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Code Issues Releases Activity

First test

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OneOfEleven
2023-09-21 23:06:47 +01:00
parent 4a0a5a9589
commit fb85c14037
22 changed files with 422 additions and 400 deletions
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658
app/app.c
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@ -69,17 +69,22 @@ static void APP_CheckForIncoming(void)
if (!g_SquelchLost)
return;
// squelch is open
if (gScanState == SCAN_OFF)
{
{ // not RF scanning
if (gCssScanMode != CSS_SCAN_MODE_OFF && gRxReceptionMode == RX_MODE_NONE)
{
{ // CTCSS/DTS scanning
ScanPauseDelayIn_10ms = 100; // 1 second
gScheduleScanListen = false;
gRxReceptionMode = RX_MODE_DETECTED;
}
if (gEeprom.DUAL_WATCH == DUAL_WATCH_OFF)
{
{ // dual watch is disabled
#ifdef ENABLE_NOAA
if (gIsNoaaMode)
{
@ -92,14 +97,16 @@ static void APP_CheckForIncoming(void)
return;
}
// dual watch is enabled and we're RX'ing a signal
if (gRxReceptionMode != RX_MODE_NONE)
{
FUNCTION_Select(FUNCTION_INCOMING);
return;
}
gDualWatchCountdown_10ms = dual_watch_count_after_rx_10ms;
gScheduleDualWatch = false;
gDualWatchCountdown_10ms = dual_watch_count_after_rx_10ms;
gScheduleDualWatch = false;
// let the user see DW is not active
gDualWatchActive = false;
@ -127,7 +134,7 @@ static void APP_HandleIncoming(void)
bool bFlag;
if (!g_SquelchLost)
{
{ // squelch is closed
FUNCTION_Select(FUNCTION_FOREGROUND);
gUpdateDisplay = true;
return;
@ -160,15 +167,15 @@ static void APP_HandleIncoming(void)
DTMF_HandleRequest();
if (gScanState == SCAN_OFF && gCssScanMode == CSS_SCAN_MODE_OFF)
{
{ // not scanning
if (gRxVfo->DTMF_DECODING_ENABLE || gSetting_KILLED)
{
{ // DTMF is enabled
if (gDTMF_CallState == DTMF_CALL_STATE_NONE)
{
if (gRxReceptionMode == RX_MODE_DETECTED)
{
gDualWatchCountdown_10ms = dual_watch_count_after_1_10ms;
gScheduleDualWatch = false;
gScheduleDualWatch = false;
gRxReceptionMode = RX_MODE_LISTENING;
@ -398,344 +405,151 @@ static void APP_HandleFunction(void)
void APP_StartListening(FUNCTION_Type_t Function)
{
if (!gSetting_KILLED)
if (gSetting_KILLED)
return;
#ifdef ENABLE_FMRADIO
if (gFmRadioMode)
BK1080_Init(0, false);
#endif
gVFO_RSSI_Level[gEeprom.RX_CHANNEL == 0] = 0;
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = true;
BACKLIGHT_TurnOn();
if (gScanState != SCAN_OFF)
{
#ifdef ENABLE_FMRADIO
if (gFmRadioMode)
BK1080_Init(0, false);
#endif
gVFO_RSSI_Level[gEeprom.RX_CHANNEL == 0] = 0;
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = true;
BACKLIGHT_TurnOn();
if (gScanState != SCAN_OFF)
switch (gEeprom.SCAN_RESUME_MODE)
{
switch (gEeprom.SCAN_RESUME_MODE)
{
case SCAN_RESUME_TO:
if (!gScanPauseMode)
{
ScanPauseDelayIn_10ms = 500;
gScheduleScanListen = false;
gScanPauseMode = true;
}
break;
case SCAN_RESUME_CO:
case SCAN_RESUME_SE:
ScanPauseDelayIn_10ms = 0;
case SCAN_RESUME_TO:
if (!gScanPauseMode)
{
ScanPauseDelayIn_10ms = 500;
gScheduleScanListen = false;
break;
