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

#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED

#ifdef __cplusplus
extern "C" {
#endif

#define _USE_WRITE 1 /* 1: Enable disk_write function */
#define _USE_IOCTL 1 /* 1: Enable disk_ioctl fucntion */

#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 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);


/* 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 */

#ifdef __cplusplus
}
#endif

#endif
