diff options
| author | Piotr Krysik <perper@o2.pl> | 2009-06-30 23:03:33 +0200 |
|---|---|---|
| committer | Piotr Krysik <perper@o2.pl> | 2009-06-30 23:03:33 +0200 |
| commit | 8d2bc49fb9e0c9a5fbd75aa3cad207608e72bf99 (patch) | |
| tree | a32fdcd2e8e2b16cc725045d049ed94b3f675956 /src/lib/decoder/openbtsstuff | |
| parent | 8f97a59b21fd8d3ecd111ee770932d852e625d52 (diff) | |
moved gsm-receiver into directory - preparation to move to airprobe
Diffstat (limited to 'src/lib/decoder/openbtsstuff')
20 files changed, 0 insertions, 4485 deletions
diff --git a/src/lib/decoder/openbtsstuff/AUTHORS b/src/lib/decoder/openbtsstuff/AUTHORS deleted file mode 100644 index 8075492..0000000 --- a/src/lib/decoder/openbtsstuff/AUTHORS +++ /dev/null @@ -1,173 +0,0 @@ -# -# Copyright 2008 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. -# - -David A. Burgess, dburgess@kestrelsp.com: - CommonLibs/Assert.h - CommonLibs/BitVector.cpp - CommonLibs/BitVectorTest.cpp - CommonLibs/Interthread.h - CommonLibs/InterthreadTest.cpp - CommonLibs/LinkedLists.cpp - CommonLibs/LinkedLists.h - 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 - GSM/GSMCommon.h - GSM/GSMConfig.h - GSM/GSML1FEC.cpp - GSM/GSML1FEC.h - GSM/GSML2LAPDm.cpp - GSM/GSML2LAPDm.h - GSM/GSML3CCElements.cpp - GSM/GSML3CCElements.h - GSM/GSML3CCMessages.cpp - GSM/GSML3CCMessages.h - GSM/GSML3CommonElements.cpp - GSM/GSML3CommonElements.h - GSM/GSML3MMElements.cpp - GSM/GSML3MMElements.h - GSM/GSML3MMMessages.cpp - GSM/GSML3MMMessages.h - GSM/GSML3Message.cpp - GSM/GSML3Message.h - GSM/GSML3RRElements.cpp - GSM/GSML3RRElements.h - GSM/GSML3RRMessages.cpp - GSM/GSML3RRMessages.h - GSM/GSMLogicalChannel.h - GSM/GSMTDMA.cpp - GSM/GSMTDMA.h - GSM/GSMTransfer.cpp - GSM/GSMTransfer.h - LICENSEBLOCK - SIP/SIPEngine.h - SIP/SIPInterface.h - TRXManager/TRXManager.cpp - Transceiver/Complex.h - apps/OpenBTS900.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 - -Harvind S. Samra, hssamra@kestrelsp.com: - Control/PagerTest.cpp - Control/RadioResource.cpp - GSM/GSMConfig.h - GSM/GSMTransfer.h - LICENSEBLOCK - Transceiver/ComplexTest.cpp - Transceiver/Transceiver.cpp - Transceiver/Transceiver.h - Transceiver/USRPDevice.cpp - Transceiver/USRPDevice.h - Transceiver/USRPping.cpp - Transceiver/radioInterface.cpp - Transceiver/radioInterface.h - Transceiver/rcvLPF_651.h - Transceiver/runTransceiver.cpp - Transceiver/sendLPF_961.h - Transceiver/sigProcLib.cpp - Transceiver/sigProcLib.h - Transceiver/sigProcLibTest.cpp - Transceiver/sweepGenerator.cpp - 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 - GSM/GSML3CCElements.cpp - GSM/GSML3CCElements.h - GSM/GSML3CCMessages.cpp - GSM/GSML3CCMessages.h - GSM/GSML3CommonElements.cpp - GSM/GSML3CommonElements.h - GSM/GSML3MMElements.cpp - GSM/GSML3MMElements.h - GSM/GSML3MMMessages.cpp - GSM/GSML3MMMessages.h - GSM/GSML3Message.cpp - GSM/GSML3Message.h - GSM/GSML3RRElements.cpp - GSM/GSML3RRElements.h - GSM/GSML3RRMessages.cpp - GSM/GSML3RRMessages.h - GSM/GSMLogicalChannel.h - GSM/GSMSAPMux.cpp - 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 diff --git a/src/lib/decoder/openbtsstuff/Assert.h b/src/lib/decoder/openbtsstuff/Assert.h deleted file mode 100644 index 00ad07d..0000000 --- a/src/lib/decoder/openbtsstuff/Assert.h +++ /dev/null @@ -1,49 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - -#ifndef ASSERT_H -#define ASSERT_H - -#include "stdio.h" - -/** This is thrown by assert() so that gdb can catch it. */ -class Assertion { - - public: - - Assertion() - { - fprintf(stderr,"Try setting a breakpoint @ %s:%u.\n",__FILE__,__LINE__); - return; - } - -}; - -#ifdef NDEBUG -#define assert(EXPR) {}; -#else -/** This replaces the regular assert() with a C++ exception. */ -#include "stdio.h" -#define assert(E) { if (!(E)) { fprintf(stderr,"%s:%u failed assertion '%s'\n",__FILE__,__LINE__,#E); throw Assertion(); } } -#endif - -#endif diff --git a/src/lib/decoder/openbtsstuff/BitVector.cpp b/src/lib/decoder/openbtsstuff/BitVector.cpp deleted file mode 100644 index 89d8d19..0000000 --- a/src/lib/decoder/openbtsstuff/BitVector.cpp +++ /dev/null @@ -1,513 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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 "BitVector.h" -#include <iostream> - -using namespace std; - - -/** - Apply a Galois polymonial to a binary seqeunce. - @param val The input sequence. - @param poly The polynomial. - @param order The order of the polynomial. - @return Single-bit result. -*/ -unsigned applyPoly(uint64_t val, uint64_t poly, unsigned order) -{ - uint64_t prod = val & poly; - unsigned sum = prod; - for (unsigned i=1; i<order; i++) sum ^= prod>>i; - return sum & 0x01; -} - - - - - - -BitVector::BitVector(const char *valString) - :Vector<char>(strlen(valString)) -{ - uint32_t accum = 0; - for (size_t i=0; i<size(); i++) { - accum <<= 1; - if (valString[i]=='1') accum |= 0x01; - mStart[i] = accum; - } -} - - - - - -uint64_t BitVector::peekField(size_t readIndex, unsigned length) const -{ - uint64_t accum = 0; - char *dp = mStart + readIndex; - assert(dp+length <= mEnd); - for (unsigned i=0; i<length; i++) { - accum = (accum<<1) | ((*dp++) & 0x01); - } - return accum; -} - - -uint64_t BitVector::readField(size_t& readIndex, unsigned length) const -{ - const uint64_t retVal = peekField(readIndex,length); - readIndex += length; - return retVal; -} - - -void BitVector::fillField(size_t writeIndex, uint64_t value, unsigned length) -{ - char *dpBase = mStart + writeIndex; - char *dp = dpBase + length - 1; - assert(dp < mEnd); - while (dp>=dpBase) { - *dp-- = value & 0x01; - value >>= 1; - } -} - -void BitVector::writeField(size_t& writeIndex, uint64_t value, unsigned length) -{ - fillField(writeIndex,value,length); - writeIndex += length; -} - - -void BitVector::invert() -{ - for (size_t i=0; i<size(); i++) { - mStart[i] = ~mStart[i]; - } -} - - - - -void BitVector::reverse8() -{ - assert(size()>=8); - - char tmp0 = mStart[0]; - mStart[0] = mStart[7]; - mStart[7] = tmp0; - - char tmp1 = mStart[1]; - mStart[1] = mStart[6]; - mStart[6] = tmp1; - - char tmp2 = mStart[2]; - mStart[2] = mStart[5]; - mStart[5] = tmp2; - - char tmp3 = mStart[3]; - mStart[3] = mStart[4]; - mStart[4] = tmp3; -} - - - -void BitVector::LSB8MSB() -{ - size_t size8 = 8*(size()/8); - size_t iTop = size8 - 8; - for (size_t i=0; i<=iTop; i+=8) segment(i,8).reverse8(); -} - - - -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; - for (size_t i=0; i<size(); i++) sum += mStart[i] & 0x01; - return sum; -} - - - - -void BitVector::map(const unsigned *map, size_t mapSize, BitVector& dest) const -{ - for (unsigned i=0; i<mapSize; i++) { - dest.mStart[i] = mStart[map[i]]; - } -} - - - - -void BitVector::unmap(const unsigned *map, size_t mapSize, BitVector& dest) const -{ - for (unsigned i=0; i<mapSize; i++) { - dest.mStart[map[i]] = mStart[i]; - } -} - - - - - - - - - - -ostream& operator<<(ostream& os, const BitVector& hv) -{ - for (size_t i=0; i<hv.size(); i++) { - if (hv.bit(i)) os << '1'; - else os << '0'; - } - return os; -} - - - - -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; - } -} - - -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; - 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; - 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 correct. - 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 - const ViterbiR2O4::vCand &minCost = decoder.step(*ip, match, mismatch); - ip += step; - match += step; - mismatch += step; - // output - if (oCount>=deferral) *op++ = (minCost.iState >> deferral); - oCount++; - } - } -} - - - - -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"; - else os << "-"; - } - return os; -} - - - -void BitVector::pack(unsigned char* targ) const -{ - // Assumes MSB-first packing. - unsigned bytes = size()/8; - for (unsigned i=0; i<bytes; i++) { - targ[i] = peekField(i*8,8); - } - unsigned whole = bytes*8; - unsigned rem = size() - whole; - if (rem==0) return; - targ[bytes] = peekField(whole,rem) << (8-rem); -} - - -void BitVector::unpack(const unsigned char* src) -{ - // Assumes MSB-first packing. - unsigned bytes = size()/8; - for (unsigned i=0; i<bytes; i++) { - fillField(i*8,src[i],8); - } - unsigned whole = bytes*8; - unsigned rem = size() - whole; - if (rem==0) return; - fillField(whole,src[bytes],rem); -} - -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/BitVector.h b/src/lib/decoder/openbtsstuff/BitVector.h deleted file mode 100644 index 3019c2c..0000000 --- a/src/lib/decoder/openbtsstuff/BitVector.h +++ /dev/null @@ -1,427 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - -#ifndef FECVECTORS_H -#define FECVECTORS_H - -#include "Vector.h" -#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> { - - - public: - - /**@name Constructors. */ - //@{ - - /**@name Casts of Vector constructors. */ - //@{ - BitVector(char* wData, char* wStart, char* wEnd) - :Vector<char>(wData,wStart,wEnd) - { } - BitVector(size_t len=0):Vector<char>(len) {} - BitVector(const Vector<char>& source):Vector<char>(source) {} - BitVector(Vector<char>& source):Vector<char>(source) {} - BitVector(const Vector<char>& source1, const Vector<char> source2):Vector<char>(source1,source2) {} - //@} - - /** Construct from a string of "0" and "1". */ - BitVector(const char* valString); - //@} - - /** Index a single bit. */ - bool bit(size_t index) const - { - // We put this code in .h for fast inlining. - const char *dp = mStart+index; - assert(dp<mEnd); - return (*dp) & 0x01; - } - - /**@name Casts and overrides of Vector operators. */ - //@{ - BitVector segment(size_t start, size_t span) - { - char* wStart = mStart + start; - char* wEnd = wStart + span; - assert(wEnd<=mEnd); - return BitVector(NULL,wStart,wEnd); - } - - BitVector alias() - { return segment(0,size()); } - - const BitVector segment(size_t start, size_t span) const - { return (BitVector)(Vector<char>::segment(start,span)); } - - BitVector head(size_t span) { return segment(0,span); } - const BitVector head(size_t span) const { return segment(0,span); } - BitVector tail(size_t start) { return segment(start,size()-start); } - const BitVector tail(size_t start) const { return segment(start,size()-start); } - //@} - - - 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(); - - /**@name Byte-wise operations. */ - //@{ - /** Reverse an 8-bit vector. */ - void reverse8(); - /** Reverse groups of 8 within the vector (byte reversal). */ - void LSB8MSB(); - //@} - - /**@name Serialization and deserialization. */ - //@{ - uint64_t peekField(size_t readIndex, unsigned length) const; - uint64_t readField(size_t& readIndex, unsigned length) const; - void fillField(size_t writeIndex, uint64_t value, unsigned length); - void writeField(size_t& writeIndex, uint64_t value, unsigned length); - //@} - - /** Sum of bits. */ - unsigned sum() const; - - /** Reorder bits, dest[i] = this[map[i]]. */ - void map(const unsigned *map, size_t mapSize, BitVector& dest) const; - - /** Reorder bits, dest[map[i]] = this[i]. */ - void unmap(const unsigned *map, size_t mapSize, BitVector& dest) const; - - /** Pack into a char array. */ - void pack(unsigned char*) const; - - /** Unopack from a char array. */ - void unpack(const unsigned char*); - -}; - - - -std::ostream& operator<<(std::ostream&, const BitVector&); - - - - - - -/** - The SoftVector class is used to represent a soft-decision signal. - Values 0..1 represent probabilities that a bit is "true". - */ -class SoftVector: public Vector<float> { - - public: - - /** Build a SoftVector of a given length. */ - SoftVector(size_t wSize=0):Vector<float>(wSize) {} - - /** Construct a SoftVector from a C string of "0", "1", and "X". */ - SoftVector(const char* valString); - - /** Construct a SoftVector from a BitVector. */ - SoftVector(const BitVector& source); - - /** - Wrap a SoftVector around a block of floats. - The block will be delete[]ed upon desctuction. - */ - SoftVector(float *wData, unsigned length) - :Vector<float>(wData,length) - {} - - SoftVector(float* wData, float* wStart, float* wEnd) - :Vector<float>(wData,wStart,wEnd) - { } - - /** - Casting from a Vector<float>. - Note that this is NOT pass-by-reference. - */ - SoftVector(Vector<float> source) - :Vector<float>(source) - {} - - - /**@name Casts and overrides of Vector operators. */ - //@{ - SoftVector segment(size_t start, size_t span) - { - float* wStart = mStart + start; - float* wEnd = wStart + span; - assert(wEnd<=mEnd); - return SoftVector(NULL,wStart,wEnd); - } - - SoftVector alias() - { return segment(0,size()); } - - const SoftVector segment(size_t start, size_t span) const - { return (SoftVector)(Vector<float>::segment(start,span)); } - - SoftVector head(size_t span) { return segment(0,span); } - const SoftVector head(size_t span) const { return segment(0,span); } - SoftVector tail(size_t start) { return segment(start,size()-start); } - 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; - - /** Fill with "unknown" values. */ - void unknown() { fill(0.5F); } - - /** 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; - } - - /** Slice the whole signal into bits. */ - BitVector sliced() const; - -}; - - - -std::ostream& operator<<(std::ostream&, const SoftVector&); - - - - - - -#endif -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/GSM610Tables.cpp b/src/lib/decoder/openbtsstuff/GSM610Tables.cpp deleted file mode 100644 index 38f643f..0000000 --- a/src/lib/decoder/openbtsstuff/GSM610Tables.cpp +++ /dev/null @@ -1,492 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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 "GSM610Tables.h" - - -/* -RFC 3551 RTP A/V Profile July 2003 - - - Octet Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 - _____________________________________________________________________ - 0 1 1 0 1 LARc0.0 LARc0.1 LARc0.2 LARc0.3 - 1 LARc0.4 LARc0.5 LARc1.0 LARc1.1 LARc1.2 LARc1.3 LARc1.4 LARc1.5 - 2 LARc2.0 LARc2.1 LARc2.2 LARc2.3 LARc2.4 LARc3.0 LARc3.1 LARc3.2 - 3 LARc3.3 LARc3.4 LARc4.0 LARc4.1 LARc4.2 LARc4.3 LARc5.0 LARc5.1 - 4 LARc5.2 LARc5.3 LARc6.0 LARc6.1 LARc6.2 LARc7.0 LARc7.1 LARc7.2 - 5 Nc0.0 Nc0.1 Nc0.2 Nc0.3 Nc0.4 Nc0.5 Nc0.6 bc0.0 - 6 bc0.1 Mc0.0 Mc0.1 xmaxc00 xmaxc01 xmaxc02 xmaxc03 xmaxc04 - 7 xmaxc05 xmc0.0 xmc0.1 xmc0.2 xmc1.0 xmc1.1 xmc1.2 xmc2.0 - 8 xmc2.1 xmc2.2 xmc3.0 xmc3.1 xmc3.2 xmc4.0 xmc4.1 xmc4.2 - 9 xmc5.0 xmc5.1 xmc5.2 xmc6.0 xmc6.1 xmc6.2 xmc7.0 xmc7.1 - 10 xmc7.2 xmc8.0 xmc8.1 xmc8.2 xmc9.0 xmc9.1 xmc9.2 xmc10.0 - 11 xmc10.1 xmc10.2 xmc11.0 xmc11.1 xmc11.2 xmc12.0 xmc12.1 xcm12.2 - 12 Nc1.0 Nc1.1 Nc1.2 Nc1.3 Nc1.4 Nc1.5 Nc1.6 bc1.0 - 13 bc1.1 Mc1.0 Mc1.1 xmaxc10 xmaxc11 xmaxc12 xmaxc13 xmaxc14 - 14 xmax15 xmc13.0 xmc13.1 xmc13.2 xmc14.0 xmc14.1 xmc14.2 xmc15.0 - 15 xmc15.1 xmc15.2 xmc16.0 xmc16.1 xmc16.2 xmc17.0 xmc17.1 xmc17.2 - 16 xmc18.0 xmc18.1 xmc18.2 xmc19.0 xmc19.1 xmc19.2 xmc20.0 xmc20.1 - 17 xmc20.2 xmc21.0 xmc21.1 xmc21.2 xmc22.0 xmc22.1 xmc22.2 xmc23.0 - 18 xmc23.1 xmc23.2 xmc24.0 xmc24.1 xmc24.2 xmc25.0 xmc25.1 xmc25.2 - 19 Nc2.0 Nc2.1 Nc2.2 Nc2.3 Nc2.4 Nc2.5 Nc2.6 bc2.0 - 20 bc2.1 Mc2.0 Mc2.1 xmaxc20 xmaxc21 xmaxc22 xmaxc23 xmaxc24 - 21 xmaxc25 xmc26.0 xmc26.1 xmc26.2 xmc27.0 xmc27.1 xmc27.2 xmc28.0 - 22 xmc28.1 xmc28.2 xmc29.0 xmc29.1 xmc29.2 xmc30.0 xmc30.1 xmc30.2 - 23 xmc31.0 xmc31.1 xmc31.2 xmc32.0 xmc32.1 xmc32.2 xmc33.0 xmc33.1 - 24 xmc33.2 xmc34.0 xmc34.1 xmc34.2 xmc35.0 xmc35.1 xmc35.2 xmc36.0 - 25 Xmc36.1 xmc36.2 xmc37.0 xmc37.1 xmc37.2 xmc38.0 xmc38.1 xmc38.2 - 26 Nc3.0 Nc3.1 Nc3.2 Nc3.3 Nc3.4 Nc3.5 Nc3.6 bc3.0 - 27 bc3.1 Mc3.0 Mc3.1 xmaxc30 xmaxc31 xmaxc32 xmaxc33 xmaxc34 - 28 xmaxc35 xmc39.0 xmc39.1 xmc39.2 xmc40.0 xmc40.1 xmc40.2 xmc41.0 - 29 xmc41.1 xmc41.2 xmc42.0 xmc42.1 xmc42.2 xmc43.0 xmc43.1 xmc43.2 - 30 xmc44.0 xmc44.1 xmc44.2 xmc45.0 xmc45.1 xmc45.2 xmc46.0 xmc46.1 - 31 xmc46.2 xmc47.0 xmc47.1 xmc47.2 xmc48.0 xmc48.1 xmc48.2 xmc49.0 - 32 xmc49.1 xmc49.2 xmc50.0 xmc50.1 xmc50.2 xmc51.0 xmc51.1 xmc51.2 - - Table 3: GSM payload format -*/ - - -/* - This file encodes a mapping between - GSM 05.03 Table 2 and RFC-3551 Table 3. -*/ - -/* - Naming convention: - xxx_p position (bit index) - xxx_l length (bit field length) - LAR log area ratio - N LTP lag - b LTP gain - M grid - Xmax block amplitude - x RPE pulses -*/ - - -/**@name Lengths of GSM 06.10 fields */ -//@{ -const unsigned int LAR1_l=6; ///< log area ratio -const unsigned int LAR2_l=6; ///< log area ratio -const unsigned int LAR3_l=5; ///< log area ratio -const unsigned int LAR4_l=5; ///< log area ratio -const unsigned int LAR5_l=4; ///< log area ratio -const unsigned int LAR6_l=4; ///< log area ratio -const unsigned int LAR7_l=3; ///< log area ratio -const unsigned int LAR8_l=3; ///< log area ratio -const unsigned int N_l=7; ///< LTP lag -const unsigned int b_l=2; ///< LTP gain -const unsigned int M_l=2; ///< grid position -const unsigned int Xmax_l=6; ///< block amplitude -const unsigned int x_l=3; ///< RPE pulses -//@} - - - -/*@name Indecies of GSM 06.10 fields as they appear in RFC-3551 Table 3. */ -//@{ - -/**@name Log area ratios, apply to whole frame. */ -//@{ -const unsigned int LAR1_p = 0; -const unsigned int LAR2_p = LAR1_p + LAR1_l; -const unsigned int LAR3_p = LAR2_p + LAR2_l; -const unsigned int LAR4_p = LAR3_p + LAR3_l; -const unsigned int LAR5_p = LAR4_p + LAR4_l; -const unsigned int LAR6_p = LAR5_p + LAR5_l; -const unsigned int LAR7_p = LAR6_p + LAR6_l; -const unsigned int LAR8_p = LAR7_p + LAR7_l; -//@} -/**@name Subframe 1 */ -//@{ -const unsigned int N1_p = LAR8_p + LAR8_l; -const unsigned int b1_p = N1_p + N_l; -const unsigned int M1_p = b1_p + b_l; -const unsigned int Xmax1_p = M1_p + M_l; -const unsigned int x1_0_p = Xmax1_p + Xmax_l; -const unsigned int x1_1_p = x1_0_p + x_l; -const unsigned int x1_2_p = x1_1_p + x_l; -const unsigned int x1_3_p = x1_2_p + x_l; -const unsigned int x1_4_p = x1_3_p + x_l; -const unsigned int x1_5_p = x1_4_p + x_l; -const unsigned int x1_6_p = x1_5_p + x_l; -const unsigned int x1_7_p = x1_6_p + x_l; -const unsigned int x1_8_p = x1_7_p + x_l; -const unsigned int x1_9_p = x1_8_p + x_l; -const unsigned int x1_10_p = x1_9_p + x_l; -const unsigned int x1_11_p = x1_10_p + x_l; -const unsigned int x1_12_p = x1_11_p + x_l; -//@} -/**@name Subframe 2 */ -//@{ -const unsigned int N2_p = x1_12_p + x_l; -const unsigned int b2_p = N2_p + N_l; -const unsigned int M2_p = b2_p + b_l; -const unsigned int Xmax2_p = M2_p + M_l; -const unsigned int x2_0_p = Xmax2_p + Xmax_l; -const unsigned int x2_1_p = x2_0_p + x_l; -const unsigned int x2_2_p = x2_1_p + x_l; -const unsigned int x2_3_p = x2_2_p + x_l; -const unsigned int x2_4_p = x2_3_p + x_l; -const unsigned int x2_5_p = x2_4_p + x_l; -const unsigned int x2_6_p = x2_5_p + x_l; -const unsigned int x2_7_p = x2_6_p + x_l; -const unsigned int x2_8_p = x2_7_p + x_l; -const unsigned int x2_9_p = x2_8_p + x_l; -const unsigned int x2_10_p = x2_9_p + x_l; -const unsigned int x2_11_p = x2_10_p + x_l; -const unsigned int x2_12_p = x2_11_p + x_l; -//@} -/**@mame Subframe 3 */ -//@{ -const unsigned int N3_p = x2_12_p + x_l; -const unsigned int b3_p = N3_p + N_l; -const unsigned int M3_p = b3_p + b_l; -const unsigned int Xmax3_p = M3_p + M_l; -const unsigned int x3_0_p = Xmax3_p + Xmax_l; -const unsigned int x3_1_p = x3_0_p + x_l; -const unsigned int x3_2_p = x3_1_p + x_l; -const unsigned int x3_3_p = x3_2_p + x_l; -const unsigned int x3_4_p = x3_3_p + x_l; -const unsigned int x3_5_p = x3_4_p + x_l; -const unsigned int x3_6_p = x3_5_p + x_l; -const unsigned int x3_7_p = x3_6_p + x_l; -const unsigned int x3_8_p = x3_7_p + x_l; -const unsigned int x3_9_p = x3_8_p + x_l; -const unsigned int x3_10_p = x3_9_p + x_l; -const unsigned int x3_11_p = x3_10_p + x_l; -const unsigned int x3_12_p = x3_11_p + x_l; -//@} -/**@name Subframe 4 */ -//@{ -const unsigned int N4_p = x3_12_p + x_l; -const unsigned int b4_p = N4_p + N_l; -const unsigned int M4_p = b4_p + b_l; -const unsigned int Xmax4_p = M4_p + M_l; -const unsigned int x4_0_p = Xmax4_p + Xmax_l; -const unsigned int x4_1_p = x4_0_p + x_l; -const unsigned int x4_2_p = x4_1_p + x_l; -const unsigned int x4_3_p = x4_2_p + x_l; -const unsigned int x4_4_p = x4_3_p + x_l; -const unsigned int x4_5_p = x4_4_p + x_l; -const unsigned int x4_6_p = x4_5_p + x_l; -const unsigned int x4_7_p = x4_6_p + x_l; -const unsigned int x4_8_p = x4_7_p + x_l; -const unsigned int x4_9_p = x4_8_p + x_l; -const unsigned int x4_10_p = x4_9_p + x_l; -const unsigned int x4_11_p = x4_10_p + x_l; -const unsigned int x4_12_p = x4_11_p + x_l; -//@} -//@} - - -/* - This array encodes GSM 05.03 Table 2. - It's also GSM 06.10 Table A2.1a. - This is the order of bits as they appear in - the d[] bits of the GSM TCH/F. - RTP[4+g610BitOrder[i]] <=> GSM[i] -*/ -unsigned int GSM::g610BitOrder[260] = { -/**@name importance class 1 */ -//@{ -/** LAR1:5 */ LAR1_p+LAR1_l-1-5, /* bit 0 */ -/** Xmax1:5 */ Xmax1_p+Xmax_l-1-5, -/** Xmax2:5 */ Xmax2_p+Xmax_l-1-5, -/** Xmax3:5 */ Xmax3_p+Xmax_l-1-5, -/** Xmax4:5 */ Xmax4_p+Xmax_l-1-5, -//@} -/**@name importance class 2 */ -//@{ -/** LAR1:4 */ LAR1_p+LAR1_l-1-4, -/** LAR2:5 */ LAR2_p+LAR2_l-1-5, -/** LAR3:4 */ LAR3_p+LAR3_l-1-4, -//@} -/**@name importance class 3 */ -//@{ -/** LAR1:3 */ LAR1_p+LAR1_l-1-3, -/** LAR2:4 */ LAR2_p+LAR2_l-1-4, -/** LAR3:3 */ LAR3_p+LAR3_l-1-3, /* bit 10 */ -/** LAR4:4 */ LAR4_p+LAR4_l-1-4, -/** N1:6 */ N1_p+N_l-1-6, -/** N2:6 */ N2_p+N_l-1-6, -/** N3:6 */ N3_p+N_l-1-6, -/** N4:6 */ N4_p+N_l-1-6, -/** Xmax1:4 */ Xmax1_p+Xmax_l-1-4, -/** Xmax2:4 */ Xmax2_p+Xmax_l-1-4, -/** Xmax3:4 */ Xmax3_p+Xmax_l-1-4, -/** Xmax4:4 */ Xmax4_p+Xmax_l-1-4, -/** LAR2:3 */ LAR2_p+LAR2_l-1-3, /* bit 20 */ -/** LAR5:3 */ LAR5_p+LAR5_l-1-3, -/** LAR6:3 */ LAR6_p+LAR6_l-1-3, -/** N1:5 */ N1_p+N_l-1-5, -/** N2:5 */ N2_p+N_l-1-5, -/** N3:5 */ N3_p+N_l-1-5, -/** N4:5 */ N4_p+N_l-1-5, -/** N1:4 */ N1_p+N_l-1-4, -/** N2:4 */ N2_p+N_l-1-4, -/** N3:4 */ N3_p+N_l-1-4, -/** N4:4 */ N4_p+N_l-1-4, /* bit 30 */ -/** N1:3 */ N1_p+N_l-1-3, -/** N2:3 */ N2_p+N_l-1-3, -/** N3:3 */ N3_p+N_l-1-3, -/** N4:3 */ N4_p+N_l-1-3, -/** N1:2 */ N1_p+N_l-1-2, -/** N2:2 */ N2_p+N_l-1-2, -/** N3:2 */ N3_p+N_l-1-2, -/** N4:2 */ N4_p+N_l-1-2, -//@} -/**@name importance class 4 */ -//@{ -/** Xmax1:3 */ Xmax1_p+Xmax_l-1-3, -/** Xmax2:3 */ Xmax2_p+Xmax_l-1-3, /* bit 40 */ -/** Xmax3:3 */ Xmax3_p+Xmax_l-1-3, -/** Xmax4:3 */ Xmax4_p+Xmax_l-1-3, -/** LAR1:2 */ LAR1_p+LAR1_l-1-2, -/** LAR4:3 */ LAR4_p+LAR4_l-1-3, -/** LAR7:2 */ LAR7_p+LAR7_l-1-2, -/** N1:1 */ N1_p+N_l-1-1, -/** N2:1 */ N2_p+N_l-1-1, -/** N3:1 */ N3_p+N_l-1-1, -/** N4:1 */ N4_p+N_l-1-1, -/** LAR5:2 */ LAR5_p+LAR5_l-1-2, /* bit 50 */ -/** LAR6:2 */ LAR6_p+LAR6_l-1-2, -/** b1:1 */ b1_p+b_l-1-1, -/** b2:1 */ b2_p+b_l-1-1, -/** b3:1 */ b3_p+b_l-1-1, -/** b4:1 */ b4_p+b_l-1-1, -/** N1:0 */ N1_p+N_l-1-0, -/** N2:0 */ N2_p+N_l-1-0, -/** N3:0 */ N3_p+N_l-1-0, -/** N4:0 */ N4_p+N_l-1-0, -/** M1:1 */ M1_p+M_l-1-1, /* bit 60 */ -/** M2:1 */ M2_p+M_l-1-1, -/** M3:1 */ M3_p+M_l-1-1, -/** M4:1 */ M4_p+M_l-1-1, -//@} -/**@name importance class 5 */ -//@{ -/** LAR1:1 */ LAR1_p+LAR1_l-1-1, -/** LAR2:2 */ LAR2_p+LAR2_l-1-2, -/** LAR3:2 */ LAR3_p+LAR3_l-1-2, -/** LAR8:2 */ LAR8_p+LAR8_l-1-2, -/** LAR4:2 */ LAR4_p+LAR4_l-1-2, -/** LAR5:1 */ LAR5_p+LAR5_l-1-1, -/** LAR7:1 */ LAR7_p+LAR7_l-1-1, /* bit 70 */ -/** b1:0 */ b1_p+b_l-1-0, -/** b2:0 */ b2_p+b_l-1-0, -/** b3:0 */ b3_p+b_l-1-0, -/** b4:0 */ b4_p+b_l-1-0, -/** Xmax1:2 */ Xmax1_p+Xmax_l-1-2, -/** Xmax2:2 */ Xmax2_p+Xmax_l-1-2, -/** Xmax3:2 */ Xmax3_p+Xmax_l-1-2, -/** Xmax4:2 */ Xmax4_p+Xmax_l-1-2, -/** x1_0:2 */ x1_0_p+x_l-1-2, -/** x1_1:2 */ x1_1_p+x_l-1-2, /* bit 80 */ -/** x1_2:2 */ x1_2_p+x_l-1-2, -/** x1_3:2 */ x1_3_p+x_l-1-2, -/** x1_4:2 */ x1_4_p+x_l-1-2, -/** x1_5:2 */ x1_5_p+x_l-1-2, -/** x1_6:2 */ x1_6_p+x_l-1-2, -/** x1_7:2 */ x1_7_p+x_l-1-2, -/** x1_8:2 */ x1_8_p+x_l-1-2, -/** x1_9:2 */ x1_9_p+x_l-1-2, -/** x1_10:2 */ x1_10_p+x_l-1-2, -/** x1_11:2 */ x1_11_p+x_l-1-2, /* bit 90 */ -/** x1_12:2 */ x1_12_p+x_l-1-2, -/** x2_0:2 */ x2_0_p+x_l-1-2, -/** x2_1:2 */ x2_1_p+x_l-1-2, -/** x2_2:2 */ x2_2_p+x_l-1-2, -/** x2_3:2 */ x2_3_p+x_l-1-2, -/** x2_4:2 */ x2_4_p+x_l-1-2, -/** x2_5:2 */ x2_5_p+x_l-1-2, -/** x2_6:2 */ x2_6_p+x_l-1-2, -/** x2_7:2 */ x2_7_p+x_l-1-2, -/** x2_8:2 */ x2_8_p+x_l-1-2, /* bit 100 */ -/** x2_9:2 */ x2_9_p+x_l-1-2, -/** x2_10:2 */ x2_10_p+x_l-1-2, -/** x2_11:2 */ x2_11_p+x_l-1-2, -/** x2_12:2 */ x2_12_p+x_l-1-2, -/** x3_0:2 */ x3_0_p+x_l-1-2, -/** x3_1:2 */ x3_1_p+x_l-1-2, -/** x3_2:2 */ x3_2_p+x_l-1-2, -/** x3_3:2 */ x3_3_p+x_l-1-2, -/** x3_4:2 */ x3_4_p+x_l-1-2, -/** x3_5:2 */ x3_5_p+x_l-1-2, /* bit 110 */ -/** x3_6:2 */ x3_6_p+x_l-1-2, -/** x3_7:2 */ x3_7_p+x_l-1-2, -/** x3_8:2 */ x3_8_p+x_l-1-2, -/** x3_9:2 */ x3_9_p+x_l-1-2, -/** x3_10:2 */ x3_10_p+x_l-1-2, -/** x3_11:2 */ x3_11_p+x_l-1-2, -/** x3_12:2 */ x3_12_p+x_l-1-2, -/** x4_0:2 */ x4_0_p+x_l-1-2, -/** x4_1:2 */ x4_1_p+x_l-1-2, -/** x4_2:2 */ x4_2_p+x_l-1-2, /* bit 120 */ -/** x4_3:2 */ x4_3_p+x_l-1-2, -/** x4_4:2 */ x4_4_p+x_l-1-2, -/** x4_5:2 */ x4_5_p+x_l-1-2, -/** x4_6:2 */ x4_6_p+x_l-1-2, -/** x4_7:2 */ x4_7_p+x_l-1-2, -/** x4_8:2 */ x4_8_p+x_l-1-2, -/** x4_9:2 */ x4_9_p+x_l-1-2, -/** x4_10:2 */ x4_10_p+x_l-1-2, -/** x4_11:2 */ x4_11_p+x_l-1-2, -/** x4_12:2 */ x4_12_p+x_l-1-2, /* bit 130 */ -/** M1:0 */ M1_p+M_l-1-0, -/** M2:0 */ M2_p+M_l-1-0, -/** M3:0 */ M3_p+M_l-1-0, -/** M4:0 */ M4_p+M_l-1-0, -/** Xmax1:1 */ Xmax1_p+Xmax_l-1-1, -/** Xmax2:1 */ Xmax2_p+Xmax_l-1-1, -/** Xmax3:1 */ Xmax3_p+Xmax_l-1-1, -/** Xmax4:1 */ Xmax4_p+Xmax_l-1-1, -/** x1_0:1 */ x1_0_p+x_l-1-1, -/** x1_1:1 */ x1_1_p+x_l-1-1, /* bit 