Emilia Marino / SDFileSystem

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FATFileSystem/ChaN/diskio.h@0:5f7b02d095c2, 2021-12-18 (annotated)

Committer:
emiliamarino
Date:
Sat Dec 18 20:17:31 2021 +0000
Revision:
0:5f7b02d095c2
Assignment 4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emiliamarino 0:5f7b02d095c2 1 /*-----------------------------------------------------------------------/
emiliamarino 0:5f7b02d095c2 2 / Low level disk interface modlue include file (C)ChaN, 2014 /
emiliamarino 0:5f7b02d095c2 3 /-----------------------------------------------------------------------*/
emiliamarino 0:5f7b02d095c2 4
emiliamarino 0:5f7b02d095c2 5 #ifndef _DISKIO_DEFINED
emiliamarino 0:5f7b02d095c2 6 #define _DISKIO_DEFINED
emiliamarino 0:5f7b02d095c2 7
emiliamarino 0:5f7b02d095c2 8 #ifdef __cplusplus
emiliamarino 0:5f7b02d095c2 9 extern "C" {
emiliamarino 0:5f7b02d095c2 10 #endif
emiliamarino 0:5f7b02d095c2 11
emiliamarino 0:5f7b02d095c2 12 #define _USE_WRITE 1 /* 1: Enable disk_write function */
emiliamarino 0:5f7b02d095c2 13 #define _USE_IOCTL 1 /* 1: Enable disk_ioctl fucntion */
emiliamarino 0:5f7b02d095c2 14
emiliamarino 0:5f7b02d095c2 15 #include "integer.h"
emiliamarino 0:5f7b02d095c2 16
emiliamarino 0:5f7b02d095c2 17
emiliamarino 0:5f7b02d095c2 18 /* Status of Disk Functions */
emiliamarino 0:5f7b02d095c2 19 typedef BYTE DSTATUS;
emiliamarino 0:5f7b02d095c2 20
emiliamarino 0:5f7b02d095c2 21 /* Results of Disk Functions */
emiliamarino 0:5f7b02d095c2 22 typedef enum {
emiliamarino 0:5f7b02d095c2 23 RES_OK = 0, /* 0: Successful */
emiliamarino 0:5f7b02d095c2 24 RES_ERROR, /* 1: R/W Error */
emiliamarino 0:5f7b02d095c2 25 RES_WRPRT, /* 2: Write Protected */
emiliamarino 0:5f7b02d095c2 26 RES_NOTRDY, /* 3: Not Ready */
emiliamarino 0:5f7b02d095c2 27 RES_PARERR /* 4: Invalid Parameter */
emiliamarino 0:5f7b02d095c2 28 } DRESULT;
emiliamarino 0:5f7b02d095c2 29
emiliamarino 0:5f7b02d095c2 30
emiliamarino 0:5f7b02d095c2 31 /*---------------------------------------*/
emiliamarino 0:5f7b02d095c2 32 /* Prototypes for disk control functions */
emiliamarino 0:5f7b02d095c2 33
emiliamarino 0:5f7b02d095c2 34
emiliamarino 0:5f7b02d095c2 35 DSTATUS disk_initialize (BYTE pdrv);
emiliamarino 0:5f7b02d095c2 36 DSTATUS disk_status (BYTE pdrv);
emiliamarino 0:5f7b02d095c2 37 DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
emiliamarino 0:5f7b02d095c2 38 DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
emiliamarino 0:5f7b02d095c2 39 DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
emiliamarino 0:5f7b02d095c2 40
emiliamarino 0:5f7b02d095c2 41
emiliamarino 0:5f7b02d095c2 42 /* Disk Status Bits (DSTATUS) */
emiliamarino 0:5f7b02d095c2 43
emiliamarino 0:5f7b02d095c2 44 #define STA_NOINIT 0x01 /* Drive not initialized */
emiliamarino 0:5f7b02d095c2 45 #define STA_NODISK 0x02 /* No medium in the drive */
emiliamarino 0:5f7b02d095c2 46 #define STA_PROTECT 0x04 /* Write protected */
emiliamarino 0:5f7b02d095c2 47
emiliamarino 0:5f7b02d095c2 48
emiliamarino 0:5f7b02d095c2 49 /* Command code for disk_ioctrl fucntion */
emiliamarino 0:5f7b02d095c2 50
emiliamarino 0:5f7b02d095c2 51 /* Generic command (Used by FatFs) */
emiliamarino 0:5f7b02d095c2 52 #define CTRL_SYNC 0 /* Complete pending write process (needed at _FS_READONLY == 0) */
emiliamarino 0:5f7b02d095c2 53 #define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */
emiliamarino 0:5f7b02d095c2 54 #define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */
emiliamarino 0:5f7b02d095c2 55 #define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */
emiliamarino 0:5f7b02d095c2 56 #define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */
emiliamarino 0:5f7b02d095c2 57
emiliamarino 0:5f7b02d095c2 58 /* Generic command (Not used by FatFs) */
emiliamarino 0:5f7b02d095c2 59 #define CTRL_POWER 5 /* Get/Set power status */
emiliamarino 0:5f7b02d095c2 60 #define CTRL_LOCK 6 /* Lock/Unlock media removal */
emiliamarino 0:5f7b02d095c2 61 #define CTRL_EJECT 7 /* Eject media */
emiliamarino 0:5f7b02d095c2 62 #define CTRL_FORMAT 8 /* Create physical format on the media */
emiliamarino 0:5f7b02d095c2 63
emiliamarino 0:5f7b02d095c2 64 /* MMC/SDC specific ioctl command */
emiliamarino 0:5f7b02d095c2 65 #define MMC_GET_TYPE 10 /* Get card type */
emiliamarino 0:5f7b02d095c2 66 #define MMC_GET_CSD 11 /* Get CSD */
emiliamarino 0:5f7b02d095c2 67 #define MMC_GET_CID 12 /* Get CID */
emiliamarino 0:5f7b02d095c2 68 #define MMC_GET_OCR 13 /* Get OCR */
emiliamarino 0:5f7b02d095c2 69 #define MMC_GET_SDSTAT 14 /* Get SD status */
emiliamarino 0:5f7b02d095c2 70
emiliamarino 0:5f7b02d095c2 71 /* ATA/CF specific ioctl command */
emiliamarino 0:5f7b02d095c2 72 #define ATA_GET_REV 20 /* Get F/W revision */
emiliamarino 0:5f7b02d095c2 73 #define ATA_GET_MODEL 21 /* Get model name */
emiliamarino 0:5f7b02d095c2 74 #define ATA_GET_SN 22 /* Get serial number */
emiliamarino 0:5f7b02d095c2 75
emiliamarino 0:5f7b02d095c2 76 #ifdef __cplusplus
emiliamarino 0:5f7b02d095c2 77 }
emiliamarino 0:5f7b02d095c2 78 #endif
emiliamarino 0:5f7b02d095c2 79
emiliamarino 0:5f7b02d095c2 80 #endif