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fatfs: add pluggable diskio layer, sdmmc implementation

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This commit is contained in:
Ivan Grokhotkov
2016-12-29 17:33:38 +08:00
committed by Ivan Grokhotkov
parent 1440c866fc
commit 9398d1b1cc
4 changed files with 130 additions and 203 deletions
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22
components/fatfs/src/diskio.h
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@@ -10,7 +10,8 @@ extern "C" {
#endif
#include "integer.h"
#include "sdmmc_cmd.h"
#include "driver/sdmmc_host.h"
/* Status of Disk Functions */
typedef BYTE DSTATUS;
@@ -29,12 +30,31 @@ typedef enum {
/* Prototypes for disk control functions */
/* Redefine names of disk IO functions to prevent name collisions */
#define disk_initialize ff_disk_initialize
#define disk_status ff_disk_status
#define disk_read ff_disk_read
#define disk_write ff_disk_write
#define disk_ioctl ff_disk_ioctl
DSTATUS disk_initialize (BYTE pdrv);
DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
typedef struct {
DSTATUS (*init) (BYTE pdrv);
DSTATUS (*status) (BYTE pdrv);
DRESULT (*read) (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
DRESULT (*write) (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
DRESULT (*ioctl) (BYTE pdrv, BYTE cmd, void* buff);
} ff_diskio_impl_t;
void ff_diskio_register(BYTE pdrv, const ff_diskio_impl_t* discio_impl);
void ff_diskio_register_sdmmc(BYTE pdrv, sdmmc_card_t* card);
/* Disk Status Bits (DSTATUS) */