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<h1>nfc-relay-picc.c</h1> </div>
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<div class="contents">
<a href="nfc-relay-picc_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*-</span>
<a name="l00002"></a>00002 <span class="comment"> * Public platform independent Near Field Communication (NFC) library examples</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2010, Romuald Conty</span>
<a name="l00005"></a>00005 <span class="comment"> * </span>
<a name="l00006"></a>00006 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00007"></a>00007 <span class="comment"> * modification, are permitted provided that the following conditions are met:</span>
<a name="l00008"></a>00008 <span class="comment"> * 1) Redistributions of source code must retain the above copyright notice,</span>
<a name="l00009"></a>00009 <span class="comment"> * this list of conditions and the following disclaimer. </span>
<a name="l00010"></a>00010 <span class="comment"> * 2 )Redistributions in binary form must reproduce the above copyright</span>
<a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span>
<a name="l00012"></a>00012 <span class="comment"> * documentation and/or other materials provided with the distribution.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span>
<a name="l00015"></a>00015 <span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
<a name="l00016"></a>00016 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
<a name="l00017"></a>00017 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE</span>
<a name="l00018"></a>00018 <span class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span>
<a name="l00019"></a>00019 <span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span>
<a name="l00020"></a>00020 <span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
<a name="l00021"></a>00021 <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span>
<a name="l00022"></a>00022 <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span>
<a name="l00023"></a>00023 <span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span>
<a name="l00024"></a>00024 <span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment"> * </span>
<a name="l00026"></a>00026 <span class="comment"> * Note that this license only applies on the examples, NFC library itself is under LGPL</span>
<a name="l00027"></a>00027 <span class="comment"> *</span>
<a name="l00028"></a>00028 <span class="comment"> */</span>
<a name="l00029"></a>00029
<a name="l00035"></a>00035 <span class="comment">// Notes & differences with nfc-relay:</span>
<a name="l00036"></a>00036 <span class="comment">// - This example only works with PN532 because it relies on</span>
<a name="l00037"></a>00037 <span class="comment">// its internal handling of ISO14443-4 specificities.</span>
<a name="l00038"></a>00038 <span class="comment">// - Thanks to this internal handling & injection of WTX frames,</span>
<a name="l00039"></a>00039 <span class="comment">// this example works on readers very strict on timing</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor"># include "config.h"</span>
<a name="l00043"></a>00043 <span class="preprocessor">#endif </span><span class="comment">/* HAVE_CONFIG_H */</span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="preprocessor">#include <stdio.h></span>
<a name="l00046"></a>00046 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#include <stdint.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#include <string.h></span>
<a name="l00049"></a>00049 <span class="preprocessor">#include <signal.h></span>
<a name="l00050"></a>00050 <span class="comment">//#include <stddef.h></span>
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="preprocessor">#include <nfc/nfc.h></span>
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="preprocessor">#include <nfc/nfc-messages.h></span>
<a name="l00055"></a>00055 <span class="preprocessor">#include "<a class="code" href="nfc-utils_8h.html" title="Provide some examples shared functions like print, parity calculation, options parsing.">nfc-utils.h</a>"</span>
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="preprocessor">#ifndef _WIN32</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="comment">// Needed by sleep() under Unix</span>
<a name="l00059"></a>00059 <span class="preprocessor"># include <unistd.h></span>
