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  • Damien George's avatar
    stmhal: Make USB CDC driver use SOF instead of TIM3 for outgoing data. · d3631339
    Damien George authored
    Previous to this patch the USB CDC driver used TIM3 to trigger the
    sending of outgoing data over USB serial.  This patch changes the
    behaviour so that the USB SOF interrupt is used to trigger the processing
    of the sending.  This reduces latency and increases bandwidth of outgoing
    Thanks to Martin Fischer, aka @hoihu, for the idea and initial prototype.
    See PR #1713.