linux 系统嵌入式开发驱动源代码，包括非操作系统下和操作系统下的LED灯驱动实验源码，设备模块加载源码，中断实验源码，时钟操作实验源码等。-linux driver source code embedded development system, including non-operating system and operating system driving under the experimental LED light source, the device module is lo