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)
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)
