diff options
Diffstat (limited to 'fatfs/src/diskio.h')
| -rw-r--r-- | fatfs/src/diskio.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/fatfs/src/diskio.h b/fatfs/src/diskio.h index 3c2b09d..9650f68 100644 --- a/fatfs/src/diskio.h +++ b/fatfs/src/diskio.h @@ -1,5 +1,5 @@ /*-----------------------------------------------------------------------/
-/ Low level disk interface modlue include file (C)ChaN, 2013 /
+/ Low level disk interface modlue include file (C)ChaN, 2014 /
/-----------------------------------------------------------------------*/
#ifndef _DISKIO_DEFINED
@@ -48,14 +48,14 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff); /* Command code for disk_ioctrl fucntion */
-/* Generic command (used by 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 (not used by FatFs) */
+/* 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 */
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