}
gScanPauseMode = true;
}
break;
bScanKeepFrequency = true;
case SCAN_RESUME_CO:
case SCAN_RESUME_SE:
ScanPauseDelayIn_10ms = 0;
gScheduleScanListen = false;
break;
}
#ifdef ENABLE_NOAA
if (IS_NOAA_CHANNEL(gRxVfo->CHANNEL_SAVE) && gIsNoaaMode)
{
gRxVfo->CHANNEL_SAVE = gNoaaChannel + NOAA_CHANNEL_FIRST;
gRxVfo->pRX->Frequency = NoaaFrequencyTable[gNoaaChannel];
gRxVfo->pTX->Frequency = NoaaFrequencyTable[gNoaaChannel];
gEeprom.ScreenChannel[gEeprom.RX_CHANNEL] = gRxVfo->CHANNEL_SAVE;
gNOAA_Countdown_10ms = 500; // 5 sec
gScheduleNOAA = false;
}
#endif
bScanKeepFrequency = true;
}
if (gCssScanMode != CSS_SCAN_MODE_OFF)
gCssScanMode = CSS_SCAN_MODE_FOUND;
if (gScanState == SCAN_OFF && gCssScanMode == CSS_SCAN_MODE_OFF && gEeprom.DUAL_WATCH != DUAL_WATCH_OFF)
#ifdef ENABLE_NOAA
if (IS_NOAA_CHANNEL(gRxVfo->CHANNEL_SAVE) && gIsNoaaMode)
{
gDualWatchCountdown_10ms = dual_watch_count_after_2_10ms;
gScheduleDualWatch = false;
gRxVfoIsActive = true;
// let the user see DW is not active
gDualWatchActive = false;
gUpdateStatus = true;
gRxVfo->CHANNEL_SAVE = gNoaaChannel + NOAA_CHANNEL_FIRST;
gRxVfo->pRX->Frequency = NoaaFrequencyTable[gNoaaChannel];
gRxVfo->pTX->Frequency = NoaaFrequencyTable[gNoaaChannel];
gEeprom.ScreenChannel[gEeprom.RX_CHANNEL] = gRxVfo->CHANNEL_SAVE;
gNOAA_Countdown_10ms = 500; // 5 sec
gScheduleNOAA = false;
}
#endif
if (gCssScanMode != CSS_SCAN_MODE_OFF)
gCssScanMode = CSS_SCAN_MODE_FOUND;
if (gScanState == SCAN_OFF && gCssScanMode == CSS_SCAN_MODE_OFF && gEeprom.DUAL_WATCH != DUAL_WATCH_OFF)
{ // not scanning, dual watch is enabled
gDualWatchCountdown_10ms = dual_watch_count_after_2_10ms;
gScheduleDualWatch = false;
gRxVfoIsActive = true;
// let the user see DW is not active
gDualWatchActive = false;
gUpdateStatus = true;
}
if (gRxVfo->IsAM)
{ // AM
const uint32_t rx_frequency = gRxVfo->pRX->Frequency;
/*
if (gRxVfo->IsAM)
{ // AM
// RX AF level
//
// REG_48 <15:12> 11 ???
//
// REG_48 <11:10> 0 AF Rx Gain-1
// 0 = 0dB
// 1 = -6dB
// 2 = -12dB
// 3 = -18dB
//
// REG_48 <9:4> 60 AF Rx Gain-2 -26dB ~ 5.5dB 0.5dB/step
// 63 = max
// 0 = min = mute
//
// REG_48 <3:0> 15 AF DAC Gain (after Gain-1 and Gain-2) approx 2dB/step
// 15 = max
// 0 = min
//
BK4819_WriteRegister(BK4819_REG_48,
#if 0
// QS calibrated RX AF gain
(11u << 12) | // ???
( 0u << 10) | // AF Rx Gain-1
(gEeprom.VOLUME_GAIN << 4) | // AF Rx Gain-2
(gEeprom.DAC_GAIN << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
#else
// max RX AF gain
(11u << 12) | // ???
( 0u << 10) | // AF Rx Gain-1
(63u << 4) | // AF Rx Gain-2
(15u << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
#endif
uint16_t lna_short; // whats "LNA SHORT" mean ?
uint16_t lna;
uint16_t mixer;
uint16_t pga;
// BK4819_WriteRegister(0x4B, BK4819_ReadRegister(0x4B) & ~(1u << 5)); // enable RX ALC
// help improve AM RX distorted audio by reducing the PGA gain (still very bad with stronge signals)
//
// I think a solution is to dynamically change these values as the RSSI moves up/down ?