<a name="l00060"></a>00060 <span class="preprocessor"># define sleep sleep</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor"># define SUSP_TIME 1 // secs.</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span><span class="comment">// Needed by Sleep() under Windows</span>
<a name="l00064"></a>00064 <span class="preprocessor"># include "../contrib/windows.h"</span>
<a name="l00065"></a>00065 <span class="preprocessor"># include <winbase.h></span>
<a name="l00066"></a>00066 <span class="preprocessor"># define sleep Sleep</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span><span class="preprocessor"># define SUSP_TIME 1000 // msecs.</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00070"></a>00070 <span class="preprocessor">#define MAX_FRAME_LEN 264</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span><span class="preprocessor">#define MAX_DEVICE_COUNT 2</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span>
<a name="l00073"></a>00073 <span class="keyword">static</span> byte_t abtCapdu[MAX_FRAME_LEN];
<a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keywordtype">size_t</span> szCapduLen;
<a name="l00075"></a>00075 <span class="keyword">static</span> byte_t abtRapdu[MAX_FRAME_LEN];
<a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keywordtype">size_t</span> szRapduLen;
<a name="l00077"></a>00077 <span class="keyword">static</span> <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *pndInitiator;
<a name="l00078"></a>00078 <span class="keyword">static</span> <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *pndTarget;
<a name="l00079"></a>00079 <span class="keyword">static</span> <span class="keywordtype">bool</span> quitting = <span class="keyword">false</span>;
<a name="l00080"></a>00080 <span class="keyword">static</span> <span class="keywordtype">bool</span> quiet_output = <span class="keyword">false</span>;
<a name="l00081"></a>00081 <span class="keyword">static</span> <span class="keywordtype">bool</span> initiator_only_mode = <span class="keyword">false</span>;
<a name="l00082"></a>00082 <span class="keyword">static</span> <span class="keywordtype">bool</span> target_only_mode = <span class="keyword">false</span>;
<a name="l00083"></a>00083 <span class="keyword">static</span> <span class="keywordtype">int</span> waiting_time = 0;
<a name="l00084"></a>00084 FILE * fd3;
<a name="l00085"></a>00085 FILE * fd4;
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keywordtype">void</span>
<a name="l00088"></a>00088 intr_hdlr (<span class="keywordtype">void</span>)
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 printf (<span class="stringliteral">"\nQuitting...\n"</span>);
<a name="l00091"></a>00091 printf (<span class="stringliteral">"Please send a last command to the emulator to quit properly.\n"</span>);
<a name="l00092"></a>00092 quitting = <span class="keyword">true</span>;
<a name="l00093"></a>00093 <span class="keywordflow">return</span>;
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordtype">void</span>
<a name="l00097"></a>00097 print_usage (<span class="keywordtype">char</span> *argv[])
<a name="l00098"></a>00098 {
<a name="l00099"></a>00099 printf (<span class="stringliteral">"Usage: %s [OPTIONS]\n"</span>, argv[0]);
<a name="l00100"></a>00100 printf (<span class="stringliteral">"Options:\n"</span>);
<a name="l00101"></a>00101 printf (<span class="stringliteral">"\t-h\tHelp. Print this message.\n"</span>);
<a name="l00102"></a>00102 printf (<span class="stringliteral">"\t-q\tQuiet mode. Suppress printing of relayed data (improves timing).\n"</span>);
<a name="l00103"></a>00103 printf (<span class="stringliteral">"\t-t\tTarget mode only (the one on reader side). Data expected from FD3 to FD4.\n"</span>);
<a name="l00104"></a>00104 printf (<span class="stringliteral">"\t-i\tInitiator mode only (the one on tag side). Data expected from FD3 to FD4.\n"</span>);
<a name="l00105"></a>00105 printf (<span class="stringliteral">"\t-n N\tAdds a waiting time of N seconds (integer) in the relay to mimic long distance.\n"</span>);
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordtype">bool</span> print_hex_fd4 (<span class="keyword">const</span> byte_t * pbtData, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szBytes, <span class="keyword">const</span> <span class="keywordtype">char</span> * pchPrefix)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 <span class="keywordtype">size_t</span> szPos;
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (szBytes > MAX_FRAME_LEN) {
<a name="l00112"></a>00112 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114 <span class="keywordflow">if</span> (fprintf (fd4, <span class="stringliteral">"#%s %04zx: "</span>, pchPrefix, szBytes)<0) {
