Python pyfirmata.Arduino类代码示例

class LightsController:
    def __init__(self):
        self.board = Arduino("/dev/ttyACM0")
        self.lightPin = self.board.get_pin("d:3:p")

    def Off(self):
        self.lightPin.write(0)
        sleep(1)

    def On(self):
        self.lightPin.write(1)
        sleep(1)

    def Fade(self):
        for pwm in arange(0.02, 0.1, 0.004):
            self.lightPin.write(pwm)
            sleep(0.075)
        for pwm in arange(0.1, 0.8, 0.01):
            self.lightPin.write(pwm)
            sleep(0.075)
        for pwm in arange(0.8, 0.1, -0.01):
            self.lightPin.write(pwm)
            sleep(0.075)
        for pwm in arange(0.1, 0.02, -0.004):
            self.lightPin.write(pwm)
            sleep(0.075)

    def Blink(self):
        self.lightPin.write(1)
        sleep(1)
        self.lightPin.write(0)
        sleep(1)

def main():

	board = Arduino("/dev/ttyACM0")
	board.add_cmd_handler(pyfirmata.pyfirmata.STRING_DATA, on_string_received)
	
	iter = util.Iterator(board)
	iter.start()

	write_loop(board)

    def __init__(self, port):

        try:
            self.board = Arduino(port)
        except OSError as e:
            raise Exception("Arduino not found on: {0}".format(port))
        self._setup()

class ArdUno():
    def __init__(self):
        self.port = 'COM21'
        self.board = Arduino(self.port)
        self.anticrash()
        self.readenable()
        self.board.digital[8].write(1)
        
    def anticrash(self):
        """ Iterator evita que se crashee el puerto (no permite que se sobrecargue de trafico) """
        it = util.Iterator(self.board)       
        it.start()                   #corremos el iterator
    def readenable(self):
        self.board.analog[0].enable_reporting()
                    
    def getpin(self,numchannel):
        ch=str(numchannel)
        pin='a:' + ch + ':i'
        R=self.board.get_pin(pin)
        return(R)
        
    def chdef(self,namechannel,numchannel):
        ch=str(numchannel)
        R='A' + ch + ' = h.getpin(' + ch + ')'
        return(R)
    
    def voltread(self,namechannel,numchannel):
        ch=str(numchannel)
        A=namechannel+ ch +'.read()'
        return(str(A))    

    def __init__(self, config, SS):
       from pyfirmata import Arduino, util, SERVO
       self.SS = SS
       self.board = Arduino(config['board'])
       self.iterator = util.Iterator(self.board)
       self.iterator.daemon = True
       self.iterator.start()
       self.fwheel = self.board.get_pin('d:11:p')
       self.fwheel.mode = SERVO
       self.rwheel = self.board.get_pin('d:10:p')
       self.rwheel.mode = SERVO
       self.awheel = self.board.get_pin('d:3:p')
       self.awheel.mode = SERVO
       self.awheel.write(self.awheel_stop)
       
       self.state = 'start'
       
       self.controlobjects = [
          ControlObject(9, self, [self.fire_red]),
          ControlObject(8, self, [self.fire_orange]),
          ControlObject(12, self, [self.fire_yellow]),
          ControlObject(13, self, [self.fire_green])
       ]

       self.colormatch_measurement = M.Measurement.objects(method="closestcolorml")[0]
       self.timesince_measurement = M.Measurement.objects(method="timesince_manual")[0]
       self.deliveredcolor_measurement = M.Measurement.objects(method="closestcolor_manual")[0]
       self.region_inspection = M.Inspection.objects[0]
       self.SS = SS

       if not "debug" in config:
         self.cw = ControlWatcher()
         self.cw.control = self
         self.cw.daemon = True
         self.cw.start()

class ArduinoConnection(Thread):

    def __init__(self):
        Thread.__init__(self)
        
        self.SAMPLING_INTERVAL = 0.100
        self.MEAN_INTERVAL = 5
        self.MEAN_SAMPLES_NUMBER = round(self.MEAN_INTERVAL/self.SAMPLING_INTERVAL)

        PORT = '/dev/ttyACM0'
        self.board = Arduino(PORT)
        it = util.Iterator(self.board)
        it.start()

        self.analog_pin_value_arr = [self.board.get_pin('a:0:i'), self.board.get_pin('a:1:i'), self.board.get_pin('a:2:i'), self.board.get_pin('a:3:i'), self.board.get_pin('a:4:i'), self.board.get_pin('a:5:i')]
        for i in range(len(self.analog_pin_value_arr)):
            self.analog_pin_value_arr[i].enable_reporting()

        self.mean_analog_valuea_arr = [0.0] * 6
        self.mean_analog_valuea_assigned_arr = [0.0] * 6

