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I've designed a board with a stm32F302C8T6 but the MCU dosent show up on windows. I didn't have a pull up resistor on D+. Could it cause that problem or the pull up isint mandaatory?
I want to test out the usb audio device middlweare but it seem the i can't recive any audio packet, the device is configured and stall after. no isochronous transfer is done. The code is just out from cubeMX with no modification. Is there more i have...