class PhidgetTemperature(object): def __init__(self, hub_port=0, hub_channel=1, serial_number=-1, use_hub=False): self.use_hub = use_hub self.hub_port = hub_port self.hub_channel = hub_channel try: self.ch = TemperatureSensor() self.ch.setDeviceSerialNumber(serial_number) if use_hub: self.ch.setHubPort(hub_port) self.ch.setChannel(hub_channel) print('HUB, PORT:%d CHANNEL: %d' % (hub_port, hub_channel)) except PhidgetException as e: sys.stderr.write( "Runtime Error -> Creating TemperatureSensor: \n\t") DisplayError(e) self.ch.close() raise except RuntimeError as e: sys.stderr.write( "Runtime Error -> Creating TemperatureSensor: \n\t" + e) self.ch.close() raise logging.info("Phidget: Opening and Waiting for Attachment...") try: self.ch.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, self.ch) self.ch.close() raise EndProgramSignal("Program Terminated: Open Failed") time.sleep(1) logging.info("Phidget: Ready!") def getTemperature(self, fahrenheit=False): if fahrenheit: return (self.ch.getTemperature() * 9 / 5.0) + 32 else: return self.ch.getTemperature() def closeConnection(self): return self.ch.close()
def whattemp(): global temp9 ch2 = TemperatureSensor() ch2.setDeviceSerialNumber(118651) ch2.setChannel(0) ch2.setOnAttachHandler(onAttachHandler) ch2.setOnTemperatureChangeHandler(onTemperatureChangeHandler) ch2.openWaitForAttachment(5000) temp9 = ch2.getTemperature() * 9 / 5 + 32 temp8 = temp9 #time.sleep(10) ch2.close() print("i got the temperature, its ", temp9) return temp8
class ThermoCouple(Sensor): '''Class used to handle any thermcouple data ''' def __init__(self, deviceSN, channelNo, dataInterval, refreshPeriod, sensorType, sensorName=None): ''' Constructor for creating thermcouple sensors. Takes standard sensor arguments. Sensor type here is enum for different thermcouples. J,K,E and T types are represented by 1,2,3,4. ''' self.channelNo = channelNo self.sensorType = sensorType self.sensorUnits = None Sensor.__init__(self, deviceSN, dataInterval, refreshPeriod, sensorName) def attachSensor(self): ''' Connects the sensor to the application ''' self.channel = TemperatureSensor() self.channel.setDeviceSerialNumber(self.deviceSN) self.channel.setChannel(self.channelNo) self.channel.openWaitForAttachment(100) print("\n***** {} Sensor Attached *****".format(self.sensorName)) self.attached = True self.channel.setThermocoupleType(self.sensorType) self.channel.setDataInterval(self.dataInterval) self.sensorUnits = "degrees C" def activateDataListener(self): ''' Sets up the event which triggers when the sensor updates its outputs ''' self.startTime = time.time() def onTempChange(channelObject, temp): rawTime = time.time() deltaTime = rawTime - self.startTime self.dataQ.put([temp, deltaTime, rawTime]) self.channel.setOnTemperatureChangeHandler(onTempChange)
def configure_phidget(phidget): """ :param serial: Serial Number as int :param hub: Is this connected to a hub? 1:Yes, 0:No :param channel: Channel 0 is Thermocouple. 1 is Board. :return: configured phidget """ phidget_channels = [] for index, sensor in enumerate(phidget["channels"]): ch = TemperatureSensor() ch.setDeviceSerialNumber(phidget["serial"]) ch.setHubPort(phidget["hub"]) ch.setChannel(phidget["channel"][index]) ch.setOnAttachHandler(onAttachHandler) phidget_channels.append((ch, sensor)) return phidget_channels
class MyThermo: def __init__(self, hub_serial, hub_port, thermal_channel): self.sensor = TemperatureSensor() self.sensor.setHubPort(hub_port) self.sensor.setChannel(thermal_channel) self.sensor.setDeviceSerialNumber(hub_serial) self.sensor.openWaitForAttachment(5000) self.previous_temp = 0 self.thermal_channel = thermal_channel def get_temp(self): try: temp = self.sensor.getTemperature() self.previous_temp = temp return temp except PhidgetException as exception: print('Error on thermal channel', self.thermal_channel, exception) return self.previous_temp def __del__(self): self.sensor.close()
