跑马灯 ，使LED灯发光倍率成倍数增加，通过改变计数器初值，初值设置要一定大，小于-Marquee, the LED light magnification multiples increased by changing the counter initial value, the initial value is set to a certain large, less than 99 000

Linux下定时器驱动测试，显示当前计数器数值-Linux timer-driven testing, shows the current counter value