嵌入式通用千兆以太网接口的设计与实现.pdfVIP

2011 仪 表 技 术 与 传 感 器 2011 6 Instrum ent Techn ique and Sensor No6 1, 2 1 1 张伟华 , 魏仲慧 , 何 昕 ( 1. , 130033; 2. , 100039) : 以现场可编程门阵列 PGA和千兆以太网网络控制器 AX88180为硬件平台, 对嵌入式设备资源有限的特点, 提出了一种通用的嵌入式设备千兆以太网接口设计与实现方案详细阐述了系统的组成结构工作原理; 讨论了以太网 TCP / IP网络协议的基本体系结构; 总结提出了适合嵌入式设备的 TCP / IP网络协议实现方法; 给出了网络驱动和数据处 理的设计流程以及仿真结果; 并实际测试了系统的通信性能, 给出了实验结果实际应用证明该设计通用灵活, 可以根 据实际需求实现各种嵌入式设备的千兆以太网接入, 而千兆以太网更高的传输带宽优势, 可以满足大数据量传输的要求 : 嵌入式; 千兆以太网; 现场可编程门阵列; 千兆网络控制器; TCP / IP : TP393 : A : 1002- 1841( 2011) 06- 0041- 03 Design and Implementation ofEmbedded Universal G igabit Ethernet Interface 1, 2 1 1 ZHANG W eihua ,W EI Zhonghu i, HE Xin (1. Changch n Instit te ofOptics, F ineM echanics and Physics, Chinese Academ y of Science, Changch n 130033, China; 2. Grad ate School, Chinese Academ y of Science, Beijing 100039, China) Abstract: The hardw are platform w as bu ilt on PGA ( field programmable gate array) and G igab it Ethernet network controller AX88180, for the characteristics of embedded devicesw ith lmi ited resources, this paper proposed a universal design and mi p lem en tation program for em bedded devices G igab it Ethernet interface. It presented the organ ization structure and operate principle of the system in detai;l discussed the basic arch itecture of EthernetTCP / IP newt ork protocol. It summarized and proposed an appropriate TCP / IP network protocol mi p lementm ethod for em bedded devices; gave the network drive and data processing flow chart and smi u lation results. The comm un icati