libnfc 1.3.9
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00001 /*- 00002 * Public platform independent Near Field Communication (NFC) library 00003 * 00004 * Copyright (C) 2009, Roel Verdult 00005 * 00006 * This program is free software: you can redistribute it and/or modify it 00007 * under the terms of the GNU Lesser General Public License as published by the 00008 * Free Software Foundation, either version 3 of the License, or (at your 00009 * option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, but WITHOUT 00012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 00014 * more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public License 00017 * along with this program. If not, see <http://www.gnu.org/licenses/> 00018 * 00019 */ 00020 00026 #ifdef HAVE_CONFIG_H 00027 # include "config.h" 00028 #endif // HAVE_CONFIG_H 00029 00030 #include <err.h> 00031 #include <stdio.h> 00032 #include <nfc/nfc.h> 00033 00034 #define MAX_FRAME_LEN 264 00035 00036 int 00037 main (int argc, const char *argv[]) 00038 { 00039 byte_t abtRecv[MAX_FRAME_LEN]; 00040 size_t szRecvBits; 00041 byte_t send[] = "Hello Mars!"; 00042 nfc_device_t *pnd = nfc_connect (NULL); 00043 00044 if (argc > 1) { 00045 errx (1, "usage: %s", argv[0]); 00046 } 00047 00048 if (!pnd || !nfc_target_init (pnd, abtRecv, &szRecvBits)) { 00049 printf ("unable to connect or initialize\n"); 00050 return 1; 00051 } 00052 00053 if (!nfc_target_receive_bytes (pnd, abtRecv, &szRecvBits)) { 00054 printf ("unable to receive data\n"); 00055 return 1; 00056 } 00057 abtRecv[szRecvBits] = 0; 00058 printf ("Received: %s\n", abtRecv); 00059 printf ("Sending : %s\n", send); 00060 00061 if (!nfc_target_send_bytes (pnd, send, 11)) { 00062 printf ("unable to send data\n"); 00063 return 1; 00064 } 00065 00066 nfc_disconnect (pnd); 00067 return 0; 00068 }