def on_message(self, client, userdata, msg):
if (msg.topic == 'GtoD'):
data = msg.payload.decode()
dataUtil.logAndWrite('Received actuation data from Gateway: ' +
data)
actuate.actuate(
data
) # Calls the actuator method on each received actuation data
def run(self):
while True:
cpu = psutil.cpu_percent() # Get CPU usage
mem = psutil.virtual_memory().percent # Get RAM usage
# Logging the values
cpulog = "CPU Utilization=" + str(cpu)
memlog = "Memory Utilization=" + str(mem)
dataUtil.logAndWrite(cpulog)
dataUtil.logAndWrite(memlog)
self.now = datetime.now()
self.nowtime = str(self.now.strftime("%Y-%m-%dT%H:%M:%S"))
sysJson = '{"device":{"cpu": '+ str(cpu) +',"mem": '+ str(mem) +', "timestamp":'+self.nowtime+' }}'
#self.pub.publish("DtoG", sysJson)
sleep(6)
def addValue(self, data):
self.currentValue = data
self.totalValue += data
self.sampleCount += 1
if (self.maximumValue < data):
self.maximumValue = data # Sets maximum temperature value
if (self.minimumValue > data):
self.minimumValue = data # Sets minimum temperature value
self.getAverageValue()
self.now = datetime.now()
self.nowtime = str(self.now.strftime("%Y-%m-%dT%H:%M:%S"))
self.log = "\n" + self.getName() + ":\n Time : " + str(
self.getTimeStamp()) + "\n Current: " + str(
data) + "\n Average: " + str(
self.getAverageValue()) + "\n Samples: " + str(
self.getCount()) + "\n Min : " + str(
self.getMinValue()) + "\n Max : " + str(
self.getMaxValue()) + "\n"
dataUtil.logAndWrite(self.log) # Prints log to console
def run(self):
while True:
# Get values
self.getTemperature()
self.getHumidity()
self.getPressure()
# Convert to JSON
temperature = DataUtil.toDictSensor(self, tSensorData)
humidity = DataUtil.toDictSensor(self, hSensorData)
pressure = DataUtil.toDictSensor(self, pSensorData)
# Create JSON object
jsonData = DataUtil.tofinalJSON(self, temperature, humidity,
pressure)
# Publish JSON object to Gateway Device
mqttpub.publish("DtoG", jsonData)
dataUtil.logAndWrite('Published sensor data to Gateway: ' +
jsonData)
sleep(10)
def senseDisplay(self, message):
sensehat.clear() # Clear the display
sensehat.set_rotation(self.rotateDeg) # set rotation
try:
dataUtil.logAndWrite('Message displayed on SenseHat LED: ')
sensehat.show_letter(message) # show message on LED
dataUtil.logAndWrite('Actuation Successful..')
except:
dataUtil.logAndWrite(
"Could not connect to the display!"
) # Print error if cannot connect to the actuator
sleep(self.rate)
sensehat.clear()
sleep(self.rate)
def on_connect(self, client, userdata, flags, rc):
dataUtil.logAndWrite(
"Subscribe to Gateway: Connected with result code " + str(rc))