def __init__(self):
super().__init__()
self.ui = Ui_Dialog()
self.ui.setupUi(self)
self.dht = DHTUser(22, 4)
self.tempUnit = 0 # 0 - Celcius and 1 - Fahrenheit Start with Celcius state
##database object
self.db = Database()
self.db.start()
self.minT = 0
self.maxT = 0
self.minH = 0
self.maxH = 0
self.readingCount = 0
self.ui.todaysDateLabel.setText(
datetime.datetime.now().strftime("%d %b, %Y"))
self.TempthresholdUpdateEvent()
self.HumthresholdUpdateEvent()
self.ui.requestDataButton.clicked.connect(self.updateTempHumUI)
self.ui.CtempButton.clicked.connect(self.setTempCelcius)
self.ui.FtempButton.clicked.connect(self.setTempFahrenheit)
self.ui.timerResolutionSpinBox.valueChanged.connect(
self.updateTimerEvent)
self.ui.startTimerButton.clicked.connect(self.startTimerEvent)
self.ui.stopTimerButton.clicked.connect(self.stopTimerEvent)
self.ui.stopTimerButton.setEnabled(False)
self.ui.CtempButton.setEnabled(False)
self.readingsTimer = QtCore.QTimer()
self.readingsTimer.timeout.connect(self.timerTickEvent)
self.now = 0
self.ui.tempUnitThresholdDisplaySlider.valueChanged.connect(
self.TempthresholdUpdateEvent)
self.ui.humUnitThresholdDisplaySlider.valueChanged.connect(
self.HumthresholdUpdateEvent)
self.realTimePlotter = RealTimePlotter()
self.tempList = []
self.humList = []
self.ui.staticGraphButton.clicked.connect(self.openStaticGraph)
self.ui.clearReadingsButton.clicked.connect(self.clearStoredReadings)
self.AWSMQTT = AWSMQTTInterface()
self.pushreadingsTimer = QtCore.QTimer()
self.pushreadingsTimer.timeout.connect(self.__takeReadings)
self.pushreadingsTimer.start(5000) #5sec timer
#webserver
self.server = DHTWebserver(self.db, True)
self.server.start()
def __init__(self):
super().__init__()
self.ui = Ui_Dialog()
self.ui.setupUi(self)
self.dht = DHTUser(22, 4)
self.tempUnit = 0 # 0 - Celcius and 1 - Fahrenheit Start with Celcius state
##database object
self.db = Database()
self.db.start()
self.minT = 0
self.maxT = 0
self.minH = 0
self.maxH = 0
self.readingCount = 0
self.ui.todaysDateLabel.setText(
datetime.datetime.now().strftime("%d %b, %Y"))
self.TempthresholdUpdateEvent()
self.HumthresholdUpdateEvent()
self.ui.requestDataButton.clicked.connect(self.updateTempHumUI)
self.ui.CtempButton.clicked.connect(self.setTempCelcius)
self.ui.FtempButton.clicked.connect(self.setTempFahrenheit)
self.ui.timerResolutionSpinBox.valueChanged.connect(
self.updateTimerEvent)
self.ui.startTimerButton.clicked.connect(self.startTimerEvent)
self.ui.stopTimerButton.clicked.connect(self.stopTimerEvent)
self.ui.stopTimerButton.setEnabled(False)
self.ui.CtempButton.setEnabled(False)
self.readingsTimer = QtCore.QTimer()
self.readingsTimer.timeout.connect(self.timerTickEvent)
self.now = 0
self.ui.tempUnitThresholdDisplaySlider.valueChanged.connect(
self.TempthresholdUpdateEvent)
self.ui.humUnitThresholdDisplaySlider.valueChanged.connect(
self.HumthresholdUpdateEvent)
self.realTimePlotter = RealTimePlotter()
self.tempList = []
self.humList = []
self.ui.staticGraphButton.clicked.connect(self.openStaticGraph)
self.ui.clearReadingsButton.clicked.connect(self.clearStoredReadings)
self.AWSMQTT = AWSMQTTInterface()
self.pushreadingsTimer = QtCore.QTimer()
self.pushreadingsTimer.timeout.connect(self.__takeReadings)
self.pushreadingsTimer.start(5000) #5sec timer
#webserver
self.server = DHTWebserver(self.db, True)
self.server.start()
#protocol comparsion objects
#mqtt
self.mqtt = MQTTWrapper("gunjshreya", "iot.eclipse.org")
self.mqtt.subscribe("test/MQTTClient", self.__myMQTTSubCallback)
self.wsServer = WebsocketWrapper()
self.wsServer.start()
self.coapServer = CoAPWrapper()
