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<h1>nfc.c</h1> </div>
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<a href="nfc_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</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2009, Roel Verdult, Romuald Conty</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2010, Roel Verdult, Romuald Conty, Romain Tartière</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * This program is free software: you can redistribute it and/or modify it</span>
<a name="l00008"></a>00008 <span class="comment"> * under the terms of the GNU Lesser General Public License as published by the</span>
<a name="l00009"></a>00009 <span class="comment"> * Free Software Foundation, either version 3 of the License, or (at your</span>
<a name="l00010"></a>00010 <span class="comment"> * option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * This program is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00013"></a>00013 <span class="comment"> * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00014"></a>00014 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for</span>
<a name="l00015"></a>00015 <span class="comment"> * more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with this program. If not, see <http://www.gnu.org/licenses/></span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00026"></a>00026 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor"># include "config.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#endif // HAVE_CONFIG_H</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <stdio.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <stddef.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <string.h></span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#include <nfc/nfc.h></span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="preprocessor">#ifdef _WIN32</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor"># include "../contrib/windows.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#endif</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="chips_8h.html" title="NFC chips header.">chips.h</a>"</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "<a class="code" href="drivers_8h.html" title="Supported drivers header.">drivers.h</a>"</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="preprocessor">#include <nfc/nfc-messages.h></span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> *<a class="code" href="nfc_8c.html#a8cb14410a2636f8f61cbf174c05e1d78" title="Probe for the first discoverable supported devices (ie. only available for some drivers)">nfc_pick_device</a> (<span class="keywordtype">void</span>);
<a name="l00047"></a>00047
<a name="l00070"></a>00070 <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *
<a name="l00071"></a><a class="code" href="nfc_8h.html#a031b6ed9303b80591710e4ccfac6d323">00071</a> <a class="code" href="nfc_8c.html#aff0c2c92d2fc81e5dc93150fc72a7de6" title="Connect to a NFC device.">nfc_connect</a> (<a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> * pndd)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *pnd = NULL;
<a name="l00074"></a>00074 uint32_t uiDriver;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="comment">// Search through the device list for an available device</span>
<a name="l00077"></a>00077 <span class="keywordflow">for</span> (uiDriver = 0; uiDriver < <span class="keyword">sizeof</span> (drivers_callbacks_list) / <span class="keyword">sizeof</span> (drivers_callbacks_list[0]); uiDriver++) {
<a name="l00078"></a>00078 <span class="keywordflow">if</span> (pndd == NULL) {
<a name="l00079"></a>00079 <span class="comment">// No device description specified: try to automatically claim a device</span>
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (drivers_callbacks_list[uiDriver].pick_device != NULL) {
<a name="l00081"></a>00081 DBG (<span class="stringliteral">"Autodetecting available devices using %s driver."</span>, drivers_callbacks_list[uiDriver].acDriver);
<a name="l00082"></a>00082 pndd = drivers_callbacks_list[uiDriver].pick_device ();
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (pndd != NULL) {
<a name="l00085"></a>00085 DBG (<span class="stringliteral">"Auto-connecting to %s using %s driver"</span>, pndd-><a class="code" href="structnfc__device__desc__t.html#a4ef2a14ef0b858ee15f40feba9270df0">acDevice</a>, drivers_callbacks_list[uiDriver].acDriver);
<a name="l00086"></a>00086 pnd = drivers_callbacks_list[uiDriver].connect (pndd);
<a name="l00087"></a>00087 <span class="keywordflow">if</span> (pnd == NULL) {
