84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
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/*
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Public platform independent Near Field Communication (NFC) library
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Copyright (C) 2009, Roel Verdult
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "libnfc.h"
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static byte abtRecv[MAX_FRAME_LEN];
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static ui32 uiRecvLen;
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static dev_id di;
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int main(int argc, const char* argv[])
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{
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// Try to open the NFC reader
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di = acr122_connect(0);
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if (di == INVALID_DEVICE_ID)
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{
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printf("Error connecting NFC reader\n");
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return 1;
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}
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nfc_reader_init(di);
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// Let the reader only try once to find a tag
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nfc_configure_list_passive_infinite(di,false);
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// Drop the field so the tag will be reset
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nfc_configure_field(di,false);
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// Configure the communication channel
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nfc_configure_handle_crc(di,true);
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nfc_configure_handle_parity(di,true);
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printf("\nConnected to NFC reader\n\n");
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uiRecvLen = MAX_FRAME_LEN;
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if (nfc_reader_list_passive(di,MT_ISO14443A_106,null,null,abtRecv,&uiRecvLen))
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{
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// ISO14443A tag info = ( tag_count[1], tag_nr[1], ATQA[2], SAK[1], uid_len[1], UID[uid_len], ats_len[1], ATS[ats_len-1] )
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// ATS is optional
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printf("The following (NFC) ISO14443A tag was found:\n\n");
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printf("%17s","ATQA (SENS_RES): ");
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print_hex(abtRecv+2,2);
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printf("%17s","UID (NFCID1): ");
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print_hex(abtRecv+6,abtRecv[5]);
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printf("%17s","SAK (SEL_RES): ");
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print_hex(abtRecv+4,1);
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if (uiRecvLen > 6+(ui32)abtRecv[5])
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{
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printf("%17s","ATS (ATR): ");
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print_hex(abtRecv+6+abtRecv[5]+1,abtRecv[6+abtRecv[5]]-1);
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}
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} else {
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printf("Error: no tag was found\n");
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}
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// Todo: listing the folllowing tags types
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//
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// MT_FELICA_212
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// MT_FELICA_424
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// MT_ISO14443B_106
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// MT_TOPAZ_106
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return 0;
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}
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