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我正在尝试启动 rplidar，但收到超时错误

tag-icon • tag-icon 20.04 raspberrypi bashrc ros timeout
我正在尝试启动 rplidar，但收到超时错误

我在装有 Ubuntu 20.04 的 Raspberry Pi 4 B 中设置了 ROS noetic。我想用我的 LiDAR 制作地图，所以我首先安装了 rplidar。但是，当我运行时roslaunch rplidar_ros rplidar.launch（执行完 之后source ~/catkin_ws/devel/setup.bash），我的 LiDAR 开始旋转片刻，然后出现此错误：

[ERROR] [1700330979.765364372]: Error, operation time out. RESULT_OPERATION_TIMEOUT! 
[rplidarNode-1] process has died [pid 4674, exit code 255, cmd /home/ubuntu/catkin_ws/devel/lib/rplidar_ros/rplidarNode __name:=rplidarNode __log:=/home/ubuntu/.ros/log/8bff9a04-863c-11ee-8151-1d77f81a905d/rplidarNode-1.log].
log file: /home/ubuntu/.ros/log/8bff9a04-863c-11ee-8151-1d77f81a905d/rplidarNode-1*.log
all processes on machine have died, roslaunch will exit
shutting down processing monitor...
... shutting down processing monitor complete
done

谁能帮帮我吗？

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