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  • behai
  • behai
06 Feb 2025 03:03
Replied by behai on topic PNCConf, Mesa 7I96S: "You are using a simulated-realtime version of LinuxCNC..."

PNCConf, Mesa 7I96S: "You are using a simulated-realtime version of LinuxCNC..."

Category: PnCConf Wizard

Hi,

As a LinuxCNC learner, I find this PNCConf video very informative and complete:



It is a few years old, but it did help me.
  • tim052
  • tim052
06 Feb 2025 02:55
2.8 -> 2.9.2 Gantry Homing Configuration Issues was created by tim052

2.8 -> 2.9.2 Gantry Homing Configuration Issues

Category: Basic Configuration

I've recently updated from 2.8 to 2.9.2  and I'm having issues with the homing of my dual y axis that uses a single limit switch (i'll be adding a second one for auto squaring in the future). Since migrating the Y axis will go to home and them give a switch triggered while in home state 10 error. I've tried adjusting a number of the homing options but none of them resolve the issue. So I'm wondering if there been any changes since 2.8 that would require this setup to be configured differently.

NOTE: I am using a 7i76E and I've attached my config and hal file for reference.   
  • cmorley
  • cmorley
06 Feb 2025 02:23
Replied by cmorley on topic qtdragon additonal buttons

qtdragon additonal buttons

Category: Qtvcp

Excellent! had to use every trick I know :)
  • cmorley
  • cmorley
06 Feb 2025 02:10
Replied by cmorley on topic Versa Probe with Qtdragon hang

Versa Probe with Qtdragon hang

Category: Basic Configuration

This is typical of the move length and speed not being finished in the timeout requirement.
But that seems strange on the latch return.

What version of linuxcnc are you using and can you post a pic of the probe settings you are using (when it failed)
  • cmorley
  • cmorley
06 Feb 2025 02:04
Replied by cmorley on topic NC height probe with NO touchplate in QTDragon?

NC height probe with NO touchplate in QTDragon?

Category: Basic Configuration

If you have two inputs on the Mesa card, connect a probe to each, then in the HAL file connect those two signals with an OR component. The output of the OR would then be connected to linuxcnc's probe input.
  • behai
  • behai
06 Feb 2025 01:58
Replied by behai on topic PNCConf, Mesa 7I96S: "You are using a simulated-realtime version of LinuxCNC..."

PNCConf, Mesa 7I96S: "You are using a simulated-realtime version of LinuxCNC..."

Category: PnCConf Wizard

Actually I've just had another thought, what version of RPi imager are you using and what particular OS ?
I'm not a windows user and some people have had issues with RPi imager ?
Do you uncompress the downloaded file or just point RPi imager to the compressed file ?

Cheers
Rob
 

Hi Rob,

Thank you for your help and new information: I have missed the two links you posted on the previous reply.

I am using Ubuntu 24.04 Noble Wombat and Raspberry Pi Imager V1.8.5 to write image.

I downloaded the linuxcnc.org/iso/rpi-4-debian-bookworm-6...25-01-27-0404.img.xz and use it as is.

I did check the kernel with uname -a, and the output is Linux raspberrypi 6.12.11 #1 SMP PREEMPT_RT Mon Jan 27 02:47:25 AEDT 2025 aarch64 GNU/Linux.

AND I HAVE BEEN ABLE TO GET PNCCONF's Test/Tune Axis to test the X-axis motor: thank you again Rob.

-- For PNCCONF to work, we need to use menu-config to set Locale to en US.UTF8, after setting the locale, I had to restart the machine, otherwise the locale does not seem to take effect immediately.

To verify the machine locale, on a terminal window, run the locale.

Best regards,

...behai.


 
  • PCW
  • PCW's Avatar
05 Feb 2025 22:51
Replied by PCW on topic 7i97t setup problem

7i97t setup problem

Category: General LinuxCNC Questions

What does:

mesaflash --device ethernet --addr 192.168.1.121

report?

 
  • PeanutBlade
  • PeanutBlade
05 Feb 2025 22:19
Replied by PeanutBlade on topic LinuxCNC with raspberry Pi5. Ethercat and step/dir interface.

LinuxCNC with raspberry Pi5. Ethercat and step/dir interface.

Category: General LinuxCNC Questions

Thank you for all the feedback.
I think I will go fully EtherCAT for this machine to simplify the design and avoid multiple communication interfaces in a single machine.Mesa Ethernet or FlexiHAL controllers seem like a perfect fit for my second machine.
  • baikal718
  • baikal718
05 Feb 2025 22:19
NC height probe with NO touchplate in QTDragon? was created by baikal718

NC height probe with NO touchplate in QTDragon?

