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  • d12k6
  • d12k6
12 Mar 2025 20:37 - 12 Mar 2025 20:38
Replied by d12k6 on topic Arduino IO Expansion

Arduino IO Expansion

Category: Show Your Stuff

Hello, is it possible to create "internal buttons"? I mean not a physical button, but only in the software e.g.
if(value == x) internal_button = true
  • besriworld
  • besriworld
12 Mar 2025 19:44 - 12 Mar 2025 19:46
Replied by besriworld on topic OLD Lathe conversion to a CNC

OLD Lathe conversion to a CNC

Category: Turning

One time I only received a warning message.
I did the latency test using the script at @ tommylight
Most of the time the maximum delay is 190us
I think when it jumped up 700us I saved a file to a flash drive.

What should I do now?
 

File Attachment:

File Name: 1741790691.hw.txt
File Size:4 KB

File Attachment:

File Name: 1741790691.lat.txt
File Size:624 KB
  • webbyguy
  • webbyguy
12 Mar 2025 19:38
Replied by webbyguy on topic Can't eek out that last bit of jitter

Can't eek out that last bit of jitter

Category: General LinuxCNC Questions

Because I couldn't figure out how to disable smt for my fx 8350 cpu with the rtai kernel.  I tried switching to an X6 1090T.  I also disabled the thermal limits in bios.  My max jitter reduces to +/-14.4us (with all points within +/-5us except the ones right at +/-14.4us.  I wish I had taken a picture.)  I then turned the thermal limits back on, and I got about the same result I was getting for the fx 8350.  So, I turned the thermal limits back of again, but it didn't go back to the +/-14.4us max jitter.  It still looked the same as the fx 8350.  I tried resetting and messing with some other settings, and I can't get back to that +/-14.4us or better.  With some systems, is there some random timing at startup that causes different latency results even though there were no settings changes?
  • Lindley
  • Lindley
12 Mar 2025 19:13

Incorporating HAL script recommendation (2.7.14 to 2.9.4 conversion of XZC

Category: General LinuxCNC Questions

Very possible...wrong file attached.  

In the meantime, found several apparent errors in the HAL when comparing to the original version conversion.  Further,  I had to reset the BIOS to defaults for Debian 12 to install and had not reset the serial port address. This should be consistent set of INI, HAL, and error report files.
  • webbyguy
  • webbyguy
12 Mar 2025 18:39
Replied by webbyguy on topic Can't eek out that last bit of jitter

Can't eek out that last bit of jitter

Category: General LinuxCNC Questions

Thanks royka,
Do you happen to know, in the rtai kernel, would I move the processes with priority listed as rt?
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