<a name="l00115"></a>00115 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keywordflow">for</span> (szPos = 0; szPos < szBytes; szPos++) {
<a name="l00119"></a>00119 <span class="keywordflow">if</span> (fprintf (fd4, <span class="stringliteral">"%02x "</span>, pbtData[szPos])<0) {
<a name="l00120"></a>00120 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 <span class="keywordflow">if</span> (fprintf (fd4, <span class="stringliteral">"\n"</span>)<0) {
<a name="l00124"></a>00124 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 fflush(fd4);
<a name="l00127"></a>00127 <span class="keywordflow">return</span> EXIT_SUCCESS;
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordtype">bool</span> scan_hex_fd3 (byte_t *pbtData, <span class="keywordtype">size_t</span> *pszBytes, <span class="keyword">const</span> <span class="keywordtype">char</span> * pchPrefix)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <span class="keywordtype">size_t</span> szPos;
<a name="l00133"></a>00133 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> uiBytes;
<a name="l00134"></a>00134 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> uiData;
<a name="l00135"></a>00135 <span class="keywordtype">char</span> pchScan[256];
<a name="l00136"></a>00136 <span class="keywordtype">int</span> c;
<a name="l00137"></a>00137 <span class="comment">// Look for our next sync marker</span>
<a name="l00138"></a>00138 <span class="keywordflow">while</span> ( (c=fgetc(fd3)) != <span class="charliteral">'#'</span>) {
<a name="l00139"></a>00139 <span class="keywordflow">if</span> (c == EOF) {
<a name="l00140"></a>00140 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 strncpy(pchScan, pchPrefix, 250);
<a name="l00144"></a>00144 strcat(pchScan, <span class="stringliteral">" %04x:"</span>);
<a name="l00145"></a>00145 <span class="keywordflow">if</span> (fscanf (fd3, pchScan, &uiBytes)<1) {
<a name="l00146"></a>00146 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 *pszBytes=uiBytes;
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (*pszBytes > MAX_FRAME_LEN) {
<a name="l00150"></a>00150 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152 <span class="keywordflow">for</span> (szPos = 0; szPos < *pszBytes; szPos++) {
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (fscanf (fd3, <span class="stringliteral">"%02x"</span>, &uiData)<1) {
<a name="l00154"></a>00154 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 pbtData[szPos]=uiData;
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158 <span class="keywordflow">return</span> EXIT_SUCCESS;
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordtype">int</span>
<a name="l00162"></a>00162 main (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164 <span class="keywordtype">int</span> arg;
<a name="l00165"></a>00165 <span class="keywordtype">size_t</span> szFound;
<a name="l00166"></a>00166 <a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> *pnddDevices;
<a name="l00167"></a>00167 <span class="keyword">const</span> <span class="keywordtype">char</span> *acLibnfcVersion = <a class="code" href="nfc_8c.html#aa48f27c0f93d6508ad9a5ae01ab054d4" title="Returns the library version.">nfc_version</a> ();
<a name="l00168"></a>00168 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> ntRealTarget;
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="comment">// Get commandline options</span>
<a name="l00171"></a>00171 <span class="keywordflow">for</span> (arg = 1; arg < argc; arg++) {
<a name="l00172"></a>00172 <span class="keywordflow">if</span> (0 == strcmp (argv[arg], <span class="stringliteral">"-h"</span>)) {
<a name="l00173"></a>00173 print_usage (argv);
<a name="l00174"></a>00174 <span class="keywordflow">return</span> EXIT_SUCCESS;
<a name="l00175"></a>00175 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == strcmp (argv[arg], <span class="stringliteral">"-q"</span>)) {
<a name="l00176"></a>00176 quiet_output = <span class="keyword">true</span>;
<a name="l00177"></a>00177 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == strcmp (argv[arg], <span class="stringliteral">"-t"</span>)) {
<a name="l00178"></a>00178 printf (<span class="stringliteral">"INFO: %s\n"</span>, <span class="stringliteral">"Target mode only."</span>);
<a name="l00179"></a>00179 initiator_only_mode = <span class="keyword">false</span>;
<a name="l00180"></a>00180 target_only_mode = <span class="keyword">true</span>;
