def mqtt_set_mode_callback(self, client, userdata, message):
try:
payload = message.payload.decode().lower()
logging.info("Received HVAC mode update request: {}".format(payload))
self.set_mode(payload)
except Exception as e:
logging.error('Unable to proces message.', e)
mqtt.publish(self.topic, self.payload())
def mqtt_set_temperature_set_point_callback(self, client, userdata, message):
try:
logging.info("Received temperature set point update request: {}".format(message.payload))
payload = float(message.payload.decode())
if self.mode == HVAC.HEAT:
self.set_point_heat = payload
else:
self.set_point_cool = payload
except Exception as e:
logging.error('Unable to proces message.', e)
mqtt.publish(self.topic, self.payload())
def mqtt_callback(self, client, userdata, message):
try:
# print(message)
logging.info("Received command message: {}".format(message))
payload = message.payload
if payload == 'ON':
self.on()
elif payload == 'OFF':
self.off()
except Exception as e:
logging.error('Unable to proces message.', e)
mqtt.publish(self.topic, self.payload())
def setup(self):
# config = json.dumps({'name': self.name, 'device_class': self.device_class})
device_config = {
'name': "Laundry Room Climate",
'identifiers': self.name,
'sw_version': 'rpi2mqtt',
'model': "DHT 22",
'manufacturer': 'Generic'
}
config = json.dumps({
'name': self.name + '_temperature',
'device_class': 'temperature',
'unit_of_measurement': '°F',
'value_template': "{{ value_json.temperature }}",
'unique_id': self.name + '_temperature_rpi2mqtt',
'state_topic': self.topic,
"json_attributes_topic": self.topic,
'device': device_config
})
mqtt.publish(
'homeassistant/sensor/{}_{}/config'.format(self.name, 'temp'),
config)
config = json.dumps({
'name': self.name + '_humidity',
'device_class': 'humidity',
'json_attributes_topic': self.topic,
'unit_of_measurement': '%',
'value_template': "{{ value_json.humidity }}",
'unique_id': self.name + '_humidity_rpi2mqtt',
'state_topic': self.topic,
'device': device_config
})
mqtt.publish(
'homeassistant/sensor/{}_{}/config'.format(self.name, 'humidity'),
config)
def callback(self, **kwargs):
# system active, should we turn it off?
logging.info('Checking temperature...temp = {}, heat_setpoint = {}, cool_setpoint = {}, set_point_tolerance = {}'.format(self.temperature, self.set_point_heat, self.set_point_cool, self.set_point_tolerance))
self.append_tempearture_history()
if self.active:
if self.mode in ['heat', 'aux'] and self.temperature > self.set_point_heat + self.set_point_tolerance:
# turn hvac off
logging.info('Temperature is {}. Turning heat off.'.format(self.temperature))
self.off()
# reset mode to normal heat
if self._boosting_heat:
self.boost_heat(HVAC.OFF)
elif self.mode == 'cool' and self.temperature < self.set_point_cool - self.set_point_tolerance:
# turn hvac off
logging.info('Temperature is {}. Turning cool off.'.format(self.temperature))
self.off()
# should system boost heating with aux heat?
logging.debug("Checking temperature rate of change...current rate = {}, min rate = {}".format(self.temperature_rate_of_change, self.minimum_temp_rate_of_change))
if self.mode == HVAC.HEAT and self.temperature_rate_of_change and self.temperature_rate_of_change <= self.minimum_temp_rate_of_change:
self.boost_heat(HVAC.ON)
else:
if self.mode == 'heat' and self.temperature < self.set_point_heat - self.set_point_tolerance:
# turn hvac on
logging.info('Temperature is {}. Turning heat on.'.format(self.temperature))
self.on()
elif self.mode == 'cool' and self.temperature > self.set_point_cool + self.set_point_tolerance:
# turn hvac on
logging.info('Temperature is {}. Turning cool on.'.format(self.temperature))
self.on()
# system is inactive, should we turn it on?
# logging.info('HVAC is {}. Mode is {}. Temperature is {}.'.format(self.active, self.mode, self.temperature))
mqtt.publish(self.topic, self.payload())
def callback(self, **kwargs):
mqtt.publish(self.topic, self.payload())
def publish_mqtt_discovery(self):
mqtt.publish(self.homeassistant_mqtt_config_topic, self.homeassistant_mqtt_config_json)
logging.debug("Published MQTT discovery config to {}".format(self.homeassistant_mqtt_config_topic))
