class ActuatorEmulator(Thread):
'''
This class is used to send signal to actuator every 60 seconds and
subscribe to actuator signal from cloud
'''
def __init__(self):
'''
Constructor
'''
Thread.__init__(self)
self.temp_topic = "/v1.6/devices/smart_home/temp-act/lv"
self.led = False
self.message = None
self.brightness = 0
self.actuator = ActuatorData()
self.set = Settings()
self.sensor = SensorData()
self.temp_mqtt = MqttClientConnector(self.temp_topic)
self.temp_mqtt.subscribe(self.temp_topic)
'''
This thread is used to collect values from cloud using mqtt
Based on given conditions, will send signal to actuator through sensehat
Thread runs once every 60 seconds
'''
def run(self):
while True:
print("Temperature Actuator Value: " +
str(self.temp_mqtt.message()))
if self.temp_mqtt.message(
) == 30 or self.sensor.temp_avg < self.sensor.temp_set:
self.led = self.actuator.setHeater()
elif self.sensor.temp_avg > self.sensor.temp_set or self.temp_mqtt.message(
) == 16:
self.led = self.actuator.setCooler()
else:
None
if self.sensor.humid_avg < self.sensor.humid_set:
self.led = self.actuator.setHumid()
else:
self.led = self.actuator.resetHumid()
self.brightness = self.actuator.setlightBrightness(0)
if self.set.status == 1:
self.actuator.setMessage(self.message)
sleep(60)
Construct objects
'''
connector = MqttClientConnector(topic)
connector.daemon = True
print("Starting system performance application daemon thread...")
### Create an object for sensor data
## call the function
## PAss JSon data into the function
connector.subscribe(host)
time.sleep(3)
print("Ready for receiving data")
msg =connector.message()
logging.debug('JSon Data Received:')
print("Json Data Received:\n "+str(msg)+"\n")
'''
Run thread
'''
#
# brokers_out={"broker2":"test.mosquitto.org"}
# print(brokers_out)
# print("brokers_out is a ",type(brokers_out))
# print("broker 1 address = ",brokers_out["broker2"])
# data_out=json.dumps(brokers_out)# encode object to JSON
# print("\nConverting to JSON\n")
# print ("data -type ",type(data_out))
Created on Mar 5, 2019
Simple Python script for MQTT Subscriber Client
@author: Shyama Sastha Krishnamoorthy Srinivasan
'''
import logging
from labs.common import ConfigConst
from labs.common.ConfigUtil import ConfigUtil
from labs.common.DataUtil import DataUtil
from labs.module06.MqttClientConnector import MqttClientConnector
#Setting values for Topic and address for MQTT broker
topic = "Temperature Sensor"
config = ConfigUtil('../../../config/ConnectedDevicesConfig.props')
host = config.getProperty(ConfigConst.MQTT_GATEWAY_SECTION,
ConfigConst.HOST_KEY)
subscribe = MqttClientConnector(topic)
subscribe.subscribe(host) # Connecting to MQTT Broker
msg = subscribe.message() # Subscribing to required topic
logging.debug('\nJSon Received: ')
print("\nReceived Json data: \n" + str(msg))
data = DataUtil()
sensorData = data.jsonTosensor(msg) # Converting Jsondata to Sensordata
logging.debug('\nJson in "SensorData format": ')
print("\nMessage received in 'SensorData format': \n" + str(sensorData) + "\n")
jsondata = data.sensorTojson(sensorData) # Converting Jsondata to Sensordata
logging.debug('\nBack to Json: ')
print("\nMessage converted back to Json: \n" + str(jsondata) + "\n")
from labs.common.DataUtil import DataUtil
from labs.common.ConfigUtil import ConfigUtil
from labs.module06.MqttClientConnector import MqttClientConnector
'''
Setting the values for Topic and address for the MQTT broker
'''
topic = "Temperature Sensor"
config = ConfigUtil('../../../config/ConnectedDevicesConfig.props')
host = config.getProperty(ConfigConst.ConfigConst.MQTT_CLOUD_SECTION,
ConfigConst.ConfigConst.HOST_KEY)
'''
Connecting to the MQTT Broker and Subscribing to a specified topic
'''
subscribe = MqttClientConnector(topic)
subscribe.subscribe(host)
msg = subscribe.message()
logging.debug('JSON Data Received: ')
print("Json Data Received: " + "\n" + str(msg) + "\n")
'''
Converting the JSON data into Sensor Data
'''
data = DataUtil()
sensor = data.jsonToSensorData(msg)
logging.debug('Json data converted into SensorData')
print("Received SensorData format message " + str(sensor))
'''
Converting the Sensor data to JSON data again
'''
json = data.SensorDataToJson(sensor)
logging.debug('SensorData converted into Json Data: ')
print('Again the Sensor Data is converted into Json Data : \n' + str(json))
@author: GANESHRAM KANAKASABAI
'''
from labs.common import ConfigConst
from labs.common.ConfigUtil import ConfigUtil
from labs.module06.MqttClientConnector import MqttClientConnector
from labs.common.DataUtil import DataUtil
import logging
'''
Setting values for Topic and address for MQTT broker
'''
topic = "Temperature Sensor"
config = ConfigUtil('../../../config/ConnectedDevicesConfig.props')
host = config.getProperty(ConfigConst.ConfigConst.MQTT_CLOUD_SECTION,
ConfigConst.ConfigConst.HOST_KEY)
subscribe = MqttClientConnector(topic)
subscribe.subscribe(host) # Connecting to MQTT Broker
msg = subscribe.message() # Subscribing to specefied Topic
logging.debug('JSon Data Received:')
print("Json Data Received:\n " + str(msg) + "\n")
data = DataUtil()
sensor = data.toSensorfromJson(msg) # Converting Json data to Sensor Data
logging.debug('Json data converted into SensorData')
print("Received message in SensorData format" + str(sensor))
json = data.toJsonfromSensor(sensor)
logging.debug('SensorData converted into Json Data: ')
print('SensorData converted to Json Data again: \n' + str(json))