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Old 04-28-2006, 11:50 PM
Stephen Williams
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Default Re: Working Altera USB-Blaster compatible design published underGPL

Antti wrote:
> the answer is almost always: Yes/No
>
> all the in-system-programming and JTAG stuff is not as much standard as
> it could be.
>
> there have been many attempts to develop vendor neutral or at least
> multi-vendor technologies but all attempts have failed so far.
>
> its seems that big boys have big issues playing it nicely in a (common)
> sandbox, so almost all vendors have some 'special' things making the
> 'generic' things not fully useable.
>
> xilinx has XSVF a binary version of SVF, some Xilinx parts can not be
> programmed with standard SVF,
> lattice has SVF-Plus
> altera has its own flavors of JAM/STAPL
> actel has its own flavors of STAPL
>
> if you think a SVF player is a SVF player is a SVF player, then no it
> isnt,
> same for JAM/STAPL


So the issue is not whether one count send a properly formatted
SVF file stream through a generic player and get a PROM/FPGA to
become programmed, but that one can't easily get that SVF string
in the first place.

Bear with me, I really don't know. I just have in front of me a
printout of "Serial Vector Format Specification" and some wishful
thinking.

--
Steve Williams "The woods are lovely, dark and deep.
steve at icarus.com But I have promises to keep,
http://www.icarus.com and lines to code before I sleep,
http://www.picturel.com And lines to code before I sleep."
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