def check_temperature(self):
temperature = ThermalSensor.get_current_temperature()
logger.info("[Cooling] Temperature: %.2f" % temperature)
if temperature < 2:
logger.info("[Cooling] Temperature is lower than 20 degrees")
self.serial_comunication.turn_off_chiller()
logger.info("[Cooling] Turning off water on chiller")
self.process.state = fermentation.STATES.get('chill_must')
self.process.save()
logger.info("[Cooling] Cooling stage completed! "
"New state: chill_must")
def warm_must(self):
temperature = ThermalSensor.get_current_temperature()
logger.info("[Boiling] Temperature: %.2f" % temperature)
if temperature < self.process.recipe.boiling_temperature:
logger.info("[Boiling] Temperature less than actual " "heat temperature")
self.serial_comunication.turn_on_resistor()
else:
logger.info("[Boiling] Temperature reached!")
self.process.state = STATES.get("add_hops")
self.process.boiling_stop_time = timezone.now() + timedelta(minutes=self.process.recipe.boiling_duration)
logger.info("[Boining] State changed! New state: add_hops")
self.process.save()
def maintain_temperature(self):
temperature = ThermalSensor.get_current_temperature()
if self.freezer_temperature - 2 <= temperature \
<= self.freezer_temperature + 2:
logger.info("[Fermentation] Temperature on range")
self.process.state = STATES.get('process_end')
logger.info("[Fermentation] State changed! "
"New state: process_end")
else:
logger.info("[Fermentation] Temperature not on range")
self.process.state = STATES.get('chill_must')
pass
self.process.save()
def chill_must(self):
self.serial_comunication.turn_on_freezer(self.freezer_temperature)
logger.info('[Fermentation] Cooling must on the freezer')
temperature = ThermalSensor.get_current_temperature()
if temperature > self.freezer_temperature:
logger.info("[Fermentation] Fermentation temperature not reached")
self.process.state = STATES.get('chill_must')
# Decrease temperature
pass
else:
logger.info("[Fermentation] Temperature reached!")
self.process.state = STATES.get('maintain_temperature')
logger.info("[Fermentation] State changed! "
"New state: maintain_temperature")
self.process.save()
def heating(self):
self.serial_comunication.turn_on_resistor(
self.process.recipe.boiling_temperature)
logger.info("[Brewery] Function defined: heating")
temperature = ThermalSensor.get_current_temperature()
logger.info("[Brewery] Temperature: %.2f" % temperature)
if temperature < self.process.actual_heat.temperature:
logger.info("[Brewery] Temperature less than actual "
"heat temperature")
self.serial_comunication.turn_on_resistor(
self.process.actual_heat.temperature)
else:
logger.info("[Brewery] Temperature greater than "
"actual_heat temperature")
self.process.actual_heat_time = timezone.now()
self.process.state = STATES.get('heat_controll')
logger.info("[Brewery] State changed! New state: heat_controll")
self.process.save()
def initial_boiling(self):
boiling_temperature = self.process.recipe.initial_boiling_temperature
self.serial_comunication.turn_on_resistor(boiling_temperature)
temperature = ThermalSensor.get_current_temperature()
logger.info("[Brewery] Temperature: %.2f" % temperature)
if temperature < boiling_temperature:
logger.info("[Brewery] Actual temperature is lower "
"than %.2f" % boiling_temperature)
self.serial_comunication.turn_on_resistor(boiling_temperature)
pass
else:
logger.info("[Brewery] Actual temperature is greater "
"than %.2f" % boiling_temperature)
self.serial_comunication.turn_off_resistor(1)
self.process.state = STATES.get('insert_malt')
self.serial_comunication.activate_alarm()
logger.info("[Brewery] State changed! New state: insert_malt")
self.process.save()