    def run(self):        
        #s= ''
        sample_number = 0
        
        while True:
            while (sample_number < self.MEAN_SAMPLES_NUMBER):
                #    time.sleep(DELAY)
                self.board.pass_time(self.SAMPLING_INTERVAL)
                for i in range(len(self.mean_analog_valuea_arr)):
                    self.mean_analog_valuea_arr[i] = self.mean_analog_valuea_arr [i] + self.analog_pin_value_arr[i].read()
                sample_number = sample_number + 1

            for i in range(len(self.mean_analog_valuea_arr)):
                self.mean_analog_valuea_arr[i] = self.mean_analog_valuea_arr[i] / self.MEAN_SAMPLES_NUMBER
                #s = s + str(self.mean_analog_valuea_arr[i]) + ' '

            self.mean_analog_valuea_assigned_arr = self.mean_analog_valuea_arr
                
            #print s
            
            #s = ''            
            sample_number = 0
            self.mean_analog_valuea_arr = [0.0] * 6

    def getMeanAnalogArduinoValueArray(self):
        return self.mean_analog_valuea_assigned_arr

    def __init__(self, pk, port, *args, **kwargs):
        self.pk = pk
        self.port = port
        self._board = Arduino(self.port)
        self.pins = dict(((i, Pin(pk, i)) for i in range(14)))

        [setattr(self, k, v) for k, v in kwargs.items()]
        super(Board, self).__init__(*args, **kwargs)

class Hinako:

    def __init__(self, port, b_pin_id, w_pin_id, h_pin_id):
        self.board = Arduino(port)
        
        '''
        d: digital output
        n: number PWM pin
        s: servo control
        '''
        self.b_pin = self.board.get_pin(b_pin_id)
        self.w_pin = self.board.get_pin(w_pin_id)
        self.h_pin = self.board.get_pin(h_pin_id)

        self.b = 0
        self.w = 0
        self.h = 0

    def _move_servo(self, pin, begin_val, end_val, ds=0.1):
        step = 1 if begin_val < end_val else -1

        print '%d -> %d' % (begin_val, end_val)
        print step

        for i in range(begin_val, end_val, step):
            print i
            pin.write(i)
            time.sleep(ds)

    def set_bust(self, size_cm, ds=0.1):
        print "bust: %d cm" % size_cm
        val = int(round(map_value(size_cm, 70, 100, 65, 0)))
        self._move_servo(self.b_pin, self.w, val, ds=ds)
        self.w = val
        
    def set_waist(self, val):
        '''
        dc motor
        self.w_pin
        '''

    def set_hip(self, val):
        self._move_servo(self.h_pin, self.h, val)
        self.h = val

 def __init__(self, port, claw=False):
     self.uarm_status = 0
     # self.pin2_status = 0
     self.coord = {}
     self.g_interpol_val_arr = {}
     self.angle = {}
     self.claw = claw
     self.uarm = Arduino(port)
     self.assignServos()
     self.uarmDetach()

    def __init__(self, app, parent=None):
        super(Form, self).__init__(parent)

        # Pyfirmata code
        self.potPin = 0
        self.servoPin = 9
        self.ledPin = 13
        self.board = Arduino("/dev/ttyACM0")

        iterator = util.Iterator(self.board)
        iterator.start()

        self.board.analog[self.potPin].enable_reporting()
        # self.board.digital[self.servoPin].mode = SERVO

        # PyQT Code
        servoLabel = QLabel("Servo")
        self.servoDial = QDial()
        self.servoDial.setMinimum(0)
        self.servoDial.setMaximum(180)
        self.servoPosition = 0

        potLabel = QLabel("Potenciometro")
        self.potSlider = QSlider()
        self.potSlider.setMinimum(0)
        self.potSlider.setMaximum(1000)

        ledLabel = QLabel("Led 13")
        self.ledButton = QPushButton("Light")

        grid = QGridLayout()
        grid.addWidget(servoLabel, 0, 0)
        grid.addWidget(potLabel, 0, 1)
        grid.addWidget(ledLabel, 0, 2)
        grid.addWidget(self.servoDial, 1, 0)
        grid.addWidget(self.potSlider, 1, 1)
        grid.addWidget(self.ledButton, 1, 2)
        self.setLayout(grid)

        self.connect(self.ledButton, SIGNAL("pressed()"), self.ledOn)
        self.connect(self.ledButton, SIGNAL("released()"), self.ledOff)

