//(1/Clock)*4*T2div*(PR2+1) = Periodo
   setup_ccp1(CCP_OFF);
   setup_timer_2(T2_DIV_BY_1,82,1);      //Frecuencia de 30120 Hz
   setup_ccp1(CCP_PWM);

   //duty cycle = value / [4*(PR2+1)]
   set_pwm1_duty(0);