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radio.c
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radio.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/dtmf.h"
#ifdef ENABLE_FMRADIO
#include "app/fm.h"
#endif
#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"
#include "ui/menu.h"
vfo_info_t *g_tx_vfo;
vfo_info_t *g_rx_vfo;
vfo_info_t *g_current_vfo;
dcs_code_type_t g_selected_code_type;
dcs_code_type_t g_current_code_type;
uint8_t g_selected_code;
step_setting_t g_step_setting;
vfo_state_t g_vfo_state[2];
bool RADIO_CheckValidChannel(uint16_t Channel, bool bCheckScanList, uint8_t VFO)
{ // return true if the channel appears valid
uint8_t Attributes;
uint8_t PriorityCh1;
uint8_t PriorityCh2;
if (Channel > USER_CHANNEL_LAST)
return false;
Attributes = g_user_channel_attributes[Channel];
if ((Attributes & USER_CH_BAND_MASK) > BAND7_470MHz)
return false;
if (bCheckScanList)
{
switch (VFO)
{
case 0:
if ((Attributes & USER_CH_SCANLIST1) == 0)
return false;
PriorityCh1 = g_eeprom.scan_list_priority_ch1[0];
PriorityCh2 = g_eeprom.scan_list_priority_ch2[0];
break;
case 1:
if ((Attributes & USER_CH_SCANLIST2) == 0)
return false;
PriorityCh1 = g_eeprom.scan_list_priority_ch1[1];
PriorityCh2 = g_eeprom.scan_list_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, scan_state_dir_t Direction, bool bCheckScanList, uint8_t VFO)
{
unsigned int i;
for (i = 0; i <= USER_CHANNEL_LAST; i++)
{
if (Channel == 0xFF)
Channel = USER_CHANNEL_LAST;
else
if (Channel > USER_CHANNEL_LAST)
Channel = USER_CHANNEL_FIRST;
if (RADIO_CheckValidChannel(Channel, bCheckScanList, VFO))
return Channel;
Channel += Direction;
}
return 0xFF;
}
void RADIO_InitInfo(vfo_info_t *pInfo, const uint8_t ChannelSave, const uint32_t Frequency)
{
memset(pInfo, 0, sizeof(*pInfo));
pInfo->band = FREQUENCY_GetBand(Frequency);
pInfo->scanlist_1_participation = true;
pInfo->scanlist_2_participation = true;
pInfo->step_setting = STEP_12_5kHz;
pInfo->step_freq = STEP_FREQ_TABLE[pInfo->step_setting];
pInfo->channel_save = ChannelSave;
pInfo->frequency_reverse = false;
pInfo->output_power = OUTPUT_POWER_LOW;
pInfo->freq_config_rx.frequency = Frequency;
pInfo->freq_config_tx.frequency = Frequency;
pInfo->pRX = &pInfo->freq_config_rx;
pInfo->pTX = &pInfo->freq_config_tx;
pInfo->compander = 0; // off
if (ChannelSave == (FREQ_CHANNEL_FIRST + BAND2_108MHz))
pInfo->am_mode = 1;
RADIO_ConfigureSquelchAndOutputPower(pInfo);
}
void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure)
{
uint8_t Channel;
uint8_t Attributes;
uint8_t Band;
bool bParticipation2;
uint16_t Base;
uint32_t Frequency;
vfo_info_t *pRadio = &g_eeprom.vfo_info[VFO];
if (!g_setting_350_enable)
{
if (g_eeprom.freq_channel[VFO] == (FREQ_CHANNEL_LAST - 2))
g_eeprom.freq_channel[VFO] = FREQ_CHANNEL_LAST - 1;
if (g_eeprom.screen_channel[VFO] == (FREQ_CHANNEL_LAST - 2))
g_eeprom.screen_channel[VFO] = FREQ_CHANNEL_LAST - 1;
}
Channel = g_eeprom.screen_channel[VFO];
if (IS_VALID_CHANNEL(Channel))
{
