[AudioI] AudioInjector Octo on Buster Lite

[Matt Flax]

Yes it should work as per usual on the Lite OS.


On 23/6/21 1:16 am, cx b wrote:
> 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
>>>
>>>
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