switching from axis to qtdragon

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16 Sep 2021 01:25 #220750 by ericg
I am attempting to switch from axis to to the new qtvcp interface, but not succeeding too well, mainly because I don't know what I am doing. I get a CRITICAL message telling me no preferences file found, enable preferences in screenoptions widget.
I am following the SilverDragon GUI instructions but cannot get started as I keep getting this error, and what is screenoptions widget
Eric

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16 Sep 2021 02:01 #220751 by cmorley
I assume you are using linuxcnc 2.8 version.

in your INI file,
under the heading {DISPLAY}
make sure you have something like:
PREFERENCE_FILE_PATH = WORKINGFOLDER/qtdragon.pref

If you still get an error, please post the exact error message and your config files.

Chris

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16 Sep 2021 02:50 #220753 by ericg
I thought I had attached the error report, I'll try again and add the configs, I do have this PREFERENCE... line in my DISPLAY section, I even created a blank file with the correct name just in case.., does it matter where the preference files goes?
Attachments:

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16 Sep 2021 03:56 #220760 by cmorley
It doesn't matter where the preference file is but you need to use an absolute path or use the special code I posted.

The actual error is :
pyvcp_options.hal:7: Pin 'pyvcp.spindle-speed' does not exist

QTVCP screens can not load pyvcp panels into them selves.
You must comment out the loading of the pyvcp_options.hal file.

probably the command would be found in postgui_call_list.hal

Chris

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16 Sep 2021 05:30 #220766 by ericg
cannot see my earlier response, but thanks again, I commented out the pyvcp lines and the halui reference to post_gui halfile and it is now working, I was highly amused when I randomly picked a supplied file called daisy and ran it to hear the stepper motors playing the tune "daisy daisy", wish my talents extended to that.
Eric

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16 Sep 2021 09:49 #220784 by tommylight
There is a channel on youtube where they play all kinds of music using stepper motors on floppy drives and scanners named flopytron or similar.

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17 Sep 2021 01:31 #220847 by cmorley
glad it got working.
I had no idea daisy played music :)

Chris

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