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<h1>pn53x.c</h1> </div>
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<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 <string.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <stdlib.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 <span class="preprocessor">#include <nfc/nfc-messages.h></span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="pn53x_8h.html" title="PN531, PN532 and PN533 common functions.">pn53x.h</a>"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="mirror-subr_8h.html">../mirror-subr.h</a>"</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#ifdef _WIN32</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor"># include "../../contrib/windows.h"</span>
<a name="l00043"></a>00043 <span class="preprocessor">#endif</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span>
<a name="l00045"></a>00045 <span class="preprocessor">#include <sys/param.h></span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment">// PN53X configuration</span>
<a name="l00048"></a>00048 <span class="keyword">const</span> byte_t pncmd_get_firmware_version[2] = { 0xD4, 0x02 };
<a name="l00049"></a>00049 <span class="keyword">const</span> byte_t pncmd_get_general_status[2] = { 0xD4, 0x04 };
<a name="l00050"></a>00050 <span class="keyword">const</span> byte_t pncmd_get_register[4] = { 0xD4, 0x06 };
<a name="l00051"></a>00051 <span class="keyword">const</span> byte_t pncmd_set_register[5] = { 0xD4, 0x08 };
<a name="l00052"></a>00052 <span class="keyword">const</span> byte_t pncmd_set_parameters[3] = { 0xD4, 0x12 };
<a name="l00053"></a>00053 <span class="keyword">const</span> byte_t pncmd_rf_configure[14] = { 0xD4, 0x32 };
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">// Reader</span>
<a name="l00056"></a>00056 <span class="keyword">const</span> byte_t pncmd_initiator_list_passive[264] = { 0xD4, 0x4A };
<a name="l00057"></a>00057 <span class="keyword">const</span> byte_t pncmd_initiator_jump_for_dep[68] = { 0xD4, 0x56 };
<a name="l00058"></a>00058 <span class="keyword">const</span> byte_t pncmd_initiator_select[3] = { 0xD4, 0x54 };
<a name="l00059"></a>00059 <span class="keyword">const</span> byte_t pncmd_initiator_deselect[3] = { 0xD4, 0x44, 0x00 };
<a name="l00060"></a>00060 <span class="keyword">const</span> byte_t pncmd_initiator_release[3] = { 0xD4, 0x52, 0x00 };
<a name="l00061"></a>00061 <span class="keyword">const</span> byte_t pncmd_initiator_set_baud_rate[5] = { 0xD4, 0x4E };
<a name="l00062"></a>00062 <span class="keyword">const</span> byte_t pncmd_initiator_exchange_data[265] = { 0xD4, 0x40 };
<a name="l00063"></a>00063 <span class="keyword">const</span> byte_t pncmd_initiator_exchange_raw_data[266] = { 0xD4, 0x42 };
<a name="l00064"></a>00064 <span class="keyword">const</span> byte_t pncmd_initiator_auto_poll[5] = { 0xD4, 0x60 };
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="comment">// Target</span>
<a name="l00067"></a>00067 <span class="keyword">const</span> byte_t pncmd_target_get_data[2] = { 0xD4, 0x86 };
<a name="l00068"></a>00068 <span class="keyword">const</span> byte_t pncmd_target_set_data[264] = { 0xD4, 0x8E };
<a name="l00069"></a>00069 <span class="keyword">const</span> byte_t pncmd_target_init[2] = { 0xD4, 0x8C };
<a name="l00070"></a>00070 <span class="comment">//Example of default values for PN532 or PN533:</span>
<a name="l00071"></a>00071 <span class="comment">//const byte_t pncmd_target_init[39] = { 0xD4, 0x8C, 0x00, 0x08, 0x00, 0x12, 0x34, 0x56, 0x40, 0x01, 0xFE, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xFF, 0xFF, 0xAA, 0x99, 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x00, 0x00 };</span>
<a name="l00072"></a>00072 <span class="keyword">const</span> byte_t pncmd_target_virtual_card[4] = { 0xD4, 0x14 };
<a name="l00073"></a>00073 <span class="keyword">const</span> byte_t pncmd_target_get_initiator_command[2] = { 0xD4, 0x88 };
<a name="l00074"></a>00074 <span class="keyword">const</span> byte_t pncmd_target_response_to_initiator[264] = { 0xD4, 0x90 };
<a name="l00075"></a>00075 <span class="keyword">const</span> byte_t pncmd_target_get_status[2] = { 0xD4, 0x8A };