// without a detailed datasheet on the chip it's difficult/impossible to fix things
//
// REG_10 <15:0> 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1)
//
// <9:8> = LNA Gain Short
// 3 = 0dB
// 2 = -11dB
// 1 = -16dB
// 0 = -19dB
//
// <7:5> = LNA Gain
// 7 = 0dB
// 6 = -2dB
// 5 = -4dB
// 4 = -6dB
// 3 = -9dB
// 2 = -14dB
// 1 = -19dB
// 0 = -24dB
//
// <4:3> = MIXER Gain
// 3 = 0dB
// 2 = -3dB
// 1 = -6dB
// 0 = -8dB
//
// <2:0> = PGA Gain
// 7 = 0dB
// 6 = -3dB
// 5 = -6dB
// 4 = -9dB
// 3 = -15dB
// 2 = -21dB
// 1 = -27dB
// 0 = -33dB
//
// LNA_SHORT .. 0dB
// LNA ........ 14dB
// MIXER ...... 0dB
// PGA ........ -15dB
//
{
uint16_t lna_short; // whats "LNA SHORT" mean ?
uint16_t lna;
uint16_t mixer;
uint16_t pga;
// seems the RX gain abrutly reduces above this frequency, why ?
if (rx_frequency <= 22640000)
{
lna_short = 3; // original
lna = 2; // original
mixer = 3; // original
pga = 3; // reduced - seems to help reduce the AM demodulation distortion
}
else
{
lna_short = 3; // original
lna = 4; // increased
mixer = 3; // original
// pga = 6; // original
pga = 7; // increased
}
BK4819_WriteRegister(BK4819_REG_13, (lna_short << 8) | (lna << 5) | (mixer << 3) | (pga << 0));
// what do these 4 other gain tables do ???
//BK4819_WriteRegister(BK4819_REG_12, 0x037B); // 000000 11 011 11 011
//BK4819_WriteRegister(BK4819_REG_11, 0x027B); // 000000 10 011 11 011
//BK4819_WriteRegister(BK4819_REG_10, 0x007A); // 000000 00 011 11 010
//BK4819_WriteRegister(BK4819_REG_14, 0x0019); // 000000 00 000 11 001
}
gNeverUsed = 0;
// the RX gain abrutly reduces above this frequency, why ?
if (rx_frequency <= 22640000)
{ // decrease front end gain = better AM demodulation
lna_short = 3; // 3 original
lna = 2; // 2 original
mixer = 3; // 3 original
pga = 3; // 6 original, 3 reduced
}
else
{ // FM
// RX AF level
//
// REG_48 <15:12> 11 ???
//
// REG_48 <11:10> 0 AF Rx Gain-1
// 0 = 0dB
// 1 = -6dB
// 2 = -12dB
// 3 = -18dB
//
// REG_48 <9:4> 60 AF Rx Gain-2 -26dB ~ 5.5dB 0.5dB/step
// 63 = max
// 0 = min = mute
//
// REG_48 <3:0> 15 AF DAC Gain (after Gain-1 and Gain-2) approx 2dB/step
// 15 = max
// 0 = min
//
BK4819_WriteRegister(BK4819_REG_48,
(11u << 12) | // ???
( 0u << 10) | // AF Rx Gain-1
(gEeprom.VOLUME_GAIN << 4) | // AF Rx Gain-2
(gEeprom.DAC_GAIN << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
// BK4819_WriteRegister(0x4B, BK4819_ReadRegister(0x4B) | (1u << 5)); // disable RX ALC
// REG_10 <15:0> 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1)
//
// <9:8> = LNA Gain Short
// 3 = 0dB
// 2 = -11dB
// 1 = -16dB
// 0 = -19dB
//
// <7:5> = LNA Gain
// 7 = 0dB
// 6 = -2dB
// 5 = -4dB
// 4 = -6dB
// 3 = -9dB
// 2 = -14dB
// 1 = -19dB
// 0 = -24dB
//
// <4:3> = MIXER Gain
// 3 = 0dB
// 2 = -3dB
// 1 = -6dB
// 0 = -8dB
//
// <2:0> = PGA Gain
// 7 = 0dB
// 6 = -3dB
// 5 = -6dB
// 4 = -9dB
// 3 = -15dB
// 2 = -21dB
// 1 = -27dB
// 0 = -33dB
//
// LNA_SHORT .. 0dB
// LNA ........ 14dB
// MIXER ...... 0dB
// PGA ........ -3dB
// LNA SHORT LNA MIXER PGA
BK4819_WriteRegister(BK4819_REG_13, (3u << 8) | (2u << 5) | (3u << 3) | (6u << 0));
{ // increasing the front end to compensate the reduced gain, but more gain decreases dynamic range
lna_short = 3; // 3 original
lna = 4; // 2 original, 4 increased
mixer = 3; // 3 original
pga = 7; // 6 original, 7 increased
}
*/
if (gRxVfo->IsAM)
{ // AM
{
uint16_t lna_short; // whats "LNA SHORT" mean ?
