kamilsss655/radio.c
2023-09-12 11:01:34 +01:00

944 lines
23 KiB
C

/* 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/dtmf.h"
#include "app/fm.h"
#include "audio.h"
#include "bsp/dp32g030/gpio.h"
#include "dcs.h"
#include "driver/bk4819.h"
#include "driver/eeprom.h"
#include "driver/gpio.h"
#include "driver/system.h"
#include "frequencies.h"
#include "functions.h"
#include "helper/battery.h"
#include "misc.h"
#include "radio.h"
#include "settings.h"
VFO_Info_t *gTxVfo;
VFO_Info_t *gRxVfo;
VFO_Info_t *gCurrentVfo;
DCS_CodeType_t gSelectedCodeType;
DCS_CodeType_t gCurrentCodeType;
uint8_t gSelectedCode;
STEP_Setting_t gStepSetting;
VfoState_t VfoState[2];
bool RADIO_CheckValidChannel(uint16_t Channel, bool bCheckScanList, uint8_t VFO)
{
uint8_t Attributes;
uint8_t PriorityCh1;
uint8_t PriorityCh2;
if (!IS_MR_CHANNEL(Channel))
return false;
// Check channel is valid
Attributes = gMR_ChannelAttributes[Channel];
if ((Attributes & MR_CH_BAND_MASK) > BAND7_470MHz)
return false;
if (bCheckScanList)
{
switch (VFO)
{
case 0:
if ((Attributes & MR_CH_SCANLIST1) == 0)
return false;
PriorityCh1 = gEeprom.SCANLIST_PRIORITY_CH1[0];
PriorityCh2 = gEeprom.SCANLIST_PRIORITY_CH2[0];
break;
case 1:
if ((Attributes & MR_CH_SCANLIST2) == 0)
return false;
PriorityCh1 = gEeprom.SCANLIST_PRIORITY_CH1[1];
PriorityCh2 = gEeprom.SCANLIST_PRIORITY_CH2[1];
break;
default:
return true;
}
if (PriorityCh1 == Channel)
return false;
if (PriorityCh2 == Channel)
return false;
}
return true;
}
uint8_t RADIO_FindNextChannel(uint8_t Channel, int8_t Direction, bool bCheckScanList, uint8_t VFO)
{
unsigned int i;
for (i = 0; i < 200; i++)
{
if (Channel == 0xFF)
Channel = MR_CHANNEL_LAST;
else
if (Channel > MR_CHANNEL_LAST)
Channel = MR_CHANNEL_FIRST;
if (RADIO_CheckValidChannel(Channel, bCheckScanList, VFO))
return Channel;
Channel += Direction;
}
return 0xFF;
}
void RADIO_InitInfo(VFO_Info_t *pInfo, uint8_t ChannelSave, uint8_t Band, uint32_t Frequency)
{
memset(pInfo, 0, sizeof(*pInfo));
pInfo->Band = Band;
pInfo->SCANLIST1_PARTICIPATION = true;
pInfo->SCANLIST2_PARTICIPATION = true;
pInfo->STEP_SETTING = STEP_12_5kHz; // STEP_25_0kHz;
pInfo->StepFrequency = 2500;
pInfo->CHANNEL_SAVE = ChannelSave;
pInfo->FrequencyReverse = false;
pInfo->OUTPUT_POWER = OUTPUT_POWER_HIGH;
pInfo->ConfigRX.Frequency = Frequency;
pInfo->ConfigTX.Frequency = Frequency;
pInfo->pRX = &pInfo->ConfigRX;
pInfo->pTX = &pInfo->ConfigTX;
pInfo->FREQUENCY_OF_DEVIATION = 1000000;
RADIO_ConfigureSquelchAndOutputPower(pInfo);
}
void RADIO_ConfigureChannel(uint8_t VFO, uint32_t Arg)
{
uint8_t Channel;
