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8 years 1 month ago #117891 by kccheng
Replied by kccheng on topic simulation mode
Here is the picture of my floppyCNC, FYI.
The Z axis is reversed, that's why I invert the PIN 6 (Z-Direction)

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4 years 7 months ago #238747 by ajsinfotech
Replied by ajsinfotech on topic simulation mode
Hi dear,
I'm installing linuxcnc from source (2.9 version) on a RPi4. 
Software building runs fine, no error at all but I cannot start in simulation mode to make my first tests.

I mean, I run the following on the command line:
Code:
. /home/pi/linuxcnc/scripts/rip-environment linuxcnc

Then I select any default configuration among qtdragon, qmoccapy, even axis and always get the same in my linuxcnc_debug.txt:
Can not find -sec TRAJ -var TPMOD -num 1 
Can not find -sec EMCMOT -var HOMEMOD -num 1 

Here is my log:
Code:
LINUXCNC - 2.9.0~pre0 Machine configuration directory is '/home/pi/linuxcnc/configs/sim/qtvcp_screens/qtdragon' Machine configuration file is 'qtdragon.ini' Starting LinuxCNC... linuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmod Note: Using POSIX realtime Found file(REL): ./core_sim.hal Found file(lib): /home/pi/linuxcnc/lib/hallib/simulated_home.hal [QTvcp][INFO]  Logging to "/home/pi/linuxcnc/configs/sim/qtvcp_screens/qtdragon/qtdragon.log" (logger.py:102) Traceback (most recent call last):   File "/home/pi/linuxcnc/bin/qtvcp", line 22, in <module>     from qtvcp.lib import xembed   File "/home/pi/linuxcnc/lib/python/qtvcp/lib/xembed.py", line 47, in <module>     from Xlib.protocol import event ModuleNotFoundError: No module named 'Xlib' Shutting down and cleaning up LinuxCNC... task: 205 cycles, min=0.000029, max=0.024989, avg=0.009657, 0 latency excursions (> 10x expected cycle time of 0.010000s) Note: Using POSIX realtime LinuxCNC terminated with an error.  You can find more information in the log:     /home/pi/linuxcnc_debug.txt and     /home/pi/linuxcnc_print.txt as well as in the output of the shell command 'dmesg' and in the terminal

Here is my linuxcnc_debug.txt:
Code:
Can not find -sec TRAJ -var TPMOD -num 1  Can not find -sec EMCMOT -var HOMEMOD -num 1  7633 7670 Stopping realtime threads Unloading hal components

And my linuxcnc_debug.txt:
Code:
RUN_IN_PLACE=yes LINUXCNC_DIR= LINUXCNC_BIN_DIR=/home/pi/linuxcnc/bin LINUXCNC_TCL_DIR=/home/pi/linuxcnc/tcl LINUXCNC_SCRIPT_DIR= LINUXCNC_RTLIB_DIR=/home/pi/linuxcnc/rtlib LINUXCNC_CONFIG_DIR= LINUXCNC_LANG_DIR=/home/pi/linuxcnc/src/objects INIVAR=inivar HALCMD=halcmd LINUXCNC_EMCSH=/usr/bin/wish8.6 INIFILE=/home/pi/linuxcnc/configs/sim/qtvcp_screens/qtdragon/qtdragon.ini VERSION=1.1 PARAMETER_FILE=qtdragon.var TPMOD= HOMEMOD= TASK=milltask HALUI=halui DISPLAY=qtvcp qtdragon COORDINATES=XYZ KINEMATICS=trivkins coordinates=XYZ Starting LinuxCNC server program: linuxcncsvr Loading Real Time OS, RTAPI, and HAL_LIB modules Starting LinuxCNC IO program: io Starting HAL User Interface program: halui Starting TASK program: milltask Starting DISPLAY program: qtvcp Removing HAL_LIB, RTAPI, and Real Time OS modules Removing NML shared memory segments

I can't figure out what is happening. Whatever example configuration I try, I always get the same error basically. I am absolutely lost.
Any addressing will be appreciated!

Thanks in advance.

PS: I realize LINUXCNC_DIR, TPMOD and HOMEMOD are in blanks but, I don't know if it is ok for a default simulation configuration nor where to set up to try.

