Version	Description
V8.0.0	removed CORE component variants changed source config files to headers removed support for legacy Arm Compiler 5 removed support for CMSIS-RTOS version 1 removed support for legacy fdelete function fixed allocation table write access (regression) when using FAT12 fixed FAT volume label character checking corrected ffind error code for FAT on repeated search without wildcard
V6.16.6	using Event Recorder component from CMSIS-View pack (instead of deprecated ARM_Compiler pack) using File Interface API from CMSIS-Compiler pack (instead of deprecated ARM_Compiler pack) added File Interface implementation (CMSIS-Compiler:File Interface:MDK-MW File System) updated FS_Config.c configuration file (clean-up) fixed buffer alignment passed to MCI driver when using fsDevCtrlCodeLockUnlock control code fixed FAT journaling interference with Android OS
V6.15.3	enforced push-pull CMD bus mode for SD cards in native bus mode prevent CMSIS-Driver Flash ProgramData call with cnt equal to zero removed unnecessary value display from component view
V6.15.0	libraries built with Arm Compiler 6
V6.14.4	enhance memory card error handling after failure to switch to high speed mode fixed regression in EFS when Flash driver ProgramData returns with zero
V6.14.1	added health status (S.M.A.R.T.) access support for industrial grade eMMC and SD devices (see Device Specific Features) enhanced error handling and return status propagation in EFS corrected bug in ftime_set which could cause long file name entry overwrite corrected bug in FAT name cache which could cause a cache miss situation when switching directories using fchdir
V6.13.8	corrected bug in fwrite for EFS which could cause a write error in multithreaded environment corrected bug in fdelete for EFS which could cause that file could not be deleted
V6.13.6	corrected bug in FAT name cache which could cause a cache miss situation on file entry scan corrected bug in FAT name cache which could cause a long file name entry overwrite corrected bug in fchdir for FAT which prevented chdir into single character folder corrected bug in fwrite for EFS which could cause invalid file allocation order corrected bug in fseek for EFS which caused invalid setting of the file position pointer minor optimizations and fixes in fdefrag (EFS only)
V6.13.0	added ftime_set and ftime_get functions used to manage the file or directory timestamps added status codes fsAlreadyExists and fsNotDirectory that allow more control when using fmkdir, frmdir and fchdir added function fversion used to retrieve the version of the FileSystem component enhanced error reporting for FileSystem functions used by the Standard I/O Routines (use errno to retrieve last error code) corrected bug in frmdir when using option /S and name cache which could cause a file to become inaccessible after rename operation
V6.12.0	added second instance of the RAM drive (drive R1) corrected bug in FAT file name compare for names with equal root and 13 characters in length (LFN) corrected bug in FAT cluster handling when deleting file which could cause false out of space error corrected bug in fmedia which could cause non-initialized pointer access when using uninitialized drive
V6.11.0	added debug configuration for debugging with Event Recorder
V6.10.1	minor change in Flash driver timeout handling (EFS)
V6.10.0	added support for NAND on-chip ECC (EZ NAND) SPI slave select pin reconfigured as unused in CMSIS SPI driver when using fs_mc_spi_control_ss callback function limited minimum path buffer length in fpwd to target file system maximum path length enhanced debug messaging for Event Recorder corrected bug in EFS defragmenter which could cause write access to undefined area corrected bug in NFTL which could cause file system inconsistency due to the ECC error corrected bug in FAT file name compare for names containing multiple of 13 characters (LFN) corrected compilation errors when using CMSIS RTOS compatibility module corrected FAT file handle display in debug view
V6.9.8	added bus frequency adaptation algorithm for memory cards using SPI bus corrected bug in EFS triggered by multiple file append or small file create operation. corrected error reporting in ferror when removable FAT drive was removed during read operation corrected file access bug in FAT which could be triggered when an empty file was created within a subfolder enhancements in debug messaging for Event Recorder
V6.9.4	enhanced finit and funinit robustness corrected finfo parameter checking and behavior when drive is unmounted. corrected newname parameter specification checking for FAT drives in frename function corrected FAT label specification checking in fformat function corrected ffind returning invalid results when using *xxx pattern corrected bug in FAT name cache which could be triggered when drive was empty