#ifdef ENABLE_NOAA
if (Channel >= NOAA_CHANNEL_FIRST)
{
RADIO_InitInfo(pRadio, g_eeprom.screen_channel[VFO], NoaaFrequencyTable[Channel - NOAA_CHANNEL_FIRST]);
if (g_eeprom.cross_vfo_rx_tx == CROSS_BAND_OFF)
return;
g_eeprom.cross_vfo_rx_tx = CROSS_BAND_OFF;
g_update_status = true;
return;
}
#endif
if (Channel <= USER_CHANNEL_LAST)
{
Channel = RADIO_FindNextChannel(Channel, SCAN_FWD, false, VFO);
if (Channel == 0xFF)
{
Channel = g_eeprom.freq_channel[VFO];
g_eeprom.screen_channel[VFO] = g_eeprom.freq_channel[VFO];
}
else
{
g_eeprom.screen_channel[VFO] = Channel;
g_eeprom.user_channel[VFO] = Channel;
}
}
}
else
Channel = FREQ_CHANNEL_LAST - 1;
Attributes = g_user_channel_attributes[Channel];
if (Attributes == 0xFF)
{ // invalid/unused channel
uint8_t Index;
if (Channel <= USER_CHANNEL_LAST)
{
Channel = g_eeprom.freq_channel[VFO];
g_eeprom.screen_channel[VFO] = g_eeprom.freq_channel[VFO];
}
Index = Channel - FREQ_CHANNEL_FIRST;
RADIO_InitInfo(pRadio, Channel, FREQ_BAND_TABLE[Index].lower);
return;
}
Band = Attributes & USER_CH_BAND_MASK;
if (Band > BAND7_470MHz)
{
Band = BAND6_400MHz;
}
if (Channel <= USER_CHANNEL_LAST)
{
g_eeprom.vfo_info[VFO].band = Band;
g_eeprom.vfo_info[VFO].scanlist_1_participation = (Attributes & USER_CH_SCANLIST1) ? true : false;
bParticipation2 = (Attributes & USER_CH_SCANLIST2) ? true : false;
}
else
{
Band = Channel - FREQ_CHANNEL_FIRST;
g_eeprom.vfo_info[VFO].band = Band;
bParticipation2 = true;
g_eeprom.vfo_info[VFO].scanlist_1_participation = true;
}
g_eeprom.vfo_info[VFO].scanlist_2_participation = bParticipation2;
g_eeprom.vfo_info[VFO].channel_save = Channel;
if (Channel <= USER_CHANNEL_LAST)
Base = Channel * 16;
else
Base = 0x0C80 + ((Channel - FREQ_CHANNEL_FIRST) * 32) + (VFO * 16);
if (configure == VFO_CONFIGURE_RELOAD || Channel >= FREQ_CHANNEL_FIRST)
{
uint8_t Tmp;
uint8_t Data[8];
// ***************
EEPROM_ReadBuffer(Base + 8, Data, sizeof(Data));
Tmp = Data[3] & 0x0F;
if (Tmp > TX_OFFSET_FREQ_DIR_SUB)
Tmp = 0;
g_eeprom.vfo_info[VFO].tx_offset_freq_dir = Tmp;
g_eeprom.vfo_info[VFO].am_mode = (Data[3] >> 4) & 1u;
Tmp = Data[6];
if (Tmp >= ARRAY_SIZE(STEP_FREQ_TABLE))
Tmp = STEP_12_5kHz;
g_eeprom.vfo_info[VFO].step_setting = Tmp;
g_eeprom.vfo_info[VFO].step_freq = STEP_FREQ_TABLE[Tmp];
Tmp = Data[7];
if (Tmp > (ARRAY_SIZE(g_sub_menu_SCRAMBLER) - 1))
Tmp = 0;
g_eeprom.vfo_info[VFO].scrambling_type = Tmp;
g_eeprom.vfo_info[VFO].freq_config_rx.code_type = (Data[2] >> 0) & 0x0F;
g_eeprom.vfo_info[VFO].freq_config_tx.code_type = (Data[2] >> 4) & 0x0F;
Tmp = Data[0];
switch (g_eeprom.vfo_info[VFO].freq_config_rx.code_type)
{
default:
case CODE_TYPE_OFF:
g_eeprom.vfo_info[VFO].freq_config_rx.code_type = CODE_TYPE_OFF;
Tmp = 0;
break;
case CODE_TYPE_CONTINUOUS_TONE:
if (Tmp > (ARRAY_SIZE(CTCSS_OPTIONS) - 1))
Tmp = 0;
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
if (Tmp > (ARRAY_SIZE(DCS_OPTIONS) - 1))
Tmp = 0;
break;
}
g_eeprom.vfo_info[VFO].freq_config_rx.code = Tmp;
Tmp = Data[1];