<a name="l00181"></a>00181 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == strcmp (argv[arg], <span class="stringliteral">"-i"</span>)) {
<a name="l00182"></a>00182 printf (<span class="stringliteral">"INFO: %s\n"</span>, <span class="stringliteral">"Initiator mode only."</span>);
<a name="l00183"></a>00183 initiator_only_mode = <span class="keyword">true</span>;
<a name="l00184"></a>00184 target_only_mode = <span class="keyword">false</span>;
<a name="l00185"></a>00185 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == strcmp (argv[arg], <span class="stringliteral">"-n"</span>)) {
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (++arg==argc || (sscanf(argv[arg], <span class="stringliteral">"%i"</span>, &waiting_time)<1)) {
<a name="l00187"></a>00187 ERR (<span class="stringliteral">"Missing or wrong waiting time value: %s."</span>, argv[arg]);
<a name="l00188"></a>00188 print_usage (argv);
<a name="l00189"></a>00189 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 printf (<span class="stringliteral">"Waiting time: %i secs.\n"</span>, waiting_time);
<a name="l00192"></a>00192 } <span class="keywordflow">else</span> {
<a name="l00193"></a>00193 ERR (<span class="stringliteral">"%s is not supported option."</span>, argv[arg]);
<a name="l00194"></a>00194 print_usage (argv);
<a name="l00195"></a>00195 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="comment">// Display libnfc version</span>
<a name="l00200"></a>00200 printf (<span class="stringliteral">"%s use libnfc %s\n"</span>, argv[0], acLibnfcVersion);
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="preprocessor">#ifdef WIN32</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span> signal (SIGINT, (<span class="keywordtype">void</span> (__cdecl *) (<span class="keywordtype">int</span>)) intr_hdlr);
<a name="l00204"></a>00204 <span class="preprocessor">#else</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span> signal (SIGINT, (<span class="keywordtype">void</span> (*)()) intr_hdlr);
<a name="l00206"></a>00206 <span class="preprocessor">#endif</span>
<a name="l00207"></a>00207 <span class="preprocessor"></span>
<a name="l00208"></a>00208 <span class="comment">// Allocate memory to put the result of available devices listing</span>
<a name="l00209"></a>00209 <span class="keywordflow">if</span> (!(pnddDevices = malloc (MAX_DEVICE_COUNT * <span class="keyword">sizeof</span> (*pnddDevices)))) {
<a name="l00210"></a>00210 fprintf (stderr, <span class="stringliteral">"malloc() failed\n"</span>);
<a name="l00211"></a>00211 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213 <span class="comment">// List available devices</span>
<a name="l00214"></a>00214 <a class="code" href="nfc_8c.html#a9073e8bf5089392979b187758f2cd7f9" title="Probe for discoverable supported devices (ie. only available for some drivers)">nfc_list_devices</a> (pnddDevices, MAX_DEVICE_COUNT, &szFound);
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keywordflow">if</span> (initiator_only_mode || target_only_mode) {
<a name="l00217"></a>00217 <span class="keywordflow">if</span> (szFound < 1) {
<a name="l00218"></a>00218 ERR (<span class="stringliteral">"No device found"</span>);
<a name="l00219"></a>00219 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 fd3 = fdopen(3, <span class="stringliteral">"r"</span>);
<a name="l00222"></a>00222 fd4 = fdopen(4, <span class="stringliteral">"w"</span>);
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224 <span class="keywordflow">else</span> {
<a name="l00225"></a>00225 <span class="keywordflow">if</span> (szFound < 2) {
<a name="l00226"></a>00226 ERR (<span class="stringliteral">"%zd device found but two connected devices are needed to relay NFC."</span>, szFound);
<a name="l00227"></a>00227 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keywordflow">if</span> (!target_only_mode) {
<a name="l00232"></a>00232 <span class="comment">// Try to open the NFC reader used as initiator</span>
<a name="l00233"></a>00233 <span class="comment">// Little hack to allow using initiator no matter if</span>
<a name="l00234"></a>00234 <span class="comment">// there is already a target used locally or not on the same machine:</span>
<a name="l00235"></a>00235 <span class="comment">// if there is more than one readers connected we connect to the second reader</span>
<a name="l00236"></a>00236 <span class="comment">// (we hope they're always detected in the same order)</span>
<a name="l00237"></a>00237 <span class="keywordflow">if</span> (szFound == 1) {