class IRTemperatureSensor(Sensor): ''' Class for connecting to Phidget IR temperature sensors. Extends base Sensor class ''' def __init__(self, deviceSN, dataInterval, refreshPeriod, sensorName=None): ''' Constructor for IR Temp class. Takes same arguments as Sensor ''' Sensor.__init__(self, deviceSN, dataInterval, refreshPeriod, sensorName) self.sensorUnits = "Degrees C" def attachSensor(self): ''' Connects sensor to application. Sets the "channel" parameter which is the handle to the phidget ''' self.channel = TemperatureSensor() self.channel.setDeviceSerialNumber(self.deviceSN) self.channel.setChannel(0) self.channel.openWaitForAttachment(5000) print("***** {} Sensor Attached *****".format(self.sensorName)) self.attached = True self.channel.setDataInterval(self.dataInterval) def activateDataListener(self): ''' Sets up the event which triggers when the sensor updates its output values ''' self.startTime = time.time() def onTemperatureChange(channelObject, temperature): # logs time and sensor value to the thread safe dataQ rawTime = time.time() deltaTime = rawTime - self.startTime self.dataQ.put([temperature, deltaTime, rawTime]) self.channel.setOnTemperatureChangeHandler(onTemperatureChange)
def main(): try: """ * Allocate a new Phidget Channel object """ try: ch = TemperatureSensor() except PhidgetException as e: sys.stderr.write("Runtime Error -> Creating TemperatureSensor: \n\t") DisplayError(e) raise except RuntimeError as e: sys.stderr.write("Runtime Error -> Creating TemperatureSensor: \n\t" + e) raise """ * Set matching parameters to specify which channel to open """ #You may remove this line and hard-code the addressing parameters to fit your application channelInfo = AskForDeviceParameters(ch) ch.setDeviceSerialNumber(channelInfo.deviceSerialNumber) ch.setHubPort(channelInfo.hubPort) ch.setIsHubPortDevice(channelInfo.isHubPortDevice) ch.setChannel(channelInfo.channel) if(channelInfo.netInfo.isRemote): ch.setIsRemote(channelInfo.netInfo.isRemote) if(channelInfo.netInfo.serverDiscovery): try: Net.enableServerDiscovery(PhidgetServerType.PHIDGETSERVER_DEVICEREMOTE) except PhidgetException as e: PrintEnableServerDiscoveryErrorMessage(e) raise EndProgramSignal("Program Terminated: EnableServerDiscovery Failed") else: Net.addServer("Server", channelInfo.netInfo.hostname, channelInfo.netInfo.port, channelInfo.netInfo.password, 0) """ * Add event handlers before calling open so that no events are missed. """ print("\n--------------------------------------") print("\nSetting OnAttachHandler...") ch.setOnAttachHandler(onAttachHandler) print("Setting OnDetachHandler...") ch.setOnDetachHandler(onDetachHandler) print("Setting OnErrorHandler...") ch.setOnErrorHandler(onErrorHandler) #This call may be harmlessly removed PrintEventDescriptions() print("\nSetting OnTemperatureChangeHandler...") ch.setOnTemperatureChangeHandler(onTemperatureChangeHandler) """ * Open the channel with a timeout """ print("\nOpening and Waiting for Attachment...") try: ch.openWaitForAttachment(5000) except PhidgetException as e: PrintOpenErrorMessage(e, ch) raise EndProgramSignal("Program Terminated: Open Failed") print("Sampling data for 10 seconds...") print("You can do stuff with your Phidgets here and/or in the event handlers.") time.sleep(10) """ * Perform clean up and exit """ #clear the TemperatureChange event handler ch.setOnTemperatureChangeHandler(None) print("\nDone Sampling...") print("Cleaning up...") ch.close() print("\nExiting...") return 0 except PhidgetException as e: sys.stderr.write("\nExiting with error(s)...") DisplayError(e) traceback.print_exc() print("Cleaning up...") ch.setOnTemperatureChangeHandler(None) ch.close() return 1 except EndProgramSignal as e: print(e) print("Cleaning up...") ch.setOnTemperatureChangeHandler(None) ch.close() return 1 finally: print("Press ENTER to end program.") readin = sys.stdin.readline()
# code for humidity sensor humidity = HumiditySensor() humidity.setDeviceSerialNumber(561266) humidity.setHubPort(5) humidity.setIsHubPortDevice(False) humidity.setChannel(0) humidity.openWaitForAttachment(5000) try: humidity.getHumidity() except Exception as e: pass time.sleep(2) print(humidity.getHumidity()) # code for temperature sensor temp = TemperatureSensor() temp.setDeviceSerialNumber(561266) temp.setHubPort(5) temp.setIsHubPortDevice(False) temp.setChannel(0) temp.openWaitForAttachment(5000) try: temp.getTemperature() except Exception as e: pass time.sleep(2) print(temp.getTemperature())