[AudioI] AudioInjector Octo on Buster Lite

[cx b]

The easy install, run on the full OS, seems to work.
Is there any way to run this with the Lite OS, though? I'm not
entirely sure where the differences might be.

On Mon, Jun 21, 2021 at 2:39 AM cx b <clistburnham at gmail.com> wrote:
>
> Sure..
>
> In the config file, it states:
> dtoverlay=audioinjector-addons
>
> Is there another area where AudioInjector should appear?
>
> As for the dmesg, no mention of AudioInjector - although I did notice this:
> [    8.501524] bcm2835_audio soc:audio: card created with 8 channels
>
> What I've learned is that in the current build of Raspian Lite, Pulse
> Audio and LXDE panels are not included.
> I can try to flash the card with the full OS and run the "easy
> install", just to see if that works.. but I would really like to run
> it headless and use the optimizations described on the SuperCollider
> page, if possible.
>
>
>
> On Sun, Jun 20, 2021 at 6:26 PM Matt Flax <matt at audioinjector.net> wrote:
> >
> > hi there,
> >
> > Indeed it seems that your soundcard isn't being found.
> >
> > Can you show the excerpt of the config.txt which mentions audioinjector ?
> >
> > Also can you run dmesg and look for the audioinjector section.
> >
> > One way to bypass pulseaudio's default manging with ALSA is to do the
> > following :
> >
> > ########## BEGIN ~/.asoundrc ###################
> > @hooks [
> >      {
> >          func load
> >          files [
> >              "~/.asoundrc"
> >          ]
> >          errors false
> >      }
> > ]
> >
> > pcm.!default {
> >          type hw
> >          card 0
> > }
> >
> > ctl.!default {
> >          type hw
> >          card 0
> > }
> >
> > ########## END ~/.asoundrc ###################
> >
> > Matt
> >
> > On 19/6/21 4:15 pm, cx b via People wrote:
> > > Also, here's what happens with Speaker-Test..
> > >
> > > pi at raspberrypi:~ $ speaker-test
> > >
> > > speaker-test 1.1.8
> > >
> > > Playback device is default
> > > Stream parameters are 48000Hz, S16_LE, 1 channels
> > > Using 16 octaves of pink noise
> > > ALSA lib pcm_hw.c:1822:(_snd_pcm_hw_open) Invalid value for card
> > > Playback open error: -2,No such file or directory
> > >
> > > On Sat, Jun 19, 2021 at 2:13 AM cx b <clistburnham at gmail.com> wrote:
> > >> Hi there -
> > >>
> > >> I'm currently trying to get AudioInjector up and running on a
> > >> Raspberry Pi 4, using Buster Lite and running headless.
> > >>
> > >> I'm a little new to this stuff, so I apologize for lacking clarity.
> > >>
> > >> My understanding is that PulseAudio is the default driver currently
> > >> and direct access to ALSA has been hidden, which seems to be creating
> > >> problems. In any event, as of now, I am unable to get Octo identified
> > >> and running.
> > >>
> > >> Going by the manual install on the Git, here is my log:
> > >>
> > >>
> > >> pi at raspberrypi:~ $ sed -i 's/\=volumealsa/\=REMOVEvolumealsa/'
> > >> ~pi/.config/lxpanel/LXDE-pi/panels/panel
> > >> sed: can't read /home/pi/.config/lxpanel/LXDE-pi/panels/panel: No such
> > >> file or directory
> > >> pi at raspberrypi:~ $ sudo apt remove pulseaudio
> > >> Reading package lists... Done
> > >> Building dependency tree
> > >> Reading state information... Done
> > >> Package 'pulseaudio' is not installed, so not removed
> > >> 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
> > >> pi at raspberrypi:~ $ echo updating the kernel
> > >> updating the kernel
> > >> pi at raspberrypi:~ $ sudo rpi-update
> > >>   *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
> > >>   *** Performing self-update
> > >>   *** Relaunching after update
> > >>   *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
> > >>   *** We're running for the first time
> > >>   *** Backing up files (this will take a few minutes)
> > >>   *** Backing up firmware
> > >>   *** Backing up modules 5.10.17-v7l+
> > >> #############################################################
> > >> WARNING: This update bumps to rpi-5.10.y linux tree
> > >> See: https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=288234
> > >> 'rpi-update' should only be used if there is a specific
> > >> reason to do so - for example, a request by a Raspberry Pi
> > >> engineer or if you want to help the testing effort
> > >> and are comfortable with restoring if there are regressions.
> > >>
> > >> DO NOT use 'rpi-update' as part of a regular update process.
> > >>
> > >> ##############################################################
> > >> Would you like to proceed? (y/N)
> > >> pi at raspberrypi:~ $ echo check the device tree overlay is setup
> > >> correctly in the file /boot/config.txt ...
> > >> check the device tree overlay is setup correctly in the file
> > >> /boot/config.txt ...
> > >> pi at raspberrypi:~ $ sudo bash -c "sed -i
> > >> \"s/^\s*dtparam=audio/#dtparam=audio/\" /boot/config.txt"
> > >> pi at raspberrypi:~ $ cnt=`grep -c audioinjector-wm8731-audio /boot/config.txt`
> > >> pi at raspberrypi:~ $ if [ "$cnt" -eq "0" ]; then
> > >>>          sudo bash -c "echo '# enable the AudioInjector.net sound card
> > >>> dtoverlay=audioinjector-addons' >> /boot/config.txt"
> > >>> fi
> > >> After this, I reboot.
> > >>
> > >> pi at raspberrypi:~ $ aplay -l
> > >> aplay: device_list:272: no soundcards found...
> > >>
> > >> I'm not sure where else to identify or test the install.
> > >>
> > >> My goal is ultimately to run this interface with SuperCollider and my
> > >> following steps were to use this tutorial:
> > >> https://madskjeldgaard.dk/posts/raspi4-notes/
> > >>
> > >> Ultimately, though, SuperCollider could not identify Jack or the Octo.
> > >>
> > >> Any advice would be greatly appreciated.
> > >>
> > >> Thanks.
> >
> > --
> > Checkout the community email list :
> > https://lists.audioinjector.net/mailman/listinfo/people
> >
> >