【摘要】 IEEE 1588协议用于局域网的时钟同步和传输延迟测量,是LXI总线的关键。通过LM3S8962在LwIP网络协议栈上运行PTPD实现了IEEE 1588协议,阐述了IEEE 1588协议的作用和工作原理,介绍了协议的特点及实现方法,分析了LM3S8962实现协议的优势,设计了网络接口,在网络协议栈上实现了网络时钟同步功能并进行验证测试,应用于LXI总线的仪器设计中。实验结果表明设计合理、功能正确。更多还原

【Abstract】 IEEE 1588 protocol,a key in LXI bus standard,is used to synchronize clock in local area network.By studying the role,working principle,current implementation method and characteristics,analyzing the advantages of LM3S8962,designing network interface,the protocol with LM3S8962 running PTPD based on LwIP is implemented and verified by the design of the equipment.Experimental results show that the design is reasonable and the function is correct.更多还原