diff options
| -rw-r--r-- | Transceiver52M/Transceiver.cpp | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/Transceiver52M/Transceiver.cpp b/Transceiver52M/Transceiver.cpp index d152b2d..caf7bf0 100644 --- a/Transceiver52M/Transceiver.cpp +++ b/Transceiver52M/Transceiver.cpp @@ -32,7 +32,17 @@ #include "Transceiver.h" #include <Logger.h> +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#define USB_LATENCY_INTRVL (10,0) +#if USE_UHD +# define USB_LATENCY_MIN (6,7) +#else +# define USB_LATENCY_MIN (1,1) +#endif Transceiver::Transceiver(int wBasePort, const char *TRXAddress, @@ -716,8 +726,8 @@ void Transceiver::driveTransmitFIFO() // enough. Need to increase latency by one GSM frame. 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)) { + // only update latency at the defined frame interval + if (radioClock->get() > mLatencyUpdateTime + GSM::Time(USB_LATENCY_INTRVL)) { mTransmitLatency = mTransmitLatency + GSM::Time(1,0); LOG(INFO) << "new latency: " << mTransmitLatency; mLatencyUpdateTime = radioClock->get(); @@ -726,7 +736,7 @@ void Transceiver::driveTransmitFIFO() 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 (mTransmitLatency > GSM::Time(USB_LATENCY_MIN)) { if (radioClock->get() > mLatencyUpdateTime + GSM::Time(216,0)) { mTransmitLatency.decTN(); LOG(INFO) << "reduced latency: " << mTransmitLatency; |