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generate the 66.5 inside the pll via the pilot

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KubaPro010
2025-03-23 16:28:22 +01:00
parent a654700eba
commit 228cb355ac
10 changed files with 1056 additions and 1053 deletions
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18
lib/fm_modulator.c
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@@ -1,16 +1,16 @@
#include "fm_modulator.h"
void init_fm_modulator(FMModulator *fm, float frequency, float deviation, float sample_rate) {
fm->frequency = frequency;
fm->deviation = deviation;
fm->sample_rate = sample_rate;
fm->osc_phase = 0.0f;
fm->frequency = frequency;
fm->deviation = deviation;
fm->sample_rate = sample_rate;
fm->osc_phase = 0.0f;
}
float modulate_fm(FMModulator *fm, float sample) {
float inst_freq = fm->frequency+(sample*fm->deviation);
if (inst_freq < 0.0f) inst_freq = 0.0f;
float out = sinf(fm->osc_phase);
fm->osc_phase = fmodf(fm->osc_phase + ((M_2PI * inst_freq) / fm->sample_rate), M_2PI);
return out;
float inst_freq = fm->frequency+(sample*fm->deviation);
if (inst_freq < 0.0f) inst_freq = 0.0f;
float out = sinf(fm->osc_phase);
fm->osc_phase = fmodf(fm->osc_phase + ((M_2PI * inst_freq) / fm->sample_rate), M_2PI);
return out;
}