minLatency(); }
 
+protected:
   /** drive synchronization of Tx/Rx of USRP */
   void alignRadio();
 
   friend void *AlignRadioServiceLoopAdapter(RadioInterface*);
-#endif
 };
 
-#if USRP1
-/** synchronization thread loop */
-void *AlignRadioServiceLoopAdapter(RadioInterface*);
-#endif
-
 class RadioInterfaceResamp : public RadioInterface {
-
 private:
-  signalVector *innerSendBuffer;
   signalVector *outerSendBuffer;
-  signalVector *innerRecvBuffer;
   signalVector *outerRecvBuffer;
 
-  void pushBuffer();
+  bool pushBuffer();
   void pullBuffer();
 
 public:
-
-  RadioInterfaceResamp(RadioDevice* wRadio, size_t wSPS = 4, size_t chans = 1);
-
+  RadioInterfaceResamp(RadioDevice* wRadio, size_t tx_sps, size_t rx_sps);
   ~RadioInterfaceResamp();
 
   bool init(int type);
   void close();
 };
 
-class RadioInterfaceDiversity : public RadioInterface {
-public:
-  RadioInterfaceDiversity(RadioDevice* wRadio,
-                          size_t sps = 4, size_t chans = 2);
+class RadioInterfaceMulti : public RadioInterface {
+private:
+  bool pushBuffer();
+  void pullBuffer();
 
-  ~RadioInterfaceDiversity();
+  signalVector *outerSendBuffer;
+  signalVector *outerRecvBuffer;
+  std::vector<signalVector *> history;
+  std::vector<bool> active;
+
+  Resampler *dnsampler;
+  Resampler *upsampler;
+  Channelizer *channelizer;
+  Synthesis *synthesis;
+
+public:
+  RadioInterfaceMulti(RadioDevice* radio, size_t tx_sps,
+                      size_t rx_sps, size_t chans = 1);
+  ~RadioInterfaceMulti();
 
   bool init(int type);
   void close();
+
+  bool tuneTx(double freq, size_t chan);
   bool tuneRx(double freq, size_t chan);
-
-private:
-  std::vector<Resampler *> dnsamplers;
-  std::vector<float> phases;
-  signalVector *outerRecvBuffer;
-
-  bool mDiversity;
-  double mFreqSpacing;
-
-  bool setupDiversityChannels();
-  void pullBuffer();
+  double setRxGain(double dB, size_t chan);
 };

