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[L515 sensor] No "color" frame with sample SDK exmaple, while default viewer (Intel.RealSense.Viewer.exe) shows "color" frame well. #12674
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p.s. |
Hi @JeongJunLee Could you first try unplugging the micro-sized end of the USB cable from the base of the camera, reversing the connector's orientation and plugging it back into the L515 camera, please (USB-C cables are two-way insertion at the micro-sized end). Does doing this make any difference? What is the name of the sample SDK app that you are using, please? |
Hello MartyG, Thank you for quick reply. "Unplugging and reversing the orientation and re-plugging the micro-sized end of USB cable to the camera" But, "Unplugging and re-plugging the PC side USB port (type A)" made difference.!! Immediate problem is solved. Do you know the root cause of it, and could you give us any solution which solves this issue fundamentely? |
If the problem is at the full-size USB-A port rather than the micro-sized USB-C port then you could try resetting the camera when the program is run with a hardware_reset() instruction, like in the C++ code example for doing so at #2161 (comment) |
Hi MartyG, Thank you for your advice.
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When you run your script, are there any other programs active that are already using the camera? Your script should be the only RealSense program that is running. |
No other programs are active. |
You mentioned at the beginning of this case that you tested a sample SDK app without modifying its source code. Which app did you test, please? Does the color image appear if you test the C++ rs-capture app please? If you have installed the full version of the RealSense SDK using the Intel.RealSense.SDK-WIN10 installer program then you can find a pre-built executable version - rs-capture.exe - in the SDK's 'Tools' folder at |
Hello Marty-G, What I used was "rs-pointcloud". I tested the pre-built apps of both "rs-pointcloud.exe" and "rs-capture.exe" in During a few days, I tried to reproduce the error and
Most important fact is So I feel that I found a solution (4. above) anyway. :) I really appreciate your time and support. Anyway, I think this issue is resolved and can be closed. |
You are very welcome. Thanks so much @JeongJunLee for the detailed feedback. As you suggested, I will close the issue. Thanks again! |
I connected the device (L515) into USB3.0 correctly.
With Intel.RealSense.Viewer.exe, I can successfully preview all images (color, depth, ir..).
But when I execute sample SDK app without modifying any source code,
there is NO valid color frame, but only ir frame!!!
And if I try starting pipe using configuration with "color stream", pipe.start() fails with exception.
I suppose there are some "error handling codes" inside Intel.RealSense.Viewer.exe.
Anyway, please can you help me with this problem?
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