发布时间:2014-10-21 09:46:24
Linux中斷處理過程与Linux设备驱动中中断处理相关的首先是申请与释放IRQ的API request_irq()和free_irq(),request_irq()的原型为:int request_irq(unsigned int irq,void (*handler)(int irq, void *dev_id, struct pt_regs *regs),unsigned long irqflags,const char * devname,void *dev_id);irq.........【阅读全文】