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uv-k5-firmware-custom/app/app.c

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/* Copyright 2023 Dual Tachyon
* https://github.com/DualTachyon
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string.h>
#include "app/action.h"
#ifdef ENABLE_AIRCOPY
#include "app/aircopy.h"
#endif
#include "app/app.h"
#include "app/dtmf.h"
#ifdef ENABLE_FMRADIO
#include "app/fm.h"
#endif
#include "app/generic.h"
#include "app/main.h"
#include "app/menu.h"
#include "app/scanner.h"
#include "app/uart.h"
#include "ARMCM0.h"
#include "audio.h"
#include "board.h"
#include "bsp/dp32g030/gpio.h"
#include "driver/backlight.h"
#ifdef ENABLE_FMRADIO
#include "driver/bk1080.h"
#endif
#include "driver/bk4819.h"
#include "driver/gpio.h"
#include "driver/keyboard.h"
#include "driver/st7565.h"
#include "driver/system.h"
#include "dtmf.h"
#include "external/printf/printf.h"
#include "frequencies.h"
#include "functions.h"
#include "helper/battery.h"
#include "misc.h"
#include "radio.h"
#include "settings.h"
#if defined(ENABLE_OVERLAY)
#include "sram-overlay.h"
#endif
#include "ui/battery.h"
#include "ui/inputbox.h"
#include "ui/menu.h"
#include "ui/rssi.h"
#include "ui/status.h"
#include "ui/ui.h"
static void APP_ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld);
static void APP_CheckForIncoming(void)
{
if (!g_SquelchLost)
return;
if (gScanState == SCAN_OFF)
{
if (gCssScanMode != CSS_SCAN_MODE_OFF && gRxReceptionMode == RX_MODE_NONE)
{
ScanPauseDelayIn_10ms = 100; // 1 second
gScheduleScanListen = false;
gRxReceptionMode = RX_MODE_DETECTED;
}
if (gEeprom.DUAL_WATCH == DUAL_WATCH_OFF)
{
#ifdef ENABLE_NOAA
if (gIsNoaaMode)
{
gNOAA_Countdown_10ms = 20; // 200ms
gScheduleNOAA = false;
}
#endif
FUNCTION_Select(FUNCTION_INCOMING);
return;
}
if (gRxReceptionMode != RX_MODE_NONE)
{
FUNCTION_Select(FUNCTION_INCOMING);
return;
}
gDualWatchCountdown_10ms = dual_watch_count_after_rx_10ms;
gScheduleDualWatch = false;
// let the user see DW is not active
gDualWatchActive = false;
gUpdateStatus = true;
}
else
{
if (gRxReceptionMode != RX_MODE_NONE)
{
FUNCTION_Select(FUNCTION_INCOMING);
return;
}
ScanPauseDelayIn_10ms = 20; // 200ms
gScheduleScanListen = false;
}
gRxReceptionMode = RX_MODE_DETECTED;
FUNCTION_Select(FUNCTION_INCOMING);
}
static void APP_HandleIncoming(void)
{
bool bFlag;
if (!g_SquelchLost)
{
FUNCTION_Select(FUNCTION_FOREGROUND);
gUpdateDisplay = true;
return;
}
bFlag = (gScanState == SCAN_OFF && gCurrentCodeType == CODE_TYPE_OFF);
#ifdef ENABLE_NOAA
if (IS_NOAA_CHANNEL(gRxVfo->CHANNEL_SAVE) && gNOAACountdown_10ms > 0)
{
gNOAACountdown_10ms = 0;
bFlag = true;
}
#endif
if (g_CTCSS_Lost && gCurrentCodeType == CODE_TYPE_CONTINUOUS_TONE)
{
bFlag = true;
gFoundCTCSS = false;
}
if (g_CDCSS_Lost && gCDCSSCodeType == CDCSS_POSITIVE_CODE && (gCurrentCodeType == CODE_TYPE_DIGITAL || gCurrentCodeType == CODE_TYPE_REVERSE_DIGITAL))
{
gFoundCDCSS = false;
}
else
if (!bFlag)
return;
DTMF_HandleRequest();
if (gScanState == SCAN_OFF && gCssScanMode == CSS_SCAN_MODE_OFF)
{
if (gRxVfo->DTMF_DECODING_ENABLE || gSetting_KILLED)
{
if (gDTMF_CallState == DTMF_CALL_STATE_NONE)
{
if (gRxReceptionMode == RX_MODE_DETECTED)
{
gDualWatchCountdown_10ms = dual_watch_count_after_1_10ms;
gScheduleDualWatch = false;
gRxReceptionMode = RX_MODE_LISTENING;
// let the user see DW is not active
gDualWatchActive = false;
gUpdateStatus = true;
return;
}
}
}
}
APP_StartListening(FUNCTION_RECEIVE);
}
static void APP_HandleReceive(void)
{
#define END_OF_RX_MODE_SKIP 0
#define END_OF_RX_MODE_END 1
#define END_OF_RX_MODE_TTE 2
uint8_t Mode = END_OF_RX_MODE_SKIP;
if (gFlagTailNoteEliminationComplete)
{
Mode = END_OF_RX_MODE_END;
goto Skip;
}
if (gScanState != SCAN_OFF && IS_FREQ_CHANNEL(gNextMrChannel))
{
if (g_SquelchLost)
return;
Mode = END_OF_RX_MODE_END;
goto Skip;
}
switch (gCurrentCodeType)
{
default:
case CODE_TYPE_OFF:
break;
case CODE_TYPE_CONTINUOUS_TONE:
if (gFoundCTCSS && gFoundCTCSSCountdown_10ms == 0)
{
gFoundCTCSS = false;
gFoundCDCSS = false;
Mode = END_OF_RX_MODE_END;
goto Skip;
}
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
if (gFoundCDCSS && gFoundCDCSSCountdown_10ms == 0)
{
gFoundCTCSS = false;
gFoundCDCSS = false;
Mode = END_OF_RX_MODE_END;
goto Skip;
}
break;
}
if (g_SquelchLost)
{
#ifdef ENABLE_NOAA
if (!gEndOfRxDetectedMaybe && IS_NOT_NOAA_CHANNEL(gRxVfo->CHANNEL_SAVE))
#else
if (!gEndOfRxDetectedMaybe)
#endif
{
switch (gCurrentCodeType)
{
case CODE_TYPE_OFF:
if (gEeprom.SQUELCH_LEVEL)
{
if (g_CxCSS_TAIL_Found)
{
Mode = END_OF_RX_MODE_TTE;
g_CxCSS_TAIL_Found = false;
}
}
break;
case CODE_TYPE_CONTINUOUS_TONE:
if (g_CTCSS_Lost)
{
gFoundCTCSS = false;
}
else
if (!gFoundCTCSS)
{
gFoundCTCSS = true;
gFoundCTCSSCountdown_10ms = 100; // 1 sec
}
if (g_CxCSS_TAIL_Found)
{
Mode = END_OF_RX_MODE_TTE;
g_CxCSS_TAIL_Found = false;
}
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
if (g_CDCSS_Lost && gCDCSSCodeType == CDCSS_POSITIVE_CODE)
{
gFoundCDCSS = false;
}
else
if (!gFoundCDCSS)
{
gFoundCDCSS = true;
gFoundCDCSSCountdown_10ms = 100; // 1 sec
}
if (g_CxCSS_TAIL_Found)
{
if (BK4819_GetCTCType() == 1)
Mode = END_OF_RX_MODE_TTE;
g_CxCSS_TAIL_Found = false;
}
break;
}
}
}
else
Mode = END_OF_RX_MODE_END;
if (!gEndOfRxDetectedMaybe &&
Mode == END_OF_RX_MODE_SKIP &&
gNextTimeslice40ms &&
gEeprom.TAIL_NOTE_ELIMINATION &&
(gCurrentCodeType == CODE_TYPE_DIGITAL || gCurrentCodeType == CODE_TYPE_REVERSE_DIGITAL) &&
BK4819_GetCTCType() == 1)
Mode = END_OF_RX_MODE_TTE;
else
gNextTimeslice40ms = false;
