C51中对按键的处理方法

The Handles Method on Button in C51

单片机控制系统中大多使用按键来实现控制功能.非编码键盘中如何消除按键瞬间的抖动和响应按键操作是设计者必须要考虑的问题.本文通过软件消除了按键抖动,并讨论如何实现响应一次键操作.文中还提供C51单片机的按键识别的实用例程.

MCS-51 system is mostly controlled with keys.h must be considered for designers which are eliminating the dithering of keys and operating respond of keys in non- coding keyhoard.in this thesis, the dithering problem of keys was solved by software and discussed how to come true once key operation of respond. In addition,some applied procedures were provided with C51 language in the paper.