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How does one set up a Duet3D 6HC with RPi4 to wifi?

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  • ?
    A Former User @Jim46
    last edited by A Former User 19 May 2020, 04:22

    @Jim46 could be the wifi country option isn't set, preventing wpa_supplicant running, should be an option for that in raspi-config, but i think it only works to change the country, not add it, try it if you find it.

    If not, I think the following may work, copy and paste the below into putty

    cat << EOF | sudo tee /etc/wpa_supplicant/wpa_supplicant.conf > /dev/null
    ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
    update_config=1
    country=US
    EOF
    sudo systemctl restart wpa_supplicant.service
    
    

    and press enter after. Then run sudo raspi-config again, if it still fails you may have to reboot the pi after making the country change. running sudo reboot and reconnecting after 30 seconds or so should take care of it)

    edit: for future ref i think this worked after all - but i also think it may need some foolproofing. But should ask for SSID and Passphrase, then output the correct file (for the US) with the encrypted passphrase.

    read -p "Enter SSID: " SSID &&
    read -p "Enter passphrase: " PASS &&
    cat << EOF | sudo tee /etc/wpa_supplicant/wpa_supplicant.conf > /dev/null &&
    ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
    update_config=1
    country=US
    EOF
    wpa_passphrase "$SSID" "$PASS" | grep -v $PASS | sudo tee -a /etc/wpa_supplicant/wpa_supplicant.conf > /dev/null &&
    sudo rfkill unblock wifi &&
    sudo systemctl restart wpa_supplicant.service &&
    wpa_cli -i wlan0 reconfigure
    
    

    (but I still suspect a reboot after is needed)

    edit2: seems there is something that causes raspi-config to fail with the DuetPi image, a clean vanilla Raspbian image will first ask for Wifi country then SSID/passphrase. might do some more poking.

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    • undefined
      Jim46
      last edited by 19 May 2020, 18:06

      Hi Bearer, I just ran your suggestions including the reboot and it worked! Thanks so much!
      Jim

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      • ?
        A Former User
        last edited by 19 May 2020, 18:11

        Goodie! Wasn't quite sure how well the code would copy/paste, but a little luck is always a fine substitute for careful planning and testing:)

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        • ?
          A Former User
          last edited by 20 May 2020, 09:14

          @chrishamm might want to consider rebuilding the DuetPi image without a default wpa_supplicant.conf on /boot, or at the very least rename it to wpa_supplicant.conf.sample or something as it currently breaks raspi-config's ability to setup wifi if the user boots the card without editing the file first. It would also potentially violate the wifi regulations as the country is set to GB.

          Maybe its possible to keep the file as wpa_supplicant.conf with parts commented out but not sure that'll work or be any more helpfull.

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          • undefined
            Jim46
            last edited by 21 May 2020, 01:08

            Hello All,
            I installed the motors on the frame and tried to run the same test as on the bench. The x axis work well. Both the Y and Z dual motor axes ran into trouble. It seems I had best drives slip. Have to check that and also make sure the motors are moving in the same direction.
            Cheers
            Jim

            ? 1 Reply Last reply 21 May 2020, 01:13 Reply Quote 0
            • ?
              A Former User @Jim46
              last edited by A Former User 21 May 2020, 01:13

              @Jim46 said in How does one set up a Duet3D 6HC with RPi4 to wifi?:

              Have to check that and also make sure the motors are moving in the same direction.

              given the lack of standards with respect to colour coding motor wiring it could be they theoretically move opposite even if it looks like they're wired the same.

              the easiest way to reverse the direction if needed is to add R1 to the M569 line for the relevant axis. (ed: change S0 to S1 and vice versa in the relevant M569 line)

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              • undefined
                Jim46
                last edited by 21 May 2020, 16:24

                Hi Bearer,
                Currently, it says, e.g.,
                M569 P2 S1... (Y1 motor) physical drive 2 goes forward
                M569 P3 S1... (Y2 motor) Physical drive 3 goes forward

                the motors now face away from each other on the Y axis
                so is it right to set up the P3 as follows
                M569 P2 R1 ????
                Thanks,
                Jim

                ? 1 Reply Last reply 21 May 2020, 18:15 Reply Quote 0
                • undefined
                  jay_s_uk
                  last edited by 21 May 2020, 16:32

                  Changing S1 to S0 changes the motor direction.

                  Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

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                  • undefined
                    Jim46
                    last edited by 21 May 2020, 17:07

                    Thanks you so much, I reset it as
                    M569 P2 S1... (Y1 motor) physical drive 2 goes forward
                    M569 P3 S0... (Y2 motor) Physical drive 3 goes reverse
                    M569 P4 S1... (Z1 motor) physical drive 4 goes forward
                    M569 P5 S0... (Z2 motor) Physical drive 5 goes reverse

                    also used dual M584 lines x and Y and next line for Z and E

                    It is installed in the printer framce and it works! Thanks again!
                    Next is to design the extrustion head and design something to print out as a test.

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                    • undefined
                      Jim46
                      last edited by 21 May 2020, 17:08

                      BTW, how does one mark a thread "SOLVED"?

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                      • undefined
                        jay_s_uk
                        last edited by 21 May 2020, 17:10

                        There's an option to set ask a question bottom right. You can then mark it solved

                        Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

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                        • ?
                          A Former User @Jim46
                          last edited by A Former User 21 May 2020, 18:15

                          @Jim46 said in How does one set up a Duet3D 6HC with RPi4 to wifi?:

                          M569 P2 R1 ????

                          My bad! Jay corrected it thankfully - too bad I didn't see it earlier, one of the issues I've found myself dealing with earlier (today)..

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                          • undefined
                            Jim46
                            last edited by 21 May 2020, 23:59

                            Hmmm, not sure what happened, it seemed to mark it "unsolved". How do you change it to solved?

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                            • undefined
                              Phaedrux Moderator
                              last edited by 22 May 2020, 00:58

                              @Jim46 said in How does one set up a Duet3D 6HC with RPi4 to wifi?:

                              How do you change it to solved?

                              FIrst it has to be asked as a question, then it changes to mark as solved.

                              Z-Bot CoreXY Build | Thingiverse Profile

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                              • undefined
                                Jim46
                                last edited by 22 May 2020, 22:41

                                How does one set up a Duet3D 6HC with RPi4 to wifi?

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