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diskio.h
00001 /*-----------------------------------------------------------------------/ 00002 / Low level disk interface modlue include file (C)ChaN, 2014 / 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 fucntion */ 00050 00051 /* Generic command (Used by FatFs) */ 00052 #define CTRL_SYNC 0 /* Complete pending write process (needed at _FS_READONLY == 0) */ 00053 #define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */ 00054 #define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */ 00055 #define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */ 00056 #define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */ 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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