236 lines
6.3 KiB
C++
236 lines
6.3 KiB
C++
/*
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* Authors (alphabetical order)
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* - Andre Bernet <bernet.andre@gmail.com>
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* - Andreas Weitl
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* - Bertrand Songis <bsongis@gmail.com>
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* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
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* - Cameron Weeks <th9xer@gmail.com>
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* - Erez Raviv
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* - Gabriel Birkus
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* - Jean-Pierre Parisy
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* - Karl Szmutny
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* - Michael Blandford
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* - Michal Hlavinka
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* - Pat Mackenzie
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* - Philip Moss
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* - Rob Thomson
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* - Romolo Manfredini <romolo.manfredini@gmail.com>
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* - Thomas Husterer
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*
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* opentx is based on code named
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* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
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* er9x by Erez Raviv: http://code.google.com/p/er9x/,
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* and the original (and ongoing) project by
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* Thomas Husterer, th9x: http://code.google.com/p/th9x/
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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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*/
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#include "../opentx.h"
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extern "C" {
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#include "STM32_USB-Host-Device_Lib_V2.1.0/Libraries/STM32_USB_OTG_Driver/inc/usb_dcd_int.h"
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}
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// TODO needed?
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uint8_t temperature = 0; // Raw temp reading
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uint8_t maxTemperature = 0 ; // Raw temp reading
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volatile uint32_t Tenms ; // TODO to remove everywhere / use a #define
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uint8_t usb_connected = 0;
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#define PIN_MODE_MASK 0x0003
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#define PIN_INPUT 0x0000
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#define PIN_OUTPUT 0x0001
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#define PIN_PERIPHERAL 0x0002
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#define PIN_ANALOG 0x0003
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#define PIN_PULL_MASK 0x000C
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#define PIN_PULLUP 0x0004
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#define PIN_NO_PULLUP 0x0000
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#define PIN_PULLDOWN 0x0008
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#define PIN_NO_PULLDOWN 0x0000
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#define PIN_PERI_MASK 0x00F0
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#define PIN_PUSHPULL 0x0000
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#define PIN_ODRAIN 0x8000
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#define PIN_PORT_MASK 0x0700
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#define PIN_SPEED_MASK 0x6000
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#if !defined(SIMU)
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void configure_pins( uint32_t pins, uint16_t config )
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{
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uint32_t address ;
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GPIO_TypeDef *pgpio ;
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uint32_t thispin ;
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uint32_t pos ;
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address = ( config & PIN_PORT_MASK ) >> 8 ;
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address *= (GPIOB_BASE-GPIOA_BASE) ;
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address += GPIOA_BASE ;
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pgpio = (GPIO_TypeDef* ) address ;
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/* -------------------------Configure the port pins---------------- */
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/*-- GPIO Mode Configuration --*/
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for (thispin = 0x0001, pos = 0; thispin < 0x10000; thispin <<= 1, pos +=1 )
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{
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if ( pins & thispin)
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{
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pgpio->MODER &= ~(GPIO_MODER_MODER0 << (pos * 2)) ;
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pgpio->MODER |= (config & PIN_MODE_MASK) << (pos * 2) ;
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if ( ( (config & PIN_MODE_MASK ) == PIN_OUTPUT) || ( (config & PIN_MODE_MASK) == PIN_PERIPHERAL) )
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{
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/* Speed mode configuration */
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pgpio->OSPEEDR &= ~GPIO_OSPEEDER_OSPEEDR0 << (pos * 2) ;
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pgpio->OSPEEDR |= ((config & PIN_SPEED_MASK) >> 13 ) << (pos * 2) ;
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/* Output mode configuration*/
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pgpio->OTYPER &= ~((GPIO_OTYPER_OT_0) << ((uint16_t)pos)) ;
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if ( config & PIN_ODRAIN )
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{
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pgpio->OTYPER |= (GPIO_OTYPER_OT_0) << pos ;
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}
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}
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/* Pull-up Pull down resistor configuration*/
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pgpio->PUPDR &= ~(GPIO_PUPDR_PUPDR0 << ((uint16_t)pos * 2));
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pgpio->PUPDR |= ((config & PIN_PULL_MASK) >> 2) << (pos * 2) ;
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pgpio->AFR[pos >> 3] &= ~(0x000F << ((pos & 7)*4)) ;
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pgpio->AFR[pos >> 3] |= ((config & PIN_PERI_MASK) >> 4) << ((pos & 7)*4) ;