<a name="l00238"></a>00238 pndInitiator = <a class="code" href="nfc_8c.html#aff0c2c92d2fc81e5dc93150fc72a7de6" title="Connect to a NFC device.">nfc_connect</a> (&(pnddDevices[0]));
<a name="l00239"></a>00239 } <span class="keywordflow">else</span> {
<a name="l00240"></a>00240 pndInitiator = <a class="code" href="nfc_8c.html#aff0c2c92d2fc81e5dc93150fc72a7de6" title="Connect to a NFC device.">nfc_connect</a> (&(pnddDevices[1]));
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="keywordflow">if</span> (!pndInitiator) {
<a name="l00244"></a>00244 printf (<span class="stringliteral">"Error connecting NFC reader\n"</span>);
<a name="l00245"></a>00245 exit(EXIT_FAILURE);
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247
<a name="l00248"></a>00248 printf (<span class="stringliteral">"Connected to the NFC reader device: %s\n"</span>, pndInitiator-><a class="code" href="structnfc__device__t.html#a3933f0bea196fedca0345a7f940dc85b">acName</a>);
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="comment">// Try to find a ISO 14443-4A tag</span>
<a name="l00251"></a>00251 <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm = {
<a name="l00252"></a>00252 .nmt = NMT_ISO14443A,
<a name="l00253"></a>00253 .nbr = NBR_106,
<a name="l00254"></a>00254 };
<a name="l00255"></a>00255 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#acff0e43e51d7a2c8d750d09fa5265e16" title="Select a passive or emulated tag.">nfc_initiator_select_passive_target</a> (pndInitiator, nm, NULL, 0, &ntRealTarget)) {
<a name="l00256"></a>00256 printf (<span class="stringliteral">"Error: no tag was found\n"</span>);
<a name="l00257"></a>00257 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00258"></a>00258 exit (EXIT_FAILURE);
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260
<a name="l00261"></a>00261 printf(<span class="stringliteral">"Found tag:\n"</span>);
<a name="l00262"></a>00262 print_nfc_iso14443a_info (ntRealTarget.nti.nai, <span class="keyword">false</span>);
<a name="l00263"></a>00263 <span class="keywordflow">if</span> (initiator_only_mode) {
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (print_hex_fd4(ntRealTarget.nti.nai.abtUid, ntRealTarget.nti.nai.szUidLen, <span class="stringliteral">"UID"</span>) != EXIT_SUCCESS) {
<a name="l00265"></a>00265 fprintf (stderr, <span class="stringliteral">"Error while printing UID to FD4\n"</span>);
<a name="l00266"></a>00266 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00267"></a>00267 exit(EXIT_FAILURE);
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269 <span class="keywordflow">if</span> (print_hex_fd4(ntRealTarget.nti.nai.abtAtqa, 2, <span class="stringliteral">"ATQA"</span>) != EXIT_SUCCESS) {
<a name="l00270"></a>00270 fprintf (stderr, <span class="stringliteral">"Error while printing ATQA to FD4\n"</span>);
<a name="l00271"></a>00271 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00272"></a>00272 exit(EXIT_FAILURE);
<a name="l00273"></a>00273 }
<a name="l00274"></a>00274 <span class="keywordflow">if</span> (print_hex_fd4(&(ntRealTarget.nti.nai.btSak), 1, <span class="stringliteral">"SAK"</span>) != EXIT_SUCCESS) {
<a name="l00275"></a>00275 fprintf (stderr, <span class="stringliteral">"Error while printing SAK to FD4\n"</span>);
<a name="l00276"></a>00276 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00277"></a>00277 exit(EXIT_FAILURE);
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279 <span class="keywordflow">if</span> (print_hex_fd4(ntRealTarget.nti.nai.abtAts, ntRealTarget.nti.nai.szAtsLen, <span class="stringliteral">"ATS"</span>) != EXIT_SUCCESS) {
<a name="l00280"></a>00280 fprintf (stderr, <span class="stringliteral">"Error while printing ATS to FD4\n"</span>);
<a name="l00281"></a>00281 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00282"></a>00282 exit(EXIT_FAILURE);
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286 <span class="keywordflow">if</span> (initiator_only_mode) {
<a name="l00287"></a>00287 printf (<span class="stringliteral">"Hint: tag <---> *INITIATOR* (relay) <-FD3/FD4-> target (relay) <---> original reader\n\n"</span>);
<a name="l00288"></a>00288 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (target_only_mode) {
<a name="l00289"></a>00289 printf (<span class="stringliteral">"Hint: tag <---> initiator (relay) <-FD3/FD4-> *TARGET* (relay) <---> original reader\n\n"</span>);
<a name="l00290"></a>00290 } <span class="keywordflow">else</span> {
<a name="l00291"></a>00291 printf (<span class="stringliteral">"Hint: tag <---> initiator (relay) <---> target (relay) <---> original reader\n\n"</span>);