V6.9.0	added debug events enhanced eMMC initialization process robustness corrected ffree execution status return value corrected FAT file write on attempt to write beyond 4GB corrected mutex release issue in ffind which could resulted in wait for mutex lockup corrected FAT second timestamping in [32-59] seconds range corrected bug in FAT name cache which could be triggered at file delete
V6.8.0	added debug capabilities added uniform flash sector support on Embedded File System corrected setting of archive bit when modifying file in FAT file system enhanced FAT-32 mount speed for a fresh formatted removable media devices enhanced compatibility with ARM Compiler 6
V6.7.0	enhanced fmedia functionality when using memory cards without card detection switch corrected bug in fchdir function when using ".." string to change current directory to root corrected bug in Embedded File System when reading from unaligned flash addresses enabled I/O Control Interface Routines on RAM drive corrected issue in fdefrag function which caused invalid data write corrected initialization process for certain 2GB eMMC devices
V6.6.0	added support for memory card lock/unlock command (CMD42), please see fs_ioc_device_ctrl for control codes and Device Specific Features for description of password management operations. enhanced handling of Memory Cards when in SPI mode corrected initialization process for SD cards in SPI mode corrected end of file condition check in fread for files sized near 4GB corrected initialization issues in fdefrag function corrected write protect status handling corrected fsDevCtrlCodeControlMedia handling on NAND drives
V6.5.0	corrected issues on RAM drive, when storage memory is below 8MB corrected MCI bus clock handling: bus clock is disabled when bus communication is idle corrected reserved area clearing when formatting FAT file system enhanced error handling for MCI memory devices increased Memory Card Transfer Timeouts
V6.4.0	corrected fpwd memory overwrite bug corrected fmount issue when switching between I/O Control Interface and Standard I/O Routines corrected funinit procedure to power off the peripheral driver before uninitializing it
V6.3.0	retarget system updated: "ARM Compiler" pack is now required to handle File System retargeting "Compiler I/O: File (File System)" software component must be enabled fixed reliability issues in multithreaded environment added support for NAND Sequence operation corrected fflush() for FAT drives added support for eMMC Sleep State (CMD5), please see fs_ioc_device_ctrl for control codes added fsUnsupported return code, which designates unsupported operations and features added fs_mc_spi_control_ss callback function reduced number of write accesses when closing a file on FAT file system added support for auto switch of SD card to high speed mode using CMD6 added fsDevCtrlCodeControlMedia device control code corrected drive prefix handling in fchdir, fmkdir and frmdir functions corrected fpwd bug for FAT32 which caused fpwd return status fsFileNotFound corrected fchdir status code when current directory set to root directory corrected fwrite and fclose behavior on Embedded File System when disk full corrected fdelete and frename to return with fsAccessDenied if specified file is not closed
V6.2.0	added support for MMCA System Specification V4.1 and higher (eMMC) current drive and current directory support added, see fchdrive, fchdir and fpwd functions added fmkdir and frmdir functions fdelete function API and behavior changed to common concept: function is now only able to delete files (does not delete directories, use frmdir instead) additional parameter "options" was added define MW_FILESYSTEM_FDELETE_LEGACY in the project to use the old function API and behavior configuration files changed: "FAT Name Cache Size" option renamed to "Filename Cache Size" and moved from core configuration file to FAT drive configuration files "Initial Current Drive" option added to core configuration file "Default Drive" option removed from drive configuration files corrected FAT mount problem on large removable devices (>8GB) with 2k allocation unit size write performance improved for SD cards in native mode corrected fs_lock/fs_unlock locking mechanism enhanced drive initialization and mount procedures enhanced error reporting and added more restrictive parameter checking
V6.1.0	corrected multithread file write issue on Embedded File System which caused corruption of the file system corrected fseek function when seeking beyond file size (FAT File System) corrected frename function issue when using FAT name cache: after rename it was still possible to open the file using its old name. corrected timestamp handling when file size is unchanged after write access (FAT File System)
V6.0.0	adapted to CMSIS-Driver V2 interface added fs_mc_read_cd and fs_mc_read_wp callback functions deprecated support for OneNAND
V5.1.4	FAT filename processing bug fixes
V5.1	added fmount, funmount, fmedia and finfo functions
V5.0	Initial release for MDK-ARM Version 5.