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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 "app/app.h"
#include "app/dtmf.h"
#ifdef ENABLE_FMRADIO
#include "app/fm.h"
#endif
#ifdef ENABLE_AM_FIX
#include "am_fix.h"
#endif
#include "audio.h"
#include "board.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"
#ifdef ENABLE_MDC1200
#include "mdc1200.h"
#endif
#include "misc.h"
#include "radio.h"
#include "settings.h"
#include "ui/menu.h"
#include "ui/ui.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;
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 *p_vfo, const uint8_t ChannelSave, const uint32_t Frequency)
{
if (p_vfo == NULL)
return;
memset(p_vfo, 0, sizeof(*p_vfo));
p_vfo->band = FREQUENCY_GetBand(Frequency);
p_vfo->scanlist_1_participation = 1;
p_vfo->scanlist_2_participation = 1;
p_vfo->step_setting = STEP_12_5kHz;
p_vfo->step_freq = STEP_FREQ_TABLE[p_vfo->step_setting];
p_vfo->channel_save = ChannelSave;
p_vfo->frequency_reverse = false;
p_vfo->output_power = OUTPUT_POWER_LOW;
p_vfo->freq_config_rx.frequency = Frequency;
p_vfo->freq_config_tx.frequency = Frequency;
p_vfo->p_rx = &p_vfo->freq_config_rx;
p_vfo->p_tx = &p_vfo->freq_config_tx;
p_vfo->compand = 0; // off
p_vfo->squelch_level = 0; // use main squelch
p_vfo->freq_in_channel = 0xff;
if (ChannelSave == (FREQ_CHANNEL_FIRST + BAND2_108MHz))
p_vfo->am_mode = 1;
RADIO_ConfigureSquelchAndOutputPower(p_vfo);
}
void RADIO_configure_channel(const unsigned int VFO, const unsigned int configure)
{
uint8_t Channel;
uint8_t Attributes;
uint8_t Band;
uint16_t Base;
uint32_t Frequency;
vfo_info_t *p_vfo = &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];
p_vfo->freq_in_channel = 0xff;
if (IS_VALID_CHANNEL(Channel))
{
#ifdef ENABLE_NOAA
if (Channel >= NOAA_CHANNEL_FIRST)
{
RADIO_InitInfo(p_vfo, g_eeprom.screen_channel[VFO], NOAA_FREQUENCY_TABLE[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_STATE_DIR_FORWARD, 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(p_vfo, 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)
{ // USER channel
p_vfo->band = Band;
p_vfo->scanlist_2_participation = (Attributes & USER_CH_SCANLIST2) ? 1 : 0;
p_vfo->scanlist_1_participation = (Attributes & USER_CH_SCANLIST1) ? 1 : 0;
}
else
if (IS_FREQ_CHANNEL(Channel))
{ // VFO channel
Band = Channel - FREQ_CHANNEL_FIRST;
g_eeprom.vfo_info[VFO].band = Band; // shouldn't this be "Band / 2" ? .. two VFO's per band
#if 0
p_vfo->scanlist_2_participation = 1;
p_vfo->scanlist_1_participation = 1;
#else
// allowing the vfo's to be included in the scanning
p_vfo->scanlist_2_participation = (Attributes & USER_CH_SCANLIST2) ? 1 : 0;
p_vfo->scanlist_1_participation = (Attributes & USER_CH_SCANLIST1) ? 1 : 0;
#endif
}
p_vfo->channel_save = Channel;
if (Channel <= USER_CHANNEL_LAST)
Base = Channel * 16;
else