switch (g_eeprom.vfo_info[VFO].freq_config_tx.code_type)
{
default:
case CODE_TYPE_OFF:
g_eeprom.vfo_info[VFO].freq_config_tx.code_type = CODE_TYPE_OFF;
Tmp = 0;
break;
case CODE_TYPE_CONTINUOUS_TONE:
if (Tmp > (ARRAY_SIZE(CTCSS_OPTIONS) - 1))
Tmp = 0;
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
if (Tmp > (ARRAY_SIZE(DCS_OPTIONS) - 1))
Tmp = 0;
break;
}
g_eeprom.vfo_info[VFO].freq_config_tx.code = Tmp;
if (Data[4] == 0xFF)
{
g_eeprom.vfo_info[VFO].frequency_reverse = false;
g_eeprom.vfo_info[VFO].channel_bandwidth = BK4819_FILTER_BW_WIDE;
g_eeprom.vfo_info[VFO].output_power = OUTPUT_POWER_LOW;
g_eeprom.vfo_info[VFO].busy_channel_lock = false;
}
else
{
const uint8_t d4 = Data[4];
g_eeprom.vfo_info[VFO].frequency_reverse = ((d4 >> 0) & 1u) ? true : false;
g_eeprom.vfo_info[VFO].channel_bandwidth = ((d4 >> 1) & 1u) ? true : false;
g_eeprom.vfo_info[VFO].output_power = (d4 >> 2) & 3u;
g_eeprom.vfo_info[VFO].busy_channel_lock = ((d4 >> 4) & 1u) ? true : false;
}
if (Data[5] == 0xFF)
{
g_eeprom.vfo_info[VFO].dtmf_decoding_enable = false;
g_eeprom.vfo_info[VFO].dtmf_ptt_id_tx_mode = PTT_ID_OFF;
}
else
{
g_eeprom.vfo_info[VFO].dtmf_decoding_enable = ((Data[5] >> 0) & 1u) ? true : false;
g_eeprom.vfo_info[VFO].dtmf_ptt_id_tx_mode = ((Data[5] >> 1) & 7u);
}
// ***************
struct
{
uint32_t frequency;
uint32_t offset;
} __attribute__((packed)) info;
EEPROM_ReadBuffer(Base, &info, sizeof(info));
pRadio->freq_config_rx.frequency = info.frequency;
if (info.offset >= 100000000)
info.offset = 1000000;
g_eeprom.vfo_info[VFO].tx_offset_freq = info.offset;
// ***************
}
Frequency = pRadio->freq_config_rx.frequency;
#if 1
// fix previously set incorrect band
Band = FREQUENCY_GetBand(Frequency);
#endif
if (Frequency < FREQ_BAND_TABLE[Band].lower)
Frequency = FREQ_BAND_TABLE[Band].lower;
else
if (Frequency > FREQ_BAND_TABLE[Band].upper)
Frequency = FREQ_BAND_TABLE[Band].upper;
else
if (Channel >= FREQ_CHANNEL_FIRST)
Frequency = FREQUENCY_FloorToStep(Frequency, g_eeprom.vfo_info[VFO].step_freq, FREQ_BAND_TABLE[Band].lower);
pRadio->freq_config_rx.frequency = Frequency;
if (Frequency >= 10800000 && Frequency < 13600000)
g_eeprom.vfo_info[VFO].tx_offset_freq_dir = TX_OFFSET_FREQ_DIR_OFF;
else
if (Channel > USER_CHANNEL_LAST)
g_eeprom.vfo_info[VFO].tx_offset_freq = FREQUENCY_FloorToStep(g_eeprom.vfo_info[VFO].tx_offset_freq, g_eeprom.vfo_info[VFO].step_freq, 0);
RADIO_ApplyOffset(pRadio);
memset(g_eeprom.vfo_info[VFO].name, 0, sizeof(g_eeprom.vfo_info[VFO].name));
if (Channel < USER_CHANNEL_LAST)
{ // 16 bytes allocated to the channel name but only 10 used, the rest are 0's
EEPROM_ReadBuffer(0x0F50 + (Channel * 16), g_eeprom.vfo_info[VFO].name + 0, 8);
EEPROM_ReadBuffer(0x0F58 + (Channel * 16), g_eeprom.vfo_info[VFO].name + 8, 2);
}
if (!g_eeprom.vfo_info[VFO].frequency_reverse)
{
g_eeprom.vfo_info[VFO].pRX = &g_eeprom.vfo_info[VFO].freq_config_rx;
g_eeprom.vfo_info[VFO].pTX = &g_eeprom.vfo_info[VFO].freq_config_tx;
}
else
{
