I'm working on the same thing, so yes this would be super useful.

Does Ettus Research have any update on that GitHub issue #666?

Here's the link again:
https://github.com/EttusResearch/uhd/issues/666


Sincerely,
Alex-M-Humberstone
PhD Student
Klipsch School of Electrical Engineering
New Mexico State University (NMSU)
Las Cruces, New Mexico, 88003
alex.m.humberst...@gmail.com
https://ece.nmsu.edu/



On Mon, 3 Feb 2025 at 02:15, Philipp Niedermayer <p.niederma...@gsi.de>
wrote:

> Hi,
>
> this is currently not possible without changing the UHD core manually
> and re-routing those GPIO lines in the Verilog core code. Some years ago
> I opened a feature request, it contains some hints on what others tried
> and what would be required. Unfortunately, I never got an answer.
>
> Would be wonderful if you could support that by voting on the issue and
> express your interest there. Or if you manage to get it working, share
> your solution with a PR.
>
> Here is the link: https://github.com/EttusResearch/uhd/issues/666
>
> Best regards
> Philipp
>
>
> Am 3.2.25 um 9:00 schrieb meni.d...@sabra-microsystems.com:
> >
> > Hello,
> >
> > I need to establish direct routing between the USRP X410's front panel
> > GPIO pins and custom RFNoC blocks.
> >
> > Specifically, I want to read the GPIO signals directly into my RFNoC
> > block.
> >
> > Does anyone have experience implementing such direct GPIO-to-RFNoC
> > connection on the X410?
> >
> > Any examples or technical documentation would be helpful.
> >
> > Thanks
> >
> >
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