基于linux和arm s3c2410的键盘驱动程序，动态加载内核模块，当按键按下，触发外部中断，通过spi和中断管脚，将键盘对应值在测试程序中显示。-Based on linux and arm s3c2410 keyboard driver, dynamically loaded kernel module, when the button is depressed, trigger external interrupt through the spi and interrupt pin,