【摘要】 普及计算的发展要求新型的嵌入式操作系统能够支持更多的设备,如何高效、快捷地构造这些网络设备的驱动程序,对嵌入式操作系统的实际应用起着决定性的作用。eCos这种嵌入式可配置操作系统层次分明、接口合理,便于设备管理和设备驱动的开发,文章在对eCos设备驱动程序体系结构分析的基础上,重点讨论了eCos设备驱动程序设计编写的要点及其工作的基本原理,并给出了具体的应用实例。更多还原

【Abstract】 The development of Pervasive Computing demand more devices be supported by the embedded operating system.Therefore,how to program the device driver rapidly and efficiently is becoming an critical problem to the success of embedded operating system.As a configurable embedded operating system,eCos has well designed architecture and interface,which can ease the programming work of device driver.Based on the analysis of eCos’s device driver architecture,this article make detailed discussion on some key problems of device driver design and illustrate the working principle of device driver.At the end of the article,we also give some device driver instances we designed for eCos.更多还原