364 lines
7.6 KiB
C++
364 lines
7.6 KiB
C++
/*
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* Copyright (C) EdgeTX
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*
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* Based on code named
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* opentx - https://github.com/opentx/opentx
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "stm32_adc.h"
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#include "stm32_gpio.h"
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#include "stm32_spi.h"
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#include "hal/adc_driver.h"
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#include "hal/trainer_driver.h"
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#include "hal/switch_driver.h"
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#include "hal/abnormal_reboot.h"
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#include "hal/watchdog_driver.h"
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#include "hal/usb_driver.h"
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#include "hal/gpio.h"
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#include "hal/rotary_encoder.h"
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#include "board.h"
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#include "boards/generic_stm32/analog_inputs.h"
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#include "boards/generic_stm32/module_ports.h"
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#include "boards/generic_stm32/rgb_leds.h"
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#include "globals.h"
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#include "sdcard.h"
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#include "touch.h"
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#include "debug.h"
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#include "keys.h"
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#if defined(AUDIO_SPI)
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#include "vs1053b.h"
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#endif
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#include "timers_driver.h"
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#include "battery_driver.h"
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#include "touch_driver.h"
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#include <string.h>
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// Common ADC driver
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extern const etx_hal_adc_driver_t _adc_driver;
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extern "C" void SDRAM_Init();
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#if defined(SEMIHOSTING)
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extern "C" void initialise_monitor_handles();
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#endif
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#if defined(SPI_FLASH)
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extern "C" void flushFTL();
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#endif
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#if defined(RADIO_NV14_FAMILY)
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HardwareOptions hardwareOptions;
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static uint8_t boardGetPcbRev()
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{
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delaysInit();
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gpio_init(INTMODULE_PWR_GPIO, GPIO_IN, GPIO_PIN_SPEED_LOW);
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delay_ms(1); // delay to let the input settle, else it does not work properly
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// detect NV14 vs EL18
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if (gpio_read(INTMODULE_PWR_GPIO)) {
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// pull-up connected: EL18
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return PCBREV_EL18;
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} else {
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// pull-down connected: NV14
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return PCBREV_NV14;
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}
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}
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#endif
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#if defined(AUDIO_SPI)
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static void audio_set_rst_pin(bool set)
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{
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gpio_write(AUDIO_RST_GPIO, set);
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}
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static void audio_set_mute_pin(bool set)
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{
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#if defined(INVERTED_MUTE_PIN)
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gpio_write(AUDIO_MUTE_GPIO, !set);
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#else
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gpio_write(AUDIO_MUTE_GPIO, set);
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#endif
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}
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static void audioInit()
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{
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static stm32_spi_t spi_dev = {
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.SPIx = AUDIO_SPI,
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.SCK = AUDIO_SPI_SCK_GPIO,
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.MISO = AUDIO_SPI_MISO_GPIO,
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.MOSI = AUDIO_SPI_MOSI_GPIO,
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.CS = AUDIO_CS_GPIO,
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};
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static vs1053b_t vs1053 = {
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.spi = &spi_dev,
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.XDCS = AUDIO_XDCS_GPIO,
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.DREQ = AUDIO_DREQ_GPIO,
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.set_rst_pin = audio_set_rst_pin,
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.set_mute_pin = audio_set_mute_pin,
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.mute_delay_ms = AUDIO_MUTE_DELAY,
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.unmute_delay_ms = AUDIO_UNMUTE_DELAY,
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};
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gpio_init(AUDIO_RST_GPIO, GPIO_OUT, 0);
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gpio_init(AUDIO_MUTE_GPIO, GPIO_OUT, 0);
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audio_set_mute_pin(true);
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vs1053b_init(&vs1053);
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}
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#endif
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void delay_self(int count)
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{
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for (int i = 50000; i > 0; i--)
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{
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for (; count > 0; count--);
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}
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}
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#if defined(LED_STRIP_GPIO)
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void ledStripOff()
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{
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rgbLedClearAll();
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}
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#endif
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#if defined(RADIO_NB4P)
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void disableVoiceChip()
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{
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gpio_init(VOICE_CHIP_EN_GPIO, GPIO_OUT, GPIO_PIN_SPEED_LOW);
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gpio_clear(VOICE_CHIP_EN_GPIO);
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}
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#endif
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void boardBLEarlyInit()
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{
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#if defined(RADIO_PL18U)
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pwrOn();
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#endif
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// USB charger status pins
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gpio_init(UCHARGER_GPIO, GPIO_IN, GPIO_PIN_SPEED_LOW);
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#if defined(USB_SW_GPIO)
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gpio_init(USB_SW_GPIO, GPIO_OUT, GPIO_PIN_SPEED_LOW);
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#endif
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#if defined(RADIO_NV14_FAMILY)
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// detect NV14 vs EL18
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hardwareOptions.pcbrev = boardGetPcbRev();
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#endif
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}
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void boardBLPreJump()
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{
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SDRAM_Init();
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#if defined(RADIO_NB4P)
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_adc_driver.deinit();
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#endif
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}
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void boardBLInit()
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{
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SDRAM_Init();
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}
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static void monitorInit()
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{
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#if defined(VBUS_MONITOR_GPIO)
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gpio_init(VBUS_MONITOR_GPIO, GPIO_IN, GPIO_PIN_SPEED_LOW);
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#endif
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}
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void boardInit()
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{
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#if defined(SEMIHOSTING)
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initialise_monitor_handles();
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#endif
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#if !defined(SIMU)
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// enable interrupts
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__enable_irq();
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#endif
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#if defined(RADIO_NV14_FAMILY)
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// detect NV14 vs EL18
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hardwareOptions.pcbrev = boardGetPcbRev();
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TRACE("\n%s board started :)",
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hardwareOptions.pcbrev == PCBREV_NV14 ?
