[PD] How to use a DAC expansion board with the RPi4

[Antoine Rousseau]

hi,
maybe these tutos, about configuring an I2S sound card on a Pi, can help
you:

https://learn.pimoroni.com/article/raspberry-pi-phat-dac-install
https://learn.adafruit.com/adafruit-i2s-audio-bonnet-for-raspberry-pi/raspberry-pi-usage

Not sure their pre-configurated scripts will work with your hardware, but
maybe they will after all.



Le jeu. 23 sept. 2021 à 17:01, Alexandros <adrcki at gmail.com> a écrit :

> It does appear as a sound card and you can connect to it as a MIDI
> device via aconnect.
>
> On 23/9/21 5:28 μ.μ., Ingo wrote:
> > The PiSound looks great but would require a different housing. Mmmmhhh .
> . .
> > How does Pd communicate with it?
> > Does it show up as a sound card and MIDI device?
> >
> >
> >
> >> -----Original Message-----
> >> From: Pd-list [mailto:pd-list-bounces at lists.iem.at] On Behalf Of
> Alexandros
> >> Sent: Thursday, September 23, 2021 3:53 PM
> >> To: pd-list at lists.iem.at
> >> Subject: Re: [PD] How to use a DAC expansion board with the RPi4
> >>
> >> I can confirm that the Pisound works great, but it's not a cheap
> solution.
> >>
> >> On 23/9/21 4:34  . ., Ingo wrote:
> >>> 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:pd-list-bounces at lists.iem.at] On Behalf Of
> Peter P.
> >>>> Sent: Thursday, September 23, 2021 2:19 PM
> >>>> To: pd-list at lists.iem.at
> >>>> Subject: Re: [PD] How to use a DAC expansion board with the RPi4
> >>>>
> >>>> * Ingo <ingo at miamiwave.com> [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
> >>>>
> >>>>
> >>>>
> >>>> _______________________________________________
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> >>>
> >>>
> >>>
> >>> _______________________________________________
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> >>
> >>
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> >
>
>
>
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