61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*-----------------------------------------------------------------------
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/ Low level disk interface modlue include file R0.04a (C)ChaN, 2007
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/-----------------------------------------------------------------------*/
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#ifndef __SDCARD_H__
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#define __SDCARD_H__
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#define _READONLY 0 /* 1: Read-only mode */
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#include <rtthread.h>
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/* Status of Disk Functions */
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typedef rt_uint8_t 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 (rt_uint8_t);
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DSTATUS disk_status (rt_uint8_t);
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DRESULT disk_read (rt_uint8_t, rt_uint8_t*, rt_uint32_t, rt_uint8_t);
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#if _READONLY == 0
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DRESULT disk_write (rt_uint8_t, const rt_uint8_t*, rt_uint32_t, rt_uint8_t);
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#endif
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DRESULT disk_ioctl (rt_uint8_t, rt_uint8_t, void*);
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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() */
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#define GET_SECTOR_COUNT 1
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#define GET_SECTOR_SIZE 2
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#define CTRL_SYNC 3
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#define CTRL_POWER 4
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#define CTRL_LOCK 5
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#define CTRL_EJECT 6
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#define MMC_GET_CSD 10
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#define MMC_GET_CID 11
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#define MMC_GET_OCR 12
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#define ATA_GET_REV 20
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#define ATA_GET_MODEL 21
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#define ATA_GET_SN 22
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#endif
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