建立了设备驱动与嵌入式系统的一种关系模型，分析和抽象出了一种基于该模型的设备驱动架构设计方案，并 给出了一例实现。重点叙述了各模块的功能和该驱动架构的关键技术-a device driver and embedded systems as a model, analysis and an abstract based on the model of device driver architecture design program, and gives the case to achieve