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STM32 USB Isochronus endpoint problem

AlexVetoshko
Associate II

Hello!

I have a problem. I created a USB audio device project in CubeMX. Then I changed the descriptors and related functions to get a device like a microphone. The device is detected correctly in the Windows system. But there is a problem: DataIn endpoint callbacs and SOF events are not raised. I cannot process and send data. I am interested in implementation using the latest version of the HAL + USB device library (I only find examples use old versions and USB OTG + CMSIS). Why might Isochronus DataIn callbacks be missing?

Project sources in attachment

1 REPLY 1
Gabriel Melo
Associate III

Hey, I have the same problem... I started my program using CubeMX libraries + X-CUBE-MEMSMIC1 expansion package. I do see the event raised for a volume control, but no other event