/*-----------------------------------------------------------------------
/  PFF - Low level disk interface modlue include file    (C)ChaN, 2014
/-----------------------------------------------------------------------*/

#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED

#ifdef __cplusplus
extern "C" {
#endif

#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 */

DSTATUS ramdisk_initialize (void);
DSTATUS ramdisk_get_status (void);
DRESULT ramdisk_readp (BYTE* buff, DWORD sector, UINT offset, UINT count);
DRESULT ramdisk_writep (const BYTE* buff, DWORD sc);

#define STA_NOINIT		0x01	/* Drive not initialized */
#define STA_NODISK		0x02	/* No medium in the drive */
#define STA_PROTECT		0x04	/* Write protected */

/* 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) */

/* MMC/SDC specific command (Not used by FatFs) */
#define MMC_GET_TYPE		50	/* Get card type */
#define MMC_GET_CSD			51	/* Get CSD */
#define MMC_GET_CID			52	/* Get CID */
#define MMC_GET_OCR			53	/* Get OCR */
#define MMC_GET_SDSTAT		54	/* Get SD status */

/* MMC card type flags (MMC_GET_TYPE) */
#define CT_MMC		0x01		/* MMC ver 3 */
#define CT_SD1		0x02		/* SD ver 1 */
#define CT_SD2		0x04		/* SD ver 2 */
#define CT_SDC		(CT_SD1|CT_SD2)	/* SD */
#define CT_BLOCK	0x08		/* Block addressing */

#ifdef __cplusplus
}
#endif

#endif	/* _DISKIO_DEFINED */