#include <OneButton.h>
#define BUTTON 12

OneButton btn = OneButton(BUTTON,false,false);

void press(){
  int p = btn.getNumberClicks();
  Serial.println("BUTTON CLICK");
  switch (p) {
    case 3:
      Serial.println("CLICK 3.");
      break;
    default:
      Serial.println(p);
  }
}

void OnceClick(){
  Serial.println("CLICK!");
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  btn.setDebounceTicks(50); // 按钮去抖动 50毫秒
  btn.setClickTicks(500); //时间判定 500毫秒 半秒
  btn.attachClick(OnceClick);
  btn.attachMultiClick(press);
}

void loop() {
  // put your main code here, to run repeatedly:
  btn.tick();
}