263 lines
7.4 KiB
C++
263 lines
7.4 KiB
C++
/*
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* Copyright (C) OpenTX
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*
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* Based on code named
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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 "opentx.h"
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#include "touch.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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HardwareOptions hardwareOptions;
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void watchdogInit(unsigned int duration)
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{
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IWDG->KR = 0x5555; // Unlock registers
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IWDG->PR = 3; // Divide by 32 => 1kHz clock
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IWDG->KR = 0x5555; // Unlock registers
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IWDG->RLR = duration; // 1.5 seconds nominal
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IWDG->KR = 0xAAAA; // reload
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IWDG->KR = 0xCCCC; // start
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}
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// Start TIMER7 at 2000000Hz
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void init2MhzTimer()
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{
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TIMER_2MHz_TIMER->PSC = (PERI1_FREQUENCY * TIMER_MULT_APB1) / 2000000 - 1; // 0.5 uS, 2 MHz
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TIMER_2MHz_TIMER->ARR = 65535;
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TIMER_2MHz_TIMER->CR2 = 0;
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TIMER_2MHz_TIMER->CR1 = TIM_CR1_CEN;
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}
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// Starts TIMER at 1000Hz
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void init1msTimer()
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{
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INTERRUPT_xMS_TIMER->ARR = 999; // 1mS in uS
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INTERRUPT_xMS_TIMER->PSC = (PERI1_FREQUENCY * TIMER_MULT_APB1) / 1000000 - 1; // 1uS
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INTERRUPT_xMS_TIMER->CCER = 0;
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INTERRUPT_xMS_TIMER->CCMR1 = 0;
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INTERRUPT_xMS_TIMER->EGR = 0;
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INTERRUPT_xMS_TIMER->CR1 = 5;
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INTERRUPT_xMS_TIMER->DIER |= 1;
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NVIC_EnableIRQ(INTERRUPT_xMS_IRQn);
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NVIC_SetPriority(INTERRUPT_xMS_IRQn, 7);
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}
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void interrupt1ms()
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{
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static uint8_t pre_scale; // Used to get 10 Hz counter
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++pre_scale;
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#if defined(DEBUG) && !defined(SIMU)
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debugCounter1ms++;
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#endif
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#if defined(HAPTIC) && !defined(BOOT)
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if (pre_scale == 5 || pre_scale == 10) {
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DEBUG_TIMER_START(debugTimerHaptic);
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HAPTIC_HEARTBEAT();
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DEBUG_TIMER_STOP(debugTimerHaptic);
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}
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#endif
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if (pre_scale == 10) {
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pre_scale = 0;
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#if !defined(SIMU)
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if (boardState == BOARD_STARTED) hall_stick_loop();
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#endif
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DEBUG_TIMER_START(debugTimerPer10ms);
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DEBUG_TIMER_SAMPLE(debugTimerPer10msPeriod);
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per10ms();
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DEBUG_TIMER_STOP(debugTimerPer10ms);
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}
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DEBUG_TIMER_START(debugTimerRotEnc);
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DEBUG_TIMER_STOP(debugTimerRotEnc);
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}
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#if !defined(BOOT)
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extern "C" void INTERRUPT_xMS_IRQHandler()
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{
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INTERRUPT_xMS_TIMER->SR &= ~TIM_SR_UIF;
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interrupt1ms();
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DEBUG_INTERRUPT(INT_1MS);
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}
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#endif
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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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KEYS_RCC_AHB1Periph |\
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ADC_RCC_AHB1Periph |\
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AUX_SERIAL_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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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 (INTERRUPT_xMS_RCC_APB1Periph |\
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TIMER_2MHz_RCC_APB1Periph |\
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BACKLIGHT_RCC_APB1Periph \
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)
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#define RCC_APB1PeriphOther (TELEMETRY_RCC_APB1Periph |\
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TRAINER_RCC_APB1Periph |\
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INTMODULE_RCC_APB1Periph |\
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HALL_RCC_APB1Periph |\
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EXTMODULE_RCC_APB1Periph |\
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INTMODULE_RCC_APB1Periph |\
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AUX_SERIAL_RCC_APB1Periph \
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)
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#define RCC_APB2PeriphMinimum (LCD_RCC_APB2Periph)
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#define RCC_APB2PeriphOther (ADC_RCC_APB2Periph |\
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HAPTIC_RCC_APB2Periph |\
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AUX_SERIAL_RCC_APB2Periph |\
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AUDIO_RCC_APB2Periph |\
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EXTMODULE_RCC_APB2Periph \
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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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#if defined(DEBUG)
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auxSerialInit(0, 0); // default serial mode (None if DEBUG not defined)
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#endif
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TRACE("\nNV14 board started :)");
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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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extModuleInit();
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battery_charge_init();
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init2MhzTimer();
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init1msTimer();
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TouchInit();
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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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}
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while (boardState == BOARD_POWER_OFF) {
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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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pwrOn();
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break;
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}
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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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keysInit();
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audioInit();
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// we need to initialize g_FATFS_Obj here, because it is in .ram section (because of DMA access)
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// and this section is un-initialized
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memset(&g_FATFS_Obj, 0, sizeof(g_FATFS_Obj));
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monitorInit();
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adcInit();
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backlightInit();
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lcdInit();
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#if defined(FLYSKY_HALL_STICKS)
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hall_stick_init(FLYSKY_HALL_BAUDRATE);
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#endif
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usbInit();
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hapticInit();
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boardState = BOARD_STARTED;
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#if defined(DEBUG)
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DBGMCU_APB1PeriphConfig(DBGMCU_IWDG_STOP|DBGMCU_TIM1_STOP|DBGMCU_TIM2_STOP|DBGMCU_TIM3_STOP|DBGMCU_TIM4_STOP|DBGMCU_TIM5_STOP|DBGMCU_TIM6_STOP|DBGMCU_TIM7_STOP|DBGMCU_TIM8_STOP|DBGMCU_TIM9_STOP|DBGMCU_TIM10_STOP|DBGMCU_TIM11_STOP|DBGMCU_TIM12_STOP|DBGMCU_TIM13_STOP|DBGMCU_TIM14_STOP, ENABLE);
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#endif
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}
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void boardOff()
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{
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lcd->drawFilledRect(0, 0, LCD_WIDTH, LCD_HEIGHT, SOLID, HEADER_BGCOLOR);
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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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pwrOff();
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#if !defined (SIMU)
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#if defined(HAPTIC) && !defined(BOOT)
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haptic.event(AU_ERROR);
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delay_ms(50);
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#endif
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while(1) {
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NVIC_SystemReset();
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}
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#endif
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}
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