uint8_t Attributes;
uint8_t Band;
bool bParticipation2;
uint16_t Base;
uint32_t Frequency;
VFO_Info_t *pRadio = &gEeprom.VfoInfo[VFO];
if (!gSetting_350EN)
{
if (gEeprom.FreqChannel[VFO] == 204)
gEeprom.FreqChannel[VFO] = 205;
if (gEeprom.ScreenChannel[VFO] == 204)
gEeprom.ScreenChannel[VFO] = 205;
}
Channel = gEeprom.ScreenChannel[VFO];
if (IS_VALID_CHANNEL(Channel))
{
#ifndef DISABLE_NOAA
if (Channel >= NOAA_CHANNEL_FIRST)
{
RADIO_InitInfo(pRadio, gEeprom.ScreenChannel[VFO], 2, NoaaFrequencyTable[Channel - NOAA_CHANNEL_FIRST]);
if (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_OFF)
return;
gUpdateStatus = true;
gEeprom.CROSS_BAND_RX_TX = CROSS_BAND_OFF;
return;
}
#endif
if (IS_MR_CHANNEL(Channel))
{
Channel = RADIO_FindNextChannel(Channel, RADIO_CHANNEL_UP, false, VFO);
if (Channel == 0xFF)
{
Channel = gEeprom.FreqChannel[VFO];
gEeprom.ScreenChannel[VFO] = gEeprom.FreqChannel[VFO];
}
else
{
gEeprom.ScreenChannel[VFO] = Channel;
gEeprom.MrChannel[VFO] = Channel;
}
}
}
else
Channel = 205;
Attributes = gMR_ChannelAttributes[Channel];
if (Attributes == 0xFF)
{
uint8_t Index;
if (IS_MR_CHANNEL(Channel))
{
Channel = gEeprom.FreqChannel[VFO];
gEeprom.ScreenChannel[VFO] = gEeprom.FreqChannel[VFO];
}
Index = Channel - FREQ_CHANNEL_FIRST;
RADIO_InitInfo(pRadio, Channel, Index, gLowerLimitFrequencyBandTable[Index]);
return;
}
Band = Attributes & MR_CH_BAND_MASK;
if (Band > BAND7_470MHz)
Band = BAND6_400MHz;
if (IS_MR_CHANNEL(Channel))
{
gEeprom.VfoInfo[VFO].Band = Band;
gEeprom.VfoInfo[VFO].SCANLIST1_PARTICIPATION = !!(Attributes & MR_CH_SCANLIST1);
bParticipation2 = !!(Attributes & MR_CH_SCANLIST2);
}
else
{
Band = Channel - FREQ_CHANNEL_FIRST;
gEeprom.VfoInfo[VFO].Band = Band;
bParticipation2 = true;
gEeprom.VfoInfo[VFO].SCANLIST1_PARTICIPATION = true;
}
gEeprom.VfoInfo[VFO].SCANLIST2_PARTICIPATION = bParticipation2;
gEeprom.VfoInfo[VFO].CHANNEL_SAVE = Channel;
if (IS_MR_CHANNEL(Channel))
Base = Channel * 16;
else
Base = 0x0C80 + ((Channel - FREQ_CHANNEL_FIRST) * 32) + (VFO * 16);
if (Arg == 2 || Channel >= FREQ_CHANNEL_FIRST)
{
uint8_t Tmp;
uint8_t Data[8];
EEPROM_ReadBuffer(Base + 8, Data, sizeof(Data));
Tmp = Data[3] & 0x0F;
if (Tmp > 2)
Tmp = 0;
gEeprom.VfoInfo[VFO].FREQUENCY_DEVIATION_SETTING = Tmp;
gEeprom.VfoInfo[VFO].AM_CHANNEL_MODE = !!(Data[3] & 0x10);
Tmp = Data[6];
if (Tmp > STEP_8_33kHz)
Tmp = STEP_25_0kHz;
gEeprom.VfoInfo[VFO].STEP_SETTING = Tmp;
gEeprom.VfoInfo[VFO].StepFrequency = StepFrequencyTable[Tmp];
Tmp = Data[7];
if (Tmp > 10)
Tmp = 0;
gEeprom.VfoInfo[VFO].SCRAMBLING_TYPE = Tmp;
gEeprom.VfoInfo[VFO].ConfigRX.CodeType = (Data[2] >> 0) & 0x0F;
