mayhem-firmware/firmware/chibios-portapack/ext/fatfs/doc/updates.txt

R0.10c, Nov 09, 2014
  Added a configuration option for the platforms without RTC. (_FS_NORTC)
  Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel().
  Fixed a potential problem of FAT access that can appear on disk error.
  Fixed null pointer dereference on attempting to delete the root direcotry.

R0.10b, May 19, 2014
  Fixed a hard error in the disk I/O layer can collapse the directory entry.
  Fixed LFN entry is not deleted on delete/rename an object with its lossy converted SFN.

R0.10a, Jan 15, 2014
  Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
  Added an option for minimum sector size. (_MIN_SS)
  2nd argument of f_rename() can have a drive number and it will be ignored.
  Fixed f_mount() with forced mount fails when drive number is larger than 0.
  Fixed f_close() invalidates the file object without volume lock.
  Fixed volume lock is left acquired after return from f_closedir().
  Fixed creation of a directory entry with LFN fails on too many SFN collisions.

R0.10, Oct 02, 2013
  Added an option for character encoding on the file. (_STRF_ENCODE)
  Added f_closedir().
  Added forced full FAT scan option for f_getfree(). (_FS_NOFSINFO)
  Added forced mount feature with changes of f_mount().
  Improved behavior of volume auto detection.
  Improved write throughput of f_puts() and f_printf().
  Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
  Fixed f_write() can be truncated when the file size is close to 4GB.
  Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect result code on error.

R0.09b, Jan 24, 2013
  Added f_getlabel() and f_setlabel(). (_USE_LABEL = 1)

R0.09a, Aug 27, 2012
  Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
  Changed file functions reject null object pointer to avoid crash.
  Changed option name _FS_SHARE to _FS_LOCK.

R0.09, Sep 06, 2011
  f_mkfs() supports multiple partition to complete the multiple partition feature.
  Added f_fdisk(). (_MULTI_PARTITION = 2)

R0.08b, Jan 15, 2011
  Fast seek feature is also applied to f_read() and f_write().
  f_lseek() reports required table size on creating CLMP.
  Extended format syntax of f_printf().
  Ignores duplicated directory separators in given path names.

R0.08a, Aug 16, 2010
  Added f_getcwd(). (_FS_RPATH = 2)
  Added sector erase feature. (_USE_ERASE)
  Moved file lock semaphore table from fs object to the bss.
  Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
  Fixed f_mkfs() creates wrong FAT32 volume.

R0.08, May 15, 2010
  Added a memory configuration option. (_USE_LFN)
  Added file lock feature. (_FS_SHARE)
  Added fast seek feature. (_USE_FASTSEEK)
  Changed some types on the API, XCHAR->TCHAR.
  Changed fname member in the FILINFO structure on Unicode cfg.
  String functions support UTF-8 encoding files on Unicode cfg.

R0.07e, Nov 3, 2009
  Separated out configuration options from ff.h to ffconf.h.
  Added a configuration option, _LFN_UNICODE.
  Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
  Fixed name matching error on the 13 char boundary.
  Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.

R0.07c, Jun 21, 2009
  Fixed f_unlink() may return FR_OK on error.
  Fixed wrong cache control in f_lseek().
  Added relative path feature.
  Added f_chdir().
  Added f_chdrive().
  Added proper case conversion to extended characters.

R0.07a, Apr 14, 2009
  Separated out OS dependent code on re-entrant configuration.
  Added multiple sector size support.

R0.07, Apr 01, 2009
  Merged Tiny-FatFs into FatFs as a buffer configuration option.
  Added long file name support.
  Added multiple code page support.
  Added re-entrancy for multitask operation.
  Added auto cluster size selection to f_mkfs().
  Added rewind option to f_readdir().
  Changed result code of critical errors.
  Renamed string functions to avoid name collision.

R0.06, Apr 01, 2008
  Added f_forward. (Tiny-FatFs)
  Added string functions: fgets, fputc, fputs and fprintf.
  Improved performance of f_lseek on moving to the same or following cluster.

R0.05a, Feb 03, 2008
  Added f_truncate.
  Added f_utime.
  Fixed off by one error at FAT sub-type determination.
  Fixed btr in f_read can be mistruncated.
  Fixed cached sector is left not flushed when create and close without write.

R0.05, Aug 26, 2007
  Changed arguments of f_read, f_write.
  Changed arguments of f_mkfs. (FatFs)
  Fixed f_mkfs on FAT32 creates incorrect FSInfo. (FatFs)
  Fixed f_mkdir on FAT32 creates incorrect directory. (FatFs)

R0.04b, May 05, 2007
  Added _USE_NTFLAG option.
  Added FSInfo support.
  Fixed some problems corresponds to FAT32. (Tiny-FatFs)
  Fixed DBCS name can result FR_INVALID_NAME.
  Fixed short seek (<= csize) collapses the file object.

R0.04a, Apr 01, 2007
  Supported multiple partitions on a plysical drive. (FatFs)
  Added minimization level 3.
  Added a capability of extending file size to f_lseek.
  Fixed an endian sensitive code in f_mkfs. (FatFs)
  Fixed a problem corresponds to FAT32 support. (Tiny-FatFs)

R0.04, Feb 04, 2007
  Supported multiple drive system. (FatFs)
  Changed some APIs for multiple drive system.
  Added f_mkfs. (FatFs)
  Added _USE_FAT32 option. (Tiny-FatFs)

R0.03a, Dec 11, 2006
  Improved cluster scan algolithm to write files fast.
  Fixed f_mkdir creates incorrect directory on FAT32.

R0.03, Sep 22, 2006
  Added f_rename.
  Changed option _FS_MINIMUM to _FS_MINIMIZE.

R0.02a, Jun 10, 2006
  Added a configuration option _FS_MINIMUM.

R0.02, Jun 01, 2006
  Added FAT12.
  Removed unbuffered mode.
  Fixed a problem on small (<32M) patition.

R0.01, Apr 29, 2006
  First release

R0.00, Feb 26, 2006
  Prototype (not released)