Transceiver52M/radioInterfaceDiversity.cpp

@@ -1,248 +0,0 @@
-/*
- * SSE Convolution
- * Copyright (C) 2013 Thomas Tsou <tom@tsou.cc>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <radioInterface.h>
-#include <Logger.h>
-
-#include "Resampler.h"
-
-extern "C" {
-#include "convert.h"
-}
-
-/* Resampling parameters for 64 MHz clocking */
-#define RESAMP_64M_INRATE			20
-#define RESAMP_64M_OUTRATE			80
-
-/* Downlink block size */
-#define CHUNK					625
-
-/* Universal resampling parameters */
-#define NUMCHUNKS				48
-
-/*
- * Resampling filter bandwidth scaling factor
- *   This narrows the filter cutoff relative to the output bandwidth
- *   of the polyphase resampler. At 4 samples-per-symbol using the
- *   2 pulse Laurent GMSK approximation gives us below 0.5 degrees
- *   RMS phase error at the resampler output.
- */
-#define RESAMP_TX4_FILTER		0.45
-
-static size_t resamp_inrate = 0;
-static size_t resamp_inchunk = 0;
-static size_t resamp_outrate = 0;
-static size_t resamp_outchunk = 0;
-
-RadioInterfaceDiversity::RadioInterfaceDiversity(RadioDevice *wRadio,
-						 size_t sps, size_t chans)
-	: RadioInterface(wRadio, sps, chans, 2), outerRecvBuffer(NULL),
-	  mDiversity(false), mFreqSpacing(0.0)
-{
-}
-
-RadioInterfaceDiversity::~RadioInterfaceDiversity()
-{
-	close();
-}
-
-void RadioInterfaceDiversity::close()
-{
-	delete outerRecvBuffer;
-
-	outerRecvBuffer = NULL;
-
-	for (size_t i = 0; i < dnsamplers.size(); i++) {
-		delete dnsamplers[i];
-		dnsamplers[i] = NULL;
-	}
-
-	if (recvBuffer.size())
-		recvBuffer[0] = NULL;
-
-	RadioInterface::close();
-}
-
-bool RadioInterfaceDiversity::setupDiversityChannels()
-{
-	size_t inner_rx_len;
-
-	/* Inner and outer rates */
-	resamp_inrate = RESAMP_64M_INRATE;
-	resamp_outrate = RESAMP_64M_OUTRATE;
-	resamp_inchunk = resamp_inrate * 4;
-	resamp_outchunk = resamp_outrate * 4;
-
-	/* Buffer lengths */
-	inner_rx_len = NUMCHUNKS * resamp_inchunk;
-
-	/* Inside buffer must hold at least 2 bursts */
-	if (inner_rx_len < 157 * mSPSRx * 2) {
-		LOG(ALERT) << "Invalid inner buffer size " << inner_rx_len;
-		return false;
-	}
-
-	/* One Receive buffer and downsampler per diversity channel */
-	for (size_t i = 0; i < mMIMO * mChans; i++) {
-		dnsamplers[i] = new Resampler(resamp_inrate, resamp_outrate);
-		if (!dnsamplers[i]->init()) {
-			LOG(ALERT) << "Rx resampler failed to initialize";
-			return false;
-		}
-
-		recvBuffer[i] = new signalVector(inner_rx_len);
-	}
-
-	return true;
-}
-
-/* Initialize I/O specific objects */
-bool RadioInterfaceDiversity::init(int type)
-{
-	int tx_len, outer_rx_len;
-
-	if ((mMIMO != 2) || (mChans != 2)) {
-		LOG(ALERT) << "Unsupported channel configuration " << mChans;
-		return false;
-	}
-
-	/* Resize for channel combination */
-	sendBuffer.resize(mChans);
-	recvBuffer.resize(mChans * mMIMO);
-	convertSendBuffer.resize(mChans);
-	convertRecvBuffer.resize(mChans);
-	mReceiveFIFO.resize(mChans);
-	dnsamplers.resize(mChans * mMIMO);
-	phases.resize(mChans);
-
-	if (!setupDiversityChannels())
-		return false;
-
-	tx_len = CHUNK * mSPSTx;
-	outer_rx_len = resamp_outchunk;
-
-	for (size_t i = 0; i < mChans; i++) {
-		/* Full rate float and integer outer receive buffers */
-		convertRecvBuffer[i] = new short[outer_rx_len * 2];
-
-		/* Send buffers (not-resampled) */
-		sendBuffer[i] = new signalVector(tx_len);
-		convertSendBuffer[i] = new short[tx_len * 2];
-	}
-
-	outerRecvBuffer = new signalVector(outer_rx_len, dnsamplers[0]->len());
-
-	return true;
-}
-
-bool RadioInterfaceDiversity::tuneRx(double freq, size_t chan)
-{
-	double f0, f1;
-
-	if (chan > 1)
-		return false;
-
-	if (!mRadio->setRxFreq(freq, chan))
-		return false;
-
-	f0 = mRadio->getRxFreq(0);
-	f1 = mRadio->getRxFreq(1);
-
-	mFreqSpacing = f1 - f0;
-
-	if (abs(mFreqSpacing) <= 600e3)
-		mDiversity = true;
-	else
-		mDiversity = false;
-
-	return true;
-}
-
-/* Receive a timestamped chunk from the device */
-void RadioInterfaceDiversity::pullBuffer()
-{
-	bool local_underrun;
-	int rc, num, path0, path1;
-	signalVector *shift, *base;
-	float *in, *out, rate = -mFreqSpacing * 2.0 * M_PI / 1.08333333e6;
-
-	if (recvCursor > recvBuffer[0]->size() - resamp_inchunk)
-		return;
-
-	/* Outer buffer access size is fixed */
-	num = mRadio->readSamples(convertRecvBuffer,
-				  resamp_outchunk,
-				  &overrun,
-				  readTimestamp,
-				  &local_underrun);
-	if ((size_t) num != resamp_outchunk) {
-		LOG(ALERT) << "Receive error " << num;
-		return;
-	}
-
-	for (size_t i = 0; i < mChans; i++) {
-		convert_short_float((float *) outerRecvBuffer->begin(),
-			    convertRecvBuffer[i], 2 * resamp_outchunk);
-
-		if (!i) {
-			path0 = 0;
-			path1 = 2;
-		} else {
-			path0 = 3;
-			path1 = 1;
-		}
-
-		/* Diversity path 1 */
-		base = outerRecvBuffer;
-		in = (float *) base->begin();
-		out = (float *) (recvBuffer[path0]->begin() + recvCursor);
-
-		rc = dnsamplers[2 * i + 0]->rotate(in, resamp_outchunk,
-						   out, resamp_inchunk);
-		if (rc < 0) {
-			LOG(ALERT) << "Sample rate downsampling error";
-		}
-
-		/* Enable path 2 if Nyquist bandwidth is sufficient */
-		if (!mDiversity)
-			continue;
-
-		/* Diversity path 2 */
-		shift = new signalVector(base->size(), base->getStart());
-		in = (float *) shift->begin();
-		out = (float *) (recvBuffer[path1]->begin() + recvCursor);
-
-		rate = i ? -rate : rate;
-		if (!frequencyShift(shift, base, rate, phases[i], &phases[i])) {
-			LOG(ALERT) << "Frequency shift failed";
-		}
-
-		rc = dnsamplers[2 * i + 1]->rotate(in, resamp_outchunk,
-						   out, resamp_inchunk);
-		if (rc < 0) {
-			LOG(ALERT) << "Sample rate downsampling error";
-		}
-
-		delete shift;
-	}
-
-	underrun |= local_underrun;
-	readTimestamp += (TIMESTAMP) resamp_outchunk;
-	recvCursor += resamp_inchunk;
-}

