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)
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)
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>')
ser = serial.Serial('/dev/ttyUSB1', 9600, timeout=1)
except:
print "not connected"
try:
#Your program Code here
interfaceKit.openPhidget()
interfaceKit.waitForAttach(10000)
print("%d attached!" % (interfaceKit.getSerialNum()))
xold = 0
yold = 0
zold = 0
pold = 0
cmd = "\x82"
ser.write(cmd)
while True:
x1 = interfaceKit.getSensorValue(0)
y1 = interfaceKit.getSensorValue(1)
z1 = interfaceKit.getSensorValue(2)
p1 = interfaceKit.getSensorValue(3)
sleep(0.2)
x3 = interfaceKit.getSensorValue(0)
y3 = interfaceKit.getSensorValue(1)
z3 = interfaceKit.getSensorValue(2)
p3 = interfaceKit.getSensorValue(3)
if (-20 < (int(x3) - int(x1)) < 20 and 450 < z1 < 550):
print(x1, y1, p1, z1)
x2 = int(round((int(x1) - 500) / 7, 0))
if (-10 < x2 < 10 and x2 != xold):
cmd1 = "\xaa\x04\x06"
cmd2 = "\xaa\x04\x07"
ser.write(cmd1)