gEeprom.VfoInfo[VFO].ConfigTX.CodeType = (Data[2] >> 4) & 0x0F;
Tmp = Data[0];
switch (gEeprom.VfoInfo[VFO].ConfigRX.CodeType)
{
default:
case CODE_TYPE_OFF:
gEeprom.VfoInfo[VFO].ConfigRX.CodeType = CODE_TYPE_OFF;
Tmp = 0;
break;
case CODE_TYPE_CONTINUOUS_TONE:
if (Tmp >= 50)
Tmp = 0;
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
if (Tmp >= 104)
Tmp = 0;
break;
}
gEeprom.VfoInfo[VFO].ConfigRX.Code = Tmp;
Tmp = Data[1];
switch (gEeprom.VfoInfo[VFO].ConfigTX.CodeType)
{
case CODE_TYPE_CONTINUOUS_TONE:
if (Tmp >= 50)
Tmp = 0;
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
if (Tmp >= 104)
Tmp = 0;
break;
default:
gEeprom.VfoInfo[VFO].ConfigTX.CodeType = CODE_TYPE_OFF;
Tmp = 0;
break;
}
gEeprom.VfoInfo[VFO].ConfigTX.Code = Tmp;
if (Data[4] == 0xFF)
{
gEeprom.VfoInfo[VFO].FrequencyReverse = false;
gEeprom.VfoInfo[VFO].CHANNEL_BANDWIDTH = 0;
gEeprom.VfoInfo[VFO].OUTPUT_POWER = 2;
gEeprom.VfoInfo[VFO].BUSY_CHANNEL_LOCK = false;
}
else
{
const uint8_t d4 = Data[4];
gEeprom.VfoInfo[VFO].FrequencyReverse = !!(d4 & 0x01);
gEeprom.VfoInfo[VFO].CHANNEL_BANDWIDTH = !!(d4 & 0x02);
gEeprom.VfoInfo[VFO].OUTPUT_POWER = (d4 >> 2) & 0x03;
gEeprom.VfoInfo[VFO].BUSY_CHANNEL_LOCK = !!(d4 & 0x10);
}
if (Data[5] == 0xFF)
{
gEeprom.VfoInfo[VFO].DTMF_DECODING_ENABLE = false;
gEeprom.VfoInfo[VFO].DTMF_PTT_ID_TX_MODE = 0;
}
else
{
gEeprom.VfoInfo[VFO].DTMF_DECODING_ENABLE = !!(Data[5] & 0x01);
gEeprom.VfoInfo[VFO].DTMF_PTT_ID_TX_MODE = (Data[5] >> 1) & 0x03;
}
struct
{
uint32_t Frequency;
uint32_t Offset;
} __attribute__((packed)) Info;
EEPROM_ReadBuffer(Base, &Info, sizeof(Info));
pRadio->ConfigRX.Frequency = Info.Frequency;
if (Info.Offset >= 100000000)
Info.Offset = 1000000;
gEeprom.VfoInfo[VFO].FREQUENCY_OF_DEVIATION = Info.Offset;
}
Frequency = pRadio->ConfigRX.Frequency;
if (Frequency < gLowerLimitFrequencyBandTable[Band])
Frequency = gLowerLimitFrequencyBandTable[Band];
else
if (Frequency > gUpperLimitFrequencyBandTable[Band])
Frequency = gUpperLimitFrequencyBandTable[Band];
else
if (Channel >= FREQ_CHANNEL_FIRST)
Frequency = FREQUENCY_FloorToStep(Frequency, gEeprom.VfoInfo[VFO].StepFrequency, gLowerLimitFrequencyBandTable[Band]);
pRadio->ConfigRX.Frequency = Frequency;
if (Frequency >= 10800000 && Frequency < 13600000)
gEeprom.VfoInfo[VFO].FREQUENCY_DEVIATION_SETTING = FREQUENCY_DEVIATION_OFF;
else
if (!IS_MR_CHANNEL(Channel))
gEeprom.VfoInfo[VFO].FREQUENCY_OF_DEVIATION = FREQUENCY_FloorToStep(gEeprom.VfoInfo[VFO].FREQUENCY_OF_DEVIATION, gEeprom.VfoInfo[VFO].StepFrequency, 0);
RADIO_ApplyOffset(pRadio);
