optical/SEW-EXA1/Core/Src/gpio.c

/**
  ******************************************************************************
  * @file    gpio.c
  * @brief   This file provides code for the configuration
  *          of all used GPIO pins.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

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

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

  LL_EXTI_InitTypeDef EXTI_InitStruct = {0};
  LL_GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
  LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOD);
  LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
  LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOB);

  /**/
  LL_GPIO_ResetOutputPin(GPIOC, ERR_LED_Pin|SYS_LED_Pin);

  /**/
  LL_GPIO_ResetOutputPin(GPIOA, RS485_2_EN_Pin|MT_DIR_Pin|MT_STEP_Pin|MT_SON_Pin);

  /**/
  LL_GPIO_ResetOutputPin(RS485_EN_GPIO_Port, RS485_EN_Pin);

  /**/
  LL_GPIO_SetOutputPin(GPIOA, OUTPWM2_Pin|OUTPUT1_Pin);

  /**/
  LL_GPIO_SetOutputPin(GPIOC, OUTPUT2_Pin|OUTPUT3_Pin|OUTPWM1_Pin);

  /**/
  LL_GPIO_SetOutputPin(GPIOB, OUTPUT4_Pin|OUTPUT5_Pin|OUTPUT6_Pin|OUTPUT7_Pin
                          |OUTPUT8_Pin);

  /**/
  GPIO_InitStruct.Pin = ERR_LED_Pin|SYS_LED_Pin|OUTPUT2_Pin|OUTPUT3_Pin
                          |OUTPWM1_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
  GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
  LL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /**/
  GPIO_InitStruct.Pin = CAN_MP_Pin|SW1_Pin|SW2_Pin|SW3_Pin
                          |INPUT7_Pin|INPUT6_Pin|INPUT5_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
  LL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /**/
  GPIO_InitStruct.Pin = OUTPWM2_Pin|RS485_2_EN_Pin|MT_DIR_Pin|MT_STEP_Pin
                          |MT_SON_Pin|OUTPUT1_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
  GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
  LL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /**/
  GPIO_InitStruct.Pin = OUTPUT4_Pin|RS485_EN_Pin|OUTPUT5_Pin|OUTPUT6_Pin
                          |OUTPUT7_Pin|OUTPUT8_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
  GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
  LL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /**/
  GPIO_InitStruct.Pin = INPUT8_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
  LL_GPIO_Init(INPUT8_GPIO_Port, &GPIO_InitStruct);

  /**/
  GPIO_InitStruct.Pin = INPUT4_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
  LL_GPIO_Init(INPUT4_GPIO_Port, &GPIO_InitStruct);

  /**/
  GPIO_InitStruct.Pin = INPUT3_Pin|INPUT2_Pin|INPUT1_Pin|SW4_Pin
                          |CAN_ZP_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
  LL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /**/
  LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTA, LL_GPIO_AF_EXTI_LINE8);

  /**/
  LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTA, LL_GPIO_AF_EXTI_LINE9);

  /**/
  LL_GPIO_AF_SetEXTISource(LL_GPIO_AF_EXTI_PORTA, LL_GPIO_AF_EXTI_LINE10);

  /**/
  EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_8;
  EXTI_InitStruct.LineCommand = ENABLE;
  EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
  EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_RISING;
  LL_EXTI_Init(&EXTI_InitStruct);

  /**/
  EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_9;
  EXTI_InitStruct.LineCommand = ENABLE;
  EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
  EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_RISING;
  LL_EXTI_Init(&EXTI_InitStruct);

  /**/
  EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_10;
  EXTI_InitStruct.LineCommand = ENABLE;
  EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
  EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_RISING;
  LL_EXTI_Init(&EXTI_InitStruct);

  /**/
  LL_GPIO_SetPinMode(AP_GPIO_Port, AP_Pin, LL_GPIO_MODE_FLOATING);

  /**/
  LL_GPIO_SetPinMode(BP_GPIO_Port, BP_Pin, LL_GPIO_MODE_FLOATING);

  /**/
  LL_GPIO_SetPinMode(ZP_GPIO_Port, ZP_Pin, LL_GPIO_MODE_FLOATING);

  /* EXTI interrupt init*/
  NVIC_SetPriority(EXTI9_5_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
  NVIC_EnableIRQ(EXTI9_5_IRQn);
  NVIC_SetPriority(EXTI15_10_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
  NVIC_EnableIRQ(EXTI15_10_IRQn);

}

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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/