RaspberryPi 3: remote axis display?
- twoflowers
- Topic Author
- Offline
- User is blocked
- Posts: 120
- Thank you received: 32
Now running linuxcnc on X11, I get
Unexpected realtime delay on task 0 with period 50000
This Message will only display once per session.
Run the Latency Test and resolve before continuing.
Unexpected realtime delay on task 0 with period 50000
This Message will only display once per session.
Run the Latency Test and resolve before continuing.
Shutting down and cleaning up LinuxCNC...
task: 2129 cycles, min=0.000049, max=0.034770, avg=0.010206, 0 latency excursions (> 10x expected cycle time of 0.010000s)
Note: Using POSIX realtime
But I still get a realtime error message on the display. ( Does anybody know what causes this message? )
Anyway, when I run the GUI remote over ssh -X ..., I do not get any trealtime error message - but the 3D preview is "a bit" sluggish.
So the question: Does anybody k now how to run axis on my local computer and make it control the romote axis (or linuxcnc) instance?
Please Log in or Create an account to join the conversation.
the error you get is as Ferror i think yoiu shoudt use a 100000 base in first place
even if the latency jumps to 200k it will give you a stepper setup at max 3m/min at 100steps/mm
We got crappy PC here and they run since long time on this setup dayly
Please Log in or Create an account to join the conversation.
- twoflowers
- Topic Author
- Offline
- User is blocked
- Posts: 120
- Thank you received: 32
The realtime error occurs immediately after starting axis, even before the machine is turned on, but it does not occur over ssh. I think it's the GPU that causes trouble, so I'd like to run the axis GUI-part on my PC and the controlling part on the RPi.
Please Log in or Create an account to join the conversation.
- tommylight
- Online
- Moderator
- Posts: 17631
- Thank you received: 5872
Servo thread should be fine.
Please Log in or Create an account to join the conversation.
- twoflowers
- Topic Author
- Offline
- User is blocked
- Posts: 120
- Thank you received: 32
Please Log in or Create an account to join the conversation.
- tommylight
- Online
- Moderator
- Posts: 17631
- Thank you received: 5872
Beware that RPI3 has the ethernet port internally wired through a USB port so the latency/ delay is terrible .
Please Log in or Create an account to join the conversation.
- twoflowers
- Topic Author
- Offline
- User is blocked
- Posts: 120
- Thank you received: 32
To clearify: what kills latency on the RPi3 is opengl, not the usb-stuff.
I just came across "linuxcncrsh", but I still need a way to connect "some" gui -preferably axis - to it. Any idea?
Please Log in or Create an account to join the conversation.
- tommylight
- Online
- Moderator
- Posts: 17631
- Thank you received: 5872
Please Log in or Create an account to join the conversation.
Then just start linuxCNC from the command line.
Please Log in or Create an account to join the conversation.
- twoflowers
- Topic Author
- Offline
- User is blocked
- Posts: 120
- Thank you received: 32
Please Log in or Create an account to join the conversation.