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extruder: Support disassociating a stepper from all extruders

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Support SYNC_STEPPER_TO_EXTRUDER commands with an EXTRUDER parameter
set to an empty string.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2022-01-11 18:13:21 -05:00
parent eb2a67cb95
commit 02d5f9754f
4 changed files with 40 additions and 5 deletions
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7
klippy/kinematics/extruder.py
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@@ -44,12 +44,15 @@ class ExtruderStepper:
mcu_pos = self.stepper.get_past_mcu_position(print_time)
return self.stepper.mcu_to_commanded_position(mcu_pos)
def sync_to_extruder(self, extruder_name):
toolhead = self.printer.lookup_object('toolhead')
toolhead.flush_step_generation()
if not extruder_name:
self.stepper.set_trapq(None)
return
extruder = self.printer.lookup_object(extruder_name, None)
if extruder is None or not isinstance(extruder, PrinterExtruder):
raise self.printer.command_error("'%s' is not a valid extruder."
% (extruder_name,))
toolhead = self.printer.lookup_object('toolhead')
toolhead.flush_step_generation()
self.stepper.set_position([extruder.last_position, 0., 0.])
self.stepper.set_trapq(extruder.get_trapq())
def _set_pressure_advance(self, pressure_advance, smooth_time):