linux-character-driver
所属分类:Linux/Unix编程
开发工具:Unix_Linux
文件大小:103KB
下载次数:51
上传日期:2008-07-21 16:38:08
上 传 者:
hawkish
说明: Linux下的简单字符设备驱动的源码,有说明文件说明如何编译和安装卸载测试驱动
(Linux simple character device driver source code, has the documentation on how to compile and install uninstall test drive)
文件列表:
linux-character-driver\Makefile (175, 2008-03-06)
linux-character-driver\my.c (5231, 2008-03-07)
linux-character-driver\.dev.mod.o.cmd (11588, 2008-03-06)
linux-character-driver\.dev.o.cmd (15323, 2008-03-06)
linux-character-driver\.my.o.cmd (14857, 2008-03-07)
linux-character-driver\my.ko (122475, 2008-03-07)
linux-character-driver\.my.ko.cmd (162, 2008-03-07)
linux-character-driver\Module.symvers (0, 2008-03-06)
linux-character-driver\my.mod.c (429, 2008-03-07)
linux-character-driver\my.mod.o (48436, 2008-03-07)
linux-character-driver\.dev.ko.cmd (150, 2008-03-06)
linux-character-driver\my.o (75068, 2008-03-07)
linux-character-driver\test (5626, 2008-03-07)
linux-character-driver\.my.mod.o.cmd (13475, 2008-03-07)
linux-character-driver\test.c (611, 2008-03-06)
linux-character-driver (0, 2008-03-08)
实验过程
#make //编译驱动程序,Makefile文件内容见上面的源代码列出的内容
#insmod my.ko //安装该驱动程序模块
#lsmod //查看已经安装的模块,通过截图看到my.ko已经加载
#cat /proc/devices //查看驱动主设备号结果为251,在源代码中主设备名为wxwdev
#mknod /dev/wxw c 251 0
//创建设备节点文件,c表示字符驱动,251为主设备号,0为次设备号
#gcc test.c -o test //编译驱动测试程序
#./test //运行测试程序,输出如截图,测试说明驱动运行正确
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