Re: GPIO lines on RPi4

My approach:
* build your grc chart from GNU Radio Companion and generate the .py file
* edit the py file and import pygpio
* play with the RPi4 GPIO in your python script.

See attached script, with a python server included in the Python script
to control an RF switch from a GNU Octave TCP/IP client talking to the Python
TCP/IP server.

I am presenting this approach to hardware control at
http://jmfriedt.free.fr/sdra_radar.pdf

JM

--
JM Friedt, FEMTO-ST Time & Frequency/SENSeOR, 26 rue de l'Epitaphe,
25000 Besancon, France

June 18, 2020 9:40 PM, "Da Fy" <diver863uk@gmail.com> wrote:

> Hi All, does anyone have an example of how to control GOIO lines on the RPi4 from within a GRC
> flowgraph. I'm guessing it's an OOT module.
>
> I need to generate a signal of a few 100Hz & control GPIO lines at various points though the cycle.
>
> Alternatively, I could generate the signal & lines with external hardware & read them with
> GnuRadio.
>
> Tnx, Dave