[AudioI] How the RPI OS detects the Octo?

Matt Flax matt at audioinjector.net
Tue May 10 22:09:19 UTC 2022


That is possible.

Test whether it is detectable on the i2c bus. You may need to disable 
the overlay in config.txt.

i2cdetect -l

That will list the available i2c busses. Then you can detect a bus, such 
as bus 1 :

i2cdetect 1

Do you see any indications in the output from i2cdetect that an IC is 
responding on the bus ?

Matt


On 11/5/22 07:52, Marc Lavallée wrote:
> Hi Matt,
>
> There's no trace of the card being connected and detected, at all.
> Could there be that I fried it by plugging it incorrectly?
>
> Thanks
> Marc
>
> Le 2022-05-10 à 17 h 49, Matt Flax a écrit :
>> Can you report on anything you see when probing for available devices ?
>>
>> aplay -l
>>
>> If nothing is there, do you see anything in the system log : dmesg
>>
>> Matt
>>
>> On 7/5/22 08:29, Marc Lavallée via People wrote:
>>> Hi,
>>>
>>> I acquired an Octo a few months ago, but never tried it.
>>> Sadly, it doesn't seem to work, and it looks like a harware issue.
>>>
>>> I don't use a stock RPI OS, I use DietPi. But it's similar, so I added
>>> 'dtoverlay=audioinjector-addons' at the end of /boot/config.txt
>>> No luck...
>>>
>>> If I understand correctly how dtoverlay works,
>>> it would looks for the octo in the /proc/device-tree folder,
>>> so there should be some trace of "audioinjector" in it...
>>>
>>> Is there something I'm missing?
>>>
>>> Marc
>>>
>
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