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keyword">static</span> <span class="keyword">const</span> byte_t pn53x_ack_frame[] = { 0x00, 0x00, 0xff, 0x00, 0xff, 0x00 };
<a name="l00078"></a>00078 <span class="keyword">static</span> <span class="keyword">const</span> byte_t pn53x_nack_frame[] = { 0x00, 0x00, 0xff, 0xff, 0x00, 0x00 };
<a name="l00079"></a>00079 <span class="keyword">static</span> <span class="keyword">const</span> byte_t pn53x_error_frame[] = { 0x00, 0x00, 0xff, 0x01, 0xff, 0x7f, 0x81, 0x00 };
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="comment">/* prototypes */</span>
<a name="l00082"></a>00082 <span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> pn53x_ptt_to_nm( <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466" title="NFC target type enumeration.">pn53x_target_type_t</a> ptt );
<a name="l00083"></a>00083 <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776" title="NFC modulation.">pn53x_modulation_t</a> pn53x_nm_to_pm(<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm);
<a name="l00084"></a>00084 <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466" title="NFC target type enumeration.">pn53x_target_type_t</a> pn53x_nm_to_ptt(<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordtype">bool</span>
<a name="l00087"></a>00087 pn53x_init(<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <span class="comment">// CRC handling is enabled by default</span>
<a name="l00090"></a>00090 pnd-><a class="code" href="structnfc__device__t.html#a7ce8e0b0e4be5f10074c9a552b5a945d">bCrc</a> = <span class="keyword">true</span>;
<a name="l00091"></a>00091 <span class="comment">// Parity handling is enabled by default</span>
<a name="l00092"></a>00092 pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a> = <span class="keyword">true</span>;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">// Reset the ending transmission bits register, it is unknown what the last tranmission used there</span>
<a name="l00095"></a>00095 pnd-><a class="code" href="structnfc__device__t.html#ad24b24c1dce4c9b331f5d165f33e5f3a">ui8TxBits</a> = 0;
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_BIT_FRAMING, SYMBOL_TX_LAST_BITS, 0x00)) {
<a name="l00097"></a>00097 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="comment">// We can't read these parameters, so we set a default config by using the SetParameters wrapper</span>
<a name="l00101"></a>00101 <span class="comment">// Note: pn53x_SetParameters() will save the sent value in pnd->ui8Parameters cache</span>
<a name="l00102"></a>00102 <span class="keywordflow">if</span>(!pn53x_SetParameters(pnd, PARAM_AUTO_ATR_RES | PARAM_AUTO_RATS)) {
<a name="l00103"></a>00103 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keywordtype">char</span> abtFirmwareText[18];
<a name="l00107"></a>00107 <span class="keywordflow">if</span> (!pn53x_get_firmware_version (pnd, abtFirmwareText)) {
<a name="l00108"></a>00108 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">// Add the firmware revision to the device name</span>
<a name="l00112"></a>00112 <span class="keywordtype">char</span> *pcName;
<a name="l00113"></a>00113 pcName = strdup (pnd-><a class="code" href="structnfc__device__t.html#a3933f0bea196fedca0345a7f940dc85b">acName</a>);
<a name="l00114"></a>00114 snprintf (pnd-><a class="code" href="structnfc__device__t.html#a3933f0bea196fedca0345a7f940dc85b">acName</a>, DEVICE_NAME_LENGTH - 1, <span class="stringliteral">"%s - %s"</span>, pcName, abtFirmwareText);
<a name="l00115"></a>00115 free (pcName);
<a name="l00116"></a>00116 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keywordtype">bool</span>
<a name="l00120"></a>00120 pn53x_check_ack_frame_callback (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> byte_t * pbtRxFrame, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szRxFrameLen)
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (szRxFrameLen >= <span class="keyword">sizeof</span> (pn53x_ack_frame)) {
<a name="l00123"></a>00123 <span class="keywordflow">if</span> (0 == memcmp (pbtRxFrame, pn53x_ack_frame, <span class="keyword">sizeof</span> (pn53x_ack_frame))) {
<a name="l00124"></a>00124 <span class="comment">// DBG ("%s", "PN53x ACKed");</span>
