def apdu(self, pdu):
ret = self.__trancieve("t%.2x1f02%s"%(len(pdu) + 1,
bin2asc(pdu)))
bin = asc2bin(ret)
if len(bin) < 4:
raise ACG_IOError("Bad PDU response: %s"%ret)
bin = bin[2:]
return (bin[:-2], ord(bin[-2:-1]), ord(bin[-1:]))
def multi_select(self):
uid = self.__serio.tx("m\r")
uid = self.__rx('m\r')
ret = []
while len(uid) > 2:
t = self.__parse_tag("m\r", asc2bin(uid))
ret.append(t)
uid = self.__rx('m\r')
return ret
def continuous_read(self):
if not self.__cont_read:
self.__serio.tx("c")
self.__cont_read = True
uid = self.__rx('c')
if uid == 'S':
self.__cont_read = False
return None
return self.__parse_tag('c', asc2bin(uid))
def select(self, stag = None): if stag == None: cmd = "s" else: cmd = "m%s\r"%stag.serial_str uid = asc2bin(self.__trancieve(cmd)) t = self.__parse_tag(cmd, uid) if stag != None and t != stag: raise ACG_NoTagInField return t