shithub: leaf

ref: a80af55313ca99a442b2574dd53ebedfb9e736fc
dir: /LEAF/Src/sdmmc.c/

/**
  ******************************************************************************
  * File Name          : SDMMC.c
  * Description        : This file provides code for the configuration
  *                      of the SDMMC 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 "sdmmc.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

SD_HandleTypeDef hsd1;

/* SDMMC1 init function */

void MX_SDMMC1_SD_Init(void)
{

  hsd1.Instance = SDMMC1;
  hsd1.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
  hsd1.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
  hsd1.Init.BusWide = SDMMC_BUS_WIDE_4B;
  hsd1.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
  hsd1.Init.ClockDiv = 0;
  hsd1.Init.TranceiverPresent = SDMMC_TRANSCEIVER_NOT_PRESENT;

}

void HAL_SD_MspInit(SD_HandleTypeDef* sdHandle)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(sdHandle->Instance==SDMMC1)
  {
  /* USER CODE BEGIN SDMMC1_MspInit 0 */

  /* USER CODE END SDMMC1_MspInit 0 */
    /* SDMMC1 clock enable */
    __HAL_RCC_SDMMC1_CLK_ENABLE();
  
    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    /**SDMMC1 GPIO Configuration    
    PC8     ------> SDMMC1_D0
    PC9     ------> SDMMC1_D1
    PC10     ------> SDMMC1_D2
    PC11     ------> SDMMC1_D3
    PC12     ------> SDMMC1_CK
    PD2     ------> SDMMC1_CMD 
    */
    GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF12_SDIO1;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF12_SDIO1;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_2;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF12_SDIO1;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

  /* USER CODE BEGIN SDMMC1_MspInit 1 */

  /* USER CODE END SDMMC1_MspInit 1 */
  }
}

void HAL_SD_MspDeInit(SD_HandleTypeDef* sdHandle)
{

  if(sdHandle->Instance==SDMMC1)
  {
  /* USER CODE BEGIN SDMMC1_MspDeInit 0 */

  /* USER CODE END SDMMC1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_SDMMC1_CLK_DISABLE();
  
    /**SDMMC1 GPIO Configuration    
    PC8     ------> SDMMC1_D0
    PC9     ------> SDMMC1_D1
    PC10     ------> SDMMC1_D2
    PC11     ------> SDMMC1_D3
    PC12     ------> SDMMC1_CK
    PD2     ------> SDMMC1_CMD 
    */
    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 
                          |GPIO_PIN_12);

    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);

  /* USER CODE BEGIN SDMMC1_MspDeInit 1 */

  /* USER CODE END SDMMC1_MspDeInit 1 */
  }
} 

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

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