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    Camera server dying with new MIPI extension cables.

    VOXL-CAM
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    • V
      viralp
      last edited by viralp 9 Jun 2023, 19:01 9 Jun 2023, 19:00

      Hello,

      I received a shipment of MIPI extension cables (14.5 cm) few weeks ago. Turns out the camera server keeps dying when I use those cables. Before using the long extension cables, I rigged many small cables and tested but the camera server didn't die. This confirmed that the port on the voxl and the camera is not the issue. While connecting the new cable, the voxl-camera-server starts but dies after a short time (~ 15 secs).

      Can you please help me with this issue and tell why this would happen. I'm handling the cable with extreme care and making sure that I don't bend it 90degs. But still a fresh piece right out the ESD bag does not work for a long time.

      Can somebody please help me what to do?

      Thanks

      S V A 3 Replies Last reply 14 Jun 2023, 15:17 Reply Quote 0
      • S
        Steve Turner @viralp
        last edited by 14 Jun 2023, 15:17

        @viralp Make sure you confirm the cable orientation remains the same as with the shorter cables. If the pins flip, the camera server will start and fail.

        Also, sometimes interference at a certain length can cause issues. Also a debug log of the camera server would be helpful by running the camera server with the debug flag.

        -d, --debug-level       : Log debug level (Default 2)
                              0 : Print verbose logs
                              1 : Print >= info logs
                              2 : Print >= warning logs
                              3 : Print only fatal logs
        
        1 Reply Last reply Reply Quote 0
        • V
          Vinny ModalAI Team @viralp
          last edited by 15 Jun 2023, 17:10

          Hi @viralp
          Can you please send a picture of your setup?
          Ideally if you have a "before" image (when you said it worked) and an "after" setup image.
          If you revert back to the other cables, does your system still work as expected/before?

          Thanks!

          1 Reply Last reply Reply Quote 0
          • G
            Gary Holmgren
            last edited by 30 Apr 2024, 06:03

            I am having this exact issue, the rear stereo pair works fine and the camera server starts up without the extension cable and when booting up with the extension in place(correct pin orientation and cable direction) it fails. I have two brand new unused MIPI cables as well, both dont work...

            1 Reply Last reply Reply Quote 0
            • A
              Alex Kushleyev ModalAI Team @viralp
              last edited by 30 Apr 2024, 20:30

              @viralp , please let us know what camera you are actually connecting to the extension cable, which camera connector on VOXL2 you are using (J6, J7, or J8 and which part (upper or lower)).

              https://docs.modalai.com/voxl2-camera-configs/#overview

              Also which VOXL2 SDK you are using. Thanks.

              Alex

              V 1 Reply Last reply 17 May 2024, 12:53 Reply Quote 0
              • V
                viralp @Alex Kushleyev
                last edited by 17 May 2024, 12:53

                @Alex-Kushleyev Sorry for the late response. I had this issue a long time ago. At the time I was working with IMX377 Hires camera from Modal AI and I was using Voxl1 and not Voxl2.

                Unfortunately, I didn't find a reason for a single 14.5cm cable not working, but connecting two 6cm cables was working so I continued my testing with that.

                Thanks!

                M 1 Reply Last reply 17 May 2024, 15:35 Reply Quote 0
                • M
                  Moderator ModalAI Team @viralp
                  last edited by 17 May 2024, 15:35

                  @viralp https://docs.modalai.com/image-sensor-flexes-adapters/#extending-mipi-image-sensor-cable-lengths

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