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根据分布式样例飞行控制计算机特点和内部数据通信需求,提出了以C8051F120单片机与FlexRay共同组成的内部总线通信节点设计方案,完成了通信节点硬件的详细设计,开发了通信软件并讨论了若干设计要点。对所设计的FlexRay通信节点进行了常温和低温下的功能和性能测试,验证了通信效率和可靠性,可满足新型飞行控制计算机的内部数据通信要求。
According to the distributed sample flight control computer characteristics and internal data communication requirements, a design scheme of internal bus communication node composed of C8051F120 singlechip and FlexRay is proposed, the detailed design of the communication node hardware is completed, the communication software is developed and several designs are discussed Point. The designed FlexRay communication nodes were tested under normal temperature and low temperature function and performance to verify the communication efficiency and reliability to meet the internal data communication requirements of the new flight control computer.