Transceiver52M/radioInterfaceMulti.cpp

@@ -0,0 +1,391 @@
+/*
+ * Multi-carrier radio interface
+ *
+ * Copyright (C) 2016 Ettus Research LLC 
+ *
+ * Author: Tom Tsou <tom.tsou@ettus.com>
+ *
+ * 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 <radioInterface.h>
+#include <Logger.h>
+
+#include "Resampler.h"
+
+extern "C" {
+#include "convert.h"
+}
+
+/* Resampling parameters for 64 MHz clocking */
+#define RESAMP_INRATE			65
+#define RESAMP_OUTRATE			(96 / 2)
+
+/* Universal resampling parameters */
+#define NUMCHUNKS				24
+
+#define MCHANS					4
+
+RadioInterfaceMulti::RadioInterfaceMulti(RadioDevice *radio, size_t tx_sps,
+					 size_t rx_sps, size_t chans)
+	: RadioInterface(radio, tx_sps, rx_sps, chans),
+	  outerSendBuffer(NULL), outerRecvBuffer(NULL),
+	  dnsampler(NULL), upsampler(NULL), channelizer(NULL), synthesis(NULL)
+{
+}
+
+RadioInterfaceMulti::~RadioInterfaceMulti()
+{
+	close();
+}
+
+void RadioInterfaceMulti::close()
+{
+	delete outerSendBuffer;
+	delete outerRecvBuffer;
+	delete dnsampler;
+	delete upsampler;
+	delete channelizer;
+	delete synthesis;
+
+	outerSendBuffer = NULL;
+	outerRecvBuffer = NULL;
+	dnsampler = NULL;
+	upsampler = NULL;
+	channelizer = NULL;
+	synthesis = NULL;
+
+	mReceiveFIFO.resize(0);
+	powerScaling.resize(0);
+	history.resize(0);
+	active.resize(0);
+
+	RadioInterface::close();
+}
+
+static int getLogicalChan(size_t pchan, size_t chans)
+{
+	switch (chans) {
+	case 1:
+		if (pchan == 0)
+			return 0;
+		else
+			return -1;
+		break;
+	case 2:
+		if (pchan == 0)
+			return 0;
+		if (pchan == 3)
+			return 1;
+		else
+			return -1;
+		break;
+	case 3:
+		if (pchan == 1)
+			return 0;
+		if (pchan == 0)
+			return 1;
+		if (pchan == 3)
+			return 2;
+		else
+			return -1;
+		break;
+	default:
+		break;
+	};
+
+	return -1;
+}
+
+static int getFreqShift(size_t chans)
+{
+	switch (chans) {
+	case 1:
+		return 0;
+	case 2:
+		return 0;
+	case 3:
+		return 1;
+	default:
+		break;
+	};
+
+	return -1;
+}
+
+/* Initialize I/O specific objects */
+bool RadioInterfaceMulti::init(int type)
+{
+	float cutoff = 1.0f;
+	size_t inchunk = 0, outchunk = 0;
+
+	if (mChans > MCHANS - 1) {
+		LOG(ALERT) << "Invalid channel configuration " << mChans;
+		return false;
+	}
+
+	close();
+
+	sendBuffer.resize(mChans);
+	recvBuffer.resize(mChans);
+	convertSendBuffer.resize(1);
+	convertRecvBuffer.resize(1);
+
+	mReceiveFIFO.resize(mChans);
+	powerScaling.resize(mChans);
+	history.resize(mChans);
+	active.resize(MCHANS, false);
+
+	inchunk = RESAMP_INRATE * 4;
+	outchunk = RESAMP_OUTRATE * 4;
+
+	if (inchunk  * NUMCHUNKS < 625 * 2) {
+		LOG(ALERT) << "Invalid inner chunk size " << inchunk;
+		return false;
+	}
+
+	dnsampler = new Resampler(RESAMP_INRATE, RESAMP_OUTRATE);
+	if (!dnsampler->init(1.0)) {
+		LOG(ALERT) << "Rx resampler failed to initialize";
+		return false;
+	}
+
+	upsampler = new Resampler(RESAMP_OUTRATE, RESAMP_INRATE);
+	if (!upsampler->init(cutoff)) {
+		LOG(ALERT) << "Tx resampler failed to initialize";
+		return false;
+	}
+
+	channelizer = new Channelizer(MCHANS, outchunk);
+	if (!channelizer->init()) {
+		LOG(ALERT) << "Rx channelizer failed to initialize";
+		return false;
+	}
+
+	synthesis = new Synthesis(MCHANS, outchunk);
+	if (!synthesis->init()) {
+		LOG(ALERT) << "Tx synthesis filter failed to initialize";
+		return false;
+	}
+
+	/*
+	 * Allocate high and low rate buffers. The high rate receive
+	 * buffer and low rate transmit vectors feed into the resampler
+	 * and requires headroom equivalent to the filter length. Low
+	 * rate buffers are allocated in the main radio interface code.
+	 */
+	for (size_t i = 0; i < mChans; i++) {
+		sendBuffer[i] = new RadioBuffer(NUMCHUNKS, inchunk,
+					        upsampler->len(), true);
+		recvBuffer[i] = new RadioBuffer(NUMCHUNKS, inchunk,
+		                                0, false);
+		history[i] = new signalVector(dnsampler->len());
+
+		synthesis->resetBuffer(i);
+	}
+
+	outerSendBuffer = new signalVector(synthesis->outputLen());
+	outerRecvBuffer = new signalVector(channelizer->inputLen());
+
+	convertSendBuffer[0] = new short[2 * synthesis->outputLen()];
+	convertRecvBuffer[0] = new short[2 * channelizer->inputLen()];
+
+	/* Configure channels */
+	switch (mChans) {
+	case 1:
+		active[0] = true;
+		break;
+	case 2:
+		active[0] = true;
+		active[3] = true;
+		break;
+	case 3:
+		active[0] = true;
+		active[1] = true;
+		active[3] = true;
+		break;
+	default:
+		LOG(ALERT) << "Unsupported channel combination";
