def handle_temperature(topic, message):
reading = float(message)
storage.store_temperature_reading(reading)
temperature = statistics.mean(storage.get_temperature_readings())
temperature = round(temperature, 2)
storage.set("temperature", temperature)
ch_set_on = storage.get("ch_set_on")
if ch_set_on:
# Thermostat logic
delta_above = storage.get("thermostat_delta_above")
delta_below = storage.get("thermostat_delta_below")
set_temp = storage.get("thermostat_temperature")
if temperature < (set_temp - delta_below):
heating_on()
if temperature > (set_temp + delta_above):
heating_off()
ch_running = storage.get("ch_running")
if ch_running:
# This will send the MQTT "on" signal which must be sent
# regularly to prevent the heating turning off due to lack
# of communication.
heating_on()
ws.get_instance().publish("temperature", {"latest_reading": temperature})
mqtt.publish("hub/module/heating/averaged_temperature", temperature)
def heating_on():
mqtt.publish("flat/heating/hallway/chState", "on")
storage.set("ch_running", True)
ws.push_state()
def heating_set_on():
mqtt.publish("flat/heating/hallway/sensorLed", "on")
storage.set("ch_set_on", True)
ws.push_state()
def heating_set_off():
mqtt.publish("flat/heating/hallway/sensorLed", "off")
storage.set("ch_set_on", False)
heating_off() # This will also call ws.push_state()
def heating_off():
mqtt.publish("flat/heating/hallway/chState", "off")
storage.set("ch_running", False)
ws.push_state()