Program is how to call the API function serial and communication example, no third party controls, you can set up a virtual serial port.
说明：程序是如何调用API的串口函数，及通讯示例，不需要三方控件，可以设虚拟串口。
The key technology of gate opening detected, opening controlled, serial communication by API function, are mainly discussed.
对系统中涉及的闸门开度检测、开度控制、利用API函数进行串行通讯等关键技术作了较详细的介绍。
The key technology of gate opening detected, opening controlled, serial communication by API function, are mainly discussed.
对系统中涉及的闸门开度检测、开度控制、利用API函数进行串行通讯等关键技术作了较详细的介绍。
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