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L515 doesn't work on Rpi4

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Kashish Dhal

Hello Team,

 

I have been using L515 depth camera on my System76 (Ubuntu 18) PC over the ROS network and it works well but when I tried to connect it with Rpi4 it doesn't work anymore. Please see below:

I found a suggestion on github to add a file to the etc/udev/rules.d folder but unfortunately that didn't work either.

So I wanted to ask if Rpi4 supported for this camera's ROS driver? Or if it only work with x86 computers? If If it doesn't work with ARM based computers then please recommend which are light weight and low energy consumption SBC I can purchase to make it work with my robot?

 

Regards,

Kashish Dhal

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11 comments

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  • Kashish Dhal

    Let me rephrase my question, how will I be able to see /camera/color/image_raw topic? I only see the depth topics. I have launched using rs_camera.launch. Please let me know how will I be able to resolve this.

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  • Kashish Dhal

    Hello Rizal,

     

    There is a problem in launch file, please see this:

    https://github.com/IntelRealSense/realsense-ros/issues/1523

     

    I have created a pull request if you want to correct this:

    https://github.com/IntelRealSense/realsense-ros/pull/1536

     

    Regards,

    Kashish Dhal

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  • Kashish Dhal

    And I forgot to mention that I am using Ubuntu 18.04 on Rpi4 (not raspbian OS)

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  • Rizal Marzuki

    Hi Kashish Dhal,

     

    Are you able to run the examples from RealSense SDK? It is to check whether the ROS or the USB interface is having an issue.

     

    I will try to replicate your issue but it may take some time.

     

    Regards,

    Rizal

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  • Kashish Dhal

    Hello Rizal,

     

    I was not able to run RealSense SDK on Rpi. Is it supported? I tried to google it and somewhere I saw that it is only supported for x86 architecture.

    If it is supported then I can also try to debug it at my end in parallel to your help. Please let me know. What FPS am I looking at on Rpi4 USB 3?

    Regards,

    Kashish Dhal

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  • Kashish Dhal

    Also, I was installing the realsense library from the apt-get command. Do I need to install it from source? I saw an article here: https://dev.intelrealsense.com/docs/using-depth-camera-with-raspberry-pi-3?_ga=2.193729129.55538037.1605672736-1071847165.1588106648

     

    Should I try to follow this?

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  • Rizal Marzuki

    Hi Kashish Dhal,

     

    Yes, please do try install it from source as the apt-get command probably downloads binaries compiled for x86/Amd64 architecture.

    Compiling it from source should compile it to the ARM architecture on PI.

     

    Regards,

    Rizal

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  • Rizal Marzuki

    Hi Kashish Dhal,

     

    I was able to install and run the RealSense Viewer on Raspberry Pi 4 (4GB Ram) running Ubuntu Mate Desktop 20.10 (codename groovy) using the Linux installation instruction linked in the article.

     

    Are you able to get Realsense viewer or any other examples to run?

     

    Regards.

    Rizal

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  • Kashish Dhal

    Hello Rizal,

     

    Yes, camera works with ROS now after installation of the libraries from the source. Thanks for the help!

     

    Regards,

    Kashish Dhal

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  • Kashish Dhal

    Hello Rizal,

     

    How can I get RGB image over the ROS along with the depth image?

     

    Regards,

    Kashish Dhal

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  • Rizal Marzuki

    Hi Kashish Dhal,

     

    I apologize for taking a long time replicating your issue.

    I managed to install RealSense-ros using these instructions.

    I launched using 

    roslaunch realsense2_camera rs_camera.launch

     

    I managed to see the camera/color/image_raw topic using rostopic list .

    Are you able to get the topic?

    However, I replicated mine using Ubuntu Server 20.4 LTS with desktop package installed for ease of use.

    As I am using 20.4, I installed Neotic ROS.

     

    Regards,

    Rizal

     

     

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