41 lines
1.8 KiB
Python
41 lines
1.8 KiB
Python
# Code for supporting multiple steppers in single filament extruder.
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#
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# Copyright (C) 2019 Simo Apell <simo.apell@live.fi>
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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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import stepper
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class ExtruderStepper:
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def __init__(self, config):
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self.printer = config.get_printer()
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stepper_name = config.get_name().split()[1]
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self.extruder_name = config.get('extruder', 'extruder')
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self.stepper = stepper.PrinterStepper(config)
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self.stepper.set_max_jerk(9999999.9, 9999999.9)
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self.stepper.setup_itersolve('extruder_stepper_alloc')
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self.printer.register_event_handler("klippy:connect",
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self.handle_connect)
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gcode = self.printer.lookup_object('gcode')
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gcode.register_mux_command("SYNC_STEPPER_TO_EXTRUDER", "STEPPER",
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stepper_name,
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self.cmd_SYNC_STEPPER_TO_EXTRUDER,
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desc=self.cmd_SYNC_STEPPER_TO_EXTRUDER_help)
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def handle_connect(self):
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extruder = self.printer.lookup_object(self.extruder_name)
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extruder.sync_stepper(self.stepper)
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toolhead = self.printer.lookup_object('toolhead')
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toolhead.register_step_generator(self.stepper.generate_steps)
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cmd_SYNC_STEPPER_TO_EXTRUDER_help = "Set extruder stepper"
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def cmd_SYNC_STEPPER_TO_EXTRUDER(self, gcmd):
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ename = gcmd.get('EXTRUDER')
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extruder = self.printer.lookup_object(ename, None)
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if extruder is None:
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raise gcmd.error("'%s' is not a valid extruder." % (ename,))
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extruder.sync_stepper(self.stepper)
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self.extruder_name = ename
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gcmd.respond_info("Extruder stepper now syncing with '%s'" % (ename,))
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def load_config_prefix(config):
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return ExtruderStepper(config)
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