#include <Joystick.h>

Joystick_ Joystick;

const int BUTTON_1 = 5;
const int BUTTON_2 = 6;

void setup() {
  pinMode(BUTTON_1, INPUT_PULLUP);
  pinMode(BUTTON_2, INPUT_PULLUP);

  Joystick.begin();
}

int old_val_1 = 0;
int old_val_2 = 0;

void checkButton1() {
  int val_1 = !digitalRead(BUTTON_1);
  if (val_1 != old_val_1) {
    Joystick.setButton(0, val_1);
    old_val_1 = val_1;
  }
  delay(10);
}

void checkButton2() {
  int val_2 = !digitalRead(BUTTON_2);
  if (val_2 != old_val_2) {
    Joystick.setButton(1, val_2);
    old_val_2 = val_2;
  }
  delay(10);
}

void loop() {
  checkButton1();
  checkButton2();
}