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (!initiator_only_mode) {
<a name="l00294"></a>00294 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> ntEmulatedTarget = {
<a name="l00295"></a>00295 .nm.nmt = NMT_ISO14443A,
<a name="l00296"></a>00296 .nm.nbr = NBR_106,
<a name="l00297"></a>00297 };
<a name="l00298"></a>00298 <span class="keywordflow">if</span> (target_only_mode) {
<a name="l00299"></a>00299 <span class="keywordtype">size_t</span> foo;
<a name="l00300"></a>00300 <span class="keywordflow">if</span> (scan_hex_fd3(ntEmulatedTarget.nti.nai.abtUid, &(ntEmulatedTarget.nti.nai.szUidLen), <span class="stringliteral">"UID"</span>) != EXIT_SUCCESS) {
<a name="l00301"></a>00301 fprintf (stderr, <span class="stringliteral">"Error while scanning UID from FD3\n"</span>);
<a name="l00302"></a>00302 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00303"></a>00303 exit(EXIT_FAILURE);
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305 <span class="keywordflow">if</span> (scan_hex_fd3(ntEmulatedTarget.nti.nai.abtAtqa, &foo, <span class="stringliteral">"ATQA"</span>) != EXIT_SUCCESS) {
<a name="l00306"></a>00306 fprintf (stderr, <span class="stringliteral">"Error while scanning ATQA from FD3\n"</span>);
<a name="l00307"></a>00307 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00308"></a>00308 exit(EXIT_FAILURE);
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (scan_hex_fd3(&(ntEmulatedTarget.nti.nai.btSak), &foo, <span class="stringliteral">"SAK"</span>) != EXIT_SUCCESS) {
<a name="l00311"></a>00311 fprintf (stderr, <span class="stringliteral">"Error while scanning SAK from FD3\n"</span>);
<a name="l00312"></a>00312 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00313"></a>00313 exit(EXIT_FAILURE);
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315 <span class="keywordflow">if</span> (scan_hex_fd3(ntEmulatedTarget.nti.nai.abtAts, &(ntEmulatedTarget.nti.nai.szAtsLen), <span class="stringliteral">"ATS"</span>) != EXIT_SUCCESS) {
<a name="l00316"></a>00316 fprintf (stderr, <span class="stringliteral">"Error while scanning ATS from FD3\n"</span>);
<a name="l00317"></a>00317 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00318"></a>00318 exit(EXIT_FAILURE);
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320 } <span class="keywordflow">else</span> {
<a name="l00321"></a>00321 ntEmulatedTarget.nti = ntRealTarget.nti;
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323 <span class="comment">// We can only emulate a short UID, so fix length & ATQA bit:</span>
<a name="l00324"></a>00324 ntEmulatedTarget.nti.nai.szUidLen = 4;
<a name="l00325"></a>00325 ntEmulatedTarget.nti.nai.abtAtqa[1] &= (0xFF-0x40);
<a name="l00326"></a>00326 <span class="comment">// First byte of UID is always automatically replaced by 0x08 in this mode anyway</span>
<a name="l00327"></a>00327 ntEmulatedTarget.nti.nai.abtUid[0] = 0x08;
<a name="l00328"></a>00328 <span class="comment">// ATS is always automatically replaced by PN532, we've no control on it:</span>
<a name="l00329"></a>00329 <span class="comment">// ATS = (05) 75 33 92 03</span>
<a name="l00330"></a>00330 <span class="comment">// (TL) T0 TA TB TC</span>
<a name="l00331"></a>00331 <span class="comment">// | | | +-- CID supported, NAD supported</span>
<a name="l00332"></a>00332 <span class="comment">// | | +----- FWI=9 SFGI=2 => FWT=154ms, SFGT=1.21ms</span>
<a name="l00333"></a>00333 <span class="comment">// | +-------- DR=2,4 DS=2,4 => supports 106, 212 & 424bps in both directions</span>
<a name="l00334"></a>00334 <span class="comment">// +----------- TA,TB,TC, FSCI=5 => FSC=64</span>
<a name="l00335"></a>00335 <span class="comment">// It seems hazardous to tell we support NAD if the tag doesn't support NAD but I don't know how to disable it</span>
<a name="l00336"></a>00336 <span class="comment">// PC/SC pseudo-ATR = 3B 80 80 01 01 if there is no historical bytes</span>
<a name="l00337"></a>00337
<a name="l00338"></a>00338 <span class="comment">// Creates ATS and copy max 48 bytes of Tk:</span>
<a name="l00339"></a>00339 byte_t * pbtTk;
<a name="l00340"></a>00340 <span class="keywordtype">size_t</span> szTk;
<a name="l00341"></a>00341 pbtTk = iso14443a_locate_historical_bytes (ntEmulatedTarget.nti.nai.abtAts, ntEmulatedTarget.nti.nai.szAtsLen, &szTk);
<a name="l00342"></a>00342 szTk = (szTk > 48) ? 48 : szTk;
<a name="l00343"></a>00343 byte_t pbtTkt[48];
<a name="l00344"></a>00344 memcpy(pbtTkt, pbtTk, szTk);