140 */ -/** x1_2:1 */ x1_2_p+x_l-1-1, -/** x1_3:1 */ x1_3_p+x_l-1-1, -/** x1_4:1 */ x1_4_p+x_l-1-1, -/** x1_5:1 */ x1_5_p+x_l-1-1, -/** x1_6:1 */ x1_6_p+x_l-1-1, -/** x1_7:1 */ x1_7_p+x_l-1-1, -/** x1_8:1 */ x1_8_p+x_l-1-1, -/** x1_9:1 */ x1_9_p+x_l-1-1, -/** x1_10:1 */ x1_10_p+x_l-1-1, -/** x1_11:1 */ x1_11_p+x_l-1-1, /* bit 150 */ -/** x1_12:1 */ x1_12_p+x_l-1-1, -/** x2_0:1 */ x2_0_p+x_l-1-1, -/** x2_1:1 */ x2_1_p+x_l-1-1, -/** x2_2:1 */ x2_2_p+x_l-1-1, -/** x2_3:1 */ x2_3_p+x_l-1-1, -/** x2_4:1 */ x2_4_p+x_l-1-1, -/** x2_5:1 */ x2_5_p+x_l-1-1, -/** x2_6:1 */ x2_6_p+x_l-1-1, -/** x2_7:1 */ x2_7_p+x_l-1-1, -/** x2_8:1 */ x2_8_p+x_l-1-1, /* bit 160 */ -/** x2_9:1 */ x2_9_p+x_l-1-1, -/** x2_10:1 */ x2_10_p+x_l-1-1, -/** x2_11:1 */ x2_11_p+x_l-1-1, -/** x2_12:1 */ x2_12_p+x_l-1-1, -/** x3_0:1 */ x3_0_p+x_l-1-1, -/** x3_1:1 */ x3_1_p+x_l-1-1, -/** x3_2:1 */ x3_2_p+x_l-1-1, -/** x3_3:1 */ x3_3_p+x_l-1-1, -/** x3_4:1 */ x3_4_p+x_l-1-1, -/** x3_5:1 */ x3_5_p+x_l-1-1, /* bit 170 */ -/** x3_6:1 */ x3_6_p+x_l-1-1, -/** x3_7:1 */ x3_7_p+x_l-1-1, -/** x3_8:1 */ x3_8_p+x_l-1-1, -/** x3_9:1 */ x3_9_p+x_l-1-1, -/** x3_10:1 */ x3_10_p+x_l-1-1, -/** x3_11:1 */ x3_11_p+x_l-1-1, -/** x3_12:1 */ x3_12_p+x_l-1-1, -/** x4_0:1 */ x4_0_p+x_l-1-1, -/** x4_1:1 */ x4_1_p+x_l-1-1, -/** x4_2:1 */ x4_2_p+x_l-1-1, /* bit 180 */ -/** x4_3:1 */ x4_3_p+x_l-1-1, -//@} -/**@name importance class 6 */ -//@{ -/** x4_4:1 */ x4_4_p+x_l-1-1, -/** x4_5:1 */ x4_5_p+x_l-1-1, -/** x4_6:1 */ x4_6_p+x_l-1-1, -/** x4_7:1 */ x4_7_p+x_l-1-1, -/** x4_8:1 */ x4_8_p+x_l-1-1, -/** x4_9:1 */ x4_9_p+x_l-1-1, -/** x4_10:1 */ x4_10_p+x_l-1-1, -/** x4_11:1 */ x4_11_p+x_l-1-1, -/** x4_12:1 */ x4_12_p+x_l-1-1, /* bit 190 */ -/** LAR1:0 */ LAR1_p+LAR1_l-1-0, -/** LAR2:1 */ LAR2_p+LAR2_l-1-1, -/** LAR3:1 */ LAR3_p+LAR3_l-1-1, -/** LAR6:1 */ LAR6_p+LAR6_l-1-1, -/** LAR7:0 */ LAR7_p+LAR7_l-1-0, -/** LAR8:1 */ LAR8_p+LAR8_l-1-1, -/** LAR8:0 */ LAR8_p+LAR8_l-1-0, -/** LAR3:0 */ LAR3_p+LAR3_l-1-0, -/** LAR4:1 */ LAR4_p+LAR4_l-1-1, -/** LAR4:0 */ LAR4_p+LAR4_l-1-0, -/** LAR5:0 */ LAR5_p+LAR5_l-1-0, -/** Xmax1:0 */ Xmax1_p+Xmax_l-1-0, -/** Xmax2:0 */ Xmax2_p+Xmax_l-1-0, -/** Xmax3:0 */ Xmax3_p+Xmax_l-1-0, -/** Xmax4:0 */ Xmax4_p+Xmax_l-1-0, -/** x1_0:0 */ x1_0_p+x_l-1-0, -/** x1_1:0 */ x1_1_p+x_l-1-0, -/** x1_2:0 */ x1_2_p+x_l-1-0, -/** x1_3:0 */ x1_3_p+x_l-1-0, -/** x1_4:0 */ x1_4_p+x_l-1-0, -/** x1_5:0 */ x1_5_p+x_l-1-0, -/** x1_6:0 */ x1_6_p+x_l-1-0, -/** x1_7:0 */ x1_7_p+x_l-1-0, -/** x1_8:0 */ x1_8_p+x_l-1-0, -/** x1_9:0 */ x1_9_p+x_l-1-0, -/** x1_10:0 */ x1_10_p+x_l-1-0, -/** x1_11:0 */ x1_11_p+x_l-1-0, -/** x1_12:0 */ x1_12_p+x_l-1-0, -/** x2_0:0 */ x2_0_p+x_l-1-0, -/** x2_1:0 */ x2_1_p+x_l-1-0, -/** x2_2:0 */ x2_2_p+x_l-1-0, -/** x2_3:0 */ x2_3_p+x_l-1-0, -/** x2_4:0 */ x2_4_p+x_l-1-0, -/** x2_5:0 */ x2_5_p+x_l-1-0, -/** x2_6:0 */ x2_6_p+x_l-1-0, -/** x2_7:0 */ x2_7_p+x_l-1-0, -/** x2_8:0 */ x2_8_p+x_l-1-0, -/** x2_9:0 */ x2_9_p+x_l-1-0, -/** x2_10:0 */ x2_10_p+x_l-1-0, -/** x2_11:0 */ x2_11_p+x_l-1-0, -/** x2_12:0 */ x2_12_p+x_l-1-0, -/** x3_0:0 */ x3_0_p+x_l-1-0, -/** x3_1:0 */ x3_1_p+x_l-1-0, -/** x3_2:0 */ x3_2_p+x_l-1-0, -/** x3_3:0 */ x3_3_p+x_l-1-0, -/** x3_4:0 */ x3_4_p+x_l-1-0, -/** x3_5:0 */ x3_5_p+x_l-1-0, -/** x3_6:0 */ x3_6_p+x_l-1-0, -/** x3_7:0 */ x3_7_p+x_l-1-0, -/** x3_8:0 */ x3_8_p+x_l-1-0, -/** x3_9:0 */ x3_9_p+x_l-1-0, -/** x3_10:0 */ x3_10_p+x_l-1-0, -/** x3_11:0 */ x3_11_p+x_l-1-0, -/** x3_12:0 */ x3_12_p+x_l-1-0, -/** x4_0:0 */ x4_0_p+x_l-1-0, -/** x4_1:0 */ x4_1_p+x_l-1-0, -/** x4_2:0 */ x4_2_p+x_l-1-0, -/** x4_3:0 */ x4_3_p+x_l-1-0, -/** x4_4:0 */ x4_4_p+x_l-1-0, -/** x4_5:0 */ x4_5_p+x_l-1-0, -/** x4_6:0 */ x4_6_p+x_l-1-0, -/** x4_7:0 */ x4_7_p+x_l-1-0, -/** x4_8:0 */ x4_8_p+x_l-1-0, -/** x4_9:0 */ x4_9_p+x_l-1-0, -/** x4_10:0 */ x4_10_p+x_l-1-0, -/** x4_11:0 */ x4_11_p+x_l-1-0, -/** x4_12:0 */ x4_12_p+x_l-1-0, -/** LAR2:0 */ LAR2_p+LAR2_l-1-0, -/** LAR6:0 */ LAR6_p+LAR6_l-1-0 -//@} -}; - diff --git a/src/lib/decoder/openbtsstuff/GSM610Tables.h b/src/lib/decoder/openbtsstuff/GSM610Tables.h deleted file mode 100644 index 53a8e1c..0000000 --- a/src/lib/decoder/openbtsstuff/GSM610Tables.h +++ /dev/null @@ -1,37 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - - -#ifndef GSM610TABLES_H -#define GSM610TABLES_H - - - -namespace GSM { - -/** Table #2 from GSM 05.03 */ -extern unsigned int g610BitOrder[260]; - -} - - -#endif diff --git a/src/lib/decoder/openbtsstuff/GSMCommon.cpp b/src/lib/decoder/openbtsstuff/GSMCommon.cpp deleted file mode 100644 index 0bec812..0000000 --- a/src/lib/decoder/openbtsstuff/GSMCommon.cpp +++ /dev/null @@ -1,315 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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 "GSMCommon.h" - -using namespace GSM; -using namespace std; - - -ostream& GSM::operator<<(ostream& os, L3PD val) -{ - switch (val) { - case L3CallControlPD: os << "Call Control"; break; - case L3MobilityManagementPD: os << "Mobility Management"; break; - case L3RadioResourcePD: os << "Radio Resource"; break; - default: os << hex << "0x" << (int)val << dec; - } - return os; -} - - -const BitVector GSM::gTrainingSequence[] = { - BitVector("00100101110000100010010111"), - BitVector("00101101110111100010110111"), - BitVector("01000011101110100100001110"), - BitVector("01000111101101000100011110"), - BitVector("00011010111001000001101011"), - BitVector("01001110101100000100111010"), - BitVector("10100111110110001010011111"), - BitVector("11101111000100101110111100"), -}; - -const BitVector GSM::gDummyBurst("0001111101101110110000010100100111000001001000100000001111100011100010111000101110001010111010010100011001100111001111010011111000100101111101010000"); - -const BitVector GSM::gRACHSynchSequence("01001011011111111001100110101010001111000"); - - - -char encodeGSMChar(char ascii) -{ - // Given an ASCII char, return the corresponding GSM char. - static char reverseTable[256]={0}; - static bool init = false; - if (!init) { - for (size_t i=0; i<sizeof(gGSMAlphabet); i++) { - reverseTable[(unsigned)gGSMAlphabet[i]]=i; - } - init=true; - } - return reverseTable[(unsigned)ascii]; -} - - -char encodeBCDChar(char ascii) -{ - // Given an ASCII char, return the corresponding BCD. - if ((ascii>='0') && (ascii<='9')) return ascii-'0'; - switch (ascii) { - case '.': return 11; - case '*': return 11; - case '#': return 12; - case 'a': return 13; - case 'b': return 14; - case 'c': return 15; - default: return 15; - } -} - - - - -unsigned GSM::uplinkFreqKHz(GSMBand band, unsigned ARFCN) -{ - switch (band) { - case GSM850: - assert((ARFCN<252)&&(ARFCN>129)); - return 824200+200*(ARFCN-128); - case EGSM900: - if (ARFCN<=124) return 890000+200*ARFCN; - assert((ARFCN>974)&&(ARFCN<1024)); - return 890000+200*(ARFCN-1024); - case DCS1800: - assert((ARFCN>511)&&(ARFCN<886)); - return 1710200+200*(ARFCN-512); - case PCS1900: - assert((ARFCN>511)&&(ARFCN<811)); - return 1850200+200*(ARFCN-512); - default: - abort(); - } -} - - -unsigned GSM::downlinkFreqKHz(GSMBand band, unsigned ARFCN) -{ - static unsigned uplinkOffset[] = { - 45000, // 850 - 45000, // 900 - 95000, // 1800 - 80000 // 1900 - }; - return uplinkFreqKHz(band,ARFCN) + uplinkOffset[band]; -} - - - - -int32_t GSM::FNDelta(int32_t v1, int32_t v2) -{ - static const int64_t halfModulus = gHyperframe/2; - int32_t delta = v1-v2; - if (delta>halfModulus) delta -= gHyperframe; - else if (delta<-halfModulus) delta += gHyperframe; - return (int32_t) delta; -} - -int GSM::FNCompare(int32_t v1, int32_t v2) -{ - int32_t delta = FNDelta(v1,v2); - if (delta==0) return 0; - else if (delta>0) return 1; - else return -1; -} - - - - -ostream& GSM::operator<<(ostream& os, const Time& t) -{ - os << t.TN() << ":" << t.FN(); - return os; -} - - - - -void Clock::set(const Time& when) -{ - mLock.lock(); - mBaseTime = Timeval(0); - mBaseFN = when.FN(); - mLock.unlock(); -} - - -int32_t Clock::FN() const -{ - mLock.lock(); - Timeval now; - int deltaSec = now.sec() - mBaseTime.sec(); - int deltaUSec = now.usec() - mBaseTime.usec(); - int elapsedUSec = 1000000*deltaSec + deltaUSec; - int elapsedFrames = elapsedUSec / gFrameMicroseconds; - int32_t currentFN = (mBaseFN + elapsedFrames) % gHyperframe; - mLock.unlock(); - return currentFN; -} - - -void Clock::wait(const Time& when) const -{ - int32_t now = FN(); - int32_t target = when.FN(); - int32_t delta = FNDelta(target,now); - if (delta<1) return; - const int32_t maxSleep = 51*26; - if (delta>maxSleep) delta=maxSleep; - sleepFrames(delta); -} - - - - - - - -ostream& GSM::operator<<(ostream& os, TypeOfNumber type) -{ - switch (type) { - case UnknownTypeOfNumber: os << "unknown"; break; - case InternationalNumber: os << "international"; break; - case NationalNumber: os << "national"; break; - case NetworkSpecificNumber: os << "network-specific"; break; - case ShortCodeNumber: os << "short code"; break; - default: os << "?" << type << "?"; - } - return os; -} - - -ostream& GSM::operator<<(ostream& os, NumberingPlan plan) -{ - switch (plan) { - case UnknownPlan: os << "unknown"; break; - case E164Plan: os << "E.164/ISDN"; break; - case X121Plan: os << "X.121/data"; break; - case F69Plan: os << "F.69/Telex"; break; - case NationalPlan: os << "national"; break; - case PrivatePlan: os << "private"; break; - default: os << "?" << (int)plan << "?"; - } - return os; -} - -ostream& GSM::operator<<(ostream& os, MobileIDType wID) -{ - switch (wID) { - case NoIDType: os << "None"; break; - case IMSIType: os << "IMSI"; break; - case IMEIType: os << "IMEI"; break; - case TMSIType: os << "TMSI"; break; - case IMEISVType: os << "IMEISV"; break; - default: os << "?" << (int)wID << "?"; - } - return os; -} - - -ostream& GSM::operator<<(ostream& os, TypeAndOffset tao) -{ - switch (tao) { - case TDMA_MISC: os << "(misc)"; break; - case TCHF_0: os << "TCH/F"; break; - case TCHH_0: os << "TCH/H-0"; break; - case TCHH_1: os << "TCH/H-1"; break; - case SDCCH_4_0: os << "SDCCH/4-0"; break; - case SDCCH_4_1: os << "SDCCH/4-1"; break; - case SDCCH_4_2: os << "SDCCH/4-2"; break; - case SDCCH_4_3: os << "SDCCH/4-3"; break; - case SDCCH_8_0: os << "SDCCH/8-0"; break; - case SDCCH_8_1: os << "SDCCH/8-1"; break; - case SDCCH_8_2: os << "SDCCH/8-2"; break; - case SDCCH_8_3: os << "SDCCH/8-3"; break; - case SDCCH_8_4: os << "SDCCH/8-4"; break; - case SDCCH_8_5: os << "SDCCH/8-5"; break; - case SDCCH_8_6: os << "SDCCH/8-6"; break; - case SDCCH_8_7: os << "SDCCH/8-7"; break; - case TDMA_BEACON: os << "(beacon)"; break; - default: os << "?" << (int)tao << "?"; - } - return os; -} - -ostream& GSM::operator<<(ostream& os, ChannelType val) -{ - switch (val) { - case UndefinedCHType: os << "undefined"; return os; - case SCHType: os << "SCH"; break; - case FCCHType: os << "FCCH"; break; - case BCCHType: os << "BCCH"; break; - case RACHType: os << "RACH"; break; - case SDCCHType: os << "SDCCH"; break; - case FACCHType: os << "FACCH"; break; - case CCCHType: os << "CCCH"; break; - case SACCHType: os << "SACCH"; break; - case TCHFType: os << "TCH/F"; break; - case TCHHType: os << "TCH/H"; break; - case AnyTCHType: os << "any TCH"; break; - case LoopbackFullType: os << "Loopback Full"; break; - case LoopbackHalfType: os << "Loopback Half"; break; - case AnyDCCHType: os << "any DCCH"; break; - default: os << "?" << (int)val << "?"; - } - return os; -} - - - - -bool Z100Timer::expired() const -{ - // A non-active timer does not expire. - if (!mActive) return false; - return mEndTime.passed(); -} - -void Z100Timer::set() -{ - mEndTime = Timeval(mLimitTime); - mActive=true; -} - -long Z100Timer::remaining() const -{ - if (!mActive) return 0; - long rem = mEndTime.remaining(); - if (rem<0) rem=0; - return rem; -} - -void Z100Timer::wait() const -{ - while (!expired()) msleep(remaining()); -} - -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/GSMCommon.h b/src/lib/decoder/openbtsstuff/GSMCommon.h deleted file mode 100644 index 9dc1c95..0000000 --- a/src/lib/decoder/openbtsstuff/GSMCommon.h +++ /dev/null @@ -1,537 +0,0 @@ -/**@file Common-use GSM declarations, most from the GSM 04.xx and 05.xx series. */ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - - -#ifndef GSMCOMMON_H -#define GSMCOMMON_H - -#include <stdlib.h> -#include <sys/time.h> -#include <ostream> -#include <vector> - -#include <Threads.h> -#include <Timeval.h> -#include <BitVector.h> - - - - -namespace GSM { - -/**@namespace GSM This namespace covers L1 FEC, L2 and L3 message translation. */ - - -/* forward references */ -class L1FEC; -class L2LAPDm; -class L3Processor; -class LogicalChannel; -class L2Header; - - -/** A base class for GSM exceptions. */ -class GSMError {}; - -/** Duration ofa GSM frame, in microseconds. */ -const unsigned gFrameMicroseconds = 4615; - - -/** Sleep for a given number of GSM frame periods. */ -inline void sleepFrames(unsigned frames) - { usleep(frames*gFrameMicroseconds); } - -/** Sleep for 1 GSM frame period. */ -inline void sleepFrame() - { usleep(gFrameMicroseconds); } - - - -/** GSM Training sequences from GSM 05.02 5.2.3. */ -extern const BitVector gTrainingSequence[]; - -/** C0T0 filler burst, GSM 05.02, 5.2.6 */ -extern const BitVector gDummyBurst; - -/** Random access burst synch. sequence */ -extern const BitVector gRACHSynchSequence; - - -/**@name Support for GSM 7-bit alphabet, GSM 03.38 6.2.1. */ -//@{ -/** Indexed by GSM 7-bit, returns ASCII. */ -static const char gGSMAlphabet[] = "@\243$\245\350\351\371\354\362\347\n\330\370\r\305\345D_FGLOPCSTZ \306\346\337\311 !