<a name="l00125"></a>00125 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00126"></a>00126 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (0 == memcmp (pbtRxFrame, pn53x_nack_frame, <span class="keyword">sizeof</span> (pn53x_nack_frame))) {
<a name="l00127"></a>00127 DBG (<span class="stringliteral">"%s"</span>, <span class="stringliteral">"PN53x NACKed"</span>);
<a name="l00128"></a>00128 <span class="comment">// TODO Try to recover when PN53x NACKs !</span>
<a name="l00129"></a>00129 <span class="comment">// A counter could allow the command to be sent again (e.g. max 3 times)</span>
<a name="l00130"></a>00130 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENACK;
<a name="l00131"></a>00131 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DEACKMISMATCH;
<a name="l00135"></a>00135 ERR (<span class="stringliteral">"%s"</span>, <span class="stringliteral">"Unexpected PN53x reply!"</span>);
<a name="l00136"></a>00136 <span class="preprocessor">#if defined(DEBUG)</span>
<a name="l00137"></a>00137 <span class="preprocessor"></span> <span class="comment">// coredump so that we can have a backtrace about how this code was reached.</span>
<a name="l00138"></a>00138 abort ();
<a name="l00139"></a>00139 <span class="preprocessor">#endif</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keywordtype">bool</span>
<a name="l00144"></a>00144 pn53x_check_error_frame_callback (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> byte_t * pbtRxFrame, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szRxFrameLen)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <span class="keywordflow">if</span> (szRxFrameLen >= <span class="keyword">sizeof</span> (pn53x_error_frame)) {
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (0 == memcmp (pbtRxFrame, pn53x_error_frame, <span class="keyword">sizeof</span> (pn53x_error_frame))) {
<a name="l00148"></a>00148 DBG (<span class="stringliteral">"%s"</span>, <span class="stringliteral">"PN53x sent an error frame"</span>);
<a name="l00149"></a>00149 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DEISERRFRAME;
<a name="l00150"></a>00150 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="preprocessor">#define PN53x_REPLY_FRAME_MAX_LEN (PN53x_EXTENDED_FRAME_MAX_LEN + PN53x_EXTENDED_FRAME_OVERHEAD + sizeof(pn53x_ack_frame))</span>
<a name="l00158"></a>00158 <span class="preprocessor"></span><span class="keywordtype">bool</span>
<a name="l00159"></a>00159 pn53x_transceive (<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, <span class="keywordtype">size_t</span> * pszRx)
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 byte_t abtRx[PN53x_REPLY_FRAME_MAX_LEN];
<a name="l00162"></a>00162 <span class="keywordtype">size_t</span> szRx = PN53x_EXTENDED_FRAME_MAX_LEN;
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="comment">// Check if receiving buffers are available, if not, replace them</span>
<a name="l00165"></a>00165 <span class="keywordflow">if</span> (!pszRx || !pbtRx) {
<a name="l00166"></a>00166 pbtRx = abtRx;
<a name="l00167"></a>00167 pszRx = &szRx;
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="preprocessor">#if defined(DEBUG)</span>
<a name="l00171"></a>00171 <span class="preprocessor"></span> <span class="keywordflow">if</span>(*pszRx > PN53x_EXTENDED_FRAME_MAX_LEN) {
<a name="l00172"></a>00172 DBG( <span class="stringliteral">"Expected reply bytes count (*pszRx=%zu) is greater than MAX (PN53x_EXTENDED_FRAME_MAX_LEN=%d)"</span>, *pszRx, PN53x_EXTENDED_FRAME_MAX_LEN );
<a name="l00173"></a>00173 *pszRx=MIN(*pszRx, PN53x_EXTENDED_FRAME_MAX_LEN);
<a name="l00174"></a>00174 <span class="comment">// abort();</span>
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176 <span class="preprocessor">#endif</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span>
<a name="l00178"></a>00178 *pszRx += <span class="keyword">sizeof</span>(pn53x_ack_frame) + PN53x_EXTENDED_FRAME_OVERHEAD;
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="comment">// Call the transceive callback function of the current device</span>
