#include "BluetoothSerial.h"

#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
#endif

BluetoothSerial BT;

void setup() {
Serial.begin(9600);
BT.begin(9600);
pinMode(22, OUTPUT);
pinMode(23, OUTPUT);
pinMode(21, OUTPUT);///pwm
}

void adelante(){
digitalWrite(22, HIGH);
digitalWrite(23, LOW);
analogWrite(21,255);
}

void retroceder(){
digitalWrite(22, LOW);
digitalWrite(23, HIGH);
analogWrite(21,255);
}

void detener(){
digitalWrite(22, LOW);
digitalWrite(23, LOW);
analogWrite(21,255);
}

void loop() {
  if(BT.available()){
    char mensaje = BT.read();
    Serial.println(mensaje);
    if(mensaje == F){
       adelante();
    }

    if(mensaje == B){
      retroceder();
    }

    if(mensaje == T){
      detener();
    }


  }
}