一个串行通信的小例子，该程序可以将通信所得到的数据显示出来且可存储为TXT文件，并且可以读取TXT文件恢复波形。-a small example. The communication process can be obtained data can be displayed and stored for TXT documents, and can read TXT file recovery waveform.

解析文本命令,从TXT文件读取汽车资料，解析成标准命令-Read and writer TXT file command