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ReleaseNotes_FAT.txt
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ReleaseNotes_FAT.txt
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*****************************************************************
FAT Release Notes
*****************************************************************
*****************************************************************
VERSION 2.15
NEW FEATURES
- Added SD support for Rabbit 3000 based cores.
- Added new core modules (RCM3309, RCM3319, RCM3900 & RCM3910)
OTHER FUNCTIONAL CHANGES
- Added automatic setting of SSPEC_MAX_FATDEVS within fat_config, it
is no longer necessary to set SSPEC_MAX_FATDEVS when using zserver
BUG FIXES
- Defect #25305 fixed. Samples updpages.c & filesystem.c sets SSPEC_MAX_FATDEVS
incorrectly ssi2_fat.c. See 21914 fix.
- Defect #25303 fixed. Sample updpages.c doesn't allow access to secondary FAT
devices. See 21914 fix.
- Defect #25073 fixed. Check in fat_FormatPartiton incorrectly identifies SD
driver as NAND driver.
- Defect #25050 fixed. Sample integration_fat_setup.c fails when serial flash
partitioned for RAU DLM.
- Defect #21914 fixed. Added automatic setting of SSPEC_MAX_FATDEVS within
fat_config which fixes zserver mount issue on
dual FAT device cores.
*****************************************************************
*****************************************************************
VERSION 2.14
NEW FEATURES
- Fixed SD and XD card Hot Swap support.
OTHER FUNCTIONAL CHANGES
BUG FIXES
- Defect #81684 fixed. Intermittent Fat initialization failure in
ssi2_fat.c
- Defect #81712 fixed. FAT XD card Hot Swap errors with changing cards. It is
recommended you shut the system down to change to a
different card. Hot removal and re-insertion of the
same card currently works.
- Defect #23643 fixed. Formatting issue was fixed in 2.13, a count of free
space issue was still possible, which has been fixed.
*****************************************************************
*****************************************************************
VERSION 2.13
NEW FEATURES
- Added SD card support.
- Added fat_Write_MBR sample to create multiple partitions.
- Added support for RCM4020, RCM4300 and RCM4310 core modules.
OTHER FUNCTIONAL CHANGES
- Sample fmt_device.c was changed to allow individual partition
formatting and erasure of devices that contain no FAT12/16
partitions before creating single partition for all space.
BUG FIXES
- Defect #20202 fixed. Type mismatch if USE_FAR_LIB_API is defined when
running FAT_shell.c
- Defect #20941 fixed. Command "mount" failed to remount a FAT partition
when running filesystem.c
- Defect #23004 fixed. Problem formatting partitions B-D in fat_shell.c
- Defect #23143 fixed. Fmt_device.c returns code -5 when formatting a device
- Defect #23487 fixed. fat_AutoMount call in fat_nb_costate.c is not in
a -EBUSY loop.
- Defect #23503 fixed. fat_ucos and fat_write_mbr do not handle 'no media'
condition properly.
- Defect #23863 fixed. format in non-blocking
- Defect #23471 fixed. fat_Automount returns -22 error in non-blocking mode.
- Defect #23550 fixed. Multiple forward fat_seek calls may give wrong position.
- Defect #23636 fixed. Problem in formating of multiple partitions.
- Defect #23643 fixed. Problem formating in non-blocking mode.
- Defect #23648 fixed. fat_CreateFile can corrupt filestate in non-blocking
mode.
- Defect #23797 fixed. UCOS fails with multiple partitions
- Defect #23864 fixed. Problem formating multiple partitions in non-blocking
mode.
*****************************************************************
*****************************************************************
VERSION 2.12
NEW FEATURES
- Added PC compatible support for FAT 12 partitions.
- Added support for DC10.xx compiler system.
- Added support for RCM4000 and RCM4200 core modules.
OTHER FUNCTIONAL CHANGES
BUG FIXES
- Defect #1 (DC9.50) fixed. Divide by zero caused by underlying
serial flash initialization bug. Added error checking to
FAT_shell.c sample.
- Defect #25 (DC9.50) fixed. Divide by zero caused by underlying
serial flash initialization bug. Added error checking to
FAT_shell.c sample.
- Defect #29 (DC9.50) fixed. Serial flash initialization bug
caused by recent addition of ipreg setting/storage to the
sf_enable and sf_disable routines. This addition caused
corruption of the SP reg within these routines. Added a local
variable to save ipreg in and SP adjustment to correct issue.
- Defect #81503 fixed. Corrected FAT 12/16 cluster calculations
to correct problem with certain partition sizes being assigned
FAT 16 status when they should have been FAT 12. Added check
to allow existing partitions that had this issue to continue
to be accessed as FAT 16 until they are re-formatted.
- Defect #81594 fixed. Corrected file pointer calculation within
fat_seek function.
- Defect #81637 fixed. Corrected auto struct problem.
- Defect #81654 fixed. Same as Defect #29 above.
- Defect #81691 fixed. Changed 2nd device recognition in samples
- Defect #81694 fixed. Corrected recognition problem of new or
newly formatted Nflash or xD card within fat_automount.
- Defect #81713 fixed. Corrected definition errors and warnings.
- Defect #20202 fixed. Added far string usage detection and implicit
near string function calls if detected.
*****************************************************************
*****************************************************************
VERSION 2.11
NEW FEATURES
- Added support for RCM3305 and RCM3315.
