bdw-desktop/dist/reader.py

from smartcard.CardType import AnyCardType
from smartcard.CardRequest import CardRequest
from smartcard.util import toHexString
from smartcard.ATR import ATR
import logging

# 通过下面的方式进行简单配置输出方式与日志级别
# logging.basicConfig(filename='E:\logger.log', level=logging.INFO)

# 初始化读卡器
def init():
  print('初始化读卡器')
  card_type = AnyCardType()
  card_request = CardRequest(timeout=500, cardType=card_type)
  card_service = card_request.waitforcard()
  card_service.connection.connect()
  atr = ATR(card_service.connection.getATR())
  return card_service

def trace_command(apdu):
    logging.info('sending: ' + toHexString(apdu))


def trace_response(response, sw1, sw2):
  if response is None:
    response = []
  print(
    'serial no.: ',
    toHexString(response),
    ' status words: ',
    "%x %x" % (sw1, sw2)
  )
  logging.info('serial no.: ' +
               toHexString(response) +
               ' status words: ' +
               "%x %x" % (sw1, sw2))
def bytes2hexstr(data_bytes):
  data_number = len(data_bytes)
  data_hex_str = ''
  for i in range(0, data_number):
    data_int = int(str(data_bytes[i]))
    data_hex_str += "{:02X} ".format(data_int)
  return data_hex_str

#发送指令
def sendCommand(card_service,command):
    trace_command(command)
    res, s1, s2 = card_service.connection.transmit(command)
    trace_response(res, s1, s2)
    return res,s1,s2


# 读取芯片UID
def read_uid(card_service):
  rf_command_bytes = [0xFF,0xCA,0x00,0x00,0x00]
  res,s1,s2 = sendCommand(card_service,rf_command_bytes)
  return bytes2hexstr(res)