memset(gEeprom.VfoInfo[VFO].Name, 0, sizeof(gEeprom.VfoInfo[VFO].Name));
if (IS_MR_CHANNEL(Channel))
{ // 16 bytes allocated to the channel name but only 12 used
EEPROM_ReadBuffer(0x0F50 + (Channel * 16), gEeprom.VfoInfo[VFO].Name + 0, 8);
EEPROM_ReadBuffer(0x0F58 + (Channel * 16), gEeprom.VfoInfo[VFO].Name + 8, 2);
}
if (!gEeprom.VfoInfo[VFO].FrequencyReverse)
{
gEeprom.VfoInfo[VFO].pRX = &gEeprom.VfoInfo[VFO].ConfigRX;
gEeprom.VfoInfo[VFO].pTX = &gEeprom.VfoInfo[VFO].ConfigTX;
}
else
{
gEeprom.VfoInfo[VFO].pRX = &gEeprom.VfoInfo[VFO].ConfigTX;
gEeprom.VfoInfo[VFO].pTX = &gEeprom.VfoInfo[VFO].ConfigRX;
}
if (!gSetting_350EN)
{
FREQ_Config_t *pConfig = gEeprom.VfoInfo[VFO].pRX;
if (pConfig->Frequency < (35000000 + 4999991))
pConfig->Frequency = 41001250;
}
// if (gEeprom.VfoInfo[VFO].Band == BAND2_108MHz && gEeprom.VfoInfo[VFO].AM_CHANNEL_MODE)
if (gEeprom.VfoInfo[VFO].AM_CHANNEL_MODE) // allow AM on any frequency/band
{
gEeprom.VfoInfo[VFO].IsAM = true;
gEeprom.VfoInfo[VFO].SCRAMBLING_TYPE = 0;
gEeprom.VfoInfo[VFO].DTMF_DECODING_ENABLE = false;
gEeprom.VfoInfo[VFO].ConfigRX.CodeType = CODE_TYPE_OFF;
gEeprom.VfoInfo[VFO].ConfigTX.CodeType = CODE_TYPE_OFF;
}
else
gEeprom.VfoInfo[VFO].IsAM = false;
RADIO_ConfigureSquelchAndOutputPower(pRadio);
}
void RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo)
{
uint8_t Txp[3];
FREQUENCY_Band_t Band = FREQUENCY_GetBand(pInfo->pRX->Frequency);
uint16_t Base = (Band < BAND4_174MHz) ? 0x1E60 : 0x1E00;
if (gEeprom.SQUELCH_LEVEL == 0)
{
pInfo->SquelchOpenRSSIThresh = 0x00;
pInfo->SquelchOpenNoiseThresh = 0x7F;
pInfo->SquelchCloseGlitchThresh = 0xFF;
pInfo->SquelchCloseRSSIThresh = 0x00;
pInfo->SquelchCloseNoiseThresh = 0x7F;
pInfo->SquelchOpenGlitchThresh = 0xFF;
}
else
{
Base += gEeprom.SQUELCH_LEVEL;
EEPROM_ReadBuffer(Base + 0x00, &pInfo->SquelchOpenRSSIThresh, 1);
EEPROM_ReadBuffer(Base + 0x10, &pInfo->SquelchCloseRSSIThresh, 1);
EEPROM_ReadBuffer(Base + 0x20, &pInfo->SquelchOpenNoiseThresh, 1);
EEPROM_ReadBuffer(Base + 0x30, &pInfo->SquelchCloseNoiseThresh, 1);
EEPROM_ReadBuffer(Base + 0x40, &pInfo->SquelchCloseGlitchThresh, 1);
EEPROM_ReadBuffer(Base + 0x50, &pInfo->SquelchOpenGlitchThresh, 1);
if (pInfo->SquelchOpenNoiseThresh >= 0x80)
pInfo->SquelchOpenNoiseThresh = 0x7F;
if (pInfo->SquelchCloseNoiseThresh >= 0x80)
pInfo->SquelchCloseNoiseThresh = 0x7F;
}
Band = FREQUENCY_GetBand(pInfo->pTX->Frequency);
EEPROM_ReadBuffer(0x1ED0 + (Band * 16) + (pInfo->OUTPUT_POWER * 3), Txp, 3);
pInfo->TXP_CalculatedSetting =
FREQUENCY_CalculateOutputPower(
Txp[0],
Txp[1],
Txp[2],
LowerLimitFrequencyBandTable[Band],
MiddleFrequencyBandTable[Band],