\"#\244%&\'()*+,-./0123456789:;<=>?\241ABCDEFGHIJKLMNOPQRSTUVWXYZ\304\326\321\334\247\277abcdefghijklmnopqrstuvwxyz\344\366\361\374\341"; -char encodeGSMChar(char ascii); -inline char decodeGSMChar(char sms) { return gGSMAlphabet[(unsigned)sms]; } -//@} - - -/**@name BCD-ASCII mapping, GMS 04.08 Table 10.5.118. */ -//@{ -/** Indexed by BCD, returns ASCII. */ -static const char gBCDAlphabet[] = "0123456789.#abc"; -char encodeBCDChar(char ascii); -inline char decodeBCDChar(char bcd) { return gBCDAlphabet[(unsigned)bcd]; } -//@} - - -/**@name Globally-fixed GSM timeout values (all in ms). */ -//@{ -/**@name GSM LAPDm timeouts, GSM 04.06 5.8, ITU-T Q.921 5.9 */ -//@{ -const unsigned T200ms = 900; ///< LAPDm ACK timeout, set for typical turnaround time -//@} -/**@name GSM timeouts for radio resource management, GSM 04.08 11.1. */ -//@{ -const unsigned T3101ms = 4000; ///< L1 timeout for SDCCH assignment -const unsigned T3107ms = 3000; ///< L1 timeout for TCH/FACCH assignment -const unsigned T3109ms = 10000; ///< L1 timeout for an existing channel -const unsigned T3111ms = 2*T200ms; ///< L1 timeout for reassignment of a channel -const unsigned T3113ms = 10000; ///< timeout for paging response -const unsigned T3122ms = 2000; ///< RR access holdoff time (GSM 04.08 3.3.1.1.3.2) -//@} -/**@name GSM timeouts for mobility management, GSM 04.08 11.2. */ -//@{ -const unsigned T3212ms = 8*360000; ///< location updating period (in 6-min increments, 0-255) -//const unsigned T3212ms = 0; ///< location updating period (in 6-min increments, 0-255), 0 disables -//@} -//@} - - - - -/** GSM 04.08 Table 10.5.118 */ -enum TypeOfNumber { - UnknownTypeOfNumber = 0, - InternationalNumber = 1, - NationalNumber = 2, - NetworkSpecificNumber = 3, - ShortCodeNumber = 4 -}; - -std::ostream& operator<<(std::ostream&, TypeOfNumber); - - -/** GSM 04.08 Table 10.5.118 */ -enum NumberingPlan { - UnknownPlan = 0, - E164Plan = 1, - X121Plan = 3, - F69Plan = 4, - NationalPlan = 8, - PrivatePlan = 9 -}; - -std::ostream& operator<<(std::ostream&, NumberingPlan); - - - -/** Codes for GSM band types, GSM 05.05 2. */ -enum GSMBand { - GSM850=0, ///< US cellular - EGSM900, ///< extended GSM - DCS1800, ///< worldwide DCS band - PCS1900 ///< US PCS band -}; - - -/**@name Actual radio carrier frequencies, in kHz, GSM 05.05 2 */ -//@{ -unsigned uplinkFreqKHz(GSMBand wBand, unsigned wARFCN); -unsigned downlinkFreqKHz(GSMBand wBand, unsigned wARFCN); -//@} - - - -/**@name GSM Logical channel (LCH) types. */ -//@{ -/** Codes for logical channel types. */ -enum ChannelType { - ///@name Non-dedicated control channels. - //@{ - SCHType, ///< sync - FCCHType, ///< frequency correction - BCCHType, ///< broadcast control - CCCHType, ///< common control, a combination of several sub-types - RACHType, ///< random access - SACCHType, ///< slow associated control (acutally dedicated, but...) - //@} - ///@name Dedicated control channels (DCCHs). - //@{ - SDCCHType, ///< standalone dedicated control - FACCHType, ///< fast associated control - //@} - ///@name Traffic channels - //@{ - TCHFType, ///< full-rate traffic - TCHHType, ///< half-rate traffic - AnyTCHType, ///< any TCH type - //@} - ///@name Special internal channel types. - //@{ - LoopbackFullType, ///< loopback testing - LoopbackHalfType, ///< loopback testing - AnyDCCHType, ///< any dedicated control channel - UndefinedCHType, ///< undefined - //@} -}; - - -/** Print channel type name to a stream. */ -std::ostream& operator<<(std::ostream& os, ChannelType val); - - -//@} - - - -/** Mobile identity types, GSM 04.08 10.5.1.4 */ -enum MobileIDType { - NoIDType = 0, - IMSIType = 1, - IMEIType = 2, - IMEISVType = 3, - TMSIType = 4 -}; - -std::ostream& operator<<(std::ostream& os, MobileIDType); - - -/** Type and TDMA offset of a logical channel, from GSM 04.08 10.5.2.5 */ -enum TypeAndOffset { - TDMA_MISC=0, - TCHF_0=1, - TCHH_0=2, TCHH_1=3, - SDCCH_4_0=4, SDCCH_4_1=5, SDCCH_4_2=6, SDCCH_4_3=7, - SDCCH_8_0=8, SDCCH_8_1=9, SDCCH_8_2=10, SDCCH_8_3=11, - SDCCH_8_4=12, SDCCH_8_5=13, SDCCH_8_6=14, SDCCH_8_7=15, - /// An extra one for our internal use. - TDMA_BEACON=255 -}; - -std::ostream& operator<<(std::ostream& os, TypeAndOffset); - - - - - - - - -/** - L3 Protocol Discriminator, GSM 04.08 10.2, GSM 04.07 11.2.3.1.1. -*/ -enum L3PD { - L3GroupCallControlPD=0x00, - L3BroadcastCallControlPD=0x01, - L3PDSS1PD=0x02, - L3CallControlPD=0x03, - L3PDSS2PD=0x04, - L3MobilityManagementPD=0x05, - L3RadioResourcePD=0x06, - L3MobilityManagementGPRSPD=0x08, - L3SMSPD=0x09, - L3GPRSSessionManagementPD=0x0a, - L3NonCallSSPD=0x0b, - L3LocationPD=0x0c, - L3ExtendedPD=0x0e, - L3TestProcedurePD=0x0f, - L3UndefinedPD=-1 -}; - - - -std::ostream& operator<<(std::ostream& os, L3PD val); - - - - -/**@name Modulus operations for frame numbers. */ -//@{ -/** The GSM hyperframe is largest time period in the GSM system, GSM 05.02 4.3.3. */ -const int32_t gHyperframe = 2048UL * 26UL * 51UL; - -/** Get a clock difference, within the modulus. */ -int32_t FNDelta(int32_t v1, int32_t v2); - -/** - Compare two frame clock values. - @return 1 if v1>v2, -1 if v1<v2, 0 if v1==v2 -*/ -int FNCompare(int32_t v1, int32_t v2); - - -//@} - - - - -/** - GSM frame clock value. - No internal thread sync. -*/ -class Time { - - private: - - int mFN; ///< frame number in the hyperframe - unsigned mTN; ///< timeslot number - - public: - - Time(int wFN=0, unsigned wTN=0) - :mFN(wFN),mTN(wTN) - { } - - - /** Move the time forward to a given position in a given modulus. */ - void rollForward(unsigned wFN, unsigned modulus) - { while ((mFN % modulus) != wFN) mFN++; } - - /**@name Accessors. */ - //@{ - int FN() const { return mFN; } - void FN(unsigned wFN) { mFN = wFN; } - unsigned TN() const { return mTN; } - void TN(unsigned wTN) { mTN=wTN; } - //@} - - /**@name Arithmetic. */ - //@{ - - Time& operator++() - { - mFN = (mFN+1) % gHyperframe; - return *this; - } - - Time& decTN(int step=1) - { - if ((int)mTN<step) mFN = *this - Time(1,0); - if (mTN-step < 0) mTN = (mTN-step+8) % 8; - else mTN = (mTN-step) % 8; - return *this; - } - - Time& incTN(int step=1) - { - mFN = mFN + (mTN + step)/8; - mTN = (mTN+step) % 8; - return *this; - } - - Time& operator+=(int step) - { - mFN = (mFN+step) % gHyperframe; - return *this; - } - - Time operator+(int step) const - { - Time newVal = *this; - newVal += step; - return newVal; - } - - Time operator-(int step) const - { - return operator+(-step); - } - - Time operator+(const Time& other) const - { - unsigned newTN = (mTN + other.mTN) % 8; - uint64_t newFN = (mFN+other.mFN + (mTN + other.mTN)/8) % gHyperframe; - return Time(newFN,newTN); - } - - int operator-(const Time& other) const - { - return FNDelta(mFN,other.mFN); - } - - //@} - - - /**@name Comparisons. */ - //@{ - - bool operator<(const Time& other) const - { - if (mFN==other.mFN) return (mTN<other.mTN); - return FNCompare(mFN,other.mFN)<0; - } - - bool operator>(const Time& other) const - { - if (mFN==other.mFN) return (mTN>other.mTN); - return FNCompare(mFN,other.mFN)>0; - } - - bool operator<=(const Time& other) const - { - if (mFN==other.mFN) return (mTN<=other.mTN); - return FNCompare(mFN,other.mFN)<=0; - } - - bool operator>=(const Time& other) const - { - if (mFN==other.mFN) return (mTN>=other.mTN); - return FNCompare(mFN,other.mFN)>=0; - } - - bool operator==(const Time& other) const - { - return (mFN == other.mFN) && (mTN==other.mTN); - } - - //@} - - - - /**@name Standard derivations. */ - //@{ - - unsigned SFN() const { return mFN / (26*51); } - - unsigned T1() const { return SFN() % 2048; } - - unsigned T2() const { return mFN % 26; } - - unsigned T3() const { return mFN % 51; } - - /** GSM 05.02 3.3.2.2.1. */ - unsigned T3p() const { return (T3()-1)/10; } - - /** GSM 05.02 6.3.1.3. */ - unsigned TC() const { return (FN()/51) % 8; } - - /** GSM 04.08 10.5.2.30. */ - unsigned T1p() const { return SFN() % 32; } - - /** GSM 05.02 6.2.3 */ - unsigned T1R() const { return T1() % 64; } - - //@} -}; - - -std::ostream& operator<<(std::ostream& os, const Time& ts); - - - - - - -/** - A class for calculating the current GSM frame number. -*/ -class Clock { - - private: - - mutable Mutex mLock; - int32_t mBaseFN; - Timeval mBaseTime; - - public: - - Clock(const Time& when = Time(0)) - :mBaseFN(when.FN()) - {} - - /** Set the clock to a value. */ - void set(const Time&); - - /** Read the clock. */ - int32_t FN() const; - - /** Read the clock. */ - Time get() const { return Time(FN()); } - - /** Block until the clock passes a given time. */ - void wait(const Time&) const; -}; - - - - - - - - -/** - CCITT Z.100 activity timer, as described in GSM 04.06 5.1. - All times are in milliseconds. -*/ -class Z100Timer { - - private: - - Timeval mEndTime; ///< the time at which this timer will expire - long mLimitTime; ///< timeout in milliseconds - bool mActive; ///< true if timer is active - - public: - - /** Create a timer with a given timeout in milliseconds. */ - Z100Timer(long wLimitTime) - :mLimitTime(wLimitTime), - mActive(false) - {} - - /** True if the timer is active and expired. */ - bool expired() const; - - /** Start or restart the timer. */ - void set(); - - /** Stop the timer. */ - void reset() { mActive = false; } - - /** Returns true if the timer is active. */ - bool active() const { return mActive; } - - /** - Remaining time until expiration, in milliseconds. - Returns zero if the timer has expired. - */ - long remaining() const; - - /** - Block until the timer expires. - Returns immediately if the timer is not running. - */ - void wait() const; -}; - - - - - -}; // namespace GSM - - -#endif - -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/GSML1FEC.cpp b/src/lib/decoder/openbtsstuff/GSML1FEC.cpp deleted file mode 100644 index 1c99a0f..0000000 --- a/src/lib/decoder/openbtsstuff/GSML1FEC.cpp +++ /dev/null @@ -1,256 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - -#define NDEBUG - - -#include "GSML1FEC.h" -#include "GSMCommon.h" -#include "RxBurst.h" -//#include "GSMSAPMux.h" -//#include "GSMConfig.h" -#include "GSMTDMA.h" -#include "GSM610Tables.h" -#include "Assert.h" - - -using namespace std; -using namespace GSM; - -/* - Compilation flags: - NOCONTROL Compile without referencing control layer functions. -*/ - - -/* - - Notes on reading the GSM specifications. - - Every FEC section in GSM 05.03 uses standard names for the bits at - different stages of the encoding/decoding process. - - This is all described formally in GSM 05.03 2.2. - - "d" -- data bits. The actual payloads from L2 and the vocoders. - "p" -- parity bits. These are calculated from d. - "u" -- uncoded bits. A concatenation of d, p and inner tail bits. - "c" -- coded bits. These are the convolutionally encoded from u. - "i" -- interleaved bits. These are the output of the interleaver. - "e" -- "encrypted" bits. These are the channel bits in the radio bursts. - - The "e" bits are call "encrypted" even when encryption is not used. - - The encoding process is: - - L2 -> d -> -> calc p -> u -> c -> i -> e -> radio bursts - - The decoding process is: - - radio bursts -> e -> i -> c -> u -> check p -> d -> L2 - - Bit ordering in d is LSB-first in each octet. - Bit ordering everywhere else in the OpenBTS code is MSB-first - in every field to give contiguous fields across byte boundaries. - We use the BitVector::LSB8MSB() method to translate. - -*/ - -TCHFACCHL1Decoder::TCHFACCHL1Decoder(const TDMAMapping& wMapping) - : mTCHU(189), mTCHD(260), mC(456), - mClass1_c(mC.head(378)), mClass1A_d(mTCHD.head(50)), mClass2_c(mC.segment(378, 78)), - mTCHParity(0x0b, 3, 50), mMapping(wMapping) -{ - for (int i = 0; i < 8; i++) { - mI[i] = SoftVector(114); - } -} - - -void TCHFACCHL1Decoder::writeLowSide(const RxBurst& inBurst) -{ - OBJDCOUT("TCHFACCHL1Decoder::writeLowSide " << inBurst); - // If the channel is closed, ignore the burst. -// if (!active()) { -// OBJDCOUT("TCHFACCHL1Decoder::writeLowSide not active, ignoring input"); -// return; -// } - processBurst(inBurst); -} - -bool TCHFACCHL1Decoder::processBurst( const