307 lines
8.3 KiB
C++
307 lines
8.3 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 "board.h"
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#include "boards/generic_stm32/module_ports.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 "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 "flysky_gimbal_driver.h"
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#include "timers_driver.h"
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#include "lcd_driver.h"
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#include "lcd_driver.h"
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#include "battery_driver.h"
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#include "touch_driver.h"
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#include "bitmapbuffer.h"
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#include "colors.h"
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#include <string.h>
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#if defined(__cplusplus) && !defined(SIMU)
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extern "C" {
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#endif
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#include "usb_dcd_int.h"
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#include "usb_bsp.h"
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#if defined(__cplusplus) && !defined(SIMU)
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}
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#endif
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// common ADC driver
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extern const etx_hal_adc_driver_t _adc_driver;
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HardwareOptions hardwareOptions;
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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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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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#define RCC_AHB1PeriphMinimum (PWR_RCC_AHB1Periph |\
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LCD_RCC_AHB1Periph |\
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BACKLIGHT_RCC_AHB1Periph |\
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SDRAM_RCC_AHB1Periph \
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)
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#define RCC_AHB1PeriphOther (SD_RCC_AHB1Periph |\
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AUDIO_RCC_AHB1Periph |\
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MONITOR_RCC_AHB1Periph |\
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TELEMETRY_RCC_AHB1Periph |\
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TRAINER_RCC_AHB1Periph |\
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AUDIO_RCC_AHB1Periph |\
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HAPTIC_RCC_AHB1Periph |\
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INTMODULE_RCC_AHB1Periph |\
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EXTMODULE_RCC_AHB1Periph\
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)
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#define RCC_AHB3PeriphMinimum (SDRAM_RCC_AHB3Periph)
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#define RCC_APB1PeriphMinimum (BACKLIGHT_RCC_APB1Periph)
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#define RCC_APB1PeriphOther (TELEMETRY_RCC_APB1Periph)
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#define RCC_APB2PeriphMinimum (LCD_RCC_APB2Periph)
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#define RCC_APB2PeriphOther (HAPTIC_RCC_APB2Periph |\
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AUDIO_RCC_APB2Periph \
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)
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static uint8_t boardGetPcbRev()
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_AHB1PeriphClockCmd(INTMODULE_RCC_AHB1Periph, ENABLE);
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_InitStructure.GPIO_Pin = INTMODULE_PWR_GPIO_PIN;
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GPIO_Init(INTMODULE_PWR_GPIO, &GPIO_InitStructure);
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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_ReadInputDataBit(INTMODULE_PWR_GPIO, INTMODULE_PWR_GPIO_PIN) == Bit_SET) {
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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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void boardBootloaderInit()
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{
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#if defined(USB_SW_PIN)
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_InitStructure.GPIO_Pin = USB_SW_PIN;
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GPIO_Init(USB_SW_GPOIO, &GPIO_InitStructure);
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RCC_AHB1PeriphClockCmd(USB_SW_AHB1Periph_GPIO, ENABLE);
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#endif
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// detect NV14 vs EL18
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hardwareOptions.pcbrev = boardGetPcbRev();
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}
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static void monitorInit()
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
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GPIO_InitStructure.GPIO_Pin = VBUS_MONITOR_PIN;
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GPIO_Init(GPIOJ, &GPIO_InitStructure);
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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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RCC_AHB1PeriphClockCmd(RCC_AHB1PeriphMinimum | RCC_AHB1PeriphOther, ENABLE);
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RCC_AHB3PeriphClockCmd(RCC_AHB3PeriphMinimum, ENABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1PeriphMinimum | RCC_APB1PeriphOther, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2PeriphMinimum | RCC_APB2PeriphOther, ENABLE);
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// enable interrupts
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__enable_irq();
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#endif
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// detect NV14 vs EL18
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hardwareOptions.pcbrev = boardGetPcbRev();
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#if defined(DEBUG)
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serialSetMode(SP_AUX1, UART_MODE_DEBUG); // indicate AUX1 is used
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serialInit(SP_AUX1, UART_MODE_DEBUG); // early AUX1 init
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#endif
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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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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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init_trainer();
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battery_charge_init();
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flysky_gimbal_init();
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timersInit();
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TouchInit();
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usbInit();
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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 {
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// prime debounce state...
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uint8_t usb_state = usbPlugged();
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usb_state |= usbPlugged();
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while (usb_state) {
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pwrOn();
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uint32_t now = get_tmr10ms();
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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 (!usbPlugged()){
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delay_ms(20);
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if(!usbPlugged()){
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boardOff();
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}
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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 = get_tmr10ms();
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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(20);
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press_end = 0;
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}
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}
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}
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keysInit();
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switchInit();
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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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lcdSetInitalFrameBuffer(lcdFront->getData());
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#if defined(DEBUG)
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DBGMCU_APB1PeriphConfig(
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DBGMCU_IWDG_STOP | DBGMCU_TIM1_STOP | DBGMCU_TIM2_STOP |
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DBGMCU_TIM3_STOP | DBGMCU_TIM4_STOP | DBGMCU_TIM5_STOP |
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DBGMCU_TIM6_STOP | DBGMCU_TIM7_STOP | DBGMCU_TIM8_STOP |
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DBGMCU_TIM9_STOP | DBGMCU_TIM10_STOP | DBGMCU_TIM11_STOP |
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DBGMCU_TIM12_STOP | DBGMCU_TIM13_STOP | DBGMCU_TIM14_STOP,
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ENABLE);
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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 (usbPlugged())
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{
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delay_ms(100); // Add a delay to wait for lcdOff
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// RTC->BKP0R = SOFTRESET_REQUEST;
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NVIC_SystemReset();
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}
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else
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{
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// RTC->BKP0R = SHUTDOWN_REQUEST;
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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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