基于Linux的字符设备驱动程序的开发  

The Development of Character Device Dr iver Based on Linux

作　　者：李兰兰[1] 

机构地区：[1]南京航空航天大学金城学院,江苏省211156

出　　处：《网络安全技术与应用》2012年第4期75-77,共3页Network Security Technology & Application

摘　　要：本文介绍了在Linux系统中开发字符设备驱动程序的过程,包括驱动模块的加载卸载、字符设备号的分配释放,字符设备的注册注销、结构体file_operations中相关的操作等。最后给出验证字符设备驱动程序是否成功运行的一种方法。This paper introduces the development of character device based on Linux, including loading and unloading of the driver module, allocation and release of character device number, registration and unregistration of character device, related operation of struct file_operations etc..Finally, a method of checking the character device driver is provided.

关 键 词：字符设备 设备号 设备驱动 用户空间 

分 类 号：TP311.11[自动化与计算机技术—计算机软件与理论]