+		return false;
+	}
+
+	return true;
+}
+
+/* Receive a timestamped chunk from the device */
+void RadioInterfaceMulti::pullBuffer()
+{
+	bool local_underrun;
+	size_t num;
+	float *buf;
+
+	if (recvBuffer[0]->getFreeSegments() <= 0)
+		return;
+
+	/* Outer buffer access size is fixed */
+	num = mRadio->readSamples(convertRecvBuffer,
+				  outerRecvBuffer->size(),
+				  &overrun,
+				  readTimestamp,
+				  &local_underrun);
+	if (num != channelizer->inputLen()) {
+		LOG(ALERT) << "Receive error " << num << ", " << channelizer->inputLen();
+		return;
+	}
+
+	convert_short_float((float *) outerRecvBuffer->begin(),
+			    convertRecvBuffer[0], 2 * outerRecvBuffer->size());
+
+	underrun |= local_underrun;
+	readTimestamp += num;
+
+	channelizer->rotate((float *) outerRecvBuffer->begin(),
+			    outerRecvBuffer->size());
+
+	for (size_t pchan = 0; pchan < MCHANS; pchan++) {
+		if (!active[pchan])
+			continue;
+
+		int lchan = getLogicalChan(pchan, mChans);
+		if (lchan < 0) {
+			LOG(ALERT) << "Invalid logical channel " << pchan;
+			continue;
+		}
+
+		/*
+		 * Update history by writing into the head portion of the
+		 * channelizer output buffer. For this to work, filter length of
+		 * the polyphase channelizer partition filter should be equal to
+		 * or larger than the resampling filter.
+		 */
+		buf = channelizer->outputBuffer(pchan);
+		size_t cLen = channelizer->outputLen();
+		size_t hLen = dnsampler->len();
+		size_t hSize = 2 * hLen * sizeof(float);
+
+		memcpy(&buf[2 * -hLen], history[lchan]->begin(), hSize);
+		memcpy(history[lchan]->begin(), &buf[2 * (cLen - hLen)], hSize);
+
+		float *wr_segment = recvBuffer[lchan]->getWriteSegment();
+
+		/* Write to the end of the inner receive buffer */
+		if (!dnsampler->rotate(channelizer->outputBuffer(pchan),
+				       channelizer->outputLen(),
+				       wr_segment,
+				       recvBuffer[lchan]->getSegmentLen())) {
+			LOG(ALERT) << "Sample rate upsampling error";
+		}
+	}
+}
+
+/* Send a timestamped chunk to the device */
+bool RadioInterfaceMulti::pushBuffer()
+{
+	if (sendBuffer[0]->getAvailSegments() <= 0)
+		return false;
+
+	for (size_t pchan = 0; pchan < MCHANS; pchan++) {
+		if (!active[pchan]) {
+			synthesis->resetBuffer(pchan);
+			continue;
+		}
+
+		int lchan = getLogicalChan(pchan, mChans);
+		if (lchan < 0) {
+			LOG(ALERT) << "Invalid logical channel " << pchan;
+			continue;
+		}
+
+		if (!upsampler->rotate(sendBuffer[lchan]->getReadSegment(),
+				       sendBuffer[lchan]->getSegmentLen(),
+				       synthesis->inputBuffer(pchan),
+				       synthesis->inputLen())) {
+			LOG(ALERT) << "Sample rate downsampling error";
+		}
+	}
+
+	synthesis->rotate((float *) outerSendBuffer->begin(),
+			  outerSendBuffer->size());
+
+	convert_float_short(convertSendBuffer[0],
+			    (float *) outerSendBuffer->begin(),
+			    1.0 / (float) mChans, 2 * outerSendBuffer->size());
+
+	size_t num = mRadio->writeSamples(convertSendBuffer,
+					  outerSendBuffer->size(),
+					  &underrun,
+					  writeTimestamp);
+	if (num != outerSendBuffer->size()) {
+		LOG(ALERT) << "Transmit error " << num;
+	}
+
+	writeTimestamp += num;
+
+	return true;
+}
+
+/* Frequency comparison limit */
+#define FREQ_DELTA_LIMIT		10.0
+
+static bool fltcmp(double a, double b)
+{
+	return fabs(a - b) < FREQ_DELTA_LIMIT ? true : false;
+}
+
+bool RadioInterfaceMulti::tuneTx(double freq, size_t chan)
+{
+  if (chan >= mChans)
+    return false;
+
+  double shift = (double) getFreqShift(mChans);
+
+  if (!chan)
+    return mRadio->setTxFreq(freq + shift * MCBTS_SPACING);
+
+  double center = mRadio->getTxFreq();
+  if (!fltcmp(freq, center + (double) (chan - shift) * MCBTS_SPACING)) {
+    LOG(NOTICE) << "Channel " << chan << " RF frequency offset is "
+                << freq / 1e6 << " MHz";
+  }
+
+  return true;
+}
+
+bool RadioInterfaceMulti::tuneRx(double freq, size_t chan)
+{
+  if (chan >= mChans)
+    return false;
+
+  double shift = (double) getFreqShift(mChans);
+
+  if (!chan)
+    return mRadio->setRxFreq(freq + shift * MCBTS_SPACING);
+
+  double center = mRadio->getRxFreq();
+  if (!fltcmp(freq, center + (double) (chan - shift) * MCBTS_SPACING)) {
+    LOG(NOTICE) << "Channel " << chan << " RF frequency offset is "
+                << freq / 1e6 << " MHz";
+  }
+
+  return true;
+}
+
+double RadioInterfaceMulti::setRxGain(double db, size_t chan)
+{
+  if (!chan)
+    return mRadio->setRxGain(db);
+  else
+    return mRadio->getRxGain();
+}

