is it possible to use linuxcnc only as DRO?

  • RobotMatic
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06 Sep 2023 22:58 #280157 by RobotMatic
I am trying to use linuxcnc for a manual machine to handle only as a coordinate display.
Connect rotary encoders in the screw and make the physical connection where I already connected with linuxcnc with the hal encoder component.
The issue that I cannot find the input signal to the axes to visualize them

The best I can do is connect it like this: but it gives me a tracking error

net xpos-fb encoder.0.position    => joint.0.motor-pos-fb

Where should I connect the encoder signal so that it only displays?

 

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07 Sep 2023 00:28 #280162 by spumco

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07 Sep 2023 14:40 - 08 Sep 2023 12:12 #280207 by RobotMatic
Replied by RobotMatic on topic is it possible to use linuxcnc only as DRO?
Awesome solution Thank you very much!!!!!

It is not working for me, it cannot run on 2.8.4

is only for 2.10!!!!!!!!!!!  where and how do i download linuxcnc 2.10?

can't execute DISPLAY program mdro !!!!!!

what am I doing wrong?



[EMC]
MACHINE = MDRO
DEBUG = 0
VERSION = 1.1

[DISPLAY]
DISPLAY = mdro
GEOMETRY = XZ
POINT_SIZE = 20
MM = 1

 
Last edit: 08 Sep 2023 12:12 by RobotMatic.

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07 Sep 2023 17:11 #280213 by spumco
Replied by spumco on topic is it possible to use linuxcnc only as DRO?
I believe it works with 2.9 as well as 2.10 (master); at least the 2.9 user manual has the MDRO pages in it.

Rodw has posted a link to an ISO file which should make things easy to install 2.9.  Check the first two threads here:

forum.linuxcnc.org/9-installing-linuxcnc
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07 Sep 2023 18:20 #280216 by stefan63
Replied by stefan63 on topic is it possible to use linuxcnc only as DRO?
Yes but as a simple nice DRO solution I woul suggest TouchDRO affordable easy and niiiiiice! I'm i Europe Sweden so I use a ESP32.
My take: www.stockholmviews.com/wp/touchdro-diy-esp32-interface/
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07 Sep 2023 21:06 #280231 by spumco
Replied by spumco on topic is it possible to use linuxcnc only as DRO?
I second that.

I've had a TouchDRO installed on my manual lathe for >10 years.  Same ancient arduino, powered on continuously, and a $20 used tablet.  Works extremely well.

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08 Sep 2023 15:45 #280278 by RobotMatic
Replied by RobotMatic on topic is it possible to use linuxcnc only as DRO?
I have managed to install with the debian 12 iso with linuxcnc 2.9 pre
I have updated as much as the system allows me.
the result is still the same as with linuxcnc 2.8.4 debian 10
it can not be executed.
Can someone confirm if it works with 2.9 to know if I'm doing something wrong?

thank you so much

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08 Sep 2023 16:38 - 08 Sep 2023 16:40 #280280 by Aciera
Replied by Aciera on topic is it possible to use linuxcnc only as DRO?
Just tried it:

On 2.9 Bookworm package install -> cannot get it to run

On a 2.10 RIP install -> seems to work fine.


So I'm not sure if it is the install mode or the version. I lean towards the install method since the source code for 2.9 branch seems to include the 'mdro' files.


[edit]
I'm not really familiar with package installations (I cant' find where it installs stuff) as I usually work on RIP installations.
Last edit: 08 Sep 2023 16:40 by Aciera.

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08 Sep 2023 19:45 #280288 by RobotMatic
Replied by RobotMatic on topic is it possible to use linuxcnc only as DRO?
thanks!!!

sorry, what is a RIP installation?

I do not know the term RIP

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08 Sep 2023 21:07 #280292 by tommylight
Replied by tommylight on topic is it possible to use linuxcnc only as DRO?
RIP = Run In Place
It is a way of running LinuxCNC in its own environment, not as a normal installation.
Very useful for development and/or editing as it can be compiled and run very fast to test the changes.
And you can have a normal install and a RIP on the same PC, as they are separate entities.
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