0ef1717155
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78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*-----------------------------------------------------------------------/
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/ Low level disk interface modlue include file (C)ChaN, 2019 /
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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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/* 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, LBA_t sector, UINT count);
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DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t sector, UINT count);
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DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
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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 FF_FS_READONLY == 0) */
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#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
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#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
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#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_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 FF_USE_TRIM == 1) */
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/* Generic command (Not used by FatFs) */
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#define CTRL_POWER 5 /* Get/Set power status */
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#define CTRL_LOCK 6 /* Lock/Unlock media removal */
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#define CTRL_EJECT 7 /* Eject media */
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#define CTRL_FORMAT 8 /* Create physical format on the media */
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/* MMC/SDC specific ioctl command */
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#define MMC_GET_TYPE 10 /* Get card type */
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#define MMC_GET_CSD 11 /* Get CSD */
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#define MMC_GET_CID 12 /* Get CID */
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#define MMC_GET_OCR 13 /* Get OCR */
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#define MMC_GET_SDSTAT 14 /* Get SD status */
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#define ISDIO_READ 55 /* Read data form SD iSDIO register */
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#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
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#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */
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/* ATA/CF specific ioctl command */
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#define ATA_GET_REV 20 /* Get F/W revision */
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#define ATA_GET_MODEL 21 /* Get model name */
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#define ATA_GET_SN 22 /* Get serial number */
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#ifdef __cplusplus
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}
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#endif
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#endif
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