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Why does stepconf now default to BASE_PERIOD = 100000

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02 Sep 2022 01:19 #250962 by Bari
Why does stepconf now default to BASE_PERIOD = 100000 no matter what you enter for you maximum base period jitter?


LINUXCNC - 2.9.0~pre0

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02 Sep 2022 01:49 #250964 by cmorley
From memory - stepconf also calculates period based on you acceleration/velocity settings.
Or have you confirmed the code has been change recently?
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02 Sep 2022 01:50 #250965 by cmorley
or maybe it was step driver timing.

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02 Sep 2022 02:03 #250966 by Bari
Ok looks like it bases it on acceleration/velocity settings vs what your max base time can be based on jitter.

Another question: Removed the option of manually inserting the parallel port
github.com/LinuxCNC/linuxcnc/commit/06a3...2f47186b02a6e65edebc

Any idea why this feature was removed?

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02 Sep 2022 02:08 #250968 by cmorley
manually inserting the parallel port address you mean?
I do not know the rational for that.

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02 Sep 2022 02:13 #250969 by Bari
Yes, manually inserting the parallel port address.

Many LPT cards are not automagically identified so you have to enter the base address manually. By not allowing the user this ability the user can't test stepping in stepconf. The user has to edit the HAL file with an editor and then try to test by running LCNC.

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02 Sep 2022 02:16 #250970 by cmorley
My guess would be they thought all of them were auto identified so it was simpler for users.
If you could add a bug report the linuxcnc github, then it may get fixed before forgotten.
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02 Sep 2022 02:20 #250971 by Bari
Thank you for the help and info!
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