毕业设计（论文）-RM的以太网转换器的设计与实现.docVIP

基于ARM的以太网转化器的设计与实现大连理工大学专业学位硕士学位论文摘 要相对于其它通信方式来说，激光通信具有独特的优越性，其具有强大的抗电磁干扰的能力、较强的有电必威体育官网网址性能、良好的电磁兼容性。对于战场移动指挥条件下的通信需要，激光通信也能够表现出良好的适应性。不仅可以临时架设激光通信系统作为移动通信的转接，可以在野外的高山之间架设激光通信系统，还可以在陆、海、船三者之间实现激光通信系统的架设等等。在未来军事通信网络的发展中，激光通信将会成为通信手段的主流，因其优越的性能，受到了世界多个国家的广泛关注。本文建立的以太网系统，将网络芯片和ARM以及μC/OS-II操作系统的优点加以融合，使以太网得以实现与激光通信系统的良好连接。本文的设计中搭建的硬件系统由网络芯片、AT91RM9200处理器、存储器为主要部件，并在AT91RM9200处理器上成功的将μC/OS-II操作系统进行移植。对构建完成后的系统进行了整体的试验测试，测试结果证明本系统可以良好的实现对以太网数据的转换，使100Mbps以太网数据可以转换为8Mbps的PECL电平数据，以满足在激光发射系统中进行数据传输的需要。关键词： ARM μC/OS-II； 数据转换； 以太网Design and Implementation of Ethernet Transfer Based on ARMAbstractCompared with other means of communication, laser communication has the unique superiority, it has strong ability of anti electromagnetic interference, strong electromagnetic compatibility of electrical performance of confidentiality, good. The need for battlefield communications mobile command conditions, laser communication can also showed good adaptability. Can not only temporary erection laser communication system as the mobile communication adapter, laser communication system in field erected between the mountains, still can be in between the land, sea, the ship three laser communication system construction etc.. In the future development of military communication network, laser communication will become the main means of communication, because of its superior performance, are widely concerned by many countries in the world.Ethernet system established in this paper, the advantages of the network chip and ARM and μ C/OS-II operating system to be integrated, so that the Ethernet can be realized with the good connection of the laser communication system. The hardware system built in this design by the network chip, AT91RM9200 processor, memory is the main component, and in the AT91RM9200 processor will be the success of μ C/OS-II operating system transplant. To construct the system after the completion of the test the whole, the test results show that the system can realize the conv