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"NV14" : "EL18");
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#else
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TRACE("\nPL18 board started :)");
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#endif
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delay_ms(10);
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TRACE("RCC->CSR = %08x", RCC->CSR);
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pwrInit();
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boardInitModulePorts();
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#if defined(AUDIO_SPI)
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gpio_init(AUDIO_RST_GPIO, GPIO_OUT, GPIO_PIN_SPEED_MEDIUM);
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gpio_init(AUDIO_MUTE_GPIO, GPIO_OUT, GPIO_PIN_SPEED_MEDIUM);
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#endif
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board_trainer_init();
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battery_charge_init();
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gimbalsDetect();
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timersInit();
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touchPanelInit();
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usbInit();
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#if defined(LED_STRIP_GPIO)
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rgbLedInit();
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#endif
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uint32_t press_start = 0;
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uint32_t press_end = 0;
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if (UNEXPECTED_SHUTDOWN()) {
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pwrOn();
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} else if (isChargerActive()) {
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while (true) {
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pwrOn();
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uint32_t now = timersGetMsTick();
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if (pwrPressed()) {
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press_end = now;
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if (press_start == 0) press_start = now;
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if ((now - press_start) > POWER_ON_DELAY) {
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break;
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}
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} else if (!isChargerActive()) {
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boardOff();
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} else {
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uint32_t press_end_touch = press_end;
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if (touchPanelEventOccured()) {
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touchPanelRead();
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press_end_touch = timersGetMsTick();
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}
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press_start = 0;
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handle_battery_charge(press_end_touch);
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delay_ms(10);
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press_end = 0;
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}
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}
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battery_charge_end();
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}
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keysInit();
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switchInit();
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#if defined(ROTARY_ENCODER_NAVIGATION) && !defined(USE_HATS_AS_KEYS)
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rotaryEncoderInit();
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#endif
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#if defined(RADIO_NB4P)
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disableVoiceChip();
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#endif
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audioInit();
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monitorInit();
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adcInit(&_adc_driver);
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hapticInit();
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#if defined(RTCLOCK)
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rtcInit(); // RTC must be initialized before rambackupRestore() is called
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#endif
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#if defined(LED_STRIP_GPIO)
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#if !defined(POWER_LED_BLUE)
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ledBlue();
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#else
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ledGreen();
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#endif
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#endif
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}
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extern void rtcDisableBackupReg();
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void boardOff()
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{
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lcdOff();
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while (pwrPressed()) {
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WDG_RESET();
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}
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SysTick->CTRL = 0; // turn off systick
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// Shutdown the Haptic
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hapticDone();
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rtcDisableBackupReg();
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#if !defined(BOOT)
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#if defined(LED_STRIP_GPIO)
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ledStripOff();
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#endif
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if (isChargerActive())
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{
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NVIC_SystemReset();
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}
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else
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#endif
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{
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pwrOff();
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}
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// We reach here only in forced power situations, such as hw-debugging with external power
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// Enter STM32 stop mode / deep-sleep
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// Code snippet from ST Nucleo PWR_EnterStopMode example
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#define PDMode 0x00000000U
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#if defined(PWR_CR_MRUDS) && defined(PWR_CR_LPUDS) && defined(PWR_CR_FPDS)
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MODIFY_REG(PWR->CR, (PWR_CR_PDDS | PWR_CR_LPDS | PWR_CR_FPDS | PWR_CR_LPUDS | PWR_CR_MRUDS), PDMode);
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#elif defined(PWR_CR_MRLVDS) && defined(PWR_CR_LPLVDS) && defined(PWR_CR_FPDS)
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MODIFY_REG(PWR->CR, (PWR_CR_PDDS | PWR_CR_LPDS | PWR_CR_FPDS | PWR_CR_LPLVDS | PWR_CR_MRLVDS), PDMode);
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#else
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MODIFY_REG(PWR->CR, (PWR_CR_PDDS| PWR_CR_LPDS), PDMode);
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#endif // PWR_CR_MRUDS && PWR_CR_LPUDS && PWR_CR_FPDS
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// Set SLEEPDEEP bit of Cortex System Control Register
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SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
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// To avoid HardFault at return address, end in an endless loop
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while (1) {
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}
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}
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#if !defined(RADIO_NV14_FAMILY)
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int usbPlugged()
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{
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static uint8_t debouncedState = 0;
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static uint8_t lastState = 0;
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uint8_t state = IS_UCHARGER_ACTIVE();
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if (state == lastState)
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debouncedState = state;
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else
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lastState = state;
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return debouncedState;
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}
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#endif
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