Matthew Else
FATFileSystem fork with fixes
Fork of
FATFileSystem
by 
mbed official
Diff: ChaN/diskio.h
- Revision:
- 5:b3b3370574cf
- Parent:
- 1:46ce1e16c870
- Child:
- 6:a5fcdbf92056
--- a/ChaN/diskio.h Thu Aug 28 13:15:31 2014 +0100
+++ b/ChaN/diskio.h Thu Aug 13 10:15:39 2015 +0100
@@ -1,76 +1,81 @@
-//-----------------------------------------------------------------------
-// Low level disk interface modlue include file
-//-----------------------------------------------------------------------
+/*-----------------------------------------------------------------------/
+/ Low level disk interface modlue include file (C)ChaN, 2014 /
+/-----------------------------------------------------------------------*/
+
+#ifndef _DISKIO_DEFINED
+#define _DISKIO_DEFINED
-#ifndef _DISKIO
+#ifdef __cplusplus
+extern "C" {
+#endif
-#define _READONLY 0 // 1: Remove write functions
-#define _USE_IOCTL 1 // 1: Use disk_ioctl fucntion
+#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;
+/* Status of Disk Functions */
+typedef BYTE DSTATUS;
-// Results of Disk Functions
+/* 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
+ 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
-
-int assign_drives (int, int);
-DSTATUS disk_initialize (BYTE);
-DSTATUS disk_status (BYTE);
-DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
-#if _READONLY == 0
-DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
-#endif
-DRESULT disk_ioctl (BYTE, BYTE, void*);
+/*---------------------------------------*/
+/* 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
+
+/* 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
+/* Command code for disk_ioctrl fucntion */
-// Generic command (defined for FatFs)
-#define CTRL_SYNC 0 // Flush disk cache (for write functions)
-#define GET_SECTOR_COUNT 1 // Get media size (for only f_mkfs())
-#define GET_SECTOR_SIZE 2 // Get sector size (for multiple sector size (_MAX_SS >= 1024))
-#define GET_BLOCK_SIZE 3 // Get erase block size (for only f_mkfs())
-#define CTRL_ERASE_SECTOR 4 // Force erased a block of sectors (for only _USE_ERASE)
+/* 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
-#define CTRL_POWER 5 // Get/Set power status
-#define CTRL_LOCK 6 // Lock/Unlock media removal
-#define CTRL_EJECT 7 // Eject media
+/* 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
+/* 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
+/* 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 */
-// NAND specific ioctl command
-#define NAND_FORMAT 30 // Create physical format
+#ifdef __cplusplus
+}
+#endif
+#endif
-#define _DISKIO
-#endif