def main():
nfc = nfc_comm.NFC()
readers = nfc.get_readers()
print('Found {} readers.'.format(len(readers)))
if len(readers) == 0:
return 2
reader_status = nfc_comm.ReaderStatus(nfc.get_status_change()[0])
if not reader_status.is_card_present():
print('No card present.')
return 2
print('Found card.')
cards = nfc_comm.get_cards(nfc)
if len(cards) == 0:
print('Card is not NTAG203.')
return 2
print('Card is NTAG203.')
card = cards[0]
with nfc_comm.Connection(nfc) as conn:
test_data = list(range(0, card.DATA_LEN))
print('Writing sequential bytes...')
card.write(conn, test_data)
print('Reading bytes...')
assert card.read(conn) == test_data
print('Test passed.')
def main():
logging.basicConfig(level=logging.DEBUG)
parser = argparse.ArgumentParser()
parser.add_argument('--version', default=2, nargs='?', type=int)
options = parser.parse_args()
nfc = nfc_comm.NFC()
readers = nfc.get_readers()
if len(readers) == 0:
print('Cannot find NFC reader.')
return 2
reader_status = nfc_comm.ReaderStatus(nfc.get_status_change()[0])
if not reader_status.is_card_present():
print('No card present.')
return 2
print('Found card.')
cards = nfc_comm.get_cards(nfc)
if len(cards) == 0:
print('Card is not NTAG203.')
return 2
print('Card is NTAG203.')
card = cards[0]
with nfc_comm.Connection(nfc) as conn:
if options.version == 1:
defaults = packet.v1_defaults()
else:
defaults = packet.v2_defaults(1)
pprint(defaults)
card.write(conn, packet.encode(defaults))
def rpc_write_tag(fields):
LOG.info("rpc_write_tag: %s", fields)
data_bytes = packet.encode(fields)
LOG.debug("write bytes %s", nfc_comm.fmt_bytes(data_bytes))
with nfc_comm.NFC() as nfc, nfc_comm.Connection(nfc) as conn:
cards = nfc_comm.get_cards(nfc)
card = cards[0]
card.write(conn, data_bytes)
def read_status():
'''Readers and tags come and go. Always return something reasonable.'''
with nfc_comm.NFC() as nfc:
readers = nfc.get_readers()
if len(readers) == 0:
return NO_NFC_READER
convert_v1_cards_to_v2(nfc)
cards = nfc_comm.get_cards(nfc)
return {'readers': readers, 'cards': [card.dic for card in cards]}
def main():
nfc = nfc_comm.NFC()
readers = nfc.get_readers()
print('Found {} readers.'.format(len(readers)))
if len(readers) == 0:
return 0
print_sep()
reader_status = nfc_comm.ReaderStatus(nfc.get_status_change()[0])
if not reader_status.is_card_present():
print('No card present.')
return 0
print('Connecting to card...')
conn = nfc_comm.Connection(nfc, readers[0])
print('Reading UID...')
uid = nfc_comm.check_err(conn.transmit(apdu.get_uid()))
print('UID: {}'.format(' '.join([hex2(byte) for byte in uid])))
print_sep()
print('Sending NXP GET_VERSION using PASS_THROUGH command...')
version_blk = conn.transmit(apdu.get_version())
version_str = ' '.join([hex2(byte) for byte in version_blk])
print('version: {}'.format(version_str))
print_sep()
print('Reading blocks until an error is raised...')
for block_num in range(0, 64):
try:
blk = nfc_comm.check_err(conn.transmit(apdu.read_block(block_num)))
# pylint: disable=bare-except
except:
print('Reached end of readable blocks.')
break
else:
blk_str = ' '.join([hex2(byte) for byte in blk])
print('block_num {0:02x}: {1}'.format(block_num, blk_str))
pprint(nfc_comm.NTAG203(conn).dic)
def read_card_with_serial(self, serial):
self.nfc = nfc_comm.NFC()
readers = self.nfc.get_readers()
for reader in readers:
if 'SCM Microsystems' in reader:
try:
with nfc_comm.Connection(self.nfc, reader) as conn:
currentSerial = get_attrib(
conn.hcard, sc.SCARD_ATTR_VENDOR_IFD_SERIAL_NO)
if currentSerial == serial:
tag = nfc_comm.maybe_tag(conn)
if tag is None:
return ('Cartridge not detected.')
else:
return (str(tag.dic))
except scw.NFCException as nfce:
if nfce.err_code == -2146434967:
continue
elif nfce.err_code == -2146435056:
return ('Please re-insert the cartridge')
return ('The specified reader was not detected.')