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Duet3/pi DCS is unavailable after wiring 24V

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Duet Hardware and wiring
duet 3 rasberry pi
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  • ?
    A Former User
    last edited by 13 Apr 2020, 07:58

    looks like you maybe captured the wrong network interface? admittedly instructions were a bit lackluster.

    i'll be in later, for now its blue skies and a "strange bright light" outside:)

    undefined 1 Reply Last reply 13 Apr 2020, 08:03 Reply Quote 0
    • undefined
      fractalengineer @A Former User
      last edited by 13 Apr 2020, 08:03

      @bearer I don't think so? This is the only interface that gives no pulse until I turn on the networking service on the Duet

      5bd81788-bc7d-4afb-9354-10f3136a9783-image.png

      Railcore II ZL

      1 Reply Last reply Reply Quote 0
      • ?
        A Former User
        last edited by 13 Apr 2020, 08:07

        I'm not seeing any traffic to suggest there is a Duet on the network; nor any traffic with the IP shown in the serial output.

        if you enter a display filter of ip.addr == 192.186.0.11 and hit enter (after starting the capture), you can verify you're getting the right stuff.

        c4802212-976e-4ecb-a2ed-4ade5eda16d8-image.png

        1 Reply Last reply Reply Quote 0
        • ?
          A Former User
          last edited by 13 Apr 2020, 08:13

          I assumed the network was okay as you've shown the browser loading the DWC page; but you're setting a static IP and have both wired and wireless network.

          Can you elaborate a little on how its all connected, and maybe run route print on the computer to see how the networking is configures?

          undefined 2 Replies Last reply 13 Apr 2020, 08:26 Reply Quote 0
          • undefined
            fractalengineer @A Former User
            last edited by 13 Apr 2020, 08:26

            @bearer well I don't know what to say;

            -The duet is wired to my laptop using an ethernet cable
            -Laptop is connected to wifi router
            -I set M552 with a static address because M552 S1 P0.0.0.0 doesn't return a dynamic IP; nothing shows on my IP scanner either
            -I chose 192.168.0.11 because that's the one Octoprint was always dynamically assigned to on this rpi
            -Even with the static IP, every second time I enter it in the browser I get the DWC loading screen, or a timeout
            -The wireshark filter doesn't return any match
            -route print doesn't show any 192.168.0.11

            So it looks like all I can do is half access DWC on my browser, but it doesn't show any traffic?

            Railcore II ZL

            1 Reply Last reply Reply Quote 0
            • undefined
              fractalengineer @A Former User
              last edited by 13 Apr 2020, 08:28

              @bearer here; I can see the DWC loading on my browser, but see the route print:

