78 lines
2 KiB
C
78 lines
2 KiB
C
/*-
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* Public platform independent Near Field Communication (NFC) library
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*
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* Copyright (C) 2009, Roel Verdult
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser 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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/**
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* @file nfcip-initiator.c
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* @brief Turns the NFC device into a D.E.P. initiator (see NFCIP-1)
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <nfc/nfc.h>
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#define MAX_FRAME_LEN 264
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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_t *pnd;
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nfc_target_info_t ti;
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byte_t abtRx[MAX_FRAME_LEN];
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size_t szRx;
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byte_t send[] = "Hello World!";
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if (argc > 1) {
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printf ("Usage: %s\n", argv[0]);
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return EXIT_FAILURE;
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}
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pnd = nfc_connect (NULL);
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if (!pnd) {
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printf("Unable to connect to NFC device.\n");
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return EXIT_FAILURE;
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}
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if (!nfc_initiator_init (pnd)) {
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nfc_perror(pnd, "nfc_initiator_init");
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return EXIT_FAILURE;
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}
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if(!nfc_initiator_select_dep_target (pnd, NM_PASSIVE_DEP, NULL, 0, NULL, 0, NULL, 0, &ti)) {
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nfc_perror(pnd, "nfc_initiator_select_dep_target");
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return EXIT_FAILURE;
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}
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printf ("Sending: %s\n", send);
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if (!nfc_initiator_transceive_bytes (pnd, send, strlen ((char *) send), abtRx, &szRx)) {
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nfc_perror(pnd, "nfc_initiator_transceive_bytes");
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return EXIT_FAILURE;
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}
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abtRx[szRx] = 0;
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printf ("Received: %s\n", abtRx);
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nfc_initiator_deselect_target (pnd);
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nfc_disconnect (pnd);
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return EXIT_SUCCESS;
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}
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