You are using a simulated-realtime version of LinuxCNC, so testing

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28 Oct 2022 18:47 #255324 by gazlinux
New user here and new to CNC just installed LinuxCNC on Ubuntu 22.10 and after connecting up USB to a chinese board to just confirm software to board handshake works, I get the error "You are using a simulated-realtime version of LinuxCNC, so testing / tuning hardware is unavailable."

[ ] create simulated hardware configuration  box IS UNCHECKED.

Thanks for any pointers!

 

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28 Oct 2022 19:48 #255329 by arvidb
1) LinuxCNC does not work over USB (it needs a low latency communication channel)
2) Probably a moot point because of 1), but: you need to install (and run) a real time kernel. Did you do that? What does 'uname -a' say?

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04 Nov 2022 15:29 #255921 by gazlinux
Thank you for sharing that information.

My cheap amazon CNC came with an offline controller (linked below). The controller connects to the mainboard. Do you happen to know if I could swap out the offline controller and use that port on the mainboard to connect to connect to a LinuxPC (running real time kernel) serial port?

www.purewordstech.com/products/purewords...99960&pr_seq=uniform

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05 Nov 2022 22:31 #256033 by andypugh
It's possible that your controller can be reflashed with the "Remora" firmware to make it work with LinuxCNC. (but if it connects with USB, then that can't work)

The linked page is not at all clear how the board communicates
The following user(s) said Thank You: arvidb

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