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experiment with the pll

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This commit is contained in:
KubaPro010
2025-03-23 17:38:41 +01:00
parent 52e081ad3f
commit ecbeb6a18f
3 changed files with 10 additions and 7 deletions
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7
src/fm95.c
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@@ -405,9 +405,8 @@ int main(int argc, char **argv) {
}
// #region Setup Filters/Modulaltors/Oscillators
Oscillator osc, rds2_osc;
Oscillator osc;
init_oscillator(&osc, polar_stereo ? 31250.0 : 19000, sample_rate);
init_oscillator(&rds2_osc, 66500, sample_rate);
FMModulator sca_mod;
init_fm_modulator(&sca_mod, sca_frequency, sca_deviation, sample_rate);
@@ -417,7 +416,7 @@ int main(int argc, char **argv) {
init_preemphasis(&preemp_r, preemphasis_tau, sample_rate);
PLL rds2_pll;
init_pll(&rds2_pll, 66500, 1, 1, sample_rate);
init_pll(&rds2_pll, 66500, 1, 10000, sample_rate);
// #endregion
signal(SIGINT, stop);
@@ -496,7 +495,7 @@ int main(int argc, char **argv) {
float rds_carrier = get_oscillator_sin_multiplier_ni(&osc, 3);
output[i] += (current_rds_in*rds_carrier)*RDS_VOLUME;
if(!sca_on) {
float rds2_carrier_66 = apply_pll(&rds2_pll, get_oscillator_sin_multiplier_ni(&osc, 1), get_oscillator_sin_sample(&rds2_osc));
float rds2_carrier_66 = apply_pll(&rds2_pll, get_oscillator_sin_multiplier_ni(&osc, 1));
output[i] += (current_rds2_in*rds2_carrier_66)*RDS2_VOLUME;
}
}