<a name="l00181"></a>00181 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ad0a5bc20d415e037233d637817234a64">pdc</a>-><a class="code" href="structdriver__callbacks.html#a530f85a0449f79e7b3e47c6a60873d53">transceive</a> (pnd, pbtTx, szTx, pbtRx, pszRx))
<a name="l00182"></a>00182 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00183"></a>00183 <span class="comment">// TODO Put all these hex-coded command behind a human-readable #define (1.6.x)</span>
<a name="l00184"></a>00184 <span class="comment">// Should be proceed while we will fix Issue 110 (Rework the way that pn53x commands are built)</span>
<a name="l00185"></a>00185 <span class="keywordflow">switch</span> (pbtTx[1]) {
<a name="l00186"></a>00186 <span class="keywordflow">case</span> 0x16: <span class="comment">// PowerDown</span>
<a name="l00187"></a>00187 <span class="keywordflow">case</span> 0x40: <span class="comment">// InDataExchange</span>
<a name="l00188"></a>00188 <span class="keywordflow">case</span> 0x42: <span class="comment">// InCommunicateThru</span>
<a name="l00189"></a>00189 <span class="keywordflow">case</span> 0x44: <span class="comment">// InDeselect</span>
<a name="l00190"></a>00190 <span class="keywordflow">case</span> 0x46: <span class="comment">// InJumpForPSL</span>
<a name="l00191"></a>00191 <span class="keywordflow">case</span> 0x4e: <span class="comment">// InPSL</span>
<a name="l00192"></a>00192 <span class="keywordflow">case</span> 0x50: <span class="comment">// InATR</span>
<a name="l00193"></a>00193 <span class="keywordflow">case</span> 0x52: <span class="comment">// InRelease</span>
<a name="l00194"></a>00194 <span class="keywordflow">case</span> 0x54: <span class="comment">// InSelect</span>
<a name="l00195"></a>00195 <span class="keywordflow">case</span> 0x56: <span class="comment">// InJumpForDEP</span>
<a name="l00196"></a>00196 <span class="keywordflow">case</span> 0x86: <span class="comment">// TgGetData</span>
<a name="l00197"></a>00197 <span class="keywordflow">case</span> 0x88: <span class="comment">// TgGetInitiatorCommand</span>
<a name="l00198"></a>00198 <span class="keywordflow">case</span> 0x8e: <span class="comment">// TgSetData</span>
<a name="l00199"></a>00199 <span class="keywordflow">case</span> 0x90: <span class="comment">// TgResponseToInitiator</span>
<a name="l00200"></a>00200 <span class="keywordflow">case</span> 0x92: <span class="comment">// TgSetGeneralBytes</span>
<a name="l00201"></a>00201 <span class="keywordflow">case</span> 0x94: <span class="comment">// TgSetMetaData</span>
<a name="l00202"></a>00202 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = pbtRx[0] & 0x3f;
<a name="l00203"></a>00203 <span class="keywordflow">break</span>;
<a name="l00204"></a>00204 <span class="keywordflow">default</span>:
<a name="l00205"></a>00205 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = 0;
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a> == NC_PN533) {
<a name="l00208"></a>00208 <span class="keywordflow">if</span> ((pbtTx[1] == 0x06) <span class="comment">// ReadRegister</span>
<a name="l00209"></a>00209 || (pbtTx[1] == 0x08)) { <span class="comment">// WriteRegister</span>
<a name="l00210"></a>00210 <span class="comment">// PN533 prepends its answer by a status byte</span>
<a name="l00211"></a>00211 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = pbtRx[0] & 0x3f;
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214 <span class="keywordflow">return</span> (0 == pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a>);
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="keywordtype">bool</span>
<a name="l00218"></a>00218 pn53x_get_reg (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, uint16_t ui16Reg, uint8_t * ui8Value)
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_get_register)];
<a name="l00221"></a>00221 memcpy (abtCmd, pncmd_get_register, <span class="keyword">sizeof</span> (pncmd_get_register));
<a name="l00222"></a>00222
<a name="l00223"></a>00223 abtCmd[2] = ui16Reg >> 8;
<a name="l00224"></a>00224 abtCmd[3] = ui16Reg & 0xff;
<a name="l00225"></a>00225
<a name="l00226"></a>00226 byte_t abtRegValue[2];
<a name="l00227"></a>00227 <span class="keywordtype">size_t</span> szValueLen = 3 + PN53x_NORMAL_FRAME_OVERHEAD;
