84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
/*-----------------------------------------------------------------------
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/ Low level disk interface modlue include file R0.05 (C)ChaN, 2007
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/-----------------------------------------------------------------------*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _DISKIO
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#define _READONLY 0 /* 1: Read-only mode */
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#define _USE_IOCTL 1
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#include "integer.h"
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/*
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* Status of Disk Functions
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*/
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typedef BYTE DSTATUS;
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/*
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* Results of Disk Functions
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*/
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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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/*
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* Prototypes for disk control functions
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*/
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DSTATUS disk_initialize(BYTE);
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DSTATUS disk_status(BYTE);
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DRESULT disk_read(BYTE, BYTE *, DWORD, BYTE);
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#if _READONLY == 0
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DRESULT disk_write(BYTE, const BYTE *, DWORD, BYTE);
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#endif
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DRESULT disk_ioctl(BYTE, BYTE, void *);
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void disk_timerproc(void);
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/*
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* Disk Status Bits (DSTATUS)
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*/
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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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#define STA_VOID 0xff
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/*
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* Command code for disk_ioctrl()
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*/
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/*
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* Generic command
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*/
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#define CTRL_SYNC 0 /* Mandatory for write functions */
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#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
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#define GET_SECTOR_SIZE 2
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#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
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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 _DISKIO
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#endif
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#ifdef __cplusplus
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}
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#endif
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