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.

串口发送、接收数据，显示数据、画图功能 可以选择16进制或ascii数据发送-Serial port to send, receive data, display data, drawing function can choose 16 hexadecimal or ascii data sent