<a name="l00228"></a>00228 <span class="keywordflow">if</span> (pn53x_transceive (pnd, abtCmd, <span class="keyword">sizeof</span> (pncmd_get_register), abtRegValue, &szValueLen)) {
<a name="l00229"></a>00229 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a> == NC_PN533) {
<a name="l00230"></a>00230 <span class="comment">// PN533 prepends its answer by a status byte</span>
<a name="l00231"></a>00231 <span class="keywordflow">if</span> (abtRegValue[0] == 0) { <span class="comment">// 0x00 </span>
<a name="l00232"></a>00232 *ui8Value = abtRegValue[1];
<a name="l00233"></a>00233 } <span class="keywordflow">else</span> {
<a name="l00234"></a>00234 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236 } <span class="keywordflow">else</span> {
<a name="l00237"></a>00237 *ui8Value = abtRegValue[0];
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="keywordtype">bool</span>
<a name="l00245"></a>00245 pn53x_set_reg (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, uint16_t ui16Reg, uint8_t ui8SymbolMask, uint8_t ui8Value)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 uint8_t ui8Current;
<a name="l00248"></a>00248 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_set_register)];
<a name="l00249"></a>00249 memcpy (abtCmd, pncmd_set_register, <span class="keyword">sizeof</span> (pncmd_set_register));
<a name="l00250"></a>00250
<a name="l00251"></a>00251 abtCmd[2] = ui16Reg >> 8;
<a name="l00252"></a>00252 abtCmd[3] = ui16Reg & 0xff;
<a name="l00253"></a>00253 <span class="keywordflow">if</span> (ui8SymbolMask != 0xff) {
<a name="l00254"></a>00254 <span class="keywordflow">if</span> (!pn53x_get_reg (pnd, ui16Reg, &ui8Current))
<a name="l00255"></a>00255 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00256"></a>00256 abtCmd[4] = ui8Value | (ui8Current & (~ui8SymbolMask));
<a name="l00257"></a>00257 <span class="keywordflow">return</span> (abtCmd[4] != ui8Current) ? pn53x_transceive (pnd, abtCmd, <span class="keyword">sizeof</span> (pncmd_set_register), NULL, NULL) : true;
<a name="l00258"></a>00258 } <span class="keywordflow">else</span> {
<a name="l00259"></a>00259 abtCmd[4] = ui8Value;
<a name="l00260"></a>00260 <span class="keywordflow">return</span> pn53x_transceive (pnd, abtCmd, <span class="keyword">sizeof</span> (pncmd_set_register), NULL, NULL);
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="keywordtype">bool</span>
<a name="l00265"></a>00265 pn53x_set_parameter (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> uint8_t ui8Parameter, <span class="keyword">const</span> <span class="keywordtype">bool</span> bEnable)
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 uint8_t ui8Value = (bEnable) ? (pnd-><a class="code" href="structnfc__device__t.html#a6c783f64079dcaaf77d80d526878456b">ui8Parameters</a> | ui8Parameter) : (pnd-><a class="code" href="structnfc__device__t.html#a6c783f64079dcaaf77d80d526878456b">ui8Parameters</a> & ~(ui8Parameter));
<a name="l00268"></a>00268 <span class="keywordflow">if</span> (ui8Value != pnd-><a class="code" href="structnfc__device__t.html#a6c783f64079dcaaf77d80d526878456b">ui8Parameters</a>) {
<a name="l00269"></a>00269 <span class="keywordflow">return</span> pn53x_SetParameters(pnd, ui8Value);
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keywordtype">bool</span>
<a name="l00275"></a>00275 pn53x_SetParameters (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> uint8_t ui8Value)
<a name="l00276"></a>00276 {
<a name="l00277"></a>00277 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_set_parameters)];
<a name="l00278"></a>00278 memcpy (abtCmd, pncmd_set_parameters, <span class="keyword">sizeof</span> (pncmd_set_parameters));
<a name="l00279"></a>00279
<a name="l00280"></a>00280 abtCmd[2] = ui8Value;
<a name="l00281"></a>00281 <span class="keywordflow">if</span>(!pn53x_transceive (pnd, abtCmd, <span class="keyword">sizeof</span> (pncmd_set_parameters), NULL, NULL)) {
<a name="l00282"></a>00282 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284 <span class="comment">// We save last parameters in register cache</span>
<a name="l00285"></a>00285 pnd-><a class="code" href="structnfc__device__t.html#a6c783f64079dcaaf77d80d526878456b">ui8Parameters</a> = ui8Value;
