[dfs_v1][elmfat] Update to clean elm-fatfs R0.16 patch1

Co-authored-by: BernardXiong <[email protected]>

Author: Copilot

components/dfs/dfs_v1/filesystems/elmfat/00history.txt

@@ -367,3 +367,23 @@ R0.15 (November 6, 2022)
   Fixed string functions cannot write the unicode characters not in BMP when FF_LFN_UNICODE == 2 (UTF-8).
   Fixed a compatibility issue in identification of GPT header.
 
+
+
+R0.15a (November 22, 2024)
+  Fixed a complie error when FF_FS_LOCK != 0.
+  Fixed a potential issue when work FatFs concurrency with FF_FS_REENTRANT, FF_VOLUMES >= 2 and FF_FS_LOCK > 0.
+  Made f_setlabel() accept a volume label in Unix style volume ID when FF_STR_VOLUME_ID == 2.
+  Made FatFs update PercInUse field in exFAT VBR. (A preceding f_getfree() is needed for the accuracy)
+
+
+
+R0.15b (June 21, 2025)
+  Added support for timestamp of created time. (FF_FS_CRTIME)
+  Fixed FatFs fails to load the FsInfo in FAT32 volumes and the f_getfree always be forced a full FAT scan which takes a long time. (appeared at R0.15a)
+
+
+
+R0.16 (July 22, 2025)
+  Removed a long-pending limitation that f_getcwd and double-dot .. in the path name did not work on the exFAT volume.
+  Fixed f_readdir cannot detect end of directory and it leads the application process into infinite loop. (appeared at R0.15b)
+  Fixed dot names with terminating separator or duplicated separator are rejected when LFN is not enabled.

components/dfs/dfs_v1/filesystems/elmfat/00readme.txt

@@ -1,4 +1,4 @@
-FatFs Module Source Files R0.15
+FatFs Module Source Files R0.16
 
 
 FILES

components/dfs/dfs_v1/filesystems/elmfat/diskio.h

@@ -1,5 +1,5 @@
 /*-----------------------------------------------------------------------/
-/  Low level disk interface modlue include file   (C)ChaN, 2019          /
+/  Low level disk interface modlue include file   (C)ChaN, 2025          /
 /-----------------------------------------------------------------------*/
 
 #ifndef _DISKIO_DEFINED
@@ -55,7 +55,7 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
 #define CTRL_EJECT			7	/* Eject media */
 #define CTRL_FORMAT			8	/* Create physical format on the media */
 
-/* MMC/SDC specific ioctl command */
+/* MMC/SDC specific ioctl command (Not used by FatFs) */
 #define MMC_GET_TYPE		10	/* Get card type */
 #define MMC_GET_CSD			11	/* Get CSD */
 #define MMC_GET_CID			12	/* Get CID */
@@ -65,7 +65,7 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
 #define ISDIO_WRITE			56	/* Write data to SD iSDIO register */
 #define ISDIO_MRITE			57	/* Masked write data to SD iSDIO register */
 
-/* ATA/CF specific ioctl command */
+/* ATA/CF specific ioctl command (Not used by FatFs) */
 #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 */