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no option to disable RDS support.

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This commit is contained in:
Jean-François DEL NERO 2022-11-27 00:56:22 +01:00
parent 3b959d2776
commit f5448101ed
1 changed files with 20 additions and 5 deletions
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25
src/broadcast_fm/broadcast_fm.c
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@ -226,6 +226,7 @@ void printhelp(char* argv[])
printf("Options:\n");
printf(" -stdout \t\t\t: IQ stream send to stdout\n");
printf(" -mono \t\t\t: Mono FM mode\n");
printf(" -no_rds \t\t\t: Disable RDS\n");
printf(" -mod_file:[MODFILE.MOD]\t: MOD music file to play\n");
printf(" -generate \t\t\t: Generate the IQ stream\n");
printf(" -help \t\t\t: This help\n\n");
@ -281,10 +282,11 @@ int main(int argc, char* argv[])
int16_t subcarriers_dbg_wave_buf[BUFFER_SAMPLES_SIZE];
double subcarriers_float_wave_buf[BUFFER_SAMPLES_SIZE];
int monomode;
int monomode, no_rds;
stdoutmode = 0;
monomode = 0;
no_rds = 0;
if(isOption(argc,argv,"stdout",NULL)>0)
{
@ -318,6 +320,11 @@ int main(int argc, char* argv[])
monomode = 1;
}
if(isOption(argc,argv,"no_rds",NULL)>0)
{
no_rds = 1;
}
if(isOption(argc,argv,"generate",0)>0)
{
// Init the .mod player and load the mod file.
@ -485,15 +492,23 @@ int main(int argc, char* argv[])
rds_carrier_57KHz_gen.phase = (stereo_pilot_gen.phase * 3) + PI/2;
rds_mod_sample = get_rds_bit_state(&rdsstat,stereo_pilot_gen.phase);
if(!no_rds)
rds_mod_sample = get_rds_bit_state(&rdsstat,stereo_pilot_gen.phase);
// 38KHz DSB-SC (Double-sideband suppressed-carrier) modulation
audio_sample_r_car = f_get_next_sample(&audiow_stereo38KHz_gen); // Get the 38KHz carrier
audio_sample_r_car = (audio_sample_r_car * leftminusright_audio ); // And multiply it with the left - right sample.
// 57KHz DSB-SC (Double-sideband suppressed-carrier) modulation
rds_sample = f_get_next_sample(&rds_carrier_57KHz_gen); // Get the 57KHz carrier
rds_sample = ( rds_sample * rds_mod_sample ); // And multiply it with the rds sample.
if(!no_rds)
{
// 57KHz DSB-SC (Double-sideband suppressed-carrier) modulation
rds_sample = f_get_next_sample(&rds_carrier_57KHz_gen); // Get the 57KHz carrier
rds_sample = ( rds_sample * rds_mod_sample ); // And multiply it with the rds sample.
}
else
{
rds_sample = 0;
}
// 19KHz pilot
pilot_sample = f_get_next_sample(&stereo_pilot_gen);