Skip:
switch (Mode)
{
case END_OF_RX_MODE_SKIP:
break;
case END_OF_RX_MODE_END:
RADIO_SetupRegisters(true);
#ifdef ENABLE_NOAA
if (IS_NOAA_CHANNEL(gRxVfo->CHANNEL_SAVE))
gNOAACountdown_10ms = 300; // 3 sec
#endif
gUpdateDisplay = true;
if (gScanState != SCAN_OFF)
{
switch (gEeprom.SCAN_RESUME_MODE)
{
case SCAN_RESUME_TO:
break;
case SCAN_RESUME_CO:
ScanPauseDelayIn_10ms = 360;
gScheduleScanListen = false;
break;
case SCAN_RESUME_SE:
SCANNER_Stop();
break;
}
}
break;
case END_OF_RX_MODE_TTE:
if (gEeprom.TAIL_NOTE_ELIMINATION)
{
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gTailNoteEliminationCountdown_10ms = 20;
gFlagTailNoteEliminationComplete = false;
gEndOfRxDetectedMaybe = true;
gEnableSpeaker = false;
}
break;
}
}
static void APP_HandleFunction(void)
{
switch (gCurrentFunction)
{
case FUNCTION_FOREGROUND:
APP_CheckForIncoming();
break;
case FUNCTION_TRANSMIT:
break;
case FUNCTION_MONITOR:
break;
case FUNCTION_INCOMING:
APP_HandleIncoming();
break;
case FUNCTION_RECEIVE:
APP_HandleReceive();
break;
case FUNCTION_POWER_SAVE:
if (!gRxIdleMode)
APP_CheckForIncoming();
break;
}
}
void APP_StartListening(FUNCTION_Type_t Function)
{
if (!gSetting_KILLED)
{
#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)
{
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;
gScheduleScanListen = false;
break;
}
bScanKeepFrequency = true;
}
#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
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)
{
gDualWatchCountdown_10ms = dual_watch_count_after_2_10ms;
gScheduleDualWatch = false;
gRxVfoIsActive = true;
// let the user see DW is not active
gDualWatchActive = false;
gUpdateStatus = true;
}
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
// 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;
}
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));
}
*/
if (gRxVfo->IsAM)
{ // AM
{
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
}
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
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;
}
}
void APP_SetFrequencyByStep(VFO_Info_t *pInfo, int8_t Step)
{
uint32_t Frequency = pInfo->ConfigRX.Frequency + (Step * pInfo->StepFrequency);
if (pInfo->StepFrequency == 833)
{
const uint32_t Lower = LowerLimitFrequencyBandTable[pInfo->Band];
const uint32_t Delta = Frequency - Lower;
uint32_t Base = (Delta / 2500) * 2500;
const uint32_t Index = ((Delta - Base) % 2500) / 833;
if (Index == 2)
Base++;
Frequency = Lower + Base + (Index * 833);
}
if (Frequency > UpperLimitFrequencyBandTable[pInfo->Band])
Frequency = LowerLimitFrequencyBandTable[pInfo->Band];
else
if (Frequency < LowerLimitFrequencyBandTable[pInfo->Band])
Frequency = FREQUENCY_FloorToStep(UpperLimitFrequencyBandTable[pInfo->Band], pInfo->StepFrequency, LowerLimitFrequencyBandTable[pInfo->Band]);
pInfo->ConfigRX.Frequency = Frequency;
}
static void FREQ_NextChannel(void)
{
APP_SetFrequencyByStep(gRxVfo, gScanState);
RADIO_ApplyOffset(gRxVfo);
RADIO_ConfigureSquelchAndOutputPower(gRxVfo);
RADIO_SetupRegisters(true);
gUpdateDisplay = true;
ScanPauseDelayIn_10ms = 10;
bScanKeepFrequency = false;
}
static void MR_NextChannel(void)
{
uint8_t Ch;
uint8_t Ch1 = gEeprom.SCANLIST_PRIORITY_CH1[gEeprom.SCAN_LIST_DEFAULT];
uint8_t Ch2 = gEeprom.SCANLIST_PRIORITY_CH2[gEeprom.SCAN_LIST_DEFAULT];
uint8_t PreviousCh = gNextMrChannel;
bool bEnabled = gEeprom.SCAN_LIST_ENABLED[gEeprom.SCAN_LIST_DEFAULT];
if (bEnabled)
{
if (gCurrentScanList == 0)
{
gPreviousMrChannel = gNextMrChannel;
if (RADIO_CheckValidChannel(Ch1, false, 0))
gNextMrChannel = Ch1;
else
gCurrentScanList = 1;
}
if (gCurrentScanList == 1)
{
if (RADIO_CheckValidChannel(Ch2, false, 0))
gNextMrChannel = Ch2;
else
gCurrentScanList = 2;
}
if (gCurrentScanList == 2)
gNextMrChannel = gPreviousMrChannel;
else
goto Skip;
}
Ch = RADIO_FindNextChannel(gNextMrChannel + gScanState, gScanState, true, gEeprom.SCAN_LIST_DEFAULT);
if (Ch == 0xFF)
return;
gNextMrChannel = Ch;
Skip:
if (PreviousCh != gNextMrChannel)
{
gEeprom.MrChannel[gEeprom.RX_CHANNEL] = gNextMrChannel;
gEeprom.ScreenChannel[gEeprom.RX_CHANNEL] = gNextMrChannel;
RADIO_ConfigureChannel(gEeprom.RX_CHANNEL, 2);
RADIO_SetupRegisters(true);
gUpdateDisplay = true;
}
ScanPauseDelayIn_10ms = 20;
bScanKeepFrequency = false;
if (bEnabled)
if (++gCurrentScanList >= 2)
gCurrentScanList = 0;
}
#ifdef ENABLE_NOAA
static void NOAA_IncreaseChannel(void)
{
if (++gNoaaChannel > 9)
gNoaaChannel = 0;
}
#endif
static void DUALWATCH_Alternate(void)
{
#ifdef ENABLE_NOAA
if (gIsNoaaMode)
{
if (IS_NOT_NOAA_CHANNEL(gEeprom.ScreenChannel[0]) || IS_NOT_NOAA_CHANNEL(gEeprom.ScreenChannel[1]))
gEeprom.RX_CHANNEL = 1 - gEeprom.RX_CHANNEL;
else
gEeprom.RX_CHANNEL = 0;
gRxVfo = &gEeprom.VfoInfo[gEeprom.RX_CHANNEL];
if (gEeprom.VfoInfo[0].CHANNEL_SAVE >= NOAA_CHANNEL_FIRST)
NOAA_IncreaseChannel();
}
else
#endif
{ // toggle between VFO's
gEeprom.RX_CHANNEL = (1 - gEeprom.RX_CHANNEL) & 1;
gRxVfo = &gEeprom.VfoInfo[gEeprom.RX_CHANNEL];
if (!gDualWatchActive)
{ // let the user see DW is active
gDualWatchActive = true;
gUpdateStatus = true;
}
}
RADIO_SetupRegisters(false);
#ifdef ENABLE_NOAA
gDualWatchCountdown_10ms = gIsNoaaMode ? dual_watch_count_noaa_10ms : dual_watch_count_toggle_10ms;
#else
gDualWatchCountdown_10ms = dual_watch_count_toggle_10ms;
#endif
}
void APP_CheckRadioInterrupts(void)
{
if (gScreenToDisplay == DISPLAY_SCANNER)
return;
while (BK4819_ReadRegister(BK4819_REG_0C) & 1u)
{ // BK chip interrupt request
uint16_t interrupt_status_bits;
// reset the interrupt ?
