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Trouble using multiple laser filament monitors under RRF3

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  • undefined
    kinta
    last edited by 2 Oct 2019, 09:35

    Hi guys, I'm having trouble using multiple laser filament monitors under RRF3.

    Under the following conditions I am able to run 6 monitors at the same time in any configuration without trouble.
    Firmware Name: RepRapFirmware for Duet 2 Wifi/Ethernet
    Firmware Electronics: Duet Wifi 1.02 or later + DueX5
    Firmware Version: 2.04RC1 (2019-07-14b1)
    WiFi Server Version: 1.23
    Web Interface Version: 1.22.5
    Laser Filament Monitor: Version 1.7
    Inputs: xstop, ystop, zstop, e1stop, (e3stop, e4stop, e5stop - without DueX5), e10stop (enc_b) & e11stop (enc_a)

    However, when using RRF3, I start running into trouble.
    Firmware Version: 3.0beta10
    Inputs: xstop, ystop, zstop, e1stop, (duex.cs5, duex.cs6, duex.cs7, duex.cs8), connlcd.encb & connlcd.enca

    I'm able to run with all 6 monitors electrically connected and any 2 enabled & giving readback. However, if I try to enable a third, I get intermittent system restarts (particularly when homing). Sorry I don't have a fully functioning system, so I can't print anything yet. If I try & enable 4 or more, the system gets stuck in a reboot loop and won't start.

    If your able to look into this & release a fix in a later version (assuming that I haven’t stuffed up) that would be great.
    config RRF3 (2019-09-27).g

    Thanks.

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    • undefined
      dc42 administrators
      last edited by dc42 10 Feb 2019, 15:27 2 Oct 2019, 15:26

      Perhaps memory is running out. If you configure 2 filament monitors and run M122, how much Never Used RAM does it report? What is the figure with 3 monitors configured? It may be helpful to try this using RRF2 as well as RRF3.

      Duet WiFi hardware designer and firmware engineer
      Please do not ask me for Duet support via PM or email, use the forum
      http://www.escher3d.com, https://miscsolutions.wordpress.com

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      • undefined
        kinta
        last edited by 3 Oct 2019, 12:13

        You’ve hit the nail on the head.

        RAM.PNG

        My only question now is what can be done (I’d really like to be able to run 6 monitors & the XY&Z Endstops)?
        Is it possible to configure the XY&Z Endstops on the DueX5 under RRF2?
        I’m assuming freeing up enough memory in RRF3 is not going to be an option.

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        • undefined
          dc42 administrators
          last edited by 3 Oct 2019, 12:23

          The question is, why does RRF3 use about 8.8K more memory than RRF2. I will look into that.

          Duet WiFi hardware designer and firmware engineer
          Please do not ask me for Duet support via PM or email, use the forum
          http://www.escher3d.com, https://miscsolutions.wordpress.com

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          • undefined
            dc42 administrators
            last edited by 7 Oct 2019, 12:14

            I've found and fixed one of the reasons for the excessive memory usage of RRF3 on Duet 2, saving 3K. I still need to find the reason for most of the remaining ~5.8K.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

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            • undefined
              kinta
              last edited by 8 Oct 2019, 08:57

              Sounds great & thanks for looking into this. I look forward to trying it out once you've had time to track down the remaining memory.

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              • undefined
                dc42 administrators
                last edited by 8 Oct 2019, 14:12

                I saved another 4K of RAM in the Duet 2 builds. New RRF3 release coming soon, perhaps tomorrow.

                Duet WiFi hardware designer and firmware engineer
                Please do not ask me for Duet support via PM or email, use the forum
                http://www.escher3d.com, https://miscsolutions.wordpress.com

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                • undefined
                  kinta
                  last edited by 28 Oct 2019, 10:16

                  Thanks @dc42 all is looking good with the new update.

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