self.protocolThread = threading.Thread(target=self.__startProtocolLoop)
self.protocolThread.daemon = True
self.protocolThread.start()
class AppWindow(QDialog):
def __init__(self):
super().__init__()
self.ui = Ui_Dialog()
self.ui.setupUi(self)
self.dht = DHTUser(22, 4)
self.tempUnit = 0 # 0 - Celcius and 1 - Fahrenheit Start with Celcius state
##database object
self.db = Database()
self.db.start()
self.minT = 0
self.maxT = 0
self.minH = 0
self.maxH = 0
self.readingCount = 0
self.ui.todaysDateLabel.setText(
datetime.datetime.now().strftime("%d %b, %Y"))
self.TempthresholdUpdateEvent()
self.HumthresholdUpdateEvent()
self.ui.requestDataButton.clicked.connect(self.updateTempHumUI)
self.ui.CtempButton.clicked.connect(self.setTempCelcius)
self.ui.FtempButton.clicked.connect(self.setTempFahrenheit)
self.ui.timerResolutionSpinBox.valueChanged.connect(
self.updateTimerEvent)
self.ui.startTimerButton.clicked.connect(self.startTimerEvent)
self.ui.stopTimerButton.clicked.connect(self.stopTimerEvent)
self.ui.stopTimerButton.setEnabled(False)
self.ui.CtempButton.setEnabled(False)
self.readingsTimer = QtCore.QTimer()
self.readingsTimer.timeout.connect(self.timerTickEvent)
self.now = 0
self.ui.tempUnitThresholdDisplaySlider.valueChanged.connect(
self.TempthresholdUpdateEvent)
self.ui.humUnitThresholdDisplaySlider.valueChanged.connect(
self.HumthresholdUpdateEvent)
self.realTimePlotter = RealTimePlotter()
self.tempList = []
self.humList = []
self.ui.staticGraphButton.clicked.connect(self.openStaticGraph)
self.ui.clearReadingsButton.clicked.connect(self.clearStoredReadings)
self.AWSMQTT = AWSMQTTInterface()
self.pushreadingsTimer = QtCore.QTimer()
self.pushreadingsTimer.timeout.connect(self.__takeReadings)
self.pushreadingsTimer.start(5000) #5sec timer
#webserver
self.server = DHTWebserver(self.db, True)
self.server.start()
#protocol comparsion objects
#mqtt
self.mqtt = MQTTWrapper("gunjshreya", "iot.eclipse.org")
self.mqtt.subscribe("test/MQTTClient", self.__myMQTTSubCallback)
self.wsServer = WebsocketWrapper()
self.wsServer.start()
self.coapServer = CoAPWrapper()
self.protocolThread = threading.Thread(target=self.__startProtocolLoop)
self.protocolThread.daemon = True
self.protocolThread.start()
def __startProtocolLoop(self):
self.mqtt.loopStart()
self.coapServer.start()
def __myMQTTSubCallback(self, mqttObject, client, userdatta, message):
print("publishing to MQTTServerEcho")
#mqttObject.publish("test/MQTTServerEcho","ECHO-- "+str(message.payload.decode("utf-8")))
mqttObject.publish("test/MQTTServerEcho", message.payload)
def __takeReadings(self):
humidity, temperature = self.dht.read()
if humidity is not None and temperature is not None:
self.__setSensorStatus(True)
self.updateTempHumUIElem(humidity, temperature)
self.updateTempHumExtraUIElem(humidity, temperature)
timestamp = datetime.datetime.now().strftime("%x:%X")
#humidity = "{0:.2f}".format(humidity)
#temperature = "{0:.2f}".format(temperature)
self.__updateDBEvent(timestamp, humidity, temperature)
self.__awsPushData(timestamp, humidity, temperature)
#print ("Get DB:",self.db.getLatestData(1))
else:
print("ERROR SENSOR DISCONNECTED")
self.__setSensorStatus(False)
def __awsPushData(self, timestamp, humidity, temperature):
if humidity is not None and temperature is not None:
jsonDataPacket = {}
jsonDataPacket['timestamp'] = timestamp
jsonDataPacket['humidity'] = humidity
jsonDataPacket['temperature'] = temperature
self.AWSMQTT.publishData(jsonDataPacket)
def __updateDBEvent(self, timestamp, humidity, temperature):
if humidity is not None and temperature is not None:
#data = [datetime.datetime.now().strftime("%x:%X"),"{0:.2f}".format(temperature),"{0:.2f}".format(humidity)]
