Python InterfaceKit.waitForAttach方法代碼示例

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
class Interface(Model):
    def __init__(self, serial_number):
        self._phidget = InterfaceKit()
        self._serial_number = serial_number
        self._is_initialized = False
    
    def initialize(self):
        if not self._is_initialized:
            self._phidget.openPhidget(serial = self._serial_number)
            self._phidget.waitForAttach(ATTACH_TIMEOUT)
            self._phidget.setRatiometric(False) #note the default is True!
            self._is_initialized = True
            
    def identify(self):
        if not self._is_initialized:
            self.initialize()
        name = self._phidget.getDeviceName()
        serial_number = self._phidget.getSerialNum()
        return "%s, Serial Number: %d" % (name, serial_number)
    
    def read_sensor(self, index):
        """ reads the raw value from the sensor at 'index' 
            returns integer in range [0,4095]
        """
        if not self._is_initialized:
            self.initialize()
        return self._phidget.getSensorRawValue(index)
    
    def read_all_sensors(self):
        """ reads all the sensors raw values, indices 0-7
            returns list of 8 integers in range [0,4095]
        """
        if not self._is_initialized:
            self.initialize()
        values = []
        for i in range(8):
            values.append(self.read_sensor(i))
        return values    
    
    def read_digital_input(self,index):
        """ reads the digital input at 'index' 
            returns True if grounded, False if open (pulled-up to 5V)
        """
        if not self._is_initialized:
            self.initialize()
        return self._phidget.getInputState(index)
    
    def write_digital_output(self,index,state):
        if not self._is_initialized:
            self.initialize()
        return self._phidget.setOutputState(index,state)
    
    def shutdown(self):
        if not self._is_initialized:
            self.initialize()
        self._phidget.closePhidget()
        self._is_initialized = False
    
    def __del__(self):
        self.shutdown()

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
class SimplePhidget():

    def __init__(self):     
        try:
            self.interfaceKit = InterfaceKit()
        except RuntimeError as e:
            print("Runtime Exception: %s" % e.details)
            exit(1)

        print("Connecting to Phidget.")

        try:
            self.interfaceKit.openPhidget()
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.details))
            exit(1)

        print("Connection opened.")

        try:
            self.interfaceKit.waitForAttach(10000)
        except PhidgetException as e:
            try:
                self.interfaceKit.closePhidget()
            except PhidgetException as e:
                exit(1)
            exit(1)
        print("Attached to phidget interface.")

    def getSensorValue(self, sensor):
        return self.interfaceKit.getSensorValue(sensor)

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
class InterfaceSource(Source):
    def __init__(self):
        Source.__init__(self)
        
        try:
            self._device = InterfaceKit()
        except RuntimeError as e:
            print("Runtime Error: %s" % e.message)
            
        try:
            self._device.openPhidget()
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.detail))
        
        self._device.setOnSensorChangeHandler(self.sensor_changed)
        
        print("Phidget: Waiting for Connection")
        self._device.waitForAttach(10000)
        
        self._device.setSensorChangeTrigger(0, 0)
        self._device.setDataRate(0, 1)
        
        print("Phidget: Connected")
    
    def sensor_changed(self, e):
        if self.sink is not None:
            self.sink([e.value])

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
 def instanciarIK (self, nroSerie):
     """
     Método utilizado para instanciar un objeto de tipo InterfaceKit de la API de Phidgets, que permite interactuar con la placa controladora y sus puertos"""
     try:
         ik= InterfaceKit()
         ik.openRemoteIP(self.__ipWS, self.__puertoWS, nroSerie)
         ik.waitForAttach(5000)
         return ik
     except :
         ik.closePhidget()
         return None

