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  • hitchhiker
23 Mar 2026 12:37
Replied by hitchhiker on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)
Ahaaa i have laying a 7c81... i use on my rpi4 a 7i92.

Other question

What is the cheapest fpga with which i can start? Can you recommand...

Ach qas laber ich hier auf englisch...
Was ist deiner meinung nach der günstigste fpga zum starten?
Stm32 black und bluepill hab ich... auch n radpberry pico usw..

Danke dir
  • backyardengineer
23 Mar 2026 12:09
Replied by backyardengineer on topic Closed loop - encoder/position not updating while moving
nope, moving way slower than by hand. It´s not getting any position change at all, even with super slow acceleration/velocity
  • meister
23 Mar 2026 11:57
Replied by meister on topic Closed loop - encoder/position not updating while moving
maybe the move is to fast or the resolution of the encoder too high for parport
  • Todd Zuercher
23 Mar 2026 11:55
Replied by Todd Zuercher on topic Updating Old GladeVCP Files?
Ok, I think I figured out why the label colors weren't changing. In Glade, I had a color defined in the label attributes. After I cleared that entry, then the color changing worked.

Now to work on my further modifications.
  • MaHa
23 Mar 2026 11:27
Replied by MaHa on topic Updating Old GladeVCP Files?
It worked for me in the virtual sim environment, debian 12, glade 3.4 installed and axis.mm sim. It was embedded as sidepanel. And the screenshots made when set example pin true/false. 
  • meister
23 Mar 2026 11:14
Replied by meister on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)
short version:

i put the ethernet cable in the rj45 socket :)

longer version:
i used the rio gateware and add an w5500 ethernet board to the spi pins:

 
  • hitchhiker
23 Mar 2026 11:02
Replied by hitchhiker on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)
Could you please explain how you connect the 7c81 via ethernet?
  • backyardengineer
23 Mar 2026 10:19
Closed loop - encoder/position not updating while moving was created by backyardengineer
Hello,
i am currently stuck implementing a direct closed loop (2 axis lathe, parallel port, stepper motor, linear scale for closed loop).
The problem is: I do get the right position feedback, when moving manually (DRO display is correct) and i can see the correct encoder positions (in Hal-Scope: encoder.0.position). However, as soon as i try to move the axis, it starts to move and errors out with following error. If i look in the hal-scope, the "encoder.0.position" does not move one bit during the move (stepper is moving). 

--> Why does read out the position while idling but not while moving ?
Thanks 
  • Todd Zuercher
23 Mar 2026 09:58
Replied by Todd Zuercher on topic Updating Old GladeVCP Files?
When I tested the above code, it would change the text, but the color stayed black (no color changes)
  • grandixximo
23 Mar 2026 08:47
Replied by grandixximo on topic Ethercat random jitter fix
Try with synctorefclock false, and see if your reset counter also counts up or not 
  • TAKUYA
23 Mar 2026 08:09
Replied by TAKUYA on topic Ethercat random jitter fix
@grandixximo
Sync0shift is set to 300000
  • Aciera
23 Mar 2026 07:47
Replied by Aciera on topic Schaublin 125-CNC retrofit.
Note that LinuxCNC only supports Python3/Gtk3 from version 2.9.x so if you are using any custom python or glade code you would have to port those files to python3/gtk3.

In my opinion you'd be better off getting a second ssd and do a fresh install of 2.9.8 on that. Once you get that installed port your config files from the current drive to the new one.
  • Hakan
23 Mar 2026 06:23 - 23 Mar 2026 06:26
Replied by Hakan on topic Ethercat random jitter fix
Did you say you had changing values on pll-reset-count? That one should stay on 1, not increase.
Can you perhaps record pll-err in halscope and show?
  • tommylight
22 Mar 2026 23:47
Replied by tommylight on topic Schaublin 125-CNC retrofit.
From google:
Debian 10 "Buster" reached its official End of Life (EOL) and concluded Long Term Support (LTS) on
June 30, 2024. After this date, Debian no longer provides official security updates or bug fixes, making systems vulnerable.
Try this at your own risk.
gist.github.com/ishad0w/6ce1eb569c734880...#gistcomment-5812428
-
Personally, i will never understand why risk a perfectly working system for absolutely no reason, IF there is nothing you absolutely need/require. I have machines with Ubuntu 8.04 still in daily use. No internet, usually, so...
  • tommylight
22 Mar 2026 23:35
Replied by tommylight on topic Results of latency test, list of computers tested for use with LinuxCNC
Looks perfectly fine, thank you.
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