RxBurst& inBurst) -{ - // Accept the burst into the deinterleaving buffer. - // Return true if we are ready to interleave. - - // TODO -- One quick test of burst validity is to look at the tail bits. - // We could do that as a double-check against putting garbage into - // the interleaver or accepting bad parameters. - - // Get the physical parameters of the burst. - // RSSI is dB wrt full scale. -// mRSSI = inBurst.RSSI(); - // Timing error is a float in symbol intervals. -// mTimingError = inBurst.timingError(); - // This flag is used as a half-ass semaphore. - // It is cleared when the new value is read. -// mPhyNew = true; - - // The reverse index runs 0..3 as the bursts arrive. - // It is the "B" index of GSM 05.03 3.1.3 and 3.1.4. - int B = mMapping.reverseMapping(inBurst.time().FN()) % 8; - // A negative value means that the demux is misconfigured. - assert(B >= 0); - OBJDCOUT("TCHFACCHL1Decoder::processBurst B=" << B << " " << inBurst); - - // Pull the data fields (e-bits) out of the burst and put them into i[B][]. - // GSM 05.03 3.1.4 - inBurst.data1().copyToSegment(mI[B], 0); - inBurst.data2().copyToSegment(mI[B], 57); - - // Every 4th frame is the start of a new block. - // So if this isn't a "4th" frame, return now. - if (B % 4 != 3) return false; - - // Deinterleave according to the diagonal "phase" of B. - // See GSM 05.03 3.1.3. - // Deinterleaves i[] to c[] - if (B == 3) deinterleave(4); - else deinterleave(0); - - // See if this was the end of a stolen frame, GSM 05.03 4.2.5. - bool stolen = inBurst.Hl(); - OBJDCOUT("TCHFACCHL!Decoder::processBurst Hl=" << inBurst.Hl() << " Hu=" << inBurst.Hu()); - /* if (stolen) { - if (decode()) { - OBJDCOUT("TCHFACCHL1Decoder::processBurst good FACCH frame"); - countGoodFrame(); - handleGoodFrame(); - } else { - OBJDCOUT("TCHFACCHL1Decoder::processBurst bad FACCH frame"); - countBadFrame(); - } - }*/ - - // Always feed the traffic channel, even on a stolen frame. - // decodeTCH will handle the GSM 06.11 bad frmae processing. - bool traffic = decodeTCH(stolen); -// if (traffic) { - OBJDCOUT("TCHFACCHL1Decoder::processBurst good TCH frame"); -// countGoodFrame(); - // Don't let the channel timeout. - // mLock.lock(); - // mT3109.set(); - // mLock.unlock(); -// } -// else countBadFrame(); - - return traffic; -} - -void TCHFACCHL1Decoder::deinterleave(int blockOffset ) -{ - OBJDCOUT("TCHFACCHL1Decoder::deinterleave blockOffset=" << blockOffset); - for (int k = 0; k < 456; k++) { - int B = ( k + blockOffset ) % 8; - int j = 2 * ((49 * k) % 57) + ((k % 8) / 4); - mC[k] = mI[B][j]; - mI[B][j] = 0.5F; - //OBJDCOUT("deinterleave k="<<k<<" B="<<B<<" j="<<j); - } -} - -bool TCHFACCHL1Decoder::decodeTCH(bool stolen) -{ - // GSM 05.02 3.1.2, but backwards - - // If the frame wasn't stolen, we'll update this with parity later. - bool good = !stolen; - - // Good or bad, we will be sending *something* to the speech channel. - // Allocate it in this scope. - unsigned char * newFrame = new unsigned char[33]; - - if (!stolen) { - - // 3.1.2.2 - // decode from c[] to u[] - mClass1_c.decode(mVCoder, mTCHU); - //mC.head(378).decode(mVCoder,mTCHU); - - // 3.1.2.2 - // copy class 2 bits c[] to d[] - mClass2_c.sliced().copyToSegment(mTCHD, 182); - //mC.segment(378,78).sliced().copyToSegment(mTCHD,182); - - // 3.1.2.1 - // copy class 1 bits u[] to d[] - for (unsigned k = 0; k <= 90; k++) { - mTCHD[2*k] = mTCHU[k]; - mTCHD[2*k+1] = mTCHU[184-k]; - } - - // 3.1.2.1 - // check parity of class 1A - unsigned sentParity = (~mTCHU.peekField(91, 3)) & 0x07; - //unsigned calcParity = mTCHD.head(50).parity(mTCHParity) & 0x07; - unsigned calcParity = mClass1A_d.parity(mTCHParity) & 0x07; - - // 3.1.2.2 - // Check the tail bits, too. - unsigned tail = mTCHU.peekField(185, 4); - - OBJDCOUT("TCHFACCHL1Decoder::decodeTCH c[]=" << mC); - //OBJDCOUT("TCHFACCHL1Decoder::decodeTCH u[]=" << mTCHU); - OBJDCOUT("TCHFACCHL1Decoder::decodeTCH d[]=" << mTCHD); - OBJDCOUT("TCHFACCHL1Decoder::decodeTCH sentParity=" << sentParity - << " calcParity=" << calcParity << " tail=" << tail); - good = (sentParity == calcParity) && (tail == 0); - if (good) { - // Undo Um's importance-sorted bit ordering. - // See GSM 05.03 3.1 and Tablee 2. - BitVector payload = mVFrame.payload(); - mTCHD.unmap(g610BitOrder, 260, payload); - mVFrame.pack(newFrame); - // Save a copy for bad frame processing. - memcpy(mPrevGoodFrame, newFrame, 33); - return true; - } - } - - if (!good) { - // TODO -- Bad frame processing, GSM 06.11. - // For now, just repeat the last good frame. - // TODO -- Need to apply attenuation and randomization of grid positions. - memcpy(newFrame, mPrevGoodFrame, 33); - //d_gsm_file.write((char *)newFrame, 33); - } - - - // Good or bad, we must feed the speech channel. -// mSpeechQ.write(newFrame); - - - return false; -} - -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/GSML1FEC.h b/src/lib/decoder/openbtsstuff/GSML1FEC.h deleted file mode 100644 index c367681..0000000 --- a/src/lib/decoder/openbtsstuff/GSML1FEC.h +++ /dev/null @@ -1,146 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* -* 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 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 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/>. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING file in the main directory for details. -*/ - - - -#ifndef GSML1FEC_H -#define GSML1FEC_H - -//#include "Threads.h" -#include "Assert.h" -#include "BitVector.h" - -#include "GSMCommon.h" -//#include "GSMTransfer.h" -#include "GSMTDMA.h" -#include "VocoderFrame.h" -#include "RxBurst.h" -//#include "GSM610Tables.h" -#include <stdio.h> - - - -namespace GSM -{ - - -//class SAPMux; - class L1FEC; - class L1Decoder; - - - - /* - Naming convention for bit vectors follows GSM 05.03 Section 2.2. - d[k] data - u[k] data bits after first encoding step - c[k] data bits after second encoding step - i[B][k] interleaved data bits - e[B][k] bits in a burst - */ - - - - - /** L1 decoder used for full rate TCH and FACCH -- mostly from GSM 05.03 3.1 and 4.2 */ -//: public XCCHL1Decoder - class TCHFACCHL1Decoder - { - - protected: - SoftVector mI[8]; ///< deinterleaving history, 8 blocks instead of 4 - SoftVector mC; ///< c[], as per GSM 05.03 2.2 - BitVector mTCHU; ///< u[] (uncoded) in the spec - BitVector mTCHD; ///< d[] (data) in the spec - SoftVector mClass1_c; ///< the class 1 part of c[] - BitVector mClass1A_d; ///< the class 1A part of d[] - SoftVector mClass2_c; ///< the class 2 part of c[] - ViterbiR2O4 mVCoder; - - VocoderFrame mVFrame; ///< unpacking buffer for vocoder frame - unsigned char mPrevGoodFrame[33]; ///< previous good frame. - - Parity mTCHParity; - const TDMAMapping& mMapping; ///< multiplexing description - -// InterthreadQueue<unsigned char> mSpeechQ; ///< output queue for speech frames - - static const unsigned mMaxQSize = 3; - - - public: - - TCHFACCHL1Decoder( const TDMAMapping& wMapping ); - - ChannelType channelType() const { - return FACCHType; - } - - - /** TCH/FACCH has a special-case writeLowSide. */ - void writeLowSide(const RxBurst& inBurst); - - /** - Unlike other DCCHs, TCH/FACCH process burst calls - deinterleave, decode, handleGoodFrame. - */ - bool processBurst( const RxBurst& ); - - /** Deinterleave i[] to c[]. */ - void deinterleave(int blockOffset ); - - void replaceFACCH( int blockOffset ); - - /** - Decode a traffic frame from TCHI[] and enqueue it. - Return true if there's a good frame. - */ - bool decodeTCH(bool stolen); - - unsigned char * get_voice_frame(){ - return mPrevGoodFrame; - } - /** - Receive a traffic frame. - Non-blocking. Returns NULL if queue is dry. - Caller is responsible for deleting the returned array. - */ -// unsigned char *recvTCH() { return mSpeechQ.read(0); } - - /** Return count of internally-queued traffic frames. */ -// unsigned queueSize() const { return mSpeechQ.size(); } - - }; - - - - - - -}; // namespace GSM - - - - - -#endif - -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/GSMTDMA.cpp b/src/lib/decoder/openbtsstuff/GSMTDMA.cpp deleted file mode 100644 index 27ebe0e..0000000 --- a/src/lib/decoder/openbtsstuff/GSMTDMA.cpp +++ /dev/null @@ -1,337 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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 "GSMTDMA.h" - - -using namespace GSM; - - - - -TDMAMapping::TDMAMapping(TypeAndOffset - wTypeAndOffset, bool wDownlink, bool wUplink, char wAllowedSlots, bool wC0Only, - unsigned wRepeatLength, unsigned wNumFrames, const unsigned *wFrameMapping) - :mTypeAndOffset(wTypeAndOffset), - mDownlink(wDownlink),mUplink(wUplink),mAllowedSlots(wAllowedSlots),mC0Only(wC0Only), - mRepeatLength(wRepeatLength),mNumFrames(wNumFrames),mFrameMapping(wFrameMapping) -{ - // Sanity check. - assert(mRepeatLength<=mMaxRepeatLength); - - // Default, -1, means a non-occupied position. - for (unsigned i=0; i<mMaxRepeatLength; i++) mReverseMapping[i]=-1; - - // Fill in the reverse map, precomputed for speed. - for (unsigned i=0; i<mNumFrames; i++) { - unsigned mapping = mFrameMapping[i]; - assert(mapping<mRepeatLength); - mReverseMapping[mapping] = i; - } -} - - - - - -/** A macro to save some typing when we set up TDMA maps. */ -#define MAKE_TDMA_MAPPING(NAME,TYPEANDOFFSET,DOWNLINK,UPLINK,ALLOWEDSLOTS,C0ONLY,REPEAT) \ - const TDMAMapping GSM::g##NAME##Mapping(TYPEANDOFFSET,DOWNLINK,UPLINK,ALLOWEDSLOTS,C0ONLY, \ - REPEAT,sizeof(NAME##Frames)/sizeof(unsigned),NAME##Frames) - -const unsigned LoopbackTestFullFrames[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47}; -MAKE_TDMA_MAPPING(LoopbackTestFull,TDMA_MISC,true,true,0xff,false,51); - -const unsigned FCCHFrames[] = {0,10,20,30,40}; -MAKE_TDMA_MAPPING(FCCH,TDMA_BEACON,true,false,0x01,true,51); - -const unsigned SCHFrames[] = {1,11,21,31,41}; -MAKE_TDMA_MAPPING(SCH,TDMA_BEACON,true,false,0x01,true,51); - -const unsigned BCCHFrames[] = {2,3,4,5}; -MAKE_TDMA_MAPPING(BCCH,TDMA_BEACON,true,false,0x55,true,51); - -// Note that we removed frames for the SDCCH components of the Combination-V C0T0. -const unsigned RACHC5Frames[] = {4,5,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,45,46}; -MAKE_TDMA_MAPPING(RACHC5,TDMA_BEACON,false,true,0x55,true,51); - -// CCCH 0-2 are used in C-IV and C-V. The others are used in C-IV only. - -const unsigned CCCH_0Frames[] = {6,7,8,9}; -MAKE_TDMA_MAPPING(CCCH_0,TDMA_BEACON,true,false,0x55,true,51); - -const unsigned CCCH_1Frames[] = {12,13,14,15}; -MAKE_TDMA_MAPPING(CCCH_1,TDMA_BEACON,true,false,0x55,true,51); - -const unsigned CCCH_2Frames[] = {16,17,18,19}; -MAKE_TDMA_MAPPING(CCCH_2,TDMA_BEACON,true,false,0x55,true,51); - -const unsigned CCCH_3Frames[] = {22,23,24,25}; -MAKE_TDMA_MAPPING(CCCH_3,TDMA_BEACON,true,false,0x55,true,51); - -// TODO -- Other CCCH subchannels 4-8 for support of C-IV. - -const unsigned SDCCH_4_0DFrames[] = {22,23,24,25}; -MAKE_TDMA_MAPPING(SDCCH_4_0D,SDCCH_4_0,true,false,0x01,true,51); - -const unsigned SDCCH_4_0UFrames[] = {37,38,39,40}; -MAKE_TDMA_MAPPING(SDCCH_4_0U,SDCCH_4_0,false,true,0x01,true,51); - -const unsigned SDCCH_4_1DFrames[] = {26,27,28,29}; -MAKE_TDMA_MAPPING(SDCCH_4_1D,SDCCH_4_1,true,false,0x01,true,51); - -const unsigned SDCCH_4_1UFrames[] = {41,42,43,44}; -MAKE_TDMA_MAPPING(SDCCH_4_1U,SDCCH_4_1,false,true,0x01,true,51); - -const unsigned SDCCH_4_2DFrames[] = {32,33,34,35}; -MAKE_TDMA_MAPPING(SDCCH_4_2D,SDCCH_4_2,true,false,0x01,true,51); - -const unsigned SDCCH_4_2UFrames[] = {47,48,49,50}; -MAKE_TDMA_MAPPING(SDCCH_4_2U,SDCCH_4_2,false,true,0x01,true,51); - -const unsigned SDCCH_4_3DFrames[] = {36,37,38,39}; -MAKE_TDMA_MAPPING(SDCCH_4_3D,SDCCH_4_3,true,false,0x01,true,51); - -const unsigned SDCCH_4_3UFrames[] = {0,1,2,3}; -MAKE_TDMA_MAPPING(SDCCH_4_3U,SDCCH_4_3,false,true,0x01,true,51); - - -const unsigned SACCH_C4_0DFrames[] = {42,43,44,45}; -MAKE_TDMA_MAPPING(SACCH_C4_0D,SDCCH_4_0,true,false,0x01,true,102); - -const unsigned SACCH_C4_0UFrames[] = {57,58,59,60}; -MAKE_TDMA_MAPPING(SACCH_C4_0U,SDCCH_4_0,false,true,0x01,true,102); - -const unsigned SACCH_C4_1DFrames[] = {46,47,48,49}; -MAKE_TDMA_MAPPING(SACCH_C4_1D,SDCCH_4_1,true,false,0x01,true,102); - -const unsigned SACCH_C4_1UFrames[] = {61,62,63,64}; -MAKE_TDMA_MAPPING(SACCH_C4_1U,SDCCH_4_1,false,true,0x01,true,102); - -const unsigned SACCH_C4_2DFrames[] = {93,94,95,96}; -MAKE_TDMA_MAPPING(SACCH_C4_2D,SDCCH_4_2,true,false,0x01,true,102); - -const unsigned SACCH_C4_2UFrames[] = {6,7,8,9}; -MAKE_TDMA_MAPPING(SACCH_C4_2U,SDCCH_4_2,false,true,0x01,true,102); - -const unsigned SACCH_C4_3DFrames[] = {97,98,99,100}; -MAKE_TDMA_MAPPING(SACCH_C4_3D,SDCCH_4_3,true,false,0x01,true,102); - -const unsigned SACCH_C4_3UFrames[] = {10,11,12,13}; -MAKE_TDMA_MAPPING(SACCH_C4_3U,SDCCH_4_3,false,true,0x01,true,102); - - -const unsigned