BK4819_WriteRegister(BK4819_REG_02, 0);
// fetch the interrupt status bits
interrupt_status_bits = BK4819_ReadRegister(BK4819_REG_02);
// 0 = no phase shift
// 1 = 120deg phase shift
// 2 = 180deg phase shift
// 3 = 240deg phase shift
// const uint8_t ctcss_shift = BK4819_GetCTCShift();
// if (ctcss_shift > 0)
// g_CTCSS_Lost = true;
if (interrupt_status_bits & BK4819_REG_02_DTMF_5TONE_FOUND)
{ // save the new DTMF RX'ed character
// fetch the RX'ed char
const char c = DTMF_GetCharacter(BK4819_GetDTMF_5TONE_Code());
if (c != 0xff)
{
gDTMF_RequestPending = true;
gDTMF_RecvTimeout = DTMF_RX_timeout_500ms;
// shift the RX buffer down one - if need be
if (gDTMF_WriteIndex >= sizeof(gDTMF_Received))
memmove(gDTMF_Received, &gDTMF_Received[1], gDTMF_WriteIndex-- - 1);
gDTMF_Received[gDTMF_WriteIndex++] = c;
if (gCurrentFunction == FUNCTION_RECEIVE)
{
#ifdef ENABLE_DTMF_DECODER
gDTMF_RecvTimeoutSaved = DTMF_RX_timeout_saved_500ms;
size_t len = strlen(gDTMF_ReceivedSaved);
// shift the RX buffer down one - if need be
if (len >= (sizeof(gDTMF_ReceivedSaved) - 1))
memmove(gDTMF_ReceivedSaved, &gDTMF_ReceivedSaved[1], len--);
gDTMF_ReceivedSaved[len++] = c;
gDTMF_ReceivedSaved[len] = '\0';
gUpdateDisplay = true;
#endif
DTMF_HandleRequest();
}
}
}
if (interrupt_status_bits & BK4819_REG_02_CxCSS_TAIL)
g_CxCSS_TAIL_Found = true;
if (interrupt_status_bits & BK4819_REG_02_CDCSS_LOST)
{
g_CDCSS_Lost = true;
gCDCSSCodeType = BK4819_GetCDCSSCodeType();
}
if (interrupt_status_bits & BK4819_REG_02_CDCSS_FOUND)
g_CDCSS_Lost = false;
if (interrupt_status_bits & BK4819_REG_02_CTCSS_LOST)
g_CTCSS_Lost = true;
if (interrupt_status_bits & BK4819_REG_02_CTCSS_FOUND)
g_CTCSS_Lost = false;
if (interrupt_status_bits & BK4819_REG_02_VOX_LOST)
{
g_VOX_Lost = true;
gVoxPauseCountdown = 10;
if (gEeprom.VOX_SWITCH)
{
if (gCurrentFunction == FUNCTION_POWER_SAVE && !gRxIdleMode)
{
gBatterySave_10ms = 20; // 200ms
gBatterySaveCountdownExpired = 0;
}
if (gEeprom.DUAL_WATCH != DUAL_WATCH_OFF && (gScheduleDualWatch || gDualWatchCountdown_10ms < dual_watch_count_after_vox_10ms))
{
gDualWatchCountdown_10ms = dual_watch_count_after_vox_10ms;
gScheduleDualWatch = false;
// let the user see DW is not active
gDualWatchActive = false;
gUpdateStatus = true;
}
}
}
if (interrupt_status_bits & BK4819_REG_02_VOX_FOUND)
{
g_VOX_Lost = false;
gVoxPauseCountdown = 0;
}
if (interrupt_status_bits & BK4819_REG_02_SQUELCH_LOST)
{
g_SquelchLost = true;
BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_GREEN, true);
}
if (interrupt_status_bits & BK4819_REG_02_SQUELCH_FOUND)
{
g_SquelchLost = false;
BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_GREEN, false);
}
#ifdef ENABLE_AIRCOPY
if (interrupt_status_bits & BK4819_REG_02_FSK_FIFO_ALMOST_FULL &&
gScreenToDisplay == DISPLAY_AIRCOPY &&
gAircopyState == AIRCOPY_TRANSFER &&
gAirCopyIsSendMode == 0)
{
unsigned int i;
for (i = 0; i < 4; i++)
g_FSK_Buffer[gFSKWriteIndex++] = BK4819_ReadRegister(BK4819_REG_5F);
AIRCOPY_StorePacket();
}
#endif
}
}
void APP_EndTransmission(void)
{ // back to RX mode
RADIO_SendEndOfTransmission();
if (gCurrentVfo->pTX->CodeType != CODE_TYPE_OFF)
{ // CTCSS/DCS is enabled
//if (gEeprom.TAIL_NOTE_ELIMINATION && gEeprom.REPEATER_TAIL_TONE_ELIMINATION > 0)
if (gEeprom.TAIL_NOTE_ELIMINATION)
{ // send the CTCSS/DCS tail tone - allows the receivers to mute the usual FM squelch tail/crash
RADIO_EnableCxCSS();
}
#if 0
else
{ // TX a short blank carrier
// this gives the receivers time to mute RX audio before we drop carrier
BK4819_ExitSubAu();
SYSTEM_DelayMs(200);
}
#endif
}
RADIO_SetupRegisters(false);
}
static void APP_HandleVox(void)
{
if (!gSetting_KILLED)
{
if (gVoxResumeCountdown == 0)
{
if (gVoxPauseCountdown)
return;
}
else
{
g_VOX_Lost = false;
gVoxPauseCountdown = 0;
}
if (gCurrentFunction != FUNCTION_RECEIVE &&
gCurrentFunction != FUNCTION_MONITOR &&
gScanState == SCAN_OFF &&
gCssScanMode == CSS_SCAN_MODE_OFF
#ifdef ENABLE_FMRADIO
&& !gFmRadioMode
#endif
)
{
if (gVOX_NoiseDetected)
{
if (g_VOX_Lost)
gVoxStopCountdown_10ms = 100; // 1 sec
else
if (gVoxStopCountdown_10ms == 0)
gVOX_NoiseDetected = false;
if (gCurrentFunction == FUNCTION_TRANSMIT && !gPttIsPressed && !gVOX_NoiseDetected)
{
if (gFlagEndTransmission)
{
FUNCTION_Select(FUNCTION_FOREGROUND);
}
else
{
APP_EndTransmission();
if (gEeprom.REPEATER_TAIL_TONE_ELIMINATION == 0)
FUNCTION_Select(FUNCTION_FOREGROUND);
else
gRTTECountdown = gEeprom.REPEATER_TAIL_TONE_ELIMINATION * 10;
}
gUpdateDisplay = true;
gFlagEndTransmission = false;
return;
}
}
else
if (g_VOX_Lost)
{
gVOX_NoiseDetected = true;
if (gCurrentFunction == FUNCTION_POWER_SAVE)
FUNCTION_Select(FUNCTION_FOREGROUND);
if (gCurrentFunction != FUNCTION_TRANSMIT)
{
gDTMF_ReplyState = DTMF_REPLY_NONE;
RADIO_PrepareTX();
gUpdateDisplay = true;
}
}
}
}
}
void APP_Update(void)
{
#ifdef ENABLE_VOICE
if (gFlagPlayQueuedVoice)
{
AUDIO_PlayQueuedVoice();
gFlagPlayQueuedVoice = false;
}
#endif
if (gCurrentFunction == FUNCTION_TRANSMIT && gTxTimeoutReached)
{
gTxTimeoutReached = false;
gFlagEndTransmission = true;
APP_EndTransmission();
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP);
RADIO_SetVfoState(VFO_STATE_TIMEOUT);
GUI_DisplayScreen();