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
def setup_interfaceKit():
    #Create an interfacekit object
    try:
        interfaceKit = InterfaceKit()
    except RuntimeError as e:
        print("Runtime Exception: %s" % e.details)
        print("Exiting....")
        exit(1)

    try:
        interfaceKit.setOnAttachHandler(inferfaceKitAttached)
        interfaceKit.setOnDetachHandler(interfaceKitDetached)
        interfaceKit.setOnErrorhandler(interfaceKitError)
        interfaceKit.setOnInputChangeHandler(interfaceKitInputChanged)
        interfaceKit.setOnOutputChangeHandler(interfaceKitOutputChanged)
        interfaceKit.setOnSensorChangeHandler(interfaceKitSensorChanged)
    except PhidgetException as e:
        print("Phidget Exception %i: %s" % (e.code, e.details))
        print("Exiting....")
        exit(1)

    print("Opening phidget object....")

    try:
        #interfaceKit.openPhidget()
        interfaceKit.openRemoteIP(IP, port=5001)
    except PhidgetException as e:
        print("Phidget Exception %i: %s" % (e.code, e.details))
        print("Exiting....")
        exit(1)

    print("Waiting for attach....")

    try:
        interfaceKit.waitForAttach(10000)
    except PhidgetException as e:
        print("Phidget Exception %i: %s" % (e.code, e.details))
        try:
            interfaceKit.closePhidget()
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.details))
            print("Exiting....")
            exit(1)
        print("Exiting....")
        exit(1)
    return interfaceKit

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
class pumpUSB:  # pragma: no cover
    def __init__(self):
        print ("Initiating pumps")
        try:
            self.interfaceKit = InterfaceKit()
        except RuntimeError as e:
            print ("Runtime Exception a: %s" % e.details)
            print ("Exiting....")
            exit(1)
        try:
            self.interfaceKit.openPhidget()
        except PhidgetException as e:
            print ("Phidget Exception b %i: %s" % (e.code, e.details))
            print ("Exiting....")
            exit(1)

        try:
            self.interfaceKit.waitForAttach(1000)
        except PhidgetException as e:
            print ("Phidget Exception c %i: %s" % (e.code, e.details))
            raise Exception("Timeout")
            try:
                self.interfaceKit.closePhidget()
            except PhidgetException as e:
                print ("Phidget Exception d %i: %s" % (e.code, e.details))
                print ("Exiting....")
                exit(1)
        self.pumplist = []
        for i in range(0, 4):
            self.pumplist.append(onePump(self.interfaceKit, i))
        print ("Pumps ready")

    def getPump(self, index):
        return self.pumplist[index]

    def getSwitch(self, index):
        """ yes it is the same as getPump, standard name use """
        return self.pumplist[index]

    def close(self):
        self.interfaceKit.closePhidget()

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
def set_bbias(state):
    """Set back bias to state"""

    state_dict = {"On" : True,
                  "Off" : False}
    setting = state_dict[state]

    ## Attach to Phidget controller
    relay = InterfaceKit()
    relay.openPhidget()
    relay.waitForAttach(10000)

    ## Check if successful
    if relay.isAttached():
        print "Done!"
    else:
        print "Failed to connect to Phidget controller"

    ## Set output to 0 and close
    relay.setOutputState(0, setting)
    print "BSS is now {0}".format(state)
    relay.closePhidget()

    return

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
class PowerControl(object):
    ''' PowerControl class wraps language around the 1014_2 -
    PhidgetInterfaceKit 0/0/4 4 relay device. '''
    def __init__(self):
        #log.info("Start of power control object")
        pass

    def open_phidget(self):
        ''' Based on the InterfaceKit-simple.py example from Phidgets, create an
        relay object, attach the handlers, open it and wait for the attachment.
        This function's primarily purpose is to replace the prints with log
        statements.  '''
        try:
            self.interface = InterfaceKit()
        except RuntimeError as e:
            log.critical("Phidget runtime exception: %s" % e.details)
            return 0


        try:
            self.interface.setOnAttachHandler( self.interfaceAttached )
            self.interface.setOnDetachHandler( self.interfaceDetached )
            self.interface.setOnErrorhandler(  self.interfaceError    )
        except PhidgetException as e:
            log.critical("Phidget Exception %i: %s" % (e.code, e.details))
            return 0


        try:
	    #print "Force open relay serial: 290968"
            self.interface.openPhidget()
        except PhidgetException as e:
            log.critical("Phidget Exception %i: %s" % (e.code, e.details))
            return 0


