Transceiver52M: add antenna selection from configuration

Set optional transmit and receive antennas from database configuration
file. Use default antenna values on empty string or if option does not
exist.

Signed-off-by: Thomas Tsou <tom@tsou.cc>

1 files changed, 15 insertions, 0 deletions

diff --git a/Transceiver52M/runTransceiver.cpp b/Transceiver52M/runTransceiver.cpp
index 33ab434..8e0794c 100644
--- a/Transceiver52M/runTransceiver.cpp
+++ b/Transceiver52M/runTransceiver.cpp
@@ -58,6 +58,7 @@ static void ctrlCHandler(int signo)
 int main(int argc, char *argv[])
 {
   std::string deviceArgs;
+  std::string txAntenna, rxAntenna;
 
   if (argc == 3)
   {
@@ -95,9 +96,23 @@ int main(int argc, char *argv[])
     return EXIT_FAILURE;
   }
 
+  if (gConfig.defines("GSM.Radio.TxAntenna"))
+    txAntenna = gConfig.getStr("GSM.Radio.TxAntenna").c_str();
+  if (gConfig.defines("GSM.Radio.RxAntenna"))
+    rxAntenna = gConfig.getStr("GSM.Radio.RxAntenna").c_str();
+
+  if (txAntenna != "")  
+    usrp->setTxAntenna(txAntenna);
+  if (rxAntenna != "")  
+    usrp->setRxAntenna(rxAntenna);
+
+  LOG(INFO) << "transceiver using transmit antenna " << usrp->getRxAntenna();
+  LOG(INFO) << "transceiver using receive antenna " << usrp->getTxAntenna();
+
   RadioInterface* radio = new RadioInterface(usrp,3,SAMPSPERSYM,mOversamplingRate,false);
   Transceiver *trx = new Transceiver(gConfig.getNum("TRX.Port"),gConfig.getStr("TRX.IP").c_str(),SAMPSPERSYM,GSM::Time(3,0),radio);
   trx->receiveFIFO(radio->receiveFIFO());
+
 /*
   signalVector *gsmPulse = generateGSMPulse(2,1);
   BitVector normalBurstSeg = "0000101010100111110010101010010110101110011000111001101010000";