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[DSF Extension] Exec On MCode (was: Shutdown SBC)

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  • undefined
    wilriker
    last edited by 9 Dec 2019, 12:01

    Exec On MCode v2.0

    After a request on GitHub to also make the command to run configurable I have renamed the whole project to execonmcode and created a new release that will make the command configurable.

    It will also report the outcome of the command (success, error) back to DuetSoftwareFramework.

    As usual it can be found at GitHub Releases page.

    Usage

    $ ./execonmcode --help
    Usage of ./execonmcode:
      -command string
            Command to execute
      -mCode int
            Code that will initiate execution of the command (default 7722)
      -socketPath string
            Path to socket (default "/var/run/duet.sock")
    

    Manuel
    Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
    with probably always latest firmware/DWC (incl. betas or self-compiled)
    My Tool Collection

    undefined 1 Reply Last reply 13 Dec 2019, 09:37 Reply Quote 2
    • undefined
      too @wilriker
      last edited by 13 Dec 2019, 09:37

      @wilriker Great work, the plugin works just as it should! 👍
      We're using it to build a 'move backwards in gcode' function. However, it would be great if we could bring variables into the command string, maybe that could be solved by giving the M code S, P and Q parameters that would translate into $S, $P and $Q?

      Cartesian Duet3+Raspberry pi 4 with 5x 1XD using servo drives printing mortars and concrete

      undefined 1 Reply Last reply 13 Dec 2019, 10:10 Reply Quote 0
      • undefined
        wilriker @too
        last edited by 13 Dec 2019, 10:10

        @too Thanks! I saw your GitHub issue but was a bit busy the last days. Sorry for not getting back to you sooner. Also great to hear that it is actually used by someone other than myself. 🙂

        I'll think about how to do that best.

        Manuel
        Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
        with probably always latest firmware/DWC (incl. betas or self-compiled)
        My Tool Collection

        undefined 1 Reply Last reply 13 Dec 2019, 10:14 Reply Quote 0
        • undefined
          too @wilriker
          last edited by 13 Dec 2019, 10:14

          @wilriker Now RRF3 just needs to be working smooth with some of the more exotic features and the system would be near perfection 😁

          Cartesian Duet3+Raspberry pi 4 with 5x 1XD using servo drives printing mortars and concrete

          undefined 1 Reply Last reply 13 Dec 2019, 10:22 Reply Quote 0
          • undefined
            dc42 administrators @too
            last edited by 13 Dec 2019, 10:22

            @too said in [DSF Extension] Exec On MCode (was: Shutdown SBC):

            @wilriker Now RRF3 just needs to be working smooth with some of the more exotic features and the system would be near perfection 😁

            I expect to release RRF3 RC1 very soon.

            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

            undefined 1 Reply Last reply 13 Dec 2019, 10:46 Reply Quote 0
            • undefined
              too @dc42
              last edited by 13 Dec 2019, 10:46

              @dc42 looking forward!

              Cartesian Duet3+Raspberry pi 4 with 5x 1XD using servo drives printing mortars and concrete

              1 Reply Last reply Reply Quote 0
              • undefined
                wilriker
                last edited by wilriker 13 Dec 2019, 12:08

                Release v2.1

                This release provides parameter substitution. Please see the below for details on how to use it.

                It can be found at the GitHub Releases page.

                Parameters

                execonmcode does provide a simple mechanism for parameter substitution. It is possible to pass string parameters to the
                selected M-Code and have them inserted in the -command. In the command string they have to be single letters prefixed by
                the percent-sign (%) and they must not be G, M or T.

                All parameters that do not have a corresponding value in the M-Code will be forwarded as given.

                Example

                Run execonmcode as

                $ ./execonmcode -command "mycommand %F %N %D"
                

                Then you can use the following M-Code syntax to replace these parameters

                M7722 F"my first parameter" N"my second parameter"
                

                this will lead to an execution of

                mycommand "my first parameter" "my second parameter" %D
                

                Note that %D was passed as is since it was not given in the M-Code.

                Manuel
                Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                with probably always latest firmware/DWC (incl. betas or self-compiled)
                My Tool Collection

                undefined 1 Reply Last reply 6 Oct 2020, 17:12 Reply Quote 1
                • undefined
                  wilriker
                  last edited by wilriker 13 Dec 2019, 21:00

                  Release v2.1.1

                  This is just a bug fix release to address a bug where too many (empty) parameters where introduced in between the command and it's actual parameters. This could lead to various problems.

                  As usual it can be found at GitHub Releases page.

                  Thanks to @too for reporting this. 👍

                  Manuel
                  Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                  with probably always latest firmware/DWC (incl. betas or self-compiled)
                  My Tool Collection

                  1 Reply Last reply Reply Quote 1
                  • undefined
                    wilriker
                    last edited by 31 Dec 2019, 14:51

                    Just as a short teaser: the upcoming version will allow an arbitrary amount of M-code+command pairs.

                    Manuel
                    Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                    with probably always latest firmware/DWC (incl. betas or self-compiled)
                    My Tool Collection

                    1 Reply Last reply Reply Quote 0
                    • tobias_munichundefined
                      tobias_munich
                      last edited by 2 Jan 2020, 14:40

                      great Job !! many thanks.
                      exactly what I looked for

                      Tobias

                      Hypercube-Evolution, Dual-Z, Nimble v2, Orion Piezo
                      Duet3, DuetWifi, Raspberry Pi 4, 7 inch HDMI Display, Panel-Due
                      Firmware: RepRapFirmware for Duet 3 MB6HC 'always the latest release'

                      1 Reply Last reply Reply Quote 0
                      • undefined
                        wilriker
                        last edited by wilriker 1 Jun 2020, 12:31 6 Jan 2020, 12:29

                        Release v3.0

                        This release adds the possibility to provide an arbitrary amount of -mCode + -command tuples. This way it is possible to have a single instance of execonmcode handle all the custom commands.

