def wait_card_insert(connection, chip = False, timeout = 0):
"""
TODO.
"""
i = 0
while timeout == 0 or (timeout > 0 and i <= timeout):
print('Please insert a chip card ...')
ack = Protocol.recv_system_status(connection, timeout)
cr_status = ack['Entry'].get(0x10)
if cr_status:
sts = cr_status['Status']
ext = cr_status['StatusExt']
if sts == 1 and (((ext&3) == 3) if chip else ((ext&1) == 1)):
return True
i += 1
time.sleep(1)
return False
