本文基于VxWorks 操作系统,设计了高速路由器中POS 接口卡的驱动软件。在研究POS 接口特点的基础上,深入分析了驱动软件功能和性能需求,结合操作系统的特点给出了软件总体结构、系统任务划分及关键模块的设计。关键词: VxWorks;线路接口卡;驱动软件;实时操作系统Abstract: Based on VxWorks, this paper puts forward the software design scheme of POS linecard in high-speed router. In the first part, the paper researches the characteristics of the POS linecard, then in the second part it provides the function and performance requirements. Take these requirements and the characters of VxWorks into account; it designs the software architecture, the real-time tasks, and the key modules.Key words: VxWorks; Linecard Interface; Driver; RTOS
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