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allow user to select sync mode

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Patch provided by 'airwave', Thanks!

Signed-off-by: Steve Markgraf <steve@steve-m.de>
This commit is contained in:
Steve Markgraf 2012-04-09 15:05:09 +02:00
parent 7e6d2f55ee
commit a58def7f58
1 changed files with 21 additions and 15 deletions
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16
src/main.c
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@ -44,6 +44,7 @@ void usage(void)
"\t[-d device_index (default: 0)]\n"
"\t[-g tuner_gain (default: 0 dB)]\n"
"\t[-b output_block_size (default: 16 * 16384)]\n"
"\t[-S force sync output (default: async)]\n"
"\toutput filename\n");
exit(1);
}
@ -67,6 +68,7 @@ int main(int argc, char **argv)
int n_read;
int r, opt;
int i, gain = 0;
int sync_mode = 0;
FILE *file;
uint8_t *buffer;
uint32_t dev_index = 0;
@ -74,8 +76,7 @@ int main(int argc, char **argv)
uint32_t samp_rate = DEFAULT_SAMPLE_RATE;
uint32_t out_block_size = DEFAULT_BUF_LENGTH;
while ((opt = getopt(argc, argv, "d:f:g:s:b:")) != -1) {
while ((opt = getopt(argc, argv, "d:f:g:s:b:S::")) != -1) {
switch (opt) {
case 'd':
dev_index = atoi(optarg);
@ -92,6 +93,9 @@ int main(int argc, char **argv)
case 'b':
out_block_size = (uint32_t)atof(optarg);
break;
case 'S':
sync_mode = 1;
break;
default:
usage();
break;
@ -177,7 +181,8 @@ int main(int argc, char **argv)
fprintf(stderr, "WARNING: Failed to reset buffers.\n");
fprintf(stderr, "Reading samples...\n");
#if 0
if (sync_mode) {
while (!do_exit) {
r = rtlsdr_read_sync(dev, buffer, out_block_size, &n_read);
if (r < 0)
@ -190,10 +195,11 @@ int main(int argc, char **argv)
break;
}
}
#else
} else {
rtlsdr_read_async(dev, rtlsdr_callback, (void *)file,
DEFAULT_ASYNC_BUF_NUMBER, out_block_size);
#endif
}
if (do_exit)
fprintf(stderr, "\nUser cancel, exiting...\n");
else