采用外部中断方式控制广告灯，首先用8个彩灯显示作先左移7次，再往右移7次，然后按以上规律往返执行，但是每来一个外部触发，上述规律就要暂停运行，将目前彩灯的状态闪烁5次，之后再继续按上述规律运行。-External interrupt control the advertising lights, first with eight lights display for the first left 7 times, and then further right 7 times, then press and from the implementation of the above rules, but each to an external trigger, we should suspend the operation of the above rules, the current state of lights flashes 5 times, then continue to run according to the above rules.