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}
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}
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}
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#endif
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uint8_t usbPlugged(void)
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{
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return usb_connected;
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}
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#if defined(DEBUG)
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void debugPutc(const char c)
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{
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uartPutc(c);
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}
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#endif
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uint8_t getTemperature()
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{
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return temperature + g_eeGeneral.temperatureCalib;
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}
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void start_ppm_capture()
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{
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}
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#if !defined(SIMU)
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extern "C" {
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USB_OTG_CORE_HANDLE USB_OTG_dev;
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void OTG_FS_IRQHandler(void)
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{
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USBD_OTG_ISR_Handler (&USB_OTG_dev);
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}
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}
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void usbInit()
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{
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USBD_Init(&USB_OTG_dev, USB_OTG_FS_CORE_ID, &USR_desc, &USBD_MSC_cb, &USR_cb);
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}
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#endif
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void watchdogInit()
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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 = 1500 ; // 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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// Starts TIMER at 200Hz, 5mS period
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void init5msTimer()
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{
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// Timer14
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RCC->APB1ENR |= RCC_APB1ENR_TIM14EN ; // Enable clock
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TIM14->ARR = 4999 ; // 5mS
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TIM14->PSC = (PERI1_FREQUENCY * TIMER_MULT_APB1) / 1000000 - 1 ; // 1uS from 30MHz
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TIM14->CCER = 0 ;
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TIM14->CCMR1 = 0 ;
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TIM14->EGR = 0 ;
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TIM14->CR1 = 5 ;
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TIM14->DIER |= 1 ;
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NVIC_EnableIRQ(TIM8_TRG_COM_TIM14_IRQn) ;
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}
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void stop5msTimer( void )
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{
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TIM14->CR1 = 0 ; // stop timer
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NVIC_DisableIRQ(TIM8_TRG_COM_TIM14_IRQn) ;
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RCC->APB1ENR &= ~RCC_APB1ENR_TIM14EN ; // Disable clock
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}
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// TODO use the same than board_sky9x.cpp
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void interrupt5ms()
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{
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static uint32_t pre_scale ; // Used to get 10 Hz counter
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// HAPTIC_HEARTBEAT();
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AUDIO_HEARTBEAT();
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if ( ++pre_scale >= 2 ) {
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pre_scale = 0 ;
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per10ms();
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}
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#if defined(DEBUG)
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debugTx();
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#endif
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}
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extern "C" void TIM8_TRG_COM_TIM14_IRQHandler()
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{
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TIM14->SR &= ~TIM_SR_UIF ;
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interrupt5ms() ;
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}
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#if !defined(SIMU)
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void boardInit()
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{
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pwrInit();
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keysInit();
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adcInit();
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delaysInit();
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audioInit();
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#if defined(DEBUG)
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uartInit(DEBUG_UART_BAUDRATE);
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#endif
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// TODO init_ppm() ;
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init_trainer_capture() ;
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init5msTimer();
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__enable_irq() ;
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eepromInit();
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sportInit();
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usbInit();
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//Temporary: Configure second PPM pin as input (done after USB init in case the lib already initialises USB_ID)
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIO_EXTPPM, ENABLE);
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GPIO_InitStructure.GPIO_Pin = PIN_EXTPPM_OUT;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
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GPIO_Init(GPIO_EXTPPM, &GPIO_InitStructure);
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}
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#endif
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