Frantisek Burian 0cc0134f21 usb: Only enable the SOF interrupt if user_callback_sof is given. ...

Otherwise we get 1 kHz of SOF interrupts even if we don't need them.

Originally reported by Uwe in https://github.com/libopencm3/libopencm3/pull/274
but BuFran provided a reworked implementation.

2015-07-15 00:22:18 +00:00

9.3 KiB

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