New compensation component for engraving and 3D Printing

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06 Jul 2020 17:07 - 06 Jul 2020 17:08 #173763 by ThomasB
Hi,
I have the feeling this thread was somehow hijacked.

Coming back to the original topic, I would like to thank @scotta for this module. It appears to be exactly what i am looking for.
However, I have to admit that the documentation is much too short for me.
After about half a day searching the net I found that the grid-file probe-results.txt can be generated with an example file
grid-probe.ngc that actually comes with LinuxCNC. That's a frustrating newby experience.

After another half day of research I decided that the remark:
"... external offsets must be enabled ..."
could mean to copy all files from ~/linuxcnc/configs/sim/axis/external_offsets/ to the new config directory.

But now I'm stuck with something where I get almost no search results at all from Big-G and others, the error message now is:
./Compensate.hal:103: Pin 'axis.x.pos-cmd' does not exist
Where Compensate is the name of the configuration and this hal file includes in line 103
net xpos-cmd <= axis.x.pos-cmd => compensation.x-pos
which throws the error.

I have no clue where or how the Pin axis.x.pos-cmd gets defined???

Can anyone help?
Last edit: 06 Jul 2020 17:08 by ThomasB.

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06 Jul 2020 21:06 #173773 by rodw
You need to be running V2.8 and above for the external offsets feature. The pins are documented here
linuxcnc.org/docs/2.8/html/man/man9/motion.9.html

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07 Jul 2020 06:04 #173814 by ThomasB
Thanks, for pointing that out, it explains a lot!
I found the webpage with the explanation as one of the very few search results, but did not realize the version constraint.
I'm on 2.7.15 still.
But that will probably change within this week ;) .
The following user(s) said Thank You: podarok

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