On 09/20/2017 11:00 PM, Rob M wrote:
On Thursday, September 21, 2017 at 5:11:08 AM UTC+10, Bas de Bruijn wrote:
Hi,
I was wondering if I have the following thinking correct regarding
connecting 2 machines.
I’m only interested in pin fiddling for now, so for example machine
has an input connected to a remote component, so pushing the switch
will raise the remote pin (like a LED on a QtQuickVCP remote UI)
Now I would like to connect the hal logic of a second machine (2) to
the remote component of the first machine (1) with as little code as
possible. No (remote) UI’s necessary whatsoever.
What is the “best” solution (if “best” exists) for this? Load a
python script (loadusr) on machine 2 which listens to (define the IP
address etc etc) the remote component of machine 1, and acts on
changing values. Like some sort of bridge…
Is there a way to “configure” hal (give an ip/remote name) during
startup so that remote components listen to other remote components
on other machines?
Thanks,
Bas
Hi Bas,
Just throwing an idea around.
I suppose you could use the mb2hal hal component on one machine and whip
up a python (python confuses me...but rumor has it is easy to do stuff)
script to act as "the other end". If the machines are close enough and
you have enough physical pins you can just "run a wire" between the two.
Tho the method you chose would have to take into account timing
requirements.
I've had a bit of a play around with mb2hal connecting to an Arduino via
modbus tcp (not the way you wanna go) and can confirm it's an easy thing
to setup.
Maybe this might be a library you could use.
http://pythonhosted.org/pyModbusTCP/index.html
Another idea, HALTalk and remote components?
John
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website: http://www.machinekit.io blog: http://blog.machinekit.io github:
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