        #log.info("Waiting for attach....")
        try:
            self.interface.waitForAttach(100)
        except PhidgetException as e:
            log.critical("Phidget Exception %i: %s" % (e.code, e.details))
            try:
                self.interface.closePhidget()
            except PhidgetException as e:
                log.critical("Close Exc. %i: %s" % (e.code, e.details))
            return 0
   
        return 1

    #Event Handler Callback Functions
    def interfaceAttached(self, e):
        attached = e.device
        #log.info("interface %i Attached!" % (attached.getSerialNum()))
    
    def interfaceDetached(self, e):
        detached = e.device
        log.info("interface %i Detached!" % (detached.getSerialNum()))
    
    def interfaceError(self, e):
        try:
            source = e.device
            log.critical("Interface %i: Phidget Error %i: %s" % \
                               (source.getSerialNum(), e.eCode, e.description))
        except PhidgetException as e:
            log.critical("Phidget Exception %i: %s" % (e.code, e.details))

    def close_phidget(self):
        try:
            self.interface.closePhidget()
        except PhidgetException as e:
            log.critical("Phidget Exception %i: %s" % (e.code, e.details))
            return 0
        return 1

   
    def change_relay(self, relay=0, status=0):
        ''' Toggle the status of the phidget relay line to low(0) or high(1)'''
        try:
            self.interface.setOutputState(relay, status)
            #self.emit_line_change(relay, status)

        except Exception as e:
            log.critical("Problem setting relay on %s" % e)
            return 0

        return 1

    ''' Convenience functions '''
    def zero_on(self):
        #log.info("Zero relay on")
        return self.change_relay(relay=ZERO_RELAY, status=1)

    def zero_off(self):
        return self.change_relay(relay=ZERO_RELAY, status=0)

    def one_on(self):
        #log.info("one relay on")
        return self.change_relay(relay=ONE_RELAY, status=1)

    def one_off(self):
#.........這裏部分代碼省略.........

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
class PhidgetSensorHandler(AbstractSensorHandler):

    def __init__(self):
        self.device = None
        self._attach_timeout = None
        self._data_rate = None
        self._sensors = None

    def _try_init(self):
        if all([self._data_rate, self._attach_timeout, self._sensors]):
            try:
                from Phidgets.Devices.InterfaceKit import InterfaceKit
                from Phidgets.PhidgetException import PhidgetException
                self.interface_kit = InterfaceKit()
                self.interface_kit.setOnAttachHandler(lambda e: self._attach(e))
                self.interface_kit.setOnDetachHandler(lambda e: self._detach(e))
                self.interface_kit.setOnErrorhandler(lambda e: self._error(e))
                self.interface_kit.setOnSensorChangeHandler(lambda e: self._sensor_change(e))
                self.interface_kit.openPhidget()
                self.interface_kit.waitForAttach(self._attach_timeout)
                for i in range(self.interface_kit.getSensorCount()):
                    self.interface_kit.setDataRate(i, self._data_rate)
                logging.info("Phidget Sensor Handler Initalized")
                for s in self._sensors:
                    if s.port_num is not None:
                        s.current_data = self.interface_kit.getSensorValue(s.port_num)
                        logging.debug("Setting Initial Value for Sensor {} to {}".format(s.port_num, s.current_data))
                    else:
                        logging.warn("Cannot set Initial Value for Sensor {}".format(s.port_num))
            except ImportError:
                self.interface_kit = None
                logging.error('Phidget Python Module not found. Did you install python-phidget?')
            except PhidgetException as e:
                self.interface_kit = None
                logging.error("Could not Initalize Phidget Kit: {}".format(e.details))

    def _read_sensors(self):
        ready_sensors = []
        for s in self._sensors:
            if s.data is not None:
                ready_sensors.append(s)
        return ready_sensors