data = [timestamp, round(temperature, 2), round(humidity, 2)]
self.db.putData(data)
#print ("DB Data:",data)
self.__setSensorStatus(True)
else:
self.__setSensorStatus(False)
def openStaticGraph(self):
self.realTimePlotter.plotStatic(self.tempList, self.humList)
def clearStoredReadings(self):
self.tempList.clear()
self.humList.clear()
def TempthresholdUpdateEvent(self):
self.ui.tempValueThresholdDisplayLabel.setText(
str(self.ui.tempUnitThresholdDisplaySlider.value()))
def HumthresholdUpdateEvent(self):
self.ui.humValueThresholdDisplayLabel.setText(
str(self.ui.humUnitThresholdDisplaySlider.value()))
def startTimerEvent(self):
print("Start Timer")
self.ui.stopTimerButton.setEnabled(True)
self.ui.startTimerButton.setEnabled(False)
self.ui.requestDataButton.setEnabled(False)
#print ("Timer value:" + str(self.ui.timerResolutionSpinBox.value()))
self.now = 0
if self.ui.realtimeGraphTimerCheckbox.isChecked() is True:
self.realTimePlotter.startPlotter()
self.readingsTimer.start(self.ui.timerResolutionSpinBox.value() * 1000)
def timerTickEvent(self):
self.now += 1
humidity, temperature = self.dht.read()
if humidity is not None and temperature is not None and self.realTimePlotter.isPlotterRunning(
) is True:
self.realTimePlotter.putData([humidity, temperature])
def stopTimerEvent(self):
print("Stop Timer")
self.readingsTimer.stop()
if self.realTimePlotter.isPlotterRunning() is True:
self.realTimePlotter.stopPlotter()
self.ui.stopTimerButton.setEnabled(False)
self.ui.startTimerButton.setEnabled(True)
self.ui.requestDataButton.setEnabled(True)
def updateTimerEvent(self):
if self.readingsTimer.isActive() is True:
self.readingsTimer.stop()
self.now = 0
print("Updated Timer value:" +
str(self.ui.timerResolutionSpinBox.value()))
self.readingsTimer.start(self.ui.timerResolutionSpinBox.value() *
1000)
def setTempCelcius(self):
if (self.tempUnit == 1): #if in Fah state
self.tempUnit = 0 ##changing back to Celcius state
self.updateSensorReadingsUIElement(
self.ui.humidityLCD.value(),
self.convertTemp(self.ui.temperatureLCD.value(), True))
self.ui.FtempButton.setEnabled(True)
self.ui.CtempButton.setEnabled(False)
##updating the threshold related UI elements
newTh = self.convertTemp(
self.ui.tempUnitThresholdDisplaySlider.value(), True)
self.ui.tempUnitThresholdDisplaySlider.setMinimum(-15)
self.ui.tempUnitThresholdDisplaySlider.setMaximum(60)
self.ui.tempUnitThresholdDisplaySlider.setValue(ceil(newTh))
self.ui.tempValueThresholdDisplayLabel.setText(str(ceil(newTh)))
self.ui.tempUnitThresholdDisplayLabel.setText("C")
def setTempFahrenheit(self):
if self.tempUnit == 0: #if in C state
self.tempUnit = 1 ##changing back to Fah state
self.updateSensorReadingsUIElement(self.ui.humidityLCD.value(),
self.ui.temperatureLCD.value())
self.ui.FtempButton.setEnabled(False)
self.ui.CtempButton.setEnabled(True)
##updating the threshold related UI elements
newTh = self.convertTemp(
self.ui.tempUnitThresholdDisplaySlider.value(), False)
self.ui.tempUnitThresholdDisplaySlider.setMinimum(5)
self.ui.tempUnitThresholdDisplaySlider.setMaximum(120)
self.ui.tempUnitThresholdDisplaySlider.setValue(ceil(newTh))
self.ui.tempValueThresholdDisplayLabel.setText(str(ceil(newTh)))
self.ui.tempUnitThresholdDisplayLabel.setText("F")
def convertTemp(self, tempVal, toCelcius):
if toCelcius == True:
return ((tempVal - 32) * (5 / 9))
else:
return ((tempVal * (9 / 5)) + 32)
def updateSensorReadingsUIElement(self, humidity, temperature):
if self.tempUnit == 1: ## we need temp values in F
temperature = self.convertTemp(temperature, False)
self.ui.temperatureLCD.display("{:.1f}".format(temperature))