uint16_t lna;
uint16_t mixer;
uint16_t pga;
BK4819_WriteRegister(BK4819_REG_13, (lna_short << 8) | (lna << 5) | (mixer << 3) | (pga << 0));
// seems the RX gain abrutly reduces above this frequency, why ?
if (rx_frequency <= 22640000)
{
lna_short = 3; // original
lna = 2; // original
mixer = 3; // original
pga = 3; // reduced - seems to help reduce the AM demodulation distortion
}
else
{ // increasing the front ends gain decreases the dynamic range
lna_short = 3; // original
lna = 4; // increased
mixer = 3; // original
// pga = 6; // original
pga = 7; // increased
}
// what do these 4 other gain settings do ???
//BK4819_WriteRegister(BK4819_REG_12, 0x037B); // 000000 11 011 11 011
//BK4819_WriteRegister(BK4819_REG_11, 0x027B); // 000000 10 011 11 011
//BK4819_WriteRegister(BK4819_REG_10, 0x007A); // 000000 00 011 11 010
//BK4819_WriteRegister(BK4819_REG_14, 0x0019); // 000000 00 000 11 001
BK4819_WriteRegister(BK4819_REG_13, (lna_short << 8) | (lna << 5) | (mixer << 3) | (pga << 0));
// AF gain (max it out) - see below FM mode bit for original setting
BK4819_WriteRegister(BK4819_REG_48,
(11u << 12) | // ??? .. 0 to 15, doesn't seem to make any difference
( 0u << 10) | // AF Rx Gain-1
(63u << 4) | // AF Rx Gain-2
(15u << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
// what do these 4 other gain tables do ???
//BK4819_WriteRegister(BK4819_REG_12, 0x037B); // 000000 11 011 11 011
//BK4819_WriteRegister(BK4819_REG_11, 0x027B); // 000000 10 011 11 011
//BK4819_WriteRegister(BK4819_REG_10, 0x007A); // 000000 00 011 11 010
//BK4819_WriteRegister(BK4819_REG_14, 0x0019); // 000000 00 000 11 001
}
BK4819_WriteRegister(BK4819_REG_48,
// max RX AF gain
(11u << 12) | // ???
( 0u << 10) | // AF Rx Gain-1
(63u << 4) | // AF Rx Gain-2
(15u << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
gNeverUsed = 0;
}
else
{ // FM
uint16_t lna_short; // whats "LNA SHORT" mean ?
uint16_t lna;
uint16_t mixer;
uint16_t pga;
// original
lna_short = 3;
lna = 2;
mixer = 3;
pga = 6;
BK4819_WriteRegister(BK4819_REG_13, (lna_short << 8) | (lna << 5) | (mixer << 3) | (pga << 0));
BK4819_WriteRegister(BK4819_REG_48,
(11u << 12) | // ???