UpperLimitFrequencyBandTable[Band],
pInfo->pTX->Frequency);
}
void RADIO_ApplyOffset(VFO_Info_t *pInfo)
{
uint32_t Frequency = pInfo->ConfigRX.Frequency;
switch (pInfo->FREQUENCY_DEVIATION_SETTING)
{
case FREQUENCY_DEVIATION_OFF:
break;
case FREQUENCY_DEVIATION_ADD:
Frequency += pInfo->FREQUENCY_OF_DEVIATION;
break;
case FREQUENCY_DEVIATION_SUB:
Frequency -= pInfo->FREQUENCY_OF_DEVIATION;
break;
}
// limit to 50MHz to 600MHz
if (Frequency < 5000000)
Frequency = 5000000;
else
if (Frequency > 60000000)
Frequency = 60000000;
pInfo->ConfigTX.Frequency = Frequency;
}
static void RADIO_SelectCurrentVfo(void)
{
gCurrentVfo = (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_OFF) ? gRxVfo : &gEeprom.VfoInfo[gEeprom.TX_CHANNEL];
}
void RADIO_SelectVfos(void)
{
if (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_CHAN_B)
gEeprom.TX_CHANNEL = 1;
else
if (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_CHAN_A)
gEeprom.TX_CHANNEL = 0;
else
if (gEeprom.DUAL_WATCH == DUAL_WATCH_CHAN_B)
gEeprom.TX_CHANNEL = 1;
else
if (gEeprom.DUAL_WATCH == DUAL_WATCH_CHAN_A)
gEeprom.TX_CHANNEL = 0;
if (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_OFF)
gEeprom.RX_CHANNEL = gEeprom.TX_CHANNEL;
else
gEeprom.RX_CHANNEL = (gEeprom.TX_CHANNEL == 0) ? 1 : 0;
gTxVfo = &gEeprom.VfoInfo[gEeprom.TX_CHANNEL];
gRxVfo = &gEeprom.VfoInfo[gEeprom.RX_CHANNEL];
RADIO_SelectCurrentVfo();
}
void RADIO_SetupRegisters(bool bSwitchToFunction0)
{
BK4819_FilterBandwidth_t Bandwidth;
uint16_t InterruptMask;
uint32_t Frequency;
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = false;
BK4819_ToggleGpioOut(BK4819_GPIO0_PIN28_GREEN, false);
Bandwidth = gRxVfo->CHANNEL_BANDWIDTH;
if (Bandwidth != BK4819_FILTER_BW_WIDE)
Bandwidth = BK4819_FILTER_BW_NARROW;
BK4819_SetFilterBandwidth(Bandwidth);
BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_RED, false);
BK4819_SetupPowerAmplifier(0, 0);
BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1, false);
while (1)
{
const uint16_t Status = BK4819_ReadRegister(BK4819_REG_0C);
if ((Status & 1u) == 0) // INTERRUPT REQUEST
break;
BK4819_WriteRegister(BK4819_REG_02, 0);
SYSTEM_DelayMs(1);
}
BK4819_WriteRegister(BK4819_REG_3F, 0);
// mic gain 0.5dB/step 0 to 31
BK4819_WriteRegister(BK4819_REG_7D, 0xE940 | (gEeprom.MIC_SENSITIVITY_TUNING & 0x1f));
#ifndef DISABLE_NOAA
if (IS_NOT_NOAA_CHANNEL(gRxVfo->CHANNEL_SAVE) || !gIsNoaaMode)
Frequency = gRxVfo->pRX->Frequency;
else
Frequency = NoaaFrequencyTable[gNoaaChannel];
#else
Frequency = gRxVfo->pRX->Frequency;
#endif
BK4819_SetFrequency(Frequency);
BK4819_SetupSquelch(