g_eeprom.vfo_info[VFO].pRX = &g_eeprom.vfo_info[VFO].freq_config_tx;
g_eeprom.vfo_info[VFO].pTX = &g_eeprom.vfo_info[VFO].freq_config_rx;
}
if (!g_setting_350_enable)
{
freq_config_t *pConfig = g_eeprom.vfo_info[VFO].pRX;
if (pConfig->frequency >= 35000000 && pConfig->frequency < 40000000) // not allowed in this range
pConfig->frequency = 43300000; // hop onto the ham band
}
if (g_eeprom.vfo_info[VFO].am_mode)
{ // freq/chan is in AM mode
g_eeprom.vfo_info[VFO].scrambling_type = 0;
// g_eeprom.vfo_info[VFO].dtmf_decoding_enable = false; // no reason to disable DTMF decoding, aircraft use it on SSB
g_eeprom.vfo_info[VFO].freq_config_rx.code_type = CODE_TYPE_OFF;
g_eeprom.vfo_info[VFO].freq_config_tx.code_type = CODE_TYPE_OFF;
}
g_eeprom.vfo_info[VFO].compander = (Attributes & USER_CH_COMPAND) >> 4;
RADIO_ConfigureSquelchAndOutputPower(pRadio);
}
void RADIO_ConfigureSquelchAndOutputPower(vfo_info_t *pInfo)
{
uint8_t TX_power[3];
FREQUENCY_Band_t Band;
// *******************************
// squelch
Band = FREQUENCY_GetBand(pInfo->pRX->frequency);
uint16_t Base = (Band < BAND4_174MHz) ? 0x1E60 : 0x1E00;
if (g_eeprom.squelch_level == 0)
{ // squelch == 0 (off)
pInfo->squelch_open_rssi_thresh = 0; // 0 ~ 255
pInfo->squelch_open_noise_thresh = 127; // 127 ~ 0
pInfo->squelch_close_glitch_thresh = 255; // 255 ~ 0
pInfo->squelch_close_rssi_thresh = 0; // 0 ~ 255
pInfo->squelch_close_noise_thresh = 127; // 127 ~ 0
pInfo->squelch_open_glitch_thresh = 255; // 255 ~ 0
}
else
{ // squelch >= 1
Base += g_eeprom.squelch_level; // my eeprom squelch-1
// VHF UHF
EEPROM_ReadBuffer(Base + 0x00, &pInfo->squelch_open_rssi_thresh, 1); // 50 10
EEPROM_ReadBuffer(Base + 0x10, &pInfo->squelch_close_rssi_thresh, 1); // 40 5
EEPROM_ReadBuffer(Base + 0x20, &pInfo->squelch_open_noise_thresh, 1); // 65 90
EEPROM_ReadBuffer(Base + 0x30, &pInfo->squelch_close_noise_thresh, 1); // 70 100
EEPROM_ReadBuffer(Base + 0x40, &pInfo->squelch_close_glitch_thresh, 1); // 90 90
EEPROM_ReadBuffer(Base + 0x50, &pInfo->squelch_open_glitch_thresh, 1); // 100 100
uint16_t rssi_open = pInfo->squelch_open_rssi_thresh;
uint16_t rssi_close = pInfo->squelch_close_rssi_thresh;
uint16_t noise_open = pInfo->squelch_open_noise_thresh;
uint16_t noise_close = pInfo->squelch_close_noise_thresh;
uint16_t glitch_open = pInfo->squelch_open_glitch_thresh;
uint16_t glitch_close = pInfo->squelch_close_glitch_thresh;
#if ENABLE_SQUELCH_MORE_SENSITIVE
// make squelch a little more sensitive
//
// getting the best setting here is still experimental, bare with me
//
// note that 'noise' and 'glitch' values are inverted compared to 'rssi' values
#if 0
rssi_open = (rssi_open * 8) / 9;
noise_open = (noise_open * 9) / 8;
glitch_open = (glitch_open * 9) / 8;
#else
// even more sensitive .. use when RX bandwidths are fixed (no weak signal auto adjust)
rssi_open = (rssi_open * 1) / 2;
noise_open = (noise_open * 2) / 1;
glitch_open = (glitch_open * 2) / 1;
#endif
#else
// more sensitive .. use when RX bandwidths are fixed (no weak signal auto adjust)