<a name="l00286"></a>00286 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="keywordtype">bool</span>
<a name="l00290"></a>00290 pn53x_set_tx_bits (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> uint8_t ui8Bits)
<a name="l00291"></a>00291 {
<a name="l00292"></a>00292 <span class="comment">// Test if we need to update the transmission bits register setting</span>
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ad24b24c1dce4c9b331f5d165f33e5f3a">ui8TxBits</a> != ui8Bits) {
<a name="l00294"></a>00294 <span class="comment">// Set the amount of transmission bits in the PN53X chip register</span>
<a name="l00295"></a>00295 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_BIT_FRAMING, SYMBOL_TX_LAST_BITS, ui8Bits))
<a name="l00296"></a>00296 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00297"></a>00297
<a name="l00298"></a>00298 <span class="comment">// Store the new setting</span>
<a name="l00299"></a>00299 ((<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *) pnd)->ui8TxBits = ui8Bits;
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="keywordtype">bool</span>
<a name="l00305"></a>00305 pn53x_wrap_frame (<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="l00306"></a>00306 byte_t * pbtFrame, <span class="keywordtype">size_t</span> * pszFrameBits)
<a name="l00307"></a>00307 {
<a name="l00308"></a>00308 byte_t btFrame;
<a name="l00309"></a>00309 byte_t btData;
<a name="l00310"></a>00310 uint32_t uiBitPos;
<a name="l00311"></a>00311 uint32_t uiDataPos = 0;
<a name="l00312"></a>00312 <span class="keywordtype">size_t</span> szBitsLeft = szTxBits;
<a name="l00313"></a>00313
<a name="l00314"></a>00314 <span class="comment">// Make sure we should frame at least something</span>
<a name="l00315"></a>00315 <span class="keywordflow">if</span> (szBitsLeft == 0)
<a name="l00316"></a>00316 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00317"></a>00317
<a name="l00318"></a>00318 <span class="comment">// Handle a short response (1byte) as a special case</span>
<a name="l00319"></a>00319 <span class="keywordflow">if</span> (szBitsLeft < 9) {
<a name="l00320"></a>00320 *pbtFrame = *pbtTx;
<a name="l00321"></a>00321 *pszFrameBits = szTxBits;
<a name="l00322"></a>00322 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324 <span class="comment">// We start by calculating the frame length in bits</span>
<a name="l00325"></a>00325 *pszFrameBits = szTxBits + (szTxBits / 8);
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="comment">// Parse the data bytes and add the parity bits</span>
<a name="l00328"></a>00328 <span class="comment">// This is really a sensitive process, mirror the frame bytes and append parity bits</span>
<a name="l00329"></a>00329 <span class="comment">// buffer = mirror(frame-byte) + parity + mirror(frame-byte) + parity + ...</span>
<a name="l00330"></a>00330 <span class="comment">// split "buffer" up in segments of 8 bits again and mirror them</span>
<a name="l00331"></a>00331 <span class="comment">// air-bytes = mirror(buffer-byte) + mirror(buffer-byte) + mirror(buffer-byte) + ..</span>
<a name="l00332"></a>00332 <span class="keywordflow">while</span> (<span class="keyword">true</span>) {
<a name="l00333"></a>00333 <span class="comment">// Reset the temporary frame byte;</span>
<a name="l00334"></a>00334 btFrame = 0;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keywordflow">for</span> (uiBitPos = 0; uiBitPos < 8; uiBitPos++) {
<a name="l00337"></a>00337 <span class="comment">// Copy as much data that fits in the frame byte</span>
<a name="l00338"></a>00338 btData = mirror (pbtTx[uiDataPos]);
<a name="l00339"></a>00339 btFrame |= (btData >> uiBitPos);
<a name="l00340"></a>00340 <span class="comment">// Save this frame byte</span>
<a name="l00341"></a>00341 *pbtFrame = mirror (btFrame);
<a name="l00342"></a>00342 <span class="comment">// Set the remaining bits of the date in the new frame byte and append the parity bit</span>
<a name="l00343"></a>00343 btFrame = (btData << (8 - uiBitPos));
<a name="l00344"></a>00344 btFrame |= ((pbtTxPar[uiDataPos] & 0x01) << (7 - uiBitPos));
<a name="l00345"></a>00345 <span class="comment">// Backup the frame bits we have so far</span>