Base = 0x0C80 + ((Channel - FREQ_CHANNEL_FIRST) * 16 * 2) + (VFO * 16); // VFO channel
if (configure == VFO_CONFIGURE_RELOAD || IS_FREQ_CHANNEL(Channel))
{
t_channel m_channel;
EEPROM_ReadBuffer(Base, &m_channel, sizeof(m_channel));
p_vfo->freq_config_rx.frequency = m_channel.frequency;
p_vfo->tx_offset_freq = (m_channel.tx_offset < MAX_TX_OFFSET) ? m_channel.tx_offset : 0;
p_vfo->tx_offset_freq_dir = (m_channel.tx_offset_dir < TX_OFFSET_FREQ_DIR_LAST) ? m_channel.tx_offset_dir : TX_OFFSET_FREQ_DIR_OFF;
p_vfo->am_mode = m_channel.am_mode;
p_vfo->step_setting = (m_channel.step_setting < ARRAY_SIZE(STEP_FREQ_TABLE)) ? m_channel.step_setting : STEP_12_5kHz;
p_vfo->step_freq = STEP_FREQ_TABLE[p_vfo->step_setting];
p_vfo->scrambling_type = (m_channel.scrambler < ARRAY_SIZE(g_sub_menu_scrambler)) ? m_channel.scrambler : 0;
p_vfo->freq_config_rx.code_type = m_channel.rx_ctcss_cdcss_type;
switch (m_channel.rx_ctcss_cdcss_type)
{
default:
case CODE_TYPE_NONE:
p_vfo->freq_config_rx.code_type = CODE_TYPE_NONE;
p_vfo->freq_config_rx.code = 0;
break;
case CODE_TYPE_CONTINUOUS_TONE:
p_vfo->freq_config_rx.code = (m_channel.rx_ctcss_cdcss_code < ARRAY_SIZE(CTCSS_TONE_LIST)) ? m_channel.rx_ctcss_cdcss_code : 0;
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
p_vfo->freq_config_rx.code = (m_channel.rx_ctcss_cdcss_code < ARRAY_SIZE(DCS_CODE_LIST)) ? m_channel.rx_ctcss_cdcss_code : 0;
break;
}
p_vfo->freq_config_tx.code_type = m_channel.tx_ctcss_cdcss_type;
switch (m_channel.tx_ctcss_cdcss_type)
{
default:
case CODE_TYPE_NONE:
p_vfo->freq_config_tx.code_type = CODE_TYPE_NONE;
p_vfo->freq_config_tx.code = 0;
break;
case CODE_TYPE_CONTINUOUS_TONE:
p_vfo->freq_config_tx.code = (m_channel.tx_ctcss_cdcss_code < ARRAY_SIZE(CTCSS_TONE_LIST)) ? m_channel.tx_ctcss_cdcss_code : 0;
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
p_vfo->freq_config_tx.code = (m_channel.tx_ctcss_cdcss_code < ARRAY_SIZE(DCS_CODE_LIST)) ? m_channel.tx_ctcss_cdcss_code : 0;
break;
}
#ifdef ENABLE_MDC1200
p_vfo->mdc1200_mode = m_channel.mdc1200_mode;
#endif
p_vfo->frequency_reverse = m_channel.frequency_reverse ? true : false;
p_vfo->channel_bandwidth = m_channel.channel_bandwidth ? true : false;
p_vfo->output_power = m_channel.tx_power;
p_vfo->busy_channel_lock = m_channel.busy_channel_lock ? true : false;
p_vfo->compand = m_channel.compand;
p_vfo->dtmf_decoding_enable = m_channel.dtmf_decoding_enable ? true : false;
p_vfo->dtmf_ptt_id_tx_mode = m_channel.dtmf_ptt_id_tx_mode;
p_vfo->squelch_level = (m_channel.squelch_level < 10) ? m_channel.squelch_level : 0;
}
Frequency = p_vfo->freq_config_rx.frequency;
if (Frequency < FREQ_BAND_TABLE[Band].lower)
Frequency = FREQ_BAND_TABLE[Band].lower;
else
if (Frequency >= FREQ_BAND_TABLE[Band].upper)
Frequency = FREQUENCY_floor_to_step(Frequency, p_vfo->step_freq, FREQ_BAND_TABLE[Band].lower, FREQ_BAND_TABLE[Band].upper);
else