<a name="l00088"></a>00088 DBG (<span class="stringliteral">"No device available using %s driver"</span>, drivers_callbacks_list[uiDriver].acDriver);
<a name="l00089"></a>00089 pndd = NULL;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 free (pndd);
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095 } <span class="keywordflow">else</span> {
<a name="l00096"></a>00096 <span class="comment">// Specific device is requested: using device description pndd</span>
<a name="l00097"></a>00097 <span class="keywordflow">if</span> (0 != strcmp (drivers_callbacks_list[uiDriver].acDriver, pndd-><a class="code" href="structnfc__device__desc__t.html#abbe6b78fa97f57c5a240317a34a990bd">pcDriver</a>)) {
<a name="l00098"></a>00098 <span class="keywordflow">continue</span>;
<a name="l00099"></a>00099 } <span class="keywordflow">else</span> {
<a name="l00100"></a>00100 pnd = drivers_callbacks_list[uiDriver].connect (pndd);
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="comment">// Test if the connection was successful</span>
<a name="l00105"></a>00105 <span class="keywordflow">if</span> (pnd != NULL) {
<a name="l00106"></a>00106 DBG (<span class="stringliteral">"[%s] has been claimed."</span>, pnd-><a class="code" href="structnfc__device__t.html#a3933f0bea196fedca0345a7f940dc85b">acName</a>);
<a name="l00107"></a>00107 <span class="comment">// Great we have claimed a device</span>
<a name="l00108"></a>00108 pnd-><a class="code" href="structnfc__device__t.html#ad0a5bc20d415e037233d637817234a64">pdc</a> = &(drivers_callbacks_list[uiDriver]);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="comment">// TODO: Put this pn53x related in driver_init()</span>
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (!pn53x_init (pnd))
<a name="l00112"></a>00112 <span class="keywordflow">return</span> NULL;
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ad0a5bc20d415e037233d637817234a64">pdc</a>-><a class="code" href="structdriver__callbacks.html#adc93f0e4f5f4894573a0217cf8131773">init</a>) {
<a name="l00115"></a>00115 pnd-><a class="code" href="structnfc__device__t.html#ad0a5bc20d415e037233d637817234a64">pdc</a>-><a class="code" href="structdriver__callbacks.html#adc93f0e4f5f4894573a0217cf8131773">init</a> (pnd);
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">// Set default configuration options</span>
<a name="l00119"></a>00119 <span class="comment">// Make sure we reset the CRC and parity to chip handling.</span>
<a name="l00120"></a>00120 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea34588e4870fcc10476151e27e8e97a74">NDO_HANDLE_CRC</a>, <span class="keyword">true</span>))
<a name="l00121"></a>00121 <span class="keywordflow">return</span> NULL;
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea7c1f6097b2d2a1670f580de332c41596">NDO_HANDLE_PARITY</a>, <span class="keyword">true</span>))
<a name="l00123"></a>00123 <span class="keywordflow">return</span> NULL;
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="comment">// Deactivate the CRYPTO1 cipher, it may could cause problems when still active</span>
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea7727d8aca77883ad234319a75994c8f5">NDO_ACTIVATE_CRYPTO1</a>, <span class="keyword">false</span>))
<a name="l00127"></a>00127 <span class="keywordflow">return</span> NULL;
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="comment">// Activate "easy framing" feature by default</span>
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311eabb3413ff22c634f90298444e0fffed5f">NDO_EASY_FRAMING</a>, <span class="keyword">true</span>))
<a name="l00131"></a>00131 <span class="keywordflow">return</span> NULL;
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="comment">// Activate auto ISO14443-4 switching by default</span>
<a name="l00134"></a>00134 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311eae40c8c9da1c2e8d123948e03374a1c0c">NDO_AUTO_ISO14443_4</a>, <span class="keyword">true</span>))
<a name="l00135"></a>00135 <span class="keywordflow">return</span> NULL;
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">// Disallow invalid frame</span>
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311eaf11f5510dd7430ca8a1b7fe58c67273b">NDO_ACCEPT_INVALID_FRAMES</a>, <span class="keyword">false</span>))
<a name="l00139"></a>00139 <span class="keywordflow">return</span> NULL;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="comment">// Disallow multiple frames</span>
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea56833a5b8feb00e4d17a33c399fa7de6">NDO_ACCEPT_MULTIPLE_FRAMES</a>, <span class="keyword">false</span>))
<a name="l00143"></a>00143 <span class="keywordflow">return</span> NULL;
