> Today's Topics: > > 1. Re: How to talk to the Raspberry 4 GPIO and a multiple object > question ? (Ingo) > 2. How to use a DAC expansion board with the RPi4 (Ingo) > 3. Re: How to use a DAC expansion board with the RPi4 (Peter P.) > 4. Re: How to use a DAC expansion board with the RPi4 (Ingo) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 23 Sep 2021 13:47:55 +0200 > From: "Ingo" <[email protected]> > To: <[email protected]>, <[email protected]> > Subject: Re: [PD] How to talk to the Raspberry 4 GPIO and a multiple > object question ? > Message-ID: <[email protected]> > > 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:[email protected]] On Behalf Of Joseph >> Larralde >> Sent: Wednesday, September 22, 2021 2:51 PM >> To: [email protected] >> 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, [email protected] a crit : >>> Send Pd-list mailing list submissions to >>> [email protected] >>> >>> To subscribe or unsubscribe via the World Wide Web, visit >>> https://lists.puredata.info/listinfo/pd-list >>> or, via email, send a message with subject or body 'help' to >>> [email protected] >>> >>> You can reach the person managing the list at >>> [email protected] >>> >>> When replying, please edit your Subject line so it is more specific >>> than "Re: Contents of Pd-list digest..." >>> >>> >>> Today's Topics: >>> >>> 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" <[email protected]> >>> To: <[email protected]> >>> Subject: [PD] How to talk to the Raspberry 4 GPIO and a multiple >>> object question ? >>> Message-ID: <[email protected]> >>> 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 >>> >>> -------------- next part -------------- An HTML attachment was >>> scrubbed... >>> URL: >>> <http://lists.puredata.info/pipermail/pd-list/attachments/20210921/2a6 >>> 1c1c0/attachment-0001.htm> >>> >>> ------------------------------ >>> >>> Subject: Digest Footer >>> >>> _______________________________________________ >>> Pd-list mailing list >>> [email protected] >>> to manage your subscription (including un-subscription) see >>> https://lists.puredata.info/listinfo/pd-list >>> >>> >>> ------------------------------ >>> >>> End of Pd-list Digest, Vol 198, Issue 34 >>> **************************************** >> >> >> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> https://lists.puredata.info/listinfo/pd-list > > > > > > > > ------------------------------ > > Message: 2 > Date: Thu, 23 Sep 2021 14:03:44 +0200 > From: "Ingo" <[email protected]> > To: <[email protected]> > Subject: [PD] How to use a DAC expansion board with the RPi4 > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Hi everybody! > > > > I just got a DAC expansion board for my RPi4 but Pd doesn't see it. > > https://www.berrybase.de/en/new/argon-nanosound-one-case-f-252-r-raspberry-p > i-4?c=2389 > > > > Since there is no room for a sound card in such a small box and the RPi > headphone out is no good it looks like the only compact way. > > > > Can anybody point me to instruction for making Pd use these DAC expansion > boards as a sound card? > > They obviously don't show up in the ALSA sound options by default. > > > > Thanks! > > Ingo > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.puredata.info/pipermail/pd-list/attachments/20210923/68890d63/attachment-0001.htm> > > ------------------------------ > > Message: 3 > Date: Thu, 23 Sep 2021 14:19:27 +0200 > From: "Peter P." <[email protected]> > To: [email protected] > Subject: Re: [PD] How to use a DAC expansion board with the RPi4 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > * Ingo <[email protected]> [2021-09-23 14:04]: >> Hi everybody! >> >> >> >> I just got a DAC expansion board for my RPi4 but Pd doesn't see it. >> >> https://www.berrybase.de/en/new/argon-nanosound-one-case-f-252-r-raspberry-p >> i-4?c=2389 >> >> >> >> Since there is no room for a sound card in such a small box and the RPi >> headphone out is no good it looks like the only compact way. >> >> >> >> Can anybody point me to instruction for making Pd use these DAC expansion >> boards as a sound card? > What do the commands > $ pd -listdev > $ $ cat /proc/asound/cards > tell you about available cards? > > What does the manufacturer of the expansion board tell you about it? > Will it be a separate sound card from the built-in one? Or will the > expansion merely provide the built-in one with more channels? > > You might want to subscribe to the linux audio users mailing list for > assistance as well. > > P > > —-Email Argon40. Ask for assistance. —-There are probably better sound card options than argon, including those from Hifiberry, Blokas, and a few others (google “rasberrypi dac”, for example)
> > > > ------------------------------ > > Message: 4 > Date: Thu, 23 Sep 2021 15:34:53 +0200 > From: "Ingo" <[email protected]> > To: "'Peter P.'" <[email protected]>, <[email protected]> > Subject: Re: [PD] How to use a DAC expansion board with the RPi4 > Message-ID: <[email protected]> > > cat /proc/asound/cards says --- no soundcards --- > Pd doesn't see any soundcards. > > I think the problem is that the DAC get its data from the GPIO pins that Pd > cannot communicate with. > > I wonder if anybody made a "virtual soundcard" that talks to the RPi GPIO > and shows up as a ALSA device. > > I have a very small Sounblaster card that works fine and sounds ok but it's > still too large to fit inside. > With the internal headphones out my software doesn't even start up. > > I'm afraid that this won't even work at all with Pd . . . > Has anyone ever used any of these RPi DACs? > > Ingo > > > >> -----Original Message----- >> From: Pd-list [mailto:[email protected]] On Behalf Of Peter P. >> Sent: Thursday, September 23, 2021 2:19 PM >> To: [email protected] >> Subject: Re: [PD] How to use a DAC expansion board with the RPi4 >> >> * Ingo <[email protected]> [2021-09-23 14:04]: >>> Hi everybody! >>> >>> >>> >>> I just got a DAC expansion board for my RPi4 but Pd doesn't see it. >>> >>> https://www.berrybase.de/en/new/argon-nanosound-one-case-f-252-r- >> raspb >>> erry-p >>> i-4?c=2389 >>> >>> >>> >>> Since there is no room for a sound card in such a small box and the >>> RPi headphone out is no good it looks like the only compact way. >>> >>> >>> >>> Can anybody point me to instruction for making Pd use these DAC >>> expansion boards as a sound card? >> What do the commands >> $ pd -listdev >> $ $ cat /proc/asound/cards >> tell you about available cards? >> >> What does the manufacturer of the expansion board tell you about it? >> Will it be a separate sound card from the built-in one? Or will the > expansion >> merely provide the built-in one with more channels? >> >> You might want to subscribe to the linux audio users mailing list for > assistance >> as well. >> >> P >> >> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> https://lists.puredata.info/listinfo/pd-list > > > > > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Pd-list mailing list > [email protected] > to manage your subscription (including un-subscription) see > https://lists.puredata.info/listinfo/pd-list > > > ------------------------------ > > End of Pd-list Digest, Vol 198, Issue 37 > **************************************** _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> https://lists.puredata.info/listinfo/pd-list
