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librtlsdr
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specify number of seconds to run

development
Jerome 2017-02-12 21:40:50 +01:00 committed by hayati ayguen
parent 748e4564e9
commit b09c635885
1 changed files with 22 additions and 1 deletions
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23
src/rtl_fm.c
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@ -121,6 +121,10 @@ static int32_t prev_if_band_center_freq = 0;
enum trigExpr { crit_IN =0, crit_OUT, crit_LT, crit_GT };
char * aCritStr[] = { "in", "out", "<", ">" };
time_t stop_time;
int duration = 0;
struct cmd_state
{
const char * filename;
@ -296,6 +300,7 @@ void usage(void)
#endif
"\t[-o oversampling (default: 1, 4 recommended)]\n"
"\t[-p ppm_error (default: 0)]\n"
"\t[-R run_seconds] specify number of seconds to run\n"
"\t[-E enable_option (default: none)]\n"
"\t use multiple -E to enable multiple options\n"
"\t edge: enable lower edge tuning\n"
@ -1300,11 +1305,18 @@ static void rtlsdr_callback(unsigned char *buf, uint32_t len, void *ctx)
unsigned char sampleMax;
uint32_t sampleP, samplePowSum = 0.0;
int samplePowCount = 0, step = 2;
time_t rawtime;
if (do_exit) {
return;}
if (!ctx) {
return;}
time(&rawtime);
if (duration > 0 && rawtime >= stop_time) {
do_exit = 1;
fprintf(stderr, "Time expired, exiting!\n");
rtlsdr_cancel_async(dongle.dev);
}
if (s->mute) {
if(muteLen > (int)len)
muteLen = len;
@ -1797,7 +1809,7 @@ int main(int argc, char **argv)
controller_init(&controller);
cmd_init(&cmd);
while ((opt = getopt(argc, argv, "d:f:g:s:b:l:o:t:r:p:E:O:F:A:M:hTC:B:m:L:q:c:w:W:D:nHv")) != -1) {
while ((opt = getopt(argc, argv, "d:f:g:s:b:l:o:t:r:p:R:E:O:F:A:M:hTC:B:m:L:q:c:w:W:D:nHv")) != -1) {
switch (opt) {
case 'd':
dongle.dev_index = verbose_device_search(optarg);
@ -1861,6 +1873,15 @@ int main(int argc, char **argv)
dongle.ppm_error = atoi(optarg);
custom_ppm = 1;
break;
case 'R':
time(&stop_time);
duration = atoi(optarg);
if (duration < 1) {
fprintf(stderr, "Duration '%s' was not positive integer; will continue indefinitely\n", optarg);
} else {
stop_time += duration;
}
break;
case 'E':
if (strcmp("edge", optarg) == 0) {
controller.edge = 1;}