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="keywordflow">return</span> pnd;
<a name="l00146"></a>00146 } <span class="keywordflow">else</span> {
<a name="l00147"></a>00147 DBG (<span class="stringliteral">"No device found using driver: %s"</span>, drivers_callbacks_list[uiDriver].acDriver);
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 <span class="comment">// Too bad, no reader is ready to be claimed</span>
<a name="l00151"></a>00151 <span class="keywordflow">return</span> NULL;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00160"></a>00160 <span class="keywordtype">void</span>
<a name="l00161"></a><a class="code" href="nfc_8h.html#ab2e652f3b35ab0c885b7cfdc71c6358f">00161</a> <a class="code" href="nfc_8c.html#a442dc68878c3a0bb7e3293c8fd96afb0" title="Disconnect from a NFC device.">nfc_disconnect</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 <span class="keywordflow">if</span> (pnd) {
<a name="l00164"></a>00164 <span class="comment">// Release and deselect all active communications</span>
<a name="l00165"></a>00165 nfc_initiator_deselect_target (pnd);
<a name="l00166"></a>00166 <span class="comment">// Disable RF field to avoid heating</span>
<a name="l00167"></a>00167 <a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea932832c243c9448924de6e21aa622d07">NDO_ACTIVATE_FIELD</a>, <span class="keyword">false</span>);
<a name="l00168"></a>00168 <span class="comment">// Disconnect, clean up and release the device </span>
<a name="l00169"></a>00169 pnd-><a class="code" href="structnfc__device__t.html#ad0a5bc20d415e037233d637817234a64">pdc</a>-><a class="code" href="structdriver__callbacks.html#a1ba3c0c1ccf8312a3cd88afec89b00b9">disconnect</a> (pnd);
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00177"></a>00177 <a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> *
<a name="l00178"></a><a class="code" href="nfc_8c.html#a8cb14410a2636f8f61cbf174c05e1d78">00178</a> <a class="code" href="nfc_8c.html#a8cb14410a2636f8f61cbf174c05e1d78" title="Probe for the first discoverable supported devices (ie. only available for some drivers)">nfc_pick_device</a> (<span class="keywordtype">void</span>)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 uint32_t uiDriver;
<a name="l00181"></a>00181 <a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> *nddRes;
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="keywordflow">for</span> (uiDriver = 0; uiDriver < <span class="keyword">sizeof</span> (drivers_callbacks_list) / <span class="keyword">sizeof</span> (drivers_callbacks_list[0]); uiDriver++) {
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (drivers_callbacks_list[uiDriver].pick_device != NULL) {
<a name="l00185"></a>00185 nddRes = drivers_callbacks_list[uiDriver].pick_device ();
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (nddRes != NULL)
<a name="l00187"></a>00187 <span class="keywordflow">return</span> nddRes;
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="keywordflow">return</span> NULL;
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00200"></a>00200 <span class="keywordtype">void</span>
<a name="l00201"></a><a class="code" href="nfc_8h.html#a9f6fe7975de2f224072cd172cc78fc3d">00201</a> <a class="code" href="nfc_8c.html#a9073e8bf5089392979b187758f2cd7f9" title="Probe for discoverable supported devices (ie. only available for some drivers)">nfc_list_devices</a> (<a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> pnddDevices[], <span class="keywordtype">size_t</span> szDevices, <span class="keywordtype">size_t</span> * pszDeviceFound)
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 uint32_t uiDriver;
<a name="l00204"></a>00204 <span class="keywordtype">size_t</span> szN;
<a name="l00205"></a>00205
<a name="l00206"></a>00206 *pszDeviceFound = 0;
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="keywordflow">for</span> (uiDriver = 0; uiDriver < <span class="keyword">sizeof</span> (drivers_callbacks_list) / <span class="keyword">sizeof</span> (drivers_callbacks_list[0]); uiDriver++) {
<a name="l00209"></a>00209 <span class="keywordflow">if</span> (drivers_callbacks_list[uiDriver].list_devices != NULL) {
<a name="l00210"></a>00210 szN = 0;
<a name="l00211"></a>00211 <span class="keywordflow">if</span> (drivers_callbacks_list[uiDriver].list_devices
<a name="l00212"></a>00212 (pnddDevices + (*pszDeviceFound), szDevices - (*pszDeviceFound), &szN)) {
<a name="l00213"></a>00213 *pszDeviceFound += szN;
<a name="l00214"></a>00214 DBG (<span class="stringliteral">"%ld device(s) found using %s driver"</span>, (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) szN, drivers_callbacks_list[uiDriver].acDriver);
