moyuhai
111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/*!
|
|
* \file diskio.h
|
|
*
|
|
* \brief Target disk I/O implementation
|
|
*
|
|
* \copyright Revised BSD License, see section \ref LICENSE.
|
|
*
|
|
* \code
|
|
*
|
|
* _ __ _ ________ _
|
|
* | |/ /(_)___ / ____/ /_ (_)___
|
|
* | // / __ \/ / / __ \/ / __ \
|
|
* / |/ / / / / /___/ / / / / /_/ /
|
|
* /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
|
|
* /_/
|
|
* (C) 2022-2025 XinChip
|
|
*
|
|
* \endcode
|
|
*
|
|
* \author ( XinChip ) Alex-J
|
|
*
|
|
* \author ( XinChip )
|
|
*/
|
|
|
|
/* Define to prevent recursive inclusion -------------------------------------*/
|
|
#ifndef _DISKIO_DEFINED
|
|
#define _DISKIO_DEFINED
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*-----------------------------------------------------------------------------------
|
|
INCLUDE HEADE FILES
|
|
------------------------------------------------------------------------------------*/
|
|
#include "integer.h"
|
|
|
|
/*------------------------------------------------------------------------------------
|
|
Macros
|
|
-------------------------------------------
|
|
-----------------------------------------*/
|
|
#define _USE_WRITE 1 /* 1: Enable disk_write function */
|
|
#define _USE_IOCTL 1 /* 1: Enable disk_ioctl function */
|
|
|
|
/* 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 (Used by FatFs) */
|
|
#define CTRL_SYNC \
|
|
0 /* Complete pending write process (needed at _FS_READONLY == 0) */
|
|
#define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */
|
|
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */
|
|
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */
|
|
#define CTRL_TRIM \
|
|
4 /* Inform device that the data on the block of sectors is no longer used \
|
|
(needed at _USE_TRIM == 1) */
|
|
|
|
/* Generic command (Not used by FatFs) */
|
|
#define CTRL_POWER 5 /* Get/Set power status */
|
|
#define CTRL_LOCK 6 /* Lock/Unlock media removal */
|
|
#define CTRL_EJECT 7 /* Eject media */
|
|
#define CTRL_FORMAT 8 /* Create physical format on the 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 */
|
|
|
|
/*------------------------------------------------------------------------------------
|
|
Typedef
|
|
------------------------------------------------------------------------------------*/
|
|
/* 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;
|
|
|
|
/*------------------------------------------------------------------------------------
|
|
Exported Functions
|
|
-------------------------------------------------------------------------------------*/
|
|
DSTATUS disk_initialize(BYTE pdrv);
|
|
DSTATUS disk_status(BYTE pdrv);
|
|
DRESULT disk_read(BYTE pdrv, BYTE *buff, DWORD sector, UINT count);
|
|
DRESULT disk_write(BYTE pdrv, const BYTE *buff, DWORD sector, UINT count);
|
|
DRESULT disk_ioctl(BYTE pdrv, BYTE cmd, void *buff);
|
|
DWORD get_fattime(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|