realsense2_camera

[ajinkyamar]

Question

I have a question about the camera and some warnings.

1. Camera : Sometimes, there is no image in the rviz when I have used use_camera=true. However, sometimes, I can see clear picture in rviz. Why does it happen?

Warning messages when there is no image in rviz

[realsense2_camera_node-5] [WARN] [1695820467.039000044] [locobot.camera.camera]: XXX Hardware Notification:Depth stream start failure,1.69582e+12,Error,Hardware Error
[realsense2_camera_node-5] [WARN] [1695820467.039059381] [locobot.camera.camera]: Hardware Notification:Depth stream start failure,1.69582e+12,Error,Hardware Error

[realsense2_camera_node-5] [WARN] [1695820465.019085672] [locobot.camera.camera]: re-enable the stream for the change to take effect.
[realsense2_camera_node-5] [WARN] [1695820465.020565797] [locobot.camera.camera]: Could not set param: rgb_camera.power_line_frequency with 3 Range: [0, 2]: parameter 'rgb_camera.power_line_frequency' could not be set: Parameter {} doesn't comply with integer range.
[realsense2_camera_node-5] [WARN] [1695820465.025894628] [locobot.camera.camera]: re-enable the stream for the change to take effect.

2. Why is there a warning about rgb_camera.power_line_frequency'? This warning appears when the camera works well.

Robot Model

locobot_wx250s

Operating System

Ubuntu 20.04

ROS Version

ROS 2 Galactic

Additional Info

The red light near nuc turns into other mixed flashy colors at all times when use_camera is true.