gRxVfo->SquelchOpenRSSIThresh,
gRxVfo->SquelchCloseRSSIThresh,
gRxVfo->SquelchOpenNoiseThresh,
gRxVfo->SquelchCloseNoiseThresh,
gRxVfo->SquelchCloseGlitchThresh,
gRxVfo->SquelchOpenGlitchThresh);
BK4819_PickRXFilterPathBasedOnFrequency(Frequency);
BK4819_ToggleGpioOut(BK4819_GPIO6_PIN2, true);
// AF Rx Gain and DAC
BK4819_WriteRegister(BK4819_REG_48, 0xB3A8);
InterruptMask = 0 | BK4819_REG_3F_SQUELCH_FOUND | BK4819_REG_3F_SQUELCH_LOST;
#ifndef DISABLE_NOAA
if (IS_NOT_NOAA_CHANNEL(gRxVfo->CHANNEL_SAVE))
#endif
{
if (!gRxVfo->IsAM)
{
uint8_t CodeType = gSelectedCodeType;
uint8_t Code = gSelectedCode;
if (gCssScanMode == CSS_SCAN_MODE_OFF)
{
CodeType = gRxVfo->pRX->CodeType;
Code = gRxVfo->pRX->Code;
}
switch (CodeType)
{
default:
case CODE_TYPE_OFF:
BK4819_SetCTCSSFrequency(670);
BK4819_Set55HzTailDetection();
InterruptMask = 0
| BK4819_REG_3F_CxCSS_TAIL
| BK4819_REG_3F_SQUELCH_FOUND
| BK4819_REG_3F_SQUELCH_LOST;
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
BK4819_SetCDCSSCodeWord(DCS_GetGolayCodeWord(CodeType, Code));
InterruptMask = 0
| BK4819_REG_3F_CxCSS_TAIL
| BK4819_REG_3F_CDCSS_FOUND
| BK4819_REG_3F_CDCSS_LOST
| BK4819_REG_3F_SQUELCH_FOUND
| BK4819_REG_3F_SQUELCH_LOST;
break;
case CODE_TYPE_CONTINUOUS_TONE:
BK4819_SetCTCSSFrequency(CTCSS_Options[Code]);
BK4819_Set55HzTailDetection();
InterruptMask = 0
| BK4819_REG_3F_CxCSS_TAIL
| BK4819_REG_3F_CTCSS_FOUND
| BK4819_REG_3F_CTCSS_LOST
| BK4819_REG_3F_SQUELCH_FOUND
| BK4819_REG_3F_SQUELCH_LOST;
break;
}
if (gRxVfo->SCRAMBLING_TYPE == 0 || !gSetting_ScrambleEnable)
BK4819_DisableScramble();
else
BK4819_EnableScramble(gRxVfo->SCRAMBLING_TYPE - 1);
}
}
#ifndef DISABLE_NOAA
else
{
BK4819_SetCTCSSFrequency(2625);
InterruptMask = 0
| BK4819_REG_3F_CTCSS_FOUND
| BK4819_REG_3F_CTCSS_LOST
| BK4819_REG_3F_SQUELCH_FOUND
| BK4819_REG_3F_SQUELCH_LOST;
}
#endif
#ifndef DISABLE_NOAA
if (gEeprom.VOX_SWITCH && !gFmRadioMode && IS_NOT_NOAA_CHANNEL(gCurrentVfo->CHANNEL_SAVE) && !gCurrentVfo->IsAM)
#else
if (gEeprom.VOX_SWITCH && !gFmRadioMode && !gCurrentVfo->IsAM)
#endif
{
BK4819_EnableVox(gEeprom.VOX1_THRESHOLD, gEeprom.VOX0_THRESHOLD);
InterruptMask |= 0 | BK4819_REG_3F_VOX_FOUND | BK4819_REG_3F_VOX_LOST;
}
else
BK4819_DisableVox();
if (gRxVfo->IsAM || (!gRxVfo->DTMF_DECODING_ENABLE && !gSetting_KILLED))
{
BK4819_DisableDTMF();
}
else
{
BK4819_EnableDTMF();
InterruptMask |= BK4819_REG_3F_DTMF_5TONE_FOUND;
}
// enable/disable BK4819 interrupts
BK4819_WriteRegister(BK4819_REG_3F, InterruptMask);
FUNCTION_Init();
if (bSwitchToFunction0)
FUNCTION_Select(FUNCTION_FOREGROUND);
}
#ifndef DISABLE_NOAA
