FreeDV
/
rtl-sdr-blog
mirror of https://github.com/drowe67/rtl-sdr-blog.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Add command line options for modn order and symbol rate

master
billcowley 2020-08-07 13:50:25 +09:30
parent 656317a3a5
commit 6043eff982
1 changed files with 17 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/rtl_fsk.c
View File

@ -18,6 +18,10 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
//added M flag and R flag (for Rs) as command line options
#include <assert.h>
#include <errno.h>
#include <signal.h>
@ -74,6 +78,8 @@ void usage(void)
"\t[-d device_index (default: 0)]\n"
"\t[-g gain (default: 0 for auto)]\n"
"\t[-p ppm_error (default: 0)]\n"
"\t[-M modn order (default: 2)]\n"
"\t[-R symbol rate (default: 10000)]\n"
"\t[-b output_block_size (default: 16 * 16384)]\n"
"\t[-n number of samples to read (default: 0, infinite)]\n"
"\t[-S force sync output (default: async)]\n"
@ -247,8 +253,10 @@ int main(int argc, char **argv)
int dev_given = 0;
char hostname[256];
uint32_t frequency = 100000000;
int M =2;
int Rs = 10000;
while ((opt = getopt(argc, argv, "d:f:g:s:b:n:p:S:u:")) != -1) {
while ((opt = getopt(argc, argv, "d:f:g:s:b:n:p:S:u:M:R:")) != -1) {
switch (opt) {
case 'd':
dev_index = verbose_device_search(optarg);
@ -279,6 +287,12 @@ int main(int argc, char **argv)
dashboard = 1;
strcpy(hostname, optarg);
break;
case 'M':
M = atoi(optarg);
break;
case 'R':
Rs = atoi(optarg);
break;
default:
usage();
break;
@ -391,8 +405,8 @@ int main(int argc, char **argv)
{
/* TODO: make some of these command line options */
int Fs = DEFAULT_SAMPLE_RATE;
int Rs = 10000;
int M = 2;
// int Rs = 10000;
// int M = 2;
int P = Fs/Rs;
fsk = fsk_create_hbr(Fs,Rs,M,P,FSK_DEFAULT_NSYM,FSK_NONE,100);
}