VC_ USB code byte count; & nbsp; / / define count byte & nbsp; / / get the number of read buffer bytes & nbsp; number_ of_ bytes_ read = HIDRxReport(receive_ buffer, HID_ OUTPUT_ REPORT_ BYTES); if (number_ of_ bytes_ Read & gt; 0) / / if the received byte is not 0, data will be sent in & nbsp; & nbsp; {& nbsp; & nbsp; & nbsp; / / get the data sent by the host to the send buffer & nbsp; & nbsp; & nbsp; for (count = 0; count & lt; HID)_ OUTPUT_ REPORT_ BYTES; count++)