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# Run user defined actions in place of a normal G28 homing command
#
# Copyright (C) 2018 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
class HomingOverride:
def __init__(self, config):
printer = config.get_printer()
self.script = config.get('gcode')
self.in_script = False
self.gcode = printer.lookup_object('gcode')
self.gcode.register_command("G28", self.cmd_G28)
def cmd_G28(self, params):
if self.in_script:
# Was called recursively - invoke the real G28 command
self.gcode.cmd_G28(params)
return
try:
self.in_script = True
self.gcode.run_script(self.script)
finally:
self.in_script = False
def load_config(config):
if config.get_name() != 'homing_override':
raise config.error("Invalid homing_override config name")
return HomingOverride(config)
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