Re: GNU Radio Companion N310 GPIO Sink/Source block

[Marcus D. Leech]

On 2022-06-28 19:56, U L wrote:

Joshua,

Generally Fabien is right. To exercise the full feature set of the GPIO you would likely need an OOT block. However, if only limited performance and features are needed then you might get away with using the Python embedded block or Python snippet in GRC to implement something quick and easy. This was the route I took to control an external TX/RX switch. I imagine any low-rate control would be feasible.

Jared.

    Since the GPIOs are not really designed for high-speed I/O, then a
    Python block would be more than capable of "keeping up".

On Tue, Jun 28, 2022 at 5:06 PM Fabien PELLET <fpellet.f4ctz@free.fr> wrote:

Hi Joshua,

I'm also using GPIO on LFTX and LFRX on a N210 and I can tell you that you will not find source or sink that deal with that IO as far as I know.

The only way to use them is to write an OOT that uses the UHD methods.

Best regards,
Fabien, F4CTZ

---- White, Joshua J a écrit ----

(Cross-posted on usrp-users and discuss-gnuradio)

For anyone who's familiar with using the USRP3 (specifically the N310) with GNU Radio:

I'm trying to create a flowgraph in gnu radio companion that incorporates reading a value from one pin on the front panel GPIO of the N310 and writing a value to another pin. I'm looking for a source/sink block for GNU Radio companion that can accomplish this. Has anyone done this previously, or can anyone point me in the right direction? I have very little experience with GNU Radio and have no expertise in programming OOT modules. Thank you for any help you can provide.

 

Very respectfully, 

 

Joshua White 

Precision Timing Systems Engineer 

Engineering & Support Solutions Directorate 

www.riversideresearch.org 

T: 937.986.3153 | F: 937.431.3811 

 

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