Henryk Plötz
13 years ago
parent
331bfc4d47
commit
8f5ec36f7a
@ -0,0 +1,149 @@
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import utils, binascii
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from generic_card import *
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class PN532_Virtual_Card(Card):
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# This is a virtual card that is enabled for the ACS ACR reader that
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# contains a PN532 module
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DRIVER_NAME = ["PN532"]
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STATUS_WORDS = dict(Card.STATUS_WORDS)
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COMMANDS = dict(Card.COMMANDS)
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APDU_TRANSCEIVE_PN532 = C_APDU(cla=0xff, ins=0, p1=0, p2=0)
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def cmd_pn532(self, *cmd):
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"Transmit a command to the PN532 and receive the response"
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result = self.pn532_transceive(binascii.unhexlify("".join("".join(cmd).split())))
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print utils.hexdump(result.data)
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parsed = self.pn532_parse(result.data)
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if len(parsed) > 0:
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print "\n".join(parsed) + "\n"
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def cmd_pn532_poll(self):
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"Poll for cards in the field"
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self.cmd_pn532("d4 4a 01 00")
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def pn532_transceive(self, cmd):
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apdu = C_APDU(self.APDU_TRANSCEIVE_PN532, lc=len(cmd), data=cmd)
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response = self.send_apdu(apdu)
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return response
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def pn532_parse(self, response):
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result = []
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type = None
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cmd = None
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if len(response) == 0:
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pass
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elif response[0] == "\xd4":
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type="command"
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elif response[0] == "\xd5":
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type="response"
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else:
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result.append("Invalid PN532 direction header")
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if len(response) > 1: cmd = ord(response[1])
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if type is not None:
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desc = "PN532 %s (%s)" % (type,
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self.PN532_COMMANDS.get(cmd & 0xfe, "Unknown command") )
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result.append(desc)
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if len(response) > 1:
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s = "pn532_parse_%s_%02X" % (type, cmd)
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if hasattr(self, s):
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result.extend( getattr(self, s)(response[2:]) )
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elif len(response) > 2:
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result.append( "No detailed decoding available" )
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return result
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def pn532_parse_response_03(self, response):
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return [ "Version: PN5%02X, firmware %i.%i (cap: %02X)" % tuple(map(ord, response)) ]
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def pn532_parse_response_05(self, response):
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result = ["Last error: %02X" % ord(response[0]),
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"External field: %s" % ( response[1] == "\x01" and "present" or "not present" ),
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"Number of targets: %i" % ord(response[2])]
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for i in range( (len(response)-4)/4 ):
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t = "Target %i: %i kbps receive, %i kbps send, type: %s" % (
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ord(response[3+i*4]),
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self.PN532_BIT_RATES.get( ord(response[3+i*4+1]), "XXX" ),
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self.PN532_BIT_RATES.get( ord(response[3+i*4+2]), "XXX" ),
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self.PN532_TAG_TYPES.get( ord(response[3+i*4+3]), "unknown" ),
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)
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result.append(t)
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result.append( "SAM status: %02X" % ord(response[-1]) )
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return result
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def can_handle(cls, reader):
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"""Determine whether this class can handle a given reader object."""
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if reader.name.startswith("ACS ACR 38U-CCID"):
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return True
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return False
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can_handle = classmethod(can_handle)
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STATUS_WORDS.update( {
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'\x63\x00': "Operation failed",
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'\x63\x01': "PN532 did not respond",
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'\x63\x27': "PN532 response checksum wrong",
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'\x63\x7f': "PN532 command wrong",
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} )
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COMMANDS.update( {
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"pn532": cmd_pn532,
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"pn532_poll": cmd_pn532_poll,
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} )
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PN532_COMMANDS = {
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0x00: "Diagnose",
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0x02: "GetFirmwareVersion",
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0x04: "GetGeneralStatus",
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0x06: "ReadRegister",
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0x08: "WriteRegister",
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0x0c: "ReadGPIO",
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0x0e: "WriteGPIO",
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0x10: "SetSerialBaudrate",
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0x12: "SetParameters",
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0x14: "SAMConfiguration",
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0x16: "PowerDown",
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0x32: "RFConfiguration",
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0x58: "RFRegulationTest",
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0x56: "InJumpForDEP",
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0x46: "InJumpForPSL",
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0x4A: "InListPassiveTarget",
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0x50: "InATR",
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0x4E: "InPSL",
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0x40: "InDataExchange",
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0x42: "InCommunicateThru",
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0x44: "InDeselect",
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0x52: "InRelease",
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0x54: "InSelect",
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0x60: "InPoll",
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0x8C: "TgInitAsTarget",
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0x92: "TgSetGeneralBytes",
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0x86: "TgGetData",
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0x8E: "TgSetData",
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0x94: "TgSetMetaData",
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0x88: "TgGetInitiatorCommand",
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0x90: "TgResponseToInitiator",
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0x8A: "TgGetTargetStatus",
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}
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PN532_BIT_RATES = {
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0x0: 106,
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0x1: 212,
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0x2: 424,
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}
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PN532_TAG_TYPES = {
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0x00: "Mifare, ISO 14443-3 A/B or ISO 18092 passive 106 kbps",
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0x10: "FeliCa or ISO 18092 passive 212/424 kbps",
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0x01: "ISO 18092 active",
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0x02: "Innovision Jewel",
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}
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