def __main__(): # check if 1-Wire is setup in the kernel if not oneWire.setupOneWire(str(oneWireGpio)): print( "Kernel module could not be inserted. Please reboot and try again." ) return -1 # get the address of the temperature sensor # it should be the only device connected in this experiment sensorAddress = oneWire.scanOneAddress() # instantiate the temperature sensor object sensor = TemperatureSensor("oneWire", { "address": sensorAddress, "gpio": oneWireGpio }) if not sensor.ready: print( "Sensor was not set up correctly. Please make sure that your sensor is firmly connected to the GPIO specified above and try again." ) return -1 # infinite loop - runs main program code continuously while 1: # check and print the temperature value = sensor.readValue() print("T = " + str(value) + " C") time.sleep(pollingInterval)
def __main__(): # initialize oled oledHelper.init(dirName) device = ubidots.UbidotsDevice(token, deviceName) if not oneWire.setupOneWire(str(oneWireGpio)): print "Kernel module could not be inserted. Please reboot and try again." return -1 # get the address of the temperature sensor # it should be the only device connected in this experiment sensorAddress = oneWire.scanOneAddress() # instantiate the temperature sensor object sensor = temperatureSensor.TemperatureSensor("oneWire", { "address": sensorAddress, "gpio": oneWireGpio }) if not sensor.ready: print "Sensor was not set up correctly. Please make sure that your sensor is firmly connected to the GPIO specified above and try again." return -1 # check and print the temperature temperature = sensor.readValue() dataPoint = {"temperature": temperature} device.pushDataPoint(dataPoint) # write to oled screen oledHelper.writeMeasurements(temperature)
def setupSensor(self): if not self.oneWireStatus: return False if not self.sensorAddress: self.sensorAddress = oneWire.scanOneAddress() self.logger.info('Found logger with address: {}'.format( self.sensorAddress )) if not self.sensorAddress: return False self.sensor = SensorInitiator('oneWire', { 'address': self.sensorAddress, 'gpio': self.configs.tempSensorPin }) if not self.sensor.ready: self.logger.warning( 'Sensor was not set up correctly. Please make ' 'sure that your sensor is firmly connected ' 'to the GPIO {} and try again.'.format( self.configs.tempSensorPin ) ) self.lastTemperature = self.sensor.readValue() return True
def __main__(): if not oneWire.setupOneWire(str(oneWireGpio)): print "Kernel module could not be inserted. Please reboot and try again." return -1 # get the address of the temperature sensor # it should be the only device connected in this experiment sensorAddress = oneWire.scanOneAddress() # instantiate the temperature sensor object sensor = temperatureSensor.TemperatureSensor("oneWire", { "address": sensorAddress, "gpio": oneWireGpio }) if not sensor.ready: print "Sensor was not set up correctly. Please make sure that your sensor is firmly connected to the GPIO specified above and try again." return -1 # check and print the temperature temperature = sensor.readValue() dataPoint = {"temperature": temperature} # temperature is in deg C # To change to deg F, add following line: temperature = temperature * (9.0 / 5.0) + 32.0 # Post to Twitter twitter.update_status(status="Current Omega2 temperature: " + str(temperature)) + "F"
def getTemp(): # check if 1-Wire was setup in the kernel if not oneWire.setupOneWire(str(oneWireGpio)): print "Kernel module could not be inserted. Please reboot and try again." return -1 # get the address of the temp sensor # it should be the only device connected to this experiment sensorAddress = oneWire.scanOneAddress() sensor = TemperatureSensor("oneWire", { "address": sensorAddress, "gpio": oneWireGpio }) if not sensor.ready: print "Sensor was not set up correctly. Please make sure that your sensor is firmly connected to the GPIO specified above and try again." return -1 return sensor.readValue()
def __main__(): # check if 1-Wire is setup in the kernel if not oneWire.setupOneWire(str(oneWireGpio)): print( "Kernel module could not be inserted. Please reboot and try again." ) return -1 # get the address of the temperature sensor # it should be the only device connected in this experiment sensorAddress = oneWire.scanOneAddress( ) # NEED TO CHANGE THIS FOR HANDLING MORE THAN ONE SERVICE # instantiate the temperature sensor object sensor = TemperatureSensor() sensor.add_sensor("oneWire", { "address": sensorAddress, "gpio": oneWireGpio }) ok_to_talk = sensor.ask_status(sensorAddress) if not ok_to_talk: print( "Sensor was not set up correctly. Please make sure that your sensor is firmly connected to the GPIO specified above and try again." ) return -1 client = mqtt.Client(c_name) #client.on_message=on_message # attaching function to grab callback client.connect(b_name) client.loop_start() client.subscribe(mqtt_service) # a/b/c - sensor print('connected to {} and subscribed to {}'.format(b_name, mqtt_service)) print('loop started') # infinite loop - runs main program code continuously try: while True: # check and print the temperature value = sensor.read_sensor(sensorAddress) rp = {'sensor': mqtt_service, 'reading': str(value)} rpj = json.dumps(rp) client.publish(mqtt_service, rpj) print("T = " + str(value) + " C") time.sleep(pollingInterval) # should be at least 4-5 seconds except (ValueError, EOFError, KeyboardInterrupt) as e: print('encountered {}'.format(e)) client.loop_stop() client.disconnect() print('shutdown')
#I/O and PWM set up os.system('omega2-ctrl gpiomux set uart1 gpio') os.system('omega2-ctrl gpiomux set pwm0 pwm') LampPin = 1 FoggerPin = 45 StirPin = 15 LampObj = onionGpio.OnionGpio(LampPin) StirObj = onionGpio.OnionGpio(StirPin) FoggerObj = onionGpio.OnionGpio(FoggerPin) #1-Wire Init if not oneWire.setupOneWire(str(oneWireGpio)): print("Kernel mdule could not be inserted. Try again!") sensorAddress = oneWire.scanOneAddress() sensor = TemperatureSensor("oneWire", { "address": sensorAddress, "gpio": oneWireGpio }) if not sensor.ready: print("Sensore was not set up correctly.") os.system('onion pwm 0 0 1000') LampObj.setOutputDirection(0) FoggerObj.setOutputDirection(0) StirObj.setOutputDirection(1) foggSet = True now = datetime.now()