On 14/08/2024 03:52, Brajesh wrote:
That's great.
If possible, request your time for interactive session. This request
is to understand codebase (
https://github.com/EttusResearch/fpga/commit/78eab419fdcdc18f4da8fd33f267af6c4d0494f6
) and get starting point to start for data rate modifications.
You should go through the official support channels--the e-mail you got
from "supp...@ettus.com" will have given you a URL.
But unless you've purchased a higher-level support package, you aren't
going to get an engineer to sit down with you and
tell you where to put modified code, and how that code is best
structured, etc.
Every new purchase includes a "initial bringup" level of support, which
absolutely DOES NOT include detailed hand-holding
through modifying the FPGA code.
Even if you *could* get that level of support, I would *NOT* be the
person doing it. I didn't write that FPGA code, and I'm
not primarily an FPGA developer.
I'm not sure what you're looking for apart from what you've
already found, and I've already pointed you to. The FPGA source-code
is freely available. There are documents that describe the
work-flow for making custom mods to the N2xx FPGA images.
The FPGA "architecture" is common between (obsolete) USRP2 and
N2xx hardware. The follow-on architecture is referred
to in the FPGA codebase as "usrp3", but that's just the naming
of the FPGA architecture.
Like I have said previously, there is no "structured walk-through"
document that describes, in a high-level way, the architecture
of the FPGA codebase. The codebase is the document. The same is
basically true for the host-side UHD library. The architecture
changes often-enough that by the time a "structured
walk-through" document could be considered "complete", the
architecture
underneath it, at least the details, would have changed. Such
is the nature of an evolving code-base.
Now, for the "usrp2" FPGA architecture, THAT codebase has been
relatively static for many years. But a goodly chunk of it
was written by people who have long-since departed the company.
Occasional maintenance is done on it, but for the
most part, it has been the same for many years. Again, though,
the codebase IS the documentation.
Thanks again for shared details.
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