SDCCH_8_0DFrames[] = {0,1,2,3}; -MAKE_TDMA_MAPPING(SDCCH_8_0D,SDCCH_8_0,true,false,0xFF,true,51); - -const unsigned SDCCH_8_0UFrames[] = {15,16,17,18}; -MAKE_TDMA_MAPPING(SDCCH_8_0U,SDCCH_8_0,false,true,0xFF,true,51); - -const unsigned SDCCH_8_1DFrames[] = {4,5,6,7}; -MAKE_TDMA_MAPPING(SDCCH_8_1D,SDCCH_8_1,true,false,0xFF,true,51); - -const unsigned SDCCH_8_1UFrames[] = {19,20,21,22}; -MAKE_TDMA_MAPPING(SDCCH_8_1U,SDCCH_8_1,false,true,0xFF,true,51); - -const unsigned SDCCH_8_2DFrames[] = {8,9,10,11}; -MAKE_TDMA_MAPPING(SDCCH_8_2D,SDCCH_8_2,true,false,0xFF,true,51); - -const unsigned SDCCH_8_2UFrames[] = {23,24,25,26}; -MAKE_TDMA_MAPPING(SDCCH_8_2U,SDCCH_8_2,false,true,0xFF,true,51); - -const unsigned SDCCH_8_3DFrames[] = {12,13,14,15}; -MAKE_TDMA_MAPPING(SDCCH_8_3D,SDCCH_8_3,true,false,0xFF,true,51); - -const unsigned SDCCH_8_3UFrames[] = {27,28,29,30}; -MAKE_TDMA_MAPPING(SDCCH_8_3U,SDCCH_8_3,false,true,0xFF,true,51); - -const unsigned SDCCH_8_4DFrames[] = {16,17,18,19}; -MAKE_TDMA_MAPPING(SDCCH_8_4D,SDCCH_8_4,true,false,0xFF,true,51); - -const unsigned SDCCH_8_4UFrames[] = {31,32,33,34}; -MAKE_TDMA_MAPPING(SDCCH_8_4U,SDCCH_8_4,false,true,0xFF,true,51); - -const unsigned SDCCH_8_5DFrames[] = {20,21,22,23}; -MAKE_TDMA_MAPPING(SDCCH_8_5D,SDCCH_8_5,true,false,0xFF,true,51); - -const unsigned SDCCH_8_5UFrames[] = {35,36,37,38}; -MAKE_TDMA_MAPPING(SDCCH_8_5U,SDCCH_8_5,false,true,0xFF,true,51); - -const unsigned SDCCH_8_6DFrames[] = {24,25,26,27}; -MAKE_TDMA_MAPPING(SDCCH_8_6D,SDCCH_8_6,true,false,0xFF,true,51); - -const unsigned SDCCH_8_6UFrames[] = {39,40,41,42}; -MAKE_TDMA_MAPPING(SDCCH_8_6U,SDCCH_8_6,false,true,0xFF,true,51); - -const unsigned SDCCH_8_7DFrames[] = {28,29,30,31}; -MAKE_TDMA_MAPPING(SDCCH_8_7D,SDCCH_8_7,true,false,0xFF,true,51); - -const unsigned SDCCH_8_7UFrames[] = {43,44,45,46}; -MAKE_TDMA_MAPPING(SDCCH_8_7U,SDCCH_8_7,false,true,0xFF,true,51); - - -const unsigned SACCH_C8_0DFrames[] = {32,33,34,35}; -MAKE_TDMA_MAPPING(SACCH_C8_0D,SDCCH_8_0,true,false,0xFF,true,102); - -const unsigned SACCH_C8_0UFrames[] = {47,48,49,50}; -MAKE_TDMA_MAPPING(SACCH_C8_0U,SDCCH_8_0,false,true,0xFF,true,102); - -const unsigned SACCH_C8_1DFrames[] = {36,37,38,39}; -MAKE_TDMA_MAPPING(SACCH_C8_1D,SDCCH_8_1,true,false,0xFF,true,102); - -const unsigned SACCH_C8_1UFrames[] = {51,52,53,54}; -MAKE_TDMA_MAPPING(SACCH_C8_1U,SDCCH_8_1,false,true,0xFF,true,102); - -const unsigned SACCH_C8_2DFrames[] = {40,41,42,43}; -MAKE_TDMA_MAPPING(SACCH_C8_2D,SDCCH_8_2,true,false,0xFF,true,102); - -const unsigned SACCH_C8_2UFrames[] = {55,56,57,58}; -MAKE_TDMA_MAPPING(SACCH_C8_2U,SDCCH_8_2,false,true,0xFF,true,102); - -const unsigned SACCH_C8_3DFrames[] = {44,45,46,47}; -MAKE_TDMA_MAPPING(SACCH_C8_3D,SDCCH_8_3,true,false,0xFF,true,102); - -const unsigned SACCH_C8_3UFrames[] = {59,60,61,62}; -MAKE_TDMA_MAPPING(SACCH_C8_3U,SDCCH_8_3,false,true,0xFF,true,102); - -const unsigned SACCH_C8_4DFrames[] = {82,84,85,86}; -MAKE_TDMA_MAPPING(SACCH_C8_4D,SDCCH_8_4,true,false,0xFF,true,102); - -const unsigned SACCH_C8_4UFrames[] = {98,99,100,101}; -MAKE_TDMA_MAPPING(SACCH_C8_4U,SDCCH_8_4,false,true,0xFF,true,102); - -const unsigned SACCH_C8_5DFrames[] = {87,88,89,90}; -MAKE_TDMA_MAPPING(SACCH_C8_5D,SDCCH_8_5,true,false,0xFF,true,102); - -const unsigned SACCH_C8_5UFrames[] = {0,1,2,3}; -MAKE_TDMA_MAPPING(SACCH_C8_5U,SDCCH_8_5,false,true,0xFF,true,102); - -const unsigned SACCH_C8_6DFrames[] = {91,92,93,94}; -MAKE_TDMA_MAPPING(SACCH_C8_6D,SDCCH_8_6,true,false,0xFF,true,102); - -const unsigned SACCH_C8_6UFrames[] = {4,5,6,7}; -MAKE_TDMA_MAPPING(SACCH_C8_6U,SDCCH_8_6,false,true,0xFF,true,102); - -const unsigned SACCH_C8_7DFrames[] = {95,96,97,98}; -MAKE_TDMA_MAPPING(SACCH_C8_7D,SDCCH_8_7,true,false,0xFF,true,102); - -const unsigned SACCH_C8_7UFrames[] = {8,9,10,11}; -MAKE_TDMA_MAPPING(SACCH_C8_7U,SDCCH_8_7,false,true,0xFF,true,102); - - - -const unsigned SACCH_TF_T0Frames[] = {12,38,64,90}; -MAKE_TDMA_MAPPING(SACCH_TF_T0,TCHF_0,true,true,0x01,true,104); - -const unsigned SACCH_TF_T1Frames[] = {25,51,77,103}; -MAKE_TDMA_MAPPING(SACCH_TF_T1,TCHF_0,true,true,0x02,true,104); - -const unsigned SACCH_TF_T2Frames[] = {38,64,90,12}; -MAKE_TDMA_MAPPING(SACCH_TF_T2,TCHF_0,true,true,0x04,true,104); - -const unsigned SACCH_TF_T3Frames[] = {51,77,103,25}; -MAKE_TDMA_MAPPING(SACCH_TF_T3,TCHF_0,true,true,0x08,true,104); - -const unsigned SACCH_TF_T4Frames[] = {64,90,12,38}; -MAKE_TDMA_MAPPING(SACCH_TF_T4,TCHF_0,true,true,0x10,true,104); - -const unsigned SACCH_TF_T5Frames[] = {77,103,25,51}; -MAKE_TDMA_MAPPING(SACCH_TF_T5,TCHF_0,true,true,0x20,true,104); - -const unsigned SACCH_TF_T6Frames[] = {90,12,38,64}; -MAKE_TDMA_MAPPING(SACCH_TF_T6,TCHF_0,true,true,0x40,true,104); - -const unsigned SACCH_TF_T7Frames[] = {103,25,51,77}; -MAKE_TDMA_MAPPING(SACCH_TF_T7,TCHF_0,true,true,0x80,true,104); - -const unsigned FACCH_TCHFFrames[] = {0,1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,21,22,23,24}; -MAKE_TDMA_MAPPING(FACCH_TCHF,TCHF_0,true,true,0xff,true,26); - - - - - - - -const MappingPair GSM::gSDCCH_4_0Pair(gSDCCH_4_0DMapping,gSDCCH_4_0UMapping); -const MappingPair GSM::gSDCCH_4_1Pair(gSDCCH_4_1DMapping,gSDCCH_4_1UMapping); -const MappingPair GSM::gSDCCH_4_2Pair(gSDCCH_4_2DMapping,gSDCCH_4_2UMapping); -const MappingPair GSM::gSDCCH_4_3Pair(gSDCCH_4_3DMapping,gSDCCH_4_3UMapping); -const MappingPair GSM::gSDCCH_8_0Pair(gSDCCH_8_0DMapping,gSDCCH_8_0UMapping); -const MappingPair GSM::gSDCCH_8_1Pair(gSDCCH_8_1DMapping,gSDCCH_8_1UMapping); -const MappingPair GSM::gSDCCH_8_2Pair(gSDCCH_8_2DMapping,gSDCCH_8_2UMapping); -const MappingPair GSM::gSDCCH_8_3Pair(gSDCCH_8_3DMapping,gSDCCH_8_3UMapping); -const MappingPair GSM::gSDCCH_8_4Pair(gSDCCH_8_4DMapping,gSDCCH_8_4UMapping); -const MappingPair GSM::gSDCCH_8_5Pair(gSDCCH_8_5DMapping,gSDCCH_8_5UMapping); -const MappingPair GSM::gSDCCH_8_6Pair(gSDCCH_8_6DMapping,gSDCCH_8_6UMapping); -const MappingPair GSM::gSDCCH_8_7Pair(gSDCCH_8_7DMapping,gSDCCH_8_7UMapping); - -const MappingPair GSM::gSACCH_C4_0Pair(gSACCH_C4_0DMapping,gSACCH_C4_0UMapping); -const MappingPair GSM::gSACCH_C4_1Pair(gSACCH_C4_1DMapping,gSACCH_C4_1UMapping); -const MappingPair GSM::gSACCH_C4_2Pair(gSACCH_C4_2DMapping,gSACCH_C4_2UMapping); -const MappingPair GSM::gSACCH_C4_3Pair(gSACCH_C4_3DMapping,gSACCH_C4_3UMapping); -const MappingPair GSM::gSACCH_C8_0Pair(gSACCH_C8_0DMapping,gSACCH_C8_0UMapping); -const MappingPair GSM::gSACCH_C8_1Pair(gSACCH_C8_1DMapping,gSACCH_C8_1UMapping); -const MappingPair GSM::gSACCH_C8_2Pair(gSACCH_C8_2DMapping,gSACCH_C8_2UMapping); -const MappingPair GSM::gSACCH_C8_3Pair(gSACCH_C8_3DMapping,gSACCH_C8_3UMapping); -const MappingPair GSM::gSACCH_C8_4Pair(gSACCH_C8_4DMapping,gSACCH_C8_4UMapping); -const MappingPair GSM::gSACCH_C8_5Pair(gSACCH_C8_5DMapping,gSACCH_C8_5UMapping); -const MappingPair GSM::gSACCH_C8_6Pair(gSACCH_C8_6DMapping,gSACCH_C8_6UMapping); -const MappingPair GSM::gSACCH_C8_7Pair(gSACCH_C8_7DMapping,gSACCH_C8_7UMapping); - -const MappingPair GSM::gFACCH_TCHFPair(gFACCH_TCHFMapping,gFACCH_TCHFMapping); - -const MappingPair GSM::gSACCH_FT_T0Pair(gSACCH_TF_T0Mapping, gSACCH_TF_T0Mapping); -const MappingPair GSM::gSACCH_FT_T1Pair(gSACCH_TF_T1Mapping, gSACCH_TF_T1Mapping); -const MappingPair GSM::gSACCH_FT_T2Pair(gSACCH_TF_T2Mapping, gSACCH_TF_T2Mapping); -const MappingPair GSM::gSACCH_FT_T3Pair(gSACCH_TF_T3Mapping, gSACCH_TF_T3Mapping); -const MappingPair GSM::gSACCH_FT_T4Pair(gSACCH_TF_T4Mapping, gSACCH_TF_T4Mapping); -const MappingPair GSM::gSACCH_FT_T5Pair(gSACCH_TF_T5Mapping, gSACCH_TF_T5Mapping); -const MappingPair GSM::gSACCH_FT_T6Pair(gSACCH_TF_T6Mapping, gSACCH_TF_T6Mapping); -const MappingPair GSM::gSACCH_FT_T7Pair(gSACCH_TF_T7Mapping, gSACCH_TF_T7Mapping); - - - -const CompleteMapping GSM::gSDCCH_4_0(gSDCCH_4_0Pair,gSACCH_C4_0Pair); -const CompleteMapping GSM::gSDCCH_4_1(gSDCCH_4_1Pair,gSACCH_C4_1Pair); -const CompleteMapping GSM::gSDCCH_4_2(gSDCCH_4_2Pair,gSACCH_C4_2Pair); -const CompleteMapping GSM::gSDCCH_4_3(gSDCCH_4_3Pair,gSACCH_C4_3Pair); -const CompleteMapping GSM::gSDCCH_8_0(gSDCCH_8_0Pair,gSACCH_C8_0Pair); -const CompleteMapping GSM::gSDCCH_8_1(gSDCCH_8_1Pair,gSACCH_C8_1Pair); -const CompleteMapping GSM::gSDCCH_8_2(gSDCCH_8_2Pair,gSACCH_C8_2Pair); -const CompleteMapping GSM::gSDCCH_8_3(gSDCCH_8_3Pair,gSACCH_C8_3Pair); -const CompleteMapping GSM::gSDCCH_8_4(gSDCCH_8_4Pair,gSACCH_C8_4Pair); -const CompleteMapping GSM::gSDCCH_8_5(gSDCCH_8_5Pair,gSACCH_C8_5Pair); -const CompleteMapping GSM::gSDCCH_8_6(gSDCCH_8_6Pair,gSACCH_C8_6Pair); -const CompleteMapping GSM::gSDCCH_8_7(gSDCCH_8_7Pair,gSACCH_C8_7Pair); - -const CompleteMapping GSM::gTCHF_T0(gFACCH_TCHFPair,gSACCH_FT_T0Pair); -const CompleteMapping GSM::gTCHF_T1(gFACCH_TCHFPair,gSACCH_FT_T1Pair); -const CompleteMapping GSM::gTCHF_T2(gFACCH_TCHFPair,gSACCH_FT_T2Pair); -const CompleteMapping GSM::gTCHF_T3(gFACCH_TCHFPair,gSACCH_FT_T3Pair); -const CompleteMapping GSM::gTCHF_T4(gFACCH_TCHFPair,gSACCH_FT_T4Pair); -const CompleteMapping GSM::gTCHF_T5(gFACCH_TCHFPair,gSACCH_FT_T5Pair); -const CompleteMapping GSM::gTCHF_T6(gFACCH_TCHFPair,gSACCH_FT_T6Pair); -const CompleteMapping GSM::gTCHF_T7(gFACCH_TCHFPair,gSACCH_FT_T7Pair); - - - diff --git a/src/lib/decoder/openbtsstuff/GSMTDMA.h b/src/lib/decoder/openbtsstuff/GSMTDMA.h deleted file mode 100644 index 3b55b94..0000000 --- a/src/lib/decoder/openbtsstuff/GSMTDMA.h +++ /dev/null @@ -1,358 +0,0 @@ -/**@file Common-use GSM declarations, most from the GSM 04.xx and 05.xx series. */ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - - -#ifndef GSMTDMA_H -#define GSMTDMA_H - - -#include "GSMCommon.h" - - -namespace GSM { - - -/** - A description of a channel's multiplexing pattern. - From GSM 05.02 Clause 7. - This object encodes a line from tables 1-4 in the spec. - The columns of interest in this encoding are: - - 1, Channel Designation - - 2, Subchannel - - 3, Direction - - 4, Allowable Time Slot Assignments - - 5, Allowable RF Channel Assignments - - 7, Repeat Length in TDMA Frames - - 8, Interleaved Block TDMA Frame Mapping - - Col 6, Burst Type, is implied by 1 & 2 and encoded into the transcevier source code. -*/ -class TDMAMapping { - - public: - - /// The longest "repeat length" of any channel we support is 104 for the SACCH/TF. - static const unsigned mMaxRepeatLength = 104; - - private: - - TypeAndOffset mTypeAndOffset; ///< col 1, 2, encoded as per GSM 04.08 10.5.2.5 - bool mDownlink; ///< col 3, true for downlink channels - bool mUplink; ///< col 3, true for uplink channels - char mAllowedSlots; ///< col 4, an 8-bit mask - bool mC0Only; ///< col 5, true if channel is limited to C0 - unsigned mRepeatLength; ///< col 7 - unsigned mNumFrames; ///< number of occupied frames in col 8 - const unsigned *mFrameMapping; ///< col 8 - unsigned mReverseMapping[mMaxRepeatLength]; ///< index reversal of mapping, -1 means unused - - - public: - - - /** - Construct a TDMAMapping, encoding one line of GSM 05.02 Clause 7 Tables 1-4. - @param wTypeAndOffset Encoding of "Channel designnation". See GSM 04.08 10.5.2.5. - @param wDownlink True for downlink and bidirectional hannels - @param wUplink True for uplink and bidirectional channels - @param wRepeatLength "Repeat Length in TDMA Frames" - @param wNumFrames Number of occupied TDMA frames in frame mapping. - @param wFrameMapping "Interleaved Block TDMA Frame Mapping" -- MUST PERSIST!! - */ - TDMAMapping(TypeAndOffset wTypeAndOffset, - bool wDownlink, bool wUplink, char wAllowedSlots, bool wC0Only, - unsigned wRepeatLength, unsigned wNumFrames, const unsigned *wFrameMapping); - - /** Given a count of frames sent, return the corresponding frame number. */ - unsigned frameMapping(unsigned count) const - { return mFrameMapping[count % mNumFrames]; } - - /** Given a frame number, return the corresponding count, modulo patten length. */ - int reverseMapping(unsigned FN) const - { return mReverseMapping[FN % mRepeatLength]; } - - /**@name Simple accessors. */ - //@{ - unsigned numFrames() const { return mNumFrames; } - - unsigned repeatLength() const { return mRepeatLength; } - - TypeAndOffset typeAndOffset() const { return mTypeAndOffset; } - - bool uplink() const { return mUplink; } - - bool downlink() const { return mDownlink; } - - bool C0Only() const { return mC0Only; } - //@} - - ///< Return true if this channel is allowed on this slot. - bool allowedSlot(unsigned slot) const - { return mAllowedSlots & (1<<slot); } -}; - - - -/**@name Mux parameters for standard channels, from GSM 05.03 Clause 7 Tables 1-4. */ -//@{ -/**@name Beacon channels */ -//@{ -extern const TDMAMapping gFCCHMapping; ///< GSM 05.02 Clause 7 Table 3 Line 1 B0-B4 -extern const TDMAMapping gSCHMapping; ///< GSM 05.02 Clause 7 Table 3 Line 2 B0-B4 -extern const TDMAMapping gBCCHMapping; ///< GSM 05.02 