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Are there any potential drawbacks of this? I've wondered why this wasn't the standard implementation - I figured it was for good reason, so never asked. I ended up dedicating a physical button to activate MDI mode instead, but it feels like a waste of a button...

Will this modification switch back to MDI mode after a python based probing cycle (successful or failed)? I find that's the most frequent time I need to switch back to MDI mode.

Hello,

attached are the requested outputs and I added PDOs and SDOs outputs as well.

When working with multiple m codes, i always use Queue Buster before each m-code.
eg.

M66 E0 L0
M169 P9

M66 E0 L0
M169 P6
 

Is the info in this thread still relevant to QtDragon shipped with 2.9.7? I have a 3-axis cnc router with a manual change spindle and I'm looking to automate bit offset/height setting with a tool setter input on my 7i96s.

Don’t worry, I don’t know how often I intended to attach something and then just didn’t. I asked when I was still having problems with the PnCconf setup, so it is not relevant anymore. But thanks.

Yes, probably you are right... tomorrow next try

without knowing how and what you did its nearly impossible to guess, you appear to have been using multiple different old version to test or try things, so i would almost say for someone at your level your best bet is a clean build fro the ground up to ensure you don't have any remnants remaining that could muck up future progress.

Pretty sure yes... i got it to work now. But the latency of my new system is really really slow. I switch back to the old one. 

Last question for today...
" i would remove everything and reinstall from scratch using apt only, be sure to purge all installations"
what exactly i need to deinstall and which commands in the terminal?

If you measure the voltage across C36 I expect you will find a low voltage
instead of the expected 4.2V. What this likely means is that one or both
bus switch parts (74CBT16211) have been damaged by either ESD
or by being connected live to the G540 with no common ground
existing between the G540 and 7I92T before they were connected,
exposing the bus switches to a transient high voltage.

Hi.
I've added a custom M199 code to enable my  spindle-index-enable signal, and this runs fine. (Can see the LED light up in halshow when run.)
So now I'd like to build it into my M19, so the M99 runs just before the M19 is called.

In the [RS274NGC] section of my INI, I have put
REMAP=M19  modalgroup=7  argspec=RQP ngc=custom_M19
my custom_R19.ngc file contains:-
( Custom spindle orientation ngc file)
( M199 raise spindle-index-enable signal)
o<pre_M19>sub
M5
M199
G4 P2
M19 R#<r> Q#<q> P#<p>
o<pre_M19>endsub

The G4 pause is just so I can be sure that the signal is enabled in halshow gui.

I'm pretty sure the file is being read at Linuxcnc fire up, as when I remove the file from the macros folder, the startup parser errors with missing file.

After I home the machine and run the MDI command say M19 R20, the M199 and the pause are not being executed.

I feel I have missed something really obvious..  be grateful for a steer. Thanks

Did you do a
sudo apt update
before
sudo dpkg -i linuxcnc-uspace_2.9.8_amd64.deb
?

I had a quick look at the config files in the first thread. However, I do think it would be good with the latest files, as well as the classicladder part.

In addition to what I mentioned in the last post, I would also say you should have a look at these signals when you issue an M3 command:
If the physical buttons are not connected to (only) LinuxCNC, then I guess it could very well be something on the hardware side as well. In that case some kind of schematic would also be needed for "remote" troubleshooting.

Hello and sorry for the late reply. I got a new PC yesterday and i finished to do the Debian 12 installation right now.

I followed the Probe Basic Stable docs...

I stuck on step 3 now 
cd ~

cd Downloads

sudo dpkg -i linuxcnc-uspace_2.9.8_amd64.deb

These are my errors now... Python not installed? If yes how do i install it via Terminal?

