diff options
Diffstat (limited to 'fs/fat/diskio.h')
-rw-r--r-- | fs/fat/diskio.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/fs/fat/diskio.h b/fs/fat/diskio.h new file mode 100644 index 0000000000..f0d29dc390 --- /dev/null +++ b/fs/fat/diskio.h @@ -0,0 +1,78 @@ +/*----------------------------------------------------------------------- +/ Low level disk interface modlue include file +/-----------------------------------------------------------------------*/ + +#ifndef _DISKIO + +#define _READONLY 0 /* 1: Remove write functions */ +#define _USE_IOCTL 1 /* 1: Use disk_ioctl fucntion */ + +#include "integer.h" + + +/* Status of Disk Functions */ +typedef BYTE DSTATUS; + +/* Results of Disk Functions */ +typedef enum { + RES_OK = 0, /* 0: Successful */ + RES_ERROR, /* 1: R/W Error */ + RES_WRPRT, /* 2: Write Protected */ + RES_NOTRDY, /* 3: Not Ready */ + RES_PARERR /* 4: Invalid Parameter */ +} DRESULT; + + +/*---------------------------------------*/ +/* Prototypes for disk control functions */ + +int assign_drives (int, int); +DSTATUS disk_initialize (FATFS *fatfs); +DSTATUS disk_status (FATFS *fatfs); +DRESULT disk_read (FATFS *fatfs, BYTE*, DWORD, BYTE); +#if _READONLY == 0 +DRESULT disk_write (FATFS *fatfs, const BYTE*, DWORD, BYTE); +#endif +DRESULT disk_ioctl (FATFS *fatfs, BYTE, void*); + + + +/* Disk Status Bits (DSTATUS) */ + +#define STA_NOINIT 0x01 /* Drive not initialized */ +#define STA_NODISK 0x02 /* No medium in the drive */ +#define STA_PROTECT 0x04 /* Write protected */ + + +/* Command code for disk_ioctrl fucntion */ + +/* Generic command (defined for FatFs) */ +#define CTRL_SYNC 0 /* Flush disk cache (for write functions) */ +#define GET_SECTOR_COUNT 1 /* Get media size (for only f_mkfs()) */ +#define GET_SECTOR_SIZE 2 /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */ +#define GET_BLOCK_SIZE 3 /* Get erase block size (for only f_mkfs()) */ +#define CTRL_ERASE_SECTOR 4 /* Force erased a block of sectors (for only _USE_ERASE) */ + +/* Generic command */ +#define CTRL_POWER 5 /* Get/Set power status */ +#define CTRL_LOCK 6 /* Lock/Unlock media removal */ +#define CTRL_EJECT 7 /* Eject media */ + +/* MMC/SDC specific ioctl command */ +#define MMC_GET_TYPE 10 /* Get card type */ +#define MMC_GET_CSD 11 /* Get CSD */ +#define MMC_GET_CID 12 /* Get CID */ +#define MMC_GET_OCR 13 /* Get OCR */ +#define MMC_GET_SDSTAT 14 /* Get SD status */ + +/* ATA/CF specific ioctl command */ +#define ATA_GET_REV 20 /* Get F/W revision */ +#define ATA_GET_MODEL 21 /* Get model name */ +#define ATA_GET_SN 22 /* Get serial number */ + +/* NAND specific ioctl command */ +#define NAND_FORMAT 30 /* Create physical format */ + + +#define _DISKIO +#endif |