    def _set_sensors(self, v):
        logging.debug('Adding Phidget Sensors :: {}'.format(v))
        self._sensors = v
        self._try_init()

    sensors = property(_read_sensors, _set_sensors)

    attach_timeout = property(lambda self: self._attach_timeout,
                              lambda self, v: self._set_config('attach_timeout', v))

    data_rate = property(lambda self: self._data_rate,
                         lambda self, v: self._set_config('data_rate', v))

    def _set_config(self, prop, value):
        if prop == 'data_rate':
            self._data_rate = value
        elif prop == 'attach_timeout':
            self._attach_timeout = value
        self._try_init()

    def _attach(self, e):
        self.device = e.device
        logging.info("Phidget InterfaceKit {} Attached".format(self.device.getSerialNum()))

    def _detach(self, e):
        logging.warn("Phidget InterfaceKit {} Removed".format(e.device.getSerialNum()))
        self.device = None

    def _error(self, e):
        logging.error("Phidget Error {} :: {}".format(e.eCode, e.description))

    def _sensor_change(self, e):
        # logging.debug("Phidget Analog Sensor Change :: Port: {} / Data: {}".format(e.index, e.value))
        for s in self._sensors:
            if s.port_type == 'analog' and s.port_num == e.index:

                # Set a default ID if none given in config file
                if s.id is None:
                    # Default ID is kit serial number::port
                    s.id = '{}:{}:{}'.format(self.device.getSerialNum(),
                                             s.port_type, s.port_num)

                s.current_data = e.value

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
class PHIDGET_IFK(object):
    """ Phidget InterfaceKit """
    def __init__(self, serialNumber=None, waitForAttach=1000, **kargs):

        self.interfaceKit = InterfaceKit()

        if 'remoteHost' in kargs:
            self.interfaceKit.openRemote(kargs['remoteHost'], serialNumber)
        else:
            self.interfaceKit.openPhidget(serialNumber)
    
        self.ratiometric = 1
        if 'ratiometric' in kargs:
            self.ratiometric = kargs['ratiometric'] 

        h = [
            'onAttachHandler',
            'onDetachHandler',
            'onErrorhandler',
            'onInputChangeHandler',
            'onOutputChangeHandler',
            'onSensorChangeHandler'
            ]

        for event in h:
            self.__dict__[event] = None
            if event in kargs:
                self.__dict__[event] = kargs[event]

        self.interfaceKit.setOnAttachHandler(self.attached)
        self.interfaceKit.setOnDetachHandler(self.detached)
        self.interfaceKit.setOnErrorhandler(self.error)
        self.interfaceKit.setOnInputChangeHandler(self.inputChanged)
        self.interfaceKit.setOnOutputChangeHandler(self.outputChanged)
        self.interfaceKit.setOnSensorChangeHandler(self.sensorChanged)


        if waitForAttach > 0:
            try:
                self.interfaceKit.waitForAttach(waitForAttach)
            except PhidgetException as e:
                #print("Phidget Exception %i: %s" % (e.code, e.details))
                try:
                    self.interfaceKit.closePhidget()
                except PhidgetException as e2:
                    pass
                raise e



    def attached(self, e):
        self.interfaceKit.setRatiometric(self.ratiometric)
        time.sleep(0.05)
        if self.onAttachHandler: self.onAttachHandler(e)

    def detached(self, e):
        if self.onDetachHandler: self.onDetachHandler(e)

    def error(self, e):
        error = {'code': e.eCode, 'description': e.description}
        if self.onErrorhandler: self.onErrorhandler(error, e)

    def outputChanged(self, e):
        if self.onInputChangeHandler: self.onInputChangeHandler(e.index, e.state, e)

    def inputChanged(self, e):
        if self.onInputChangeHandler: self.onInputChangeHandler(e.index, e.state, e)

    def sensorChanged(self, e):
        if self.onInputChangeHandler: self.onInputChangeHandler(e.index, e.value, e)

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
#    interfaceKitHUB.openRemote('odroid',serial=337662)

