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Messages - jarekk

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1
.... as I need to service STOP ( from ESC key) in

https://www.machsupport.com/forum/index.php?topic=39819.new;topicseen#new

It is working, but we ( with mariusl) trying to get in production shape.

2
Well, simple diodes with resistors would do as well - then you get bidirectional operation with no extra work ( just more components)

3
Well, the shield would need just routing from port signals. I usually add buffers made from 74AHC familly gates with resistors - this allows immunity to higher voltage then supply ( as long as current is limited with resistor)   

4
Hi,

My company designs professional CNC controllers ( not for Mach) and at some point we had USB controllers for lasers  - with galvanic isolation. But it was still tricky. Now only ethernet - it is cheap and easy these days.

I have ordered that Nucleo board and port my code. I hope people will join and test it - I promise to fix bugs and expand functionality once it is needed ( like probing and axes slaving).

The board has so many I/O that dual port emulation will not be a problem - as long as there are no more then 4 axis.

Simple shield will be needed - I can help with that if somebody makes the design. There are also ready made designs - e.g. https://www.tindie.com/products/Ron/arduino-grbl-to-db25-cnc-shield-kit/
 



6
MSVC 2010 Express with DDK 1760 (for Atl)  works as well

7
Hi,

Few years ago I have made small ethernet controller for Mach3. At that point there was no interest.
Recently I got some some questions whether I could review it ( after 8 years :-) ) and put for others using one of cheap eval boards.

I have made some archeological digging in my copies and found out that I can still compile the code ( VC 2010 Express + DDK)
I would use this one as platform:
https://www.st.com/en/evaluation-tools/nucleo-f429zi.html
25Euro ( in my place locally), it even has Arduino connectors on top ( so you can  use some shields locally)

My guess is it would run about 150..250kHz

I have placed some refreshed code here:
https://github.com/jarekkt/step2mach

I would release it under beerware-like license ( so you can use it and if you appreciate it you can send my 'Paypal' beer )

Last time it worked it used dsPic processor from Microchip. Not all was yet implemented ( like scannig , axes slaving) , but ordinary operation and jogging worked.

So please let me know if there is real need for it ? ( I do not use Mach anymore, I do not know how alive Mach3 is and what is the demand)





8
Yes.

Prehistoric stuff - you might be better trying something for Mach4

But enjoy anyway :-)

https://drive.google.com/open?id=1ZqSI52jAGoCD4DwKGSQSbm6b0nRos22t


9
Well it is not a bug - just feature.

1)  This is Mach feature. Motion plugin get only g-code data. For homeing, keyboard etc. you have to calculate the trajectory yourself. See example in my plugin
2)  Motion plugin has to update the coordinates shown in Mach itself. Again - see my plugin for example.

There is a lot of junk in Mach - not all data is actually filled or used. But you will never find any documentation about it. So do not touch MotionPlanner

10
Well, did you install the Mach plugin wizzard ? (this file comes from there). It is described in the documentation

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