( 0u << 10) | // AF Rx Gain-1
(gEeprom.VOLUME_GAIN << 4) | // AF Rx Gain-2
(gEeprom.DAC_GAIN << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
}
#ifdef ENABLE_VOICE
if (gVoiceWriteIndex == 0)
#endif
BK4819_SetAF(gRxVfo->IsAM ? BK4819_AF_AM : BK4819_AF_OPEN);
FUNCTION_Select(Function);
#ifdef ENABLE_FMRADIO
if (Function == FUNCTION_MONITOR || gFmRadioMode)
#else
if (Function == FUNCTION_MONITOR)
#endif
{
GUI_SelectNextDisplay(DISPLAY_MAIN);
return;
}
gUpdateDisplay = true;
gNeverUsed = 0;
}
else
{ // FM
// original
const uint16_t lna_short = 3; // whats 'LNA short' mean ?
const uint16_t lna = 2;
const uint16_t mixer = 3;
const uint16_t pga = 6;
BK4819_WriteRegister(BK4819_REG_13, (lna_short << 8) | (lna << 5) | (mixer << 3) | (pga << 0));
// AF gain - original
BK4819_WriteRegister(BK4819_REG_48,
(11u << 12) | // ??? .. 0 to 15, doesn't seem to make any difference
( 0u << 10) | // AF Rx Gain-1
(gEeprom.VOLUME_GAIN << 4) | // AF Rx Gain-2
(gEeprom.DAC_GAIN << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
}
#ifdef ENABLE_VOICE
if (gVoiceWriteIndex == 0)
#endif
BK4819_SetAF(gRxVfo->IsAM ? BK4819_AF_AM : BK4819_AF_OPEN);
FUNCTION_Select(Function);
#ifdef ENABLE_FMRADIO
if (Function == FUNCTION_MONITOR || gFmRadioMode)
#else
if (Function == FUNCTION_MONITOR)
#endif
{ // squelch is disabled
GUI_SelectNextDisplay(DISPLAY_MAIN);
return;
}
gUpdateDisplay = true;
}
void APP_SetFrequencyByStep(VFO_Info_t *pInfo, int8_t Step)
@ -851,7 +665,7 @@ static void DUALWATCH_Alternate(void)
if (gIsNoaaMode)
{
if (IS_NOT_NOAA_CHANNEL(gEeprom.ScreenChannel[0]) || IS_NOT_NOAA_CHANNEL(gEeprom.ScreenChannel[1]))
gEeprom.RX_CHANNEL = 1 - gEeprom.RX_CHANNEL;
gEeprom.RX_CHANNEL = (gEeprom.RX_CHANNEL + 1) & 1;
else
gEeprom.RX_CHANNEL = 0;
@ -863,7 +677,7 @@ static void DUALWATCH_Alternate(void)
else
#endif
{ // toggle between VFO's
gEeprom.RX_CHANNEL = (1 - gEeprom.RX_CHANNEL) & 1;
gEeprom.RX_CHANNEL = (gEeprom.RX_CHANNEL + 1) & 1;
gRxVfo = &gEeprom.VfoInfo[gEeprom.RX_CHANNEL];
if (!gDualWatchActive)
@ -965,8 +779,8 @@ void APP_CheckRadioInterrupts(void)
{
if (gCurrentFunction == FUNCTION_POWER_SAVE && !gRxIdleMode)
{
gBatterySave_10ms = 20; // 200ms
gBatterySaveCountdownExpired = 0;
gPowerSave_10ms = power_save2_10ms;
gPowerSaveCountdownExpired = 0;
}
if (gEeprom.DUAL_WATCH != DUAL_WATCH_OFF && (gScheduleDualWatch || gDualWatchCountdown_10ms < dual_watch_count_after_vox_10ms))
@ -1124,16 +938,14 @@ void APP_Update(void)
#endif
if (gCurrentFunction == FUNCTION_TRANSMIT && gTxTimeoutReached)
{
{ // transmitting, but just timed out
gTxTimeoutReached = false;
gFlagEndTransmission = true;
APP_EndTransmission();
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP);
RADIO_SetVfoState(VFO_STATE_TIMEOUT);
GUI_DisplayScreen();
}
@ -1291,17 +1103,18 @@ void APP_Update(void)
{
FUNCTION_Select(FUNCTION_POWER_SAVE);
}
gSchedulePowerSave = false;
#endif
}
#ifdef ENABLE_VOICE
