mirror of
https://github.com/fairwaves/OpenBTS-UMTS.git
synced 2025-10-30 11:03:30 +00:00
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/*
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* OpenBTS provides an open source alternative to legacy telco protocols and
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* traditionally complex, proprietary hardware systems.
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*
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* Copyright 2008, 2009 Free Software Foundation, Inc.
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* Copyright 2014 Range Networks, Inc.
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*
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* This software is distributed under the terms of the GNU General Public
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* License version 3. See the COPYING and NOTICE files in the current
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* directory for licensing information.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <Logger.h>
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#include <Configuration.h>
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#include "RAD1Device.h"
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ConfigurationTable gConfig;
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using namespace std;
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int main(int argc, char *argv[]) {
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// Configure logger.
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if (argc>1) gLogInit(argv[1]);
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else gLogInit("DEBUG");
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gLogInit("openbts",argv[1],LOG_LOCAL7);
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//if (argc>2) gSetLogFile(argv[2]);
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RAD1Device *usrp = new RAD1Device(3.84e6);
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usrp->make();
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TIMESTAMP timestamp;
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if (!usrp->setTxFreq(925.2e6,113)) printf("TX failed!");
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if (!usrp->setRxFreq(925.2e6,113)) printf("RX failed!");
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usrp->start();
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usrp->setRxGain(57);
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LOG(INFO) << "Looping...";
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bool underrun;
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short data[]={0x00,0x02};
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usrp->updateAlignment(20000);
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usrp->updateAlignment(21000);
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int numpkts = 1;
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short data2[512*2*numpkts];
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for (int i = 0; i < 512*numpkts; i++) {
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data2[i<<1] = 30000;//4096*cos(2*3.14159*(i % 126)/126);
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data2[(i<<1) + 1] = 30000;//4096*sin(2*3.14159*(i % 126)/126);
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}
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for (int i = 0; i < 1; i++)
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usrp->writeSamples((short*) data2,512*numpkts,&underrun,102000+i*1000);
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timestamp = 19000;
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int rcvLen = 7680;
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double sum = 0.0;
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unsigned long num = 0;
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while (1) {
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short readBuf[rcvLen*2];
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printf("reading data...\n");
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int rd = usrp->readSamples(readBuf,rcvLen,&underrun,timestamp);
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if (rd) {
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LOG(INFO) << "rcvd. data@:" << timestamp;
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float pwr = 0;
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for (int i = 0; i < rcvLen; i++) {
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uint32_t *wordPtr = (uint32_t *) &readBuf[2*i];
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*wordPtr = usrp_to_host_u32(*wordPtr);
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printf ("%llu: %d %d\n", timestamp+i,readBuf[2*i],readBuf[2*i+1]);
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sum += (readBuf[2*i+1]*readBuf[2*i+1] + readBuf[2*i]*readBuf[2*i]);
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pwr += (readBuf[2*i+1]*readBuf[2*i+1] + readBuf[2*i]*readBuf[2*i]);
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num++;
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//if (num % 10000 == 0) printf("avg pwr: %f\n",sum/num);
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}
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printf("For %llu to %llu, power is %f\n",timestamp,timestamp+rcvLen-1,pwr);
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timestamp += rd;
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//usrp->writeSamples((short*) data2,512*numpkts,&underrun,timestamp+1000);
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}
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}
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}
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