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  • andypugh
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03 Sep 2025 12:20
Replied by andypugh on topic Multi Axis Slow Feedrate

Multi Axis Slow Feedrate

Category: General LinuxCNC Questions

The point of the branch is to have an easy(?) way to look at all the changes.
(As shown in the view linked above)

In some ways it doesn't look too bad, a lot of the change is contained in new files, which should make the merge easier.

On the plus side, it merges without conflicts.

On the minus side, it doesn't seem to build (but I have not actually tried building it locally, and it is possible that the build failure in the CI on Github is caused by something unrelated)
  • andypugh
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03 Sep 2025 12:00

Issue with Inverse Kinematics Failing During Homing – 3-Axis Robot with LinuxCNC

Category: HAL

i think you have to build a new kinematic module for 3 axis robot because Genserkins can't be used for less than 6-axis robot.

This does seem to be true:

github.com/LinuxCNC/linuxcnc/blob/master...cs/genserfuncs.c#L99

But it doesn't look like it would be difficult to make it a load-time parameter. 
See how trivkins uses RTAPI_MP_STRING:
github.com/LinuxCNC/linuxcnc/blob/master...atics/trivkins.c#L48

link_num could be defined the same way with RTAPI_MP_INT
linuxcnc.org/docs/stable/html/man/man3/RTAPI_MP_INT.3rtapi.html
 
  • andypugh
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03 Sep 2025 11:50
Replied by andypugh on topic Mpg stop working

Mpg stop working

Category: AXIS

Is this a USB MPG?

If you look in dmesg do you see it being disconnected?

I think I used to have this problem about 10 years ago, but I don't recall if I ever found a solution. (I stopped using the USB gamepad)
  • andypugh
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03 Sep 2025 11:48
Replied by andypugh on topic Lathe "pecking" on X?

Lathe "pecking" on X?

Category: G&M Codes

What do you mean by "pecking"?
  • andypugh
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03 Sep 2025 11:47
Replied by andypugh on topic Mapping key codes to specific jog rates

Mapping key codes to specific jog rates

Category: Advanced Configuration

github.com/LinuxCNC/linuxcnc/blob/master...scripts/axis.py#L194

Suggests that ",", ".", "<", ">" should change jog rate.
But I don't see the keybindings in the code to make that work.

(I don't have a LinuxCNC machine handy right now to test with)
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