Still trying to get to grips with the USBFTDILoopback example from the USB Host 2.0 library. Any suggestions on what the author (Oleg Mazurov) is intending with this snippet? rcode = Ftdi.RcvData(&rcvd, buf); if (rcode && rcode != hrNAK) { ErrorMessage<uint8_t>(PSTR("Ret"), rcode); }…

Tonights newbe questions...

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