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  • tommylight
  • tommylight's Avatar
13 May 2025 15:20
Replied by tommylight on topic LinuxCNC via ethernet w5500 and esp32

LinuxCNC via ethernet w5500 and esp32

Category: Show Your Stuff

Did a bit of tweaking and got this to run reliably at 40KHz on all 3 stepgens, got rid of some fuzzy issues where at higher speeds after a jog the motor/output would dither back/forth all the time, adjusted PID so it tracks under 0.1mm at 24M/M always, changed pins (as i have an ESP32 on a Arduino Uno form factor) for the stepper shield, etc.
This uses the HAL2UDP, the older version from github, the new version has something messed up with some "ready" checks, did not feel like dropping into that rabbit hole.
  • Spyderbreath
  • Spyderbreath's Avatar
13 May 2025 15:12
Replied by Spyderbreath on topic Moving from Axis to QtDragon?

Moving from Axis to QtDragon?

Category: Qtvcp

MAX_VELOCITY on both.
 

That works. My confusion was thinking there should of been and _OVERRIDE function like rapid. Thanks, that solved several problems with my setup.
  • DarkPhoinix
  • DarkPhoinix
13 May 2025 15:11
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

  33  s32   RW       16640759  remora.read.tmax

I don't know the CPU clock frequency but if it's say 3 GHz, this is ~5 ms
so if you have a 1 ms servo thread, you are likely dropping packets

This indicates a network latency issue.

So possible the DKMS patch did not apply or there is still something
remaining wrong with the network setup.

I would run the ping test again, as it will show these issues clearly

sudo chrt 99 ping -i .001 -q -c 60000 10.10.10.10

sudo chrt 99 ping -i .001 -q -c 60000 10.10.10.10
PING 10.10.10.10 (10.10.10.10) 56(84) bytes of data.

--- 10.10.10.10 ping statistics ---
60000 packets transmitted, 60000 received, 0% packet loss, time 60017ms
rtt min/avg/max/mdev = 0.128/0.215/3.609/0.047 ms
####################################################
sudo lsmod | grep r8
r8168                 581632  0
####################################################
sudo dmesg | grep r8
[    0.024413] percpu: Embedded 62 pages/cpu s217088 r8192 d28672 u524288
[    0.024419] pcpu-alloc: s217088 r8192 d28672 u524288 alloc=1*2097152
[    0.936673] r8168: loading out-of-tree module taints kernel.
[    0.936799] r8168: module verification failed: signature and/or required key missing - tainting kernel
[    0.949871] r8168 Gigabit Ethernet driver 8.051.02-NAPI loaded
[    0.982399] r8168: This product is covered by one or more of the following patents: US6,570,884, US6,115,776, and US6,327,625.
[    0.982420] r8168  Copyright (C) 2022 Realtek NIC software team <nicfae@realtek.com> 
[    0.996908] r8168 0000:03:00.0 enp3s0: renamed from eth0
[    8.722135] r8168: enp3s0: link up

 
  • Aciera
  • Aciera's Avatar
13 May 2025 15:10
Replied by Aciera on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Category: Advanced Configuration

You have G54 offset active, which is set to Z: 180 so since the spindle nose is in the home position you get a z-position of -180.
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