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From: | Marcus D. Leech |
Subject: | Re: GPIO lines on RPi4 |
Date: | Thu, 18 Jun 2020 17:17:41 -0400 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 06/18/2020 03:54 PM, jean-michel.friedt@femto-st.fr wrote:
If you use "Python Module" block, you can write a lot of non-GnuRadio-esque python, import anything you want, etc, etc. No editingMy 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
of the output python required, necessarily.
-- 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
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