/**
  ******************************************************************************
  * File Name          : ETH.c
  * Description        : This file provides code for the configuration
  *                      of the ETH instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */

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

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

ETH_HandleTypeDef heth;

/* ETH init function */
void MX_ETH_Init(void)
{

  heth.Instance = ETH;
  heth.Init.AutoNegotiation = ETH_AUTONEGOTIATION_ENABLE;
  heth.Init.PhyAddress = LAN8742A_PHY_ADDRESS;
  heth.Init.MACAddr[0] =   0x00;
  heth.Init.MACAddr[1] =   0x80;
  heth.Init.MACAddr[2] =   0xE1;
  heth.Init.MACAddr[3] =   0x00;
  heth.Init.MACAddr[4] =   0x00;
  heth.Init.MACAddr[5] =   0x00;
  heth.Init.RxMode = ETH_RXPOLLING_MODE;
  heth.Init.ChecksumMode = ETH_CHECKSUM_BY_HARDWARE;
  heth.Init.MediaInterface = ETH_MEDIA_INTERFACE_RMII;

  /* USER CODE BEGIN MACADDRESS */
    
  /* USER CODE END MACADDRESS */

  if (HAL_ETH_Init(&heth) != HAL_OK)
  {
    Error_Handler();
  }

}

void HAL_ETH_MspInit(ETH_HandleTypeDef* ethHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(ethHandle->Instance==ETH)
  {
  /* USER CODE BEGIN ETH_MspInit 0 */

  /* USER CODE END ETH_MspInit 0 */
    /* ETH clock enable */
    __HAL_RCC_ETH_CLK_ENABLE();
  
    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
    __HAL_RCC_GPIOG_CLK_ENABLE();
    /**ETH GPIO Configuration    
    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 
    */
    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);

    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);

    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);

    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 ETH_MspInit 1 */

  /* USER CODE END ETH_MspInit 1 */
  }
}

void HAL_ETH_MspDeInit(ETH_HandleTypeDef* ethHandle)
{

  if(ethHandle->Instance==ETH)
  {
  /* USER CODE BEGIN ETH_MspDeInit 0 */

  /* USER CODE END ETH_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_ETH_CLK_DISABLE();
  
    /**ETH GPIO Configuration    
    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 
    */
    HAL_GPIO_DeInit(GPIOC, RMII_MDC_Pin|RMII_RXD0_Pin|RMII_RXD1_Pin);

    HAL_GPIO_DeInit(GPIOA, RMII_REF_CLK_Pin|RMII_MDIO_Pin|RMII_CRS_DV_Pin);

    HAL_GPIO_DeInit(RMII_TXD1_GPIO_Port, RMII_TXD1_Pin);

    HAL_GPIO_DeInit(GPIOG, RMII_TX_EN_Pin|RMII_TXD0_Pin);

  /* USER CODE BEGIN ETH_MspDeInit 1 */

  /* USER CODE END ETH_MspDeInit 1 */
  }
} 

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

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