#    print("interfaceKitHuB connected to webservice: %s" % interfaceKitHUB.isAttachedToServer())

except PhidgetException as e:
    print("Phidget Exception %i: %s" % (e.code, e.details))
    print("Exiting....")
    exit(1)

#if not interfaceKitHUB.isAttachedToServer():
#    sleep(2)

print("Waiting for attach....")

try:
    interfaceKitHUB.waitForAttach(10000)
    #interfaceKitLCD.waitForAttach(10000)

except PhidgetException as e:
    print("Phidget Exception %i: %s" % (e.code, e.details))
    try:
        interfaceKitHUB.closePhidget()
        #interfaceKitLCD.closePhidget()
        
    except PhidgetException as e:
        print("Phidget Exception %i: %s" % (e.code, e.details))
        print("Exiting....")
        exit(1)
    print("Exiting....")
    exit(1)
else:

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]

#.........這裏部分代碼省略.........
                
    def initPhidgets(self):
        try:
            self.interfaceKit = InterfaceKit()
        except RuntimeError as e:
            print("Runtime Exception: %s" % e.details)
            print("Exiting....")
            exit(1)
        
        try:
            self.interfaceKit.setOnAttachHandler(self.inferfaceKitAttached)
            self.interfaceKit.setOnDetachHandler(self.interfaceKitDetached)
            self.interfaceKit.setOnErrorhandler(self.interfaceKitError)
            self.interfaceKit.setOnInputChangeHandler(self.interfaceKitInputChanged)
            self.interfaceKit.setOnOutputChangeHandler(self.interfaceKitOutputChanged)
            self.interfaceKit.setOnSensorChangeHandler(self.interfaceKitSensorChanged)
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.details))
            print("Exiting....")
            exit(1)
        
        print("Opening phidget object....")
        
        try:
            self.interfaceKit.openPhidget()
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.details))
            print("Exiting....")
            exit(1)
        
        print("Waiting for attach....")
        
        try:
            self.interfaceKit.waitForAttach(10000)
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.details))
            self.closePhidgets()
        else:
            self.displayDeviceInfo()
        
        
        #get sensor count
        try:
            self.ChannelCount = self.interfaceKit.getSensorCount()
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.details))
            self.closePhidgets()
            sitwPara.KeyCount = 0 #no sensor has been detected
            self.prtMsg('   ****** No sensor has been detected !!!\n')
        
        
        print("Setting the data rate for each sensor index to 4ms....")
        for i in range(sitwPara.KeyCount):
            try:
                self.interfaceKit.setDataRate(i, 4)
            except PhidgetException as e:
                print("Phidget Exception %i: %s" % (e.code, e.details))
        
        
        ### depends on the low light performance of the sensor
        print("Setting the sensitivity for each sensor index to ???....")
        for i in range(sitwPara.KeyCount):
            try:
                self.interfaceKit.setSensorChangeTrigger(i, 2)              #~~~~*YL*~~~~
            except PhidgetException as e:
                print("Phidget Exception %i: %s" % (e.code, e.details))

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
def main():
    
    
    
    try:
        interfaceKit = InterfaceKit()
    except RuntimeError as e:
        print("Runtime Exception: %s" % e.details)
        print("Exiting....")
        exit(1)

    try:
        interfaceKit.setOnAttachHandler(inferfaceKitAttached)
        interfaceKit.setOnDetachHandler(interfaceKitDetached)
        interfaceKit.setOnErrorhandler(interfaceKitError)
        interfaceKit.setOnInputChangeHandler(interfaceKitInputChanged)
        interfaceKit.setOnOutputChangeHandler(interfaceKitOutputChanged)
        interfaceKit.setOnSensorChangeHandler(interfaceKitSensorChanged)
    except PhidgetException as e:
        print("Phidget Exception %i: %s" % (e.code, e.details))
        print("Exiting....")
        exit(1)

    print("Opening phidget object....")

    try:
        interfaceKit.openPhidget()
    except PhidgetException as e:
        print("Phidget Exception %i: %s" % (e.code, e.details))
        print("Exiting....")
        exit(1)

    print("Waiting for attach....")

