radio95/fm95
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bs412 things

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This commit is contained in:
kuba
2026-05-10 18:09:56 +02:00
parent bdac9ac88b
commit 335dd4683f
3 changed files with 21 additions and 9 deletions
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src/fm95.c
+12 -3
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@@ -68,6 +68,7 @@ typedef struct {
float bs412_max;
float bs412_gate;
float bs412_knee;
float bs412_strenght;
float lpf_cutoff;
} FM95_Config;
@@ -336,6 +337,7 @@ static int config_handler(void* user, const char* section, const char* name, con
else if(MATCH("fm95", "bs412_max")) pconfig->bs412_max = strtof(value, NULL);
else if(MATCH("fm95", "bs412_gate")) pconfig->bs412_gate = strtof(value, NULL);
else if(MATCH("fm95", "bs412_knee")) pconfig->bs412_knee = strtof(value, NULL);
else if(MATCH("fm95", "bs412_strenght")) pconfig->bs412_strenght = strtof(value, NULL);
else if(MATCH("advanced", "lpf_order")) pconfig->lpf_order = atoi(value);
else if(MATCH("advanced", "stereo_ssb")) pconfig->stereo_ssb = atoi(value);
else if(MATCH("advanced", "preemp_unity")) pconfig->preemp_unity_freq = strtof(value, NULL);
@@ -446,8 +448,8 @@ void init_runtime(FM95_Runtime* runtime, const FM95_Config config) {
}
if(runtime->bs412.init == true && (runtime->bs412.sample_rate == config.sample_rate)) {
reinit_bs412(&runtime->bs412, config.mpx_deviation, config.mpx_power, config.bs412_attack, config.bs412_release, config.bs412_max, config.bs412_gate, config.bs412_knee);
} else init_bs412(&runtime->bs412, config.mpx_deviation, config.mpx_power, config.bs412_attack, config.bs412_release, config.bs412_max, config.bs412_gate, config.bs412_knee, config.sample_rate);
reinit_bs412(&runtime->bs412, config.mpx_deviation, config.mpx_power, config.bs412_attack, config.bs412_release, config.bs412_max, config.bs412_gate, config.bs412_knee, config.bs412_strenght);
} else init_bs412(&runtime->bs412, config.mpx_deviation, config.mpx_power, config.bs412_attack, config.bs412_release, config.bs412_max, config.bs412_gate, config.bs412_knee, config.bs412_strenght, config.sample_rate);
init_stereo_encoder(&runtime->stencode, config.stereo_ssb, 4.0f, &runtime->osc, config.volumes.audio, config.volumes.pilot);
float last_gain = 0.0f;
@@ -563,11 +565,17 @@ static void *handle_client(ipc_client_arg_t *arg) {
to_reload = 1;
break;
case 110:
// Set BS412 gate
// Set BS412 knee
memcpy(&val, buf + 1, sizeof(float));
data->runtime->bs412.knee_db = val;
reply = 0;
break;
case 111:
// Set BS412 strenght
memcpy(&val, buf + 1, sizeof(float));
data->runtime->bs412.strenght = val;
reply = 0;
break;
case 0xfe:
// Fetch config
send(fd, data->config, sizeof(FM95_Config), 0);
@@ -630,6 +638,7 @@ int main(int argc, char **argv) {
.bs412_max = 2.82f,
.bs412_gate = -20.0f,
.bs412_knee = 4.0f,
.bs412_strenght = 1.0f,
.lpf_cutoff = 15000.0f,
};