Linux设备驱动的现状

从non­ os驱动到Linux驱动

内核设施

 自旋锁、信号量、互斥量、完成量

 异步通知、信号

 阻塞与非阻塞

 内存与I/O操作，DMA

 中断，top  half/bottom  half

字符设备驱动

复杂设备驱动的框架

 LCD设备FRAMEBUFFER

 FLASH设备MTD

 TTY设备

 块设备

用户空间的设备驱动

设备驱动开发流程

 开发环境建设

 调试手段

 用户空间测试

设备驱动的学习方法-The status of Linux device drivers to Linux driver from nonos drive kernel facilities 　spin locks, semaphores, mutexes, output 　asynchronous notification, signal 　　blocking and nonblocking memory and I/O operation, DMA 　interrupt, top half/bottom half complex character device driver device driver Framework 　LCD equipment FRAMEBUFFER 　FLASH device MTD 　TTY equipment 　block device user space device driver device driver development process, development environment 　　　user space debugging tools test equipment driven learning method