<a name="l00346"></a>00346 pbtFrame++;
<a name="l00347"></a>00347 *pbtFrame = mirror (btFrame);
<a name="l00348"></a>00348 <span class="comment">// Increase the data (without parity bit) position</span>
<a name="l00349"></a>00349 uiDataPos++;
<a name="l00350"></a>00350 <span class="comment">// Test if we are done</span>
<a name="l00351"></a>00351 <span class="keywordflow">if</span> (szBitsLeft < 9)
<a name="l00352"></a>00352 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00353"></a>00353 szBitsLeft -= 8;
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355 <span class="comment">// Every 8 data bytes we lose one frame byte to the parities</span>
<a name="l00356"></a>00356 pbtFrame++;
<a name="l00357"></a>00357 }
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="keywordtype">bool</span>
<a name="l00361"></a>00361 pn53x_unwrap_frame (<span class="keyword">const</span> byte_t * pbtFrame, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szFrameBits, byte_t * pbtRx, <span class="keywordtype">size_t</span> * pszRxBits,
<a name="l00362"></a>00362 byte_t * pbtRxPar)
<a name="l00363"></a>00363 {
<a name="l00364"></a>00364 byte_t btFrame;
<a name="l00365"></a>00365 byte_t btData;
<a name="l00366"></a>00366 uint8_t uiBitPos;
<a name="l00367"></a>00367 uint32_t uiDataPos = 0;
<a name="l00368"></a>00368 byte_t *pbtFramePos = (byte_t *) pbtFrame;
<a name="l00369"></a>00369 <span class="keywordtype">size_t</span> szBitsLeft = szFrameBits;
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="comment">// Make sure we should frame at least something</span>
<a name="l00372"></a>00372 <span class="keywordflow">if</span> (szBitsLeft == 0)
<a name="l00373"></a>00373 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00374"></a>00374
<a name="l00375"></a>00375 <span class="comment">// Handle a short response (1byte) as a special case</span>
<a name="l00376"></a>00376 <span class="keywordflow">if</span> (szBitsLeft < 9) {
<a name="l00377"></a>00377 *pbtRx = *pbtFrame;
<a name="l00378"></a>00378 *pszRxBits = szFrameBits;
<a name="l00379"></a>00379 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00380"></a>00380 }
<a name="l00381"></a>00381 <span class="comment">// Calculate the data length in bits</span>
<a name="l00382"></a>00382 *pszRxBits = szFrameBits - (szFrameBits / 9);
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="comment">// Parse the frame bytes, remove the parity bits and store them in the parity array</span>
<a name="l00385"></a>00385 <span class="comment">// This process is the reverse of WrapFrame(), look there for more info</span>
<a name="l00386"></a>00386 <span class="keywordflow">while</span> (<span class="keyword">true</span>) {
<a name="l00387"></a>00387 <span class="keywordflow">for</span> (uiBitPos = 0; uiBitPos < 8; uiBitPos++) {
<a name="l00388"></a>00388 btFrame = mirror (pbtFramePos[uiDataPos]);
<a name="l00389"></a>00389 btData = (btFrame << uiBitPos);
<a name="l00390"></a>00390 btFrame = mirror (pbtFramePos[uiDataPos + 1]);
<a name="l00391"></a>00391 btData |= (btFrame >> (8 - uiBitPos));
<a name="l00392"></a>00392 pbtRx[uiDataPos] = mirror (btData);
<a name="l00393"></a>00393 <span class="keywordflow">if</span> (pbtRxPar != NULL)
<a name="l00394"></a>00394 pbtRxPar[uiDataPos] = ((btFrame >> (7 - uiBitPos)) & 0x01);
<a name="l00395"></a>00395 <span class="comment">// Increase the data (without parity bit) position</span>
<a name="l00396"></a>00396 uiDataPos++;
<a name="l00397"></a>00397 <span class="comment">// Test if we are done</span>
<a name="l00398"></a>00398 <span class="keywordflow">if</span> (szBitsLeft < 9)
<a name="l00399"></a>00399 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00400"></a>00400 szBitsLeft -= 9;
<a name="l00401"></a>00401 }
<a name="l00402"></a>00402 <span class="comment">// Every 8 data bytes we lose one frame byte to the parities</span>
<a name="l00403"></a>00403 pbtFramePos++;
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406
<a name="l00407"></a>00407 <span class="keywordtype">bool</span>
