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介绍了嵌入式领域非常流行的实时操作系统μC/OS-II,分析轻型TCP/IP协议栈lwIP,详细论述在8位处理器Atmega128上μC/OS-II的移植以及网络协议栈的实现过程,指出移植过程中应该解决的重点和难点问题,并给出了相应的解决方法。最后,对该移植过程进行了充分的测试,并对测试数据进行了简要的分析,结果表明μC/OS-II以及lwIP的移植正确,运行稳定,具有较高的网络传输速率和较低的丢包率。
This paper introduces the real-time operating system μC / OS-II which is very popular in the embedded field, analyzes the lightweight TCP / IP protocol stack lwIP, details the μC / OS-II porting and the realization of the network protocol stack on the 8-bit processor Atmega128, Point out the key and difficult problems that should be solved in the process of transplantation, and give the corresponding solutions. Finally, the transplant process has been fully tested, and the test data were analyzed briefly, the results show that μC / OS-II and lwIP transplantation correctly, stable operation, with high network transmission rate and low loss Packet rate.