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  • PCW
  • PCW's Avatar
14 May 2025 17:12

None of the axis are moving - using mesa 7i92t with 7i76u

Category: Basic Configuration

Looks like no 5V to the 7I76U

(7I92T W4 needs to be "up")
  • MarkoPolo
  • MarkoPolo
14 May 2025 17:11
Replied by MarkoPolo on topic Error in tool_offsetview.py

Error in tool_offsetview.py

Category: Qtvcp

Hi Cmorley

I like the MacroTab Widget, you can easily make your own simple macros, but I think it needs some fixes.
I can save the current parameters to a file, but there is a problem with restoring the settings from the file.
The "set_style" function also does not work. I tried to fix it, but so far without success.
Could you look at this problem?
  • sajurcaju
  • sajurcaju
14 May 2025 17:08

[SOLVED] New wifi card causes second parallel port to stop working

Category: General LinuxCNC Questions

I do have ethernet, and I do have a reason for needing wifi in addition. The camera I'm adding to the spindle sends video via wifi.

Below is dmesg output with the wifi card installed. Without it, I think everything is the same except the second card is addressed 0xdcc0 instead of 0xacc0. I can try that later if needed.

Tommylight, I do have the means to change the MB parallel port address. Sounds like something to experiment with, thanks. I have swapped slots for the wifi card and the second parallel port card, same result.

I did verify that the wifi card is known to work with Linux. I don't see why LinuxCNC would care (or know anything) about the wifi card. Any issue here?

$ dmesg | grep parport
[ 7.560447] parport_pc 00:03: reported by Plug and Play ACPI
[ 7.560518] parport0: PC-style at 0x378 (0x778), irq 7 [PCSPP,TRISTATE,EPP]
[ 7.665553] lp0: using parport0 (interrupt-driven).
[ 8.274698] parport1: PC-style at 0xbcc0 (0xbcc8), irq 30 [PCSPP,TRISTATE,EPP]
[ 8.381897] lp1: using parport1 (interrupt-driven).
[ 8.390482] parport2: PC-style at 0xacc0 (0xacc8), irq 16 [PCSPP,TRISTATE,EPP]
[ 8.493589] lp2: using parport2 (interrupt-driven).
  • SteepLearningCurve
  • SteepLearningCurve
14 May 2025 17:04
Replied by SteepLearningCurve on topic None of the axis are moving - using mesa 7i92t with 7i76u

None of the axis are moving - using mesa 7i92t with 7i76u

Category: Basic Configuration

Hi All
I added one Smart Serial (instead of previously none) , which did indeed restore the missing 7i76u TB5 and TB6 tabs.
I tried configuring it with pncconf (hal, ini attached) and with mesact2 (hal, ini and .io attached)
I tried two different sets of physical inputs on TB6.
first using (on TB6, where pin 1 is at the bottom edge of the 7i76u board)
input4  (pin5)  x limit and home
input5 (pin6)   y limit and home
input6 (pin7)   y1 limit and home
input7 (pin8)  z limit and home
which linuxcnc did not like,  and it exited with an error (see attached reports)
I then moved the four physical inputs
and configured on TB6 using
input0 pin 1 x limit and home
input1 pin2  y limit and home
input2 pin3  y1 limit and home
input3 pin4  z x limit and home
which linuxcnc did not like,  and it exited with an error.
'hm2_7i92.0.7i76.0.0.input-00' does not exist

two of the inputs (x and z) are normally closed switches providing 24 volts , and two (y and y1) are proximity sensors providing 24 volts .

Using a multimeter all four inputs measure 24v field io (when measured between 7i76 Field IO Power FG, and the relevant TB pin)

I added a photo so that you can see where the input wiring is going.

On power up the 7i92t has PWR led on yellow, CR1 led on green  , the 7i76u has CR3 led on yellow, and the watchdog CR6 led on red (it does not get reset, because the config fails to load)
If Linuxcnc doesn't like the config and aborts , then there is nothing to see using halshow.

its got to be something obvious , just it's not obvious to me :)
 
  • DarkPhoinix
  • DarkPhoinix
14 May 2025 16:15 - 14 May 2025 16:18
Replied by DarkPhoinix on topic Remora - ethernet NVEM / EC300 / EC500 cnc board

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

Which pulse/rev is best for NVEM RT1052?  


 
  • langdons
  • langdons
14 May 2025 15:41
Replied by langdons on topic Which kernel version is best for real time?

Which kernel version is best for real time?

Category: General LinuxCNC Questions

Disable all services except those you truly need.

Remove all removeable hardware except what you actually need.

I think blacklisting kernel modules works.

SSH is great for OS management and stuff, but not good for actually running the CNC.
  • tommylight
  • tommylight's Avatar
14 May 2025 15:40
Replied by tommylight on topic Which kernel version is best for real time?

Which kernel version is best for real time?

