interrupt enable

基本解释

According to the communication and synchronization of multiple tasks, three method have been put forward: disable interrupt and enable interrupt;
对于多任务运行中任务间的通信和同步提供了三种方法：关中断；
This function initializes a hardware interrupt with the kernel. This initialization enables the device driver to register an event and enable the interrupt.
该函数初始化硬件中断和内核，使设备驱动注册事件并使能中断。