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基于Linux的字符设备驱动设计与实现 被引量:8

Design & Implementation of Char Drive Procedures Under Linux
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摘要 在基于Linux的嵌入式工业控制系统的开发过程中,针对最常见的字符设备,探索了一种设备驱动程序设计的一般方法。该方法为这一类设备驱动实现提供了整体框架,降低了驱动设计难度。实时时钟模块是典型的字符设备也是工业控制系统中的重要组成部分。作者以基于I2C总线的实时时钟在ARM9平台的驱动实现为例,详细介绍了这一方法在嵌入式系统开发中的具体应用。 This paper describes a universal method for Linux char devices drive implementation in Embedded Industrial Control System.The method provides a basic frame for the drive procedures design and decreases the difficulty of our work.The RTC module is a typical char device as well as an important part of Industrial Control System.Taking the RTC(based on I2C Bus)driver as an example, how to use the method in embedded systerm application is being exhaustive discussed.
出处 《微计算机信息》 北大核心 2008年第24期163-165,共3页 Control & Automation
基金 国家863计划资助(2004AA31g080)
关键词 LINUX 驱动程序 实时时钟 嵌入式系统 Linux Driver RTC Embedded system
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