摘要
介绍由嵌入式通讯网卡组成的电脑就餐系统实时通讯网，提出了根据通讯协议构造通讯状态转化图的方法，并给出了通讯接口的设计算法。经实际应用，系统具有较好的实时性与可靠性，满足系统设计的性能要求。
Discusses the embedded real-time communication network of IMS for dinning-room. Presents a way to construct the state-transition diagram with the communicating protocol and a algorithm to design the communication interface.
