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Buongiorno, sono un nuovo iscritto di appena 78 anni, appassionato di elettronica e meccanica.
Ho bisogno di inserire le funzioni Pausa e Resume per poter fermare gli assi x e y mentre l'asse z si trova in un certo punto, e riprendere il loro movimento quando l'asse z raggiunge il punto successivo (tutto controllato da fotoaccoppiatori). so che è possibile, ma purtroppo la mia competenza nel linguaggio di Linuxcnc è limitata.
Grazie.

I use ecam, as soon as I can I'll send you mine, it works well.

Hello,
Thank you for your reply
Ideally, I would like to integrate the project from PedPex which is a COS SIN converter (with IC-NV chip) for heidenhain glass scale directly as an ethercat module. It would receive COS SIN signal, convert it to quadrature, read by the STM32 then sent to Ethercat.
But this is a little bit out of my league knowledge wise, even if you did most of the job regarding ethercat and Pedpex most of the job regarding COS SIN conversion

I am currently running LINUXCNC - 2.9.7
6.1.0-30-rt-amd64 #1 SMP PREEMPT_RT Debian 6.1.124-1 (2025-01-12) x86_64 GNU/Linux
This was upgraded, re-installed and built from source after my initial installation. I installed Mint on another drive, but the OS took forever to boot, and just felt sluggish.
My main aim is to get something functional and stable going ASAP. I can always make it nice later.

Actually when you know where to look, the documentation runs to hundreds of not thousands  of pages.
setting up a gantry machine requires joint axes and is covered in the  homing docs. linuxcnc.org/docs/stable/html/config/ini-homing.html
You usually need to read that link about 10 times before it makes sense.
Briefly you need a home switch on each joint (eg a joint is a motor). When set up right with negative  home_sequence, the first side of the gantry stops and waits for the other side to catch up before moving in unison. Gantry Squareness is adjusted by setting the home_offset in the ini file