if (Channel >= FREQ_CHANNEL_FIRST)
Frequency = FREQUENCY_floor_to_step(Frequency, p_vfo->step_freq, FREQ_BAND_TABLE[Band].lower, FREQ_BAND_TABLE[Band].upper);
if (!g_setting_350_enable && Frequency >= 35000000 && Frequency < 40000000)
{ // 350~400Mhz not allowed
// hop onto the next band up
Frequency = 43350000;
p_vfo->freq_config_rx.frequency = Frequency;
p_vfo->freq_config_tx.frequency = Frequency;
Band = FREQUENCY_GetBand(Frequency);
p_vfo->band = Band;
p_vfo->frequency_reverse = 0;
p_vfo->tx_offset_freq_dir = TX_OFFSET_FREQ_DIR_OFF;
p_vfo->tx_offset_freq = 0;
// TODO: also update other settings such as step size
}
p_vfo->freq_config_rx.frequency = Frequency;
if (Frequency >= AIR_BAND.lower && Frequency < AIR_BAND.upper)
{ // air band
p_vfo->tx_offset_freq_dir = TX_OFFSET_FREQ_DIR_OFF;
p_vfo->tx_offset_freq = 0;
}
else
if (Channel > USER_CHANNEL_LAST)
{
p_vfo->tx_offset_freq = FREQUENCY_floor_to_step(p_vfo->tx_offset_freq + (p_vfo->step_freq / 2), p_vfo->step_freq, 0, p_vfo->tx_offset_freq + p_vfo->step_freq);
}
RADIO_ApplyOffset(p_vfo, true);
// channel name
memset(p_vfo->name, 0, sizeof(p_vfo->name));
if (Channel <= USER_CHANNEL_LAST)
EEPROM_ReadBuffer(0x0F50 + (Channel * 16), p_vfo->name, 10); // only 10 bytes used
if (p_vfo->am_mode > 0)
{ // freq/chan is in AM mode
// disable stuff, even though it can all still be used with AM ???
p_vfo->scrambling_type = 0;
// p_vfo->dtmf_decoding_enable = false;
p_vfo->freq_config_rx.code_type = CODE_TYPE_NONE;
p_vfo->freq_config_tx.code_type = CODE_TYPE_NONE;
}
RADIO_ConfigureSquelchAndOutputPower(p_vfo);
#ifdef ENABLE_AM_FIX
if (p_vfo->am_mode > 0 && g_setting_am_fix)
{
AM_fix_reset(VFO);
AM_fix_10ms(VFO);
}
else
{ // don't do agc in FM mode
BK4819_DisableAGC();
BK4819_WriteRegister(0x13, (orig_lnas << 8) | (orig_lna << 5) | (orig_mixer << 3) | (orig_pga << 0));
}
#else
if (p_vfo->am_mode > 0)
{
BK4819_EnableAGC();
}
else
{ // don't do agc in FM mode
BK4819_DisableAGC();
BK4819_WriteRegister(0x13, (orig_lnas << 8) | (orig_lna << 5) | (orig_mixer << 3) | (orig_pga << 0));
}
#endif
// if (configure == VFO_CONFIGURE_RELOAD || IS_FREQ_CHANNEL(Channel))
if (IS_FREQ_CHANNEL(Channel))
p_vfo->freq_in_channel = BOARD_find_channel(Frequency); // find channel that has this frequency
}
void RADIO_ConfigureSquelchAndOutputPower(vfo_info_t *p_vfo)
{
uint8_t TX_power[3];
uint16_t Base;
frequency_band_t Band;
uint8_t squelch_level;
// *******************************
// squelch
Band = FREQUENCY_GetBand(p_vfo->p_rx->frequency);
Base = (Band < BAND4_174MHz) ? 0x1E60 : 0x1E00;
squelch_level = (p_vfo->squelch_level > 0) ? p_vfo->squelch_level : g_eeprom.squelch_level;
// note that 'noise' and 'glitch' values are inverted compared to 'rssi' values
if (squelch_level == 0)
{ // squelch == 0 (off)
p_vfo->squelch_open_rssi_thresh = 0; // 0 ~ 255
p_vfo->squelch_close_rssi_thresh = 0; // 0 ~ 255
