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SDCFile/diskio.h

@@ -0,0 +1,133 @@
+/*-----------------------------------------------------------------------
+/  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