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216 } <span class="keywordflow">else</span> {
<a name="l00217"></a>00217 DBG (<span class="stringliteral">"No listing function avaible for %s driver"</span>, drivers_callbacks_list[uiDriver].acDriver);
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00234"></a>00234 <span class="keywordtype">bool</span>
<a name="l00235"></a><a class="code" href="nfc_8h.html#a793825dc0fdd1c3c1c5ba683957fbf36">00235</a> <a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311e" title="NFC device option.">nfc_device_option_t</a> ndo, <span class="keyword">const</span> <span class="keywordtype">bool</span> bEnable)
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="keywordflow">return</span> pn53x_configure (pnd, ndo, bEnable);
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241
<a name="l00251"></a>00251 <span class="keywordtype">bool</span>
<a name="l00252"></a><a class="code" href="nfc_8h.html#a9dbf9a23e9993437e49c33841c4ebde5">00252</a> <a class="code" href="nfc_8c.html#a1c05aadcf1b30e8d69969dfd74a793f2" title="Initialize NFC device as initiator (reader)">nfc_initiator_init</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd)
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="comment">// Make sure we are dealing with a active device</span>
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ae89fdb258019e1c68073c31acc8a1367">bActive</a>)
<a name="l00258"></a>00258 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="comment">// Set the PN53X to force 100% ASK Modified miller decoding (default for 14443A cards)</span>
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_TX_AUTO, SYMBOL_FORCE_100_ASK, 0x40))
<a name="l00262"></a>00262 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="comment">// Configure the PN53X to be an Initiator or Reader/Writer</span>
<a name="l00265"></a>00265 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_CONTROL, SYMBOL_INITIATOR, 0x10))
<a name="l00266"></a>00266 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270
<a name="l00291"></a>00291 <span class="keywordtype">bool</span>
<a name="l00292"></a><a class="code" href="nfc_8h.html#a54b9ccec2cc5fdc4c0f3914230508c4b">00292</a> <a class="code" href="nfc_8c.html#acff0e43e51d7a2c8d750d09fa5265e16" title="Select a passive or emulated tag.">nfc_initiator_select_passive_target</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00293"></a>00293 <span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm,
<a name="l00294"></a>00294 <span class="keyword">const</span> byte_t * pbtInitData, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szInitData,
<a name="l00295"></a>00295 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> * pnt)
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297 byte_t abtInit[MAX_FRAME_LEN];
<a name="l00298"></a>00298 <span class="keywordtype">size_t</span> szInit;
<a name="l00299"></a>00299
<a name="l00300"></a>00300 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="comment">// Make sure we are dealing with a active device</span>
<a name="l00303"></a>00303 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ae89fdb258019e1c68073c31acc8a1367">bActive</a>)
<a name="l00304"></a>00304 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00305"></a>00305 <span class="comment">// TODO Put this in a function: this part is defined by ISO14443-3 (UID and Cascade levels)</span>
<a name="l00306"></a>00306 <span class="keywordflow">switch</span> (nm.nmt) {
<a name="l00307"></a>00307 <span class="keywordflow">case</span> NMT_ISO14443A:
<a name="l00308"></a>00308 <span class="keywordflow">switch</span> (szInitData) {
<a name="l00309"></a>00309 <span class="keywordflow">case</span> 7:
<a name="l00310"></a>00310 abtInit[0] = 0x88;
<a name="l00311"></a>00311 memcpy (abtInit + 1, pbtInitData, 7);
<a name="l00312"></a>00312 szInit = 8;
<a name="l00313"></a>00313 <span class="keywordflow">break</span>;
<a name="l00314"></a>00314
<a name="l00315"></a>00315 <span class="keywordflow">case</span> 10:
<a name="l00316"></a>00316 abtInit[0] = 0x88;
<a name="l00317"></a>00317 memcpy (abtInit + 1, pbtInitData, 3);
<a name="l00318"></a>00318 abtInit[4] = 0x88;
<a name="l00319"></a>00319 memcpy (abtInit + 5, pbtInitData + 3, 7);
<a name="l00320"></a>00320 szInit = 12;
<a name="l00321"></a>00321 <span class="keywordflow">break</span>;
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <span class="keywordflow">case</span> 4:
<a name="l00324"></a>00324 <span class="keywordflow">default</span>:
<a name="l00325"></a>00325 memcpy (abtInit, pbtInitData, szInitData);
<a name="l00326"></a>00326 szInit = szInitData;