}
if (gReducedService)
return;
if (gCurrentFunction != FUNCTION_TRANSMIT)
APP_HandleFunction();
#ifdef ENABLE_FMRADIO
if (gFmRadioCountdown_500ms > 0)
return;
#endif
#ifdef ENABLE_VOICE
if (gScreenToDisplay != DISPLAY_SCANNER && gScanState != SCAN_OFF && gScheduleScanListen && !gPttIsPressed && gVoiceWriteIndex == 0)
#else
if (gScreenToDisplay != DISPLAY_SCANNER && gScanState != SCAN_OFF && gScheduleScanListen && !gPttIsPressed)
#endif
{
if (IS_FREQ_CHANNEL(gNextMrChannel))
{
if (gCurrentFunction == FUNCTION_INCOMING)
APP_StartListening(FUNCTION_RECEIVE);
else
FREQ_NextChannel();
}
else
{
if (gCurrentCodeType == CODE_TYPE_OFF && gCurrentFunction == FUNCTION_INCOMING)
APP_StartListening(FUNCTION_RECEIVE);
else
MR_NextChannel();
}
gScanPauseMode = false;
gRxReceptionMode = RX_MODE_NONE;
gScheduleScanListen = false;
}
#ifdef ENABLE_VOICE
if (gCssScanMode == CSS_SCAN_MODE_SCANNING && gScheduleScanListen && gVoiceWriteIndex == 0)
#else
if (gCssScanMode == CSS_SCAN_MODE_SCANNING && gScheduleScanListen)
#endif
{
MENU_SelectNextCode();
gScheduleScanListen = false;
}
#ifdef ENABLE_NOAA
#ifdef ENABLE_VOICE
if (gEeprom.DUAL_WATCH == DUAL_WATCH_OFF && gIsNoaaMode && gScheduleNOAA && gVoiceWriteIndex == 0)
#else
if (gEeprom.DUAL_WATCH == DUAL_WATCH_OFF && gIsNoaaMode && gScheduleNOAA)
#endif
{
NOAA_IncreaseChannel();
RADIO_SetupRegisters(false);
gNOAA_Countdown_10ms = 7; // 70ms
gScheduleNOAA = false;
}
#endif
// toggle between the VFO's if dual watch is enabled
if (gScreenToDisplay != DISPLAY_SCANNER && gEeprom.DUAL_WATCH != DUAL_WATCH_OFF)
{
#ifdef ENABLE_VOICE
if (gScheduleDualWatch && gVoiceWriteIndex == 0)
#else
if (gScheduleDualWatch)
#endif
{
if (gScanState == SCAN_OFF && gCssScanMode == CSS_SCAN_MODE_OFF)
{
if (!gPttIsPressed &&
#ifdef ENABLE_FMRADIO
!gFmRadioMode &&
#endif
gDTMF_CallState == DTMF_CALL_STATE_NONE &&
gCurrentFunction != FUNCTION_POWER_SAVE)
{
DUALWATCH_Alternate(); // toggle between the two VFO's
if (gRxVfoIsActive && gScreenToDisplay == DISPLAY_MAIN)
GUI_SelectNextDisplay(DISPLAY_MAIN);
gRxVfoIsActive = false;
gScanPauseMode = false;
gRxReceptionMode = RX_MODE_NONE;
gScheduleDualWatch = false;
}
}
}
}
#ifdef ENABLE_FMRADIO
if (gScheduleFM &&
gFM_ScanState != FM_SCAN_OFF &&
gCurrentFunction != FUNCTION_MONITOR &&
gCurrentFunction != FUNCTION_RECEIVE &&
gCurrentFunction != FUNCTION_TRANSMIT)
{
FM_Play();
gScheduleFM = false;
}
#endif
if (gEeprom.VOX_SWITCH)
APP_HandleVox();
if (gSchedulePowerSave)
{
#ifdef ENABLE_NOAA
if (
#ifdef ENABLE_FMRADIO
gFmRadioMode ||
#endif
gPttIsPressed ||
gKeyBeingHeld ||
gEeprom.BATTERY_SAVE == 0 ||
gScanState != SCAN_OFF ||
gCssScanMode != CSS_SCAN_MODE_OFF ||
gScreenToDisplay != DISPLAY_MAIN ||
gDTMF_CallState != DTMF_CALL_STATE_NONE)
{
gBatterySaveCountdown_10ms = battery_save_count_10ms;
}
else
if ((IS_NOT_NOAA_CHANNEL(gEeprom.ScreenChannel[0]) && IS_NOT_NOAA_CHANNEL(gEeprom.ScreenChannel[1])) || !gIsNoaaMode)
{
FUNCTION_Select(FUNCTION_POWER_SAVE);
}
else
{
gBatterySaveCountdown_10ms = battery_save_count_10ms;
}
#else
if (
#ifdef ENABLE_FMRADIO
gFmRadioMode ||
#endif
gPttIsPressed ||
gKeyBeingHeld ||
gEeprom.BATTERY_SAVE == 0 ||
gScanState != SCAN_OFF ||
gCssScanMode != CSS_SCAN_MODE_OFF ||
gScreenToDisplay != DISPLAY_MAIN ||
gDTMF_CallState != DTMF_CALL_STATE_NONE)
{
gBatterySaveCountdown_10ms = battery_save_count_10ms;
}
else
{
FUNCTION_Select(FUNCTION_POWER_SAVE);
}
gSchedulePowerSave = false;
#endif
}
#ifdef ENABLE_VOICE
if (gBatterySaveCountdownExpired && gCurrentFunction == FUNCTION_POWER_SAVE && gVoiceWriteIndex == 0)
#else
if (gBatterySaveCountdownExpired && gCurrentFunction == FUNCTION_POWER_SAVE)
#endif
{
if (gRxIdleMode)
{
BK4819_Conditional_RX_TurnOn_and_GPIO6_Enable();
if (gEeprom.VOX_SWITCH)
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
gUpdateRSSI = false;
}
FUNCTION_Init();
gBatterySave_10ms = 10; // 100ms
gRxIdleMode = false;
}
else
if (gEeprom.DUAL_WATCH == DUAL_WATCH_OFF || gScanState != SCAN_OFF || gCssScanMode != CSS_SCAN_MODE_OFF || gUpdateRSSI)
{
gCurrentRSSI = BK4819_GetRSSI();
UI_UpdateRSSI(gCurrentRSSI);
gBatterySave_10ms = gEeprom.BATTERY_SAVE * 10;
gRxIdleMode = true;
BK4819_DisableVox();
BK4819_Sleep();
BK4819_ToggleGpioOut(BK4819_GPIO6_PIN2, false);
// Authentic device checked removed
}
else
{
DUALWATCH_Alternate(); // toggle between the two VFO's
gUpdateRSSI = true;
gBatterySave_10ms = 10; // 100ms
}
gBatterySaveCountdownExpired = false;
}
}
// called every 10ms
void APP_CheckKeys(void)
{
KEY_Code_t Key;
#ifdef ENABLE_AIRCOPY
if (gSetting_KILLED || (gScreenToDisplay == DISPLAY_AIRCOPY && gAircopyState != AIRCOPY_READY))
return;
#else
if (gSetting_KILLED)
return;
#endif
if (gPttIsPressed)
{
if (GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT))
{ // PTT released
#if 0
// denoise the PTT
unsigned int i = 6; // test the PTT button for 6ms
unsigned int count = 0;
while (i-- > 0)
{
SYSTEM_DelayMs(1);
if (!GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT))
{ // PTT pressed
if (count > 0)
count--;
continue;
}
if (++count < 3)
continue;
// stop transmitting
APP_ProcessKey(KEY_PTT, false, false);
gPttIsPressed = false;
if (gKeyReading1 != KEY_INVALID)
gPttWasReleased = true;
