#include <ezButton.h>
#include <LibPrintf.h>

#define LOOP_STATE_1_STOPPED 0
#define LOOP_STATE_1_STARTED 1
#define LOOP_STATE_2_STOPPED 0
#define LOOP_STATE_2_STARTED 1

#define ledRunning_1 2
#define ledStopped_1 4
#define ledRunning_2 0
#define ledStopped_2 1

ezButton button_1(7);  // create ezButton object that attach to pin 7;
ezButton button_2(8);

int loopState_1 = LOOP_STATE_1_STOPPED;
int loopState_2 = LOOP_STATE_2_STOPPED;

void setup() {

  Serial.begin(9600);
  button_1.setDebounceTime(50);                // set debounce time to 50 milliseconds
  button_2.setDebounceTime(50);

  pinMode(ledRunning_1, OUTPUT);               // set LED for program running
  pinMode(ledStopped_1, OUTPUT);               // set LED for program stopped
  pinMode(ledRunning_2, OUTPUT);               // set LED for program running
  pinMode(ledStopped_2, OUTPUT);               // set LED for program stopped

}

void loop() {

  button_1.loop();                             // MUST call the loop() function first
  button_2.loop();

  if (button_1.isPressed()) {

    if (loopState_1 == LOOP_STATE_1_STOPPED)

      loopState_1 = LOOP_STATE_1_STARTED;

    else                                     // if(loopState == LOOP_STATE_STARTED)

      loopState_1 = LOOP_STATE_1_STOPPED;

  }

  if (button_2.isPressed()) {

    if (loopState_2 == LOOP_STATE_2_STOPPED)

      loopState_2 = LOOP_STATE_2_STARTED;

    else                                     // if(loopState == LOOP_STATE_STARTED)

      loopState_2 = LOOP_STATE_2_STOPPED;

  }

  if (LOOP_STATE_1_STARTED){

    digitalWrite(ledRunning_1, HIGH);
    digitalWrite(ledStopped_1, LOW);

  } else {

    digitalWrite(ledRunning_1, LOW);
    digitalWrite(ledStopped_1, HIGH);


  }


}