mirror of
https://github.com/QIDITECH/klipper.git
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60 lines
2.4 KiB
Python
60 lines
2.4 KiB
Python
from . import fan
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PIN_MIN_TIME = 0.100
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class ChamberFan:
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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:ready", self.handle_ready)
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self.printer.register_event_handler("klippy:connect",
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self.handle_connect)
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self.printer.load_object(config, 'heaters')
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self.heaters = []
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self.fan = fan.Fan(config)
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self.fan_speed = config.getfloat('fan_speed', default=1.,
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minval=0., maxval=1.)
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self.idle_speed = config.getfloat(
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'idle_speed', default=self.fan_speed, minval=0., maxval=1.)
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self.idle_timeout = config.getint("idle_timeout", default=30, minval=0)
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self.heater_names = config.getlist("heater", ())
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self.fan_on = True
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self.last_on = self.idle_timeout
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self.last_speed = 0.
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def handle_connect(self):
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# Heater lookup
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pheaters = self.printer.lookup_object('heaters')
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self.heaters = [pheaters.lookup_heater(n) for n in self.heater_names]
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def handle_ready(self):
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reactor = self.printer.get_reactor()
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reactor.register_timer(self.callback, reactor.monotonic()+PIN_MIN_TIME)
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gcode = self.printer.lookup_object("gcode")
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gcode.register_command("TOGGLE_CHAMBER_FAN", self.cmd_toggle_chamber_fan)
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def cmd_toggle_chamber_fan(self, gcmd):
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self.fan_on = not self.fan_on
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def get_status(self, eventtime):
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return self.fan.get_status(eventtime)
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def callback(self, eventtime):
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speed = 0.
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active = False
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for heater in self.heaters:
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_, target_temp = heater.get_temp(eventtime)
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if target_temp:
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active = True
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if active:
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self.last_on = 0
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speed = self.fan_speed
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elif self.last_on < self.idle_timeout:
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speed = self.idle_speed
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self.last_on += 1
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if not self.fan_on:
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speed = 0.
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if speed != self.last_speed:
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self.last_speed = speed
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curtime = self.printer.get_reactor().monotonic()
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print_time = self.fan.get_mcu().estimated_print_time(curtime)
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self.fan.set_speed(print_time + PIN_MIN_TIME, speed)
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return eventtime + 1.
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def load_config_prefix(config):
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return ChamberFan(config)
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