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基于STM32实现矩阵按键控制数码管显示的长按,短按,以及状态切换

于 2022-01-31 发布 文件大小:3.70 MB
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代码说明:

    此代码能实现按键对数码管的控制,和各种状态切换,数码管有9个用到7个其中两个暂时还没用到。按键11个。定时器对数码管时间显示计时,按键实现数码管的加减,其中包括短按按键加减1,长按加减10的功能。设置完之后按下开始按键实现计时,按下停止按键实现数码管显示的数停止计时。停止按键有三种或者两种状态切换,停止,回复设定的值,以及清零。

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