Building new Full Qt c/c++ HMI (incl. nml and EtherCAT )

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21 Aug 2021 18:22 - 21 Aug 2021 18:24 #218337 by udoS
Thanks to Grotius there seems to be a great base to get started. I would really like to see this to become a modern look and feel HMI for LinuxCNC. 
Including an EtherCAT. 
Attachments:
Last edit: 21 Aug 2021 18:24 by udoS.
The following user(s) said Thank You: Grotius

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21 Aug 2021 20:48 - 21 Aug 2021 20:49 #218349 by aleksamc
Do you know what is Qtpyvcp?
Last edit: 21 Aug 2021 20:49 by aleksamc.

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21 Aug 2021 21:08 - 21 Aug 2021 21:11 #218351 by udoS
Yes. Great work. In Py. 
But for a modern HMI ( touch ) to me it is heavily overloaded. But that‘ s my personal opinion. 
I would rather go the way I pointed out. 

But thanks. 

P. S. 
Last edit: 21 Aug 2021 21:11 by udoS.

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21 Aug 2021 23:47 #218357 by Grotius
Hi,

Nice. I wish you all the good. Will follow this topic in future.

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22 Aug 2021 06:29 #218379 by udoS
Hi Grotius,
thanks a lot, even so it doesn‘t sound  encouraging. And yes I would like you to stay along. 
First q&a for you if you don‘t mind. 
How do I get that dtg tuple for all axis/joints. 
std::get<n>;(emcStatus->something.dtg);

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22 Aug 2021 18:30 #218424 by cmorley
I was thinking about this the other day.
I wonder when you are finished if we could convince you two to build a QT C++ graphics display WIDGET.
If the widget uses qt properties to control it then it can be used in linuxcnc python based screens.
I would think a modern C++ based widget would have potentially more performance then a python based one.
Then your hard work could be accessed by more people.
We'd get the C++ performance but still retain the python low-bar customize-ability.

Chris

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22 Aug 2021 19:22 - 22 Aug 2021 19:26 #218429 by udoS
Ok, I got the dtg alright. 
For any one. 
Now searching from where to get the „following error“.  
Quote:“this is not funny“ End Quote. 

udoS

to Chris: to build the house, find the bricks. 
Last edit: 22 Aug 2021 19:26 by udoS.

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23 Aug 2021 09:26 #218475 by Grotius
Hi Chris,

Using Qt properties is no problem.
What kind of Qt properties are on the wishlist?
With that info we can determine it's complexity.
 

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23 Aug 2021 14:46 #218521 by udoS

If you have a look at the short YouTube you will see
Linuxcnc
Vismach
Gremlin
and on the win10 the IDE from LogicLab's axel-plc that's online with the plc running on the Linux PC with EtherCAT Master connected to 5 axis Puls/train Board slave. The config is a standard ESI File.
For that plc I build a PlugIn that IPC_CREATE's a named Shem with semaphore to connect to the HAL. In the HAL nothing is connected except 4 axis cmd and 4 axis fb. PLC running at 1ms main task  connecting the linuxcnc Values with the EtherCAT slave. 
Whats commented in the Qt main window is the communication with the plc updating at 50ms.
github.com/cnc-nexT/Qt-Lcnc  
Now the coolest thing would be to use the PlugIn for the nml communication and the Qt also talking to the plc. BINGO.
Maybe no need for the HAL at all. That'll be the day.

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23 Aug 2021 18:24 #218533 by Grotius
Hi,

Do you recognize this qt compile error ?

/usr/bin/ld: /opt/linuxcnc/lib/libnml.so: undefined reference to `xdr_float'
/usr/bin/ld: /opt/linuxcnc/lib/libnml.so: undefined reference to `xdr_double'
etc.

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