qtdragon_hd touchoff and probing issue

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04 Sep 2023 19:20 #279869 by JohnnyCNC
I've tried this:

rtn = self.CALL_MDI_WAIT("o900", self.timeout)
if rtn != 1:
return 'o900 failed: {}'.format(rtn)

and this:

ACTION.CALL_MDI("o900")

This is the contents of o900.ngc although I have tried a number of variations.

%
o<0900> sub
(PRINT,Doing o900 stuff)
#4002 = 9.8765432
o<o900> endsub
%

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04 Sep 2023 22:47 - 04 Sep 2023 22:47 #279893 by cmorley
I think it is working (I tested too) but in probe routines you can't print any msgs.
I just added: ACTION.CALL_MDI("#4002 = 9.8765432") into probe down.

How do I know it worked? I'll tell you a voodoo trick.
after running probe 'down' go to the MDI entry.
enter these commands one after the other:

;py,from interpreter import *
:py, print(this.parameters[4002]))

then look in the terminal for the output.
you should see that parameter 4002 is set to 9.8765432

Chris
Last edit: 04 Sep 2023 22:47 by cmorley.

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05 Sep 2023 00:41 #279901 by JohnnyCNC
Thank you Chris,

I was checking to see if it worked by exiting LCNC and looking in the linuxcnc.var file. I'm going to go give it a try.

John

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05 Sep 2023 01:00 #279903 by JohnnyCNC
Thanks again Chris. It is working great.

Now to learn about doing an M6 remap in Python.

John

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05 Sep 2023 01:44 #279908 by cmorley
keep us posted!

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10 Sep 2023 14:39 - 10 Sep 2023 14:39 #280402 by JohnnyCNC
Using Versa Probe, how do I set the Auto_Zero function to default to ON?

What would the use case be where you would want it to be OFF?
Last edit: 10 Sep 2023 14:39 by JohnnyCNC.

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10 Sep 2023 18:10 #280420 by cmorley
There is a button 'Tool Measure' on the versa probe screen that turns it off or on.
I would guess if you are repeating a program that only uses one tool.

You could change the qt_auto_probe.ngc to ignore the button state if you like.

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11 Sep 2023 11:43 #280472 by rodw

Thanks Chris.
Having the purple dot in the cross-hair doesn't make sense to me. Having the purple dot show where to place the probe tip and the cross-hair show where zero will be after the probing is completed is how I interpreted the image the first time I saw it. I found the images and can have it the way I like it. LOL

I can wait tyo try the functions on the UTILS tab. I always wanted something like that.

Are probe_basic and basic_probe the same thing?

Thanks
John

Heare, Hear, I really think Chris took a wrong turn a long time ago.
The following user(s) said Thank You: nwallace

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11 Sep 2023 22:22 #280505 by JohnnyCNC
I've since switched to Versa Probe but I liked the graphics in basic_probe better. I got the touch-off working with my M6 remap at least basically. I have now commited to switching to my ODroid H2+, with Debian and LCNC 2.9.

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08 Jan 2024 00:21 #290168 by JohnnyCNC

Hi Chris,

yes you are right, tested on the machine: measuring a tool with the tool sensor actually sets the Z of current WCS.

Of course, if you follow this by measurement of the workpiece with the workpiece tool probe, current WCS Z previously set get overwritten by this - as expected.

Anyone here actually using qtdragon_hd with both tool sensor and workpiece probe?
With older qtdragon all of this is handled by ngc probing subs, most likely this is why this got unnoticed.

I finally got my workpiece touch-off using a 3D probe and my M6 remap with auto tool measurement working in QTDragon_HD.  My M6 remap is now all Python.  I am using VersaProbe at this time.  I still need to try BasicProbe and see which one I like better.

 

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