<a name="l00327"></a>00327 <span class="keywordflow">break</span>;
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 <span class="keywordflow">break</span>;
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordflow">default</span>:
<a name="l00332"></a>00332 memcpy (abtInit, pbtInitData, szInitData);
<a name="l00333"></a>00333 szInit = szInitData;
<a name="l00334"></a>00334 <span class="keywordflow">break</span>;
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336
<a name="l00337"></a>00337 <span class="keywordflow">return</span> pn53x_initiator_select_passive_target (pnd, nm, abtInit, szInit, pnt);
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00357"></a>00357 <span class="keywordtype">bool</span>
<a name="l00358"></a><a class="code" href="nfc_8h.html#a5617a81572ba89a312be38be9ddbeaad">00358</a> <a class="code" href="nfc_8c.html#ab025cffb3ee8e67beea7accea97ede16" title="List passive or emulated tags.">nfc_initiator_list_passive_targets</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00359"></a>00359 <span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm,
<a name="l00360"></a>00360 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> ant[], <span class="keyword">const</span> <span class="keywordtype">size_t</span> szTargets, <span class="keywordtype">size_t</span> * pszTargetFound)
<a name="l00361"></a>00361 {
<a name="l00362"></a>00362 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> nt;
<a name="l00363"></a>00363 <span class="keywordtype">size_t</span> szTargetFound = 0;
<a name="l00364"></a>00364 byte_t *pbtInitData = NULL;
<a name="l00365"></a>00365 <span class="keywordtype">size_t</span> szInitDataLen = 0;
<a name="l00366"></a>00366
<a name="l00367"></a>00367 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00368"></a>00368
<a name="l00369"></a>00369 <span class="comment">// Drop the field for a while</span>
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea932832c243c9448924de6e21aa622d07">NDO_ACTIVATE_FIELD</a>, <span class="keyword">false</span>)) {
<a name="l00371"></a>00371 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00372"></a>00372 }
<a name="l00373"></a>00373 <span class="comment">// Let the reader only try once to find a tag</span>
<a name="l00374"></a>00374 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ead179fd877ff1ba540f0425fa3547825d">NDO_INFINITE_SELECT</a>, <span class="keyword">false</span>)) {
<a name="l00375"></a>00375 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377 <span class="comment">// Enable field so more power consuming cards can power themselves up</span>
<a name="l00378"></a>00378 <span class="keywordflow">if</span> (!<a class="code" href="nfc_8c.html#a6cd940508b34b99c6c94173f8300d069" title="Configure advanced NFC device settings.">nfc_configure</a> (pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea932832c243c9448924de6e21aa622d07">NDO_ACTIVATE_FIELD</a>, <span class="keyword">true</span>)) {
<a name="l00379"></a>00379 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <span class="keywordflow">switch</span> (nm.nmt) {
<a name="l00383"></a>00383 <span class="keywordflow">case</span> NMT_ISO14443B: {
<a name="l00384"></a>00384 <span class="comment">// Application Family Identifier (AFI) must equals 0x00 in order to wakeup all ISO14443-B PICCs (see ISO/IEC 14443-3)</span>
<a name="l00385"></a>00385 pbtInitData = (byte_t *) <span class="stringliteral">"\x00"</span>;
<a name="l00386"></a>00386 szInitDataLen = 1;
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388 <span class="keywordflow">break</span>;
<a name="l00389"></a>00389 <span class="keywordflow">case</span> NMT_FELICA: {
<a name="l00390"></a>00390 <span class="comment">// polling payload must be present (see ISO/IEC 18092 11.2.2.5)</span>
<a name="l00391"></a>00391 pbtInitData = (byte_t *) <span class="stringliteral">"\x00\xff\xff\x01\x00"</span>;
<a name="l00392"></a>00392 szInitDataLen = 5;
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394 <span class="keywordflow">break</span>;
<a name="l00395"></a>00395 <span class="keywordflow">default</span>:
<a name="l00396"></a>00396 <span class="comment">// nothing to do</span>
<a name="l00397"></a>00397 <span class="keywordflow">break</span>;
<a name="l00398"></a>00398 }
<a name="l00399"></a>00399
<a name="l00400"></a>00400 <span class="keywordflow">while</span> (<a class="code" href="nfc_8c.html#acff0e43e51d7a2c8d750d09fa5265e16" title="Select a passive or emulated tag.">nfc_initiator_select_passive_target</a> (pnd, nm, pbtInitData, szInitDataLen, &nt)) {
<a name="l00401"></a>00401 nfc_initiator_deselect_target (pnd);
<a name="l00402"></a>00402
