完成了基于RS- 232c标准异步串行通信协议的设计，实现了系统回波数据与PC机之间的数据交换。
An asynchronous serial communication protocol based on RS-232C is designed to realize the data communication between the PC and the system.
完成了基于RS- 232c标准异步串行通信协议的设计，实现了系统回波数据与PC机之间的数据交换。
An asynchronous serial communication protocol based on RS-232C is designed to realize the data communication between the PC and the system.
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