Transceiver52M/radioInterfaceResamp.cpp

@@ -1,8 +1,10 @@
 /*
  * Radio device interface with sample rate conversion
- * Written by Thomas Tsou <tom@tsou.cc>
  *
- * Copyright 2011, 2012, 2013 Free Software Foundation, Inc.
+ * Copyright (C) 2011-2014 Free Software Foundation, Inc.
+ * Copyright (C) 2015 Ettus Research LLC
+ *
+ * Author: Tom Tsou <tom@tsou.cc>
  *
  * 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
@@ -56,10 +58,9 @@ static size_t resamp_outrate = 0;
 static size_t resamp_outchunk = 0;
 
 RadioInterfaceResamp::RadioInterfaceResamp(RadioDevice *wRadio,
-					   size_t sps, size_t chans)
-	: RadioInterface(wRadio, sps, chans),
-	  innerSendBuffer(NULL), outerSendBuffer(NULL),
-	  innerRecvBuffer(NULL), outerRecvBuffer(NULL)
+					   size_t tx_sps, size_t rx_sps)
+	: RadioInterface(wRadio, tx_sps, rx_sps, 1),
+	  outerSendBuffer(NULL), outerRecvBuffer(NULL)
 {
 }
 
@@ -70,17 +71,13 @@ RadioInterfaceResamp::~RadioInterfaceResamp()
 
 void RadioInterfaceResamp::close()
 {
-	delete innerSendBuffer;
 	delete outerSendBuffer;
-	delete innerRecvBuffer;
 	delete outerRecvBuffer;
 
 	delete upsampler;
 	delete dnsampler;
 
-	innerSendBuffer = NULL;
 	outerSendBuffer = NULL;
-	innerRecvBuffer = NULL;
 	outerRecvBuffer = NULL;
 
 	upsampler = NULL;
@@ -99,11 +96,6 @@ bool RadioInterfaceResamp::init(int type)
 {
 	float cutoff = 1.0f;
 
-	if (mChans != 1) {
-		LOG(ALERT) << "Unsupported channel configuration " << mChans;
-		return false;
-	}
-
 	close();
 
 	sendBuffer.resize(1);
@@ -128,13 +120,8 @@ bool RadioInterfaceResamp::init(int type)
 		return false;
 	}
 
-	resamp_inchunk = resamp_inrate * 4;
-	resamp_outchunk = resamp_outrate * 4;
-
-	if (resamp_inchunk  * NUMCHUNKS < 157 * mSPSTx * 2) {
-		LOG(ALERT) << "Invalid inner chunk size " << resamp_inchunk;
-		return false;
-	}
+	resamp_inchunk = resamp_inrate * 4 * mSPSRx;
+	resamp_outchunk = resamp_outrate * 4 * mSPSRx;
 
 	if (mSPSTx == 4)
 		cutoff = RESAMP_TX4_FILTER;
@@ -157,21 +144,18 @@ bool RadioInterfaceResamp::init(int type)
 	 * and requires headroom equivalent to the filter length. Low
 	 * rate buffers are allocated in the main radio interface code.
 	 */
-	innerSendBuffer =
-		new signalVector(NUMCHUNKS * resamp_inchunk, upsampler->len());
+	sendBuffer[0] = new RadioBuffer(NUMCHUNKS, resamp_inchunk,
+					  upsampler->len(), true);
+	recvBuffer[0] = new RadioBuffer(NUMCHUNKS * 20, resamp_inchunk, 0, false);
+
 	outerSendBuffer =
 		new signalVector(NUMCHUNKS * resamp_outchunk);
 	outerRecvBuffer =
 		new signalVector(resamp_outchunk, dnsampler->len());
-	innerRecvBuffer =
-		new signalVector(NUMCHUNKS * resamp_inchunk / mSPSTx);
 
 	convertSendBuffer[0] = new short[outerSendBuffer->size() * 2];
 	convertRecvBuffer[0] = new short[outerRecvBuffer->size() * 2];
 
