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如何在STM32嵌入式开发中优雅地处理按键(单击、双击、长按)?
一旦解决了去抖动问题,接下来就是根据不同的按键模式(单击、双击、长按)来识别和响应按键事件。 我们可以通过计时器和状态机来实现。 单击是指按键被快速按下和松开。为了检测单击,通常我们通过检测按键按下事件,并在一定的时间内等待松开。
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