通过串口和c8051f410单片机通信。发送给单片机一组指令，单片机回一段数据，并对这段数据进行CRC校验。本例采用汇编实现。-Via a serial port and c8051f410 single-chip microcomputer communication. A set of instructions sent to the single-chip microcomputer and single chip microcomputer to a piece of data, and CRC check on this piece of data. This example USES the assembly implementation.