71 lines
3.0 KiB
Python
71 lines
3.0 KiB
Python
# Heater handling on homing moves
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#
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# Copyright (C) 2016-2018 Kevin O'Connor <kevin@koconnor.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import logging
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class HomingHeaters:
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def __init__(self, config):
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self.printer = config.get_printer()
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self.printer.register_event_handler("klippy:connect",
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self.handle_connect)
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self.printer.register_event_handler("homing:homing_move_begin",
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self.handle_homing_move_begin)
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self.printer.register_event_handler("homing:homing_move_end",
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self.handle_homing_move_end)
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self.heaters_to_disable = config.get("heaters", "")
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self.disable_heaters = []
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self.steppers_needing_quiet = config.get("steppers", "")
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self.flaky_steppers = []
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self.pheaters = self.printer.load_object(config, 'heaters')
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self.target_save = {}
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def handle_connect(self):
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# heaters to disable
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all_heaters = self.pheaters.get_all_heaters()
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self.disable_heaters = [n.strip()
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for n in self.heaters_to_disable.split(',')]
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if self.disable_heaters == [""]:
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self.disable_heaters = all_heaters
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else:
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if not all(x in all_heaters for x in self.disable_heaters):
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raise self.printer.config_error(
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"One or more of these heaters are unknown: %s" % (
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self.disable_heaters))
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# steppers valid?
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kin = self.printer.lookup_object('toolhead').get_kinematics()
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all_steppers = [s.get_name() for s in kin.get_steppers()]
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self.flaky_steppers = [n.strip()
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for n in self.steppers_needing_quiet.split(',')]
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if self.flaky_steppers == [""]:
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return
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if not all(x in all_steppers for x in self.flaky_steppers):
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raise self.printer.config_error(
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"One or more of these steppers are unknown: %s" % (
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self.flaky_steppers))
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def check_eligible(self, endstops):
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if self.flaky_steppers == [""]:
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return True
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steppers_being_homed = [s.get_name()
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for es in endstops
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for s in es.get_steppers()]
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return any(x in self.flaky_steppers for x in steppers_being_homed)
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def handle_homing_move_begin(self, endstops):
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if not self.check_eligible(endstops):
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return
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for heater_name in self.disable_heaters:
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heater = self.pheaters.lookup_heater(heater_name)
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self.target_save[heater_name] = heater.get_temp(0)[1]
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heater.set_temp(0.)
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def handle_homing_move_end(self, endstops):
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if not self.check_eligible(endstops):
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return
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for heater_name in self.disable_heaters:
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heater = self.pheaters.lookup_heater(heater_name)
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heater.set_temp(self.target_save[heater_name])
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def load_config(config):
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return HomingHeaters(config)
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