self.ui.humidityLCD.display("{:.1f}".format(humidity))
def updateAlarm(self, humidity, temperature):
if (self.tempUnit == 1):
temperature = self.convertTemp(temperature, False)
##print ("Read: hum {}, temp {} -- th h {} t {}",humidity, temperature, self.ui.humUnitThresholdDisplaySlider.value(), self.ui.tempUnitThresholdDisplaySlider.value())
if (humidity > self.ui.humUnitThresholdDisplaySlider.value()):
self.ui.humThresholdAlarm.setStyleSheet(
"QLabel { background-color : red; color : white; }")
else:
self.ui.humThresholdAlarm.setStyleSheet(
"QLabel { background-color : none; color : white; }")
if (temperature > self.ui.tempUnitThresholdDisplaySlider.value()):
self.ui.tempThresholdAlarm.setStyleSheet(
"QLabel { background-color : red; color : white; }")
else:
self.ui.tempThresholdAlarm.setStyleSheet(
"QLabel { background-color : none; color : white; }")
def __setSensorStatus(self, isConnected=True):
if isConnected:
self.ui.sensorStatus.setText("Sensor Connected")
self.ui.sensorStatus.setStyleSheet(
"QLabel { background-color : green; color : white; }")
else:
self.ui.sensorStatus.setText("Sensor Disconnected")
self.ui.sensorStatus.setStyleSheet(
"QLabel { background-color : red; color : white; }")
def updateTempHumUI(self):
print("Request Data")
#humidity, temperature = self.dht.read()
#self.updateTempHumUIElem(humidity, temperature)
#self.updateTempHumExtraUIElem(humidity, temperature)
def updateTempHumExtraUIElem(self, humidity, temperature):
if temperature is not None and humidity is not None:
if self.readingCount is 0:
self.minT = temperature
self.minH = humidity
self.maxT = temperature
self.maxH = humidity
self.avgT = temperature
self.avgH = humidity
self.minT = min(self.minT, temperature)
self.maxT = max(self.maxT, temperature)
self.minH = min(self.minH, humidity)
self.maxH = max(self.maxH, humidity)
#print ("Count:",self.readingCount," Curr H:",humidity, " Before AVG H:", self.avgH)
self.avgT = round(
(((self.avgT * self.readingCount) + temperature) /
(self.readingCount + 1)), 2)
self.avgH = round((((self.avgH * self.readingCount) + humidity) /
(self.readingCount + 1)), 2)
#print ("Count:",self.readingCount," Curr H:",humidity, " After AVG H:", self.avgH)
self.readingCount += 1
if self.tempUnit == 1: ## we need temp values in F
self.ui.avgtemperatureLCD.display("{0:.2f}".format(
self.convertTemp(self.avgT, False)))
self.ui.mintemperatureLCD.display("{0:.2f}".format(
self.convertTemp(self.minT, False)))
self.ui.maxtemperatureLCD.display("{0:.2f}".format(
self.convertTemp(self.maxT, False)))
else:
self.ui.avgtemperatureLCD.display("{0:.2f}".format(self.avgT))
self.ui.mintemperatureLCD.display("{0:.2f}".format(self.minT))
self.ui.maxtemperatureLCD.display("{0:.2f}".format(self.maxT))
self.ui.avghumidityLCD.display("{0:.2f}".format(self.avgH))
self.ui.minhumidityLCD.display("{0:.2f}".format(self.minH))
self.ui.maxhumidityLCD.display("{0:.2f}".format(self.maxH))
def updateTempHumUIElem(self, humidity, temperature):
if humidity is not None and temperature is not None:
self.tempList.append(temperature)
self.humList.append(humidity)
self.updateAlarm(humidity, temperature)
self.__setSensorStatus(True)
self.updateSensorReadingsUIElement(humidity, temperature)
self.ui.lastRequestTime.setText(
datetime.datetime.now().strftime("%X"))
return humidity, temperature
else:
self.__setSensorStatus(False)
return 0, 0
def closeEvent(self, event):
print("Application closing. Cleaning up resources")
self.pushreadingsTimer.stop()
self.readingsTimer.stop()
self.mqtt.disconnect()
self.mqtt.loopStop()
self.wsServer.stop()
self.coapServer.stop()
self.server.stop()
