def __init__(self, parent=None):
QThread.__init__(self, parent)
self.status = Status.INIT
self.hw = DoorHW(red_pin=qsetup.RED_PIN, green_pin=qsetup.GREEN_PIN, door_pin=qsetup.DOOR_PIN, beep_pin=qsetup.BEEP_PIN)
self.reader = rfid_reader.factory(qsetup.READER_TYPE)
self.reader.initialize(baud_rate=qsetup.READER_BAUD_RATE)
self.authenticate = Authenticate.factory(qsetup.AUTHENTICATE_TYPE, qsetup.AUTHENTICATE_FILE)
botlog.info('authentication file date %s' % self.authenticate.get_file_time())
botlog.info('RFIDReaderThread Initialized.')
class RFIDReaderThread(QThread):
signalStatusChange = pyqtSignal(Status)
signalAccess = pyqtSignal('QString', dict)
def __init__(self, parent=None):
QThread.__init__(self, parent)
self.status = Status.INIT
self.hw = DoorHW(red_pin=qsetup.RED_PIN, green_pin=qsetup.GREEN_PIN, door_pin=qsetup.DOOR_PIN, beep_pin=qsetup.BEEP_PIN)
self.reader = rfid_reader.factory(qsetup.READER_TYPE)
self.reader.initialize(baud_rate=qsetup.READER_BAUD_RATE)
self.authenticate = Authenticate.factory(qsetup.AUTHENTICATE_TYPE, qsetup.AUTHENTICATE_FILE)
botlog.info('authentication file date %s' % self.authenticate.get_file_time())
botlog.info('RFIDReaderThread Initialized.')
def __del__(self):
botlog.info('RFIDReaderThread Thread Deletion.')
self.wait()
def updateLEDs(self):
if self.status == Status.INIT:
self.hw.green(on=True)
self.hw.red(on=True)
elif self.status == Status.READY:
self.hw.green(on=self.blinkPhase)
self.hw.red(on=False)
elif self.status == Status.DENIED or self.status == Status.UNKNOWN:
self.hw.green(on=False)
self.hw.red(on=True)
elif self.status == Status.ALLOWED or self.status == Status.LATCHED:
self.hw.green(on=True)
self.hw.red(on=False)
elif self.status == Status.ERROR:
self.hw.green(on=False)
self.hw.red(on=self.blinkPhase)
def blink(self):
self.updateLEDs()
self.blinkPhase = not self.blinkPhase
def setStatus(self, s):
botlog.debug('status change from %s to %s' % (self.status, s))
self.status = s
self.signalStatusChange.emit(s)
self.updateLEDs()
def unlatch(self):
self.hw.latch(open=False)
self.setStatus(Status.READY)
self.reader.flush()
self.notifier.setEnabled(True)
def undelay(self):
self.setStatus(Status.READY)
self.reader.flush()
self.notifier.setEnabled(True)
def onData(self):
rfid_str = self.reader.get_card()
if not rfid_str:
return
botlog.debug( 'RFID string >>%s<<' % rfid_str)
# Several things can happen:
# 1. some error in reading.
# 2. good card, not allowed
# 3. good card, allowed:
# 3a. schedule permits access at this time, so open door
# 3b. schedule does not permit access at this time.
# 4. bad card from some reason
# 5. unknown card
try :
self.setStatus(Status.READING)
rfid = int(rfid_str)
access = self.authenticate.get_access(rfid)
if access:
allowed = access['allowed']
member = access['member']
plan = access['plan']
print(allowed)
print(access)
print(plan)
if 'allowed' in allowed :
if qsetup.schedule.isAllowed(plan):
# 3a. open the door
#
botlog.info('%s allowed' % member)
self.setStatus(Status.ALLOWED)
self.setStatus(Status.LATCHED)
self.hw.latch(open=True)
self.notifier.setEnabled(False)
self.latchTimer.start(4000)
else:
# 3b. denied due to local schedule
botlog.warning('%s DENIED due to schedule restriction' % member)
allowed = 'denied'
if member['warning'] is None or member['warning'] == '':
member['warning'] = qsetup.schedule.scheduleDesc()
else:
member['warning'] += '\n%s' % qsetup.schedule.scheduleDesc()
self.setStatus(Status.DENIED)
self.notifier.setEnabled(False)
self.delayTimer.start(3000)
else :
#2
# access failed. blink the red
#
botlog.warning('%s DENIED' % member)
self.setStatus(Status.DENIED)
self.notifier.setEnabled(False)
self.delayTimer.start(3000)
else :
#5
botlog.warning('Unknown card %s ' % rfid_str)
self.setStatus(Status.UNKNOWN)
self.signalAccess.emit('denied', {'member':'Unknown.RFID.Tag', 'plan':None, 'tagid':'', 'allowed':'denied', 'nickname':None, 'warning':'This RFID tag is not recognized. Be sure you are using the correct tag and hold it steady over the read antenna.\n\nContact [email protected] if you continue to have problems.'})
self.notifier.setEnabled(False)
self.delayTimer.start(3000)
self.signalAccess.emit(allowed, access)
except :
#4
# bad input catcher, also includes bad cards
#
botlog.warning('bad card %s ' % rfid_str)
# other exception?
e = traceback.format_exc().splitlines()[-1]
botlog.error('door loop unexpected exception: %s' % e)
self.setStatus(Status.ERROR)
self.notifier.setEnabled(False)
self.delayTimer.start(3000)
def run(self):
botlog.info('RFIDReaderThread Running.')
self.blinkPhase = False
self.blinkTimer = QTimer()
self.blinkTimer.timeout.connect(self.blink)
self.latchTimer = QTimer()
self.latchTimer.timeout.connect(self.unlatch)
self.latchTimer.setSingleShot(True)
self.delayTimer = QTimer()
self.delayTimer.timeout.connect(self.undelay)
self.delayTimer.setSingleShot(True)
self.notifier = QSocketNotifier(self.reader.fileno(), QSocketNotifier.Read)
self.notifier.activated.connect(self.onData)
self.blinkTimer.start(250)
self.notifier.setEnabled(True)
self.setStatus(Status.READY)
self.exec()
botlog.info('RFIDReaderThread Stopped.')
