#include <Arduino.h>
#include <OneButton.h>

// Setup a new OneButton on pin A1.  
OneButton buttonRed(A2);
OneButton buttonGreen(A1);

typedef enum {
  ACTION_WORK,   // set LED "OFF".
  ACTION_SETUP    // set LED "ON"
} MyActions;

MyActions nextAction = ACTION_WORK;  // no action when starting



// setup code here, to run once:
void setup() {
  // enable the standard led on pin 13.
  pinMode(13, OUTPUT);      // sets the digital pin as output
  
  // link the doubleclick function to be called on a doubleclick event.   
  buttonRed.attachDoubleClick(doubleclick);
  buttonGreen.attachDoubleClick(doubleclick);
} // setup
  

// main code here, to run repeatedly: 
void loop() {
  // keep watching the push button:
  buttonRed.tick();
  buttonGreen.tick();

  Serial.print(nextAction);
  Serial.println();

  // You can implement other code in here or just wait a while 
  delay(10);
} // loop


// this function will be called when the button was pressed 2 times in a short timeframe.
void doubleclick() {
  static int m = LOW;
  // reverse the LED 
  m = !m;
  digitalWrite(13, m);

  if (nextAction == ACTION_WORK) {
    nextAction = ACTION_SETUP;

  } else if (nextAction == ACTION_SETUP) {
    nextAction = ACTION_WORK;

  }
} // doubleclick