sensor_b

package br.follow_line;
import lejos.nxt.*;
public class seguidor implements Runnable{
    private int valor_medio;
    TouchSensor touch_a = new TouchSensor(SensorPort.S2);
    TouchSensor touch_b = new TouchSensor(SensorPort.S3);
    public void run(){
        try {
            Thread.sleep(1000);
            valor_medio = ((major.branco - major.preto)/2) + major.preto;

            do{
                if (touch_a.isPressed()){
                    if (major.light.getNormalizedLightValue() < valor_medio){
                        Motor.A.setPower(40);
                        Motor.A.backward();
                        Motor.B.stop();
                        System.out.println("1");
                    }
                    else{
                        Motor.B.setPower(40);
                        Motor.B.backward();
                        Motor.A.stop();
                        System.out.println("1");
                    }
                }
                else if (touch_b.isPressed()){
                    if (major.light.getNormalizedLightValue() < valor_medio){
                        Motor.B.setPower(40);
                        Motor.B.backward();
                        Motor.A.stop();
                        System.out.println("2");
                    }
                    else{
                        Motor.A.setPower(40);
                        Motor.A.backward();
                        Motor.B.stop();
                        System.out.println("2");
                    }
                }
                else{
                    System.out.println("Erro no Controle On/Off");
                }
            }while(true);
        }
        catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}