I am making a sound card using stm32h750 and usb3300 PHY for high-speed USB. In some USB ports everything works fine, but on linux and "bad" usb ports with something else plugged into the hub it seems like I am receiving multiple packets in one SOF.S...

I am making an USB HS open-source sound card using STM32H750. Essentially, I got the USB audio class template and modified it to USB audio class 2. And, I have several problems with packets being skipped.In a "good" USB port, everything is fine, but ...

I am trying to access the APS6404 PSRAM with QuadSPI on STM32H743. For some reason, indirect-writes are fine; but as soon as I try an inderect-read (one-line, typical SPI essentially) the communication stalls. By stalling I mean the SR register is al...