Computer Shutdown

Hello
I am just commencing a retrofit of a milling machine. I am trying to decide on a UI to use - at the moment I am tossing up between Gmoccapy and a custom GScreen.
My first question......is there a way to shut down the pc when you exit Linuxcnc. For example, if I am using Gmoccapy, and I click the exit button in the lower right corner, it would be great if it could shut down Linuxcnc and then shut down the PC.

Thanks
Andrew

I can imagine two solutions

1. Change gmoccapy code to execute the shutdown command.
2. Use a bash script to start ljnuxcnc and wait until linuxcnc stops and send then the shutdown command.

But i have never done that.

Norbert

Hi Norbert

Thanks - I will try the bash script first, as I am a little more comfortable doing that.

Andrew

Hello,
I use gmoccapy. When I turn on the machine, the computer starts first, then gmoccapy. How can I shut down Linuxcnc first and then the computer when I press an external key?
Can I do this with a button on the machine?

Moutomation wrote:

Hello,
I use gmoccapy. When I turn on the machine, the computer starts first, then gmoccapy. How can I shut down Linuxcnc first and then the computer when I press an external key?
Can I do this with a button on the machine?
 

Hello,

I think you could script the HAL file to configure the external button to shut down LinuxCNC first, then the computer, and link the button to both functions in that order.

 

I don't know how to do this

You could launch LinuxCNC with a script like so


and connect the pin gmoccapy.h-button.button-9, which exits gmoccapy, to an external button.

This seems to work for me:

how is it going?

Are you asking me how it works or are you asking the OP if it works for him?

[edit]

'&&' means that the second command (ie 'systemctl poweroff') is only executed once the first command (ie 'linuxcnc '/home/yourusername/linuxcnc/configs/yourconfig/yourconfig.ini') has been successfully executed, which is only the case once linuxcnc has been shutdown again.

Useful if you want a one line command.

[edit2]
in comparison '&' will run both commands independently