-	sendBuffer[0] = innerSendBuffer;
-	recvBuffer[0] = innerRecvBuffer;
-
 	return true;
 }
 
@@ -181,7 +165,7 @@ void RadioInterfaceResamp::pullBuffer()
 	bool local_underrun;
 	int rc, num_recv;
 
-	if (recvCursor > innerRecvBuffer->size() - resamp_inchunk)
+	if (recvBuffer[0]->getFreeSegments() <= 0)
 		return;
 
 	/* Outer buffer access size is fixed */
@@ -204,57 +188,47 @@ void RadioInterfaceResamp::pullBuffer()
 	/* Write to the end of the inner receive buffer */
 	rc = dnsampler->rotate((float *) outerRecvBuffer->begin(),
 			       resamp_outchunk,
-			       (float *) (innerRecvBuffer->begin() + recvCursor),
+			       recvBuffer[0]->getWriteSegment(),
 			       resamp_inchunk);
 	if (rc < 0) {
 		LOG(ALERT) << "Sample rate upsampling error";
 	}
 
-	recvCursor += resamp_inchunk;
+	/* Set history for the next chunk */
+	outerRecvBuffer->updateHistory();
 }
 
 /* Send a timestamped chunk to the device */
-void RadioInterfaceResamp::pushBuffer()
+bool RadioInterfaceResamp::pushBuffer()
 {
-	int rc, chunks, num_sent;
-	int inner_len, outer_len;
+	int rc;
+	size_t numSent;
 
-	if (sendCursor < resamp_inchunk)
-		return;
-
-	if (sendCursor > innerSendBuffer->size())
-		LOG(ALERT) << "Send buffer overflow";
-
-	chunks = sendCursor / resamp_inchunk;
-
-	inner_len = chunks * resamp_inchunk;
-	outer_len = chunks * resamp_outchunk;
+	if (sendBuffer[0]->getAvailSegments() <= 0)
+		return false;
 
 	/* Always send from the beginning of the buffer */
-	rc = upsampler->rotate((float *) innerSendBuffer->begin(), inner_len,
-			       (float *) outerSendBuffer->begin(), outer_len);
+	rc = upsampler->rotate(sendBuffer[0]->getReadSegment(),
+			       resamp_inchunk,
+			       (float *) outerSendBuffer->begin(),
+			       resamp_outchunk);
 	if (rc < 0) {
 		LOG(ALERT) << "Sample rate downsampling error";
 	}
 
 	convert_float_short(convertSendBuffer[0],
 			    (float *) outerSendBuffer->begin(),
-			    powerScaling[0], 2 * outer_len);
+			    powerScaling[0], 2 * resamp_outchunk);
 
-	num_sent = mRadio->writeSamples(convertSendBuffer,
-					outer_len,
-					&underrun,
-					writeTimestamp);
-	if (num_sent != outer_len) {
-		LOG(ALERT) << "Transmit error " << num_sent;
+	numSent = mRadio->writeSamples(convertSendBuffer,
+				       resamp_outchunk,
+				       &underrun,
+				       writeTimestamp);
+	if (numSent != resamp_outchunk) {
+		LOG(ALERT) << "Transmit error " << numSent;
 	}
 
-	/* Shift remaining samples to beginning of buffer */
-	memmove(innerSendBuffer->begin(),
-		innerSendBuffer->begin() + inner_len,
-		(sendCursor - inner_len) * 2 * sizeof(float));
+	writeTimestamp += resamp_outchunk;
 
-	writeTimestamp += outer_len;
-	sendCursor -= inner_len;
-	assert(sendCursor >= 0);
+	return true;
 }

Transceiver52M/sigProcLib.h

@@ -21,19 +21,20 @@
 #include "signalVector.h"
 
 /* Burst lengths */
-#define NORMAL_BURST_NBITS		148
-#define EDGE_BURST_NBITS		444
-#define EDGE_BURST_NSYMS		(EDGE_BURST_NBITS / 3)
+#define NORMAL_BURST_NBITS    148
+#define EDGE_BURST_NBITS      444
+#define EDGE_BURST_NSYMS      (EDGE_BURST_NBITS / 3)
 
-/** Convolution type indicator */
-enum ConvType {
-  START_ONLY,
-  NO_DELAY,
-  CUSTOM,
-  UNDEFINED,
+/** Codes for burst types of received bursts*/
+enum CorrType{
+  OFF,         ///< timeslot is off
+  TSC,         ///< timeslot should contain a normal burst
+  RACH,        ///< timeslot should contain an access burst
+  EDGE,        ///< timeslot should contain an EDGE burst
+  IDLE         ///< timeslot is an idle (or dummy) burst
 };
 
-enum signalError {
+enum SignalError {
   SIGERR_NONE,
   SIGERR_BOUNDS,
   SIGERR_CLIP,
@@ -41,17 +42,14 @@ enum signalError {
   SIGERR_INTERNAL,
 };
 
-/** Convert a linear number to a dB value */
-float dB(float x);
-
-/** Convert a dB value into a linear value */
-float dBinv(float x);
-
-/** Compute the energy of a vector */
-float vectorNorm2(const signalVector &x);
-
-/** Compute the average power of a vector */
-float vectorPower(const signalVector &x);
+/*
+ * Burst detection threshold
+ *
+ * Decision threshold value for burst gating on peak-to-average value of
+ * correlated synchronization sequences. Lower values pass more bursts up
+ * to upper layers but will increase the false detection rate.
+ */
+#define BURST_THRESH    4.0
 