if (gBatterySaveCountdownExpired && gCurrentFunction == FUNCTION_POWER_SAVE && gVoiceWriteIndex == 0)
if (gPowerSaveCountdownExpired && gCurrentFunction == FUNCTION_POWER_SAVE && gVoiceWriteIndex == 0)
#else
if (gBatterySaveCountdownExpired && gCurrentFunction == FUNCTION_POWER_SAVE)
if (gPowerSaveCountdownExpired && gCurrentFunction == FUNCTION_POWER_SAVE)
#endif
{
{ // wake up, enable RX then go back to sleep
if (gRxIdleMode)
{
BK4819_Conditional_RX_TurnOn_and_GPIO6_Enable();
@ -1310,25 +1123,29 @@ void APP_Update(void)
BK4819_EnableVox(gEeprom.VOX1_THRESHOLD, gEeprom.VOX0_THRESHOLD);
if (gEeprom.DUAL_WATCH != DUAL_WATCH_OFF && gScanState == SCAN_OFF && gCssScanMode == CSS_SCAN_MODE_OFF)
{
DUALWATCH_Alternate(); // toggle between the two VFO's
{ // dual watch mode, toggle between the two VFO's
DUALWATCH_Alternate();
gUpdateRSSI = false;
}
FUNCTION_Init();
gBatterySave_10ms = 10; // 100ms
gRxIdleMode = false;
gPowerSave_10ms = power_save1_10ms; // come back here in a bit
gRxIdleMode = false; // RX is awake
}
else
if (gEeprom.DUAL_WATCH == DUAL_WATCH_OFF || gScanState != SCAN_OFF || gCssScanMode != CSS_SCAN_MODE_OFF || gUpdateRSSI)
{
{ // dual watch mode, go back to sleep
// sample the RSSI
gCurrentRSSI = BK4819_GetRSSI();
UI_UpdateRSSI(gCurrentRSSI);
gBatterySave_10ms = gEeprom.BATTERY_SAVE * 10;
gRxIdleMode = true;
// go back to sleep
gPowerSave_10ms = gEeprom.BATTERY_SAVE * 10;
gRxIdleMode = true;
BK4819_DisableVox();
BK4819_Sleep();
@ -1338,14 +1155,16 @@ void APP_Update(void)
}
else
{
DUALWATCH_Alternate(); // toggle between the two VFO's
{ // no yet in power save mode
gUpdateRSSI = true;
gBatterySave_10ms = 10; // 100ms
// toggle between the two VFO's
DUALWATCH_Alternate();
gUpdateRSSI = true;
gPowerSave_10ms = power_save1_10ms;
}
gBatterySaveCountdownExpired = false;
gPowerSaveCountdownExpired = false;
}
}
@ -1495,6 +1314,130 @@ void APP_CheckKeys(void)
}
}
#ifdef ENABLE_AM_AGC_GAIN
void adjustAMFrontEnd10ms(void)
{
if (!gRxVfo->IsAM)
return; // FM
switch (gCurrentFunction)
{
case FUNCTION_TRANSMIT:
case FUNCTION_BAND_SCOPE:
case FUNCTION_POWER_SAVE:
return;
case FUNCTION_FOREGROUND:
case FUNCTION_RECEIVE:
case FUNCTION_MONITOR:
case FUNCTION_INCOMING:
break;
}
// AM
// REG_10 <15:0> 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1)
//
// <9:8> = LNA Gain Short
// 3 = 0dB
// 2 = -11dB
// 1 = -16dB
// 0 = -19dB
//
// <7:5> = LNA Gain
// 7 = 0dB
// 6 = -2dB
// 5 = -4dB
// 4 = -6dB
// 3 = -9dB
// 2 = -14dB
// 1 = -19dB
// 0 = -24dB
//
// <4:3> = MIXER Gain
// 3 = 0dB
// 2 = -3dB
// 1 = -6dB
// 0 = -8dB
//
// <2:0> = PGA Gain
// 7 = 0dB
// 6 = -3dB
// 5 = -6dB
// 4 = -9dB
// 3 = -15dB
// 2 = -21dB
// 1 = -27dB
// 0 = -33dB
//
// LNA_SHORT .. 0dB
// LNA ........ 14dB
// MIXER ...... 0dB
// PGA ........ -3dB
// original settings
static uint16_t lna_short = 3;
static uint16_t lna = 2;
static uint16_t mixer = 3;
static uint16_t pga = 6;
static unsigned int counter = 0;
