<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>libnfc: pn53x-tamashell.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libnfc <span id="projectnumber">1.4.2</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_e1066e20c97c3d492c10ec6dd00ee654.html">examples</a> </li> </ul> </div> </div> <div class="header"> <div class="headertitle"> <h1>pn53x-tamashell.c</h1> </div> </div> <div class="contents"> <a href="pn53x-tamashell_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="preprocessor">#ifdef HAVE_CONFIG_H</span> <a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor"># include "config.h"</span> <a name="l00037"></a>00037 <span class="preprocessor">#endif // HAVE_CONFIG_H</span> <a name="l00038"></a>00038 <span class="preprocessor"></span> <a name="l00039"></a>00039 <span class="preprocessor"># define _GNU_SOURCE // for getline on system with glibc < 2.10</span> <a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor"># define _POSIX_C_SOURCE 200809L // for getline on system with glibc >= 2.10</span> <a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor"># include <stdio.h></span> <a name="l00042"></a>00042 <span class="preprocessor">#if defined(HAVE_READLINE)</span> <a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor"># include <readline/readline.h></span> <a name="l00044"></a>00044 <span class="preprocessor"># include <readline/history.h></span> <a name="l00045"></a>00045 <span class="preprocessor">#endif //HAVE_READLINE</span> <a name="l00046"></a>00046 <span class="preprocessor"></span> <a name="l00047"></a>00047 <span class="preprocessor">#include <stdlib.h></span> <a name="l00048"></a>00048 <span class="preprocessor">#include <string.h></span> <a name="l00049"></a>00049 <span class="preprocessor">#include <ctype.h></span> <a name="l00050"></a>00050 <span class="preprocessor">#include <unistd.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 <span class="preprocessor">#include <nfc/nfc-messages.h></span> <a name="l00054"></a>00054 <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">#include "chips/pn53x.h"</span> <a name="l00058"></a>00058 <a name="l00059"></a>00059 <span class="preprocessor">#define MAX_FRAME_LEN 264</span> <a name="l00060"></a>00060 <span class="preprocessor"></span> <a name="l00061"></a>00061 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[]) <a name="l00062"></a>00062 { <a name="l00063"></a>00063 <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a>* pnd; <a name="l00064"></a>00064 byte_t abtRx[MAX_FRAME_LEN]; <a name="l00065"></a>00065 byte_t abtTx[MAX_FRAME_LEN] = { 0xD4 }; <a name="l00066"></a>00066 <span class="keywordtype">size_t</span> szRx; <a name="l00067"></a>00067 <span class="keywordtype">size_t</span> szTx; <a name="l00068"></a>00068 <span class="keyword">extern</span> FILE* stdin; <a name="l00069"></a>00069 FILE* input = NULL; <a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="keywordflow">if</span> (argc >= 2) { <a name="l00072"></a>00072 <span class="keywordflow">if</span>((input=fopen(argv[1], <span class="stringliteral">"r"</span>))==NULL) { <a name="l00073"></a>00073 ERR (<span class="stringliteral">"%s"</span>, <span class="stringliteral">"Cannot open file."</span>); <a name="l00074"></a>00074 <span class="keywordflow">return</span> EXIT_FAILURE; <a name="l00075"></a>00075 } <a name="l00076"></a>00076 } <a name="l00077"></a>00077 <a name="l00078"></a>00078 <span class="comment">// Try to open the NFC reader</span> <a name="l00079"></a>00079 pnd = <a class="code" href="nfc_8c.html#aff0c2c92d2fc81e5dc93150fc72a7de6" title="Connect to a NFC device.">nfc_connect</a>(NULL); <a name="l00080"></a>00080 <a name="l00081"></a>00081 <span class="keywordflow">if</span> (pnd == NULL) { <a name="l00082"></a>00082 ERR (<span class="stringliteral">"%s"</span>, <span class="stringliteral">"Unable to connect to NFC device."