SAMV71 Xplained Ultra Software Package 1.0

diskio.h

00001 /*-----------------------------------------------------------------------/
00002 /  Low level disk interface module include file   (C)ChaN, 2013          /
00003 /-----------------------------------------------------------------------*/
00004 
00005 #ifndef _DISKIO_DEFINED
00006 #define _DISKIO_DEFINED
00007 
00008 #ifdef __cplusplus
00009 extern "C" {
00010 #endif
00011 
00012 #define _USE_WRITE    1    /* 1: Enable disk_write function */
00013 #define _USE_IOCTL    1    /* 1: Enable disk_ioctl fucntion */
00014 
00015 #include "integer.h"
00016 
00017 
00018 /* Status of Disk Functions */
00019 typedef BYTE    DSTATUS;
00020 
00021 /* Results of Disk Functions */
00022 typedef enum {
00023     RES_OK = 0,        /* 0: Successful */
00024     RES_ERROR,        /* 1: R/W Error */
00025     RES_WRPRT,        /* 2: Write Protected */
00026     RES_NOTRDY,        /* 3: Not Ready */
00027     RES_PARERR        /* 4: Invalid Parameter */
00028 } DRESULT;
00029 
00030 
00031 /*---------------------------------------*/
00032 /* Prototypes for disk control functions */
00033 
00034 
00035 DSTATUS disk_initialize (BYTE pdrv);
00036 DSTATUS disk_status (BYTE pdrv);
00037 DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
00038 DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
00039 DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
00040 
00041 
00042 /* Disk Status Bits (DSTATUS) */
00043 
00044 #define STA_NOINIT        0x01    /* Drive not initialized */
00045 #define STA_NODISK        0x02    /* No medium in the drive */
00046 #define STA_PROTECT        0x04    /* Write protected */
00047 
00048 
00049 /* Command code for disk_ioctrl function */
00050 
00051 /* Generic command (used by FatFs) */
00052 #define CTRL_SYNC            0    /* Flush disk cache (for write functions) */
00053 #define GET_SECTOR_COUNT    1    /* Get media size (for only f_mkfs()) */
00054 #define GET_SECTOR_SIZE        2    /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
00055 #define GET_BLOCK_SIZE        3    /* Get erase block size (for only f_mkfs()) */
00056 #define CTRL_ERASE_SECTOR    4    /* Force erased a block of sectors (for only _USE_ERASE) */
00057 
00058 /* Generic command (not used by FatFs) */
00059 #define CTRL_POWER            5    /* Get/Set power status */
00060 #define CTRL_LOCK            6    /* Lock/Unlock media removal */
00061 #define CTRL_EJECT            7    /* Eject media */
00062 #define CTRL_FORMAT            8    /* Create physical format on the media */
00063 
00064 /* MMC/SDC specific ioctl command */
00065 #define MMC_GET_TYPE        10    /* Get card type */
00066 #define MMC_GET_CSD            11    /* Get CSD */
00067 #define MMC_GET_CID            12    /* Get CID */
00068 #define MMC_GET_OCR            13    /* Get OCR */
00069 #define MMC_GET_SDSTAT        14    /* Get SD status */
00070 
00071 /* ATA/CF specific ioctl command */
00072 #define ATA_GET_REV            20    /* Get F/W revision */
00073 #define ATA_GET_MODEL        21    /* Get model name */
00074 #define ATA_GET_SN            22    /* Get serial number */
00075 
00076 #ifdef __cplusplus
00077 }
00078 #endif
00079 
00080 #endif
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