1 /*-----------------------------------------------------------------------/ 2 / Low level disk interface modlue include file (C)ChaN, 2014 / 3 /-----------------------------------------------------------------------*/ 4 5 #ifndef _DISKIO_DEFINED 6 #define _DISKIO_DEFINED 7 8 #ifdef __cplusplus 9 extern "C" { 10 #endif 11 12 /* Status of Disk Functions */ 13 typedef BYTE DSTATUS; 14 15 /* Results of Disk Functions */ 16 typedef enum { 17 RES_OK = 0, /* 0: Successful */ 18 RES_ERROR, /* 1: R/W Error */ 19 RES_WRPRT, /* 2: Write Protected */ 20 RES_NOTRDY, /* 3: Not Ready */ 21 RES_PARERR /* 4: Invalid Parameter */ 22 } DRESULT; 23 24 25 /*---------------------------------------*/ 26 /* Prototypes for disk control functions */ 27 28 29 DSTATUS disk_initialize (BYTE pdrv); 30 DSTATUS disk_status (BYTE pdrv); 31 DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count); 32 DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count); 33 DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff); 34 35 36 /* Disk Status Bits (DSTATUS) */ 37 38 #define STA_NOINIT 0x01 /* Drive not initialized */ 39 #define STA_NODISK 0x02 /* No medium in the drive */ 40 #define STA_PROTECT 0x04 /* Write protected */ 41 42 43 /* Command code for disk_ioctrl fucntion */ 44 45 /* Generic command (Used by FatFs) */ 46 #define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */ 47 #define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */ 48 #define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */ 49 #define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */ 50 #define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */ 51 52 /* Generic command (Not used by FatFs) */ 53 #define CTRL_POWER 5 /* Get/Set power status */ 54 #define CTRL_LOCK 6 /* Lock/Unlock media removal */ 55 #define CTRL_EJECT 7 /* Eject media */ 56 #define CTRL_FORMAT 8 /* Create physical format on the media */ 57 58 /* MMC/SDC specific ioctl command */ 59 #define MMC_GET_TYPE 10 /* Get card type */ 60 #define MMC_GET_CSD 11 /* Get CSD */ 61 #define MMC_GET_CID 12 /* Get CID */ 62 #define MMC_GET_OCR 13 /* Get OCR */ 63 #define MMC_GET_SDSTAT 14 /* Get SD status */ 64 #define ISDIO_READ 55 /* Read data form SD iSDIO register */ 65 #define ISDIO_WRITE 56 /* Write data to SD iSDIO register */ 66 #define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */ 67 68 /* ATA/CF specific ioctl command */ 69 #define ATA_GET_REV 20 /* Get F/W revision */ 70 #define ATA_GET_MODEL 21 /* Get model name */ 71 #define ATA_GET_SN 22 /* Get serial number */ 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif 78
