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#! /usr/bin/env python3
# transmit_loop.py: call SCardTransmit in an endless loop
# Copyright (C) 2010 Ludovic Rousseau
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, see <http://www.gnu.org/licenses/>.
"""
PCSC transmit infinite loop
"""
from smartcard.System import readers
r = readers()
connection = r[0].createConnection()
connection.connect()
SELECT = [0x00, 0xA4, 0x00, 0x00, 0x02, 0x3F, 0x00]
i = 0
try:
while True:
print("loop:", i)
i += 1
data, sw1, sw2 = connection.transmit(SELECT)
print(data)
print("{sw1:02x} {s2:02x}")
except KeyboardInterrupt:
connection.disconnect()
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