rssi_open = (rssi_open * 3) / 4;
noise_open = (noise_open * 4) / 3;
glitch_open = (glitch_open * 4) / 3;
#endif
rssi_close = (rssi_open * 9) / 10;
noise_close = (noise_open * 10) / 9;
glitch_close = (glitch_open * 10) / 9;
// ensure the 'close' threshold is lower than the 'open' threshold
if (rssi_close == rssi_open && rssi_close >= 2)
rssi_close -= 2;
if (noise_close == noise_open && noise_close <= 125)
noise_close += 2;
if (glitch_close == glitch_open && glitch_close <= 253)
glitch_close += 2;
pInfo->squelch_open_rssi_thresh = (rssi_open > 255) ? 255 : rssi_open;
pInfo->squelch_close_rssi_thresh = (rssi_close > 255) ? 255 : rssi_close;
pInfo->squelch_open_noise_thresh = (noise_open > 127) ? 127 : noise_open;
pInfo->squelch_close_noise_thresh = (noise_close > 127) ? 127 : noise_close;
pInfo->squelch_open_glitch_thresh = (glitch_open > 255) ? 255 : glitch_open;
pInfo->squelch_close_glitch_thresh = (glitch_close > 255) ? 255 : glitch_close;
}
// *******************************
// output power
// my calibration data
//
// 1ED0 32 32 32 64 64 64 8C 8C 8C FF FF FF FF FF FF FF .. 50 MHz
// 1EE0 32 32 32 64 64 64 8C 8C 8C FF FF FF FF FF FF FF .. 108 MHz
// 1EF0 5F 5F 5F 69 69 69 91 91 8F FF FF FF FF FF FF FF .. 136 MHz
// 1F00 32 32 32 64 64 64 8C 8C 8C FF FF FF FF FF FF FF .. 174 MHz
// 1F10 5A 5A 5A 64 64 64 82 82 82 FF FF FF FF FF FF FF .. 350 MHz
// 1F20 5A 5A 5A 64 64 64 8F 91 8A FF FF FF FF FF FF FF .. 400 MHz
// 1F30 32 32 32 64 64 64 8C 8C 8C FF FF FF FF FF FF FF .. 470 MHz
Band = FREQUENCY_GetBand(pInfo->pTX->frequency);
EEPROM_ReadBuffer(0x1ED0 + (Band * 16) + (pInfo->output_power * 3), TX_power, 3);
pInfo->txp_calculated_setting = FREQUENCY_CalculateOutputPower(
TX_power[0],
TX_power[1],
TX_power[2],
FREQ_BAND_TABLE[Band].lower,
(FREQ_BAND_TABLE[Band].lower + FREQ_BAND_TABLE[Band].upper) / 2,
FREQ_BAND_TABLE[Band].upper,
pInfo->pTX->frequency);
// *******************************
}
void RADIO_ApplyOffset(vfo_info_t *pInfo)
{
uint32_t Frequency = pInfo->freq_config_rx.frequency;
switch (pInfo->tx_offset_freq_dir)
{
case TX_OFFSET_FREQ_DIR_OFF:
break;
case TX_OFFSET_FREQ_DIR_ADD:
Frequency += pInfo->tx_offset_freq;
break;
case TX_OFFSET_FREQ_DIR_SUB:
Frequency -= pInfo->tx_offset_freq;
break;
}
if (Frequency < FREQ_BAND_TABLE[0].lower)
Frequency = FREQ_BAND_TABLE[0].lower;
else
if (Frequency > FREQ_BAND_TABLE[ARRAY_SIZE(FREQ_BAND_TABLE) - 1].upper)
Frequency = FREQ_BAND_TABLE[ARRAY_SIZE(FREQ_BAND_TABLE) - 1].upper;
pInfo->freq_config_tx.frequency = Frequency;
}
static void RADIO_SelectCurrentVfo(void)
{
g_current_vfo = (g_eeprom.cross_vfo_rx_tx == CROSS_BAND_OFF) ? g_rx_vfo : &g_eeprom.vfo_info[g_eeprom.tx_vfo];
}
void RADIO_SelectVfos(void)
{
g_eeprom.tx_vfo = get_TX_VFO();
g_eeprom.rx_vfo = (g_eeprom.cross_vfo_rx_tx == CROSS_BAND_OFF) ? g_eeprom.tx_vfo : (g_eeprom.tx_vfo + 1) & 1u;
g_tx_vfo = &g_eeprom.vfo_info[g_eeprom.tx_vfo];
g_rx_vfo = &g_eeprom.vfo_info[g_eeprom.rx_vfo];