Reading database ... 129701 files and directories currently installed.)
Preparing to unpack linuxcnc-uspace_2.9.8_amd64.deb ...
Unpacking linuxcnc-uspace (1:2.9.8) over (1:2.9.8) ...
dpkg: dependency problems prevent configuration of linuxcnc-uspace:
 linuxcnc-uspace depends on libboost-python1.74.0 (>= 1.74.0+ds1); however:
  Package libboost-python1.74.0 is not installed.
 linuxcnc-uspace depends on libboost-python1.74.0-py311; however:
  Package libboost-python1.74.0-py311 is not installed.
 linuxcnc-uspace depends on libgpiod2 (>= 1.5.1); however:
  Package libgpiod2 is not installed.
 linuxcnc-uspace depends on libmodbus5 (>= 3.1.4); however:
  Package libmodbus5 is not installed.
 linuxcnc-uspace depends on libtk8.6 (>= 8.6.0); however:
  Package libtk8.6 is not installed.
 linuxcnc-uspace depends on libudev-dev; however:
  Package libudev-dev is not installed.
 linuxcnc-uspace depends on iptables; however:
  Package iptables is not installed.
 linuxcnc-uspace depends on blt; however:
  Package blt is not installed.
 linuxcnc-uspace depends on mesa-utils; however:
  Package mesa-utils is not installed.
 linuxcnc-uspace depends on python3-tk; however:
  Package python3-tk is not installed.
 linuxcnc-uspace depends on python3-numpy; however:
  Package python3-numpy is not installed.
 linuxcnc-uspace depends on python3-opengl; however:
  Package python3-opengl is not installed.
 linuxcnc-uspace depends on python3-configobj; however:
  Package python3-configobj is not installed.
 linuxcnc-uspace depends on python3-xlib; however:
  Package python3-xlib is not installed.
 linuxcnc-uspace depends on libgtksourceview-4-dev; however:
  Package libgtksourceview-4-dev is not installed.
 linuxcnc-uspace depends on tcl8.6; however:
  Package tcl8.6 is not installed.
 linuxcnc-uspace depends on tk8.6; however:
  Package tk8.6 is not installed.
 linuxcnc-uspace depends on bwidget (>= 1.7); however:
  Package bwidget is not installed.
 linuxcnc-uspace depends on tclreadline; however:
  Package tclreadline is not installed.
 linuxcnc-uspace depends on tclx; however:
  Package tclx is not installed.
 linuxcnc-uspace depends on python3-pyqt5; however:
  Package python3-pyqt5 is not installed.
 linuxcnc-uspace depends on python3-pyqt5.qsci; however:
  Package python3-pyqt5.qsci is not installed.
 linuxcnc-uspace depends on python3-pyqt5.qtsvg; however:
  Package python3-pyqt5.qtsvg is not installed.
 linuxcnc-uspace depends on python3-pyqt5.qtopengl; however:
  Package python3-pyqt5.qtopengl is not installed.
 linuxcnc-uspace depends on python3-opencv; however:
  Package python3-opencv is not installed.
 linuxcnc-uspace depends on python3-espeak; however:
  Package python3-espeak is not installed.
 linuxcnc-uspace depends on python3-dbus.mainloop.pyqt5; however:
  Package python3-dbus.mainloop.pyqt5 is not installed.
 linuxcnc-uspace depends on python3-pyqt5.qtwebengine | python3-pyqt5.qtwebkit; however:
  Package python3-pyqt5.qtwebengine is not installed.
  Package python3-pyqt5.qtwebkit is not installed.
 linuxcnc-uspace depends on espeak-ng; however:
  Package espeak-ng is not installed.
 linuxcnc-uspace depends on pyqt5-dev-tools; however:
  Package pyqt5-dev-tools is not installed.
 linuxcnc-uspace depends on gstreamer1.0-tools; however:
  Package gstreamer1.0-tools is not installed.
 linuxcnc-uspace depends on espeak; however:
  Package espeak is not installed.
 linuxcnc-uspace depends on python3-poppler-qt5; however:
  Package python3-poppler-qt5 is not installed.
 linuxcnc-uspace depends on psmisc; however:
  Package psmisc is not installed.

dpkg: error processing package linuxcnc-uspace (--install):
 dependency problems - leaving unconfigured
Processing triggers for libc-bin (2.36-9+deb12u13) ...
Processing triggers for desktop-file-utils (0.26-1) ...
Processing triggers for mailcap (3.70+nmu1) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Processing triggers for man-db (2.11.2-2) ...
Processing triggers for shared-mime-info (2.2-1) ...
Errors were encountered while processing:
 linuxcnc-uspace

Thanks for looking at it.

I was also thinking that the last major change I did was to wire in the spindle VFD brake command. The system worked fine for some time after that, and then didn't.
I did add some Classic ladder Fu in there as well, but that was to the brake command, and spindle brakes normally when I stop it with the external button. I suspect there is something there though, like maybe the physical buttons change switches off the brake command, but the M3/M5 doesn't.

I have the HAL uploaded to the first thread, but haven't uploaded the most recent change, so I will update it this evening.

Don't try swapping drives. At least on mine, the Z axis motor is larger for the extra force to fight gravity, so the drives, PID values etc are all different. I would doubt that there is a problem there. Sounds like a LinuxCNC configuration issue.