如何停止循环 arduino [英] how to stop a loop arduino

问题描述

我有这个循环，我该如何结束循环?

I have this loop, how would I end the loop?

 void loop() {
      // read the pushbutton input pin:

       a ++;
      Serial.println(a);
        analogWrite(speakerOut, NULL);

      if(a > 50 && a < 300){
      analogWrite(speakerOut, 200);
      }

      if(a <= 49){
        analogWrite(speakerOut, NULL);
      }

      if(a >= 300 && a <= 2499){
          analogWrite(speakerOut, NULL);
      }

推荐答案

Arduino 特别提供了绝对无法退出其 loop 函数的方法，正如实际运行它的代码所示:

Arduino specifically provides absolutely no way to exit their loop function, as exhibited by the code that actually runs it:

setup();

for (;;) {
    loop();
    if (serialEventRun) serialEventRun();
}

此外，在微控制器上，首先没有什么可退出的.

Besides, on a microcontroller there isn't anything to exit to in the first place.

您能做的最接近的事情就是停止处理器.这将停止处理，直到它被重置.

The closest you can do is to just halt the processor. That will stop processing until it's reset.

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