void RadioInterface::driveReceiveRadio() {
if (!mOn) return;
if (mReceiveFIFO.size() > 8) return;
pullBuffer();
GSM::Time rcvClock = mClock.get();
rcvClock.decTN(receiveOffset);
unsigned tN = rcvClock.TN();
int rcvSz = rcvCursor;
int readSz = 0;
const int symbolsPerSlot = gSlotLen + 8;
// while there's enough data in receive buffer, form received
// GSM bursts and pass up to Transceiver
// Using the 157-156-156-156 symbols per timeslot format.
while (rcvSz > (symbolsPerSlot + (tN % 4 == 0))*samplesPerSymbol) {
signalVector rxVector((symbolsPerSlot + (tN % 4 == 0))*samplesPerSymbol);
unRadioifyVector(rcvBuffer+readSz*2,rxVector);
GSM::Time tmpTime = rcvClock;
if (rcvClock.FN() >= 0) {
//LOG(DEBUG) << "FN: " << rcvClock.FN();
radioVector *rxBurst = NULL;
if (!loadTest)
rxBurst = new radioVector(rxVector,tmpTime);
else {
if (tN % 4 == 0)
rxBurst = new radioVector(*finalVec9,tmpTime);
else
rxBurst = new radioVector(*finalVec,tmpTime);
}
mReceiveFIFO.put(rxBurst);
}
mClock.incTN();
rcvClock.incTN();
//if (mReceiveFIFO.size() >= 16) mReceiveFIFO.wait(8);
//LOG(DEBUG) << "receiveFIFO: wrote radio vector at time: " << mClock.get() << ", new size: " << mReceiveFIFO.size() ;
readSz += (symbolsPerSlot+(tN % 4 == 0))*samplesPerSymbol;
rcvSz -= (symbolsPerSlot+(tN % 4 == 0))*samplesPerSymbol;
tN = rcvClock.TN();
}
if (readSz > 0) {
rcvCursor -= readSz;
memmove(rcvBuffer,rcvBuffer+2*readSz,sizeof(float) * 2 * rcvCursor);
}
}
void RadioInterface::driveReceiveRadio() {
pullBuffer();
if (!rcvBuffer) {
return;}
GSM::Time rcvClock = mClock.get();
rcvClock.decTN(receiveOffset);
unsigned tN = rcvClock.TN();
int rcvSz = rcvBuffer->size();
int readSz = 0;
const int symbolsPerSlot = gSlotLen + 8;
// while there's enough data in receive buffer, form received
// GSM bursts and pass up to Transceiver
// Using the 157-156-156-156 symbols per timeslot format.
while (rcvSz > (symbolsPerSlot + (tN % 4 == 0))*samplesPerSymbol) {
signalVector rxVector(rcvBuffer->begin(),
readSz,
(symbolsPerSlot + (tN % 4 == 0))*samplesPerSymbol);
GSM::Time tmpTime = rcvClock;
if (rcvClock.FN() >= 0) {
LOG(DEEPDEBUG) << "FN: " << rcvClock.FN();
radioVector* rxBurst = new radioVector(rxVector,tmpTime);
mReceiveFIFO.write(rxBurst);
}
mClock.incTN();
rcvClock.incTN();
if (mReceiveFIFO.size() >= 16) mReceiveFIFO.wait(8);
LOG(DEEPDEBUG) << "receiveFIFO: wrote radio vector at time: " << mClock.get() << ", new size: " << mReceiveFIFO.size() ;
readSz += (symbolsPerSlot+(tN % 4 == 0))*samplesPerSymbol;
rcvSz -= (symbolsPerSlot+(tN % 4 == 0))*samplesPerSymbol;
tN = rcvClock.TN();
}
signalVector *tmp = new signalVector(rcvBuffer->size()-readSz);
rcvBuffer->segmentCopyTo(*tmp,readSz,tmp->size());
delete rcvBuffer;
rcvBuffer = tmp;
}
