串口调试软件，主要调用了封装的串行通信组件（COMM1）-Serial debugging software, the main call of the serial communication component package (COMM1)

MSComm控件的初级使用。使用MSComm控件实现电脑的两个串口间的通信，可以下载个虚拟串口软件进行测试。-The primary use of the MSComm control. MSComm control the communication between two serial ports of the computer, you can download a virtual serial port software to test.