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paomadeng
- 跑马灯:用到键盘(修改闪烁速度等),定时器,中断。通过LED指示灯实现从左到右,从右到左,从两边到中间,从中间到两边,所有的LED同时快速闪烁与慢闪-Marquee: to use the keyboard (to modify the flashing speed, etc.), the timer interrupt. LED indicator from left to right, right to left, from both sides to the middle, from mi