Category: General LinuxCNC Questions

This line in hal
loadrt [EMCMOT]EMCMOT base_period_nsec=100000 servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[TRAJ]AXES
Add base period after the EMCMOT.
  • langdons
  • langdons
14 May 2025 15:39
Replied by langdons on topic Which kernel version is best for real time?

Which kernel version is best for real time?

Category: General LinuxCNC Questions

The thing is a newer kernel will only have better performance if there has been significant changes in the area that are being used in your application. Changes to filesystems you don't use, drivers you don't or in architectures you don't use don't expect any improvements.
To be really sure you have to read change logs and stuff like that to be sure. Newer may very well be the same as what was supplied with the Linuxcnc ISO.
Oh and don't run any other network services that you use for your motion controller, in your case you should have a dedicated NIC for Remora and another for everything else.
I still don't know why people insist on using 3rd party remote desktop clients when X is actually was designed from networking from the beginning and there are plenty of available clients and servers in the distro repos that have been time tested.
Running a CNC machine remotely is a another kettle of fish. If you need to do remote admin use SSH and learn to get comfortable with the command line.

I agree entirely.

X was designed for remote desktop.

How can you tolerate the laggyness of remote desktop?

I find it unbearable.

Maybe you just have a really good ethernet connection over gigabit ethernet or something.

SSH over ethernet has really low latency, especially if you use macOS terminal with the Pro profile (XTerm is actually slightly faster, but has no support for copy/paste and stuff).
  • DarkPhoinix
  • DarkPhoinix
14 May 2025 15:26
Replied by DarkPhoinix on topic Which kernel version is best for real time?

Which kernel version is best for real time?

Category: General LinuxCNC Questions

Yes that is the correct place to put it.
While testing this, no stress test, no glxgears, no video, no youtube.

next insert lane give error:
# load the Remora real-time component

    loadrt remora-eth-3.0 PRU_base_freq=500000
    loadrt base_period_nsec=100000
Debug file information:
Note: Using POSIX realtime
base_period_nsec=100000: dlopen: /usr/lib/linuxcnc/modules/base_period_nsec=100000.so: cannot open shared object file: No such file or directory
./nvem-rt1052.hal:10: waitpid failed /usr/bin/rtapi_app base_period_nsec=100000
./nvem-rt1052.hal:10: /usr/bin/rtapi_app exited without becoming ready
./nvem-rt1052.hal:10: insmod for base_period_nsec=100000 failed, returned -1
35117
Stopping realtime threads
Unloading hal components
Note: Using POSIX realtime


  • langdons
  • langdons
14 May 2025 15:18

[SOLVED] New wifi card causes second parallel port to stop working

Category: General LinuxCNC Questions

lspci -v should list multiple addesses, try all of them.

Sometimes only one address works.

This tool may be useful:
www2.langdonstaab.ca/files/parportmgr_install.txt
yyao.ca/projects/ParallelPortLinux/

(I made an install script, I think it works)
I don't know the guy who actually wrote this, I just found the program on google. It does work for me.
  • unknown
  • unknown
14 May 2025 15:01

[SOLVED] New wifi card causes second parallel port to stop working

Category: General LinuxCNC Questions

Never said it wouldn't

Only mentioned on board serial & parallel ports on the ISA bus. Which is still there only not physically.
  • langdons
  • langdons
14 May 2025 14:57

Best practice for installing custom Python packages in LinuxCNC?

Category: General LinuxCNC Questions

Backwards?

In what sense?

Java is far, far more feature-rich than Python.

Python does not even have switch statements!


I think the main reason I like Java is the editor (Intellij IDEA CE) is free and good.

PyCharm just is not that great.

And I believe any life without true access modifiers is not a good life.
  • langdons
  • langdons
14 May 2025 14:52

[SOLVED] New wifi card causes second parallel port to stop working

Category: General LinuxCNC Questions

lspci -v lists my installed Sunix parallel port PCIe card.

I also lists the haxadecimal port thingy (0xe30 or something).

To OP: You can buy a single card with 2 parallel ports from Sunix.
www.sunix.com/en/product_detail.php?pid=1434
  • unknown
  • unknown
14 May 2025 14:51
Replied by unknown on topic Combined MESA board order for Australia.

Combined MESA board order for Australia.

Category: Driver Boards

"Asian knockoff", how the fuck would that be read as compatible ?
And where would one find one ?

And once again your stupid senseless post show up and add nothing.

Sometimes you can get less expensive shipping via a forwarder, might take a little longer to arrive, but may work out a little cheaper. But yeah it's been somewhat expensive for shipping Down Under...and no jokes about Qld being 20 years and 1 hour behind....it's non daylight savings time now hahaha

Oh those prices are going to be about 1.6 higher in Aussie beer tokens. So yeah it does end up costing heaps.
  • tommylight
  • tommylight's Avatar
14 May 2025 14:47

Best practice for installing custom Python packages in LinuxCNC?

Category: General LinuxCNC Questions

If you want to move away from Python, try "Ruby on Rails".
Going from Python to Java is absolutely moving backwards.
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