        # self.connect(self.servoDial,
        # SIGNAL("valueChanged(int)"), self.moveServo)

        self.connect(app, SIGNAL("lastWindowClosed()"), self.cleanup)

        self.timer = QTimer()
        self.timer.setInterval(500)

        self.connect(self.timer, SIGNAL("timeout()"), self.readPot)

        self.setWindowTitle("Arduino")

        self.timer.start()

class ArduinoConnection(ConnectionBase):
    def __init__(self, connection_type, port_name):
        super().__init__()
        self.connectionStatus = ConnectionStatus.Closed
        self.connectionType = connection_type
        self.portName = port_name
        self._iterator = None

    def open_connection(self):
        if self.connectionStatus == ConnectionStatus.Open:
            print(self.connectionStatus)
            return None
        try:
            if self.board is None:
                print("Initializing board object specified connected to port {} ...".format(self.portName))
                self.board = Arduino(self.portName)
                print("Board object created!")
            if self._iterator is None:
                print("Initializing iterator object to prevent overflow serial buffer ...")
                self._iterator = util.Iterator(self.board)
                print("Iterator object created!")
                self._iterator.start()
            self.connectionStatus = ConnectionStatus.Open
            print("{}, {} , {} ".format(self.connectionStatus, self.connectionType, self.portName))

        except serial.SerialException as e:
            print(e.args[0])
            if self.board is not None:
                self.board.exit()
            raise SystemExit

    def close_connection(self):
        if self.connectionStatus == ConnectionStatus.Closed:
            print("Connection is already closed!")
        else:
            self.board.exit()
            self.board = None
            self._iterator = None
            self.connectionStatus = ConnectionStatus.Closed
            print(self.connectionStatus)

class Board(SerializableModel):
    pk = None
    port = None
    pins = None
    name = None
    written_pins = set()

    json_export = ('pk', 'port', 'pins')

    def __init__(self, pk, port, *args, **kwargs):
        self.pk = pk
        self.port = port
        self._board = Arduino(self.port)
        self.pins = dict(((i, Pin(pk, i)) for i in range(14)))

        [setattr(self, k, v) for k, v in kwargs.items()]
        super(Board, self).__init__(*args, **kwargs)

    def __del__(self):
        try:
            self.disconnect()
        except:
            print(traceback.format_exc())

    def disconnect(self):
        for pin in self.written_pins:
            pin.write(0)
        return self._board.exit()

    def firmata_pin(self, identifier):
        return self._board.get_pin(identifier)

    def release_pin(self, identifier):
        bits = identifier.split(':')
        a_d = bits[0] == 'a' and 'analog' or 'digital'
        pin_nr = int(bits[1])
        self._board.taken[a_d][pin_nr] = False

def main():
    parser = ArgumentParser(
        description='Bridge connecting Arduino and hat webapp')
    parser.add_argument('-s', '--server', default='127.0.0.1:3000',
                        help='Server the webapp is running on')
    parser.add_argument('device',
                        help='Path to Arduino device, e.g., /dev/tty/ACM0')
    args = parser.parse_args()

    url = ddp.ServerUrl(args.server)
    board = None
    hat_controller = None

    try:
        print 'Connecting to Arduino board...'
        board = Arduino(args.device)

        print 'Connecting to DDP server...'
        hat_controller = HatController(url, board)

        hat_controller.connect()
        wait_for_user_to_exit()
    finally:
        if hat_controller is not None:
            try:
                hat_controller.disconnect()
            except:
                print (
                    'An error occurred while disconnecting from the DDP '
                    'server.'
                )

        if board is not None:
            try:
                board.exit()
            except:
                print 'An error occurred while exiting from the Arduino board.'

def main():
  board = Arduino('/dev/ttyUSB0')

  #starting values

  multiplier = 400.0

  cam = Camera()
  js = JpegStreamer()

  analog_4 = board.get_pin('a:1:i')
  analog_5 = board.get_pin('a:2:i')
  button_13 = board.get_pin('d:13:i')

  it = util.Iterator(board) 
  it.start()

  while (1):
    #print str(analog_5.read()) + "\t\t" + str(analog_4.read())
    t1 = analog_5.read()
    t2 = analog_4.read()
    b13 = button_13.read()

    if not t1: 
      t1 = 50 
    else:
      t1 *= multiplier 

    if not t2: 
      t2 = 100 
    else:
      t2 *= multiplier

    print "t1 " + str(t1) + ", t2 " + str(t2) + ", b13 " + str(b13)
    cam.getImage().flipHorizontal().edges(int(t1), int(t2)).invert().smooth().save(js.framebuffer)

    time.sleep(0.01)

	def onActivated(self, ec_id):
		print "onActivated Begin"
		pinNumber = [3, 5, 6, 7, 11]
		self.pin = [None, None, None, None, None]
		try:
			self.board = Arduino(self._com_port[0])
			for i in range(5):
				self.board.servo_config(pinNumber[i], angle=90)
				# Caution: Don't use board.get_pin('d:*:s') as it calls servo_config method with angle=0, which damages your servo.
				self.pin[i] = self.board.digital[pinNumber[i]]
			print "onActivated End"
		except Exception as e:
			print "some errors %s" % str(e)
		self.pin[0].write(80)
		return RTC.RTC_OK