This is version 1.2.2-SP1 release of the Vinculum II Firmware. Comprising of the Vinculum Device Drivers and C Runtime Libraries and VNC1L compatible firmware sample code.
 
 
 
 
Revision Information 
==================== 
 
Installer: 1.2.2-SP1 (8191)
 
  
Drivers Readme
--------------

Fixed Issues:
- FAT Driver fat_freeSpace() reported to be several clusters larger than was actually free.
- FAT Driver fat_freeSpace() query will return FAT_PENDING if no free space scan has been performed and the call to had FAT_FREESPACE_NO_SCAN as a parameter.
- FAT Driver fat_fileSeek() and fat_fileSetPos() would not progress beyond the first cluster of a file when using a disk with 32kB cluster size.
- FAT Driver file read skipped cluster when file position landed exactly on cluster boundary.
- FirmwareUpdate for FAT file system driver added. See Application Note AN159 for details.
- USB Slave disconnect detection and recovery in self powered mode. See Application Note AN163.
- USB Slave added support for isochronous endpoint.
- SDCard Driver for accessing a FAT File system on SD cards added. See Application Note AN155.
- ADC Driver added to support MCP30008 device.
- USBHost Driver issue resolved with enumerating multiple devices behind downstream hub.

Restrictions:
- FAT library will not support ATAPI disks.
- FAT library does not support FAT12 format disks. Please use FAT16 or FAT32 format.

Known bugs:
- N/A

Features requests:
- N/A
 
 
Revision Information 
==================== 
 
Installer: 1.2.2-SP1 (8191)
 
  
Runtime Libraries Readme
------------------------

Fixed Issues:
- Corrected bug with corrupted return data in feof() and ftell().

Restrictions:
- N/A

Known bugs:
- N/A

Features requests:
- N/A
VNC1L Firmware Readme
---------------------

Release Notes V1.2.2-SP1

Fixed Issues:
- SPI Mode is set to VNC1L compatible by default.
- Support USBSlave disconnect as per AN 158.
- ECS mode change would also set monitor to IPH mode.
- REN command to check that source files exists and target file doesn't.
- Incorrect output in IDD and IDDE command.
- Data mode reads from endpoints with a maximum size of less than 64 bytes would group reads into 64 byte packets.

Restrictions:
- When using with a V2EVAL board always REMOVE jumper JP9.
- On V2EVAL board mode select jumper MODE-0 does not pull pin 46 low. Contact FTDI support for hardware modifications required.
- Firmware update from flash disk not supported.
- V2DAP CDC driver not implemented therefore data-mode use of CDC devices not supported.
- ATAPI flash disks are not supported. SCSI flash disks with a sector size of 512 bytes are supported.
- Upgrade firmware from Flash disk function is not available.
- LEDs do not flash during enumeration.
- DRD command will block for a minimum of 2ms or until data is received from a device. On VNC1L a "Command Failed" error was returned if the device responded with a NAK, on VNC2 the transaction will be retried.

Known bugs:
- N/A

Features requests:
- N/A

 
 
Firmware Update (AN 159) Readme
-------------------------------

Release Notes V1.2.2-SP1

First release to be used with Application Note 159. See document named "AN_159 Vinculum-II Firmware Programming".

Fixed Issues:
- N/A

Restrictions:
- Fragemented ROM files not supported. Do "CHKDSK <filename>" from command line to check.

Known bugs:
- N/A

Features requests:
- N/A