mirror of
https://github.com/RangeNetworks/openbts.git
synced 2025-10-23 07:42:01 +00:00
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/*
|
|
* Copyright 2008, 2009 Free Software Foundation, Inc.
|
|
* Copyright 2014 Range Networks, 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 "RAD1Device.h"
|
|
|
|
/* tomr had to add direct path to OpenBTS.db */
|
|
ConfigurationTable gConfig("/etc/OpenBTS/OpenBTS.db");
|
|
|
|
using namespace std;
|
|
|
|
int main(int argc, char *argv[]) {
|
|
|
|
gLogInit("RAD1RxRawPowerSweep","INFO",LOG_LOCAL7);
|
|
|
|
int whichBoard = 0;
|
|
if (argc > 1) whichBoard = atoi(argv[1]);
|
|
//if (argc>2) gSetLogFile(argv[2]);
|
|
|
|
RAD1Device *usrp = new RAD1Device(52.0e6/192.0);
|
|
|
|
usrp->make(false, 0);
|
|
|
|
double startFreqkHz = 0.0;
|
|
double endFreqkHz = 0.0;
|
|
if (argc > 2) startFreqkHz = (double) atoi(argv[2]);
|
|
if (argc > 3) endFreqkHz = (double) atoi(argv[3]);
|
|
|
|
TIMESTAMP timestamp;
|
|
|
|
//if (!usrp->setRxFreq(freqkHz*1.0e3,108)) printf("RX failed!");
|
|
|
|
usrp->start();
|
|
|
|
/* tomr added default gain value to 53 and 3rd arg for setting an alt value */
|
|
unsigned int rxgain = 53;
|
|
|
|
if (argc > 4) {
|
|
rxgain = atoi(argv[4]);
|
|
printf("Updated RxGain = %d\n", rxgain);
|
|
} else
|
|
printf("Deafult RxGain Setting = %d\n", rxgain);
|
|
|
|
usrp->setRxGain(rxgain);
|
|
|
|
bool underrun;
|
|
|
|
usrp->updateAlignment(20000);
|
|
usrp->updateAlignment(21000);
|
|
|
|
timestamp = 30000;
|
|
double sum = 0.0;
|
|
unsigned long num = 0;
|
|
|
|
double rcvCeil = usrp->fullScaleOutputValue()*usrp->fullScaleOutputValue();
|
|
|
|
for (double freqkHz = startFreqkHz; freqkHz <= endFreqkHz; freqkHz += 200) {
|
|
double sum = 0.0;
|
|
unsigned long num = 0;
|
|
if (!usrp->setRxFreq(freqkHz*1.0e3,108)) printf("RX failed!");
|
|
for (int j = 0; j < 250; j++) {
|
|
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]);
|
|
if (j >= 50) {
|
|
sum += (readBuf[2*i+1]*readBuf[2*i+1] + readBuf[2*i]*readBuf[2*i]);
|
|
num++;
|
|
}
|
|
}
|
|
timestamp += rd;
|
|
}
|
|
}
|
|
printf("RSSI is %f at %fkHz\n",10*log10(rcvCeil/(sum/(double) num)),freqkHz);
|
|
|
|
}
|
|
|
|
}
|