#define VERT 4
#define HORZ 2
#define SEL 15

#define NORTE 14
#define SUL 12
#define LESTE 27
#define OESTE 13

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  // Serial.println("Hello, ESP32!");

  pinMode(VERT, INPUT);
  pinMode(HORZ, INPUT);
  pinMode(SEL, INPUT_PULLUP);

  pinMode(NORTE, OUTPUT);
  pinMode(SUL, OUTPUT);
  pinMode(LESTE, OUTPUT);
  pinMode(OESTE, OUTPUT);
}

void loop() {
  // Serial.print("VERT: ");
  // Serial.print(analogRead(VERT));
  // Serial.print("| HORZ: ");
  // Serial.print(analogRead(HORZ));
  // Serial.print("| SEL: ");
  // Serial.println(digitalRead(SEL));

  Serial.println(digitalRead(SEL) ? "" : "A");

  if (digitalRead(SEL)==LOW) {
    digitalWrite(LESTE, HIGH);
    digitalWrite(OESTE, HIGH);
  }
  else if (analogRead(HORZ)<2048) {
    digitalWrite(LESTE, HIGH);
    digitalWrite(OESTE, LOW);
  }
  else if (analogRead(HORZ)>2048) {
    digitalWrite(LESTE, LOW);
    digitalWrite(OESTE, HIGH);
  }
  else {
    digitalWrite(LESTE, LOW);
    digitalWrite(OESTE, LOW);
  }

  if (digitalRead(SEL)==LOW) {
    digitalWrite(NORTE, HIGH);
    digitalWrite(SUL, HIGH);
  }
  else if (analogRead(VERT)>2048) {
    digitalWrite(NORTE, HIGH);
    digitalWrite(SUL, LOW);
  }
  else if (analogRead(VERT)<2048) {
    digitalWrite(NORTE, LOW);
    digitalWrite(SUL, HIGH);
  }
  else {
    digitalWrite(NORTE, LOW);
    digitalWrite(SUL, LOW);
  }
  
  delay(10); // this speeds up the simulation
}