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extruder: Initial support for "smoothed pressure advance"

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Support averaging the extruder position over a time range to "smooth
out" the velocity changes that occur during pressure advance.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2019-11-05 16:21:06 -05:00
parent da06e185fb
commit 6d0c55b6c1
7 changed files with 108 additions and 175 deletions
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3
docs/Config_Changes.md
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@@ -10,6 +10,9 @@ All dates in this document are approximate.
chip id by default. Update the "serial" setting in the "mcu" config
section accordingly.
20191121: The pressure_advance_lookahead_time parameter has been
removed. See example.cfg for alternate configuration settings.
20191112: The tmc stepper driver virtual enable capability is now
automatically enabled if the stepper does not have a dedicated stepper
enable pin. Remove references to tmcXXXX:virtual_enable from the