ENC28j60/Core/Src/gpio.c

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

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/*----------------------------------------------------------------------------*/
/* Configure GPIO                                                             */
/*----------------------------------------------------------------------------*/
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/** Configure pins
*/
void MX_GPIO_Init(void)
{

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

  /* GPIO Ports Clock Enable */
  LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOF);
  LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);

  /**/
  LL_GPIO_ResetOutputPin(ENC_RST_GPIO_Port, ENC_RST_Pin);

  /**/
  LL_GPIO_ResetOutputPin(ENC_CS_GPIO_Port, ENC_CS_Pin);

  /**/
  LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTF, LL_SYSCFG_EXTI_LINE1);

  /**/
  LL_GPIO_SetPinPull(GPIOF, LL_GPIO_PIN_1, LL_GPIO_PULL_NO);

  /**/
  LL_GPIO_SetPinMode(GPIOF, LL_GPIO_PIN_1, LL_GPIO_MODE_INPUT);

  /**/
  EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_1;
  EXTI_InitStruct.LineCommand = ENABLE;
  EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
  EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_RISING;
  LL_EXTI_Init(&EXTI_InitStruct);

  /**/
  GPIO_InitStruct.Pin = ENC_RST_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
  GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
  LL_GPIO_Init(ENC_RST_GPIO_Port, &GPIO_InitStruct);

  /**/
  GPIO_InitStruct.Pin = ENC_CS_Pin;
  GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
  GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
  LL_GPIO_Init(ENC_CS_GPIO_Port, &GPIO_InitStruct);

  /* EXTI interrupt init*/
  NVIC_SetPriority(EXTI0_1_IRQn, 0);
  NVIC_EnableIRQ(EXTI0_1_IRQn);

}

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