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toolhead: Support step generation in lead up to and after stepper activity

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Add support for kinematic functions that calculate step times based on
a range of the motion queue.  This requires adding additional pause
times when fully flushing the motion queue.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-09-17 22:53:17 -04:00
parent 56cd39f038
commit d00023f3bb
2 changed files with 42 additions and 19 deletions
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5
klippy/kinematics/extruder.py
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@ -59,7 +59,6 @@ class PrinterExtruder:
self.stepper.setup_itersolve('extruder_stepper_alloc')
self.stepper.set_trapq(self.trapq)
toolhead.register_step_generator(self.stepper.generate_steps)
toolhead.register_step_generator(self._free_moves)
# Register commands
gcode = self.printer.lookup_object('gcode')
if self.name == 'extruder':
@ -70,7 +69,7 @@ class PrinterExtruder:
gcode.register_mux_command("SET_PRESSURE_ADVANCE", "EXTRUDER",
self.name, self.cmd_SET_PRESSURE_ADVANCE,
desc=self.cmd_SET_PRESSURE_ADVANCE_help)
def _free_moves(self, flush_time):
def update_move_time(self, flush_time):
self.trapq_free_moves(self.trapq, flush_time)
def get_status(self, eventtime):
return dict(
@ -230,6 +229,8 @@ class PrinterExtruder:
class DummyExtruder:
def set_active(self, print_time, is_active):
return 0.
def update_move_time(self, flush_time):
pass
def check_move(self, move):
raise homing.EndstopMoveError(
move.end_pos, "Extrude when no extruder present")