p_vfo->squelch_open_noise_thresh = 127; // 127 ~ 0
p_vfo->squelch_close_noise_thresh = 127; // 127 ~ 0
p_vfo->squelch_close_glitch_thresh = 255; // 255 ~ 0
p_vfo->squelch_open_glitch_thresh = 255; // 255 ~ 0
}
else
{ // squelch >= 1
Base += squelch_level; // my eeprom squelch-1
// VHF UHF
EEPROM_ReadBuffer(Base + 0x00, &p_vfo->squelch_open_rssi_thresh, 1); // 50 10
EEPROM_ReadBuffer(Base + 0x10, &p_vfo->squelch_close_rssi_thresh, 1); // 40 5
EEPROM_ReadBuffer(Base + 0x20, &p_vfo->squelch_open_noise_thresh, 1); // 65 90
EEPROM_ReadBuffer(Base + 0x30, &p_vfo->squelch_close_noise_thresh, 1); // 70 100
EEPROM_ReadBuffer(Base + 0x40, &p_vfo->squelch_close_glitch_thresh, 1); // 90 90
EEPROM_ReadBuffer(Base + 0x50, &p_vfo->squelch_open_glitch_thresh, 1); // 100 100
// *********
// used in AM mode
int16_t rssi_open = p_vfo->squelch_open_rssi_thresh; // 0 ~ 255
int16_t rssi_close = p_vfo->squelch_close_rssi_thresh; // 0 ~ 255
// used in FM mode
int16_t noise_open = p_vfo->squelch_open_noise_thresh; // 127 ~ 0
int16_t noise_close = p_vfo->squelch_close_noise_thresh; // 127 ~ 0
// used in both modes ?
int16_t glitch_open = p_vfo->squelch_open_glitch_thresh; // 255 ~ 0
int16_t glitch_close = p_vfo->squelch_close_glitch_thresh; // 255 ~ 0
// *********
#if ENABLE_SQUELCH_MORE_SENSITIVE
// make squelch a little more sensitive
//
// getting the best general settings here is experimental, bare with me
#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
// *********
// ensure the 'close' threshold is lower than the 'open' threshold
// ie, maintain a minimum level of hysteresis
// rssi_close = (rssi_open * 4) / 6;
noise_close = (noise_open * 6) / 4;
glitch_close = (glitch_open * 6) / 4;
// if (rssi_open < 8)
// rssi_open = 8;
// if (rssi_close > (rssi_open - 8))
// rssi_close = rssi_open - 8;
if (noise_open > (127 - 4))
noise_open = 127 - 4;
if (noise_close < (noise_open + 4))
noise_close = noise_open + 4;
if (glitch_open > (255 - 8))
glitch_open = 255 - 8;
if (glitch_close < (glitch_open + 8))
glitch_close = glitch_open + 8;
// *********
p_vfo->squelch_open_rssi_thresh = (rssi_open > 255) ? 255 : (rssi_open < 0) ? 0 : rssi_open;
p_vfo->squelch_close_rssi_thresh = (rssi_close > 255) ? 255 : (rssi_close < 0) ? 0 : rssi_close;
p_vfo->squelch_open_noise_thresh = (noise_open > 127) ? 127 : (noise_open < 0) ? 0 : noise_open;
p_vfo->squelch_close_noise_thresh = (noise_close > 127) ? 127 : (noise_close < 0) ? 0 : noise_close;
p_vfo->squelch_open_glitch_thresh = (glitch_open > 255) ? 255 : (glitch_open < 0) ? 0 : glitch_open;
p_vfo->squelch_close_glitch_thresh = (glitch_close > 255) ? 255 : (glitch_close < 0) ? 0 : 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 .. 137 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(p_vfo->p_tx->frequency);
EEPROM_ReadBuffer(0x1ED0 + (Band * 16) + (p_vfo->output_power * 3), TX_power, 3);