<a name="l00345"></a>00345 ntEmulatedTarget.nti.nai.abtAts[0] = 0x75;
<a name="l00346"></a>00346 ntEmulatedTarget.nti.nai.abtAts[1] = 0x33;
<a name="l00347"></a>00347 ntEmulatedTarget.nti.nai.abtAts[2] = 0x92;
<a name="l00348"></a>00348 ntEmulatedTarget.nti.nai.abtAts[3] = 0x03;
<a name="l00349"></a>00349 ntEmulatedTarget.nti.nai.szAtsLen = 4 + szTk;
<a name="l00350"></a>00350 memcpy(&(ntEmulatedTarget.nti.nai.abtAts[4]), pbtTkt, szTk);
<a name="l00351"></a>00351
<a name="l00352"></a>00352 printf(<span class="stringliteral">"We will emulate:\n"</span>);
<a name="l00353"></a>00353 print_nfc_iso14443a_info (ntEmulatedTarget.nti.nai, <span class="keyword">false</span>);
<a name="l00354"></a>00354
<a name="l00355"></a>00355 <span class="comment">// Try to open the NFC emulator device</span>
<a name="l00356"></a>00356 pndTarget = <a class="code" href="nfc_8c.html#aff0c2c92d2fc81e5dc93150fc72a7de6" title="Connect to a NFC device.">nfc_connect</a> (&(pnddDevices[0]));
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (pndTarget == NULL) {
<a name="l00358"></a>00358 printf (<span class="stringliteral">"Error connecting NFC emulator device\n"</span>);
<a name="l00359"></a>00359 <span class="keywordflow">if</span> (!target_only_mode) {
<a name="l00360"></a>00360 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364
<a name="l00365"></a>00365 printf (<span class="stringliteral">"Connected to the NFC emulator device: %s\n"</span>, pndTarget-><a class="code" href="structnfc__device__t.html#a3933f0bea196fedca0345a7f940dc85b">acName</a>);
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a2e021479b99fbd60cf5f037b2daa3007" title="Initialize NFC device as an emulated tag.">nfc_target_init</a> (pndTarget, &ntEmulatedTarget, abtCapdu, &szCapduLen)) {
<a name="l00368"></a>00368 ERR (<span class="stringliteral">"%s"</span>, <span class="stringliteral">"Initialization of NFC emulator failed"</span>);
<a name="l00369"></a>00369 <span class="keywordflow">if</span> (!target_only_mode) {
<a name="l00370"></a>00370 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndTarget);
<a name="l00373"></a>00373 exit(EXIT_FAILURE);
<a name="l00374"></a>00374 }
<a name="l00375"></a>00375 printf (<span class="stringliteral">"%s\n"</span>, <span class="stringliteral">"Done, relaying frames now!"</span>);
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377
<a name="l00378"></a>00378
<a name="l00379"></a>00379 <span class="keywordflow">while</span> (!quitting) {
<a name="l00380"></a>00380 <span class="keywordtype">bool</span> ret;
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (!initiator_only_mode) {
<a name="l00382"></a>00382 <span class="comment">// Receive external reader command through target</span>
<a name="l00383"></a>00383 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#aa2f4fac4826ea6a6e428af5e7b68fe4a" title="Receive bytes and APDU frames.">nfc_target_receive_bytes</a>(pndTarget,abtCapdu,&szCapduLen)) {
<a name="l00384"></a>00384 <a class="code" href="nfc_8c.html#a111b9182fc80b309b56009e9c6be7454" title="Display the PCD error a-la perror.">nfc_perror</a> (pndTarget, <span class="stringliteral">"nfc_target_receive_bytes"</span>);
<a name="l00385"></a>00385 <span class="keywordflow">if</span> (!target_only_mode) {
<a name="l00386"></a>00386 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndTarget);
<a name="l00389"></a>00389 exit(EXIT_FAILURE);
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391 <span class="keywordflow">if</span> (target_only_mode) {
<a name="l00392"></a>00392 <span class="keywordflow">if</span> (print_hex_fd4(abtCapdu, szCapduLen, <span class="stringliteral">"C-APDU"</span>) != EXIT_SUCCESS) {
<a name="l00393"></a>00393 fprintf (stderr, <span class="stringliteral">"Error while printing C-APDU to FD4\n"</span>);
<a name="l00394"></a>00394 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndTarget);
<a name="l00395"></a>00395 exit(EXIT_FAILURE);
<a name="l00396"></a>00396 }
<a name="l00397"></a>00397 }
<a name="l00398"></a>00398 } <span class="keywordflow">else</span> {
<a name="l00399"></a>00399 <span class="keywordflow">if</span> (scan_hex_fd3(abtCapdu, &szCapduLen, <span class="stringliteral">"C-APDU"</span>) != EXIT_SUCCESS) {
<a name="l00400"></a>00400 fprintf (stderr, <span class="stringliteral">"Error while scanning C-APDU from FD3\n"</span>);
<a name="l00401"></a>00401 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00402"></a>00402 exit(EXIT_FAILURE);
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405 <span class="comment">// Show transmitted response</span>