Clause 7 Table 3 Line 3 -/// GSM 05.02 Clause 7 Table 3 Line 7 B0-B50, excluding C-V SDCCH parts (SDCCH/4 and SCCH/C4) -extern const TDMAMapping gRACHC5Mapping; -extern const TDMAMapping gCCCH_0Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B0 -extern const TDMAMapping gCCCH_1Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B1 -extern const TDMAMapping gCCCH_2Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B2 -extern const TDMAMapping gCCCH_3Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B3 -extern const TDMAMapping gCCCH_4Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B4 -extern const TDMAMapping gCCCH_5Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B5 -extern const TDMAMapping gCCCH_6Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B6 -extern const TDMAMapping gCCCH_7Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B7 -extern const TDMAMapping gCCCH_8Mapping; ///< GSM 05.02 Clause 7 Table 3 Line 5 B8 -//@} -/**@name SDCCH */ -//@{ -///@name For Combination V -//@{ -extern const TDMAMapping gSDCCH_4_0DMapping; ///< GSM 05.02 Clause 7 Table 3 Line 10/0D -extern const TDMAMapping gSDCCH_4_0UMapping; ///< GSM 05.02 Clause 7 Table 3 Line 10/0U -extern const TDMAMapping gSDCCH_4_1DMapping; -extern const TDMAMapping gSDCCH_4_1UMapping; -extern const TDMAMapping gSDCCH_4_2DMapping; -extern const TDMAMapping gSDCCH_4_2UMapping; -extern const TDMAMapping gSDCCH_4_3DMapping; -extern const TDMAMapping gSDCCH_4_3UMapping; -//@} -///@name For Combination VII -//@{ -extern const TDMAMapping gSDCCH_8_0DMapping; -extern const TDMAMapping gSDCCH_8_0UMapping; -extern const TDMAMapping gSDCCH_8_1DMapping; -extern const TDMAMapping gSDCCH_8_1UMapping; -extern const TDMAMapping gSDCCH_8_2DMapping; -extern const TDMAMapping gSDCCH_8_2UMapping; -extern const TDMAMapping gSDCCH_8_3DMapping; -extern const TDMAMapping gSDCCH_8_3UMapping; -extern const TDMAMapping gSDCCH_8_4DMapping; -extern const TDMAMapping gSDCCH_8_4UMapping; -extern const TDMAMapping gSDCCH_8_5DMapping; -extern const TDMAMapping gSDCCH_8_5UMapping; -extern const TDMAMapping gSDCCH_8_6DMapping; -extern const TDMAMapping gSDCCH_8_6UMapping; -extern const TDMAMapping gSDCCH_8_7DMapping; -extern const TDMAMapping gSDCCH_8_7UMapping; -//@} -//@} -/**@name SACCH */ -//@{ -/**name SACCH for SDCCH */ -//@{ -///@name For Combination V -//@{ -extern const TDMAMapping gSACCH_C4_0DMapping; -extern const TDMAMapping gSACCH_C4_0UMapping; -extern const TDMAMapping gSACCH_C4_1DMapping; -extern const TDMAMapping gSACCH_C4_1UMapping; -extern const TDMAMapping gSACCH_C4_2DMapping; -extern const TDMAMapping gSACCH_C4_2UMapping; -extern const TDMAMapping gSACCH_C4_3DMapping; -extern const TDMAMapping gSACCH_C4_3UMapping; -//@} -///@name For Combination VII -//@{ -extern const TDMAMapping gSACCH_C8_0DMapping; -extern const TDMAMapping gSACCH_C8_0UMapping; -extern const TDMAMapping gSACCH_C8_1DMapping; -extern const TDMAMapping gSACCH_C8_1UMapping; -extern const TDMAMapping gSACCH_C8_2DMapping; -extern const TDMAMapping gSACCH_C8_2UMapping; -extern const TDMAMapping gSACCH_C8_3DMapping; -extern const TDMAMapping gSACCH_C8_3UMapping; -extern const TDMAMapping gSACCH_C8_4DMapping; -extern const TDMAMapping gSACCH_C8_4UMapping; -extern const TDMAMapping gSACCH_C8_5DMapping; -extern const TDMAMapping gSACCH_C8_5UMapping; -extern const TDMAMapping gSACCH_C8_6DMapping; -extern const TDMAMapping gSACCH_C8_6UMapping; -extern const TDMAMapping gSACCH_C8_7DMapping; -extern const TDMAMapping gSACCH_C8_7UMapping; -//@} -//@} -/**@name SACCH for TCH/F on different timeslots. */ -//@{ -extern const TDMAMapping gSACCH_TF_T0Mapping; -extern const TDMAMapping gSACCH_TF_T1Mapping; -extern const TDMAMapping gSACCH_TF_T2Mapping; -extern const TDMAMapping gSACCH_TF_T3Mapping; -extern const TDMAMapping gSACCH_TF_T4Mapping; -extern const TDMAMapping gSACCH_TF_T5Mapping; -extern const TDMAMapping gSACCH_TF_T6Mapping; -extern const TDMAMapping gSACCH_TF_T7Mapping; -//@} -//@} -/**name FACCH+TCH/F placement */ -//@{ -extern const TDMAMapping gFACCH_TCHFMapping; -//@} -/**@name Test fixtures. */ -extern const TDMAMapping gLoopbackTestFullMapping; -extern const TDMAMapping gLoopbackTestHalfUMapping; -extern const TDMAMapping gLoopbackTestHalfDMapping; -//@} - - -/** Combined uplink/downlink information. */ -class MappingPair { - - private: - - const TDMAMapping& mDownlink; - const TDMAMapping& mUplink; - - public: - - MappingPair(const TDMAMapping& wDownlink, const TDMAMapping& wUplink) - :mDownlink(wDownlink), mUplink(wUplink) - {} - - MappingPair(const TDMAMapping& wMapping) - :mDownlink(wMapping), mUplink(wMapping) - {} - - const TDMAMapping& downlink() const { return mDownlink; } - const TDMAMapping& uplink() const { return mUplink; } - -}; - - -/**@name Common placement pairs. */ -//@{ -/**@ SDCCH placement pairs. */ -//@{ -extern const MappingPair gSDCCH_4_0Pair; -extern const MappingPair gSDCCH_4_1Pair; -extern const MappingPair gSDCCH_4_2Pair; -extern const MappingPair gSDCCH_4_3Pair; -extern const MappingPair gSDCCH_8_0Pair; -extern const MappingPair gSDCCH_8_1Pair; -extern const MappingPair gSDCCH_8_2Pair; -extern const MappingPair gSDCCH_8_3Pair; -extern const MappingPair gSDCCH_8_4Pair; -extern const MappingPair gSDCCH_8_5Pair; -extern const MappingPair gSDCCH_8_6Pair; -extern const MappingPair gSDCCH_8_7Pair; -//@} -/**@ SACCH-for-SDCCH placement pairs. */ -//@{ -extern const MappingPair gSACCH_C4_0Pair; -extern const MappingPair gSACCH_C4_1Pair; -extern const MappingPair gSACCH_C4_2Pair; -extern const MappingPair gSACCH_C4_3Pair; -extern const MappingPair gSACCH_C8_0Pair; -extern const MappingPair gSACCH_C8_1Pair; -extern const MappingPair gSACCH_C8_2Pair; -extern const MappingPair gSACCH_C8_3Pair; -extern const MappingPair gSACCH_C8_4Pair; -extern const MappingPair gSACCH_C8_5Pair; -extern const MappingPair gSACCH_C8_6Pair; -extern const MappingPair gSACCH_C8_7Pair; -//@} -/**@name Traffic channels. */ -//@{ -extern const MappingPair gFACCH_TCHFPair; -extern const MappingPair gSACCH_FT_T0Pair; -extern const MappingPair gSACCH_FT_T1Pair; -extern const MappingPair gSACCH_FT_T2Pair; -extern const MappingPair gSACCH_FT_T3Pair; -extern const MappingPair gSACCH_FT_T4Pair; -extern const MappingPair gSACCH_FT_T5Pair; -extern const MappingPair gSACCH_FT_T6Pair; -extern const MappingPair gSACCH_FT_T7Pair; -//@} -//@} - - - -/** A CompleteMapping includes uplink, downlink and the SACCH. */ -class CompleteMapping { - - private: - - const MappingPair& mLCH; - const MappingPair& mSACCH; - - public: - - CompleteMapping(const MappingPair& wLCH, const MappingPair& wSACCH) - :mLCH(wLCH), mSACCH(wSACCH) - {} - - const MappingPair& LCH() const { return mLCH; } - const MappingPair& SACCH() const { return mSACCH; } - -}; - - - -/**@name Complete placements for common channel types. */ -//@{ -/**@name SDCCH/4 */ -//@{ -extern const CompleteMapping gSDCCH_4_0; -extern const CompleteMapping gSDCCH_4_1; -extern const CompleteMapping gSDCCH_4_2; -extern const CompleteMapping gSDCCH_4_3; -//@} -/**@name SDCCH/8 */ -//@{ -extern const CompleteMapping gSDCCH_8_0; -extern const CompleteMapping gSDCCH_8_1; -extern const CompleteMapping gSDCCH_8_2; -extern const CompleteMapping gSDCCH_8_3; -extern const CompleteMapping gSDCCH_8_4; -extern const CompleteMapping gSDCCH_8_5; -extern const CompleteMapping gSDCCH_8_6; -extern const CompleteMapping gSDCCH_8_7; -//@} -/**@name TCH/F on different slots. */ -//@{ -extern const CompleteMapping gTCHF_T0; -extern const CompleteMapping gTCHF_T1; -extern const CompleteMapping gTCHF_T2; -extern const CompleteMapping gTCHF_T3; -extern const CompleteMapping gTCHF_T4; -extern const CompleteMapping gTCHF_T5; -extern const CompleteMapping gTCHF_T6; -extern const CompleteMapping gTCHF_T7; -//@} -//@} - - -}; // namespace GSM - - -#endif - -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/Makefile.am b/src/lib/decoder/openbtsstuff/Makefile.am deleted file mode 100644 index 5a14202..0000000 --- a/src/lib/decoder/openbtsstuff/Makefile.am +++ /dev/null @@ -1,49 +0,0 @@ -# -# Copyright 2001,2002,2004,2005,2006,2007,2008 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 GNU Radio; see the file COPYING. If not, write to -# the Free Software Foundation, Inc., 51 Franklin Street, -# Boston, MA 02110-1301, USA. -# - -include $(top_srcdir)/Makefile.common - -AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) - -noinst_LTLIBRARIES = libopenbtsdecoder.la - -libopenbtsdecoder_la_SOURCES = \ -BitVector.cpp \ -GSM610Tables.cpp \ -GSMCommon.cpp \ -GSML1FEC.cpp \ -GSMTDMA.cpp \ -Threads.cpp \ -Timeval.cpp - - -noinst_HEADERS = \ -Assert.h \ -BitVector.h \ -GSM610Tables.h \ -GSMCommon.h \ -GSML1FEC.h \ -GSMTDMA.h \ -RxBurst.h \ -Threads.h \ -Timeval.h \ -Vector.h \ -VocoderFrame.h diff --git a/src/lib/decoder/openbtsstuff/RxBurst.h b/src/lib/decoder/openbtsstuff/RxBurst.h deleted file mode 100644 index 4348fb8..0000000 --- a/src/lib/decoder/openbtsstuff/RxBurst.h +++ /dev/null @@ -1,69 +0,0 @@ -#ifndef _RXBURST_H -#define _RXBURST_H - -#include "GSMCommon.h" -#include "BitVector.h" - -namespace GSM { - -/**@name Positions of stealing bits within a normal burst, GSM 05.03 3.1.4. */ -//@{ -static const unsigned gHlIndex = 60; ///< index of first stealing bit, GSM 05.03 3.1.4 -static const unsigned gHuIndex = 87; ///< index of second stealing bit, GSM 05.03 3.1.4 -//@} - -static const unsigned gSlotLen = 148; ///< number of symbols per slot, not counting guard periods - - -/** - Class to represent one timeslot of channel bits with soft encoding. -*/ -class RxBurst : public SoftVector { - - private: - - Time mTime; ///< timeslot and frame on which this was received -// float mTimingError; ///< Timing error in symbol steps, <0 means early. -// float mRSSI; ///< RSSI estimate associated with the slot, dB wrt full scale. - - public: - - /** Wrap an RxBurst around an existing float array. */ - RxBurst(float* wData, const Time &wTime) - :SoftVector(wData,gSlotLen),mTime(wTime) -// mTimingError(wTimingError),mRSSI(wRSSI) - { } - - - Time time() const { return mTime; } - - void time(const Time& wTime) { mTime = wTime; } - -// float RSSI() const { return mRSSI; } - -// float timingError() const { return mTimingError; } - - /** Return a SoftVector alias to the first data field. */ - const SoftVector data1() const { return segment(3, 57); } - - /** Return a SoftVector alias to the second data field. */ - const SoftVector data2() const { return segment(88, 57); } - - /** Return upper stealing bit. */ - bool Hu() const { return bit(gHuIndex); } - - /** Return lower stealing bit. */ - bool Hl() const { return bit(gHlIndex); } - -// friend std::ostream& operator<<(std::ostream& os, const RxBurst& ts); -}; - -// std::ostream& operator<<(std::ostream& os, const RxBurst& ts){ -// os << "time=" << ts.time(); -// os << " data=(" << (const SoftVector&)ts << ")" ; -// return os; -// } - - -} -#endif diff --git a/src/lib/decoder/openbtsstuff/Threads.cpp b/src/lib/decoder/openbtsstuff/Threads.cpp deleted file mode 100644 index b97f3fe..0000000 --- a/src/lib/decoder/openbtsstuff/Threads.cpp +++ /dev/null @@ -1,106 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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 "Threads.h" -#include "Timeval.h" - - -using namespace std; - - - - -Mutex gStreamLock; ///< Global lock to control access to cout and cerr. - -void lockCout() -{ - gStreamLock.lock(); - Timeval entryTime; - cout << entryTime << " " << pthread_self() << ": "; -} - - -void unlockCout() -{ - cout << dec << endl << flush; - gStreamLock.unlock(); -} - - -void lockCerr() -{ - gStreamLock.lock(); - Timeval entryTime; - cerr << entryTime << " " << pthread_self() << ": "; -} - -void unlockCerr() -{ - cerr << dec << endl << flush; - gStreamLock.unlock(); -} - - - - - - - -Mutex::Mutex() -{ - assert(!pthread_mutexattr_init(&mAttribs)); - assert(!pthread_mutexattr_settype(&mAttribs,PTHREAD_MUTEX_RECURSIVE)); - assert(!pthread_mutex_init(&mMutex,&mAttribs)); -} - - -Mutex::~Mutex() -{ - pthread_mutex_destroy(&mMutex); - assert(!pthread_mutexattr_destroy(&mAttribs)); -} - - - - -/** Block for the signal up to the cancellation timeout. */ -void Signal::wait(Mutex& wMutex, unsigned timeout) const -{ - struct timespec waitTime = Timeval(timeout).timespec(); - // FIXME -- With -O3 optimzation in OS X this doesn't block. See bug #320. - pthread_cond_timedwait(&mSignal,&wMutex.mMutex,&waitTime); -} - - -void Thread::start(void *(*task)(void*), void *arg) -{ - assert(mThread==((pthread_t)0)); - assert(!pthread_attr_init(&mAttrib)); - assert(!pthread_attr_setstacksize(&mAttrib, mStackSize)); - assert(!pthread_create(&mThread, &mAttrib, task, arg)); -} - - - -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/Threads.h