65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/**
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* @file quick_start_example1.c
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* @brief Quick start example that presents how to use libnfc
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif // HAVE_CONFIG_H
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#include <stdlib.h>
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#include <nfc/nfc.h>
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#include "utils/nfc-utils.h"
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#include "libnfc/chips/pn53x.h"
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int
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main (int argc, const char *argv[])
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{
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nfc_device *pnd;
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nfc_target nt;
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nfc_init (NULL);
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// Display libnfc version
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const char *acLibnfcVersion = nfc_version ();
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printf ("%s uses libnfc %s\n", argv[0], acLibnfcVersion);
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// Open, using the first available NFC device
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pnd = nfc_open (NULL, NULL);
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if (pnd == NULL) {
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ERR ("%s", "Unable to open NFC device.");
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return EXIT_FAILURE;
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}
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// Set opened NFC device to initiator mode
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if (nfc_initiator_init (pnd) < 0) {
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nfc_perror (pnd, "nfc_initiator_init");
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exit (EXIT_FAILURE);
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}
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printf ("NFC reader: %s opened\n", nfc_device_get_name (pnd));
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// Poll for a ISO14443A (MIFARE) tag
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const nfc_modulation nmMifare = {
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.nmt = NMT_ISO14443A,
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.nbr = NBR_106,
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};
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if (nfc_initiator_select_passive_target (pnd, nmMifare, NULL, 0, &nt) > 0) {
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printf ("The following (NFC) ISO14443A tag was found:\n");
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printf (" ATQA (SENS_RES): ");
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print_hex (nt.nti.nai.abtAtqa, 2);
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printf (" UID (NFCID%c): ", (nt.nti.nai.abtUid[0] == 0x08 ? '3' : '1'));
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print_hex (nt.nti.nai.abtUid, nt.nti.nai.szUidLen);
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printf (" SAK (SEL_RES): ");
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print_hex (&nt.nti.nai.btSak, 1);
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if (nt.nti.nai.szAtsLen) {
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printf (" ATS (ATR): ");
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print_hex (nt.nti.nai.abtAts, nt.nti.nai.szAtsLen);
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}
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}
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// Close NFC device
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nfc_close (pnd);
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nfc_exit (NULL);
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return EXIT_SUCCESS;
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}
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