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文章的目的是实现一个具有无线接入网络能力的嵌入式系统。构建了基于S3C2410处理器的嵌入式系统,简要分析了S3C2410的系统结构和工作原理,给出USB无线扩展接口硬件电路。研究USB无线网卡的软件部分的实现,包括分析网卡固件和网络配置管理程序的作用、编写基于嵌入式Linux操作系统的驱动程序。最后配置和激活无线网卡,使得嵌入式系统通过USB无线网卡的扩展具备无线网络接入功能。
The purpose of this article is to implement an embedded system with wireless access network capabilities. The embedded system based on S3C2410 processor is constructed, the system structure and working principle of S3C2410 are briefly analyzed, and the hardware circuit of USB wireless extension interface is given. Research on the realization of the software part of the USB wireless network card includes analyzing the function of the network card firmware and the network configuration management program and writing the driver based on the embedded Linux operating system. Finally configure and activate the wireless network card, making the embedded system through the USB wireless network card expansion with wireless network access.