#include <SoftwareSerial.h>


//Bluetooth for Signal Action
/* Create object named Bluetooth of the class SoftwareSerial */ 
SoftwareSerial Bluetooth(8,9);//tx, rx
char Data;/* storage for serial port data */

//Motor Pin L298N DC
//--------------------

//Input Pin Signal
const int in1=10;
const int in2=11;
const int in3=12;
const int in4=13;

/**
* Jumper Enable A and Enabled B for  Speed Controller
* Value=> 0%=0 , 25%=64, 50%=127, 75%=191, 100% = 255
*/
const int ena=A0; //enabled A
//const int enb=A1; //enabled B




void setup() {
  pinMode(in1,OUTPUT);
  pinMode(in2,OUTPUT);
  pinMode(in3,OUTPUT);
  pinMode(in4,OUTPUT);
  Serial.begin(9600);///* Define baud rate for serial communication */..USB communication and serial key id
  Bluetooth.begin(9600);/* Define baud rate for software serial communication */
  //Serial.println("Started");
}

void loop() {

      if(Bluetooth.available()) {
        Data=Bluetooth.read();
        if (Data==('L')) {
            //LEFT WHEEL
            digitalWrite(in4, HIGH);
            digitalWrite(in3, LOW);
            digitalWrite(in2, LOW);
            digitalWrite(in1, LOW);
        }
        else if (Data == 'R') {
            //RIGHT WHEEL
            digitalWrite(in4, LOW);
            digitalWrite(in3, LOW);
            digitalWrite(in2, HIGH);
            digitalWrite(in1, LOW);

        }
        else if (Data == 'F') {
          //FORWARD WHEEL
          digitalWrite(in4, LOW);
          digitalWrite(in3, HIGH);
          digitalWrite(in2, LOW);
          digitalWrite(in1, HIGH);
        }
        else if (Data == 'B') {
          //BACKWARD WHEEL
          digitalWrite(in4, HIGH);
          digitalWrite(in3, LOW);
          digitalWrite(in2, HIGH);
          digitalWrite(in1, LOW);
        }
        else if (Data==('S')) {
          //STOP WHEEL
          digitalWrite(in4, LOW);
          digitalWrite(in3, LOW);
          digitalWrite(in2, LOW);
          digitalWrite(in1, LOW);
        }
        else if (Data=='T'){
          analogWrite(ena,255); //Turbo
          //analogWrite(enb,255); Turbo
        }
        else {
          //STOP WHEEL
          digitalWrite(in4, LOW);
          digitalWrite(in3, LOW);
          digitalWrite(in2, LOW);
          digitalWrite(in1, LOW);
        }
      }
}