diff options
Diffstat (limited to 'Transceiver52M/Transceiver.cpp')
| -rw-r--r-- | Transceiver52M/Transceiver.cpp | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/Transceiver52M/Transceiver.cpp b/Transceiver52M/Transceiver.cpp index b60496a..a7c629e 100644 --- a/Transceiver52M/Transceiver.cpp +++ b/Transceiver52M/Transceiver.cpp @@ -57,15 +57,12 @@ Transceiver::Transceiver(int wBasePort, mControlSocket(wBasePort+1,TRXAddress,wBasePort+101), mClockSocket(wBasePort,TRXAddress,wBasePort+100) { - //GSM::Time startTime(0,0); - //GSM::Time startTime(gHyperframe/2 - 4*216*60,0); GSM::Time startTime(random() % gHyperframe,0); mFIFOServiceLoopThread = new Thread(32768); ///< thread to push bursts into transmit FIFO mControlServiceLoopThread = new Thread(32768); ///< thread to process control messages from GSM core mTransmitPriorityQueueServiceLoopThread = new Thread(32768);///< thread to process transmit bursts from GSM core - mSPS = wSPS; mRadioInterface = wRadioInterface; mTransmitLatency = wTransmitLatency; @@ -75,54 +72,65 @@ Transceiver::Transceiver(int wBasePort, mRadioInterface->getClock()->set(startTime); mMaxExpectedDelay = 0; - // generate pulse and setup up signal processing library - gsmPulse = generateGSMPulse(2, mSPS); - LOG(DEBUG) << "gsmPulse: " << *gsmPulse; - sigProcLibSetup(mSPS); - txFullScale = mRadioInterface->fullScaleInputValue(); rxFullScale = mRadioInterface->fullScaleOutputValue(); - // initialize filler tables with dummy bursts, initialize other per-timeslot variables + mOn = false; + mTxFreq = 0.0; + mRxFreq = 0.0; + mPower = -10; + mEnergyThreshold = INIT_ENERGY_THRSHD; + prevFalseDetectionTime = startTime; + +} + +Transceiver::~Transceiver() +{ + sigProcLibDestroy(); + mTransmitPriorityQueue.clear(); +} + +bool Transceiver::init() +{ + if (!sigProcLibSetup(mSPS)) { + LOG(ALERT) << "Failed to initialize signal processing library"; + return false; + } + + // initialize filler tables with dummy bursts for (int i = 0; i < 8; i++) { - signalVector* modBurst = modulateBurst(gDummyBurst,*gsmPulse, + signalVector* modBurst = modulateBurst(gDummyBurst, 8 + (i % 4 == 0), mSPS); + if (!modBurst) { + sigProcLibDestroy(); + LOG(ALERT) << "Failed to initialize filler table"; + return false; + } + scaleVector(*modBurst,txFullScale); fillerModulus[i]=26; for (int j = 0; j < 102; j++) { fillerTable[j][i] = new signalVector(*modBurst); } + delete modBurst; mChanType[i] = NONE; channelResponse[i] = NULL; DFEForward[i] = NULL; DFEFeedback[i] = NULL; - channelEstimateTime[i] = startTime; + channelEstimateTime[i] = mTransmitDeadlineClock; } - mOn = false; - mTxFreq = 0.0; - mRxFreq = 0.0; - mPower = -10; - mEnergyThreshold = INIT_ENERGY_THRSHD; - prevFalseDetectionTime = startTime; -} - -Transceiver::~Transceiver() -{ - delete gsmPulse; - sigProcLibDestroy(); - mTransmitPriorityQueue.clear(); + return true; } - void Transceiver::addRadioVector(BitVector &burst, int RSSI, GSM::Time &wTime) { // modulate and stick into queue - signalVector* modBurst = modulateBurst(burst,*gsmPulse, + signalVector* modBurst = modulateBurst(burst, 8 + (wTime.TN() % 4 == 0), mSPS); scaleVector(*modBurst,txFullScale * pow(10,-RSSI/10)); @@ -135,10 +143,7 @@ void Transceiver::addRadioVector(BitVector &burst, #ifdef TRANSMIT_LOGGING void Transceiver::unModulateVector(signalVector wVector) { - SoftVector *burst = demodulateBurst(wVector, - *gsmPulse, - mSPS, - 1.0,0.0); + SoftVector *burst = demodulateBurst(wVector, mSPS, 1.0, 0.0); LOG(DEBUG) << "LOGGED BURST: " << *burst; /* @@ -415,7 +420,6 @@ SoftVector *Transceiver::pullRadioVector(GSM::Time &wTime, if ((rxBurst) && (success)) { if ((corrType==RACH) || (!needDFE)) { burst = demodulateBurst(*vectorBurst, - *gsmPulse, mSPS, amplitude,TOA); } @@ -497,7 +501,7 @@ void Transceiver::driveControl() // Prepare for thread start mPower = -20; mRadioInterface->start(); - generateRACHSequence(*gsmPulse, mSPS); + generateRACHSequence(mSPS); // Start radio interface threads. mFIFOServiceLoopThread->start((void * (*)(void*))FIFOServiceLoopAdapter,(void*) this); @@ -589,8 +593,8 @@ void Transceiver::driveControl() sprintf(response,"RSP SETTSC 1 %d",TSC); else { mTSC = TSC; - generateMidamble(*gsmPulse, mSPS, TSC); - sprintf(response,"RSP SETTSC 0 %d",TSC); + generateMidamble(mSPS, TSC); + sprintf(response,"RSP SETTSC 0 %d", TSC); } } else if (strcmp(command,"SETSLOT")==0) { |