WCH569 triggers an OUT interrupt even if it NAKs the packet #13
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WCH569 triggers an interrupt even when it sends a NAK to a DATA packet. Created issues when switching to the Hydradancer dongle from the Hydradancer prototype, for OUT control requests (DATA1 packet received directly after a DATA0 packet containing from the SETUP transaction). On the later, we were probably saved by some timing that meant the interrupt was dismissed while processing the SETUP interrupt.