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Internal DAC still not working?? #99

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EFWob opened this issue Jun 5, 2022 · 1 comment
Closed

Internal DAC still not working?? #99

EFWob opened this issue Jun 5, 2022 · 1 comment

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@EFWob
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EFWob commented Jun 5, 2022

Thanks for this excellent project.

For my own purposes, I wanted to have a prototype using the ODROID-GO which features ILI9341 display, (buttons) and an integrated speaker connected to the internal DAC (I dont mind the sound quality for prototyping).

So everything compiled like a charm, but there was simply no sound. (I changed the line 16 in audiotask.cpp to Audio audio(true, I2S_DAC_CHANNEL_BOTH_EN, I2S_NUM_0); to no avail).
When using an external DAC, everything seems fine (I did connect a scope to the GPIOs and I saw some reasonable output there which was not visible when trying with the internal DAC).

When I switched back to platform [email protected] I had sound (but other libraries would not compile anymore, so I had to through out some code I would like to keep and also some other problems...) To cut a long story short, from this I figured that the problem is most likely not with the project but with the platform itself.

A bit of research yielded an issue here espressif/esp-idf#7684.

This issue is in state closed, but I did not find any real solution that I could implement. So anyone has managed to use the internal DAC with [email protected] and arduino [email protected]???

Thanks for any ideas,

Erik

@EFWob
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EFWob commented Jun 16, 2022

Closed, as it is obviously a framework issue...

@EFWob EFWob closed this as completed Jun 16, 2022
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