NAME

RFID::Libnfc - Perl extension for libnfc (Near Field Communication < http://www.libnfc.org/ >)

SYNOPSIS

            

              
              
ObjectOriented API: 
  use RFID::Libnfc;
  use RFID::Libnfc::Constants;
  $r = RFID::Libnfc::Reader->new();
  if ($r->init()) {
      printf ("Reader: %s\n", $r->name);
  }
  $tag->load_keys($keyfile);
  $tag = $r->connect(IM_ISO14443A_106);
  $tag->dumpInfo
  $block_data = $tag->read_block(240);
  $entire_sector = $tag->read_sector(35);
  $tag->write(240, $data); 
  $uid = $tag->uid;
===============================================================================
Procedural API: (equivalend of C api)
  use RFID::Libnfc ':all';
  use RFID::Libnfc::Constants ':all';
  my $pdi = nfc_connect();
  if ($pdi == 0) { 
      print "No device!\n"; 
      exit -1;
  }
  nfc_initiator_init($pdi); 
  # Drop the field for a while
  nfc_configure($pdi, NDO_ACTIVATE_FIELD, 0);
  # Let the reader only try once to find a tag
  nfc_configure($pdi, NDO_INFINITE_SELECT, 0);
  nfc_configure($pdi, NDO_HANDLE_CRC, 1);
  nfc_configure($pdi, NDO_HANDLE_PARITY, 1);
  # Enable field so more power consuming cards can power themselves up
  nfc_configure($pdi, NDO_ACTIVATE_FIELD, 1);
  printf("Reader:\t%s\n", $pdi->acName);
  # Try to find a MIFARE Classic tag
  my $ti = nfc_target_info_t->new();
  my $pti = $ti->_to_ptr;
  my $bool = nfc_initiator_select_passive_target($pdi, IM_ISO14443A_106, 0, 0, $pti);
  #read UID out of the tag
  my $uidLen = $pti->nai->uiUidLen;
  my @uid = unpack("C".$uidLen, $pti->nai->abtUid);
  printf("UID:\t". "%x " x $uidLen ."\n", @uid);
  # disconnects the tag
  nfc_disconnect($pdi);
            
          

DESCRIPTION

            

              
              
Provides a perl OO api to libnfc functionalities
(actually implements only mifare-related functionalities)
            
          

EXPORT

None by default.

Exportable functions

            

              
              
iso14443a_crc_append($pbtData, $uiLen)
$pci = nfc_connect()
nfc_disconnect($pdi)
$bool = nfc_configure($pdi, $ndo, $bEnable)
$bool = nfc_initiator_deselect_target($pdi)
$bool = nfc_initiator_init($pdi)
$bool = nfc_initiator_select_passive_target($pdi, $im, $pbtInitData, $uiInitDataLen, $pti)
$data = nfc_initiator_transceive_bits($pdi, $pbtTx, $uiTxBits, $pbtTxPar)
$data = nfc_initiator_transceive_bytes($pdi, $pbtTx, $uiTxLen)
$data = nfc_target_init($pdi, $pti)
$data = nfc_target_receive_bits($pdi)
$data = nfc_target_receive_bytes($pdi)
$bool = nfc_target_send_bits($pdi, $pbtTx, $uiTxBits, $pbtTxPar)
$bool = nfc_target_send_bytes($pdi, $pbtTx, $uiTxLen)
print_hex($pbtData, [ $uiLen ])
            
          

SEE ALSO

RFID::Libnfc::Constants RFID::Libnfc::Reader RFID::Libnfc::Tag

< check also documentation for libnfc c library [ http://www.libnfc.org/documentation/introduction ] >

AUTHOR

xant

COPYRIGHT AND LICENSE

Copyright (C) 2009-2011 by xant <xant@cpan.org>

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.8 or, at your option, any later version of Perl 5 you may have available.