<a name="l00406"></a>00406 <span class="keywordflow">if</span> (!quiet_output) {
<a name="l00407"></a>00407 printf (<span class="stringliteral">"Forwarding C-APDU: "</span>);
<a name="l00408"></a>00408 print_hex (abtCapdu, szCapduLen);
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="keywordflow">if</span> (!target_only_mode) {
<a name="l00412"></a>00412 <span class="comment">// Forward the frame to the original tag</span>
<a name="l00413"></a>00413 ret = <a class="code" href="nfc_8c.html#a9e32d7ad73ef60bb198a8f0d36da0890" title="Send data to target then retrieve data from target.">nfc_initiator_transceive_bytes</a>
<a name="l00414"></a>00414 (pndInitiator, abtCapdu, szCapduLen, abtRapdu, &szRapduLen);
<a name="l00415"></a>00415 } <span class="keywordflow">else</span> {
<a name="l00416"></a>00416 <span class="keywordflow">if</span> (scan_hex_fd3(abtRapdu, &szRapduLen, <span class="stringliteral">"R-APDU"</span>) != EXIT_SUCCESS) {
<a name="l00417"></a>00417 fprintf (stderr, <span class="stringliteral">"Error while scanning R-APDU from FD3\n"</span>);
<a name="l00418"></a>00418 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndTarget);
<a name="l00419"></a>00419 exit(EXIT_FAILURE);
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 ret = <span class="keyword">true</span>;
<a name="l00422"></a>00422 }
<a name="l00423"></a>00423 <span class="keywordflow">if</span> (ret) {
<a name="l00424"></a>00424 <span class="comment">// Redirect the answer back to the external reader</span>
<a name="l00425"></a>00425 <span class="keywordflow">if</span> (waiting_time > 0) {
<a name="l00426"></a>00426 <span class="keywordflow">if</span> (!quiet_output) {
<a name="l00427"></a>00427 printf (<span class="stringliteral">"Waiting %is to simulate longer relay...\n"</span>, waiting_time);
<a name="l00428"></a>00428 }
<a name="l00429"></a>00429 sleep(waiting_time * SUSP_TIME);
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431 <span class="comment">// Show transmitted response</span>
<a name="l00432"></a>00432 <span class="keywordflow">if</span> (!quiet_output) {
<a name="l00433"></a>00433 printf (<span class="stringliteral">"Forwarding R-APDU: "</span>);
<a name="l00434"></a>00434 print_hex (abtRapdu, szRapduLen);
<a name="l00435"></a>00435 }
<a name="l00436"></a>00436 <span class="keywordflow">if</span> (!initiator_only_mode) {
<a name="l00437"></a>00437 <span class="comment">// Transmit the response bytes</span>
<a name="l00438"></a>00438 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#af75f631996a44331f8b2e6ea9e56585d" title="Send bytes and APDU frames.">nfc_target_send_bytes</a>(pndTarget, abtRapdu, szRapduLen)) {
<a name="l00439"></a>00439 <a class="code" href="nfc_8c.html#a111b9182fc80b309b56009e9c6be7454" title="Display the PCD error a-la perror.">nfc_perror</a> (pndTarget, <span class="stringliteral">"nfc_target_send_bytes"</span>);
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (!target_only_mode) {
<a name="l00441"></a>00441 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443 <span class="keywordflow">if</span> (!initiator_only_mode) {
<a name="l00444"></a>00444 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndTarget);
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446 exit(EXIT_FAILURE);
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448 } <span class="keywordflow">else</span> {
<a name="l00449"></a>00449 <span class="keywordflow">if</span> (print_hex_fd4(abtRapdu, szRapduLen, <span class="stringliteral">"R-APDU"</span>) != EXIT_SUCCESS) {
<a name="l00450"></a>00450 fprintf (stderr, <span class="stringliteral">"Error while printing R-APDU to FD4\n"</span>);
<a name="l00451"></a>00451 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00452"></a>00452 exit(EXIT_FAILURE);
<a name="l00453"></a>00453 }
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455 }
<a name="l00456"></a>00456 }
<a name="l00457"></a>00457
<a name="l00458"></a>00458 <span class="keywordflow">if</span> (!target_only_mode) {
<a name="l00459"></a>00459 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndInitiator);
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461 <span class="keywordflow">if</span> (!initiator_only_mode) {
<a name="l00462"></a>00462 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (pndTarget);
<a name="l00463"></a>00463 }
<a name="l00464"></a>00464 exit (EXIT_SUCCESS);
<a name="l00465"></a>00465 }
<a name="l00466"></a>00466
</pre></div></div>
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