diff options
Diffstat (limited to 'Transceiver52M/Transceiver.cpp')
| -rw-r--r-- | Transceiver52M/Transceiver.cpp | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/Transceiver52M/Transceiver.cpp b/Transceiver52M/Transceiver.cpp index 20c6aad..d152b2d 100644 --- a/Transceiver52M/Transceiver.cpp +++ b/Transceiver52M/Transceiver.cpp @@ -714,27 +714,27 @@ void Transceiver::driveTransmitFIFO() while (radioClock->get() + mTransmitLatency > mTransmitDeadlineClock) { // if underrun, then we're not providing bursts to radio/USRP fast // enough. Need to increase latency by one GSM frame. -#ifndef USE_UHD - if (mRadioInterface->isUnderrun()) { - // only do latency update every 10 frames, so we don't over update - if (radioClock->get() > mLatencyUpdateTime + GSM::Time(10,0)) { - mTransmitLatency = mTransmitLatency + GSM::Time(1,0); - LOG(INFO) << "new latency: " << mTransmitLatency; - mLatencyUpdateTime = radioClock->get(); - } + if (mRadioInterface->getBus() == RadioDevice::USB) { + if (mRadioInterface->isUnderrun()) { + // only do latency update every 10 frames, so we don't over update + if (radioClock->get() > mLatencyUpdateTime + GSM::Time(10,0)) { + mTransmitLatency = mTransmitLatency + GSM::Time(1,0); + LOG(INFO) << "new latency: " << mTransmitLatency; + mLatencyUpdateTime = radioClock->get(); + } + } + else { + // if underrun hasn't occurred in the last sec (216 frames) drop + // transmit latency by a timeslot + if (mTransmitLatency > GSM::Time(1,1)) { + if (radioClock->get() > mLatencyUpdateTime + GSM::Time(216,0)) { + mTransmitLatency.decTN(); + LOG(INFO) << "reduced latency: " << mTransmitLatency; + mLatencyUpdateTime = radioClock->get(); + } + } + } } - else { - // if underrun hasn't occurred in the last sec (216 frames) drop - // transmit latency by a timeslot - if (mTransmitLatency > GSM::Time(1,1)) { - if (radioClock->get() > mLatencyUpdateTime + GSM::Time(216,0)) { - mTransmitLatency.decTN(); - LOG(INFO) << "reduced latency: " << mTransmitLatency; - mLatencyUpdateTime = radioClock->get(); - } - } - } -#endif // time to push burst to transmit FIFO pushRadioVector(mTransmitDeadlineClock); mTransmitDeadlineClock.incTN(); |