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Description: 通常我们使用键盘扫描的时候直接把代码放到while(1){}里面，但有时会由于之前程序执行时间过长而导致扫描无效，所以这里提供了一个把扫描放到定时器中断里的方式，主要是提供一个想法，程序相信大家都能编出来的，这里面有一个例子，仅供大家参考。。。 -We usually use the keyboard scan code when put directly to the while (1) () inside, but sometimes as a result of program execution before the result of too much time scanning does not work, so here are scanned on a timer interrupt in a manner mainly to provide an idea of the procedure believe that for everyone out there has an example for your reference. . .
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Size: 11264 |
Author: 许珍 |
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