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Code Issues Activity

some safety changes to bs412

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This commit is contained in:
KubaPro010
2025-03-29 22:31:36 +01:00
parent 5cb6bb828e
commit 25c0a34359
2 changed files with 3 additions and 3 deletions
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4
lib/bs412.c
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@@ -5,7 +5,7 @@ float dbr_to_deviation(float dbr) {
} }
float deviation_to_dbr(float deviation) { float deviation_to_dbr(float deviation) {
return 20*log10f(deviation/19000.0f); return 20 * log10f((deviation + 1e-6f) / 19000.0f);
} }
void init_modulation_power_measure(MPXPowerMeasurement* mpx, int sample_rate) { void init_modulation_power_measure(MPXPowerMeasurement* mpx, int sample_rate) {
@@ -14,7 +14,7 @@ void init_modulation_power_measure(MPXPowerMeasurement* mpx, int sample_rate) {
mpx->sample_rate = sample_rate; mpx->sample_rate = sample_rate;
} }
float measure_mpx(MPXPowerMeasurement* mpx, int deviation) { float measure_mpx(MPXPowerMeasurement* mpx, float deviation) {
mpx->sample += deviation; mpx->sample += deviation;
float avg_deviation = (float)mpx->sample / mpx->i; float avg_deviation = (float)mpx->sample / mpx->i;

2
lib/bs412.h
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@@ -12,4 +12,4 @@ float dbr_to_deviation(float dbr);
float deviation_to_dbr(float deviation); float deviation_to_dbr(float deviation);
void init_modulation_power_measure(MPXPowerMeasurement *mpx, int sample_rate); void init_modulation_power_measure(MPXPowerMeasurement *mpx, int sample_rate);
float measure_mpx(MPXPowerMeasurement *mpx, int deviation); float measure_mpx(MPXPowerMeasurement *mpx, float deviation);