klipper-dgus/klippy/extras/homing_heaters.py

71 lines
3.0 KiB
Python

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