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| #! /usr/bin/python
"""Copyright 2011 Phidgets Inc.
This work is licensed under the Creative Commons Attribution 2.5 Canada License.
To view a copy of this license, visit <a href="http://creativecommons.org/licenses/by/2.5/ca/" target="_blank">http://creativecommons.org/licenses/by/2.5/ca/</a>
"""
__author__="Adam Stelmack"
__version__="2.1.8"
__date__ ="14-Jan-2011 2:29:14 PM"
#Basic imports
import sys
from time import sleep
#Phidget specific imports
from Phidgets.PhidgetException import PhidgetException
from Phidgets.Devices.Bridge import Bridge, BridgeGain
from Phidgets.Phidget import PhidgetLogLevel
#Create an accelerometer object
try:
bridge = Bridge()
except RuntimeError as e:
print("Runtime Exception: %s" % e.details)
print("Exiting....")
exit(1)
#Information Display Function
def displayDeviceInfo():
print("|------------|----------------------------------|--------------|------------|")
print("|- Attached -|- Type -|- Serial No. -|- Version -|")
print("|------------|----------------------------------|--------------|------------|")
print("|- %8s -|- %30s -|- %10d -|- %8d -|" % (bridge.isAttached(), bridge.getDeviceName(), bridge.getSerialNum(), bridge.getDeviceVersion()))
print("|------------|----------------------------------|--------------|------------|")
print("Number of bridge inputs: %i" % (bridge.getInputCount()))
print("Data Rate Max: %d" % (bridge.getDataRateMax()))
print("Data Rate Min: %d" % (bridge.getDataRateMin()))
print("Input Value Max: %d" % (bridge.getBridgeMax(0)))
print("Input Value Min: %d" % (bridge.getBridgeMin(0)))
#Event Handler Callback Functions
def BridgeAttached(e):
attached = e.device
print("Bridge %i Attached!" % (attached.getSerialNum()))
def BridgeDetached(e):
detached = e.device
print("Bridge %i Detached!" % (detached.getSerialNum()))
def BridgeError(e):
try:
source = e.device
print("Bridge %i: Phidget Error %i: %s" % (source.getSerialNum(), e.eCode, e.description))
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
def BridgeData(e):
source = e.device
print("Bridge %i: Input %i: %f" % (source.getSerialNum(), e.index, e.value))
#Main Program Code
try:
#logging example, uncomment to generate a log file
#bridge.enableLogging(PhidgetLogLevel.PHIDGET_LOG_VERBOSE, "phidgetlog.log")
bridge.setOnAttachHandler(BridgeAttached)
bridge.setOnDetachHandler(BridgeDetached)
bridge.setOnErrorhandler(BridgeError)
bridge.setOnBridgeDataHandler(BridgeData)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Opening phidget object....")
try:
bridge.openPhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Waiting for attach....")
try:
bridge.waitForAttach(10000)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
try:
bridge.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Exiting....")
exit(1)
else:
displayDeviceInfo()
try:
print("Set data rate to 8ms ...")
bridge.setDataRate(16)
sleep(2)
print("Set Gain to 8...")
bridge.setGain(0, BridgeGain.PHIDGET_BRIDGE_GAIN_8)
sleep(2)
print("Enable the Bridge input for reading data...")
bridge.setEnabled(0, True)
sleep(2)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
try:
bridge.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Exiting....")
exit(1)
print("Press Enter to quit....")
chr = sys.stdin.read(1)
print("Closing...")
try:
print("Disable the Bridge input for reading data...")
bridge.setEnabled(0, False)
sleep(2)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
try:
bridge.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Exiting....")
exit(1)
try:
bridge.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Done.")
exit(0) |