              C:\Users\titan>route print
              ===========================================================================
              Interface List
              21...00 ff fb 38 05 34 ......TAP-ProtonVPN Windows Adapter V9
              9...04 ea 56 1b 04 f5 ......Microsoft Wi-Fi Direct Virtual Adapter #5
              10...06 ea 56 1b 04 f4 ......Microsoft Wi-Fi Direct Virtual Adapter #6
              20...c4 65 16 9c a3 44 ......Intel(R) Ethernet Connection (7) I219-LM
              12...00 ff 97 d1 70 ad ......Kaspersky Security Data Escort Adapter
              8...04 ea 56 1b 04 f4 ......Intel(R) Wireless-AC 9560 160MHz
              17...04 ea 56 1b 04 f8 ......Bluetooth Device (Personal Area Network)
              1...........................Software Loopback Interface 1
              11...00 00 00 00 00 00 00 e0 Microsoft Teredo Tunneling Adapter
              ===========================================================================
              IPv4 Route Table
              ===========================================================================
              Active Routes:
              Network Destination Netmask Gateway Interface Metric
              0.0.0.0 0.0.0.0 192.168.0.1 192.168.0.12 50
              127.0.0.0 255.0.0.0 On-link 127.0.0.1 331
              127.0.0.1 255.255.255.255 On-link 127.0.0.1 331
              127.255.255.255 255.255.255.255 On-link 127.0.0.1 331
              169.254.0.0 255.255.0.0 On-link 169.254.241.188 291
              169.254.241.188 255.255.255.255 On-link 169.254.241.188 291
              169.254.255.255 255.255.255.255 On-link 169.254.241.188 291
              192.168.0.0 255.255.255.0 On-link 192.168.0.12 306
              192.168.0.12 255.255.255.255 On-link 192.168.0.12 306
              192.168.0.255 255.255.255.255 On-link 192.168.0.12 306
              224.0.0.0 240.0.0.0 On-link 127.0.0.1 331
              224.0.0.0 240.0.0.0 On-link 169.254.241.188 291
              224.0.0.0 240.0.0.0 On-link 192.168.0.12 306
              255.255.255.255 255.255.255.255 On-link 127.0.0.1 331
              255.255.255.255 255.255.255.255 On-link 169.254.241.188 291
              255.255.255.255 255.255.255.255 On-link 192.168.0.12 306
              ===========================================================================
              Persistent Routes:
              None
              IPv6 Route Table
              ===========================================================================
              Active Routes:
              If Metric Network Destination Gateway
              1 331 ::1/128 On-link
              11 331 2001::/32 On-link
              11 331 2001:0:2851:b9f0:28b2:445:3433:563f/128
              On-link
              8 306 fc00::/7 fe80::be3e:7ff:fe67:de22
              8 306 fd00:bc3e:767:de22::/64 On-link
              8 306 fd00:bc3e:767:de22:686c:fd82:6fb9:1280/128
              On-link
              8 306 fd00:bc3e:767:de22:c463:3c86:4104:a35c/128
              On-link
              20 291 fe80::/64 On-link
              8 306 fe80::/64 On-link
              11 331 fe80::/64 On-link
              11 331 fe80::28b2:445:3433:563f/128
              On-link
              20 291 fe80::8dc5:6603:e8cd:f1bc/128
              On-link
              8 306 fe80::c463:3c86:4104:a35c/128
              On-link
              1 331 ff00::/8 On-link
              20 291 ff00::/8 On-link
              8 306 ff00::/8 On-link
              11 331 ff00::/8 On-link
              ===========================================================================
              Persistent Routes:
              None

              Railcore II ZL

              1 Reply Last reply Reply Quote 0
              • ?
                A Former User
                last edited by 13 Apr 2020, 08:35

                (And this is why we say "If you don't like the weather in Bergen wait 5 minutes" ... its snowing now)

                Aaanyways, I suspected something like that after briefly looking at the capture.

                The computer doesn't have any network configured for the wired ethernet interface, so you'd have to set a static IP on the computer as well (and on a different network than 192.168.0.11) OR see if you can connect the ethernet cable from the Duet to your wifi router.

                As to why you can load the front page I can only put down to caching somehow, which I hoped to avoid by using a private or incognito browser window.

                So run the cable to the router or set static IPs for both the duet and the computer, choose something like 192.168.1.11 and 192.168.1.12 for the two (note 0 changed to a 1)

                undefined 1 Reply Last reply 13 Apr 2020, 08:47 Reply Quote 0
                • undefined
                  fractalengineer @A Former User
                  last edited by 13 Apr 2020, 08:47

                  @bearer hey you're from norway 🙂 I visited Oslo once for a weekend while I lived in Sweden; I know what you mean lol

                  Well chief at last we made some progress

                  Connected the duet to the router, dynamic IP assignment worked for the first time, and DWC is FINALLY loading properly, at least locally:

                  20c0523b-a2ac-46d7-894d-f8e1599dd26c-image.png

                  How would I move forward making sure it works when running it through the RPi now?

                  Railcore II ZL

                  ? 1 Reply Last reply 13 Apr 2020, 08:58 Reply Quote 0
                  • ?
                    A Former User @fractalengineer
                    last edited by 13 Apr 2020, 08:58

                    @fractalengineer said in Duet3/pi flashing Diag LED after wiring 24V DCS is unavailable:

                    How would I move forward making sure it works when running it through the RPi now?

                    Not sure, even if the rPi were to suffer similar networking issues it still didn't find the Duet on the SPI bus so we're not gonna make much more progress on that front I suspect.

                    I'd proceed to getting things set up and running as is while the Duet people are working on getting RRF 3.01 to a stable release. The config you make for the Duet in stand alone mode should transfer to using with a pi afaik.

                    undefined 1 Reply Last reply 13 Apr 2020, 09:12 Reply Quote 0
                    • undefined
                      fractalengineer @A Former User
                      last edited by 13 Apr 2020, 09:12

                      @bearer but it worked fine over the pi before; I can't leave the machine wired to the router, I don't need the latest 3.01 either

                      Is there a way to make it work with the pi with RRF 3.0?

