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Ok I pushed work to master to allow selecting auto switch to MDI for macro buttons and HAL pin macros on Qtdragon's setting page.

I didn't get a change to push it to the other Qtdragon variations.
I have not looked into the O word problem yet.

No USB controllers do not work with LinuxCNC due to inherent latency issues and not being "real time".
You should get a Mesa board, not UC300 whatever, it is natively supported in LinuxCNC, be it PCI or PCI-E or Ethernet versions, and their support is by far the best on planet Earth.
Take some pictures of the control box and post them here, maybe you can get away with just an old PC with a parallel port, or an add on parallel card costing 10-15$.

I was at it again today.
Threading does not work again, absolutely the same behavior as before.This time I could try G33 with the problem present. Running the exact same code multiple times, every subsequent run cut slightly to the right of the last by very even amounts.Now I am really confused. It worked a few days ago. That day it worked over and over, and now it does not work at all.
RPM does not seem to make a noticeable difference, or at least it does not work no matter how low I go.I don’t even have an idea what that tells me. The hardware is obviously capable of working. Is it some intermittent contact somewhere?The encoder being the problem is really the only thing that makes sense to me, but all tests I did point to it being OK.If anyone has an idea what I should test to find this, I would highly appreciate it.

2.9.2

I press this to enter the editor within Linuxcnc.
I have changed the editor in the ini from gedit to mousepad with no change. 
 

@andrax
I created a new configuration using your templates for .ini and .hal files from the A6 Absolute Homing topic. The .xml file is mine and I deleted all of the SDO configurations. The axis is named "X" as you suggested. Attached are the configuration files.
The names of the pins are according to your .hal file, nothing is changed there. I had to make some changed in my .xml file to match.
Now, I opened and closed LinuxCNC a few time and the coordinate of the axis seems to save after each time the machine is closed. When I press "Home All" button the axis is immediately set homed and coordinates does not change.
Let's start with the custom CiA402 homing step by step. I attached two pictures one from .ini and the other from .hal file. What I described as "default" is the default configuration settings as if homing was executed. My question is, when I uncomment the "CiA402 homing" rows in both file, should the "default" rows be commented?

Howdy!  I have a DD UC300 installed in my CNC router.  I use DrufelCNC as my software interface. I like the software, but it is limited in features, support and is too expensive for a licensed copy.  I read an old thread indicating that a USB interface has a latency problem and that only the ethernet version (EC300) is supported by reflashing the controller.  Is this true?  Should I upgrade to the EC300 or is there support for the UC300?

Thanks in advance,

Rick  

The entry for python is missing in ini file. In my config, its after [RS274NGC]
Make shure toplevel.py is in the path, and  stdglue.py if needed for remap


[PYTHON]
PATH_PREPEND= /home/jef/linuxcnc/configs/Python/
PATH_APPEND=  /home/jef/linuxcnc/configs/Python/
TOPLEVEL= /home/jef/linuxcnc/configs/Python/toplevel.py



Edit:
I was wrong with the python entry. PYVCP panel works without that

The problem is that python 2.7 which you use was deprecated with the release of Debian Bullseye in favour of Python 3. The only solution is to rewrite you scripts using Python 3. Python 2.7 and 3.0 are not compatible.

You could post your INI-file, a screenshot or whatever command you use to start your G-code editor.

Brilliant video Adam! Nice repair.

Djakuju bardzo.
Should be "thank you very much" in Polish language, is that correct?

Did you check if it has a post fro EMC2 as that was the old name for LinuxCNC?
Post processors should be fairly easy to edit/modify, so you can give that a try.

Bump to remove it from the "no replies" list.

Google translation:
I just upgraded my mortiser from Linux 2.5.4 to 2.9.5, but the problem is that Spinbox signals are no longer working. I read that there was a change in Python, I tried several Python scripts and changed Post-GUI Halfile, but nothing changed. Can you help me?
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What is the exact error you get?

How did you manage to connect to the drives?I’ve installed the software, but I can’t get a connection