FlightTasks: add getter method for constraints

src/lib/FlightTasks/FlightTasks.cpp

@@ -25,6 +25,16 @@ const vehicle_local_position_setpoint_s FlightTasks::getPositionSetpoint()
 	}
 }
 
+const vehicle_constraints_s FlightTasks::getConstraints()
+{
+	if (isAnyTaskActive()) {
+		return _current_task->getConstraints();
+
+	} else {
+		return FlightTask::empty_constraints;
+	}
+}
+
 int FlightTasks::switchTask(FlightTaskIndex new_task_index)
 {
 	/* switch to the running task, nothing to do */

src/lib/FlightTasks/FlightTasks.hpp

@@ -93,6 +93,12 @@ public:
 	 */
 	const vehicle_local_position_setpoint_s getPositionSetpoint();
 
+	/**
+	 * Get task dependent constraints
+	 * @return setpoint constraints that has to be respected by the position controller
+	 */
+	const vehicle_constraints_s getConstraints();
+
 	/**
 	 * Switch to the next task in the available list (for testing)
 	 * @return true on success, false on error