void RADIO_ConfigureNOAA(void)
{
uint8_t ChanAB;
gUpdateStatus = true;
if (gEeprom.NOAA_AUTO_SCAN)
{
if (gEeprom.DUAL_WATCH != DUAL_WATCH_OFF)
{
if (IS_NOT_NOAA_CHANNEL(gEeprom.ScreenChannel[0]))
{
if (IS_NOT_NOAA_CHANNEL(gEeprom.ScreenChannel[1]))
{
gIsNoaaMode = false;
return;
}
ChanAB = 1;
}
else
ChanAB = 0;
if (!gIsNoaaMode)
gNoaaChannel = gEeprom.VfoInfo[ChanAB].CHANNEL_SAVE - NOAA_CHANNEL_FIRST;
gIsNoaaMode = true;
return;
}
if (gRxVfo->CHANNEL_SAVE >= NOAA_CHANNEL_FIRST)
{
gIsNoaaMode = true;
gNoaaChannel = gRxVfo->CHANNEL_SAVE - NOAA_CHANNEL_FIRST;
gNOAA_Countdown = 50;
gScheduleNOAA = false;
}
else
gIsNoaaMode = false;
}
else
gIsNoaaMode = false;
}
#endif
void RADIO_SetTxParameters(void)
{
BK4819_FilterBandwidth_t Bandwidth;
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = false;
BK4819_ToggleGpioOut(BK4819_GPIO6_PIN2, false);
Bandwidth = gCurrentVfo->CHANNEL_BANDWIDTH;
if (Bandwidth != BK4819_FILTER_BW_WIDE)
Bandwidth = BK4819_FILTER_BW_NARROW;
BK4819_SetFilterBandwidth(Bandwidth);
BK4819_SetFrequency(gCurrentVfo->pTX->Frequency);
BK4819_PrepareTransmit();
SYSTEM_DelayMs(10);
BK4819_PickRXFilterPathBasedOnFrequency(gCurrentVfo->pTX->Frequency);
BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1, true);
SYSTEM_DelayMs(5);
BK4819_SetupPowerAmplifier(gCurrentVfo->TXP_CalculatedSetting, gCurrentVfo->pTX->Frequency);
SYSTEM_DelayMs(10);
switch (gCurrentVfo->pTX->CodeType)
{
default:
case CODE_TYPE_OFF:
BK4819_ExitSubAu();
break;
case CODE_TYPE_CONTINUOUS_TONE:
BK4819_SetCTCSSFrequency(CTCSS_Options[gCurrentVfo->pTX->Code]);
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
BK4819_SetCDCSSCodeWord(
DCS_GetGolayCodeWord(gCurrentVfo->pTX->CodeType, gCurrentVfo->pTX->Code)
);
break;
}
}
void RADIO_SetVfoState(VfoState_t State)
{
if (State == VFO_STATE_NORMAL)
{
VfoState[0] = VFO_STATE_NORMAL;
VfoState[1] = VFO_STATE_NORMAL;
gFM_ResumeCountdown = 0;
}
else
{
if (State == VFO_STATE_VOLTAGE_HIGH)
{
VfoState[0] = VFO_STATE_VOLTAGE_HIGH;
VfoState[1] = VFO_STATE_TX_DISABLE;
}
else
{
const uint8_t Channel = (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_OFF) ? gEeprom.RX_CHANNEL : gEeprom.TX_CHANNEL;
VfoState[Channel] = State;
}
gFM_ResumeCountdown = 5;
}
gUpdateDisplay = true;
}
void RADIO_PrepareTX(void)
{
if (gEeprom.DUAL_WATCH != DUAL_WATCH_OFF)
{
gDualWatchCountdown = 360;
gScheduleDualWatch = false;
if (!gRxVfoIsActive)
{
gEeprom.RX_CHANNEL = gEeprom.TX_CHANNEL;
gRxVfo = &gEeprom.VfoInfo[gEeprom.TX_CHANNEL];
}
gRxVfoIsActive = true;
}
RADIO_SelectCurrentVfo();
#ifndef DISABLE_ALARM
