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嵌入式系统Internet打印的设计与实现
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2009-06-23
李勇
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本文通过设计实例介绍了一种嵌入式网络打印的实现方案。该方案选用ATmega128 为MPU、LAN91C111 为网络控制器，以通用的SPP 打印并口作为物理输出端 口，硬件构成上具有典型意义。软件上精简了TCP/IP 协议栈，完成了网络接口程序的设计，
构建了嵌入式WEB 服务器。在分析网络打印模型的基础上，实现了IPP 网络打印协议的基 本功能。
关键词：嵌入式系统；打印；IPP；LAN91C111
Abstract： A scheme of internet printing in embedded systems is presented in this paper.
Details of typical hardware mainly based on ATmega128, LAN91C111 & SPP are introduced. As for the software, the stack of TCP/IP is reduced, and meanwhile the process of network interface is given. On the basis of achieving embedded WEB server and analyzing the model of internet printing, primary function of IPP is implemented. This design of systems embedded with IPP is possessed of practical value.
Key words：Embedded System; Print; IPP; LAN91C111
构建了嵌入式WEB 服务器。在分析网络打印模型的基础上，实现了IPP 网络打印协议的基 本功能。
关键词：嵌入式系统；打印；IPP；LAN91C111
Abstract： A scheme of internet printing in embedded systems is presented in this paper.
Details of typical hardware mainly based on ATmega128, LAN91C111 & SPP are introduced. As for the software, the stack of TCP/IP is reduced, and meanwhile the process of network interface is given. On the basis of achieving embedded WEB server and analyzing the model of internet printing, primary function of IPP is implemented. This design of systems embedded with IPP is possessed of practical value.
Key words：Embedded System; Print; IPP; LAN91C111
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