Category: Basic Configuration

I can't seem to find a whole lot of info on this. As far as I've learned both probes need to be connected to the same input on a Mesa card, but of course that wouldn't work with my NC tool height probe. Is there a possibility to wire a touchplate to a different input? I cant find a good price for a NO height probe and I've already sunk a good deal of money into modifying our router, I'm worried my manager is going to start asking questions soon. I was thinking maybe invert one of the probes with a relay, but I'd rather not involve another component that may fail eventually.

I was also trying to use the height probe as a touch plate just to test it out, but the probing operation kept failing.
Running the latest build freshly installed with a Mesa 7I96 (PWM firmware)

Thanks in advance
  • PCW
  • PCW's Avatar
05 Feb 2025 22:14
Replied by PCW on topic Newbe trying to run 7i92TM

Newbe trying to run 7i92TM

Category: PnCConf Wizard

Yes, I don't think its an issue but a /24 netmask
(255.255.255.0) makes more sense.

I do remember networks setup with WICD broke the static Ethernet
setup but network manager was OK
 
  • h_munktell
  • h_munktell
05 Feb 2025 22:13
Replied by h_munktell on topic Versa Probe with Qtdragon hang

Versa Probe with Qtdragon hang

Category: Basic Configuration

It's annoying that it is random, I can not up till today reproduce the error. Last days of dry running and testing macro codes with probing procedures has not triggered it. But I bet the moment I go live and try to cut something the error will happen.

If I only knew what to look for in HALshow or some logfile, troubleshooting would be easier....
  • martyop
  • martyop
05 Feb 2025 21:52
Replied by martyop on topic Verifying LinuxCNC ISO download.

Verifying LinuxCNC ISO download.

Category: Installing LinuxCNC

OK. My check sum and unknown's match anyway. It would be good to update that page then to say that there is no check sum needed anymore. And remove zsync advice.
I'm sure you are very busy though. Thanks for the reply.
  • unknown
  • unknown
05 Feb 2025 21:41
Replied by unknown on topic Mesa 7C80, RPi4, 20cm ribbon cable and SPI speeds

Mesa 7C80, RPi4, 20cm ribbon cable and SPI speeds

Category: Driver Boards

I don't know how my setup actually works, I have a temporary connection between the RPi5 and my clone via some very messy 150mm DuPont cables, for some reason I can't work out I've seen no comm issues in testing.
Unfortunately not having access to a CRO means I can't actually see the signal.
  • galrub
  • galrub
05 Feb 2025 21:33
unable to get gpio to work on Raspberry Pi 5 using latest image was created by galrub

unable to get gpio to work on Raspberry Pi 5 using latest image

Category: Advanced Configuration

Hello  I am using the latgest build, rpi-5-debian-bookworm-6.12.11-arm64-ext4-2025-01-27-0140.img, on a RP 5, logged in with user 'cnc'

runing:
uname -a
Linux raspberrypi 6.12.11 #1 SMP PREEMPT_RT Mon Jan 27 00:10:15 AEDT 2025 aarch64 GNU/Linux

halcmd -I
loadrt hal_gpio inputs=GPIO18,GPIO23,GPIO24,GPIO25,GPIO8 outputs=GPIO4,GPIO17,GPIO27,GPIO22,GPIO10,GPIO9,GPIO26
Note: Using POSIX realtime
hal_gpio: Failed to register input pin collection
hal_gpio: rtapi_app_main: Operation not permitted (-1)
<stdin>:1: waitpid failed /usr/bin/rtapi_app hal_gpio
<stdin>:1: /usr/bin/rtapi_app exited without becoming ready
<stdin>:1: insmod for hal_gpio failed, returned -1

loadrt hal_pi_gpio exclude=0xC3C03 dir=0x312839C
The Pi model 23 is not known to work with this driver but will be assumed to be be using the RPi2+ layout 40 pin connector
HAL_PI_GPIO: can't open /dev/gpiomem:  2 - No such file or directory
If the error is 'permission denied' then try adding the user who runs
LinuxCNC to the gpio group: sudo gpasswd -a username gpio
HAL_PI_GPIO: can't open /dev/mem:  13 - Permission denied
hal_pi_gpio: rtapi_app_main: Operation not permitted (-1)
<stdin>:2: waitpid failed /usr/bin/rtapi_app hal_pi_gpio
<stdin>:2: /usr/bin/rtapi_app exited without becoming ready
<stdin>:2: insmod for hal_pi_gpio failed, returned -1

any ideas?

I notice some disccusions about this matter in the forum but non of the ideas there helped me,
I tried 'sudo gpasswd -a cnc gpio' but got the reply that cnc is already a member of gpio.

any help will be most welcomed.
  • meister
  • meister
05 Feb 2025 21:32
Replied by meister on topic Semi-realtime hal component

Semi-realtime hal component

Category: HAL

I use the same approach here:
www.youtube.com/shorts/VGWusrDVHlg

I think that's even closer to what you have in mind :)

github.com/multigcs/riocore/blob/main/ri...ons/camjog/camjog.py
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