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UAC2 sync issue

Posted: Mon Jul 29, 2024 4:21 pm
by ac.verbeck
Hello all!

I have a question about UAC2 sync, specifically USB feedback via FIFO counting. This was originally implemented last November for TinyUSB (although not merged). It has been merged in leeebo/tinyusb_src about two months ago. I have downloaded the example (tested on a ESP32-S3-LCD-EV-Board v1.4), and it clearly does not work. I have also attempted to make the latest version of the usb_headset work (tested on a ESP32-S3-BOX-3) and it did not work here either.

Espressif support engineering expressly indicated that these applications were working.

Questions:
1. Has anyone got this working 100% -- that is no strange noises from sync issues?
2. If so, were there any special configuration settings?

Thanks in advance for all your help,

ACV