OTHER FUNCTIONAL CHANGES
BUG FIXES
- Defect #81467 fixed. NFLASH_FAT.LIB's nf_XD_Detect function now
always updates the correct IBxCR register shadow."
- Defect #81489 fixed. Cache layer caused errant writes to the
storage device whenever a marker header (used with directory
entries) was released. This caused writes to occur during
read operations in several frequently occuring situations.
*****************************************************************
*****************************************************************
VERSION 2.10
NEW FEATURES
- Added support for BL2600 variants equipped with nand flash.
- Added support for RCM3365 and RCM3375 with hotswap-safe
hardware.
- Added unique volume labeling for xD cards and other changes to
allow hot-swapping using fat_autoMount().
- Addded transparent mutex function wrappers to allow more than
one uC/OS-II task to do FAT operations. This includes a new
API function fat_InitUCOSMutex().
- Added new API function nf_XD_Detect() to detect xD card
presence.
- Added samples to demonstrate hot-swapping and FAT - uC/OS-II
usage.
OTHER FUNCTIONAL CHANGES
- PC_COMPATIBLE mode is now enabled by default for RCM3370A.
BUG FIXES (Library)
- Defect #81408 fixed. FAT can now access RCM3370's socketed xD
card nand flash.
- Defect #81409 fixed. The fat_UnmountDevice function won't hang
if an incomplete device structure is passed into it.
*****************************************************************
*****************************************************************
VERSION 2.06
NEW FEATURES
- Added support for PowerCoreFLEX boards equipped with data
flash.
- Added fat_UnmountDevice function for more complete device
disconnect from the Write-Thru cache.
- Updated sample programs to use fat_AutoMount and
fat_UnmountDevice.
- New samples available in Samples.zip or included with Dynamic
C 9.20
BUG FIXES (Library)
- Defect #81365 fixed. Compile bug in fat_PartitionDevice.
- Defect #81366 fixed. GLOBAL INIT's in fat_AutoMount can cause
compile error.
- Defect #81367 fixed. Max Bad Cluster count reported on serial
flash devices.
- Defect #81368 fixed. Device level bad clusters on NAND flash
not being handled correctly. NAND flash now sets count of bad
clusters found.
- Defect #81369 fixed. Driver level read problem with NAND flash
when busy waiting on flash write/erase cycle. Caused invalid
sectors in read cache, especially if using multiple devices.
- Defect #81370 fixed. Driver level write problem with NAND
flash when busy waiting on flash write/erase cycle. Caused
sectors to not always be written to the NAND flash when
flushed from the write-thru cache. Was more frequent when
using multiple devices.
- Defect #81374 fixed. PART.LIB - Unexpected interrupt while
running fat_shell.c "format 0" in fast RAM compile mode, or
system nak on exit afterward.
OTHER FUNCTIONAL CHANGES
*****************************************************************
*****************************************************************
VERSION 2.05
NEW FEATURES
- Driver for use with RCM3360/70 boards equipped with nand
flash.
*****************************************************************
*****************************************************************
VERSION 2.01
******************** IMPORTANT!!! ********************
As of the FAT module version 2.01 release, the FAT module is
only compatible with Dynamic C versions 9.01 and greater.
Versions of Dynamic C earlier than 9.01 will not be able to be
used with this module.
If you have questions about module compatibility, please
contact technical support for assistance:
(530) 757.3737
Fax: 530.753.5141
E-mail: zworld@zworld.com
******************************************************
NEW FEATURES
- Added fat_AutoMount function for enhanced board specific
initialization.
BUG FIXES (Library)
- Defect #81292 fixed. Split with 1 cluster free at the same
time the directory expands creates file in wrong place and
does not expand subdirectory properly.
- Defect #81293 fixed. Size of preallocation limited to 32767
clusters and incorrectly wraps and gives wrong results on
requests above this amount.
- Defect #81294 fixed. Split followed by write and then reset
loses length on new file.
- Defect #81295 fixed. Exceeding the remaining space on the
device sometimes gives errant -22 code.
- Defect #81296 fixed. FAT file system write through cache IDs
don't distinguish between multiple devices correctly.
OTHER FUNCTIONAL CHANGES
*****************************************************************
*****************************************************************
VERSION 1.02
NEW FEATURES
- Full power-loss recovery on all operations with battery
back-up.
BUG FIXES (Library)
- Deleting/truncating a file can leave an unlinked chain in FAT
table if power is lost during the operation. Clusters cannot
be recovered for use without reformatting the partition.
- Truncating a file to small sizes (less than one cluster) can
corrupt the file size.
- fat_Split not truncating original file, it is cross-linked
with new file.
- Cluster pointer not wrapping correctly when end of device is
reached, can lock system. Corrupts chain being allocated.
- fat_FormatPartition is overlapping the two FAT tables. Entries
for clusters 0 & 1 in the second table are written to the end
of the first table, locking out 2 clusters.
- Free space in partition structure not calculated or maintained
correctly.
- Full file system + write or append to file yields bad state.
From there on you can't delete files or directories.
- Allocation problem with FAT 12 can cause an extra cluster to
be allocated when not requested. Occurs when FAT table entry
spans two sectors.
BUG FIXES (Samples)
- fat_NonBlk.c creates non-existent errors when executed, not
handling one of the return codes correctly.
- fat_Shell.c rd command not working properly if file contains
null characters.
OTHER FUNCTIONAL CHANGES
*****************************************************************
*****************************************************************
VERSION 1.01
NEW FEATURES
OTHER FUNCTIONAL CHANGES
*****************************************************************