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diskio.h
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/*-----------------------------------------------------------------------/
/ Low level disk interface modlue include file (C)ChaN, 2019 /
/-----------------------------------------------------------------------*/
#include "ff.h"
#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED
#ifdef __cplusplus
extern "C"
{
#endif
/* Definitions of physical drive number for each drive */
#define DEV_MMC 0 /* Example: Map MMC/SD card to physical drive 1 */
#define DEV_CFC 1 /* Example: Map CF card to physical drive 2 */
#define DEV_RAM 2 /* Example: Map Ramdisk to physical drive 0 */
#define DEV_USB 3 /* Example: Map USB MSD to physical drive 2 */
#define _USE_WRITE 1 /* 1: Enable disk_write function */
#define _USE_IOCTL 1 /* 1: Enable disk_ioctl fucntion */
#define _USE_ISDIO 1 /* 1: Enable iSDIO controls via disk_ioctl */
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum
{
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
/* Command structure for iSDIO ioctl command */
typedef struct
{
BYTE func; /* Function number: 0..7 */
WORD ndata; /* Number of bytes to transfer: 1..512, or mask + data */
DWORD addr; /* Register address: 0..0x1FFFF */
void* data; /* Pointer to the data (to be written | read buffer) */
} SDIO_CTRL;
/*---------------------------------------*/
/* Prototypes for disk control functions */
/* diskio.c */
DSTATUS disk_status ( BYTE pdrv );
DSTATUS disk_initialize ( BYTE pdrv );
DRESULT disk_read ( BYTE pdrv , BYTE *buff , LBA_t sector , UINT count );
DRESULT disk_write ( BYTE pdrv , const BYTE *buff , LBA_t sector , UINT count );
DRESULT disk_ioctl ( BYTE pdrv , BYTE cmd , void *buff );
void disk_timerproc ( void );
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl fucntion */
/* Generic command (Used by FatFs) */
#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
/* Generic command (Not used by FatFs) */
#define CTRL_FORMAT 5 /* Create physical format on the media */
#define CTRL_POWER_IDLE 6 /* Put the device idle state */
#define CTRL_POWER_OFF 7 /* Put the device off state */
#define CTRL_LOCK 8 /* Lock media removal */
#define CTRL_UNLOCK 9 /* Unlock media removal */
#define CTRL_EJECT 10 /* Eject media */
#define CTRL_GET_SMART 11 /* Read SMART information */
/* MMC/SDC specific command (Not used by FatFs) */
#define MMC_GET_TYPE 50 /* Get card type */
#define MMC_GET_CSD 51 /* Read CSD */
#define MMC_GET_CID 52 /* Read CID */
#define MMC_GET_OCR 53 /* Read OCR */
#define MMC_GET_SDSTAT 54 /* Read SD status */
#define ISDIO_READ 55 /* Read data form SD iSDIO register */
#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */
/* ATA/CF specific command (Not used by FatFs) */
#define ATA_GET_REV 60 /* Get F/W revision */
#define ATA_GET_MODEL 61 /* Get model name */
#define ATA_GET_SN 62 /* Get serial number */
/* MMC card type flags (MMC_GET_TYPE) */
#define CT_MMC 0x01 /* MMC ver 3 */
#define CT_SD1 0x02 /* SD ver 1 */
#define CT_SD2 0x04 /* SD ver 2 */
#define CT_SDC (CT_SD1|CT_SD2) /* SD */
#define CT_BLOCK 0x08 /* Block addressing */
#ifdef __cplusplus
}
#endif
#endif