Python InterfaceKit.getSensorValue方法代码示例

# 需要导入模块: from Phidgets.Devices import InterfaceKit [as 别名]
# 或者: from Phidgets.Devices.InterfaceKit import getSensorValue [as 别名]
def main():
	parser = argparse.ArgumentParser(description='read sensor values from a Phidgets device')
	
	group = parser.add_mutually_exclusive_group(required=True)
	
	group.add_argument('-d', '--digital', metavar='<input id>', type=int, help='read from a digital input')
	group.add_argument('-a', '--analog', metavar='<sensor id>', type=int, help='read from an analog sensor')
	
	parser.add_argument('-t', '--temperature-sensor', action='store_const', const=True, default=False, help='device is a temperature sensor, output in degrees celcius. must be reading an analog sensor')
	parser.add_argument('-m', '--precision-light-sensor-multiplier', metavar='<multiplier>', type=float, help='\'m\' value from the underside of the precision light sensor. must be reading an analog sensor')
	parser.add_argument('-b', '--precision-light-sensor-boost', metavar='<boost>', type=float, help='\'b\' value from the underside of the precision light sensor. must be reading an analog sensor')
	cli_args = parser.parse_args()
	
	try:
		device = InterfaceKit()
	except RuntimeError as e:
		print("Runtime Error: %s" % e.message)
		exit(2)
	
	try:
		device.openPhidget()
		device.waitForAttach(1000)
		
		if cli_args.digital != None:
			if cli_args.digital < device.getInputCount():
				print device.getInputState(cli_args.digital)
			else:
				parser.print_usage()
				print('%s: error: input id out of range (maximum is %d)' % (sys.argv[0], device.getInputCount()-1))
		elif cli_args.analog != None:
			if cli_args.analog < device.getSensorCount():
				if cli_args.temperature_sensor == True:
					print (float(device.getSensorValue(cli_args.analog)) * 0.2222) - 61.1111 
				elif (cli_args.precision_light_sensor_multiplier == None) != (cli_args.precision_light_sensor_boost == None):
					parser.print_usage()
					print('%s: error: you must supply both precision light sensor arguments')
				elif cli_args.precision_light_sensor_multiplier != None and cli_args.precision_light_sensor_boost != None:
					print (cli_args.precision_light_sensor_multiplier * float(device.getSensorValue(cli_args.analog)) + cli_args.precision_light_sensor_boost)
				else:
					print device.getSensorValue(cli_args.analog)
			else:
				parser.print_usage()
				print('%s: error: sensor id out of range (maximum is %d)' % (sys.argv[0], device.getSensorCount()-1))
		device.closePhidget()
	except PhidgetException as e:
		print("Phidget Exception %i: %s" % (e.code, e.details))
		try:
			device.closePhidget()
		except PhidgetException as e:
			print("Phidget Exception %i: %s" % (e.code, e.details))
		print("Exiting...")
		exit(1)
	exit(0)

# 需要导入模块: from Phidgets.Devices import InterfaceKit [as 别名]
# 或者: from Phidgets.Devices.InterfaceKit import getSensorValue [as 别名]
class PhidgetTextLCD(object):
  """
  A class modelled after a Phidget InterfaceKit with an integrated LCD.
  It contains a list of objects, which are subclasses of Sensor object.

  Attributes:
      analog_sensors: a list containing objects of one of subclasses of Sensor
      data_dir: a string of directory path to save sensor reading data in
  """

  def __init__(self, analog_sensors, data_dir):
    """Initializes the members."""
    self.__interfaceKit = InterfaceKit()
    self.__textLCD = TextLCD()

    self.__data_dir = data_dir

    # instantiate classes according to actual sensor port configuration
    self.sensors = []
    for sensor in analog_sensors:
      a_sensor = self.__Factory(sensor)
      self.sensors.append(a_sensor)

    try:
      # Interface Kit
      self.__interfaceKit.openPhidget()
      self.__interfaceKit.waitForAttach(10000)
      print "%s (serial: %d) attached!" % (
        self.__interfaceKit.getDeviceName(), self.__interfaceKit.getSerialNum())

      # get initial value from each sensor
      i = 0
      for sensor in self.sensors:
        #print sensor.product_name
        #print sensor.value
        sensor.value = self.__interfaceKit.getSensorValue(i)
        i += 1

      self.__interfaceKit.setOnSensorChangeHandler(self.__SensorChanged)

      # Text LCD
      self.__textLCD.openPhidget()
      self.__textLCD.waitForAttach(10000)
      print "%s attached!" % (self.__textLCD.getDeviceName())

      self.__textLCD.setCursorBlink(False)

    except PhidgetException, e:
      print "Phidget Exception %i: %s" % (e.code, e.message)
      sys.exit(1)

# 需要导入模块: from Phidgets.Devices import InterfaceKit [as 别名]
# 或者: from Phidgets.Devices.InterfaceKit import getSensorValue [as 别名]
try:
    ifk.waitForAttach(10000)
except PhidgetException as e:
    errors = errors + "<h5>Phidget Exception on Attach: " + e.details + "</h5>\n"
    errors = errors + "<h5>If Phidget is 'Not Physically Attached' it may be in use</h5>\n"

print('<table><tr><td>')


# Generating the Sensor Value Table
print('<b>Analog Sensor Values</b>')
print('<table border="1"><tr><td>Sensor Number</td><td>Sensor Value</td></tr>\n')

for i in range (0,8):
    try:        
        print ('<tr><td>'+str(i)+'</td><td>'+str(ifk.getSensorValue(i))+'</td></tr>\n')
    except:
        pint('<tr><td>'+str(i)+'</td><td>Could not Read Censor Value </td></tr>\n')    
print('</table></td><td>')

#Print the Digital Input values
print('<b>Digital Input Values</b>')
print('<table border="1"><tr><td>Input Number</td><td>Input Value</td></tr>\n')

for i in range (0,8):
    try:
        print ('<tr><td>'+str(i)+'</td><td>'+str(ifk.getInputState(i))+'</td></tr>\n')
    except:
        pint('<tr><td>'+str(i)+'</td><td>Could not Read Digital Input State </td></tr>\n')
print('</table></td><td>')