 /** Setup the signal processing library */
 bool sigProcLibSetup();
@@ -59,55 +57,13 @@ bool sigProcLibSetup();
 /** Destroy the signal processing library */
 void sigProcLibDestroy(void);
 
-/** 
- 	Convolve two vectors. 
-	@param a,b The vectors to be convolved.
-	@param c, A preallocated vector to hold the convolution result.
-	@param spanType The type/span of the convolution.
-	@return The convolution result or NULL on error.
-*/
-signalVector *convolve(const signalVector *a, const signalVector *b,
-                       signalVector *c, ConvType spanType,
-                       size_t start = 0, size_t len = 0,
-                       size_t step = 1, int offset = 0);
-
-/** 
-        Frequency shift a vector.
-	@param y The frequency shifted vector.
-	@param x The vector to-be-shifted.
-	@param freq The digital frequency shift
-	@param startPhase The starting phase of the oscillator 
-	@param finalPhase The final phase of the oscillator
-	@return The frequency shifted vector.
-*/
-signalVector* frequencyShift(signalVector *y,
-			     signalVector *x,
-			     float freq = 0.0,
-			     float startPhase = 0.0,
-			     float *finalPhase=NULL);
-
-/** 
-        Correlate two vectors. 
-        @param a,b The vectors to be correlated.
-        @param c, A preallocated vector to hold the correlation result.
-        @param spanType The type/span of the correlation.
-        @return The correlation result.
-*/
-signalVector* correlate(signalVector *a,
-			signalVector *b,
-			signalVector *c,
-			ConvType spanType,
-                        bool bReversedConjugated = false,
-			unsigned startIx = 0,
-			unsigned len = 0);
-
-/** Operate soft slicer on real-valued portion of vector */ 
-bool vectorSlicer(signalVector *x);
+/** Operate soft slicer on a soft-bit vector */
+bool vectorSlicer(SoftVector *x);
 
 /** GMSK modulate a GSM burst of bits */
 signalVector *modulateBurst(const BitVector &wBurst,
-			    int guardPeriodLength,
-			    int sps, bool emptyPulse = false);
+                            int guardPeriodLength,
+                            int sps, bool emptyPulse = false);
 
 /** 8-PSK modulate a burst of bits */
 signalVector *modulateEdgeBurst(const BitVector &bits,
@@ -128,161 +84,46 @@ signalVector *genRandAccessBurst(int delay, int sps, int tn);
 /** Generate a dummy GSM burst - 4 or 1 SPS */
 signalVector *generateDummyBurst(int sps, int tn);
 
-/** Sinc function */
-float sinc(float x);
-
-/** Delay a vector */
-signalVector *delayVector(signalVector *in, signalVector *out, float delay);
-
-/** Add two vectors in-place */
-bool addVector(signalVector &x,
-	       signalVector &y);
-
-/** Multiply two vectors in-place*/
-bool multVector(signalVector &x,
-                signalVector &y);
-
-/** Generate a vector of gaussian noise */
-signalVector *gaussianNoise(int length,
-                            float variance = 1.0,
-                            complex mean = complex(0.0));
-
-/**
-	Given a non-integer index, interpolate a sample.
-	@param inSig The signal from which to interpolate.
-	@param ix The index.
-	@return The interpolated signal value.
-*/
-complex interpolatePoint(const signalVector &inSig,
-			 float ix);
-
-/**
-	Given a correlator output, locate the correlation peak.
-	@param rxBurst The correlator result.
-	@param peakIndex Pointer to value to receive interpolated peak index.
-	@param avgPower Power to value to receive mean power.
-	@return Peak value.
-*/
-complex peakDetect(const signalVector &rxBurst,
-		   float *peakIndex,
-		   float *avgPwr);
-
 /**
         Apply a scalar to a vector.
         @param x The vector of interest.
         @param scale The scalar.
 */
 void scaleVector(signalVector &x,
-		 complex scale);
+                 complex scale);
 