#ifdef ENABLE_REDUCE_LOW_MID_TX_POWER
// make low and mid even lower
if (p_vfo->output_power == OUTPUT_POWER_LOW)
{
TX_power[0] /= 5; //TX_power[0] /= 8;
TX_power[1] /= 5; //TX_power[1] /= 8;
TX_power[2] /= 5; //TX_power[2] /= 8; get more low power
}
else
if (p_vfo->output_power == OUTPUT_POWER_MID)
{
TX_power[0] /= 3; //TX_power[0] /= 5;
TX_power[1] /= 3; //TX_power[1] /= 5;
TX_power[2] /= 3; //TX_power[2] /= 5; get more low power
}
#endif
p_vfo->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,
p_vfo->p_tx->frequency);
// *******************************
}
void RADIO_ApplyOffset(vfo_info_t *p_vfo, const bool set_pees)
{
uint32_t Frequency = p_vfo->freq_config_rx.frequency;
switch (p_vfo->tx_offset_freq_dir)
{
case TX_OFFSET_FREQ_DIR_OFF:
break;
case TX_OFFSET_FREQ_DIR_ADD:
Frequency += p_vfo->tx_offset_freq;
break;
case TX_OFFSET_FREQ_DIR_SUB:
Frequency -= p_vfo->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;
p_vfo->freq_config_tx.frequency = Frequency;
if (set_pees)
{
if (!p_vfo->frequency_reverse)
{
p_vfo->p_rx = &p_vfo->freq_config_rx;
p_vfo->p_tx = &p_vfo->freq_config_tx;
}
else
{
p_vfo->p_rx = &p_vfo->freq_config_tx;
p_vfo->p_tx = &p_vfo->freq_config_rx;
}
}
}
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_select_vfos(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_setup_registers(bool switch_to_function_foreground)
{
BK4819_filter_bandwidth_t Bandwidth = g_rx_vfo->channel_bandwidth;
uint16_t interrupt_mask;
uint32_t Frequency;
if (!g_monitor_enabled)
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
// turn green LED off
BK4819_set_GPIO_pin(BK4819_GPIO6_PIN2_GREEN, false);
switch (Bandwidth)
{
default:
Bandwidth = BK4819_FILTER_BW_WIDE;
// Fallthrough
case BK4819_FILTER_BW_WIDE:
case BK4819_FILTER_BW_NARROW:
#ifdef ENABLE_AM_FIX
#if 0
// BK4819_SetFilterBandwidth(Bandwidth, g_rx_vfo->am_mode > 0 && g_setting_am_fix);
BK4819_SetFilterBandwidth(Bandwidth, true);
#else
if (g_rx_vfo->am_mode > 1)
BK4819_SetFilterBandwidth(BK4819_FILTER_BW_NARROWER, false);
else
BK4819_SetFilterBandwidth(Bandwidth, true);
#endif
#else
BK4819_SetFilterBandwidth(Bandwidth, false);
#endif
break;
}
BK4819_WriteRegister(0x30, 0);
BK4819_WriteRegister(0x30,
BK4819_REG_30_ENABLE_VCO_CALIB |
// BK4819_REG_30_ENABLE_UNKNOWN |
BK4819_REG_30_ENABLE_RX_LINK |
BK4819_REG_30_ENABLE_AF_DAC |
BK4819_REG_30_ENABLE_DISC_MODE |
BK4819_REG_30_ENABLE_PLL_VCO |
// BK4819_REG_30_ENABLE_PA_GAIN |
// BK4819_REG_30_ENABLE_MIC_ADC |
// BK4819_REG_30_ENABLE_TX_DSP |
BK4819_REG_30_ENABLE_RX_DSP |
0);
BK4819_set_GPIO_pin(BK4819_GPIO5_PIN1_RED, false); // LED off
BK4819_SetupPowerAmplifier(0, 0);
BK4819_set_GPIO_pin(BK4819_GPIO1_PIN29_PA_ENABLE, false); // PA off
while (1)
{ // wait for interrupts to clear
const uint16_t int_bits = BK4819_ReadRegister(0x0C);
if ((int_bits & (1u << 0)) == 0)