                      Railcore II ZL

                      1 Reply Last reply Reply Quote 0
                      • ?
                        A Former User
                        last edited by A Former User 13 Apr 2020, 09:15

                        It should have worked with the clean Pi image and RRF3.0 afaik.

                        I think I missed that it previously worked; what happened when it stopped working?

                        You can go back to the pi and we can chase down the network if thats the problem, but I wouldn't hold my breath.

                        If you don't make any progress on using the Pi as intended, we can turn it into a wifi bridge so you can get on with things without having the cable running to the router. (Or you could set a static ip for your computer - possibly even use internet sharing if your windows has that feature)

                        undefined 1 Reply Last reply 13 Apr 2020, 11:12 Reply Quote 0
                        • undefined
                          fractalengineer @A Former User
                          last edited by 13 Apr 2020, 11:12

                          @bearer thanks, I'd be keen to troubleshoot the network issue on the pi first.

                          I don't think I did anything crazy since it last worked; I had to plug/unplug the ribbon a few times as I was still using that pi for octoprint on another printer while waiting for the final parts of that new printer to show up

                          I never unplugged the ribbon while powered, and only noticed the DWC connection issue when I first powered the Duet through VIN

                          Railcore II ZL

                          ? 1 Reply Last reply 13 Apr 2020, 13:01 Reply Quote 0
                          • ?
                            A Former User
                            last edited by 13 Apr 2020, 11:26

                            I don't think the pi issue is network related, but if you capture the traffic with wireshark I'll take a look.

                            do make sure to not try to access the pi 5 minutes before starting the capture (should ensure wireshark picks up the ARP traffic, or run arp -d * in an elevated command prompt)

                            If you still find

                            Apr 12 15:58:56 duet3 DuetControlServer[4530]: [error] Duet is not available

                            when running journalctl -u duetcontrolserver -e (don't think you should need sudo for that, but stick sudo in front if it doesn't work) then its not going to work no matter what we do to the network.

                            undefined 1 Reply Last reply 13 Apr 2020, 13:03 Reply Quote 0
                            • ?
                              A Former User @fractalengineer
                              last edited by 13 Apr 2020, 13:01

                              @fractalengineer said in Duet3/pi flashing Diag LED after wiring 24V DCS is unavailable:

                              only noticed the DWC connection issue when I first powered the Duet through VIN

                              so it never worked through VIN?

                              1 Reply Last reply Reply Quote 0
                              • undefined
                                fractalengineer @A Former User
                                last edited by fractalengineer 13 Apr 2020, 13:03

                                @bearer Ok I plugged the pi back, changed sd card and replace the config file, as well as flash the board back to rrf3.0

                                • Still not working
                                • I don't know how to run that arp command; here's what I get:
                                pi@duet3:~ $ arp -d *
                                Desktop: Unknown host
                                pi@duet3:~ $ sudo arp -d *
                                Desktop: Unknown host
                                pi@duet3:~ $
                                • Journal command still reports unavailable Duet

                                • Either way here's the capture; pi's IP is 192.168.0.11, I start by logging in SSH, then try to launch DWC in browser, first normal then private session. That's what's in it: https://we.tl/t-2T4XTTek8p

                                • A friend of mine will let me borrow his Pi 4 tomorrow to narrow down whether the issue comes from the duet or the pi

                                • It powers up through VIN but behaves just like powered through USB; DCS unavailable

                                Thank you

                                Railcore II ZL

                                ? 1 Reply Last reply 13 Apr 2020, 13:11 Reply Quote 0
                                • ?
                                  A Former User @fractalengineer
                                  last edited by A Former User 13 Apr 2020, 13:11

                                  @fractalengineer said in Duet3/pi flashing Diag LED after wiring 24V DCS is unavailable:

                                  I don't know how to run that arp command; here's what I get:

                                  my bad, instructions uncear. that would be a windows command, as we'd want to clear the arp cache on the host running wireshark. (but its moot point, no doubt about which host the pi is, and seems to be no firewall issue)

                                  @fractalengineer said in Duet3/pi flashing Diag LED after wiring 24V DCS is unavailable:

                                  Journal command still reports unavailable Duet

                                  thats a problem between the pi and the Duet over the spi bus. can you do ls -l /dev/spi* on the pi?

