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extruder: Add support for reversing the direction of extruder stepper movement

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Extend SET_EXTRUDER_ROTATION_DISTANCE to support reversing the
direction of extruder movement.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2022-01-29 19:13:31 -05:00
parent 189188e3ca
commit 9ec9742484
9 changed files with 60 additions and 19 deletions
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6
test/klippy/extruders.test
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@@ -13,9 +13,13 @@ G1 X20 Y20 Z1
G1 X25 Y25 E7.5
# Update step_distance
SET_EXTRUDER_STEP_DISTANCE EXTRUDER=extruder DISTANCE=.005
SET_EXTRUDER_ROTATION_DISTANCE EXTRUDER=extruder DISTANCE=33.2
G1 X30 Y30 E8.0
# Reverse step_distance
SET_EXTRUDER_ROTATION_DISTANCE EXTRUDER=extruder DISTANCE=-33.1
G1 X30 Y30 E8.2
# Disable extruder stepper motor
SYNC_STEPPER_TO_EXTRUDER STEPPER=extruder EXTRUDER=
G1 X35 Y35 E8.5