ydlidar_ros2_driver_node: ros__parameters: port: /dev/ttyUSB0 frame_id: laser_frame ignore_array: "" baudrate: 512000 lidar_type: 1 device_type: 0 sample_rate: 18 abnormal_check_count: 4 fixed_resolution: true reversion: true inverted: true auto_reconnect: true isSingleChannel: false intensity: false support_motor_dtr: false angle_max: 180.0 angle_min: -180.0 range_max: 25.0 range_min: 0.1 frequency: 10.0 invalid_range_is_inf: false