                                  @fractalengineer said in Duet3/pi flashing Diag LED after wiring 24V DCS is unavailable:

                                  A friend of mine will let me borrow his Pi 4 tomorrow to narrow down whether the issue comes from the duet or the pi

                                  i might be paranoid, but i'd get Peter Griffins volcano insurance just in case.

                                  I'll have a (closer) look at the wireshark log a bit later, but when DCS reports the Duet is unavailable then thats where the problem is.

                                  undefined 1 Reply Last reply 13 Apr 2020, 13:25 Reply Quote 0
                                  • undefined
                                    fractalengineer @A Former User
                                    last edited by 13 Apr 2020, 13:25

                                    @bearer

                                    my bad, instructions uncear. that would be a windows command, as we'd want to clear the arp cache on the host running wireshark. (but its moot point, no doubt about which host the pi is, and seems to be no firewall issue)

                                    thanks for clarifying; I can try the arp command again if that capture doesn't work

                                    thats a problem between the pi and the Duet over the spi bus. can you do ls -l /dev/spi* on the pi?

                                    Sure here's what I get; I did remember very clearly enabling SPI during the setup process

                                    pi@duet3:~ $ ls -l /dev/spi*
                                    crw-rw---- 1 root spi 153, 0 Apr 12 15:45 /dev/spidev0.0
                                    crw-rw---- 1 root spi 153, 1 Apr 12 15:45 /dev/spidev0.1

                                    i might be paranoid, but i'd get Peter Griffins volcano insurance just in case.

                                    Lol what do you mean?

                                    And thank you again for all the support; looking forward to hear what you see in that capture

                                    Cheers

                                    Railcore II ZL

                                    ? 1 Reply Last reply 13 Apr 2020, 14:00 Reply Quote 0
                                    • ?
                                      A Former User @fractalengineer
                                      last edited by A Former User 13 Apr 2020, 14:00

                                      @fractalengineer said in Duet3/pi flashing Diag LED after wiring 24V DCS is unavailable:

                                      thanks for clarifying; I can try the arp command again if that capture doesn't work

                                      No need, and capture looks about as expected, computer connects to Pi they switch to websockets and everyone is happy as far as I can tell.

                                      Problem likely lies in that DuetWebControl which runs on the pi and cannot connect to DuetControlServer because its cannot find the Duet on the SPI bus and doesn't start.

                                      @fractalengineer said in Duet3/pi flashing Diag LED after wiring 24V DCS is unavailable:

                                      Sure here's what I get; I did remember very clearly enabling SPI during the setup process

                                      You're not using the image from here? https://duet3d.dozuki.com/Wiki/SBC_Setup_for_Duet_3 (it should have SPI and other stuff ready to go)

                                      In any case I don't think I can pinpoint problems any further than its beetween DCS and the Duet3 board. Maybe dropping the SPI speed could be worth a try, if no one beats me to it I'll see if I can't post some instructions later.

                                      undefined 1 Reply Last reply 13 Apr 2020, 14:42 Reply Quote 1
                                      • undefined
                                        fractalengineer @A Former User
                                        last edited by 13 Apr 2020, 14:42

                                        @bearer

                                        You're not using the image from here? https://duet3d.dozuki.com/Wiki/SBC_Setup_for_Duet_3 (it should have SPI and other stuff ready to go)

                                        Seems to be the same as the one linked in the "get started" guide, so I'd say yes

                                        I have no clue how to do the spi speed thing so I'll be on the lookup; thanks

                                        Railcore II ZL

                                        ? 1 Reply Last reply 13 Apr 2020, 15:11 Reply Quote 0
                                        • ?
                                          A Former User @fractalengineer
                                          last edited by 13 Apr 2020, 15:11

                                          @fractalengineer said in Duet3/pi flashing Diag LED after wiring 24V DCS is unavailable:

                                          I have no clue how to do the spi speed thing so I'll be on the lookup; thanks

                                          neither did I.. 😁

                                          and a few quick searches didn't bear fruits, however https://forum.duet3d.com/post/109561

                                          the config.json file would be /opt/dsf/conf/config.json

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