def init_rfid():
try:
if debug:
print "Initializing RFID object..."
rfid = RFID()
rfid.setOnErrorhandler(rfidError)
rfid.setOnTagHandler(rfidTagGained)
rfid.setOnTagLostHandler(rfidTagLost)
rfid.openPhidget()
if debug:
print "RFID object initialized!"
print "Waiting to attach RFID reader..."
rfid.waitForAttach(10000)
if debug:
print "RFID reader attached!"
rfid.setAntennaOn(True)
return rfid
except RuntimeError as e:
print "Runtime error: %s stopping!" % e.details
exit(1)
except PhidgetException as e:
print "Phidget error: %i, %s" % (e.code, e.details)
exit(1)
class RFIDObject:
def __init__(self):
self.InitRFID()
def InitRFID(self):
try:
self.RFIDEnabled=False
self.rfid = RFID()
self.rfid.setOnAttachHandler(self.RFIDAttached)
self.rfid.setOnDetachHandler(self.RFIDDetached)
self.rfid.setOnTagHandler(self.RFIDNewTag)
self.rfid.openPhidget()
print ('here')
except RuntimeError as e:
self.Log("Runtime Exception creating RFID: %s" % e.details)
self.Log("Exiting....")
exit(1)
def RFIDAttached(self,e):
self.RFIDEnabled=True
print "Found RFID"
self.rfid.setAntennaOn(True)
def RFIDDetached(self,e):
self.RFIDEnabled=False
print "RFID Detached"
def RFIDNewTag(self,e):
self.RFIDButtonHit=True
print "RFID tag %s"%e.tag
rfid.waitForAttach(10000)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
try:
rfid.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Exiting....")
exit(1)
else:
displayDeviceInfo()
print("Turning on the RFID antenna....")
rfid.setAntennaOn(True)
print("Press Enter to quit....")
chr = sys.stdin.read(1)
# Write tag example:
#try:
# rfid.write("Some Tag", RFIDTagProtocol.PHIDGET_RFID_PROTOCOL_PHIDGETS)
#except PhidgetException as e:
# print("Phidget Exception %i: %s" % (e.code, e.details))
try:
lastTag = rfid.getLastTag()
print("Last Tag: %s" % (lastTag))
except PhidgetException as e:
rfid.waitForAttach(10000)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
try:
rfid.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Exiting....")
exit(1)
else:
displayDeviceInfo()
print("Turning on the RFID antenna....")
rfid.setAntennaOn(True)
print("Press Enter to quit....")
chr = sys.stdin.read(1)
try:
lastTag = rfid.getLastTag()
print("Last Tag: %s" % (lastTag))
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Closing...")
try:
rfid.closePhidget()
class Reader:
''' Phidgets 125khz RFID Reader/Writer '''
def __init__(self):
# Create an RFID object
try:
self.rfid = RFID()
self.user_manager = UserManager()
except RuntimeError as e:
Logger.info("RFID: Phidget Runtime Exception: %s" % e.details)
Logger.info("RFID: Phidget Exiting....")
exit(1)
#Main Phiget Program Code
try:
#logging example, uncomment to generate a log file
#rfid.enableLogging(PhidgetLogLevel.PHIDGET_LOG_VERBOSE, "phidgetlog.log")
self.rfid.setOnAttachHandler(self.rfidAttached)
self.rfid.setOnDetachHandler(self.rfidDetached)
self.rfid.setOnErrorhandler(self.rfidError)
self.rfid.setOnOutputChangeHandler(self.rfidOutputChanged)
self.rfid.setOnTagHandler(self.rfidTagGained)
self.rfid.setOnTagLostHandler(self.rfidTagLost)
except PhidgetException as e:
Logger.exception("RFID: Phidget Exception %i: %s" % (e.code, e.details))
Logger.exception("RFID: Exiting....")
exit(1)
Logger.info("RFID: Opening phidget object....")
try:
self.rfid.openPhidget()
except PhidgetException as e:
Logger.info("RFID: Phidget Exception %i: %s" % (e.code, e.details))
Logger.info("RFID: Exiting....")
exit(1)
Logger.info("RFID: Waiting for attach....")
try:
self.rfid.waitForAttach(10000)
except PhidgetException as e:
Logger.exception("RFID: Phidget Exception %i: %s" % (e.code, e.details))
try:
self.rfid.closePhidget()
except PhidgetException as e:
Logger.exception("RFID: Phidget Exception %i: %s" % (e.code, e.details))
Logger.exception("RFID: Exiting....")
exit(1)
Logger.exception("RFID: Exiting....")
exit(1)
else:
self.displayDeviceInfo()
Logger.info("RFID: Turning on the RFID antenna....")
self.rfid.setAntennaOn(True)
# Information Display Function
def displayDeviceInfo(self):
Logger.info("RFID: |------------|----------------------------------|--------------|------------|")
Logger.info("RFID: |- Attached -|- Type -|- Serial No. -|- Version -|")
Logger.info("RFID: |------------|----------------------------------|--------------|------------|")
Logger.info("RFID: |- %8s -|- %30s -|- %10d -|- %8d -|" % (self.rfid.isAttached(), self.rfid.getDeviceName(),
self.rfid.getSerialNum(), self.rfid.getDeviceVersion()))
Logger.info("RFID: |------------|----------------------------------|--------------|------------|")
Logger.info("RFID: Number of outputs: %i -- Antenna Status: %s -- Onboard LED Status: %s" %
(self.rfid.getOutputCount(), self.rfid.getAntennaOn(), self.rfid.getLEDOn()))
#Event Handler Callback Functions
def rfidAttached(self, e):
self.attached = e.device
Logger.info("RFID: %i Attached!" % (self.attached.getSerialNum()))
def rfidDetached(self, e):
self.detached = e.device
Logger.info("RFID: %i Detached!" % (self.detached.getSerialNum()))
def rfidError(self, e):
try:
source = e.device
Logger.exception("RFID: %i Phidget Error %i: %s" % (self.source.getSerialNum(), e.eCode, e.description))
except PhidgetException as e:
Logger.exception(("RFID: Phidget Exception %i: %s" % (e.code, e.details)))
def rfidOutputChanged(self, e):
self.source = e.device
Logger.info("RFID: %i Output %i State: %s" % (self.source.getSerialNum(), e.index, e.state))
def rfidTagGained(self, e):
self.rfid.setLEDOn(1)
Logger.info("RFID: Tag gained: {}".format(e.tag))
self.user_manager.tag_gained = e.tag # this sets up the UserManager.on_tag_gained() to be called
def rfidTagLost(self, e):
self.rfid.setLEDOn(0)
Logger.info("RFID: Tag lost: {}".format(e.tag))
