gpio.c
/**
  ******************************************************************************
  * @file    gpio.c
  * @brief   This file provides code for the configuration
  *          of all used GPIO pins.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2022 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */


/* Includes ------------------------------------------------------------------*/
#include "gpio.h"

/*----------------------------------------------------------------------------*/
/* Configure GPIO                                                             */
/*----------------------------------------------------------------------------*/

/** Configure pins as
 * Analog
 * Input
 * Output
 * EVENT_OUT
 * EXTI
 */
void MX_GPIO_Init(void)
{

	GPIO_InitTypeDef GPIO_InitStruct = {0};

	/* GPIO Ports Clock Enable */
	__HAL_RCC_GPIOA_CLK_ENABLE();
	__HAL_RCC_GPIOB_CLK_ENABLE();

	/*Configure GPIO pin Output Level */
	HAL_GPIO_WritePin(GPIOA, C_FOF_Pin|C_FOR_Pin|C_GPIOB_Pin|C_GPIOA_Pin, GPIO_PIN_RESET);

	/*Configure GPIO pin Output Level */
	HAL_GPIO_WritePin(GPIOB, C_AUX1_Pin|C_AUX2_Pin, GPIO_PIN_RESET);

	/*Configure GPIO pins : PAPin PAPin PAPin PAPin */
	GPIO_InitStruct.Pin = C_FOF_Pin|C_FOR_Pin|C_GPIOB_Pin|C_GPIOA_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

	/*Configure GPIO pin : PtPin */
	GPIO_InitStruct.Pin = nFAULT_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	HAL_GPIO_Init(nFAULT_GPIO_Port, &GPIO_InitStruct);

	/*Configure GPIO pins : PBPin PBPin */
	GPIO_InitStruct.Pin = C_AUX1_Pin|C_AUX2_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

	/*Configure GPIO pin : PtPin */
	GPIO_InitStruct.Pin = DCC_DATA_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
	GPIO_InitStruct.Pull = GPIO_PULLUP;
	HAL_GPIO_Init(DCC_DATA_GPIO_Port, &GPIO_InitStruct);

	/* EXTI interrupt init*/
	HAL_NVIC_SetPriority(EXTI4_15_IRQn, 0, 0);
	HAL_NVIC_EnableIRQ(EXTI4_15_IRQn);
}