diff options
Diffstat (limited to 'Transceiver52M/USRPping.cpp')
-rw-r--r-- | Transceiver52M/USRPping.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/Transceiver52M/USRPping.cpp b/Transceiver52M/USRPping.cpp new file mode 100644 index 0000000..b238c69 --- /dev/null +++ b/Transceiver52M/USRPping.cpp @@ -0,0 +1,96 @@ +/* +* Copyright 2008, 2009 Free Software Foundation, Inc. +* +* This software is distributed under the terms of the GNU Public License. +* See the COPYING file in the main directory for details. +* +* This use of this software may be subject to additional restrictions. +* See the LEGAL file in the main directory for details. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + +*/ + + + +#include <stdint.h> +#include <stdio.h> +#include <Logger.h> +#include <Configuration.h> +#include "USRPDevice.h" + +ConfigurationTable gConfig; + +using namespace std; + +int main(int argc, char *argv[]) { + + // Configure logger. + if (argc>1) gLogInit(argv[1]); + else gLogInit("DEBUG"); + //if (argc>2) gSetLogFile(argv[2]); + + USRPDevice *usrp = new USRPDevice(52.0e6/192.0); + + usrp->make(); + + TIMESTAMP timestamp; + + usrp->setTxFreq(825.4e6); + usrp->setRxFreq(825.4e6); + + usrp->start(); + + usrp->setRxGain(57); + + LOG(INFO) << "Looping..."; + bool underrun; + + short data[]={0x00,0x02}; + + usrp->updateAlignment(20000); + usrp->updateAlignment(21000); + + int numpkts = 1; + short data2[512*2*numpkts]; + for (int i = 0; i < 512*numpkts; i++) { + data2[i<<1] = 10000;//4096*cos(2*3.14159*(i % 126)/126); + data2[(i<<1) + 1] = 10000;//4096*sin(2*3.14159*(i % 126)/126); + } + + for (int i = 0; i < 1; i++) + usrp->writeSamples((short*) data2,512*numpkts,&underrun,102000+i*1000); + + timestamp = 19000; + double sum = 0.0; + unsigned long num = 0; + while (1) { + short readBuf[512*2]; + int rd = usrp->readSamples(readBuf,512,&underrun,timestamp); + if (rd) { + LOG(INFO) << "rcvd. data@:" << timestamp; + for (int i = 0; i < 512; i++) { + uint32_t *wordPtr = (uint32_t *) &readBuf[2*i]; + *wordPtr = usrp_to_host_u32(*wordPtr); + printf ("%llu: %d %d\n", timestamp+i,readBuf[2*i],readBuf[2*i+1]); + sum += (readBuf[2*i+1]*readBuf[2*i+1] + readBuf[2*i]*readBuf[2*i]); + num++; + //if (num % 10000 == 0) printf("avg pwr: %f\n",sum/num); + } + timestamp += rd; + //usrp->writeSamples((short*) data2,512*numpkts,&underrun,timestamp+1000); + } + } + +} |