|From:||Marcus D. Leech|
|Subject:||Re: [Discuss-gnuradio] question about uhd fpga source|
|Date:||Wed, 14 Sep 2011 21:37:17 -0400|
|User-agent:||Mozilla/5.0 (X11; U; Linux i686; en-US; rv:22.214.171.124) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10|
On 14/09/11 09:31 PM, Page Jack wrote:
Why no one have the answer or have the same question?99.9% of the people on this list have no experience building the firmware or making
modifications to it, they just use the as-supplied firmware.
The way the fpga code is setup, it's intended to be built with "make" rather than the vendors
IDE, so it doesn't surprise me that you get topology-related errors. But that's as much as I know.
I've never built it myself.
Also, the way FPGA "routers" work, there's a certain amount of Monte-Carlo decision making
done in the way paths are laid out. So two different "runs" with exactly the same codebase
can yield different (but functionally identical) FPGA binaries. The same thing happens with
PCB routers--press the "route" button, it will be very often route the same circuit/physical placement
with different lines.
-- Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org
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