Merge tag 'fatfs-0.10c'

[z180-stamp.git] / fatfs / src / diskio.h

diff --git a/fatfs/src/diskio.h b/fatfs/src/diskio.h
index 3c2b09d1afef6787b09036813fe24c6772783389..9650f683fe82b2be98ab04ba96f693cc0be9c60b 100644 (file)
--- a/fatfs/src/diskio.h
+++ b/fatfs/src/diskio.h
@@ -1,5 +1,5 @@
 /*-----------------------------------------------------------------------/\r
-/  Low level disk interface modlue include file   (C)ChaN, 2013          /\r
+/  Low level disk interface modlue include file   (C)ChaN, 2014          /\r
 /-----------------------------------------------------------------------*/\r
 \r
 #ifndef _DISKIO_DEFINED\r
@@ -48,14 +48,14 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
 \r
 /* Command code for disk_ioctrl fucntion */\r
 \r
-/* Generic command (used by FatFs) */\r
-#define CTRL_SYNC                      0       /* Flush disk cache (for write functions) */\r
-#define GET_SECTOR_COUNT       1       /* Get media size (for only f_mkfs()) */\r
-#define GET_SECTOR_SIZE                2       /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */\r
-#define GET_BLOCK_SIZE         3       /* Get erase block size (for only f_mkfs()) */\r
-#define CTRL_ERASE_SECTOR      4       /* Force erased a block of sectors (for only _USE_ERASE) */\r
+/* Generic command (Used by FatFs) */\r
+#define CTRL_SYNC                      0       /* Complete pending write process (needed at _FS_READONLY == 0) */\r
+#define GET_SECTOR_COUNT       1       /* Get media size (needed at _USE_MKFS == 1) */\r
+#define GET_SECTOR_SIZE                2       /* Get sector size (needed at _MAX_SS != _MIN_SS) */\r
+#define GET_BLOCK_SIZE         3       /* Get erase block size (needed at _USE_MKFS == 1) */\r
+#define CTRL_TRIM                      4       /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */\r
 \r
-/* Generic command (not used by FatFs) */\r
+/* Generic command (Not used by FatFs) */\r
 #define CTRL_POWER                     5       /* Get/Set power status */\r
 #define CTRL_LOCK                      6       /* Lock/Unlock media removal */\r
 #define CTRL_EJECT                     7       /* Eject media */\r