FATFS文件系统问题，无法进行创建文件，写入数据

Solace1123 · 发表于 2019-4-27 20:11:13

本帖最后由 Solace1123 于 2019-4-27 20:10 编辑

用的是micro SD卡，不知道是挂载不上还是怎么样，程序跑到创建文本文件的那一句就卡死了，求助！！！换了两张卡还是不行SD卡用的是别人的SDIO库
这是diskio.c,

[mw_shl_code=c,true]/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs    (C)ChaN, 2007       */
/*-----------------------------------------------------------------------*/
/* This is a stub disk I/O module that acts as front end of the existing */
/* disk I/O modules and attach it to FatFs module with common interface. */
/*-----------------------------------------------------------------------*/

#include "diskio.h"
#include "stm32f10x.h"
#include "sdio_sdcard.h"

#define BLOCK_SIZE          512 /* Block Size in Bytes */

/*-----------------------------------------------------------------------*/
/* Inidialize a Drive                                                 */

DSTATUS disk_initialize (
      BYTE drv                               /* Physical drive nmuber (0..) */
)
{
      SD_Error  Status;
      /* Supports only single drive */
      if (drv)
      {
            return STA_NOINIT;
      }
/*-------------------------- SD Init ----------------------------- */
  Status = SD_Init();
      if (Status!=SD_OK )
      {
            return STA_NOINIT;
      }
      else
      {
            return RES_OK;
      }

}

/*-----------------------------------------------------------------------*/
/* Return Disk Status                                                 */

DSTATUS disk_status (
      BYTE drv             /* Physical drive nmuber (0..) */
)
{
      return RES_OK;
}

/*-----------------------------------------------------------------------*/
/* Read Sector(s)                                                       */

DRESULT disk_read (
      BYTE drv,             /* Physical drive nmuber (0..) */
      BYTE *buff,             /* Data buffer to store read data */
      DWORD sector,       /* Sector address (LBA) */
      BYTE count             /* Number of sectors to read (1..255) */
)
{

      if (count > 1)
      {
            SD_ReadMultiBlocks(buff, sector*BLOCK_SIZE, BLOCK_SIZE, count);

                        /* Check if the Transfer is finished */
         SD_WaitReadOperation();  //Ñ-»·2éÑˉdma′«êäêÇ·ñ½áêø

         /* Wait until end of DMA transfer */
         while(SD_GetStatus() != SD_TRANSFER_OK);

      }
      else
      {

            SD_ReadBlock(buff, sector*BLOCK_SIZE, BLOCK_SIZE);

                        /* Check if the Transfer is finished */
         SD_WaitReadOperation();  //Ñ-»·2éÑˉdma′«êäêÇ·ñ½áêø

         /* Wait until end of DMA transfer */
         while(SD_GetStatus() != SD_TRANSFER_OK);

      }
      return RES_OK;
}

/*-----------------------------------------------------------------------*/
/* Write Sector(s)                                                    */

#if _READONLY == 0
DRESULT disk_write (
      BYTE drv,                      /* Physical drive nmuber (0..) */
      const BYTE *buff,       /* Data to be written */
      DWORD sector,             /* Sector address (LBA) */
      BYTE count                      /* Number of sectors to write (1..255) */
)
{

      if (count > 1)
      {
            SD_WriteMultiBlocks((uint8_t *)buff, sector*BLOCK_SIZE, BLOCK_SIZE, count);

               /* Check if the Transfer is finished */
               SD_WaitWriteOperation();          //μè′ydma′«êä½áêø
         while(SD_GetStatus() != SD_TRANSFER_OK); //μè′ysdioμ½sd¿¨′«êä½áêø
      }
      else
      {
            SD_WriteBlock((uint8_t *)buff,sector*BLOCK_SIZE, BLOCK_SIZE);

               /* Check if the Transfer is finished */
                        SD_WaitWriteOperation();          //μè′ydma′«êä½áêø
         while(SD_GetStatus() != SD_TRANSFER_OK); //μè′ysdioμ½sd¿¨′«êä½áêø
      }
      return RES_OK;
}
#endif /* _READONLY */

/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions                                              */

DRESULT disk_ioctl (
      BYTE drv,             /* Physical drive nmuber (0..) */
      BYTE ctrl,             /* Control code */
      void *buff             /* Buffer to send/receive control data */
)
{
      return RES_OK;
}

/*-----------------------------------------------------------------------*/
/* Get current time                                                    */
/*-----------------------------------------------------------------------*/
DWORD get_fattime(void)
{

      return 0;

}
[/mw_shl_code]