#self.server.join()
self.db.stopThread()
class AppWindow(QDialog):
def __init__(self):
super().__init__()
self.ui = Ui_Dialog()
self.ui.setupUi(self)
self.dht = DHTUser(22, 4)
self.tempUnit = 0 # 0 - Celcius and 1 - Fahrenheit Start with Celcius state
self.ui.todaysDateLabel.setText(
datetime.datetime.now().strftime("%d %b, %Y"))
self.TempthresholdUpdateEvent()
self.HumthresholdUpdateEvent()
self.ui.requestDataButton.clicked.connect(self.updateTempHumUI)
self.ui.CtempButton.clicked.connect(self.setTempCelcius)
self.ui.FtempButton.clicked.connect(self.setTempFahrenheit)
self.ui.timerResolutionSpinBox.valueChanged.connect(
self.updateTimerEvent)
self.ui.startTimerButton.clicked.connect(self.startTimerEvent)
self.ui.stopTimerButton.clicked.connect(self.stopTimerEvent)
self.ui.stopTimerButton.setEnabled(False)
self.ui.CtempButton.setEnabled(False)
self.readingsTimer = QtCore.QTimer()
self.readingsTimer.timeout.connect(self.timerTickEvent)
self.now = 0
self.ui.tempUnitThresholdDisplaySlider.valueChanged.connect(
self.TempthresholdUpdateEvent)
self.ui.humUnitThresholdDisplaySlider.valueChanged.connect(
self.HumthresholdUpdateEvent)
self.realTimePlotter = RealTimePlotter()
self.tempList = []
self.humList = []
self.ui.staticGraphButton.clicked.connect(self.openStaticGraph)
self.ui.clearReadingsButton.clicked.connect(self.clearStoredReadings)
##database object
self.db = Database()
self.db.start()
self.dbreadingsTimer = QtCore.QTimer()
self.dbreadingsTimer.timeout.connect(self.__updateDBEvent)
self.dbreadingsTimer.start(1000) #5sec timer
#webserver
self.server = DHTWebserver(self.db, True)
self.server.start()
def __updateDBEvent(self):
humidity, temperature = self.dht.read()
if humidity is not None and temperature is not None:
data = [
datetime.datetime.now().strftime("%x:%X"), temperature,
humidity
]
self.db.putData(data)
#print (data)
self.__setSensorStatus(True)
else:
self.__setSensorStatus(False)
def openStaticGraph(self):
self.realTimePlotter.plotStatic(self.tempList, self.humList)
def clearStoredReadings(self):
self.tempList.clear()
self.humList.clear()
def TempthresholdUpdateEvent(self):
self.ui.tempValueThresholdDisplayLabel.setText(
str(self.ui.tempUnitThresholdDisplaySlider.value()))
def HumthresholdUpdateEvent(self):
self.ui.humValueThresholdDisplayLabel.setText(
str(self.ui.humUnitThresholdDisplaySlider.value()))
def startTimerEvent(self):
print("Start Timer")
self.ui.stopTimerButton.setEnabled(True)
self.ui.startTimerButton.setEnabled(False)
self.ui.requestDataButton.setEnabled(False)
#print ("Timer value:" + str(self.ui.timerResolutionSpinBox.value()))
self.now = 0
if self.ui.realtimeGraphTimerCheckbox.isChecked() is True:
self.realTimePlotter.startPlotter()
self.readingsTimer.start(self.ui.timerResolutionSpinBox.value() * 1000)
def timerTickEvent(self):
self.now += 1
humidity, temperature = self.updateTempHumUI()
if self.realTimePlotter.isPlotterRunning() is True:
self.realTimePlotter.putData([humidity, temperature])
def stopTimerEvent(self):
print("Stop Timer")
self.readingsTimer.stop()
if self.realTimePlotter.isPlotterRunning() is True:
self.realTimePlotter.stopPlotter()
self.ui.stopTimerButton.setEnabled(False)
self.ui.startTimerButton.setEnabled(True)
self.ui.requestDataButton.setEnabled(True)
def updateTimerEvent(self):
if self.readingsTimer.isActive() is True:
self.readingsTimer.stop()
self.now = 0
print("Updated Timer value:" +
str(self.ui.timerResolutionSpinBox.value()))
self.readingsTimer.start(self.ui.timerResolutionSpinBox.value() *
1000)
def setTempCelcius(self):
if (self.tempUnit == 1): #if in Fah state
self.tempUnit = 0 ##changing back to Celcius state
