/*----------------------------------------------------------------------- / Low level disk interface modlue include file (C)ChaN, 2010 /-----------------------------------------------------------------------*/ #ifndef _DISKIO #define _READONLY 0 /* 1: Remove write functions */ #define _USE_IOCTL 1 /* 1: Use disk_ioctl fucntion */ #include #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; /** * struct diskinfo0_t - disk info data structure for page 0 * @validbytes : Number of valid bytes in this struct * @maxpage : Highest diskinfo page supported * @disktype : type of the disk (DISK_TYPE_* values) * @sectorsize : sector size divided by 256 * @sectorcount: number of sectors on the disk * * This is the struct returned in the data buffer when disk_getinfo * is called with page=0. */ typedef struct { uint8_t validbytes; uint8_t maxpage; uint8_t disktype; uint8_t sectorsize; /* divided by 256 */ uint32_t sectorcount; /* 2 TB should be enough... (512 byte sectors) */ } diskinfo0_t; /*---------------------------------------*/ /* Prototypes for disk control functions */ int assign_drives ( int, int ); DSTATUS disk_initialize ( BYTE ); DSTATUS disk_status ( BYTE ); DRESULT disk_read ( BYTE, BYTE *, DWORD, BYTE ); #if _READONLY == 0 DRESULT disk_write ( BYTE, const BYTE *, DWORD, BYTE ); #endif DRESULT disk_ioctl ( BYTE, BYTE, void * ); void disk_init( void ); /* Will be set to DISK_ERROR if any access on the card fails */ enum diskstates { DISK_CHANGED = 0, DISK_REMOVED, DISK_OK, DISK_ERROR }; extern int sd_offload, ff_sd_offload, sd_offload_tgt, newcard; extern int sd_offload_partial; extern uint16_t sd_offload_partial_start; extern uint16_t sd_offload_partial_end; extern volatile enum diskstates disk_state; /* Disk type - part of the external API except for ATA2! */ #define DISK_TYPE_ATA 0 #define DISK_TYPE_ATA2 1 #define DISK_TYPE_SD 2 #define DISK_TYPE_DF 3 #define DISK_TYPE_NONE 7 /* 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