    try:
        interfaceKit.waitForAttach(10000)
    except PhidgetException as e:
        print("Phidget Exception %i: %s" % (e.code, e.details))
        try:
            interfaceKit.closePhidget()
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.details))
            print("Exiting....")
            exit(1)
        print("Exiting....")
        exit(1)

    print("Setting the data rate for each sensor index to 4ms....")
    for i in range(interfaceKit.getSensorCount()):
        try:
            interfaceKit.setDataRate(i, 4)
        except PhidgetException as e:
            print("Phidget Exception %i: %s" % (e.code, e.details))

    sys.exit(app.exec_())
    try:
        interfaceKit.closePhidget()
    except PhidgetException as e:
        print("Phidget Exception %i: %s" % (e.code, e.details))
        print("Exiting....")
        exit(1)

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
class Phidgets:
    
    def __init__(self):
        self.V1 = 0.0
        self.V2list = [0,0,0,0,0,0,0] #lista dei valori associati alle porte analogiche, corrispondenza porta analogica posizione nella lista
        self.running = True
        
    def ponteDiWheatstone(self):
        R1 = 1000.0#1KOhm
        R2 = 1000.0#1KOhm
        R3 = 1000.0#1KOhm
        Vs = 5.0
        
        for pos, v in enumerate(self.V2list):
            if v==0:
                continue
            
            Vm = v-self.V1 #ingresso differenziale
            print Vm
            #formula per il calcolo della resistenza
            p1 = R3/(R1+R3) + (Vm/Vs)
            p2 = 1 - p1
            Rx = R2*(p1/p2);
            
            #
            date = datetime.now().strftime('%Y-%m-%d')
            time = datetime.now().strftime('%H:%M:%S')
            self.monitoring.insertValue(Rx, pos+1, date,time)
            #
            print ("la resistenza sull'input %d vale %f: " % (pos+1, Rx))

    def partitoreDiTensione(self, val):
        if val != 1:
            r1 = 1000
            Vref = 12 #5V tensione applicata al partitore
            V2 = (5.0/1023.0)*val #tensione letta ai capi della resistenza
            r2 =  r1*V2/(Vref-V2)
            print ("la resistenza vale %f: " % r2)
        
    def interfaceKitSensorChanged(self, e):
        source = e.device
        if e.value == 1:#1 indica che non sta nulla collegato e resetto anche il suo valore nella lista
            if e.index==0:
                self.V1=0
            else:
                self.V2list[e.index-1]=0
            return
        
        if e.index == 0:#V1 va collegato sempre sul pin 0
            self.V1 = (5.0/1023.0)*e.value 
            print self.V1
        else:
            val = (5.0/1023.0)*e.value
            self.V2list[e.index-1]=val #corrispondenza porta analogica posizione nella lista
            print str(self.V2list)
        
        self.ponteDiWheatstone()
            
        #if e.value != 1:
        #    self.monitoring.insertPos(e.index)
        #print("InterfaceKit %i: Sensor %i: %i" % (source.getSerialNum(), e.index, e.value))
    
    def run(self):
            try:
                self.interfaceKit = InterfaceKit() #instanzio la classe per interfacciarmi con la scheda di acquisizione
                self.monitoring = sm.SensorMonitoring() #tabella dove sono memorizzati i valori dei sensori collegati
                self.monitoring.open()
                self.monitoring.create()
            except RuntimeError as e:
                print("Runtime Exception: %s" % e.details)
                print("Exiting....")
                exit(1)
            
            try:
                self.interfaceKit.setOnSensorChangeHandler(self.interfaceKitSensorChanged)
            except PhidgetException as e:
                print("Exiting....")
                exit(1)
                
            try:
                self.interfaceKit.openPhidget()
            except PhidgetException as e:
                print("Exiting....")
                exit(1)
                
            try:
                self.interfaceKit.waitForAttach(10000)
            except PhidgetException as e:
                try:
                    self.interfaceKit.closePhidget()
                except PhidgetException as e:
                    exit(1)
                print("Assicurarsi di aver collegato la scheda di acquisizione Phidget 1019 al PC. Exiting....")
                exit(1)
            else:
                print "Scheda di acquisizione rilevata."
                
            for i in range(self.interfaceKit.getSensorCount()):
                try:
                    self.interfaceKit.setDataRate(i, 4)
#.........這裏部分代碼省略.........