RADIO_SelectCurrentVfo();
}
void RADIO_SetupRegisters(bool bSwitchToFunction0)
{
BK4819_filter_bandwidth_t Bandwidth = g_rx_vfo->channel_bandwidth;
uint16_t InterruptMask;
uint32_t Frequency;
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
g_enable_speaker = false;
BK4819_set_GPIO_pin(BK4819_GPIO0_PIN28_GREEN, false);
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wimplicit-fallthrough="
switch (Bandwidth)
{
default:
Bandwidth = BK4819_FILTER_BW_WIDE;
case BK4819_FILTER_BW_WIDE:
case BK4819_FILTER_BW_NARROW:
#ifdef ENABLE_AM_FIX
// BK4819_SetFilterBandwidth(Bandwidth, g_rx_vfo->am_mode && g_setting_am_fix);
BK4819_SetFilterBandwidth(Bandwidth, true);
#else
BK4819_SetFilterBandwidth(Bandwidth, false);
#endif
break;
}
#pragma GCC diagnostic pop
BK4819_set_GPIO_pin(BK4819_GPIO1_PIN29_RED, false);
BK4819_SetupPowerAmplifier(0, 0);
BK4819_set_GPIO_pin(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 | (g_eeprom.mic_sensitivity_tuning & 0x1f));
#ifdef ENABLE_NOAA
if (IS_NOT_NOAA_CHANNEL(g_rx_vfo->channel_save) || !g_is_noaa_mode)
Frequency = g_rx_vfo->pRX->frequency;
else
Frequency = NoaaFrequencyTable[g_noaa_channel];
#else
Frequency = g_rx_vfo->pRX->frequency;
#endif
BK4819_SetFrequency(Frequency);
BK4819_SetupSquelch(
g_rx_vfo->squelch_open_rssi_thresh, g_rx_vfo->squelch_close_rssi_thresh,
g_rx_vfo->squelch_open_noise_thresh, g_rx_vfo->squelch_close_noise_thresh,
g_rx_vfo->squelch_close_glitch_thresh, g_rx_vfo->squelch_open_glitch_thresh);
BK4819_PickRXFilterPathBasedOnFrequency(Frequency);
// what does this in do ?
BK4819_set_GPIO_pin(BK4819_GPIO6_PIN2, true);
// AF RX Gain and DAC
BK4819_WriteRegister(BK4819_REG_48, 0xB3A8); // 1011 00 111010 1000
InterruptMask = BK4819_REG_3F_SQUELCH_FOUND | BK4819_REG_3F_SQUELCH_LOST;
#ifdef ENABLE_NOAA
if (IS_NOT_NOAA_CHANNEL(g_rx_vfo->channel_save))
#endif
{
if (g_rx_vfo->am_mode == 0)
{ // FM
uint8_t code_type = g_selected_code_type;
uint8_t Code = g_selected_code;
if (g_css_scan_mode == CSS_SCAN_MODE_OFF)
{
code_type = g_rx_vfo->pRX->code_type;
Code = g_rx_vfo->pRX->code;
}
switch (code_type)
{
default:
case CODE_TYPE_OFF:
BK4819_SetCTCSSFrequency(670);
//#ifndef ENABLE_CTCSS_TAIL_PHASE_SHIFT
BK4819_SetTailDetection(550); // QS's 55Hz tone method
//#else
// BK4819_SetTailDetection(670); // 67Hz
//#endif
InterruptMask = BK4819_REG_3F_CxCSS_TAIL | BK4819_REG_3F_SQUELCH_FOUND | BK4819_REG_3F_SQUELCH_LOST;
break;
case CODE_TYPE_CONTINUOUS_TONE:
BK4819_SetCTCSSFrequency(CTCSS_OPTIONS[Code]);
//#ifndef ENABLE_CTCSS_TAIL_PHASE_SHIFT
BK4819_SetTailDetection(550); // QS's 55Hz tone method
//#else
// BK4819_SetTailDetection(CTCSS_OPTIONS[Code]);
//#endif
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;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
BK4819_SetCDCSSCodeWord(DCS_GetGolayCodeWord(code_type, 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;
}
if (g_rx_vfo->scrambling_type > 0 && g_setting_scramble_enable)
BK4819_EnableScramble(g_rx_vfo->scrambling_type - 1);
