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Thread: PIR-1 on Raspberry

  1. #1

    Default PIR-1 on Raspberry

    I just started testing out a PIR-1 unit, and cannot get it to work properly on Raspberry.

    The device is recognized and seems to work as far as sending out signals, but I cannot get it to receive or learn anything. When I look in the log I see that when pressing the same button on the remote, I get several messages from the PIR-1 where the message string in completly different between them.

    I moved the PIR-1 to a Windows 7 machine, and there it performed just as expected and received and learned signals consistently.

    Is something missing in my Pi setup or is there a bug in the current Girder release for Pi?

  2. #2
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    That is _very_ strange. I'll have to think about why the different OS gives a different result there. What manufacturer remote are you using?
    Ron
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  3. #3

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    I did try it with a couple of remotes, both one for a Panasonic Plasma and a Microsoft MCE remote.

  4. #4

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    Could this be related to the voltage on the USB cable? I have the PIR-1 (MK1) connected to a powered USB hub on the Pi, maybe changing the PSU for the hub or the hub itself could help?

  5. #5
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    I guess it's possible. Give it a try.
    Ron
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  6. #6

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    That did not make any change. Still the same behaviour.

  7. #7
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    Two more things to check:

    Are you running your instance of girder as the root user?

    Are you running an instance of the back-end at the same time you are running a local instance?

  8. #8

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    Yes girder is running as root.
    I'm running the front end on a (virtual) Windows machine.

  9. #9
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    Hmm ok there is something, I'll check if the split front-end back-end is the problem. So when you try to learn you use the Windows Based UI connected to the backend running on the RPI, while the PIR-1 is connected to the RPI. Is that correct?
    Ron
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  10. #10

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    It's definitely the split front-/back-end. I just tried with a local Girder front end and things seemed work (I was using a remote X11 server, and that was so slow that it was next to useless).

    The thing is that I've been testing both windows and pi in the same way, with a remote front-end. And it did work with the windows machine.

    I see now that what really happens is that the PIR-1 does not show up in the drop-down top left in the learn dialog. See attached screenshot.

    Click image for larger version. 

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