bizhang_-obav/launch/mavros_sitl.launch

<launch>
<!-- MAVROS launch script for deprecated multiplatform SITL -->

<arg name="ns" default="/" />
<arg name="fcu_url" default="udp://localhost:14560@localhost:14565" />
<arg name="gcs_url" default="" />
<arg name="tgt_system" default="1" />
<arg name="tgt_component" default="50" />

<group ns="$(arg ns)">
	<include file="$(find mavros)/launch/node.launch">
		<arg name="pluginlists_yaml" value="$(find mavros)/launch/px4_pluginlists.yaml" />
		<arg name="config_yaml" value="$(find mavros)/launch/px4_config.yaml" />

		<arg name="fcu_url" value="$(arg fcu_url)" />
		<arg name="gcs_url" value="$(arg gcs_url)" />
		<arg name="tgt_system" value="$(arg tgt_system)" />
		<arg name="tgt_component" value="$(arg tgt_component)" />
	</include>
</group>
</launch>