# 需要導入模塊: from Phidgets.Devices.InterfaceKit import InterfaceKit [as 別名]
# 或者: from Phidgets.Devices.InterfaceKit.InterfaceKit import waitForAttach [as 別名]
def setup_phidgets():
    global interfaceKits
    interfaceKits = InterfaceKits()

    "Print Creating phidget manager"
    try:
        manager = Manager()
    except RuntimeError as e:
        output("Runtime Exception: %s" % e.details)
        output("Exiting....")
        exit(1)

    try:
        manager.setOnAttachHandler(ManagerDeviceAttached)
        manager.setOnDetachHandler(ManagerDeviceDetached)
        manager.setOnErrorHandler(ManagerError)
    except PhidgetException as e:
        output("Phidget Exception %i: %s" % (e.code, e.details))
        output("Exiting....")
        exit(1)

    output("Opening phidget manager....")
    logging.info("Opening phidget manager....")

    try:
        manager.openManager()
        #manager.openRemote("hydropi","hydropi")
    except PhidgetException as e:
        output("Phidget Exception %i: %s" % (e.code, e.details))
        logging.error("Phidget Exception %i: %s" % (e.code, e.details))
        output("Exiting....")
        logging.error("Exiting....")
        exit(1)

    # Wait a moment for devices to attache......
    output("\nWaiting one sec for devices to attach....\n\n")
    logging.info("Waiting one sec for devices to attach....")
    time.sleep(1)

    output("Phidget manager opened.")

    attachedDevices = manager.getAttachedDevices()
    for attachedDevice in attachedDevices:
     
        output("Found %30s - SN %10d" % (attachedDevice.getDeviceName(), attachedDevice.getSerialNum()))
        if attachedDevice.getDeviceClass() == PhidgetClass.INTERFACEKIT:
            output("  %s/%d is an InterfaceKit" % ( attachedDevice.getDeviceName(),attachedDevice.getSerialNum()))
            #Create an interfacekit object
            try:
                newInterfaceKit = InterfaceKit()
            except RuntimeError as e:
                output("Runtime Exception: %s" % e.details)
                output("Exiting....")
                exit(1)

            output("  Opening...")
            try:
                newInterfaceKit.openPhidget()
            except PhidgetException as e:
                output("Phidget Exception %i: %s" % (e.code, e.details))
                output("Exiting....")

            output("  Setting handlers...")
            try:
                newInterfaceKit.setOnAttachHandler(interfaceKitAttached)
                newInterfaceKit.setOnDetachHandler(interfaceKitDetached)
                newInterfaceKit.setOnErrorhandler(interfaceKitError)
            except PhidgetException as e:
                output("Phidget Exception %i: %s" % (e.code, e.details))
                output("Exiting....")
                exit(1)

            output("  Attaching...")
            try:
                newInterfaceKit.waitForAttach(5000)
            except PhidgetException as e:
                output("Phidget Exception %i: %s" % (e.code, e.details))
                try:
                    newInterfaceKit.closePhidget()
                except PhidgetException as e:
                    output("Phidget Exception %i: %s" % (e.code, e.details))
                    output("Exiting....")
                    exit(1)
                output("Exiting....")
                exit(1)

            output("  Setting the data rate for each sensor index to 1000ms....")
            for i in range(newInterfaceKit.getSensorCount()):
                try:
                    newInterfaceKit.setDataRate(i, 1000)
                except PhidgetException as e:
                    output("Phidget Exception %i: %s" % (e.code, e.details))

            interfaceKits.kitList.append(newInterfaceKit)
            
        
    display_device_info(manager)
    return manager