Using the RS232 (9 pins) as serial interface can carry out the communication between computer and controller. This system adopts the binary form to transmit the data.

通过RS232（9）脚串口可实现计算机与控制器的双向通信，本系统采用二进制形式传输数据。

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WIN32API communication procedures using multithreading in the form driven process for the multi-port serial communications, serial data is sent and received.

WIN32 API通讯程序采用多线程的形式进行驱动，程序中采用多串口进行通讯，有串口数据接受和发送。

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At last, analysis all data form each serial port and judge whether accord with the need of the detecting case.

最后，对某个串口收到的数据进行分析判断，是否符合测试用例要求。

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