</span>); <a name="l00083"></a>00083 <span class="keywordflow">return</span> EXIT_FAILURE; <a name="l00084"></a>00084 } <a name="l00085"></a>00085 <a name="l00086"></a>00086 printf (<span class="stringliteral">"Connected to NFC reader: %s\n"</span>, pnd-><a class="code" href="structnfc__device__t.html#a3933f0bea196fedca0345a7f940dc85b">acName</a>); <a name="l00087"></a>00087 <a class="code" href="nfc_8c.html#a1c05aadcf1b30e8d69969dfd74a793f2" title="Initialize NFC device as initiator (reader)">nfc_initiator_init</a>(pnd); <a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="keywordtype">char</span> * cmd; <a name="l00090"></a>00090 <span class="keywordtype">char</span> * prompt=<span class="stringliteral">"> "</span>; <a name="l00091"></a>00091 <span class="keywordflow">while</span>(1) { <a name="l00092"></a>00092 <span class="keywordtype">int</span> offset=0; <a name="l00093"></a>00093 <span class="preprocessor">#if defined(HAVE_READLINE)</span> <a name="l00094"></a>00094 <span class="preprocessor"></span> <span class="keywordflow">if</span> (input==NULL) { <span class="comment">// means we use stdin</span> <a name="l00095"></a>00095 cmd=readline(prompt); <a name="l00096"></a>00096 <span class="comment">// NULL if ctrl-d</span> <a name="l00097"></a>00097 <span class="keywordflow">if</span> (cmd==NULL) { <a name="l00098"></a>00098 printf(<span class="stringliteral">"Bye!\n"</span>); <a name="l00099"></a>00099 <span class="keywordflow">break</span>; <a name="l00100"></a>00100 } <a name="l00101"></a>00101 add_history(cmd); <a name="l00102"></a>00102 } <span class="keywordflow">else</span> { <a name="l00103"></a>00103 <span class="preprocessor">#endif //HAVE_READLINE</span> <a name="l00104"></a>00104 <span class="preprocessor"></span> <span class="keywordtype">size_t</span> n = 255; <a name="l00105"></a>00105 <span class="keywordtype">char</span> * ret = NULL; <a name="l00106"></a>00106 cmd = malloc(n); <a name="l00107"></a>00107 printf(<span class="stringliteral">"%s"</span>, prompt); <a name="l00108"></a>00108 fflush(0); <a name="l00109"></a>00109 <span class="keywordflow">if</span> (input != NULL) { <a name="l00110"></a>00110 ret = fgets(cmd, n, input); <a name="l00111"></a>00111 } <span class="keywordflow">else</span> { <a name="l00112"></a>00112 ret = fgets(cmd, n, stdin); <a name="l00113"></a>00113 } <a name="l00114"></a>00114 <span class="keywordflow">if</span> (ret == NULL || strlen(cmd) <= 0) { <a name="l00115"></a>00115 printf(<span class="stringliteral">"Bye!\n"</span>); <a name="l00116"></a>00116 free(cmd); <a name="l00117"></a>00117 <span class="keywordflow">break</span>; <a name="l00118"></a>00118 } <a name="l00119"></a>00119 <span class="comment">// FIXME print only if read from redirected stdin (i.e. script)</span> <a name="l00120"></a>00120 printf(<span class="stringliteral">"%s"</span>, cmd); <a name="l00121"></a>00121 <span class="preprocessor">#if defined(HAVE_READLINE)</span> <a name="l00122"></a>00122 <span class="preprocessor"></span> } <a name="l00123"></a>00123 <span class="preprocessor">#endif //HAVE_READLINE</span> <a name="l00124"></a>00124 <span class="preprocessor"></span> <span class="keywordflow">if</span> (cmd[0]==<span class="charliteral">'q'</span>) { <a name="l00125"></a>00125 printf(<span class="stringliteral">"Bye!