eDisk.h

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/*-----------------------------------------------------------------------
/  Low level disk interface modlue include file  R0.04a   (C)ChaN, 2007
/-----------------------------------------------------------------------
 * Modified by Jonathan Valvano to simplify usage in Lab 4
 
 */
#ifndef _DISKIO
 
#define _USE_WRITE  1   
#define _USE_IOCTL  1   
 
typedef signed int      INT;
typedef unsigned int    UINT;
 
/* These types are assumed as 8-bit integer */
typedef signed char     CHAR;
typedef unsigned char   UCHAR;
typedef unsigned char   BYTE;
 
/* These types are assumed as 16-bit integer */
typedef signed short    SHORT;
typedef unsigned short  USHORT;
typedef unsigned short  WORD;
 
/* These types are assumed as 32-bit integer */
typedef signed long     LONG;
typedef unsigned long   ULONG;
typedef unsigned long   DWORD;
 
 
typedef enum { FALSE = 0, TRUE } BOOL;
 
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 eDisk_Init(BYTE drive);
 
DSTATUS eDisk_Status (BYTE drive);
 
 
 
DRESULT eDisk_Read (
  BYTE drv,     // Physical drive number (0)
  BYTE *buff,   // Pointer to buffer to read data
  DWORD sector, // Start sector number (LBA)
  UINT count);  // Sector count (1..255)
 
DRESULT eDisk_ReadBlock (
    BYTE *buff,         /* Pointer to the data buffer to store read data */
    DWORD sector);      /* Start sector number (LBA) */
 
#if _READONLY == 0
 
 
DRESULT eDisk_Write (
  BYTE drv,         // Physical drive number (0)
  const BYTE *buff, // Pointer to the data to be written
  DWORD sector,     // Start sector number (LBA)
  UINT count);      // Sector count (1..255)
 
 
DRESULT eDisk_WriteBlock (
    const BYTE *buff,   /* Pointer to the data to be written */
    DWORD sector);      /* Start sector number (LBA) */
 
 
#endif
void CS_Init(void);      
 
void disk_timerproc(void);
    
DRESULT disk_ioctl (BYTE drv, BYTE cmd, void *buff);
 
 
#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_FORMAT         5   /* Create physical format on the media */
#define CTRL_POWER_IDLE     6   /* Put the device idle state */
#define CTRL_POWER_OFF      7   /* Put the device off state */
#define CTRL_LOCK           8   /* Lock media removal */
#define CTRL_UNLOCK         9   /* Unlock media removal */
#define CTRL_EJECT          10  /* Eject media */
 
/* 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 */
 
/* ATA/CF specific command (Not used by FatFs) */
#define ATA_GET_REV         60  /* Get F/W revision */
#define ATA_GET_MODEL       61  /* Get model name */
#define ATA_GET_SN          62  /* Get serial number */
 
/* 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 */
 
 
#define _DISKIO
#endif