if (gAlarmState == ALARM_STATE_OFF || gAlarmState == ALARM_STATE_TX1750 || (gAlarmState == ALARM_STATE_ALARM && gEeprom.ALARM_MODE == ALARM_MODE_TONE))
#endif
{
VfoState_t State;
#ifndef ENABLE_TX_WHEN_AM
// disable the TX when VFO/Channel is set to AM
// the radio does NOT do AM, the adverts are false
if (gCurrentVfo->IsAM)
State = VFO_STATE_TX_DISABLE;
else
#endif
if (!FREQUENCY_Check(gCurrentVfo))
{
if (gCurrentVfo->BUSY_CHANNEL_LOCK && gCurrentFunction == FUNCTION_RECEIVE)
State = VFO_STATE_BUSY;
else
if (gBatteryDisplayLevel == 0)
State = VFO_STATE_BAT_LOW;
else
if (gBatteryDisplayLevel >= 6)
State = VFO_STATE_VOLTAGE_HIGH;
else
goto Skip;
}
else
State = VFO_STATE_TX_DISABLE;
RADIO_SetVfoState(State);
#ifndef DISABLE_ALARM
gAlarmState = ALARM_STATE_OFF;
#endif
AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL);
gDTMF_ReplyState = DTMF_REPLY_NONE;
return;
}
Skip:
if (gDTMF_ReplyState == DTMF_REPLY_ANI)
{
if (gDTMF_CallMode == DTMF_CALL_MODE_DTMF)
{
gDTMF_IsTx = true;
gDTMF_CallState = DTMF_CALL_STATE_NONE;
gDTMF_TxStopCountdown = 6;
}
else
{
gDTMF_CallState = DTMF_CALL_STATE_CALL_OUT;
gDTMF_IsTx = false;
}
}
FUNCTION_Select(FUNCTION_TRANSMIT);
#ifndef DISABLE_ALARM
gTxTimerCountdown = (gAlarmState == ALARM_STATE_OFF) ? gEeprom.TX_TIMEOUT_TIMER * 120 : 0;
#else
gTxTimerCountdown = gEeprom.TX_TIMEOUT_TIMER * 120;
#endif
gTxTimeoutReached = false;
gFlagEndTransmission = false;
gRTTECountdown = 0;
gDTMF_ReplyState = DTMF_REPLY_NONE;
}
void RADIO_EnableCxCSS(void)
{
switch (gCurrentVfo->pTX->CodeType)
{
case CODE_TYPE_OFF:
break;
case CODE_TYPE_CONTINUOUS_TONE:
BK4819_EnableCTCSS();
SYSTEM_DelayMs(200);
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
BK4819_EnableCDCSS();
SYSTEM_DelayMs(200);
break;
}
}
void RADIO_PrepareCssTX(void)
{
RADIO_PrepareTX();
SYSTEM_DelayMs(200);
RADIO_EnableCxCSS();
RADIO_SetupRegisters(true);
}
void RADIO_SendEndOfTransmission(void)
{
if (gEeprom.ROGER == ROGER_MODE_ROGER)
BK4819_PlayRoger();
else
if (gEeprom.ROGER == ROGER_MODE_MDC)
BK4819_PlayRogerMDC();
if (gDTMF_CallState == DTMF_CALL_STATE_NONE && (gCurrentVfo->DTMF_PTT_ID_TX_MODE == PTT_ID_EOT || gCurrentVfo->DTMF_PTT_ID_TX_MODE == PTT_ID_BOTH))
{
if (gEeprom.DTMF_SIDE_TONE)
{
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = true;
SYSTEM_DelayMs(60);
}
BK4819_EnterDTMF_TX(gEeprom.DTMF_SIDE_TONE);
BK4819_PlayDTMFString(
gEeprom.DTMF_DOWN_CODE,
0,
gEeprom.DTMF_FIRST_CODE_PERSIST_TIME,
gEeprom.DTMF_HASH_CODE_PERSIST_TIME,
gEeprom.DTMF_CODE_PERSIST_TIME,
gEeprom.DTMF_CODE_INTERVAL_TIME);
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
gEnableSpeaker = false;
}
BK4819_ExitDTMF_TX(true);
}