Hi, this works somehow; https://github.com/VincentGijsen/STM32F401_working_i2s_to-USB/blob/main/Middlewares/ST/STM32_USB_Device_Library/Class/AUDIO/Src/usbd_audio.c but quite hacky.. ok for hobby, perhaps not so much for commercial products ;) I also...
for future reference: i have rudimentary working version (V1.28).IS2 source -> USB audio dst working, just for for anybody that cares for the topic. the buffer mechanism is "crude" presently, read: artifacts while ingesting i2s, likely issue of mis-a...
i have it running (also after burning way too much time...with 1.28), now on 1.27. it does not work entirely though, but the DATA_IN(in) is atleast called. Now my data seems to be 'half', but that is a bug to resolve, either an DMA/I2S (in) issue or...