break;
}
#else
if (++gPttDebounceCounter >= 3) // 30ms
{ // stop transmitting
APP_ProcessKey(KEY_PTT, false, false);
gPttIsPressed = false;
if (gKeyReading1 != KEY_INVALID)
gPttWasReleased = true;
}
#endif
}
else
gPttDebounceCounter = 0;
}
else
if (!GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT))
{ // PTT pressed
if (++gPttDebounceCounter >= 3) // 30ms
{ // start transmitting
boot_counter_10ms = 0;
gPttDebounceCounter = 0;
gPttIsPressed = true;
APP_ProcessKey(KEY_PTT, true, false);
}
}
else
gPttDebounceCounter = 0;
// *****************
// scan the hardware keys
Key = KEYBOARD_Poll();
if (Key != KEY_INVALID)
boot_counter_10ms = 0; // cancel boot screen/beeps if any key pressed
if (gKeyReading0 != Key)
{ // new key pressed
if (gKeyReading0 != KEY_INVALID && Key != KEY_INVALID)
APP_ProcessKey(gKeyReading1, false, gKeyBeingHeld); // key pressed without releasing previous key
gKeyReading0 = Key;
gDebounceCounter = 0;
return;
}
if (++gDebounceCounter == key_debounce_10ms)
{ // debounced new key pressed
if (Key == KEY_INVALID)
{
if (gKeyReading1 != KEY_INVALID)
{
APP_ProcessKey(gKeyReading1, false, gKeyBeingHeld);
gKeyReading1 = KEY_INVALID;
}
}
else
{
gKeyReading1 = Key;
APP_ProcessKey(Key, true, false);
}
gKeyBeingHeld = false;
return;
}
// key is being held pressed
if (gDebounceCounter == key_repeat_delay_10ms)
{ // initial delay after pressed
if (Key == KEY_STAR ||
Key == KEY_F ||
Key == KEY_SIDE2 ||
Key == KEY_SIDE1 ||
Key == KEY_UP ||
Key == KEY_DOWN ||
Key == KEY_EXIT
#ifdef ENABLE_MAIN_KEY_HOLD
|| Key <= KEY_9 // keys 0-9 can be held down to bypass pressing the F-Key
#endif
)
{
gKeyBeingHeld = true;
APP_ProcessKey(Key, true, true);
}
return;
}
if (gDebounceCounter > key_repeat_delay_10ms)
{ // key repeat
if (Key == KEY_UP || Key == KEY_DOWN)
{
gKeyBeingHeld = true;
if ((gDebounceCounter % key_repeat_10ms) == 0)
APP_ProcessKey(Key, true, true);
}
if (gDebounceCounter < 0xFFFF)
return;
gDebounceCounter = key_repeat_delay_10ms;
return;
}
}
void APP_TimeSlice10ms(void)
{
gFlashLightBlinkCounter++;
#ifdef ENABLE_BOOT_BEEPS
if (boot_counter_10ms > 0)
if ((boot_counter_10ms % 25) == 0)
AUDIO_PlayBeep(BEEP_880HZ_40MS_OPTIONAL);
#endif
if (UART_IsCommandAvailable())
{
__disable_irq();
UART_HandleCommand();
__enable_irq();
}
if (gReducedService)
return;
if (gCurrentFunction != FUNCTION_POWER_SAVE || !gRxIdleMode)
APP_CheckRadioInterrupts();
if (gCurrentFunction != FUNCTION_TRANSMIT)
{
if (gUpdateStatus)
UI_DisplayStatus(false);
if (gUpdateDisplay)
{
GUI_DisplayScreen();
gUpdateDisplay = false;
}
}
// Skipping authentic device checks
#ifdef ENABLE_FMRADIO
if (gFmRadioCountdown_500ms > 0)
return;
#endif
if (gFlashLightState == FLASHLIGHT_BLINK && (gFlashLightBlinkCounter & 15u) == 0)
GPIO_FlipBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
if (gVoxResumeCountdown > 0)
gVoxResumeCountdown--;
if (gVoxPauseCountdown > 0)
gVoxPauseCountdown--;
if (gCurrentFunction == FUNCTION_TRANSMIT)
{
#ifdef ENABLE_ALARM
if (gAlarmState == ALARM_STATE_TXALARM || gAlarmState == ALARM_STATE_ALARM)
{
uint16_t Tone;
gAlarmRunningCounter++;
gAlarmToneCounter++;
Tone = 500 + (gAlarmToneCounter * 25);
if (Tone > 1500)
{
Tone = 500;
gAlarmToneCounter = 0;
}
BK4819_SetScrambleFrequencyControlWord(Tone);
if (gEeprom.ALARM_MODE == ALARM_MODE_TONE && gAlarmRunningCounter == 512)
{
gAlarmRunningCounter = 0;
if (gAlarmState == ALARM_STATE_TXALARM)
{
gAlarmState = ALARM_STATE_ALARM;
RADIO_EnableCxCSS();
BK4819_SetupPowerAmplifier(0, 0);
BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1, false);
BK4819_Enable_AfDac_DiscMode_TxDsp();
BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_RED, false);
GUI_DisplayScreen();
}
else
{
gAlarmState = ALARM_STATE_TXALARM;
GUI_DisplayScreen();
BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_RED, true);
RADIO_SetTxParameters();
BK4819_TransmitTone(true, 500);
SYSTEM_DelayMs(2);
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = true;
gAlarmToneCounter = 0;
}
}
}
#endif
// repeater tail tone elimination
if (gRTTECountdown > 0)
{
if (--gRTTECountdown == 0)
{
FUNCTION_Select(FUNCTION_FOREGROUND);
gUpdateDisplay = true;
}
}
}
#ifdef ENABLE_FMRADIO
if (gFmRadioMode && gFM_RestoreCountdown > 0)
{
if (--gFM_RestoreCountdown == 0)
{
FM_Start();
GUI_SelectNextDisplay(DISPLAY_FM);
}
}
#endif
if (gScreenToDisplay == DISPLAY_SCANNER)
{
uint32_t Result;
int32_t Delta;
BK4819_CssScanResult_t ScanResult;
uint16_t CtcssFreq;
if (gScanDelay_10ms > 0)
{
gScanDelay_10ms--;
APP_CheckKeys();
return;
}
if (gScannerEditState != 0)
{
APP_CheckKeys();
return;
}
switch (gScanCssState)
{
case SCAN_CSS_STATE_OFF:
if (!BK4819_GetFrequencyScanResult(&Result))
break;
Delta = Result - gScanFrequency;
gScanFrequency = Result;
if (Delta < 0)
Delta = -Delta;
if (Delta < 100)
gScanHitCount++;
else
gScanHitCount = 0;
BK4819_DisableFrequencyScan();
if (gScanHitCount < 3)
{
BK4819_EnableFrequencyScan();
}
else
{
BK4819_SetScanFrequency(gScanFrequency);
gScanCssResultCode = 0xFF;
gScanCssResultType = 0xFF;
gScanHitCount = 0;
gScanUseCssResult = false;
gScanProgressIndicator = 0;
gScanCssState = SCAN_CSS_STATE_SCANNING;
GUI_SelectNextDisplay(DISPLAY_SCANNER);
gUpdateStatus = true;
