brmlab/kalibrate-rtl
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use rtl-sdr instead of USRP

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Signed-off-by: Steve Markgraf <steve@steve-m.de>
This commit is contained in:
Steve Markgraf 2012-10-08 04:32:16 +02:00
parent c58471bb42
commit c3366bda71
8 changed files with 120 additions and 102 deletions
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51
src/kal.cc
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@ -67,7 +67,8 @@ int g_debug = 0;
void usage(char *prog) {
printf("kalibrate v%s, Copyright (c) 2010, Joshua Lackey\n", kal_version_string);
printf("kalibrate v%s-rtl, Copyright (c) 2010, Joshua Lackey\n", kal_version_string);
printf("modified for use with rtl-sdr devices, Copyright (c) 2012, Steve Markgraf");
printf("\nUsage:\n");
printf("\tGSM Base Station Scan:\n");
printf("\t\t%s <-s band indicator> [options]\n", basename(prog));
@ -80,10 +81,9 @@ void usage(char *prog) {
printf("\t-f\tfrequency of nearby GSM base station\n");
printf("\t-c\tchannel of nearby GSM base station\n");
printf("\t-b\tband indicator (GSM850, GSM900, EGSM, DCS, PCS)\n");
printf("\t-R\tside A (0) or B (1), defaults to B\n");
printf("\t-A\tantenna TX/RX (0) or RX2 (1), defaults to RX2\n");
printf("\t-g\tgain as %% of range, defaults to 45%%\n");
printf("\t-F\tFPGA master clock frequency, defaults to 52MHz\n");
printf("\t-g\tgain in dB\n");
printf("\t-d\trtl-sdr device index\n");
printf("\t-e\tinitial frequency error in ppm\n");
printf("\t-v\tverbose\n");
printf("\t-D\tenable debug messages\n");
printf("\t-h\thelp\n");
@ -95,13 +95,14 @@ int main(int argc, char **argv) {
char *endptr;
int c, antenna = 1, bi = BI_NOT_DEFINED, chan = -1, bts_scan = 0;
unsigned int subdev = 1, decimation = 192;
int ppm_error = 0;
unsigned int subdev = 0, decimation = 192;
long int fpga_master_clock_freq = 52000000;
float gain = 0.45;
float gain = 0;
double freq = -1.0, fd;
usrp_source *u;
while((c = getopt(argc, argv, "f:c:s:b:R:A:g:F:vDh?")) != EOF) {
while((c = getopt(argc, argv, "f:c:s:b:R:A:g:e:d:vDh?")) != EOF) {
switch(c) {
case 'f':
freq = strtod(optarg, 0);
@ -163,11 +164,7 @@ int main(int argc, char **argv) {
break;
case 'g':
gain = strtod(optarg, 0);
if((gain > 1.0) && (gain <= 100.0))
gain /= 100.0;
if((gain < 0.0) || (1.0 < gain))
usage(argv[0]);
gain = strtof(optarg, 0) * 10;
break;
case 'F':
@ -181,6 +178,14 @@ int main(int argc, char **argv) {
}
break;
case 'e':
ppm_error = strtol(optarg, 0, 0);
break;
case 'd':
subdev = strtol(optarg, 0, 0);
break;
case 'v':
g_verbosity++;
break;
@ -221,6 +226,7 @@ int main(int argc, char **argv) {
chan = freq_to_arfcn(freq, &bi);
}
#if 0
// sanity check clock
if(fpga_master_clock_freq < 48000000) {
fprintf(stderr, "error: FPGA master clock too slow: %li\n", fpga_master_clock_freq);
@ -230,7 +236,7 @@ int main(int argc, char **argv) {
// calculate decimation -- get as close to GSM rate as we can
fd = (double)fpga_master_clock_freq / GSM_RATE;
decimation = (unsigned int)fd;
#endif
if(g_debug) {
#ifdef D_HOST_OSX
printf("debug: Mac OS X version\n");
@ -251,10 +257,19 @@ int main(int argc, char **argv) {
fprintf(stderr, "error: usrp_source::open\n");
return -1;
}
u->set_antenna(antenna);
if(!u->set_gain(gain)) {
fprintf(stderr, "error: usrp_source::set_gain\n");
return -1;
// u->set_antenna(antenna);
if (gain != 0) {
if(!u->set_gain(gain)) {
fprintf(stderr, "error: usrp_source::set_gain\n");
return -1;
}
}
if (ppm_error != 0) {
if(u->set_freq_correction(ppm_error) < 0) {
fprintf(stderr, "error: usrp_source::set_freq_correction\n");
return -1;
}
}
if(!bts_scan) {