b/src/lib/decoder/openbtsstuff/Threads.h deleted file mode 100644 index 14cff04..0000000 --- a/src/lib/decoder/openbtsstuff/Threads.h +++ /dev/null @@ -1,150 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - -#ifndef THREADS_H -#define THREADS_H - - -#include <pthread.h> -#include <iostream> -#include "Assert.h" - -class Mutex; - - -/**@name Multithreaded access for standard streams. */ -//@{ - -/**@name Functions for gStreamLock. */ -//@{ -extern Mutex gStreamLock; ///< global lock for cout and cerr -void lockCerr(); ///< call prior to writing cerr -void unlockCerr(); ///< call after writing cerr -void lockCout(); ///< call prior to writing cout -void unlockCout(); ///< call after writing cout -//@} - -/**@name Macros for standard messages. */ -//@{ -#define COUT(text) { lockCout(); std::cout << text; unlockCout(); } -#define CERR(text) { lockCerr(); std::cerr << __FILE__ << ":" << __LINE__ << ": " << text; unlockCerr(); } -#ifdef NDEBUG -#define DCOUT(text) {} -#define OBJDCOUT(text) {} -#else -#define DCOUT(text) { COUT(__FILE__ << ":" << __LINE__ << " " << text); } -#define OBJDCOUT(text) { DCOUT(this << " " << text); } -#endif -//@} -//@} - - - -/**@defgroup C++ wrappers for pthread mechanisms. */ -//@{ - -/** A class for recursive mutexes based on pthread_mutex. */ -class Mutex { - - private: - - pthread_mutex_t mMutex; - pthread_mutexattr_t mAttribs; - - public: - - Mutex(); - - ~Mutex(); - - void lock() { pthread_mutex_lock(&mMutex); } - - void unlock() { pthread_mutex_unlock(&mMutex); } - - friend class Signal; - -}; - - - -/** A C++ interthread signal based on pthread condition variables. */ -class Signal { - - private: - - mutable pthread_cond_t mSignal; - - public: - - Signal() { assert(!pthread_cond_init(&mSignal,NULL)); } - - ~Signal() { pthread_cond_destroy(&mSignal); } - - /** Block for the signal up to the cancellation timeout. */ - void wait(Mutex& wMutex, unsigned timeout=1000000000) const; - - void signal() { pthread_cond_signal(&mSignal); } - - void broadcast() { pthread_cond_broadcast(&mSignal); } - -}; - - - -#define START_THREAD(thread,function,argument) \ - thread.start((void *(*)(void*))function, (void*)argument); - -/** A C++ wrapper for pthread threads. */ -class Thread { - - private: - - pthread_t mThread; - pthread_attr_t mAttrib; - const static size_t mStackSize=4*65536; - - - public: - - /** Create a thread in a non-running state. */ - Thread():mThread((pthread_t)0) { } - - /** - Destroy the Thread. - It should be stopped and joined. - */ - ~Thread() { assert(!pthread_attr_destroy(&mAttrib)); } - - - /** Start the thread on a task. */ - void start(void *(*task)(void*), void *arg); - - /** Join a thread that will stop on its own. */ - void join() { assert(!pthread_join(mThread,NULL)); } - -}; - - - - -#endif -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/Timeval.cpp b/src/lib/decoder/openbtsstuff/Timeval.cpp deleted file mode 100644 index e7590cb..0000000 --- a/src/lib/decoder/openbtsstuff/Timeval.cpp +++ /dev/null @@ -1,93 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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 "Timeval.h" - -using namespace std; - -void Timeval::future(unsigned offset) -{ - now(); - unsigned sec = offset/1000; - unsigned msec = offset%1000; - mTimeval.tv_usec += msec*1000; - mTimeval.tv_sec += sec; - if (mTimeval.tv_usec>1000000) { - mTimeval.tv_usec -= 1000000; - mTimeval.tv_sec += 1; - } -} - - -struct timespec Timeval::timespec() const -{ - struct timespec retVal; - retVal.tv_sec = mTimeval.tv_sec; - retVal.tv_nsec = 1000 * (long)mTimeval.tv_usec; - return retVal; -} - - -bool Timeval::passed() const -{ - Timeval nowTime; - if (nowTime.mTimeval.tv_sec < mTimeval.tv_sec) return false; - if (nowTime.mTimeval.tv_sec > mTimeval.tv_sec) return true; - if (nowTime.mTimeval.tv_usec > mTimeval.tv_usec) return true; - return false; -} - -double Timeval::seconds() const -{ - return ((double)mTimeval.tv_sec) + 1e-6*((double)mTimeval.tv_usec); -} - - - -long Timeval::delta(const Timeval& other) const -{ - long deltaS = other.sec() - sec(); - long deltaUs = other.usec() - usec(); - return 1000*deltaS + deltaUs/1000; -} - - - - -ostream& operator<<(ostream& os, const Timeval& tv) -{ - os.setf( ios::fixed, ios::floatfield ); - os << tv.seconds(); - return os; -} - - -ostream& operator<<(ostream& os, const struct timespec& ts) -{ - os << ts.tv_sec << "," << ts.tv_nsec; - return os; -} - - - -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/Timeval.h b/src/lib/decoder/openbtsstuff/Timeval.h deleted file mode 100644 index 44618bc..0000000 --- a/src/lib/decoder/openbtsstuff/Timeval.h +++ /dev/null @@ -1,96 +0,0 @@ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - -#ifndef TIMEVAL_H -#define TIMEVAL_H - -#include "sys/time.h" -#include <iostream> - - - -inline void msleep(long v) { usleep((v+500)/1000); } - - -/** A C++ wrapper for struct timeval. */ -class Timeval { - - private: - - struct timeval mTimeval; - - public: - - /** Set the value to gettimeofday. */ - void now() { gettimeofday(&mTimeval,NULL); } - - /** Set the value to gettimeofday plus an offset. */ - void future(unsigned offset); - - //@{ - Timeval(unsigned sec, unsigned usec) - { - mTimeval.tv_sec = sec; - mTimeval.tv_usec = usec; - } - - Timeval(const struct timeval& wTimeval) - :mTimeval(wTimeval) - {} - - /** - Create a Timeval offset into the future. - @param offset milliseconds - */ - Timeval(unsigned offset=0) { future(offset); } - //@} - - /** Convert to a struct timespec. */ - struct timespec timespec() const; - - /** Return total seconds. */ - double seconds() const; - - uint32_t sec() const { return mTimeval.tv_sec; } - uint32_t usec() const { return mTimeval.tv_usec; } - - /** Return differnce from other (other-self), in ms. */ - long delta(const Timeval& other) const; - - /** Elapsed time in ms. */ - long elapsed() const { return delta(Timeval()); } - - /** Remaining time in ms. */ - long remaining() const { return -elapsed(); } - - /** Return true if the time has passed, as per gettimeofday. */ - bool passed() const; - -}; - -std::ostream& operator<<(std::ostream& os, const Timeval&); - -std::ostream& operator<<(std::ostream& os, const struct timespec&); - - -#endif -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/Vector.h b/src/lib/decoder/openbtsstuff/Vector.h deleted file mode 100644 index cec278a..0000000 --- a/src/lib/decoder/openbtsstuff/Vector.h +++ /dev/null @@ -1,257 +0,0 @@ -/**@file Simplified Vector template with aliases. */ -/* -* Copyright 2008 Free Software Foundation, Inc. -* -* This software is distributed under the terms of the GNU Public License. -* See the COPYING 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 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 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/>. - -*/ - - - - -#ifndef VECTOR_H -#define VECTOR_H - -#include <string.h> -#include <iostream> -#include "Assert.h" - - -/** - A simplified Vector template with aliases. - Unlike std::vector, this class does not support dynamic resizing. - Unlike std::vector, this class does support "aliases" and subvectors. -*/ -template <class T> class Vector { - - // TODO -- Replace memcpy calls with for-loops. - - public: - - /**@name Iterator types. */ - //@{ - typedef T* iterator; - typedef const T* const_iterator; - //@} - - protected: - - T* mData; ///< allocated data block, if any - T* mStart; ///< start of useful data - T* mEnd; ///< end of useful data + 1 - - public: - - /** Return the size of the Vector. */ - size_t size() const - { - assert(mStart>=mData); - assert(mEnd>=mStart); - return mEnd - mStart; - } - - /** Return size in bytes. */ - size_t bytes() const { return size()*sizeof(T); } - - /** Change the size of the Vector, discarding content. */ - void resize(size_t newSize) - { - if (mData!=NULL) delete[] mData; - if (newSize==0) mData=NULL; - else mData = new T[newSize]; - mStart = mData; - mEnd = mStart + newSize; - } - - /** Release memory and clear pointers. */ - void clear() { resize(0); } - - - /** Copy data from another vector. */ - void clone(const Vector<T>& other) - { - resize(other.size()); - memcpy(mData,other.mStart,other.bytes()); - } - - - - - //@{ - - /** 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) - :mData(other.mData),mStart(other.mStart),mEnd(other.mEnd) - { other.mData=NULL; } - - /** Build a Vector by copying another. */ - Vector(const Vector<T>& other):mData(NULL) { clone(other); } - - /** Build a Vector with explicit values. */ - Vector(T* wData, T* wStart, T* wEnd) - :mData(wData),mStart(wStart),mEnd(wEnd) - { } - - /** Build a vector from an existing block, NOT to be deleted upon destruction. */ - Vector(T* wStart, size_t span) - :mData(NULL),mStart(wStart),mEnd(wStart+span) - { } - - /** Build a Vector by concatenation. */ - Vector(const Vector<T>& other1, const Vector<T>& other2) - :mData(NULL) - { - resize(other1.size()+other2.size()); - memcpy(mStart, other1.mStart, other1.bytes()); - memcpy(mStart+other1.size(), other2.mStart, other2.bytes()); - } - - //@} - - /** Destroy a Vector, deleting held memory. */ - ~Vector() { clear(); } - - - - - //@{ - - /** Assign from another Vector, shifting ownership. */ - void operator=(Vector<T>& other) - { - clear(); - mData=other.mData; - mStart=other.mStart; - mEnd=other.mEnd; - other.mData=NULL; - } - - /** Assign from another Vector, copying. */ - void operator=(const Vector<T>& other) { clone(other); } - - //@} - - - //@{ - - /** Return an alias to a segment of this Vector. */ - Vector<T> segment(size_t start, size_t span) - { - T* wStart = mStart + start; - T* wEnd = wStart + span; - assert(wEnd<=mEnd); - return Vector<T>(NULL,wStart,wEnd); - } - - /** Return an alias to a segment of this Vector. */ - const Vector<T> segment(size_t start, size_t span) const - { - T* wStart = mStart + start; - T* wEnd = wStart + span; - assert(wEnd<=mEnd); - return Vector<T>(NULL,wStart,wEnd); - } - - Vector<T> head(size_t span) { return segment(0,span); } - const Vector<T> head(size_t span) const { return segment(0,span); } - Vector<T> tail(size_t start) { return segment(start,size()-start); } - const Vector<T> tail(size_t start) const { return segment(start,size()-start); } - - /** - Copy part of this Vector to a segment of another Vector. - @param other The other vector. - @param start The start point in the other vector. - @param span The number of elements to copy. - */ - void copyToSegment(Vector<T>& other, size_t start, size_t span) const - { - T* base = other.mStart + start; - assert(base+span<=other.mEnd); - assert(mStart+span<=mEnd); - memcpy(base,mStart,span*sizeof(T)); - } - - /** Copy all of this Vector to a segment of another Vector. */ - void copyToSegment(Vector<T>& other, size_t start=0) const { copyToSegment(other,start,size()); } - - void copyTo(Vector<T>& other) const { copyToSegment(other,0,size()); } - - /** - Copy a segment of this vector into another. - @param other The other vector (to copt into starting at 0.) - @param start The start point in this vector. - @param span The number of elements to copy. - */ - void segmentCopyTo(Vector<T>& other, size_t start, size_t span) - { - T* base = mStart + start; - assert(base+span<=mEnd); - assert(other.mStart+span<=other.mEnd); - memcpy(other.mStart,base,span*sizeof(T)); - } - - void fill(const T& val) - { - T* dp=mStart; - while (dp<mEnd) *dp++=val; - } - - - //@} - - - //@{ - - T& operator[](size_t index) - { - assert(mStart+index<mEnd); - return mStart[index]; - } - - const T& operator[](size_t index) const - { - assert(mStart+index<mEnd); - return mStart[index]; - } - - const T* begin() const { return mStart; } - T* begin() { return mStart; } - const T* end() const { return mEnd; } - T* end() { return mEnd; } - //@} - - -}; - - - - -/** Basic print operator for Vector objects. */ -template <class T> -std::ostream& operator<<(std::ostream& os, const Vector<T>& v) -{ - for (unsigned i=0; i<v.size(); i++) os << v[i] << " "; - return os; -} - - - -#endif -// vim: ts=4 sw=4 diff --git a/src/lib/decoder/openbtsstuff/VocoderFrame.h b/src/lib/decoder/openbtsstuff/VocoderFrame.h deleted file mode 100644 index c0e51c0..0000000 --- a/src/lib/decoder/openbtsstuff/VocoderFrame.h +++ /dev/null @@ -1,25 +0,0 @@ -#ifndef _VOCODERFRAME_H -#define _VOCODERFRAME_H - -#include "BitVector.h" -//#include "GSMCommon.h" - -class VocoderFrame : public BitVector { - - public: - - VocoderFrame() - :BitVector(264) - { fillField(0,0x0d,4); } - - /** Construct by unpacking a char[33]. */ - VocoderFrame(const unsigned char *src) - :BitVector(264) - { unpack(src); } - - BitVector payload() { return tail(4); } - const BitVector payload() const { return tail(4); } - -}; - -#endif |