static unsigned int avg_rssi = 0;
register uint16_t new_lna_short = lna_short;
register uint16_t new_lna = lna;
register uint16_t new_mixer = mixer;
register uint16_t new_pga = pga;
{
const uint16_t desired_rssi = (-86 + 160) * 2; // -86dBm
gCurrentRSSI = BK4819_GetRSSI();
avg_rssi += gCurrentRSSI;
if (++counter < 16) // 160ms
return;
avg_rssi /= counter;
counter = 0;
if (avg_rssi < (desired_rssi - 4))
{ // increase gain
if (new_pga < 7)
new_pga++;
else
if (new_mixer < 3)
new_mixer++;
else
if (new_lna < 7)
new_lna++;
}
else
if (avg_rssi > (desired_rssi + 4))
{ // decrease gain
if (new_pga > 0)
new_pga--;
else
if (new_mixer > 0)
new_mixer--;
else
if (new_lna > 0)
new_lna--;
}
}
if (lna_short == new_lna_short && lna == new_lna && mixer == new_mixer && pga == new_pga)
return; // no change
lna_short = new_lna_short;
lna = new_lna;
mixer = new_mixer;
pga = new_pga;
BK4819_WriteRegister(BK4819_REG_13, (lna_short << 8) | (lna << 5) | (mixer << 3) | (pga << 0));
}
#endif
void APP_TimeSlice10ms(void)
{
gFlashLightBlinkCounter++;
@ -1505,6 +1448,11 @@ void APP_TimeSlice10ms(void)
AUDIO_PlayBeep(BEEP_880HZ_40MS_OPTIONAL);
#endif
#ifdef ENABLE_AM_AGC_GAIN
if (gSetting_AM_fix)
adjustAMFrontEnd10ms();
#endif
if (UART_IsCommandAvailable())
{
__disable_irq();
@ -1931,7 +1879,8 @@ void APP_TimeSlice500ms(void)
UI_DisplayBattery(gLowBatteryCountdown);
if (gCurrentFunction != FUNCTION_TRANSMIT)
{
{ // not transmitting
if (gLowBatteryCountdown < 30)
{
if (gLowBatteryCountdown == 29 && !gChargingWithTypeC)
@ -1942,7 +1891,8 @@ void APP_TimeSlice500ms(void)
gLowBatteryCountdown = 0;
if (!gChargingWithTypeC)
{
{ // not on charge
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP);
#ifdef ENABLE_VOICE
@ -1961,7 +1911,7 @@ void APP_TimeSlice500ms(void)
ST7565_Configure_GPIO_B11();
//if (gEeprom.BACKLIGHT < (ARRAY_SIZE(gSubMenu_BACKLIGHT) - 1))
if (gEeprom.BACKLIGHT < (ARRAY_SIZE(gSubMenu_BACKLIGHT) - 1))
GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BACKLIGHT); // turn the backlight off
}
#ifdef ENABLE_VOICE

17
app/menu.c
View File

@ -186,6 +186,9 @@ int MENU_GetLimits(uint8_t Cursor, int32_t *pMin, int32_t *pMax)
case MENU_D_DCD:
case MENU_D_LIVE_DEC:
case MENU_AM:
#ifdef ENABLE_AM_AGC_GAIN
case MENU_AM_FIX:
#endif
#ifdef ENABLE_NOAA
case MENU_NOAA_S:
#endif
@ -606,6 +609,14 @@ void MENU_AcceptSetting(void)
gRequestSaveChannel = 2;
return;
#ifdef ENABLE_AM_AGC_GAIN
case MENU_AM_FIX:
gSetting_AM_fix = gSubMenuSelection;
gVfoConfigureMode = VFO_CONFIGURE_RELOAD;
gFlagResetVfos = true;
break;
#endif
#ifdef ENABLE_NOAA
case MENU_NOAA_S:
gEeprom.NOAA_AUTO_SCAN = gSubMenuSelection;
@ -976,6 +987,12 @@ void MENU_ShowCurrentSetting(void)
gSubMenuSelection = gTxVfo->AM_CHANNEL_MODE;
break;
#ifdef ENABLE_AM_AGC_GAIN
case MENU_AM_FIX:
gSubMenuSelection = gSetting_AM_fix;
break;
#endif
#ifdef ENABLE_NOAA
case MENU_NOAA_S:
gSubMenuSelection = gEeprom.NOAA_AUTO_SCAN;