}
//gScanDelay_10ms = scan_delay_10ms;
gScanDelay_10ms = 20 / 10; // 20ms
break;
case SCAN_CSS_STATE_SCANNING:
ScanResult = BK4819_GetCxCSSScanResult(&Result, &CtcssFreq);
if (ScanResult == BK4819_CSS_RESULT_NOT_FOUND)
break;
BK4819_Disable();
if (ScanResult == BK4819_CSS_RESULT_CDCSS)
{
const uint8_t Code = DCS_GetCdcssCode(Result);
if (Code != 0xFF)
{
gScanCssResultCode = Code;
gScanCssResultType = CODE_TYPE_DIGITAL;
gScanCssState = SCAN_CSS_STATE_FOUND;
gScanUseCssResult = true;
gUpdateStatus = true;
}
}
else
if (ScanResult == BK4819_CSS_RESULT_CTCSS)
{
const uint8_t Code = DCS_GetCtcssCode(CtcssFreq);
if (Code != 0xFF)
{
if (Code == gScanCssResultCode && gScanCssResultType == CODE_TYPE_CONTINUOUS_TONE)
{
if (++gScanHitCount >= 2)
{
gScanCssState = SCAN_CSS_STATE_FOUND;
gScanUseCssResult = true;
gUpdateStatus = true;
}
}
else
gScanHitCount = 0;
gScanCssResultType = CODE_TYPE_CONTINUOUS_TONE;
gScanCssResultCode = Code;
}
}
if (gScanCssState < SCAN_CSS_STATE_FOUND)
{
BK4819_SetScanFrequency(gScanFrequency);
gScanDelay_10ms = scan_delay_10ms;
break;
}
GUI_SelectNextDisplay(DISPLAY_SCANNER);
break;
default:
break;
}
}
#ifdef ENABLE_AIRCOPY
if (gScreenToDisplay == DISPLAY_AIRCOPY && gAircopyState == AIRCOPY_TRANSFER && gAirCopyIsSendMode == 1)
{
if (gAircopySendCountdown > 0)
{
if (--gAircopySendCountdown == 0)
{
AIRCOPY_SendMessage();
GUI_DisplayScreen();
}
}
}
#endif
APP_CheckKeys();
}
void cancelUserInputModes(void)
{
gKeyInputCountdown = 0;
if (gDTMF_InputMode || gInputBoxIndex > 0)
{
gDTMF_InputMode = false;
gDTMF_InputIndex = 0;
memset(gDTMF_String, 0, sizeof(gDTMF_String));
gInputBoxIndex = 0;
gRequestDisplayScreen = DISPLAY_MAIN;
gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
}
}
// this is called once every 500ms
void APP_TimeSlice500ms(void)
{
// Skipped authentic device check
if (gKeypadLocked > 0)
if (--gKeypadLocked == 0)
gUpdateDisplay = true;
if (gKeyInputCountdown > 0)
if (--gKeyInputCountdown == 0)
cancelUserInputModes();
// Skipped authentic device check
#ifdef ENABLE_FMRADIO
if (gFmRadioCountdown_500ms > 0)
{
gFmRadioCountdown_500ms--;
return;
}
#endif
if (gReducedService)
{
BOARD_ADC_GetBatteryInfo(&gBatteryCurrentVoltage, &gBatteryCurrent);
if (gBatteryCurrent > 500 || gBatteryCalibration[3] < gBatteryCurrentVoltage)
overlay_FLASH_RebootToBootloader();
return;
}
gBatteryCheckCounter++;
// Skipped authentic device check
if (gCurrentFunction != FUNCTION_TRANSMIT)
{
if ((gBatteryCheckCounter & 1) == 0)
{
BOARD_ADC_GetBatteryInfo(&gBatteryVoltages[gBatteryVoltageIndex++], &gBatteryCurrent);
if (gBatteryVoltageIndex > 3)
gBatteryVoltageIndex = 0;
BATTERY_GetReadings(true);
}
if (gCurrentFunction != FUNCTION_POWER_SAVE)
{
gCurrentRSSI = BK4819_GetRSSI();
UI_UpdateRSSI(gCurrentRSSI);
}
#ifdef ENABLE_FMRADIO
if ((gFM_ScanState == FM_SCAN_OFF || gAskToSave) && gCssScanMode == CSS_SCAN_MODE_OFF)
#else
if (gCssScanMode == CSS_SCAN_MODE_OFF)
#endif
{
if (gBacklightCountdown > 0)
if (--gBacklightCountdown == 0)
if (gEeprom.BACKLIGHT < 5)
GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BACKLIGHT); // turn backlight off
#ifdef ENABLE_AIRCOPY
if (gScanState == SCAN_OFF && gScreenToDisplay != DISPLAY_AIRCOPY && (gScreenToDisplay != DISPLAY_SCANNER || gScanCssState >= SCAN_CSS_STATE_FOUND))
#else
if (gScanState == SCAN_OFF && (gScreenToDisplay != DISPLAY_SCANNER || gScanCssState >= SCAN_CSS_STATE_FOUND))
#endif
{
if (gEeprom.AUTO_KEYPAD_LOCK && gKeyLockCountdown > 0 && !gDTMF_InputMode)
{
if (--gKeyLockCountdown == 0)
gEeprom.KEY_LOCK = true; // lock the keyboard
gUpdateStatus = true; // lock symbol needs showing
}
if (gVoltageMenuCountdown > 0)
{
if (--gVoltageMenuCountdown == 0)
{
if (gInputBoxIndex > 0 || gDTMF_InputMode || gScreenToDisplay == DISPLAY_MENU)
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL);
if (gScreenToDisplay == DISPLAY_SCANNER)
{
BK4819_StopScan();
RADIO_ConfigureChannel(0, 2);
RADIO_ConfigureChannel(1, 2);
RADIO_SetupRegisters(true);
}
gWasFKeyPressed = false;
gUpdateStatus = true;
gInputBoxIndex = 0;
gDTMF_InputMode = false;
gDTMF_InputIndex = 0;
gAskToSave = false;
gAskToDelete = false;
#ifdef ENABLE_FMRADIO
if (gFmRadioMode && gCurrentFunction != FUNCTION_RECEIVE && gCurrentFunction != FUNCTION_MONITOR && gCurrentFunction != FUNCTION_TRANSMIT)
GUI_SelectNextDisplay(DISPLAY_FM);
else
#endif
GUI_SelectNextDisplay(DISPLAY_MAIN);
}
}
}
}
}
#ifdef ENABLE_FMRADIO
if (!gPttIsPressed && gFM_ResumeCountdown_500ms > 0)
{
if (--gFM_ResumeCountdown_500ms == 0)
{
RADIO_SetVfoState(VFO_STATE_NORMAL);
if (gCurrentFunction != FUNCTION_RECEIVE && gCurrentFunction != FUNCTION_TRANSMIT && gCurrentFunction != FUNCTION_MONITOR && gFmRadioMode)
{
FM_Start();
GUI_SelectNextDisplay(DISPLAY_FM);
}
}
}
#endif
if (gLowBattery)
{
gLowBatteryBlink = ++gLowBatteryCountdown & 1;
UI_DisplayBattery(gLowBatteryCountdown);
if (gCurrentFunction != FUNCTION_TRANSMIT)
{
if (gLowBatteryCountdown < 30)
{
if (gLowBatteryCountdown == 29 && !gChargingWithTypeC)
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP);
}
else
{
gLowBatteryCountdown = 0;
if (!gChargingWithTypeC)
{
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP);
#ifdef ENABLE_VOICE
