On Jun 26, 10:49*pm, Gabor <ga...@alacron.com> wrote:
> Has anyone else here used the "Universal File Writer" to merge
> bitstreams?
>
> I have a project that loads two ECP2 devices from one SPI flash, so I
> need
> to create the merged file. *The problem is that the UFW GUI has no
> option
> to save my settings, so each time I change either project I need to re-
> browse
> to my bitstreams, and output file, as well as change all the required
> settings (bitstream output type, CCLK frequency, etc.). *Needless to
> say this is a bit of a pain, and it could become more so if someone
> else
> ever needs to update the project (including me if it is long enough
> from now that I don't remember all the settings).
>
> So my thought was to look up how to run the UFW from the command
> line and make a batch file. *The problem is that my command line
> causes the UFW to crash (an error has occurred, do you want to
> tell Microsoft about it, etc.). *Here's my command line:
>
> <tools_path>\ispUFW.exe -if "<fpga1>.bit" "<fpga2>.bit" -oft -merge -
> of "<merged>.mcs" -format intel -frequency 34 -merge_format
> intelligent
>
> Filenames have been changed to protect the innocent
>
> When I attempt to run it I get a log file before the crash, but it
> only seems
> to get as far as loading the first bitstream, or perhaps only reading
> the
> command line parameters:
>
> * * * * * * * * * * * * Lattice Semiconductor Corporation
> * * * * * * * * * * * * Universal File Writer V2.44
>
> Tue Jun 23 08:48:11 2009 *Generating Bitstream.....
> Tue Jun 23 08:48:11 2009 *Reading Input File: <fpga1>.bit
> Tue Jun 23 08:48:11 2009 *Merge Format: Intelligent
>
> I'm using ispLever 7.0
>
> I tried using complete paths and relative paths to the files with no
> change in the outcome
>
> Any help would be appreciated.
>
> Regards,
> Gabor

write your own merge tool, its less time than troubleshooting vendor
tools that crash

Antti