<a name="l00403"></a>00403 <span class="keywordflow">if</span> (szTargets > szTargetFound) {
<a name="l00404"></a>00404 memcpy (&(ant[szTargetFound]), &nt, <span class="keyword">sizeof</span> (<a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a>));
<a name="l00405"></a>00405 } <span class="keywordflow">else</span> {
<a name="l00406"></a>00406 <span class="keywordflow">break</span>;
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408 szTargetFound++;
<a name="l00409"></a>00409 <span class="comment">// deselect has no effect on FeliCa and Jewel cards so we'll stop after one...</span>
<a name="l00410"></a>00410 <span class="keywordflow">if</span> ((nm.nmt == NMT_FELICA) || (nm.nmt == NMT_JEWEL)) {
<a name="l00411"></a>00411 <span class="keywordflow">break</span>;
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413 }
<a name="l00414"></a>00414 *pszTargetFound = szTargetFound;
<a name="l00415"></a>00415
<a name="l00416"></a>00416 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00417"></a>00417 }
<a name="l00418"></a>00418
<a name="l00432"></a>00432 <span class="keywordtype">bool</span>
<a name="l00433"></a><a class="code" href="nfc_8h.html#ad223381d67671fd223cc3be5a9d0ecab">00433</a> <a class="code" href="nfc_8c.html#a2a5d72c36fbb65e208d7a38a0a7080d1" title="Polling for NFC targets.">nfc_initiator_poll_targets</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00434"></a>00434 <span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> * pnmModulations, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szModulations,
<a name="l00435"></a>00435 <span class="keyword">const</span> byte_t btPollNr, <span class="keyword">const</span> byte_t btPeriod,
<a name="l00436"></a>00436 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> * pntTargets, <span class="keywordtype">size_t</span> * pszTargetFound)
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00439"></a>00439
<a name="l00440"></a>00440 <span class="keywordflow">return</span> pn53x_initiator_poll_targets (pnd, pnmModulations, szModulations, btPollNr, btPeriod, pntTargets, pszTargetFound);
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442
<a name="l00443"></a>00443
<a name="l00459"></a>00459 <span class="keywordtype">bool</span>
<a name="l00460"></a><a class="code" href="nfc_8h.html#a337f8b5bc27c12c31eb84ab8e5d8221c">00460</a> <a class="code" href="nfc_8c.html#ae96adb1fa222b989f7118e373a0d01c9" title="Select a target and request active or passive mode for D.E.P. (Data Exchange Protocol)">nfc_initiator_select_dep_target</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00461"></a>00461 <span class="keyword">const</span> <a class="code" href="nfc-types_8h.html#a0403437f90b1c17f0177fc26c1f4e0fc" title="NFC D.E.P. (Data Exchange Protocol) active/passive mode.">nfc_dep_mode_t</a> ndm, <span class="keyword">const</span> <a class="code" href="nfc-types_8h.html#ae9d7b01916fb677e7c0ad1de171b1fdd" title="NFC baud rate enumeration.">nfc_baud_rate_t</a> nbr,
<a name="l00462"></a>00462 <span class="keyword">const</span> <a class="code" href="structnfc__dep__info__t.html" title="NFC target information in D.E.P. (Data Exchange Protocol) see ISO/IEC 18092 (NFCIP-1)">nfc_dep_info_t</a> * pndiInitiator, <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> * pnt)
<a name="l00463"></a>00463 {
<a name="l00464"></a>00464 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <span class="keywordflow">return</span> pn53x_initiator_select_dep_target (pnd, ndm, nbr, pndiInitiator, pnt);
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468
<a name="l00481"></a>00481 <span class="keywordtype">bool</span>
<a name="l00482"></a>00482 nfc_initiator_deselect_target (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd)
<a name="l00483"></a>00483 {
<a name="l00484"></a>00484 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00485"></a>00485
<a name="l00486"></a>00486 <span class="keywordflow">return</span> (pn53x_InDeselect (pnd, 0)); <span class="comment">// 0 mean deselect all selected targets</span>
<a name="l00487"></a>00487 }
<a name="l00488"></a>00488
<a name="l00505"></a>00505 <span class="keywordtype">bool</span>
<a name="l00506"></a><a class="code" href="nfc_8h.html#a66d39098b4786ae8533db79b1e5f4bd1">00506</a> <a class="code" href="nfc_8c.html#a9e32d7ad73ef60bb198a8f0d36da0890" title="Send data to target then retrieve data from target.">nfc_initiator_transceive_bytes</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> byte_t * pbtTx, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szTx, byte_t * pbtRx,
<a name="l00507"></a>00507 <span class="keywordtype">size_t</span> * pszRx)
<a name="l00508"></a>00508 {
