[PD] How to talk to the Raspberry 4 GPIO and a multiple object question ?

[Ingo]

Thanks, Joseph!

An additional Arduino is too large for this one.

I just need to turn on 2 LEDs during startup and everything needs to fit into 
this case:
https://www.berrybase.de/en/new/argon-nanosound-one-case-f-252-r-raspberry-pi-4?c=2389


> -----Original Message-----
> From: Pd-list [mailto:pd-list-bounces at lists.iem.at] On Behalf Of Joseph
> Larralde
> Sent: Wednesday, September 22, 2021 2:51 PM
> To: pd-list at lists.iem.at
> Subject: Re: [PD] How to talk to the Raspberry 4 GPIO and a multiple object
> question ?
>
> Hi Ingo,
>
> What I do for a project of mine is using an arduino connected to the rx tx 
> pins
> of the Pi (rx tx voltages must be adapted, though) Then [comport] allows me
> to get both cards to talk together.
> It's on a Pi Zero so I don't know for other versions, but I also had to 
> disable
> the serial console in raspbian lite's config file because it was causing 
> glitches
> in the serial communication.
> Now it's working fine with a 115200 baudrate.
> Hope this helps, I can provide a few more details about this method if
> necessary.
>
> Joseph Larralde
> --
> freelance developer
> www.josephlarralde.fr
>
> Le 22/09/2021   12:00, pd-list-request at lists.iem.at a  crit :
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> >     1. How to talk to the Raspberry 4 GPIO and a multiple object
> >        question ? (Ingo)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 21 Sep 2021 17:53:46 +0200
> > From: "Ingo" <ingo at miamiwave.com>
> > To: <pd-list at lists.iem.at>
> > Subject: [PD] How to talk to the Raspberry 4 GPIO and a multiple
> > 	object question ?
> > Message-ID: <000001d7af00$dc90b1d0$95b21570$@miamiwave.com>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Now that I got most of my software running on the Pi - with much more
> > performance than I expected - I need to be able talk to the GPIO of
> > the RPi 4.
> >
> >
> >
> > First of all a big thanks again for everybodys help me with the libraries 
> > !
> > ! !
> >
> >
> >
> > I know there had been some changes a while ago with the RPi GPIO when
> > some way to interfacing with Pd dumped.
> >
> > I'm not sure what it was anymore - so, how can I connect from Pd atm?
> >
> > All I need to be able to do for now is turning on a few LEDs.
> >
> >
> >
> > Does [comport] recognize the GPIO of the RPi 4?
> >
> >
> >
> > BTW, the libraries are mostly working but I happen to have some
> > trouble with [speedlim] being in 3 different libraries.
> >
> > It's in Cyclone (which I had been using before and is working fine)
> > and also in maxlib and iemlib.
> >
> > The latter gives me sometimes trouble but I don't know how I can get
> > rid of single objects in "iemlib".
> >
> > (Sometimes it outputs a float instead of a list. I have already [t
> > list] in front of it.)
> >
> >
> >
> > Is it possible or will I have to prepend "cyclone" every time?
> >
> >
> >
> > Or is there another way to make sure that the cyclone object will be
> > used first instead of the iemlib object?
> >
> > The libraries are currently loaded in alphabetic order in the 
> > ".pdsettings".
> >
> >
> >
> > Thanks
> >
> > Ingo
> >
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