\n"</span>); <a name="l00126"></a>00126 free(cmd); <a name="l00127"></a>00127 <span class="keywordflow">break</span>; <a name="l00128"></a>00128 } <a name="l00129"></a>00129 <span class="keywordflow">if</span> (cmd[0]==<span class="charliteral">'p'</span>) { <a name="l00130"></a>00130 <span class="keywordtype">int</span> s=0; <a name="l00131"></a>00131 offset++; <a name="l00132"></a>00132 <span class="keywordflow">while</span> (isspace(cmd[offset])) { <a name="l00133"></a>00133 offset++; <a name="l00134"></a>00134 } <a name="l00135"></a>00135 sscanf(cmd+offset, <span class="stringliteral">"%u"</span>, &s); <a name="l00136"></a>00136 printf(<span class="stringliteral">"Pause for %i secs\n"</span>, s); <a name="l00137"></a>00137 <span class="keywordflow">if</span> (s>0) { <a name="l00138"></a>00138 sleep(s); <a name="l00139"></a>00139 } <a name="l00140"></a>00140 free(cmd); <a name="l00141"></a>00141 <span class="keywordflow">continue</span>; <a name="l00142"></a>00142 } <a name="l00143"></a>00143 szTx = 0; <a name="l00144"></a>00144 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i<MAX_FRAME_LEN-10; i++) { <a name="l00145"></a>00145 <span class="keywordtype">int</span> size; <a name="l00146"></a>00146 byte_t byte; <a name="l00147"></a>00147 <span class="keywordflow">while</span> (isspace(cmd[offset])) { <a name="l00148"></a>00148 offset++; <a name="l00149"></a>00149 } <a name="l00150"></a>00150 size = sscanf(cmd+offset, <span class="stringliteral">"%2x"</span>, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*)&byte); <a name="l00151"></a>00151 <span class="keywordflow">if</span> (size<1) { <a name="l00152"></a>00152 <span class="keywordflow">break</span>; <a name="l00153"></a>00153 } <a name="l00154"></a>00154 abtTx[i+1] = byte; <a name="l00155"></a>00155 szTx++; <a name="l00156"></a>00156 <span class="keywordflow">if</span> (cmd[offset+1] == 0) { <span class="comment">// if last hex was only 1 symbol</span> <a name="l00157"></a>00157 <span class="keywordflow">break</span>; <a name="l00158"></a>00158 } <a name="l00159"></a>00159 offset += 2; <a name="l00160"></a>00160 } <a name="l00161"></a>00161 <a name="l00162"></a>00162 <span class="keywordflow">if</span> ((<span class="keywordtype">int</span>)szTx < 1) { <a name="l00163"></a>00163 free(cmd); <a name="l00164"></a>00164 <span class="keywordflow">continue</span>; <a name="l00165"></a>00165 } <a name="l00166"></a>00166 szTx++; <a name="l00167"></a>00167 printf(<span class="stringliteral">"Tx: "</span>); <a name="l00168"></a>00168 print_hex((byte_t*)abtTx+1,szTx-1); <a name="l00169"></a>00169 <a name="l00170"></a>00170 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtTx, szTx, abtRx, &szRx)) { <a name="l00171"></a>00171 free(cmd); <a name="l00172"></a>00172 <a class="code" href="nfc_8c.html#a111b9182fc80b309b56009e9c6be7454" title="Display the PCD error a-la perror.">nfc_perror</a> (pnd, <span class="stringliteral">"Rx"</span>); <a name="l00173"></a>00173 <span class="keywordflow">continue</span>; <a name="l00174"></a>00174 } <a name="l00175"></a>00175 <a name="l00176"></a>00176 printf(<span class="stringliteral">"Rx: "</span>); <a name="l00177"></a>00177 print_hex(abtRx, szRx); <a name="l00178"></a>00178 free(cmd); <a name="l00179"></a>00179 } <a name="l00180"></a>00180 <a name="l00181"></a>00181 <span class="keywordflow">if</span> (input != NULL) { <a name="l00182"></a>00182 fclose(input); <a name="l00183"></a>00183 } <a name="l00184"></a>00184 <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a>(pnd); <a name="l00185"></a>00185 <span class="keywordflow">return</span> 1; <a name="l00186"></a>00186 } </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated on Wed Feb 23 2011 for libnfc by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>