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# Support generic temperature sensors
#
# Copyright (C) 2019 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
KELVIN_TO_CELSIUS = -273.15
class PrinterSensorGeneric:
def __init__(self, config):
self.printer = config.get_printer()
self.name = config.get_name().split()[-1]
pheaters = self.printer.load_object(config, "heaters")
self.sensor = pheaters.setup_sensor(config)
self.min_temp = config.getfloat(
"min_temp", KELVIN_TO_CELSIUS, minval=KELVIN_TO_CELSIUS
)
self.max_temp = config.getfloat("max_temp", 99999999.9, above=self.min_temp)
self.sensor.setup_minmax(self.min_temp, self.max_temp)
self.sensor.setup_callback(self.temperature_callback)
pheaters.register_sensor(config, self)
self.last_temp = 0.0
self.measured_min = 99999999.0
self.measured_max = 0.0
def temperature_callback(self, read_time, temp):
self.last_temp = temp
if temp:
self.measured_min = min(self.measured_min, temp)
self.measured_max = max(self.measured_max, temp)
def get_temp(self, eventtime):
return self.last_temp, 0.0
def stats(self, eventtime):
return False, "%s: temp=%.1f" % (self.name, self.last_temp)
def get_status(self, eventtime):
return {
"temperature": round(self.last_temp, 2),
"measured_min_temp": round(self.measured_min, 2),
"measured_max_temp": round(self.measured_max, 2),
}
def load_config_prefix(config):
return PrinterSensorGeneric(config)
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