break;
BK4819_WriteRegister(0x02, 0); // clear the interrupt bits
SYSTEM_DelayMs(1);
}
BK4819_WriteRegister(0x3F, 0); // disable interrupts
#ifdef ENABLE_NOAA
if (IS_NOAA_CHANNEL(g_rx_vfo->channel_save) && g_is_noaa_mode)
Frequency = NOAA_FREQUENCY_TABLE[g_noaa_channel];
else
#endif
Frequency = g_rx_vfo->p_rx->frequency;
BK4819_set_rf_frequency(Frequency, false);
BK4819_set_rf_filter_path(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);
// enable the RX front end
BK4819_set_GPIO_pin(BK4819_GPIO0_PIN28_RX_ENABLE, true);
// AF RX Gain and DAC
// if (g_rx_vfo->am_mode > 0)
// {
// BK4819_WriteRegister(0x48, 0xB3A8); // 1011 0011 1010 1000
// }
// else
{
BK4819_WriteRegister(0x48,
(11u << 12) | // ??? .. 0 ~ 15, doesn't seem to make any difference
( 0u << 10) | // AF Rx Gain-1
(g_eeprom.volume_gain << 4) | // AF Rx Gain-2
(g_eeprom.dac_gain << 0)); // AF DAC Gain (after Gain-1 and Gain-2)
}
#ifdef ENABLE_VOICE
#ifdef MUTE_AUDIO_FOR_VOICE
if (g_voice_write_index == 0)
AUDIO_set_mod_mode(g_rx_vfo->am_mode);
#else
AUDIO_set_mod_mode(g_rx_vfo->am_mode);
#endif
#else
AUDIO_set_mod_mode(g_rx_vfo->am_mode);
#endif
interrupt_mask = BK4819_REG_3F_SQUELCH_FOUND | BK4819_REG_3F_SQUELCH_LOST;
if (IS_NOT_NOAA_CHANNEL(g_rx_vfo->channel_save))
{
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->p_rx->code_type;
code = g_rx_vfo->p_rx->code;
}
switch (code_type)
{
default:
case CODE_TYPE_NONE:
BK4819_set_CTCSS_freq(670);
BK4819_set_tail_detection(550); // QS's 55Hz tone method
interrupt_mask |= BK4819_REG_3F_CxCSS_TAIL;
break;
case CODE_TYPE_CONTINUOUS_TONE:
BK4819_set_CTCSS_freq(CTCSS_TONE_LIST[code]);
// #ifdef ENABLE_CTCSS_TAIL_PHASE_SHIFT
// BK4819_set_tail_detection(CTCSS_TONE_LIST[code]); // doesn't work in RX mode
// #else
// BK4819_set_tail_detection(550); // QS's 55Hz tone method
// #endif
interrupt_mask |=
BK4819_REG_3F_CxCSS_TAIL |
BK4819_REG_3F_CTCSS_FOUND |
BK4819_REG_3F_CTCSS_LOST;
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
BK4819_set_CDCSS_code(DCS_GetGolayCodeWord(code_type, code));
interrupt_mask |=
BK4819_REG_3F_CxCSS_TAIL |
BK4819_REG_3F_CDCSS_FOUND |
BK4819_REG_3F_CDCSS_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_set_CTCSS_freq(0); // NOAA 1050Hz stuff
interrupt_mask |= BK4819_REG_3F_CTCSS_FOUND | BK4819_REG_3F_CTCSS_LOST;
}
#endif
#ifdef ENABLE_VOX
if (
#ifdef ENABLE_FMRADIO
!g_fm_radio_mode &&
#endif
g_eeprom.vox_switch &&
IS_NOT_NOAA_CHANNEL(g_current_vfo->channel_save) &&
g_current_vfo->am_mode == 0)
{
BK4819_EnableVox(g_eeprom.vox1_threshold, g_eeprom.vox0_threshold);
interrupt_mask |= 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->compand >= 2) ? g_rx_vfo->compand : 0);
BK4819_EnableDTMF();
interrupt_mask |= BK4819_REG_3F_DTMF_5TONE_FOUND;
#ifdef ENABLE_MDC1200
BK4819_enable_mdc1200_rx(true);
