The PIGCS2 support uses this approach.
CreateGCSController creates an instance of the appropriate class of
controller based on the controller's version string:
https://github.com/epics-modules/motor/blob/3683d3f0eaae1b5893cd32615174b646cf259581/motorApp/PIGCS2Src/PIGCSController.cpp#L42
Kevin
On 07/23/2018 09:29 AM, Mark Rivers wrote:
Hi Jörn,
Perhaps what you are asking is if you can define multiple classes:
- Stepper with encoder
- Stepper without encoder
- Piezo with encoder
- Piezo without encoder
I think you should be able to do that using inheritance. You could create a base axis class that your controller class knows about, but then have the actual axis objects based on derived classes that implement the different types.
Mark
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