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Added 1750Hz squelch tone on MD-3x0 radios

This commit is contained in:
Silvano Seva 2023-09-22 13:46:31 +02:00
parent 06515e324a
commit e2ab831c27
1 changed files with 21 additions and 4 deletions
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25
platform/drivers/baseband/radio_MD3x0.cpp
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@ -290,9 +290,20 @@ void radio_enableTx()
{ {
case OPMODE_FM: case OPMODE_FM:
{ {
TxAudioSource source = TxAudioSource::MIC;
FmConfig cfg = (config->bandwidth == BW_12_5) ? FmConfig::BW_12p5kHz FmConfig cfg = (config->bandwidth == BW_12_5) ? FmConfig::BW_12p5kHz
: FmConfig::BW_25kHz; : FmConfig::BW_25kHz;
C5000.startAnalogTx(TxAudioSource::MIC, cfg | FmConfig::PREEMPH_EN);
// Setup 1750Hz tone, if enabled
if(config->toneEn)
{
source = TxAudioSource::LINE_IN; // HR_C5000 audio input is tone generator
C5000.setModFactor(0x1E); // Set correct modulation factor
gpio_setMode(BEEP_OUT, ALTERNATE); // Override audio path configuration
toneGen_beepOn(1750.0f, 255, 0); // Enable 1750Hz tone, always on
}
C5000.startAnalogTx(source, cfg | FmConfig::PREEMPH_EN);
} }
break; break;
@ -316,11 +327,17 @@ void radio_enableTx()
void radio_disableRtx() void radio_disableRtx()
{ {
// If we are currently transmitting, stop tone and C5000 TX
if(radioStatus == TX) if(radioStatus == TX)
{ {
toneGen_toneOff(); C5000.stopAnalogTx(); // Stop HR_C5000 tx
C5000.stopAnalogTx(); toneGen_toneOff(); // Stop CTCSS tone
// Stop 1750Hz tone
if(config->toneEn)
{
toneGen_beepOff();
gpio_setMode(BEEP_OUT, INPUT);
}
} }
gpio_clearPin(TX_STG_EN); // Disable TX PA gpio_clearPin(TX_STG_EN); // Disable TX PA