BlueSCSI-v2/lib/SCSI2SD/STM32CubeMX/2021/Src/sdio.c

/**
  ******************************************************************************
  * File Name          : SDIO.c
  * Description        : This file provides code for the configuration
  *                      of the SDIO instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 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 "sdio.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

SD_HandleTypeDef hsd;
DMA_HandleTypeDef hdma_sdio_tx;
DMA_HandleTypeDef hdma_sdio_rx;

/* SDIO init function */

void MX_SDIO_SD_Init(void)
{

  hsd.Instance = SDIO;
  hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
  hsd.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
  hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
  hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
  hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_ENABLE;
  hsd.Init.ClockDiv = 0;
  if (HAL_SD_Init(&hsd) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
  {
    Error_Handler();
  }

}

void HAL_SD_MspInit(SD_HandleTypeDef* sdHandle)
{

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

  /* USER CODE END SDIO_MspInit 0 */
    /* SDIO clock enable */
    __HAL_RCC_SDIO_CLK_ENABLE();
  
    __HAL_RCC_GPIOC_CLK_ENABLE();
    __HAL_RCC_GPIOD_CLK_ENABLE();
    /**SDIO GPIO Configuration    
    PC8     ------> SDIO_D0
    PC9     ------> SDIO_D1
    PC10     ------> SDIO_D2
    PC11     ------> SDIO_D3
    PC12     ------> SDIO_CK
    PD2     ------> SDIO_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_SDIO;
    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_SDIO;
    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_SDIO;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    /* SDIO DMA Init */
    /* SDIO_TX Init */
    hdma_sdio_tx.Instance = DMA2_Stream3;
    hdma_sdio_tx.Init.Channel = DMA_CHANNEL_4;
    hdma_sdio_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_sdio_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_sdio_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_sdio_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    hdma_sdio_tx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
    hdma_sdio_tx.Init.Mode = DMA_PFCTRL;
    hdma_sdio_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
    hdma_sdio_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
    hdma_sdio_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
    hdma_sdio_tx.Init.MemBurst = DMA_MBURST_INC4;
    hdma_sdio_tx.Init.PeriphBurst = DMA_PBURST_INC4;
    if (HAL_DMA_Init(&hdma_sdio_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(sdHandle,hdmatx,hdma_sdio_tx);

    /* SDIO_RX Init */
    hdma_sdio_rx.Instance = DMA2_Stream6;
    hdma_sdio_rx.Init.Channel = DMA_CHANNEL_4;
    hdma_sdio_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_sdio_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_sdio_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_sdio_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    hdma_sdio_rx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
    hdma_sdio_rx.Init.Mode = DMA_PFCTRL;
    hdma_sdio_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
    hdma_sdio_rx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
    hdma_sdio_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
    hdma_sdio_rx.Init.MemBurst = DMA_MBURST_INC4;
    hdma_sdio_rx.Init.PeriphBurst = DMA_PBURST_INC4;
    if (HAL_DMA_Init(&hdma_sdio_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(sdHandle,hdmarx,hdma_sdio_rx);

    /* SDIO interrupt Init */
    HAL_NVIC_SetPriority(SDIO_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(SDIO_IRQn);
  /* USER CODE BEGIN SDIO_MspInit 1 */

  /* USER CODE END SDIO_MspInit 1 */
  }
}

void HAL_SD_MspDeInit(SD_HandleTypeDef* sdHandle)
{

  if(sdHandle->Instance==SDIO)
  {
  /* USER CODE BEGIN SDIO_MspDeInit 0 */

  /* USER CODE END SDIO_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_SDIO_CLK_DISABLE();
  
    /**SDIO GPIO Configuration    
    PC8     ------> SDIO_D0
    PC9     ------> SDIO_D1
    PC10     ------> SDIO_D2
    PC11     ------> SDIO_D3
    PC12     ------> SDIO_CK
    PD2     ------> SDIO_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);

    /* SDIO DMA DeInit */
    HAL_DMA_DeInit(sdHandle->hdmatx);
    HAL_DMA_DeInit(sdHandle->hdmarx);

    /* SDIO interrupt Deinit */
    HAL_NVIC_DisableIRQ(SDIO_IRQn);
  /* USER CODE BEGIN SDIO_MspDeInit 1 */

  /* USER CODE END SDIO_MspDeInit 1 */
  }
} 

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

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