def main():
# Instantiate reader
mifare = nxppy.Mifare()
# dict with presence signed in
registro = {}
while True:
try:
# Select tag
uid = mifare.select()
# Read NDEF data
ndef_data = mifare.read_ndef()
# Parse NDEF data
ndef_records = list(ndef.message_decoder(ndef_data))
print(ndef_records)
stringa = str(ndef_records[0])
code = code_finder(stringa, 5)
print(code)
current_time = time.strftime("%d-%m-%Y %H:%M:%S", time.gmtime())
print(current_time)
if code not in registro:
registro[code] = current_time
except nxppy.SelectError:
# SelectError is raised if no card is in the field.
pass
print(registro)
time.sleep(3)
def __init__(self):
try:
self.mifare = nxppy.Mifare()
except SystemError:
import mock_nxppy
self.mifare = mock_nxppy.Mifare()
def lectureCarte():
"""Fonction qui renvoie l'UID de la carte ou None si aucune carte n'est présente"""
mifare = nxppy.Mifare(
) #Création d'un objet Mifare permettant la lecture NFC
try:
uid = mifare.select() #Détection de la carte
return str(uid)
except nxppy.SelectError: #Erreur levée lorque aucune carte n'est présenté
return None
def test_detect_mifare_absent(self):
"""Test that an absent card results in a None response.
Either this test or the "present" test above will pass, but never both.
"""
import nxppy
reader = nxppy.Mifare()
self.assertIsInstance(reader, nxppy.Mifare)
self.assertIsNone(reader.select(), "Card UID is not None")
def test_detect_mifare_present(self):
"""Test that we can read the UID from a present Mifare card.
Either this test or the "absent" test below will pass, but never both.
"""
import nxppy
reader = nxppy.Mifare()
self.assertIsInstance(reader, nxppy.Mifare)
self.assertIsInstance(reader.select(), str, "Card UID is not a string")
def get_card_id():
'''Checks the NXP nfc card reader for a card identity'''
mifare = nxppy.Mifare()
while True:
try:
cardid = mifare.select()
if cardid is not None:
return cardid
except nxppy.SelectError:
pass
def __init__(self, wuInterval, syncInterval, pollInterval):
self.wuInterval = wuInterval
self.syncInterval = syncInterval
self.pollInterval = pollInterval
self.mifare = nxppy.Mifare()
self.armed = 0
self.alarmDevices = HCL_ALARM_DEVICES
self.allDevices = HCL_ALL_DEVICES
GP.setwarnings(False)
GP.setmode(GP.BOARD)
GP.setup(11, GP.OUT)
GP.output(11, False)
def RFIDManager():
print("YEAH BABY")
tancar()
stopped = threading.Event()
mifare = nxppy.Mifare()
while not stopped.wait(0.1):
try:
uid = mifare.select()
print(uid)
if (uid == '2118140B'):
obrir()
time.sleep(2)
tancar()
except nxppy.SelectError:
pass
def getNFCTag():
print('NFC TAG')
mifare = nxppy.Mifare()
# Print card UIDs as they are detected
while True:
try:
uid = mifare.select()
print(uid)
return uid
except nxppy.SelectError:
# SelectError is raised if no card is in the field.
# print('nxppy.SelectError')
pass
time.sleep(1)
def scan_card():
"""Return the uid and NDEF card as a response for jsonify and Flask API."""
# Instantiate reader
mifare = nxppy.Mifare()
try:
# Select tag
uid = mifare.select()
# Print card UIDs as they are detected
if len(uid) == 8:
try:
# mifare classic not implemented in nxppy
# can detect uid
# requirement to authenticate for read / write access
return {"uid":uid, "text":"", "status":"success"}
except nxppy.ReadError:
return {"error": "cannot read data"}
if len(uid) == 14:
try:
# Read NDEF data
ndef_data = mifare.read_ndef()
# print(ndef_data)
# Parse NDEF data
ndef_records = list(ndef.message_decoder(ndef_data))
record = ndef_records[0]
return {"uid":uid, "text":record.text, "status":"success"}
except nxppy.ReadError:
return {"error": "cannot read ndef_data"}
except nxppy.SelectError:
# SelectError is raised if no card is in the field.
return {"error": "card not found"}
def main():
mifare = nxppy.Mifare()
while True:
try:
uid = mifare.select()
print(uid)
ndef_data = mifare.read_ndef()
print(ndef_data[4:])
data = json.loads(ndef_data[4:])
check_booking(data)
except nxppy.SelectError:
pass
except MemoryError:
print('Could not read chip')
pass
except ValueError:
print('Could not parse data from JSON')
pass
time.sleep(1)
def start_scanner(self):
print("Ready to scan")
hasScanned = False
bb = nxppy.Mifare()
while not hasScanned:
try:
uid = bb.select()
if uid:
print("id: " + str(uid))
hasScanned = True
if self.isAlowedToEnter(uid):
self.currUID = uid
self.stm.send('card_valid')
else:
self.stm.send('card_invalid')
return
except nxppy.SelectError:
pass
time.sleep(1)
def _read_card_thread(self):
import nxppy
mifare = nxppy.Mifare()
while self._running:
try:
time.sleep(0.1)
read_card_id = mifare.select()
except nxppy.SelectError:
read_card_id = None
if time.time(
) - self._last_seen_timestamp > self.config.card_associate_login_timeout:
# Reset last seen state if timeout occurred
self._last_seen_id = None
self._last_fetched_id = None
if read_card_id is not None and self._last_seen_id != read_card_id:
# Save the read card data if different
self._last_seen_id = read_card_id
self._last_fetched_id = read_card_id.hex()
self._last_seen_timestamp = time.time()
def indexPage():
print('NFC TAG')
mifare = nxppy.Mifare()
# Print card UIDs as they are detected
while True:
try:
nfcid = mifare.select()
print(nfcid)
user = dao.query(User).filter(User.nfcid == nfcid).first()
if user is None:
raise NoneUserName
new_access = Access(user.name, user.nfcid)
dao.add(new_access)
dao.commit()
print(new_access.name + " Access")
except NoneUserName as e:
print(e)
except nxppy.SelectError:
# SelectError is raised if no card is in the field.
# print('nxppy.SelectError')
print('NFC Tag를 접촉해주세요')
time.sleep(1)
import nxppy
import time
import json
import urllib.request
import datetime
import os.path
import RPi.GPIO as GPIO
# Make sure this points towards your own hosted API
url = "http://192.168.1.10:58938/api/Terminal"
card = nxppy.Mifare()
bool = 'false' # json returns a string
currentCard = 'none'
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
# pin = pin number based on the board (pin40 = gpio pin 21 etc.)
def singleBlinkLed(pin, timer):
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, 1)
time.sleep(timer)
GPIO.output(pin, 0)
time.sleep(timer)
def duoBlinkLed(pin1, pin2, timer):
GPIO.setup(pin1, GPIO.OUT)
import nxppy
try:
print nxppy.Mifare().select()
except:
# We do not care
pass
'''
Variabili globali
'''
# istanza base di tkinter (manca settare le dimensioni e la posizione centrale del label)
text_waiting = "Appoggiare badge sul lettore..."
text_succeed = "Ingresso confermato!"
label = tk.Label(window,
fg="blue",
bg="white",
height="30",
font=("Courier", 30))
#label['text'] = text_waiting
label.pack()
#label.grid(row=0,column=0)
mifare = nxppy.Mifare() #istanza del reader
registro = {} #dizionario che contiene i valori registrati
''' ESEMPIO DI UTILIZZO
def task():
global text1
global text2
global counter
label1 = tk.Label(window,text=text1,fg="black")
label2 = tk.Label(window,text=text2,fg="white")
label1.grid(row=0,column=0)
label2.grid(row=0,column=1)
if counter % 2 == 0:
#mostro text1
label1.config(fg="black")
label2.config(fg="white")
else:
def __init__(self):
self.mifare = nxppy.Mifare()
import nxppy
import time
import paho.mqtt.client as mqtt
mifare = nxppy.Mifare()
def on_connect(client, userdata, flags, rc):
print("Connected")
def on_disconnect(client):
print("Disconnected")
mqttsender = mqtt.Client('marconfc')
mqttsender.on_connect = on_connect
mqttsender.on_disconnect = on_disconnect
mqttsender.connect('localhost', 1883)
# Print card UIDs as they are detected
while True:
try:
uid = mifare.select()
print(mqttsender.publish('/nfc/cardnumber', uid))
except nxppy.SelectError:
# SelectError is raised if no card is in the field.
pass
mqttsender.loop()
time.sleep(1)
def raspberry_explorer_board():
logger = Logger().getLogger()
config = Configuration()
# Connect to MPD
client = MPDClient()
client.connect("localhost", int(config.iniFile.get('mpd','port')))
# Connect to NFC Explorer board
logger.info('Connect to nxppy Mifare')
mifare = nxppy.Mifare()
# Initialize storage
logger.info('Connect to Redis')
storage = redis.StrictRedis(host='localhost', port=int(config.iniFile.get('redis','port')), db=0)
# Count pauses to make sure it is not a error reading
nbPause = 0
# Keep previous uid to compare with current one
previous_uid = None
# Data from taf
data = None
if mifare is None:
logger.info("Error while loading NFC Explorer Board")
else:
logger.info("Reader NFC Raspberry is now running")
while True:
try:
uid = mifare.select()
if uid is not None:
if uid == previous_uid:
nbPause = 0
if data:
status = client.status()
if status['state'] == 'stop':
logger.info("Play")
storage.set('current-tag-id', uid)
client.play(0)
if status['state'] == 'pause':
logger.info("Continue")
storage.set('current-tag-id', uid)
client.pause(0)
else:
pass
else:
previous_uid = uid
logger.info("New chip detected : %s" % uid)
# Save current-tag-id in memory to be used by services
storage.set('current-tag-id', uid)
# Stop mpd and
client.stop()
client.clear()
# Get from storage list of songs to play
tag = storage.get("tags:" + uid)
if tag is None:
logger.info("Unknown chip %s" % uid)
data = None
else:
# Load data
data = json.loads(tag)
logger.info(data)
# Configure MPD server
client.random(1 if data['random'] else 0)
client.repeat(1 if data['repeat'] else 0)
# Add songs
for song in data['songs']:
client.add(song)
if data['random']:
client.shuffle()
client.play(0)
except nxppy.SelectError:
# Random error reading. Avoi
if nbPause == 2:
nbPause = 0
# If play then
if client.status()['state'] == 'play':
logger.info("Detect missing chip")
logger.info("Pause")
storage.delete('current-tag-id')
client.pause(1)
# If us
elif previous_uid and not data:
previous_uid = None
storage.delete('current-tag-id')
else:
nbPause = nbPause + 1
except Exception as e:
logger.critical('Exception')
logger.critical('%s' % str(e))
