radio95/fm95
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stuff for developing, actual debug mode as well as add the vban protocol specs

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This commit is contained in:
KubaPro010
2025-05-25 12:37:07 +02:00
parent f8c1671de2
commit a19427c9c4
11 changed files with 70 additions and 16 deletions
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3
dsp/bs412.c
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@@ -13,6 +13,9 @@ void init_modulation_power_measure(MPXPowerMeasurement* mpx, int sample_rate) {
mpx->sample_counter = 0;
mpx->sample = 0;
mpx->sample_rate = sample_rate;
#ifdef BS412_DEBUG
debug_printf("Initialized MPX power measurement with sample rate: %d\n", sample_rate);
#endif
}
float measure_mpx(MPXPowerMeasurement* mpx, float deviation) {

5
dsp/bs412.h
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@@ -1,4 +1,9 @@
#pragma once
#ifdef DEBUG
#define BS412_DEBUG
#endif
#include <math.h>
#ifdef BS412_DEBUG
#include "../lib/debug.h"

4
dsp/fm_modulator.c
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@@ -19,9 +19,9 @@ void init_refrenced_fm_modulator(RefrencedFMModulator* fm, Oscillator* osc, floa
fm->osc = osc;
}
float refrenced_modulate_fm(RefrencedFMModulator* fm, float sample) {
float refrenced_modulate_fm(RefrencedFMModulator* fm, float sample, float phase_multiplier) {
float inst_freq = sample * fm->deviation;
float phase = fm->osc->phase + ((M_2PI * inst_freq) / fm->osc->sample_rate);
float phase = (fm->osc->phase * phase_multiplier) + ((M_2PI * inst_freq) / fm->osc->sample_rate);
if (phase >= M_2PI) {
phase -= M_2PI;

2
dsp/fm_modulator.h
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@@ -19,4 +19,4 @@ typedef struct
Oscillator* osc;
} RefrencedFMModulator;
void init_refrenced_fm_modulator(RefrencedFMModulator *fm, Oscillator *osc, float deviation);
float refrenced_modulate_fm(RefrencedFMModulator *fm, float sample);
float refrenced_modulate_fm(RefrencedFMModulator *fm, float sample, float phase_multiplier);