text: /**
    ******************************************************************************
    * @file    gpio.c
    * @brief   This file provides code for the configuration
    *          of all used GPIO pins.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; Copyright (c) 2022 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"
  
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  /*----------------------------------------------------------------------------*/
  /* Configure GPIO                                                             */
  /*----------------------------------------------------------------------------*/
  /* USER CODE BEGIN 1 */
  
  /* USER CODE END 1 */
  
  /** Configure pins as
          * Analog
          * Input
          * Output
          * EVENT_OUT
          * EXTI
       PC1   ------> ETH_MDC
       PA1   ------> ETH_REF_CLK
       PA2   ------> ETH_MDIO
       PA7   ------> ETH_CRS_DV
       PC4   ------> ETH_RXD0
       PC5   ------> ETH_RXD1
       PB13   ------> ETH_TXD1
       PG11   ------> ETH_TX_EN
       PG13   ------> ETH_TXD0
  */
  void MX_GPIO_Init(void)
  {
  
    GPIO_InitTypeDef GPIO_InitStruct = {0};
  
    /* GPIO Ports Clock Enable */
    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOH_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    __HAL_RCC_GPIOG_CLK_ENABLE();
  
    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(GPIOB, LD1_Pin|LD3_Pin|LD2_Pin, GPIO_PIN_RESET);
  
    /*Configure GPIO pin Output Level */
    HAL_GPIO_WritePin(USB_PowerSwitchOn_GPIO_Port, USB_PowerSwitchOn_Pin, GPIO_PIN_RESET);
  
    /*Configure GPIO pin : PtPin */
    GPIO_InitStruct.Pin = USER_Btn_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(USER_Btn_GPIO_Port, &GPIO_InitStruct);
  
    /*Configure GPIO pins : PCPin PCPin PCPin */
    GPIO_InitStruct.Pin = RMII_MDC_Pin|RMII_RXD0_Pin|RMII_RXD1_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  
    /*Configure GPIO pins : PAPin PAPin PAPin */
    GPIO_InitStruct.Pin = RMII_REF_CLK_Pin|RMII_MDIO_Pin|RMII_CRS_DV_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  
    /*Configure GPIO pins : PBPin PBPin PBPin */
    GPIO_InitStruct.Pin = LD1_Pin|LD3_Pin|LD2_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 = RMII_TXD1_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
    HAL_GPIO_Init(RMII_TXD1_GPIO_Port, &GPIO_InitStruct);
  
    /*Configure GPIO pin : PtPin */
    GPIO_InitStruct.Pin = USB_PowerSwitchOn_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(USB_PowerSwitchOn_GPIO_Port, &GPIO_InitStruct);
  
    /*Configure GPIO pin : PtPin */
    GPIO_InitStruct.Pin = USB_OverCurrent_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(USB_OverCurrent_GPIO_Port, &GPIO_InitStruct);
  
    /*Configure GPIO pins : PGPin PGPin */
    GPIO_InitStruct.Pin = RMII_TX_EN_Pin|RMII_TXD0_Pin;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
    HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
  
  }
  
  /* USER CODE BEGIN 2 */
  
  /* USER CODE END 2 */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  