 /**
-        Energy detector, checks to see if received burst energy is above a threshold.
-        @param rxBurst The received GSM burst of interest.
+        Rough energy estimator.
+        @param rxBurst A GSM burst.
         @param windowLength The number of burst samples used to compute burst energy
-        @param detectThreshold The detection threshold, a linear value.
-        @param avgPwr The average power of the received burst.
-        @return True if burst energy is above threshold.
+        @return The average power of the received burst.
 */
-bool energyDetect(signalVector &rxBurst,
-		  unsigned windowLength,
-                  float detectThreshold,
-                  float *avgPwr = NULL);
-
+float energyDetect(const signalVector &rxBurst,
+                   unsigned windowLength);
 /**
-        RACH correlator/detector.
-        @param rxBurst The received GSM burst of interest.
-        @param detectThreshold The threshold that the received burst's post-correlator SNR is compared against to determine validity.
-        @param sps The number of samples per GSM symbol.
-        @param amplitude The estimated amplitude of received RACH burst.
-        @param TOA The estimate time-of-arrival of received RACH burst.
-        @param maxTOA The maximum expected time-of-arrival
-        @return positive if threshold value is reached, negative on error, zero otherwise
-*/
-int detectRACHBurst(signalVector &rxBurst,
-                    float detectThreshold,
-                    int sps,
-                    complex &amplitude,
-                    float &TOA,
-                    unsigned maxTOA);
-
-/**
-        Normal burst correlator, detector, channel estimator.
-        @param rxBurst The received GSM burst of interest.
- 
-        @param detectThreshold The threshold that the received burst's post-correlator SNR is compared against to determine validity.
-        @param sps The number of samples per GSM symbol.
-        @param amplitude The estimated amplitude of received TSC burst.
-        @param TOA The estimate time-of-arrival of received TSC burst.
-        @param maxTOA The maximum expected time-of-arrival
-        @param requestChannel Set to true if channel estimation is desired.
-        @param channelResponse The estimated channel.
-        @param channelResponseOffset The time offset b/w the first sample of the channel response and the reported TOA.
-        @return positive if threshold value is reached, negative on error, zero otherwise
-*/
-int analyzeTrafficBurst(signalVector &rxBurst,
-                        unsigned TSC,
-                        float detectThreshold,
-                        int sps,
-                        complex &amplitude,
-                        float &TOA,
-                        unsigned maxTOA);
-
-/**
-        EDGE burst detector
+        8-PSK/GMSK/RACH burst detector
         @param burst The received GSM burst of interest
- 
-        @param detectThreshold The threshold that the received burst's post-correlator SNR is compared against to determine validity.
+        @param tsc Midamble type (0..7) also known as TSC
+        @param threshold The threshold that the received burst's post-correlator SNR is compared against to determine validity.
         @param sps The number of samples per GSM symbol.
         @param amplitude The estimated amplitude of received TSC burst.
-        @param TOA The estimate time-of-arrival of received TSC burst.
-        @param maxTOA The maximum expected time-of-arrival
-        @return positive if threshold value is reached, negative on error, zero otherwise
+        @param toa The estimate time-of-arrival of received TSC burst (in symbols).
+        @param max_toa The maximum expected time-of-arrival (in symbols).
+        @return positive value (CorrType) if threshold value is reached,
+                negative value (-SignalError) on error,
+                zero (SIGERR_NONE) if no burst is detected
 */
-int detectEdgeBurst(signalVector &burst,
-                    unsigned TSC,
-                    float detectThreshold,
-                    int sps,
-                    complex &amplitude,
-                    float &TOA,
-                    unsigned maxTOA);
+int detectAnyBurst(const signalVector &burst,
+                   unsigned tsc,
+                   float threshold,
+                   int sps,
+                   CorrType type,
+                   complex &amp,
+                   float &toa,
+                   unsigned max_toa);
 
-/**
-	Downsample 4 SPS to 1 SPS using a polyphase filterbank
-        @param burst Input burst of at least 624 symbols
-        @return Decimated signal vector of 156 symbols
-*/
-
-signalVector *downsampleBurst(signalVector &burst);
-
-/**
-	Decimate a vector.
-        @param wVector The vector of interest.
-        @param factor Decimation factor.
-        @return The decimated signal vector.
-*/
-signalVector *decimateVector(signalVector &wVector, size_t factor);
-
-/**
-        Demodulates a received burst using a soft-slicer.
-	@param rxBurst The burst to be demodulated.
-        @param gsmPulse The GSM pulse.
-        @param sps The number of samples per GSM symbol.
-        @param channel The amplitude estimate of the received burst.
-        @param TOA The time-of-arrival of the received burst.
-        @return The demodulated bit sequence.
-*/
-SoftVector *demodulateBurst(signalVector &rxBurst, int sps,
-                            complex channel, float TOA);
-
-/**
-        Demodulate 8-PSK EDGE burst with soft symbol ooutput
-	@param rxBurst The burst to be demodulated.
-        @param sps The number of samples per GSM symbol.
-        @param channel The amplitude estimate of the received burst.
-        @param TOA The time-of-arrival of the received burst.
-        @return The demodulated bit sequence.
-*/
-SoftVector *demodEdgeBurst(signalVector &rxBurst, int sps,
-                           complex channel, float TOA);
+/** Demodulate burst basde on type and output soft bits */
+SoftVector *demodAnyBurst(const signalVector &burst, int sps,
+                          complex amp, float toa, CorrType type);
 
 #endif /* SIGPROCLIB_H */

Transceiver52M/signalVector.cpp

@@ -45,11 +45,25 @@ void signalVector::operator=(const signalVector& vector)
 	mStart = mData + vector.getStart();
 }
 
+signalVector signalVector::segment(size_t start, size_t span)
+{
+	return signalVector(mData, start, span);
+}
+
 size_t signalVector::getStart() const
 {
 	return mStart - mData;
 }
 
+size_t signalVector::updateHistory()
+{
+	size_t num = getStart();
+
+	memmove(mData, mStart + this->size() - num, num * sizeof(complex));
+
+	return num;
+}
+
 Symmetry signalVector::getSymmetry() const
 {
 	return symmetry;