/*-----------------------------------------------------------------------
/  Low level disk interface modlue include file   (C)ChaN, 2014
/-----------------------------------------------------------------------*/
// converted to TM4C123, converted to MSPM0
// Jonathan Valvano, December 27, 2025
#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 */
/*---------------------------------------*/


/*-----------------------------------------------------------------------*/
/* Initialize disk drive                                                 */
/*-----------------------------------------------------------------------*/
// Inputs:  Physical drive number, which must be 0
// Outputs: status (see DSTATUS)
DSTATUS disk_initialize(BYTE drv);

/*-----------------------------------------------------------------------*/
/* Get disk status                                                       */
/*-----------------------------------------------------------------------*/
// Inputs:  Physical drive number, which must be 0
// Outputs: status (see DSTATUS)
DSTATUS disk_status(BYTE drv);

/*-----------------------------------------------------------------------*/
/* Read sector(s)                                                        */
/*-----------------------------------------------------------------------*/
//Inputs:  drv    Physical drive number (0)
//         buff   Pointer to the data buffer to store read data
//         sector Start sector number (LBA)
//         count  Number of sectors to read (1..128)
// Outputs: status (see DRESULT)
DRESULT disk_read(BYTE drv, BYTE *buff, DWORD sector, UINT count);

/*-----------------------------------------------------------------------*/
/* Write sector(s)                                                       */
/*-----------------------------------------------------------------------*/

#if _USE_WRITE
//Inputs:  drv    Physical drive number (0)
//         buff   Pointer to the data buffer to write to disk
//         sector Start sector number (LBA)
//         count  Number of sectors to write (1..128)
// Outputs: status (see DRESULT)
DRESULT disk_write(BYTE drv, const BYTE *buff, DWORD sector, UINT count);
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous drive controls other than data read/write               */
/*-----------------------------------------------------------------------*/
// Inputs:  drv,   Physical drive number (0)
//          cmd,   Control command code
//          buff   Pointer to the control data
// Outputs: status (see DRESULT)
#if _USE_IOCTL
DRESULT disk_ioctl(BYTE drv, BYTE cmd, void *buff);
#endif


/* 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_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 */


#ifdef __cplusplus
}
#endif

#endif