self.updateSensorReadingsUIElement(
self.ui.humidityLCD.value(),
self.convertTemp(self.ui.temperatureLCD.value(), True))
self.ui.FtempButton.setEnabled(True)
self.ui.CtempButton.setEnabled(False)
##updating the threshold related UI elements
newTh = self.convertTemp(
self.ui.tempUnitThresholdDisplaySlider.value(), True)
self.ui.tempUnitThresholdDisplaySlider.setMinimum(-15)
self.ui.tempUnitThresholdDisplaySlider.setMaximum(60)
self.ui.tempUnitThresholdDisplaySlider.setValue(ceil(newTh))
self.ui.tempValueThresholdDisplayLabel.setText(str(ceil(newTh)))
self.ui.tempUnitThresholdDisplayLabel.setText("C")
def setTempFahrenheit(self):
if self.tempUnit == 0: #if in C state
self.tempUnit = 1 ##changing back to Fah state
self.updateSensorReadingsUIElement(self.ui.humidityLCD.value(),
self.ui.temperatureLCD.value())
self.ui.FtempButton.setEnabled(False)
self.ui.CtempButton.setEnabled(True)
##updating the threshold related UI elements
newTh = self.convertTemp(
self.ui.tempUnitThresholdDisplaySlider.value(), False)
self.ui.tempUnitThresholdDisplaySlider.setMinimum(5)
self.ui.tempUnitThresholdDisplaySlider.setMaximum(120)
self.ui.tempUnitThresholdDisplaySlider.setValue(ceil(newTh))
self.ui.tempValueThresholdDisplayLabel.setText(str(ceil(newTh)))
self.ui.tempUnitThresholdDisplayLabel.setText("F")
def convertTemp(self, tempVal, toCelcius):
if toCelcius == True:
return ((tempVal - 32) * (5 / 9))
else:
return ((tempVal * (9 / 5)) + 32)
def updateSensorReadingsUIElement(self, humidity, temperature):
if self.tempUnit == 1: ## we need temp values in F
temperature = self.convertTemp(temperature, False)
self.ui.temperatureLCD.display("{:.1f}".format(temperature))
self.ui.humidityLCD.display("{:.1f}".format(humidity))
def updateAlarm(self, humidity, temperature):
if (self.tempUnit == 1):
temperature = self.convertTemp(temperature, False)
##print ("Read: hum {}, temp {} -- th h {} t {}",humidity, temperature, self.ui.humUnitThresholdDisplaySlider.value(), self.ui.tempUnitThresholdDisplaySlider.value())
if (humidity > self.ui.humUnitThresholdDisplaySlider.value()):
self.ui.humThresholdAlarm.setStyleSheet(
"QLabel { background-color : red; color : white; }")
else:
self.ui.humThresholdAlarm.setStyleSheet(
"QLabel { background-color : none; color : white; }")
if (temperature > self.ui.tempUnitThresholdDisplaySlider.value()):
self.ui.tempThresholdAlarm.setStyleSheet(
"QLabel { background-color : red; color : white; }")
else:
self.ui.tempThresholdAlarm.setStyleSheet(
"QLabel { background-color : none; color : white; }")
def __setSensorStatus(self, isConnected=True):
if isConnected:
self.ui.sensorStatus.setText("Sensor Connected")
self.ui.sensorStatus.setStyleSheet(
"QLabel { background-color : green; color : white; }")
else:
self.ui.sensorStatus.setText("Sensor Disconnected")
self.ui.sensorStatus.setStyleSheet(
"QLabel { background-color : red; color : white; }")
def updateTempHumUI(self):
#print ("Request Data")
humidity, temperature = self.dht.read()
if humidity is not None and temperature is not None:
self.tempList.append(temperature)
self.humList.append(humidity)
self.updateAlarm(humidity, temperature)
self.__setSensorStatus(True)
self.updateSensorReadingsUIElement(humidity, temperature)
self.ui.lastRequestTime.setText(
datetime.datetime.now().strftime("%X"))
return humidity, temperature
else:
self.__setSensorStatus(False)
return 0, 0
def closeEvent(self, event):
print("Application closing. Cleaning up resources")
self.dbreadingsTimer.stop()
#latestData = self.db.getLatestData(10)
#print ("Return data"),
#print (latestData)
self.server.stop()
self.db.stopThread()