BRNSystems/brnQuanFW
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AM fix modification

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This commit is contained in:
Krzysiek Egzmont
2023-12-06 17:54:32 +01:00
parent e95f577074
commit c1a009cc2f
8 changed files with 66 additions and 35 deletions
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41
radio.c
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@@ -772,12 +772,7 @@ void RADIO_SetupRegisters(bool switchToForeground)
}
#endif
#ifdef ENABLE_AM_FIX
if(gSetting_AM_fix) {
BK4819_SetAGC(true);
BK4819_InitAGC(false);
}
#endif
RADIO_SetupAGC(false, false);
// enable/disable BK4819 selected interrupts
BK4819_WriteRegister(BK4819_REG_3F, InterruptMask);
@@ -926,12 +921,36 @@ void RADIO_SetModulation(ModulationMode_t modulation)
BK4819_SetRegValue(afDacGainRegSpec, 0xF);
BK4819_WriteRegister(BK4819_REG_3D, modulation == MODULATION_USB ? 0 : 0x2AAB);
BK4819_SetRegValue(afcDisableRegSpec, modulation != MODULATION_FM);
#ifdef ENABLE_AM_FIX
if(modulation == MODULATION_AM && gSetting_AM_fix) {
BK4819_SetAGC(0);
RADIO_SetupAGC(modulation == MODULATION_AM, false);
}
void RADIO_SetupAGC(bool listeningAM, bool disable)
{
static uint8_t lastSettings;
uint8_t newSettings = (listeningAM << 1) | (disable << 1);
if(lastSettings == newSettings)
return;
lastSettings = newSettings;
if(!listeningAM) { // if not actively listening AM we don't need any AM specific regulation
BK4819_SetAGC(1);
BK4819_InitAGC(false);
}
else {
#ifdef ENABLE_AM_FIX
if(gSetting_AM_fix) { // if AM fix active lock AGC so AM-fix can do it's job
BK4819_SetAGC(0);
AM_fix_enable(!disable);
}
else
#endif
BK4819_InitAGC(modulation == MODULATION_AM);
{
BK4819_SetAGC(!disable);
BK4819_InitAGC(true);
}
}
}
void RADIO_SetVfoState(VfoState_t State)
@@ -1149,4 +1168,4 @@ void RADIO_SendEndOfTransmission(void)
}
BK4819_ExitDTMF_TX(true);
}
}