else
BK4819_DisableScramble();
}
}
#ifdef ENABLE_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
#ifdef ENABLE_VOX
#ifdef ENABLE_NOAA
#ifdef ENABLE_FMRADIO
if (g_eeprom.vox_switch && !g_fm_radio_mode && IS_NOT_NOAA_CHANNEL(g_current_vfo->channel_save) && g_current_vfo->am_mode == 0)
#else
if (g_eeprom.vox_switch && IS_NOT_NOAA_CHANNEL(g_current_vfo->channel_save) && g_current_vfo->am_mode == 0)
#endif
#else
#ifdef ENABLE_FMRADIO
if (g_eeprom.vox_switch && !g_fm_radio_mode && g_current_vfo->am_mode == 0)
#else
if (g_eeprom.vox_switch && g_current_vfo->am_mode == 0)
#endif
#endif
{
BK4819_EnableVox(g_eeprom.vox1_threshold, g_eeprom.vox0_threshold);
InterruptMask |= BK4819_REG_3F_VOX_FOUND | BK4819_REG_3F_VOX_LOST;
}
else
#endif
BK4819_DisableVox();
// RX expander
BK4819_SetCompander((g_rx_vfo->am_mode == 0 && g_rx_vfo->compander >= 2) ? g_rx_vfo->compander : 0);
#if 0
if (!g_rx_vfo->dtmf_decoding_enable && !g_setting_killed)
{
BK4819_DisableDTMF();
}
else
{
BK4819_EnableDTMF();
InterruptMask |= BK4819_REG_3F_DTMF_5TONE_FOUND;
}
#else
if (g_current_function != FUNCTION_TRANSMIT)
{
BK4819_DisableDTMF();
BK4819_EnableDTMF();
InterruptMask |= BK4819_REG_3F_DTMF_5TONE_FOUND;
}
else
{
BK4819_DisableDTMF();
}
#endif
// enable/disable BK4819 selected interrupts
BK4819_WriteRegister(BK4819_REG_3F, InterruptMask);
FUNCTION_Init();
if (bSwitchToFunction0)
FUNCTION_Select(FUNCTION_FOREGROUND);
}
#ifdef ENABLE_NOAA
void RADIO_ConfigureNOAA(void)
{
uint8_t ChanAB;
g_update_status = true;
if (g_eeprom.noaa_auto_scan)
{
if (g_eeprom.dual_watch != DUAL_WATCH_OFF)
{
if (IS_NOT_NOAA_CHANNEL(g_eeprom.screen_channel[0]))
{
if (IS_NOT_NOAA_CHANNEL(g_eeprom.screen_channel[1]))
{
g_is_noaa_mode = false;
return;
}
ChanAB = 1;
}
else
ChanAB = 0;
if (!g_is_noaa_mode)
g_noaa_channel = g_eeprom.vfo_info[ChanAB].channel_save - NOAA_CHANNEL_FIRST;
g_is_noaa_mode = true;
return;
}
if (g_rx_vfo->channel_save >= NOAA_CHANNEL_FIRST)
{
g_is_noaa_mode = true;
g_noaa_channel = g_rx_vfo->channel_save - NOAA_CHANNEL_FIRST;
g_noaa_count_down_10ms = noaa_count_down_2_10ms;
g_schedule_noaa = false;
}
else
g_is_noaa_mode = false;
}
else
g_is_noaa_mode = false;
}
#endif
void RADIO_SetTxParameters(void)
{
BK4819_filter_bandwidth_t Bandwidth = g_current_vfo->channel_bandwidth;
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
g_enable_speaker = false;
BK4819_set_GPIO_pin(BK4819_GPIO6_PIN2, false);
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wimplicit-fallthrough="
switch (Bandwidth)
{
default:
Bandwidth = BK4819_FILTER_BW_WIDE;
case BK4819_FILTER_BW_WIDE:
case BK4819_FILTER_BW_NARROW:
#ifdef ENABLE_AM_FIX
// BK4819_SetFilterBandwidth(Bandwidth, g_current_vfo->am_mode && g_setting_am_fix);
BK4819_SetFilterBandwidth(Bandwidth, true);
#else
BK4819_SetFilterBandwidth(Bandwidth, false);
#endif
break;
}
#pragma GCC diagnostic pop
BK4819_SetFrequency(g_current_vfo->pTX->frequency);
// TX compressor
