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extruder: Add a SET_EXTRUDER_ROTATION_DISTANCE command

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Support altering the extruder distance using the higher-level
rotation_distance.  This is in preparation for removal of the
SET_EXTRUDER_STEP_DISTANCE command.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2022-01-29 14:13:26 -05:00
parent 6d7c03365a
commit 189188e3ca
5 changed files with 55 additions and 23 deletions
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31
klippy/kinematics/extruder.py
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@ -28,6 +28,9 @@ class ExtruderStepper:
gcode.register_mux_command("SET_PRESSURE_ADVANCE", "EXTRUDER",
self.name, self.cmd_SET_PRESSURE_ADVANCE,
desc=self.cmd_SET_PRESSURE_ADVANCE_help)
gcode.register_mux_command("SET_EXTRUDER_ROTATION_DISTANCE", "EXTRUDER",
self.name, self.cmd_SET_E_ROTATION_DISTANCE,
desc=self.cmd_SET_E_ROTATION_DISTANCE_help)
gcode.register_mux_command("SET_EXTRUDER_STEP_DISTANCE", "EXTRUDER",
self.name, self.cmd_SET_E_STEP_DISTANCE,
desc=self.cmd_SET_E_STEP_DISTANCE_help)
@ -86,19 +89,29 @@ class ExtruderStepper:
% (pressure_advance, smooth_time))
self.printer.set_rollover_info(self.name, "%s: %s" % (self.name, msg))
gcmd.respond_info(msg, log=False)
cmd_SET_E_ROTATION_DISTANCE_help = "Set extruder rotation distance"
def cmd_SET_E_ROTATION_DISTANCE(self, gcmd):
rotation_dist = gcmd.get_float('DISTANCE', None, above=0.)
if rotation_dist is not None:
toolhead = self.printer.lookup_object('toolhead')
toolhead.flush_step_generation()
self.stepper.set_rotation_distance(rotation_dist)
else:
rotation_dist, spr = self.stepper.get_rotation_distance()
gcmd.respond_info("Extruder '%s' rotation distance set to %0.6f"
% (self.name, rotation_dist))
cmd_SET_E_STEP_DISTANCE_help = "Set extruder step distance"
def cmd_SET_E_STEP_DISTANCE(self, gcmd):
toolhead = self.printer.lookup_object('toolhead')
dist = gcmd.get_float('DISTANCE', None, above=0.)
if dist is None:
step_dist = gcmd.get_float('DISTANCE', None, above=0.)
if step_dist is not None:
toolhead = self.printer.lookup_object('toolhead')
toolhead.flush_step_generation()
rd, steps_per_rotation = self.stepper.get_rotation_distance()
self.stepper.set_rotation_distance(step_dist * steps_per_rotation)
else:
step_dist = self.stepper.get_step_dist()
gcmd.respond_info("Extruder '%s' step distance is %0.6f"
% (self.name, step_dist))
return
toolhead.flush_step_generation()
self.stepper.set_step_dist(dist)
gcmd.respond_info("Extruder '%s' step distance set to %0.6f"
% (self.name, dist))
% (self.name, step_dist))
cmd_SYNC_STEPPER_TO_EXTRUDER_help = "Set extruder stepper"
def cmd_SYNC_STEPPER_TO_EXTRUDER(self, gcmd):
ename = gcmd.get('EXTRUDER')