int const UP_BTN = 2;
int const DOWN_BTN = 4;
int const LEFT_BTN = 5;
int const RIGHT_BTN = 3;
int const E_BTN = 6;
int const F_BTN = 7;
int const JOYSTICK_BTN = 8;
int const JOYSTICK_AXIS_X = A0;
int const JOYSTICK_AXIS_Y = A1;
int buttons[] = {UP_BTN, DOWN_BTN, LEFT_BTN, RIGHT_BTN, E_BTN, F_BTN, JOYSTICK_BTN};
int line = 1;

void setup() {
  Serial.begin(9600);
  Serial.println("Serial Started");
  for (int i=0; i < 7; i++)  pinMode(buttons[i], INPUT_PULLUP);
  Serial.println("Finished pin setup");
  delay(2000);
}

void loop() {
  Serial.print(line);
  Serial.print(". Yeet!\n");
  
  Serial.print("UP="),Serial.println(digitalRead(UP_BTN));
  Serial.print("DOWN="),Serial.println(digitalRead(DOWN_BTN));
  Serial.print("LEFT="),Serial.println(digitalRead(LEFT_BTN));
  Serial.print("RIGHT="),Serial.println(digitalRead(RIGHT_BTN));
  Serial.print("E="),Serial.println(digitalRead(E_BTN));
  Serial.print("F="),Serial.println(digitalRead(F_BTN));
  Serial.print("JOYSTICK BTN="),Serial.println(digitalRead(JOYSTICK_BTN));

  // Joystick range is from 0 to 653 +- 1
  // Center is about 323 +- 2. A deadzone of 10 or 20 should be safe.
  Serial.print("X: ");
  Serial.println(analogRead(JOYSTICK_AXIS_X));
  Serial.print("Y: ");
  Serial.println(analogRead(JOYSTICK_AXIS_Y)); 
  line++;
  delay(150);
}