AUDIO_SetVoiceID(0, VOICE_ID_LOW_VOLTAGE);
#endif
if (gBatteryDisplayLevel == 0)
{
#ifdef ENABLE_VOICE
AUDIO_PlaySingleVoice(true);
#endif
gReducedService = true;
FUNCTION_Select(FUNCTION_POWER_SAVE);
ST7565_Configure_GPIO_B11();
//if (gEeprom.BACKLIGHT < 5)
GPIO_ClearBit(&GPIOB->DATA, GPIOB_PIN_BACKLIGHT);
}
#ifdef ENABLE_VOICE
else
AUDIO_PlaySingleVoice(false);
#endif
}
}
}
}
if (gScreenToDisplay == DISPLAY_SCANNER && gScannerEditState == 0 && gScanCssState < SCAN_CSS_STATE_FOUND)
{
if (++gScanProgressIndicator > 32)
{
if (gScanCssState == SCAN_CSS_STATE_SCANNING && !gScanSingleFrequency)
gScanCssState = SCAN_CSS_STATE_FOUND;
else
gScanCssState = SCAN_CSS_STATE_FAILED;
gUpdateStatus = true;
}
gUpdateDisplay = true;
}
if (gDTMF_CallState != DTMF_CALL_STATE_NONE && gCurrentFunction != FUNCTION_TRANSMIT && gCurrentFunction != FUNCTION_RECEIVE)
{
if (gDTMF_AUTO_RESET_TIME > 0)
{
if (--gDTMF_AUTO_RESET_TIME == 0)
{
gDTMF_CallState = DTMF_CALL_STATE_NONE;
gUpdateDisplay = true;
}
}
if (gDTMF_DecodeRing && gDTMF_DecodeRingCountdown_500ms > 0)
{
if ((--gDTMF_DecodeRingCountdown_500ms % 3) == 0)
AUDIO_PlayBeep(BEEP_440HZ_500MS);
if (gDTMF_DecodeRingCountdown_500ms == 0)
gDTMF_DecodeRing = false;
}
}
if (gDTMF_IsTx && gDTMF_TxStopCountdown_500ms > 0)
{
if (--gDTMF_TxStopCountdown_500ms == 0)
{
gDTMF_IsTx = false;
gUpdateDisplay = true;
}
}
if (gDTMF_RecvTimeout > 0)
{
if (--gDTMF_RecvTimeout == 0)
{
gDTMF_WriteIndex = 0;
memset(gDTMF_Received, 0, sizeof(gDTMF_Received));
}
}
#ifdef ENABLE_DTMF_DECODER
if (gDTMF_RecvTimeoutSaved > 0)
{
if (--gDTMF_RecvTimeoutSaved == 0)
{
gDTMF_ReceivedSaved[0] = '\0';
gUpdateDisplay = true;
}
}
#endif
}
#ifdef ENABLE_ALARM
static void ALARM_Off(void)
{
gAlarmState = ALARM_STATE_OFF;
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = false;
if (gEeprom.ALARM_MODE == ALARM_MODE_TONE)
{
RADIO_SendEndOfTransmission();
RADIO_EnableCxCSS();
}
gVoxResumeCountdown = 80;
SYSTEM_DelayMs(5);
RADIO_SetupRegisters(true);
gRequestDisplayScreen = DISPLAY_MAIN;
}
#endif
void CHANNEL_Next(bool bFlag, int8_t Direction)
{
RADIO_SelectVfos();
gNextMrChannel = gRxVfo->CHANNEL_SAVE;
gCurrentScanList = 0;
gScanState = Direction;
if (IS_MR_CHANNEL(gNextMrChannel))
{
if (bFlag)
gRestoreMrChannel = gNextMrChannel;
MR_NextChannel();
}
else
{
if (bFlag)
gRestoreFrequency = gRxVfo->ConfigRX.Frequency;
FREQ_NextChannel();
}
ScanPauseDelayIn_10ms = 50; // 500ms
gScheduleScanListen = false;
gRxReceptionMode = RX_MODE_NONE;
gScanPauseMode = false;
bScanKeepFrequency = false;
}
static void APP_ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
{
bool bFlag = false;
// const bool backlight_was_on = (gBacklightCountdown > 0 || gEeprom.BACKLIGHT >= 5);
const bool backlight_was_on = GPIO_CheckBit(&GPIOB->DATA, GPIOB_PIN_BACKLIGHT);
if (Key == KEY_EXIT && !backlight_was_on)
{ // just turn the light on for now
BACKLIGHT_TurnOn();
gBeepToPlay = BEEP_NONE;
return;
}
if (gCurrentFunction == FUNCTION_POWER_SAVE)
FUNCTION_Select(FUNCTION_FOREGROUND);
gBatterySaveCountdown_10ms = battery_save_count_10ms;
if (gEeprom.AUTO_KEYPAD_LOCK)
gKeyLockCountdown = 30; // 15 seconds
#ifdef ENABLE_DTMF_DECODER
if (Key == KEY_EXIT && bKeyPressed && bKeyHeld && gDTMF_ReceivedSaved[0] > 0)
{ // clear the live DTMF decoder if the EXIT key is held
gDTMF_RecvTimeoutSaved = 0;
gDTMF_ReceivedSaved[0] = '\0';
gUpdateDisplay = true;
}
#endif
if (!bKeyPressed)
{
if (gFlagSaveVfo)
{
SETTINGS_SaveVfoIndices();
gFlagSaveVfo = false;
}
if (gFlagSaveSettings)
{
SETTINGS_SaveSettings();
gFlagSaveSettings = false;
}
#ifdef ENABLE_FMRADIO
if (gFlagSaveFM)
{
SETTINGS_SaveFM();
gFlagSaveFM = false;
}
#endif
if (gFlagSaveChannel)
{
SETTINGS_SaveChannel(gTxVfo->CHANNEL_SAVE, gEeprom.TX_CHANNEL, gTxVfo, gFlagSaveChannel);
gFlagSaveChannel = false;
RADIO_ConfigureChannel(gEeprom.TX_CHANNEL, 1);
RADIO_SetupRegisters(true);
GUI_SelectNextDisplay(DISPLAY_MAIN);
}
}
else
{
if (Key != KEY_PTT)
gVoltageMenuCountdown = menu_timeout_500ms;
BACKLIGHT_TurnOn();
if (gDTMF_DecodeRing)
{
gDTMF_DecodeRing = false;
AUDIO_PlayBeep(BEEP_1KHZ_60MS_OPTIONAL);
if (Key != KEY_PTT)
{
gPttWasReleased = true;
return;
}
}
}
if (gEeprom.KEY_LOCK && gCurrentFunction != FUNCTION_TRANSMIT && Key != KEY_PTT)
{ // keyboard is locked
if (Key == KEY_F)
{ // function/key-lock key
if (!bKeyPressed)
return;
if (!bKeyHeld)
{
// keypad is locked, tell the user
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL);
gKeypadLocked = 4; // 2 seconds
gUpdateDisplay = true;
return;
}
}
else
if (Key != KEY_SIDE1 && Key != KEY_SIDE2)
{
if (!bKeyPressed || bKeyHeld)
return;
// keypad is locked, tell the user
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL);
gKeypadLocked = 4; // 2 seconds
gUpdateDisplay = true;
return;
}
}
if (gScanState != SCAN_OFF &&
Key != KEY_PTT &&
Key != KEY_UP &&
Key != KEY_DOWN &&
Key != KEY_EXIT &&
Key != KEY_STAR)
{ // scanning
if (bKeyPressed && !bKeyHeld)
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL);
return;
}
if (gCssScanMode != CSS_SCAN_MODE_OFF &&
Key != KEY_PTT &&
Key != KEY_UP &&
Key != KEY_DOWN &&
Key != KEY_EXIT &&
Key != KEY_STAR &&
Key != KEY_MENU)
{ // code scanning
if (bKeyPressed && !bKeyHeld)