                        Note that as part of this change there is no longer a default value for -mCode.

                        Get it at GitHub Releases page.

                        EDIT: This version is built agains goduetapiclient 1.2.0 and as such will only work with DSF 1.2.2.1 and later. In case you need a version that is working with DSF <= 1.2.2.0 please tell me here. It's not a problem to provide that as well.

                        Manuel
                        Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                        with probably always latest firmware/DWC (incl. betas or self-compiled)
                        My Tool Collection

                        gtj0undefined 1 Reply Last reply 7 Jan 2020, 00:39 Reply Quote 1
                        • gtj0undefined
                          gtj0 @wilriker
                          last edited by 7 Jan 2020, 00:39

                          @wilriker I can't believe I missed this whole thread! Gonna give it a try tomorrow.

                          I'm also working on something to allow the SBC to do a hardware reset and flash erase via GPIO pins for cases where the firmware is stuck and you can't get to the board. Could be a good companion to your utility.

                          undefined 1 Reply Last reply 7 Jan 2020, 07:59 Reply Quote 0
                          • undefined
                            wilriker @gtj0
                            last edited by 7 Jan 2020, 07:59

                            @gtj0 Glad to hear about any use-cases. 🙂

                            I myself use it to run poweroff as well as activating and deactivating my webcam (starting/stopping a systemd unit).

                            Manuel
                            Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                            with probably always latest firmware/DWC (incl. betas or self-compiled)
                            My Tool Collection

                            1 Reply Last reply Reply Quote 0
                            • A Former User?
                              A Former User
                              last edited by 7 Jan 2020, 08:22

                              Tempting to try with a small I2C OLED on the Pi, but not top of the list just yet

                              1 Reply Last reply Reply Quote 0
                              • chas2706undefined
                                chas2706
                                last edited by 9 Jan 2020, 19:00

                                @wilriker

                                This sounds really good. I would like to use it to activate a bash script on my system but I have attempted to install it and I cant get it to work.
                                I followed your instructions in your first post but using execonmode V3:

                                I downloaded execonmode and placed it into /usr/local/bin.
                                I tried to run it using sudo ./execonmode -help (just to see if it works) but I get the error message "cant open binary".

                                Could you instruct me where i'm going wrong.

                                BTW I am on the latest version of RRF3 and up to date with DSF etc.

                                Thanks in advance.

                                undefined 1 Reply Last reply 9 Jan 2020, 19:28 Reply Quote 0
                                • undefined
                                  wilriker @chas2706
                                  last edited by 9 Jan 2020, 19:28

                                  @chas2706 If you run

                                  sudo ./execonmcode -help
                                  

                                  It will try to find the executable in the current directory you issue this command. To have your shell locate it in your $PATH remove the ./ in front of execonmcode. For -help you don't need sudo BTW.

                                  To make sure that it can find it also check if

                                  echo $PATH
                                  

                                  actually does contain /use/local/bin.

                                  Last thing: you spelled it execonmode instead of execonmcode (extra "c" after "m") above. Make sure that's only a typo here. I might rename the executable in the future to something less error-prone.

                                  Manuel
                                  Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                                  with probably always latest firmware/DWC (incl. betas or self-compiled)
                                  My Tool Collection

                                  1 Reply Last reply Reply Quote 0
                                  • chas2706undefined
                                    chas2706
                                    last edited by 9 Jan 2020, 19:33

                                    @wilriker
                                    Thanks for the info. I will give it another go.

                                    execonmode was just a typo error in my post lol.

                                    Thanks

                                    1 Reply Last reply Reply Quote 0
                                    • chas2706undefined
                                      chas2706
                                      last edited by 9 Jan 2020, 20:05

                                      @wilriker said in [DSF Extension] Exec On MCode (was: Shutdown SBC):

                                      ./execonmcode -help

                                      I have placed execonmcode in /usr/local/bin and typed the following in the terminal without success:

                                      pi@Duet3:~ $ cd /usr/local/bin
                                      pi@Duet3:/usr/local/bin $ ls
                                      execonmcode listen-for-shutdown.py
                                      pi@Duet3:/usr/local/bin $ ./execonmcode -help
                                      bash: ./execonmcode: Permission denied
                                      pi@Duet3:/usr/local/bin $ sudo ./execonmcode -help
                                      sudo: ./execonmcode: command not found
                                      pi@Duet3:/usr/local/bin $ execonmcode -help
                                      bash: /usr/local/bin/execonmcode: Permission denied
                                      pi@Duet3:/usr/local/bin $ sudo execonmcode -help
                                      sudo: execonmcode: command not found
                                      pi@Duet3:/usr/local/bin $

                                      undefined 1 Reply Last reply 9 Jan 2020, 20:12 Reply Quote 0
                                      • undefined
                                        wilriker @chas2706
                                        last edited by 9 Jan 2020, 20:12

                                        @chas2706 Have you made execonmcode executable via sudo chmod +x /usr/local/bin/execonmcode? I think that's missing from the installation instructions.

                                        Manuel
                                        Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                                        with probably always latest firmware/DWC (incl. betas or self-compiled)
                                        My Tool Collection

                                        1 Reply Last reply Reply Quote 0
                                        • chas2706undefined
                                          chas2706
                                          last edited by 9 Jan 2020, 20:21

                                          @wilriker

                                          No I forgot!!

                                          My silly mistake! It works a treat now.

                                          Thank you for your help.

                                          undefined 1 Reply Last reply 9 Jan 2020, 20:36 Reply Quote 0
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