ros2 launch mavros apm.launch 新打开一个终端运行myserial_node订阅者节点 ros2 service call /mavros/set_stream_rate mavros_msgs/StreamRate "{stream_id: 0, message_rate: 10, on_off: true}" sudo chmod 777 /dev/ttyUSB0 ros2 run myserial_pkg myserial_node 运行效果: ROS2节点myserial_node...