ros2 foxy 运行 ros2 run usb_cam usb_cam_node_exe

板卡使用 新手上路
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1

ros2 run usb_cam usb_cam_node_exe

[INFO] [1672317097.868193768] [usb_cam]: camera_name value: default_cam

[WARN] [1672317097.868701993] [usb_cam]: framerate: 10.000000

[INFO] [1672317097.882498675] [usb_cam]: using default calibration URL

[INFO] [1672317097.882686396] [usb_cam]: camera calibration URL: file:///root/.ros/camera_info/default_cam.yaml

[ERROR] [1672317097.883022644] [camera_calibration_parsers]: Unable to open camera calibration file [/root/.ros/camera_info/default_cam.yaml]

[WARN] [1672317097.883111569] [usb_cam]: Camera calibration file /root/.ros/camera_info/default_cam.yaml not found

[INFO] [1672317097.883251058] [usb_cam]: Starting ‘default_cam’ (/dev/video0) at 640x480 via mmap (yuyv) at 10 FPS

[ERROR] [1672317097.892144336] [usb_cam]: /dev/video0 is no video capture device

[INFO] [1672317097.892349133] [usb_cam]: This Cameras Supported Formats:

[INFO] [1672317097.892615741] [usb_cam]: starting timer 100

2

您好

default_cam’ (/dev/video0) 这个是不对的，要打开video8

从打印看是不是跟的参数不对的

3

你好，请指名示例名称，板端的usb camera 是video8

4

ros2 run usb_cam usb_cam_node_exe

这个是ros的USB摄像头 驱动 如何更改为vido8？？

5

试试加上sudo,看着是有些文件读取不正确的