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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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6
docs/G-Codes.md
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@@ -156,9 +156,9 @@ The following standard commands are supported:
Sets the target temperature for a heater. If a target temperature is
not supplied, the target is 0.
- `SET_PRESSURE_ADVANCE [EXTRUDER=<config_name>] [ADVANCE=<pressure_advance>]
[ADVANCE_LOOKAHEAD_TIME=<pressure_advance_lookahead_time>]`:
Set pressure advance parameters. If EXTRUDER is not specified, it
defaults to the active extruder.
[SMOOTH_TIME=<pressure_advance_smooth_time>]`: Set pressure advance
parameters. If EXTRUDER is not specified, it defaults to the active
extruder.
- `STEPPER_BUZZ STEPPER=<config_name>`: Move the given stepper forward
one mm and then backward one mm, repeated 10 times. This is a
diagnostic tool to help verify stepper connectivity.