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D455 camera cannot get imu msg from rostopic #3121
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Hi @Hanning-Liu If you are using ROS1 Noetic with the 2.3.2 ROS1 wrapper then your librealsense SDK version should be 2.50.0 or 2.51.1 and your firmware driver version should be 5.13.0.50. This is because the ROS1 wrapper is no longer updated (only the ROS2 wrapper is actively updated), so the ROS1 wrapper has not been updated for recent librealsense and firmware versions. |
@MartyG-RealSense Thank you for your help! I can get the IMU data from
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The most recent librealsense version meant to be used with wrapper 2.3.2 is 2.51.1. However, if the wrapper works well with 2.3.2 on your particular computer then the mis-match between versions does not matter. I'm pleased to hear that you were successful :) |
Hi @Hanning-Liu Do you require further assistance with this case, please? Thanks! |
@MartyG-RealSense Thank you for your help! Please close this issue! |
You are very welcome. Thanks very much :) |
@Hanning-Liu @MartyG-RealSense I'm running into a similar issue. How did you update the librealsense to 2.55.1? I can't figure out how to build realsense-ros 2.3.2 with any other version than librealsense 2.50.0 |
Hi @kevin-chau A simple way to build librealsense 2.55.1 would be to use the libuvc backend build script at the link below. https://github.com/IntelRealSense/librealsense/blob/master/doc/libuvc_installation.md You would then have to build the ROS wrapper 2.3.2 from source code afterwards using the Method 2 instructions. I should emphasize though that 2.55.1 is not designed for use with wrapper 2.3.2 as it should be used with 2.50.0 or 2.51.1. 2.55.1 and firmware 5.16.0.1 do sometimes work with 2.3.2 though, even though they are not meant to. |
OK thanks! I'll try to build 2.51.1 with wrapper 2.3.2. |
Issue Description
I launch my D455 camera using this launch file:
I get this after I launch it:
I can see the rostopics are published:
But I cannot get any message from the topic:
Why could this happen, how to solve it? Thanks for your help in advance!
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