<a name="l00509"></a>00509 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00510"></a>00510
<a name="l00511"></a>00511 <span class="keywordflow">return</span> pn53x_initiator_transceive_bytes (pnd, pbtTx, szTx, pbtRx, pszRx);
<a name="l00512"></a>00512 }
<a name="l00513"></a>00513
<a name="l00549"></a>00549 <span class="keywordtype">bool</span>
<a name="l00550"></a><a class="code" href="nfc_8h.html#ae4a101a28da85b68c1d5cc000a53e428">00550</a> <a class="code" href="nfc_8c.html#aa20007e4440af8d489dc6745f0219d4c" title="Transceive raw bit-frames to a target.">nfc_initiator_transceive_bits</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> byte_t * pbtTx, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szTxBits, <span class="keyword">const</span> byte_t * pbtTxPar,
<a name="l00551"></a>00551 byte_t * pbtRx, <span class="keywordtype">size_t</span> * pszRxBits, byte_t * pbtRxPar)
<a name="l00552"></a>00552 {
<a name="l00553"></a>00553 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00554"></a>00554
<a name="l00555"></a>00555 <span class="keywordflow">return</span> pn53x_initiator_transceive_bits (pnd, pbtTx, szTxBits, pbtTxPar, pbtRx, pszRxBits, pbtRxPar);
<a name="l00556"></a>00556 }
<a name="l00557"></a>00557
<a name="l00580"></a>00580 <span class="keywordtype">bool</span>
<a name="l00581"></a><a class="code" href="nfc_8h.html#a319bf1bd4fa4fc1af757000e0b9b8301">00581</a> <a class="code" href="nfc_8c.html#a2e021479b99fbd60cf5f037b2daa3007" title="Initialize NFC device as an emulated tag.">nfc_target_init</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> * pnt, byte_t * pbtRx, <span class="keywordtype">size_t</span> * pszRx)
<a name="l00582"></a>00582 {
<a name="l00583"></a>00583 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00584"></a>00584
<a name="l00585"></a>00585 <span class="keywordflow">return</span> pn53x_target_init (pnd, pnt, pbtRx, pszRx);
<a name="l00586"></a>00586 }
<a name="l00587"></a>00587
<a name="l00599"></a>00599 <span class="keywordtype">bool</span>
<a name="l00600"></a><a class="code" href="nfc_8h.html#a229671d8a0affa605d7ef0a837aa7b71">00600</a> <a class="code" href="nfc_8c.html#af75f631996a44331f8b2e6ea9e56585d" title="Send bytes and APDU frames.">nfc_target_send_bytes</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> byte_t * pbtTx, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szTx)
<a name="l00601"></a>00601 {
<a name="l00602"></a>00602 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00603"></a>00603
<a name="l00604"></a>00604 <span class="keywordflow">return</span> pn53x_target_send_bytes (pnd, pbtTx, szTx);
<a name="l00605"></a>00605 }
<a name="l00606"></a>00606
<a name="l00616"></a>00616 <span class="keywordtype">bool</span>
<a name="l00617"></a><a class="code" href="nfc_8h.html#ac18ec064e2084f8af9a4710b50623d22">00617</a> <a class="code" href="nfc_8c.html#aa2f4fac4826ea6a6e428af5e7b68fe4a" title="Receive bytes and APDU frames.">nfc_target_receive_bytes</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, byte_t * pbtRx, <span class="keywordtype">size_t</span> * pszRx)
<a name="l00618"></a>00618 {
<a name="l00619"></a>00619 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00620"></a>00620
<a name="l00621"></a>00621 <span class="keywordflow">return</span> pn53x_target_receive_bytes (pnd, pbtRx, pszRx);
<a name="l00622"></a>00622 }
<a name="l00623"></a>00623
<a name="l00631"></a>00631 <span class="keywordtype">bool</span>
<a name="l00632"></a><a class="code" href="nfc_8h.html#a8db48ddbc106b808e9d7a209a3ef186b">00632</a> <a class="code" href="nfc_8c.html#a13e7015472f2385e1f3a46ddfe95f980" title="Send raw bit-frames.">nfc_target_send_bits</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> byte_t * pbtTx, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szTxBits, <span class="keyword">const</span> byte_t * pbtTxPar)
<a name="l00633"></a>00633 {
<a name="l00634"></a>00634 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00635"></a>00635
<a name="l00636"></a>00636 <span class="keywordflow">return</span> pn53x_target_send_bits (pnd, pbtTx, szTxBits, pbtTxPar);
<a name="l00637"></a>00637 }
<a name="l00638"></a>00638
<a name="l00650"></a>00650 <span class="keywordtype">bool</span>
<a name="l00651"></a><a class="code" href="nfc_8h.html#addba6ea55b70429a3ca6f29c9d85248f">00651</a> <a class="code" href="nfc_8c.html#a655c79686ca6d03e788cd81eed3c69f1" title="Receive bit-frames.">nfc_target_receive_bits</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, byte_t * pbtRx, <span class="keywordtype">size_t</span> * pszRxBits, byte_t * pbtRxPar)
<a name="l00652"></a>00652 {