BK4819_SetCompander((g_rx_vfo->am_mode == 0 && (g_rx_vfo->compander == 1 || g_rx_vfo->compander >= 3)) ? g_rx_vfo->compander : 0);
BK4819_PrepareTransmit();
SYSTEM_DelayMs(10);
BK4819_PickRXFilterPathBasedOnFrequency(g_current_vfo->pTX->frequency);
BK4819_set_GPIO_pin(BK4819_GPIO5_PIN1, true);
SYSTEM_DelayMs(5);
BK4819_SetupPowerAmplifier(g_current_vfo->txp_calculated_setting, g_current_vfo->pTX->frequency);
SYSTEM_DelayMs(10);
switch (g_current_vfo->pTX->code_type)
{
default:
case CODE_TYPE_OFF:
BK4819_ExitSubAu();
break;
case CODE_TYPE_CONTINUOUS_TONE:
BK4819_SetCTCSSFrequency(CTCSS_OPTIONS[g_current_vfo->pTX->code]);
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
BK4819_SetCDCSSCodeWord(DCS_GetGolayCodeWord(g_current_vfo->pTX->code_type, g_current_vfo->pTX->code));
break;
}
}
void RADIO_Setg_vfo_state(vfo_state_t State)
{
if (State == VFO_STATE_NORMAL)
{
g_vfo_state[0] = VFO_STATE_NORMAL;
g_vfo_state[1] = VFO_STATE_NORMAL;
#ifdef ENABLE_FMRADIO
g_fm_resume_count_down_500ms = 0;
#endif
}
else
{
if (State == VFO_STATE_VOLTAGE_HIGH)
{
g_vfo_state[0] = VFO_STATE_VOLTAGE_HIGH;
g_vfo_state[1] = VFO_STATE_TX_DISABLE;
}
else
{ // 1of11
const unsigned int vfo = (g_eeprom.cross_vfo_rx_tx == CROSS_BAND_OFF) ? g_eeprom.rx_vfo : g_eeprom.tx_vfo;
g_vfo_state[vfo] = State;
}
#ifdef ENABLE_FMRADIO
g_fm_resume_count_down_500ms = fm_resume_countdown_500ms;
#endif
}
g_update_display = true;
}
void RADIO_PrepareTX(void)
{
vfo_state_t State = VFO_STATE_NORMAL; // default to OK to TX
if (g_eeprom.dual_watch != DUAL_WATCH_OFF)
{ // dual-RX is enabled
g_dual_watch_count_down_10ms = dual_watch_count_after_tx_10ms;
g_schedule_dual_watch = false;
#if 0
if (g_rx_vfo_is_active)
{ // use the TX vfo
g_eeprom.rx_vfo = g_eeprom.tx_vfo;
g_rx_vfo = &g_eeprom.vfo_info[g_eeprom.tx_vfo];
g_rx_vfo_is_active = false;
}
g_current_vfo = g_rx_vfo;
#else
if (!g_rx_vfo_is_active)
{ // use the current RX vfo
g_eeprom.rx_vfo = g_eeprom.tx_vfo;
g_rx_vfo = &g_eeprom.vfo_info[g_eeprom.tx_vfo];
g_rx_vfo_is_active = true;
}
g_current_vfo = g_rx_vfo;
#endif
// let the user see that DW is not active '><' symbol
g_dual_watch_active = false;
g_update_status = true;
}
RADIO_SelectCurrentVfo();
#ifndef ENABLE_TX_WHEN_AM
if (g_current_vfo->am_mode)
{ // not allowed to TX if in AM mode
State = VFO_STATE_TX_DISABLE;
}
else
#endif
if (!g_setting_tx_enable || g_serial_config_count_down_500ms > 0)
{ // TX is disabled or config upload/download in progress
State = VFO_STATE_TX_DISABLE;
}
else
if (TX_freq_check(g_current_vfo->pTX->frequency) == 0)
{ // TX frequency is allowed
if (g_current_vfo->busy_channel_lock && g_current_function == FUNCTION_RECEIVE)
State = VFO_STATE_BUSY; // busy RX'ing a station
else
if (g_battery_display_level == 0)
State = VFO_STATE_BAT_LOW; // charge your battery !
else
if (g_battery_display_level >= 6)
State = VFO_STATE_VOLTAGE_HIGH; // over voltage (no doubt to protect the PA) .. this is being a pain
}
else
State = VFO_STATE_TX_DISABLE; // TX frequency not allowed
if (State != VFO_STATE_NORMAL)
{ // TX not allowed