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4 years 7 months ago #238804 by andypugh
Replied by andypugh on topic simulation mode
This seems to be related to recent changes made to allow pluggable trajectory planners and homing modules.

I wonder if this is Pi-specific? Otherwise I would have expected to hear more about it.

When did you last do a git pull? Possibly this was spotted and fixed.

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4 years 7 months ago #238854 by ajsinfotech
Replied by ajsinfotech on topic simulation mode
Hi andypugh, thanks for reply!

This seems to be related to recent changes made to allow pluggable trajectory planners and homing modules.

Sorry to hear this. I installed version 2.9 on a RPi3 about a year ago and works fine, although a little slow. I was hopping on a RPi4 runs a little faster.

When did you last do a git pull? Possibly this was spotted and fixed.

I pulled the source about 2 weeks ago.

 

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4 years 7 months ago #238857 by andypugh
Replied by andypugh on topic simulation mode
There have been hundreds of changes in the last 2 weeks. Definitely worth a pull and re-build.

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4 years 7 months ago #238858 by ajsinfotech
Replied by ajsinfotech on topic simulation mode
I'll do that.

Thanks andypugh!

 

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4 years 7 months ago #238866 by dgarrett
Replied by dgarrett on topic simulation mode
> Can not find -sec TRAJ -var TPMOD -num 1
> Can not find -sec EMCMOT -var HOMEMOD -num 1

The above (irrelevant) messages have been silenced:
Ref: github.com/LinuxCNC/linuxcnc/commit/e54a8abb3e

The likely first fatal error reported is:

> from Xlib.protocol import event
> ModuleNotFoundError: No module named 'Xlib'

The required package (master branch) is python3-xlib:
Ref: github.com/LinuxCNC/linuxcnc/blob/master...n/control.top.in#L36

Install using:
$ sudo apt-get install python3-xlib

Example test to verify presence:

$ dpkg -l python3-xlib|grep ii
ii python3-xlib 0.29-1 all interface for Python 3 to the X11 protocol

$ python3
Python 3.9.2 (default, Feb 28 2021, 17:03:44)
[GCC 10.2.1 20210110] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import Xlib
>>> help('Xlib.protocol')
...

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4 years 7 months ago #238880 by andypugh
Replied by andypugh on topic simulation mode

> Can not find -sec TRAJ -var TPMOD -num 1
> Can not find -sec EMCMOT -var HOMEMOD -num 1

The above (irrelevant) messages have been silenced:
Sorry Dewey, I was trying to clear a forum backlog and clearly didn't read the output carefully enough. 

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4 years 6 months ago #238924 by ajsinfotech
Replied by ajsinfotech on topic simulation mode
Hi dgarrett, thanks for getting involved!

> from Xlib.protocol import event
> ModuleNotFoundError: No module named 'Xlib'

Yes dear, you are right but I underestimate this error because AFAIR it did not appear when I was testing for Axis (and Gmoccapy I think). So, I understand that the only common errors among all the GUIs I tested (QtDragon, Gmoccapy and Axis) were:

> Can not find -sec TRAJ -var TPMOD -num 1
> Can not find -sec EMCMOT -var HOMEMOD -num 1


On the other hand, I trust in you:

> Can not find -sec TRAJ -var TPMOD -num 1
> Can not find -sec EMCMOT -var HOMEMOD -num 1

The above (irrelevant) messages have been silenced:
Ref:  github.com/LinuxCNC/linuxcnc/commit/e54a8abb3e

But all this comments AFAIU, don't match to me. In Axis the python3-xlib problem did not appear, but all the above did.
So now, I'm getting so lost! 
[img


Anyway, I'll do all you suggest:
1 - I'll do a brand new pull from git 
2 - I'll install the python3-xlib

Many thanks dgarrett! 
 

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4 years 6 months ago #239005 by ajsinfotech
Replied by ajsinfotech on topic simulation mode
Hi andypugh, dgarrett!

I did all what you suggest but none of it worked, sorry.

I send you my recent testing logs about qtdragon_auto_tool_probe simulation mode.
I ran dmesg --clear too before run linuxcnc, so dmseg output keeps clean before and after.

I'm absolutely stuck, so any tip are welcome! 

Thanks in advance!

 

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