[STM32L5] 【STM32L562 DK试用】移植SD卡驱动

void EXTI2_IRQHandler(void)

{

  BSP_SD_DETECT_IRQHandler(0);

}



void SDMMC1_IRQHandler(void)

{

  BSP_SD_IRQHandler(0);

}

#include "main.h"

#include "stdio.h"



#define SD_CARD_PRESENCE_POLLING_MODE        0

#define SD_CARD_PRESENCE_INTERRUPT_MODE      1



#define SD_CARD_PRESENCE_VALIDATION_MODE     SD_CARD_PRESENCE_INTERRUPT_MODE       



#define BLOCK_START_ADDR         0     /* Block start address      */

#define NUM_OF_BLOCKS            5     /* Total number of blocks   */

#define BUFFER_WORDS_SIZE        ((BLOCKSIZE * NUM_OF_BLOCKS) >> 2) /* Total data size in bytes */



__IO uint32_t SDWriteStatus = 0, SDReadStatus = 0, SDDetectStatus = 0, SDDetectIT = 0;



void SD_demo(void)

{

        int32_t SD_state = BSP_ERROR_NONE;

        SD_state = BSP_SD_Init(0);

        

#if (SD_CARD_PRESENCE_VALIDATION_MODE == SD_CARD_PRESENCE_INTERRUPT_MODE)

  if (SD_state == BSP_ERROR_NONE)

  {

    SD_state = BSP_SD_DetectITConfig(0);

  }

#endif

        

        if (SD_state != BSP_ERROR_NONE)

  {

                if (SD_state == BSP_ERROR_UNKNOWN_COMPONENT)

    {

      printf("SD shall be inserted before");

      printf("running test.\r\n");

      printf("SD Test Aborted.\r\n");

    }

    else

    {

      printf("SD Initialization : FAIL.\r\n");

      printf("SD Test Aborted.\r\n");

    }

        }

        else

  {

    printf("SD Initialization : OK.\r\n");

        }

        

}





/**

  * [url=home.php?mod=space&uid=247401]@brief[/url] Tx Transfer completed callback

  * @param  Instance     SD Instance

  * @retval None

  */

void BSP_SD_WriteCpltCallback(uint32_t Instance)

{

  if (Instance == 0)

  {

    SDWriteStatus = 1;

  }

}



/**

  * @brief Rx Transfer completed callback

  * @param  Instance     SD Instance

  * @retval None

  */

void BSP_SD_ReadCpltCallback(uint32_t Instance)

{

  if (Instance == 0)

  {

    SDReadStatus = 1;

  }

}



/**

  * @brief  BSP SD Callback.

  * @param  Instance SD Instance

  * @param  Status   Pin status

  * @retval None.

  */

void BSP_SD_DetectCallback(uint32_t Instance, uint32_t Status)

{

  if (Instance == 0)

  {

    SDDetectIT = 1;

    SDDetectStatus = Status;

  }

}



/**

  * @brief SDMMC error callback

  * @param None

  * @retval None

  */

void HAL_SD_ErrorCallback(SD_HandleTypeDef *hsd)

{

  Error_Handler();

}