add control output for tilting rotors

src/modules/vtol_att_control/vtol_att_control_main.cpp

@@ -176,7 +176,7 @@ private:
 	bool flag_idle_mc;		//false = "idle is set for fixed wing mode"; true = "idle is set for multicopter mode"
 	unsigned _motor_count;	// number of motors
 	float _airspeed_tot;
-
+	float _tilt_control;
 //*****************Member functions***********************************************************************
 
 	void 		task_main();	//main task
@@ -241,6 +241,7 @@ VtolAttitudeControl::VtolAttitudeControl() :
 
 	flag_idle_mc = true;
 	_airspeed_tot = 0.0f;
+	_tilt_control = 0.0f;
 
 	memset(& _vtol_vehicle_status, 0, sizeof(_vtol_vehicle_status));
 	_vtol_vehicle_status.vtol_in_rw_mode = true;	/* start vtol in rotary wing mode*/
@@ -521,6 +522,7 @@ void VtolAttitudeControl::fill_mc_att_control_output()
 	//set neutral position for elevons
 	_actuators_out_1.control[0] = _actuators_mc_in.control[2];	//roll elevon
 	_actuators_out_1.control[1] = _actuators_mc_in.control[1];;	//pitch elevon
+	_actuators_out_1.control[4] = _tilt_control;	// for tilt-rotor control
 }
 
 /**