ros_minibot_ws/src/robot_demo/launch/drive_square.launch

<!--
 * @Author: adam_zhuo,corvin_zhang
 * @Date: 2021-04-30 11:16:35
 * @Description: 启动走正方形节点
 * @History: 20210430:初始化文件-adam_zhuo
 *  20220810:在启动小车走正方形节点前,先将robot_bringup.launch启动;
-->
<launch>
  <!-- load param -->
  <arg name="cfg_file" default="$(find robot_demo)/cfg/drive_square.yaml" />

  <!-- launch robot_bringup.launch -->
  <include file="$(find robot_bringup)/launch/robot_bringup.launch" />

  <!-- run drive_square_node -->
  <node pkg="robot_demo" type="robot_demo_drive_square_node" name="drive_square_node" output="screen">
    <rosparam file="$(arg cfg_file)" command="load" />
  </node>
</launch>