bluethood motor control

 #include <AFMotor.h>

AF_DCMotor motor1(1);

AF_DCMotor motor2(2);

int command; //Int to store app command state.

int speedCar = 255; // Initial car speed set 0 to 255.

void setup()

{

        Serial.begin(9600);

  Stop();

}

void forward()

{

  motor1.run(FORWARD);

  motor2.run(FORWARD);

  motor1.setSpeed(speedCar);

  motor2.setSpeed(speedCar);

}

void backward()

{

  motor1.run(BACKWARD);

  motor2.run(BACKWARD);

  motor1.setSpeed(speedCar);

  motor2.setSpeed(speedCar);

}

void left()

{

  motor1.run(FORWARD);

  motor2.run(RELEASE);

  motor1.setSpeed(speedCar);

}

void right()

{

  motor1.run(RELEASE);

  motor2.run(FORWARD);

  motor2.setSpeed(speedCar);

}

void forwardRight()

{

  motor1.run(FORWARD);

  motor2.run(FORWARD);

  

  motor1.setSpeed(speedCar);

  motor2.setSpeed(speedCar);

  

}

void Stop()

{

  motor1.run(RELEASE);

  motor2.run(RELEASE);

}

void loop(){

  

if (Serial.available() > 0) {

  command = Serial.read();

  Stop();       //Initialize with motors stopped.

switch (command) {

case 'F':forward();break;

case 'B':backward();break;

case 'R':left();break;

case 'L':right();break;

case 'S':Stop();break;

case '0':speedCar = 0;break;

case '1':speedCar = 25;break;

case '2':speedCar = 50;break;

case '3':speedCar = 75;break;

case '4':speedCar = 100;break;

case '5':speedCar = 125;break;

case '6':speedCar = 150;break;

case '7':speedCar = 175;break;

case '8':speedCar = 200;break;

case '9':speedCar = 225;break;

case 'q':speedCar = 255;break;

}}}