[PD] RPI4 GPIO

[Patko nytkophilus]

Latency might be problematic with realtime processes and in my case this is
not for realtime. You might be interested into realtime kernel used in
patchbox os for rpi. I've got jack+pd- nogui running with 2ms buffer and no
xrun.

Le jeu. 24 nov. 2022, 18:38, Sebastian Lexer <s.lexer at incalcando.com> a
écrit :

> Hello,
>
> are you not getting unreliable latency due to the local network
> connection between your gpios and pd processes and triggers?
> When I used this method previously, timings between gpio reading and pd
> receiving the udp packages varied between 5 to 15ms.
>
>
>
> Patco wrote on 24/11/2022 15:51:
> > Hello,
> >   My actual favorite method to read/write GPIO ports is about using a
> python script outside PureData and manage communication between the python
> script and PureData with UDP socket. This way there is no limitation on
> PureData side about how to handle GPIO, and this way makes possible
> management through other softwares or from another computer. It’s very easy
> and stable, and there are many examples about how to use sockets with
> python.
> >
> >> Le 24 nov. 2022 à 13:46, Simon Iten <itensimon at gmail.com> a écrit :
> >>
> >> What is the *current* prefered method to read GPIO pins from within PD
> on a raspberry pi 4?
> >>
> >>
> >>
> >>
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