96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*-----------------------------------------------------------------------
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/ Low level disk interface modlue include file (C)ChaN, 2013
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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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#include <stdbool.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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/* 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 /* Flush disk cache (for write functions) */
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#define GET_SECTOR_COUNT 1 /* Get media size (for only f_mkfs()) */
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#define GET_SECTOR_SIZE 2 /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
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#define GET_BLOCK_SIZE 3 /* Get erase block size (for only f_mkfs()) */
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#define CTRL_ERASE_SECTOR 4 /* Force erased a block of sectors (for only _USE_ERASE) */
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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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/* 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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/* 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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/*---------------------------------------*/
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/* Prototypes for disk control functions */
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void diskio_init(void);
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void disk_deinitialize ( BYTE pdrv );
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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, BYTE count);
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DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, BYTE count);
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DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
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static inline bool disk_is_ready(BYTE pdrv);
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static inline bool disk_is_ready(BYTE pdrv)
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{
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return (pdrv < CFG_TUH_DEVICE_MAX) &&
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( (disk_status(pdrv) & (STA_NOINIT | STA_NODISK)) == 0 );
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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