interrupt_mask |= BK4819_REG_3F_FSK_RX_SYNC | BK4819_REG_3F_FSK_RX_FINISHED | BK4819_REG_3F_FSK_FIFO_ALMOST_FULL;
#endif
// enable BK4819 interrupts
BK4819_WriteRegister(0x3F, interrupt_mask);
FUNCTION_Init();
if (switch_to_function_foreground)
FUNCTION_Select(FUNCTION_FOREGROUND);
// if (g_monitor_enabled)
// GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
}
#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_tick_10ms = noaa_tick_2_10ms;
g_schedule_noaa = false;
}
else
g_is_noaa_mode = false;
}
else
g_is_noaa_mode = false;
}
#endif
void RADIO_enableTX(const bool fsk_tx)
{
BK4819_filter_bandwidth_t Bandwidth = g_current_vfo->channel_bandwidth;
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
BK4819_set_GPIO_pin(BK4819_GPIO0_PIN28_RX_ENABLE, false);
switch (Bandwidth)
{
default:
Bandwidth = BK4819_FILTER_BW_WIDE;
// Fallthrough
case BK4819_FILTER_BW_WIDE:
case BK4819_FILTER_BW_NARROW:
#ifdef ENABLE_AM_FIX
#if 0
// BK4819_SetFilterBandwidth(Bandwidth, g_current_vfo->am_mode > 0 && g_setting_am_fix);
BK4819_SetFilterBandwidth(Bandwidth, true);
#else
if (g_current_vfo->am_mode > 1)
BK4819_SetFilterBandwidth(BK4819_FILTER_BW_NARROWER, false);
else
BK4819_SetFilterBandwidth(Bandwidth, true);
#endif
#else
BK4819_SetFilterBandwidth(Bandwidth, false);
#endif
break;
}
// if DTMF is enabled when TX'ing, it changes the TX audio filtering ! .. 1of11
// so MAKE SURE that DTMF is disabled - until needed
BK4819_DisableDTMF();
BK4819_SetCompander((!fsk_tx && g_rx_vfo->am_mode == 0 && (g_rx_vfo->compand == 1 || g_rx_vfo->compand >= 3)) ? g_rx_vfo->compand : 0);
BK4819_set_rf_frequency(g_current_vfo->p_tx->frequency, false);
BK4819_set_rf_filter_path(g_current_vfo->p_tx->frequency);
BK4819_PrepareTransmit();
BK4819_set_GPIO_pin(BK4819_GPIO1_PIN29_PA_ENABLE, true); // PA on
if (g_current_display_screen != DISPLAY_AIRCOPY)
BK4819_SetupPowerAmplifier(g_current_vfo->txp_calculated_setting, g_current_vfo->p_tx->frequency);
else
BK4819_SetupPowerAmplifier(0, g_current_vfo->p_tx->frequency); // very low power when in AIRCOPY mode
BK4819_set_GPIO_pin(BK4819_GPIO5_PIN1_RED, true); // turn the RED LED on
if (fsk_tx)
{
BK4819_disable_sub_audible();
}
else
{
switch (g_current_vfo->p_tx->code_type)
{
default:
case CODE_TYPE_NONE:
BK4819_disable_sub_audible();
break;
case CODE_TYPE_CONTINUOUS_TONE:
BK4819_gen_tail(4);
BK4819_set_CTCSS_freq(CTCSS_TONE_LIST[g_current_vfo->p_tx->code]);
break;
case CODE_TYPE_DIGITAL:
case CODE_TYPE_REVERSE_DIGITAL:
BK4819_gen_tail(4);
BK4819_set_CDCSS_code(DCS_GetGolayCodeWord(g_current_vfo->p_tx->code_type, g_current_vfo->p_tx->code));
break;
}
}
}
void RADIO_set_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;
}
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;
}
// cause a display update to remove the message
g_update_screen_tick_500ms = 8; // 4 seconds
}
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
#if 0