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96 lines
3.0 KiB
C
96 lines
3.0 KiB
C
/*-----------------------------------------------------------------------
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/ Low level disk interface modlue include file (C)ChaN, 2014
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/-----------------------------------------------------------------------*/
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#ifndef _DISKIO_DEFINED
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#define _DISKIO_DEFINED
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _USE_WRITE 1 /* 1: Enable disk_write function */
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#define _USE_IOCTL 1 /* 1: Enable disk_ioctl fucntion */
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#include "integer.h"
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/* Status of Disk Functions */
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typedef BYTE DSTATUS;
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/* Results of Disk Functions */
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typedef enum {
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RES_OK = 0, /* 0: Successful */
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RES_ERROR, /* 1: R/W Error */
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RES_WRPRT, /* 2: Write Protected */
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RES_NOTRDY, /* 3: Not Ready */
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RES_PARERR /* 4: Invalid Parameter */
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} DRESULT;
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/*---------------------------------------*/
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/* Prototypes for disk control functions */
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DSTATUS disk_initialize (BYTE pdrv);
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DSTATUS disk_status (BYTE pdrv);
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DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
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#if _USE_WRITE
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DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
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#endif
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#if _USE_IOCTL
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DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
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#endif
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void disk_timerproc (void);
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/* Disk Status Bits (DSTATUS) */
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#define STA_NOINIT 0x01 /* Drive not initialized */
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#define STA_NODISK 0x02 /* No medium in the drive */
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#define STA_PROTECT 0x04 /* Write protected */
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/* Command code for disk_ioctrl fucntion */
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/* Generic command (Used by FatFs) */
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#define CTRL_SYNC 0 /* Complete pending write process (needed at _FS_READONLY == 0) */
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#define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */
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#define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */
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#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */
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#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */
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/* Generic command (Not used by FatFs) */
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#define CTRL_FORMAT 5 /* Create physical format on the media */
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#define CTRL_POWER_IDLE 6 /* Put the device idle state */
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#define CTRL_POWER_OFF 7 /* Put the device off state */
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#define CTRL_LOCK 8 /* Lock media removal */
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#define CTRL_UNLOCK 9 /* Unlock media removal */
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#define CTRL_EJECT 10 /* Eject media */
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/* MMC/SDC specific command (Not used by FatFs) */
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#define MMC_GET_TYPE 50 /* Get card type */
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#define MMC_GET_CSD 51 /* Get CSD */
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#define MMC_GET_CID 52 /* Get CID */
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#define MMC_GET_OCR 53 /* Get OCR */
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#define MMC_GET_SDSTAT 54 /* Get SD status */
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/* ATA/CF specific command (Not used by FatFs) */
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#define ATA_GET_REV 60 /* Get F/W revision */
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#define ATA_GET_MODEL 61 /* Get model name */
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#define ATA_GET_SN 62 /* Get serial number */
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/* MMC card type flags (MMC_GET_TYPE) */
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#define CT_MMC 0x01 /* MMC ver 3 */
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#define CT_SD1 0x02 /* SD ver 1 */
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#define CT_SD2 0x04 /* SD ver 2 */
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#define CT_SDC (CT_SD1|CT_SD2) /* SD */
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#define CT_BLOCK 0x08 /* Block addressing */
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#ifdef __cplusplus
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}
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#endif
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#endif
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