<a name="l00653"></a>00653 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00654"></a>00654
<a name="l00655"></a>00655 <span class="keywordflow">return</span> pn53x_target_receive_bits (pnd, pbtRx, pszRxBits, pbtRxPar);
<a name="l00656"></a>00656 }
<a name="l00657"></a>00657
<a name="l00662"></a>00662 <span class="keyword">const</span> <span class="keywordtype">char</span> *
<a name="l00663"></a><a class="code" href="nfc_8h.html#a542abdb592db5881219b074f6c061811">00663</a> <a class="code" href="nfc_8c.html#ab3184acf7359428eae219ffe852934ae" title="Return the PCD error string.">nfc_strerror</a> (<span class="keyword">const</span> <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd)
<a name="l00664"></a>00664 {
<a name="l00665"></a>00665 <span class="keywordflow">return</span> pnd-><a class="code" href="structnfc__device__t.html#ad0a5bc20d415e037233d637817234a64">pdc</a>-><a class="code" href="structdriver__callbacks.html#a33bf8d75793c1f315a05b45caa4fbc69">pcc</a>-><a class="code" href="structchip__callbacks.html#a87adfb2142a70939cf9fe8616f357ca0">strerror</a> (pnd);
<a name="l00666"></a>00666 }
<a name="l00667"></a>00667
<a name="l00672"></a>00672 <span class="keywordtype">int</span>
<a name="l00673"></a><a class="code" href="nfc_8h.html#aa1bfc505428efc5a5dfac4718716869b">00673</a> <a class="code" href="nfc_8c.html#a00302e5d8c4cc2b238cc3bd5d518a316" title="Renders the PCD error in pcStrErrBuf for a maximum size of szBufLen chars.">nfc_strerror_r</a> (<span class="keyword">const</span> <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keywordtype">char</span> *pcStrErrBuf, <span class="keywordtype">size_t</span> szBufLen)
<a name="l00674"></a>00674 {
<a name="l00675"></a>00675 <span class="keywordflow">return</span> (snprintf (pcStrErrBuf, szBufLen, <span class="stringliteral">"%s"</span>, <a class="code" href="nfc_8c.html#ab3184acf7359428eae219ffe852934ae" title="Return the PCD error string.">nfc_strerror</a> (pnd)) < 0) ? -1 : 0;
<a name="l00676"></a>00676 }
<a name="l00677"></a>00677
<a name="l00681"></a>00681 <span class="keywordtype">void</span>
<a name="l00682"></a><a class="code" href="nfc_8h.html#a8449cfcbea8a2b02315a21a8072f2109">00682</a> <a class="code" href="nfc_8c.html#a111b9182fc80b309b56009e9c6be7454" title="Display the PCD error a-la perror.">nfc_perror</a> (<span class="keyword">const</span> <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> <span class="keywordtype">char</span> *pcString)
<a name="l00683"></a>00683 {
<a name="l00684"></a>00684 fprintf (stderr, <span class="stringliteral">"%s: %s\n"</span>, pcString, <a class="code" href="nfc_8c.html#ab3184acf7359428eae219ffe852934ae" title="Return the PCD error string.">nfc_strerror</a> (pnd));
<a name="l00685"></a>00685 }
<a name="l00686"></a>00686
<a name="l00687"></a>00687 <span class="comment">/* Special data accessors */</span>
<a name="l00688"></a>00688
<a name="l00693"></a>00693 <span class="keyword">const</span> <span class="keywordtype">char</span> *
<a name="l00694"></a><a class="code" href="nfc_8h.html#a893e914d305220d68689d5ef82a7b03d">00694</a> <a class="code" href="nfc_8c.html#a77294d0598dcdfbea7dd9efd3b939969" title="Returns the device name.">nfc_device_name</a> (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd)
<a name="l00695"></a>00695 {
<a name="l00696"></a>00696 <span class="keywordflow">return</span> pnd-><a class="code" href="structnfc__device__t.html#a3933f0bea196fedca0345a7f940dc85b">acName</a>;
<a name="l00697"></a>00697 }
<a name="l00698"></a>00698
<a name="l00699"></a>00699 <span class="comment">/* Misc. functions */</span>
<a name="l00700"></a>00700
<a name="l00705"></a>00705 <span class="keyword">const</span> <span class="keywordtype">char</span> *
<a name="l00706"></a><a class="code" href="nfc_8h.html#a729aa9f48fdb2e1191f76a4f0574e548">00706</a> <a class="code" href="nfc_8c.html#aa48f27c0f93d6508ad9a5ae01ab054d4" title="Returns the library version.">nfc_version</a> (<span class="keywordtype">void</span>)
<a name="l00707"></a>00707 {
<a name="l00708"></a>00708 <span class="preprocessor">#ifdef SVN_REVISION</span>
<a name="l00709"></a>00709 <span class="preprocessor"></span> <span class="keywordflow">return</span> PACKAGE_VERSION <span class="stringliteral">" (r"</span> SVN_REVISION <span class="stringliteral">")"</span>;
<a name="l00710"></a>00710 <span class="preprocessor">#else</span>
<a name="l00711"></a>00711 <span class="preprocessor"></span> <span class="keywordflow">return</span> PACKAGE_VERSION;
<a name="l00712"></a>00712 <span class="preprocessor">#endif // SVN_REVISION</span>
<a name="l00713"></a>00713 <span class="preprocessor"></span>}
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