fan: Move fan code to extras directory

The print cooling fan and printer heater_fan are independent modules
that can reside in the extras directory.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 0 insertions, 64 deletions

diff --git a/klippy/fan.py b/klippy/fan.py
deleted file mode 100644
index 50dc2500..00000000
--- a/klippy/fan.py
+++ /dev/null
@@ -1,64 +0,0 @@
-# Printer fan support
-#
-# Copyright (C) 2016-2018  Kevin O'Connor <kevin@koconnor.net>
-#
-# This file may be distributed under the terms of the GNU GPLv3 license.
-import extruder, pins
-
-FAN_MIN_TIME = 0.1
-PWM_CYCLE_TIME = 0.010
-
-class PrinterFan:
-    def __init__(self, printer, config):
-        self.last_fan_value = 0.
-        self.last_fan_time = 0.
-        self.max_power = config.getfloat('max_power', 1., above=0., maxval=1.)
-        self.kick_start_time = config.getfloat('kick_start_time', 0.1, minval=0.)
-        self.mcu_fan = pins.setup_pin(printer, 'pwm', config.get('pin'))
-        self.mcu_fan.setup_max_duration(0.)
-        self.mcu_fan.setup_cycle_time(PWM_CYCLE_TIME)
-        self.mcu_fan.setup_hard_pwm(config.getint('hard_pwm', 0))
-    def set_speed(self, print_time, value):
-        value = max(0., min(self.max_power, value))
-        if value == self.last_fan_value:
-            return
-        print_time = max(self.last_fan_time + FAN_MIN_TIME, print_time)
-        if (value and value < self.max_power
-            and not self.last_fan_value and self.kick_start_time):
-            # Run fan at full speed for specified kick_start_time
-            self.mcu_fan.set_pwm(print_time, self.max_power)
-            print_time += self.kick_start_time
-        self.mcu_fan.set_pwm(print_time, value)
-        self.last_fan_time = print_time
-        self.last_fan_value = value
-
-class PrinterHeaterFan:
-    def __init__(self, printer, config):
-        self.fan = PrinterFan(printer, config)
-        self.mcu = printer.lookup_object('mcu')
-        heater = config.get("heater", "extruder0")
-        self.heater = extruder.get_printer_heater(printer, heater)
-        self.heater_temp = config.getfloat("heater_temp", 50.0)
-        max_power = self.fan.max_power
-        self.fan_speed = config.getfloat(
-            "fan_speed", max_power, minval=0., maxval=max_power)
-        self.fan.mcu_fan.setup_start_value(0., max_power)
-        reactor = printer.get_reactor()
-        reactor.register_timer(self.callback, reactor.NOW)
-    def callback(self, eventtime):
-        current_temp, target_temp = self.heater.get_temp(eventtime)
-        if not current_temp and not target_temp and not self.fan.last_fan_time:
-            # Printer still starting
-            return eventtime + 1.
-        power = 0.
-        if target_temp or current_temp > self.heater_temp:
-            power = self.fan_speed
-        print_time = self.mcu.estimated_print_time(eventtime) + FAN_MIN_TIME
-        self.fan.set_speed(print_time, power)
-        return eventtime + 1.
-
-def add_printer_objects(printer, config):
-    if config.has_section('fan'):
-        printer.add_object('fan', PrinterFan(printer, config.getsection('fan')))
-    for s in config.get_prefix_sections('heater_fan '):
-        printer.add_object(s.section, PrinterHeaterFan(printer, s))