mirror of
https://github.com/RangeNetworks/openbts.git
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50a65783f8
git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@6757 19bc5d8c-e614-43d4-8b26-e1612bc8e597
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/*
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* Copyright 2008, 2009 Free Software Foundation, Inc.
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*
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* This software is distributed under the terms of the GNU Public License.
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* See the COPYING file in the main directory for details.
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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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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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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("/etc/OpenBTS/OpenBTS.db");
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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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int deviceID = 0;
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if (argc>2) deviceID = atoi(argv[2]);
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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(52.0e6/192.0);
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usrp->make(false, deviceID);
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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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double sum = 0.0;
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unsigned long num = 0;
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while (1) {
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short readBuf[512*2];
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printf("reading data...\n");
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int rd = usrp->readSamples(readBuf,512,&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 < 512; 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+511,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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