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL);
return;
}
if (gPttWasPressed && Key == KEY_PTT)
{
bFlag = bKeyHeld;
if (!bKeyPressed)
{
bFlag = true;
gPttWasPressed = false;
}
}
if (gPttWasReleased && Key != KEY_PTT)
{
if (bKeyHeld)
bFlag = true;
if (!bKeyPressed)
{
bFlag = true;
gPttWasReleased = false;
}
}
if (gWasFKeyPressed && Key > KEY_9 && Key != KEY_F && Key != KEY_STAR)
{
gWasFKeyPressed = false;
gUpdateStatus = true;
}
if (gF_LOCK && (Key == KEY_PTT || Key == KEY_SIDE2 || Key == KEY_SIDE1))
return;
if (!bFlag)
{
if (gCurrentFunction == FUNCTION_TRANSMIT)
{ // transmitting
#ifdef ENABLE_ALARM
if (gAlarmState == ALARM_STATE_OFF)
#endif
{
if (Key == KEY_PTT)
{
GENERIC_Key_PTT(bKeyPressed);
}
else
{
char Code;
if (Key == KEY_SIDE2)
{
Code = 0xFE;
}
else
{
Code = DTMF_GetCharacter(Key);
if (Code == 0xFF)
goto Skip;
}
if (!bKeyPressed || bKeyHeld)
{
if (!bKeyPressed)
{
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = false;
BK4819_ExitDTMF_TX(false);
if (gCurrentVfo->SCRAMBLING_TYPE == 0 || !gSetting_ScrambleEnable)
BK4819_DisableScramble();
else
BK4819_EnableScramble(gCurrentVfo->SCRAMBLING_TYPE - 1);
}
}
else
{
if (gEeprom.DTMF_SIDE_TONE)
{
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = true;
}
BK4819_DisableScramble();
if (Code == 0xFE)
BK4819_TransmitTone(gEeprom.DTMF_SIDE_TONE, 1750);
else
BK4819_PlayDTMFEx(gEeprom.DTMF_SIDE_TONE, Code);
}
}
}
#ifdef ENABLE_ALARM
else
if (!bKeyHeld && bKeyPressed)
{
ALARM_Off();
if (gEeprom.REPEATER_TAIL_TONE_ELIMINATION == 0)
FUNCTION_Select(FUNCTION_FOREGROUND);
else
gRTTECountdown = gEeprom.REPEATER_TAIL_TONE_ELIMINATION * 10;
if (Key == KEY_PTT)
gPttWasPressed = true;
else
gPttWasReleased = true;
}
#endif
}
else
if (Key != KEY_SIDE1 && Key != KEY_SIDE2)
{
switch (gScreenToDisplay)
{
case DISPLAY_MAIN:
MAIN_ProcessKeys(Key, bKeyPressed, bKeyHeld);
#ifdef ENABLE_MAIN_KEY_HOLD
bKeyHeld = false; // allow the channel setting to be saved
#endif
break;
#ifdef ENABLE_FMRADIO
case DISPLAY_FM:
FM_ProcessKeys(Key, bKeyPressed, bKeyHeld);
break;
#endif
case DISPLAY_MENU:
MENU_ProcessKeys(Key, bKeyPressed, bKeyHeld);
break;
case DISPLAY_SCANNER:
SCANNER_ProcessKeys(Key, bKeyPressed, bKeyHeld);
break;
#ifdef ENABLE_AIRCOPY
case DISPLAY_AIRCOPY:
AIRCOPY_ProcessKeys(Key, bKeyPressed, bKeyHeld);
break;
#endif
case DISPLAY_INVALID:
default:
break;
}
}
else
#ifdef ENABLE_AIRCOPY
if (gScreenToDisplay != DISPLAY_SCANNER && gScreenToDisplay != DISPLAY_AIRCOPY)
#else
if (gScreenToDisplay != DISPLAY_SCANNER)
#endif
{
ACTION_Handle(Key, bKeyPressed, bKeyHeld);
}
else
if (!bKeyHeld && bKeyPressed)
gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
}
else
{
if (Key == KEY_EXIT && bKeyHeld)
cancelUserInputModes();
}
Skip:
if (gBeepToPlay != BEEP_NONE)
{
AUDIO_PlayBeep(gBeepToPlay);
gBeepToPlay = BEEP_NONE;
}
if (gFlagAcceptSetting)
{
MENU_AcceptSetting();
gFlagRefreshSetting = true;
gFlagAcceptSetting = false;
}
if (gFlagStopScan)
{
BK4819_StopScan();
gFlagStopScan = false;
}
if (gRequestSaveSettings)
{
if (!bKeyHeld)
SETTINGS_SaveSettings();
else
gFlagSaveSettings = 1;
gRequestSaveSettings = false;
gUpdateStatus = true;
}
#ifdef ENABLE_FMRADIO
if (gRequestSaveFM)
{
if (!bKeyHeld)
SETTINGS_SaveFM();
else
gFlagSaveFM = true;
gRequestSaveFM = false;
}
#endif
if (gRequestSaveVFO)
{
if (!bKeyHeld)
SETTINGS_SaveVfoIndices();
else
gFlagSaveVfo = true;
gRequestSaveVFO = false;
}
if (gRequestSaveChannel > 0)
{
if (!bKeyHeld)
{
SETTINGS_SaveChannel(gTxVfo->CHANNEL_SAVE, gEeprom.TX_CHANNEL, gTxVfo, gRequestSaveChannel);
if (gScreenToDisplay != DISPLAY_SCANNER)
gVfoConfigureMode = VFO_CONFIGURE_1;
}
else
{
gFlagSaveChannel = gRequestSaveChannel;
if (gRequestDisplayScreen == DISPLAY_INVALID)
gRequestDisplayScreen = DISPLAY_MAIN;
}
gRequestSaveChannel = 0;
}
if (gVfoConfigureMode != VFO_CONFIGURE_0)
{
if (gFlagResetVfos)
{
RADIO_ConfigureChannel(0, gVfoConfigureMode);
RADIO_ConfigureChannel(1, gVfoConfigureMode);
}
else
RADIO_ConfigureChannel(gEeprom.TX_CHANNEL, gVfoConfigureMode);
if (gRequestDisplayScreen == DISPLAY_INVALID)
gRequestDisplayScreen = DISPLAY_MAIN;
gFlagReconfigureVfos = true;
gVfoConfigureMode = VFO_CONFIGURE_0;
gFlagResetVfos = false;
}
if (gFlagReconfigureVfos)
{
RADIO_SelectVfos();
#ifdef ENABLE_NOAA
RADIO_ConfigureNOAA();
#endif
RADIO_SetupRegisters(true);
gDTMF_AUTO_RESET_TIME = 0;
gDTMF_CallState = DTMF_CALL_STATE_NONE;
gDTMF_TxStopCountdown_500ms = 0;
gDTMF_IsTx = false;
gVFO_RSSI_Level[0] = 0;
gVFO_RSSI_Level[1] = 0;
gFlagReconfigureVfos = false;
}
if (gFlagRefreshSetting)
{
MENU_ShowCurrentSetting();
gFlagRefreshSetting = false;
}
if (gFlagStartScan)
{
#ifdef ENABLE_VOICE
AUDIO_SetVoiceID(0, VOICE_ID_SCANNING_BEGIN);
AUDIO_PlaySingleVoice(true);
#endif
SCANNER_Start();
gRequestDisplayScreen = DISPLAY_SCANNER;
gFlagStartScan = false;
}
if (gFlagPrepareTX)
{
RADIO_PrepareTX();
gFlagPrepareTX = false;
}
#ifdef ENABLE_VOICE
if (gAnotherVoiceID != VOICE_ID_INVALID)
{
if (gAnotherVoiceID < 76)
AUDIO_SetVoiceID(0, gAnotherVoiceID);
AUDIO_PlaySingleVoice(false);
gAnotherVoiceID = VOICE_ID_INVALID;
}
#endif
GUI_SelectNextDisplay(gRequestDisplayScreen);
gRequestDisplayScreen = DISPLAY_INVALID;
}
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