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    Starling 2 Max TOF Depth Data Not Publishing

    Image Sensors
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    • Jing YuJ
      Jing Yu @Jing Yu
      last edited by Jing Yu

      Here is the output of voxl-camera-server -l, which shows that the system detects 5 cameras, including the TOF sensor:
      4.png
      5.png

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      • T
        teddy.zaremba @Jing Yu
        last edited by

        Hi @Jing-Yu,

        Does the feed for tof_depth change when you move your drone?

        Jing YuJ 1 Reply Last reply Reply Quote 0
        • Jing YuJ
          Jing Yu @teddy.zaremba
          last edited by

          @teddy-zaremba
          No, only tof_IR responds. tof_depth always shows 0 no matter what I do or how I move the drone.

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          • T
            teddy.zaremba @Jing Yu
            last edited by teddy.zaremba

            @Jing-Yu what SDK are you using? My TOF is working with SDK 1.4.5. I'll try to replicate your setup the best I can but I'm suspicious because the TOF IR is working and the TOF depth pipe is receiving frames in your setup. In the meantime, can you try pointing the TOF sensor at something very far away?

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            • Jing YuJ
              Jing Yu @teddy.zaremba
              last edited by

              @teddy-zaremba
              Hi,

              Thanks for your message.

              I'm currently using SDK version 1.4.1, as shown in the screenshot below.

              To be honest, I'm not entirely sure whether the TOF IR output is functioning normally, since I don’t know what the expected output should look like. My TOF IR view shows some noise and scattered light spots in the image — I’ve attached a screenshot below for reference.

              Additionally, I’ve pointed the TOF sensor at a wall approximately 10 meters away, but there was no visible response or change in the output.
              6.png
              7.png

              Jing YuJ 1 Reply Last reply Reply Quote 0
              • Jing YuJ
                Jing Yu @Jing Yu
                last edited by Jing Yu

                To Modalai Team:

                Regarding your first question — when I switch to the TOF Depth view in Portal, the screen is always completely black, and the depth values stay at 0. There is no visible image or noise.

                For the second point, I’ve attached several photos of the entire drone from multiple angles, including the TOF sensor and its cabling. Hopefully, this gives enough visual context to check for any physical issues.

                As for the third question — I’ve tested the other image sensors, and they are all functioning normally. Only the TOF sensor appears to be non-functional.
                媒體 (11).jpg
                媒體 (10).jpg
                媒體 (9).jpg
                媒體 (8).jpg
                媒體 (7).jpg
                媒體 (6).jpg
                媒體 (5).jpg
                媒體 (4).jpg

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                • T
                  teddy.zaremba @Jing Yu
                  last edited by teddy.zaremba

                  Hi @Jing-Yu,

                  It looks like your TOF sensor might be out of focus.

                  This is what normal output looks like:
                  3b8e7997-191a-4658-9234-cd9bcf588055-image.png

                  You can change the focus by rotating the ring around the TOF sensor. You might want to use a set of pliers but be careful not to scratch the glass.

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                  • Jing YuJ
                    Jing Yu @teddy.zaremba
                    last edited by

                    Hello ,@teddy-zaremba
                    We tried rotating the ring around the TOF sensor as you suggested, but there was no noticeable change in the focus. Since we don’t have much experience adjusting hardware manually, we’re a bit worried about damaging the lens.

                    Could you please confirm which exact part of the sensor we should be rotating? I’ve attached a photo of our TOF sensor here so you can point out the correct area to adjust.

                    媒體 (5).jpg

                    Jing YuJ 1 Reply Last reply Reply Quote 0
                    • Jing YuJ
                      Jing Yu @Jing Yu
                      last edited by

                      In addition, we have updated the SDK to the latest version (1.4.5).
                      We also tried closing the rangefinder server and enabling the lepton server, but still did not receive any response (please see the attached screenshot).
                      影像 (1).jpg
                      影像 (1).png

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                      • T
                        teddy.zaremba @Jing Yu
                        last edited by

                        @Jing-Yu This is the tof camera - the ring around it rotates. I'd watch the output on voxl-portal for TOF-IR as you're rotating it to see if it has any impact.

                        3bf8773e-3633-49e3-b911-ee060a6a5dd4-image.png

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