<a name="l00408"></a>00408 pn53x_decode_target_data (<span class="keyword">const</span> byte_t * pbtRawData, <span class="keywordtype">size_t</span> szRawData, nfc_chip_t nc, <a class="code" href="nfc-types_8h.html#a0ba2d4ab603fd8f3f0745cd1f44e9893" title="NFC modulation type enumeration.">nfc_modulation_type_t</a> nmt,
<a name="l00409"></a>00409 <a class="code" href="unionnfc__target__info__t.html" title="Union between all kind of tags information structures.">nfc_target_info_t</a> * pnti)
<a name="l00410"></a>00410 {
<a name="l00411"></a>00411 uint8_t szAttribRes;
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="keywordflow">switch</span> (nmt) {
<a name="l00414"></a>00414 <span class="keywordflow">case</span> NMT_ISO14443A:
<a name="l00415"></a>00415 <span class="comment">// We skip the first byte: its the target number (Tg)</span>
<a name="l00416"></a>00416 pbtRawData++;
<a name="l00417"></a>00417
<a name="l00418"></a>00418 <span class="comment">// Somehow they switched the lower and upper ATQA bytes around for the PN531 chipset</span>
<a name="l00419"></a>00419 <span class="keywordflow">if</span> (nc == NC_PN531) {
<a name="l00420"></a>00420 pnti->nai.abtAtqa[1] = *(pbtRawData++);
<a name="l00421"></a>00421 pnti->nai.abtAtqa[0] = *(pbtRawData++);
<a name="l00422"></a>00422 } <span class="keywordflow">else</span> {
<a name="l00423"></a>00423 pnti->nai.abtAtqa[0] = *(pbtRawData++);
<a name="l00424"></a>00424 pnti->nai.abtAtqa[1] = *(pbtRawData++);
<a name="l00425"></a>00425 }
<a name="l00426"></a>00426 pnti->nai.btSak = *(pbtRawData++);
<a name="l00427"></a>00427 <span class="comment">// Copy the NFCID1</span>
<a name="l00428"></a>00428 pnti->nai.szUidLen = *(pbtRawData++);
<a name="l00429"></a>00429 memcpy (pnti->nai.abtUid, pbtRawData, pnti->nai.szUidLen);
<a name="l00430"></a>00430 pbtRawData += pnti->nai.szUidLen;
<a name="l00431"></a>00431
<a name="l00432"></a>00432 <span class="comment">// Did we received an optional ATS (Smardcard ATR)</span>
<a name="l00433"></a>00433 <span class="keywordflow">if</span> (szRawData > (pnti->nai.szUidLen + 5)) {
<a name="l00434"></a>00434 pnti->nai.szAtsLen = ((*(pbtRawData++)) - 1); <span class="comment">// In pbtRawData, ATS Length byte is counted in ATS Frame.</span>
<a name="l00435"></a>00435 memcpy (pnti->nai.abtAts, pbtRawData, pnti->nai.szAtsLen);
<a name="l00436"></a>00436 } <span class="keywordflow">else</span> {
<a name="l00437"></a>00437 pnti->nai.szAtsLen = 0;
<a name="l00438"></a>00438 }
<a name="l00439"></a>00439
<a name="l00440"></a>00440 <span class="comment">// Strip CT (Cascade Tag) to retrieve and store the _real_ UID</span>
<a name="l00441"></a>00441 <span class="comment">// (e.g. 0x8801020304050607 is in fact 0x01020304050607)</span>
<a name="l00442"></a>00442 <span class="keywordflow">if</span> ((pnti->nai.szUidLen == 8) && (pnti->nai.abtUid[0] == 0x88)) {
<a name="l00443"></a>00443 pnti->nai.szUidLen = 7;
<a name="l00444"></a>00444 memmove (pnti->nai.abtUid, pnti->nai.abtUid + 1, 7);
<a name="l00445"></a>00445 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((pnti->nai.szUidLen == 12) && (pnti->nai.abtUid[0] == 0x88) && (pnti->nai.abtUid[4] == 0x88)) {
<a name="l00446"></a>00446 pnti->nai.szUidLen = 10;
<a name="l00447"></a>00447 memmove (pnti->nai.abtUid, pnti->nai.abtUid + 1, 3);
<a name="l00448"></a>00448 memmove (pnti->nai.abtUid + 3, pnti->nai.abtUid + 5, 7);
<a name="l00449"></a>00449 }
<a name="l00450"></a>00450 <span class="keywordflow">break</span>;
<a name="l00451"></a>00451
<a name="l00452"></a>00452 <span class="keywordflow">case</span> NMT_ISO14443B:
<a name="l00453"></a>00453 <span class="comment">// We skip the first byte: its the target number (Tg)</span>
<a name="l00454"></a>00454 pbtRawData++;
<a name="l00455"></a>00455
<a name="l00456"></a>00456 <span class="comment">// Now we are in ATQB, we skip the first ATQB byte always equal to 0x50</span>
<a name="l00457"></a>00457 pbtRawData++;
<a name="l00458"></a>00458
<a name="l00459"></a>00459 <span class="comment">// Store the PUPI (Pseudo-Unique PICC Identifier)</span>
<a name="l00460"></a>00460 memcpy (pnti->nbi.<a class="code" href="structnfc__iso14443b__info__t.html#a67e4c0fedc9b14335472c9fb66595f8b">abtPupi</a>, pbtRawData, 4);
<a name="l00461"></a>00461 pbtRawData += 4;
<a name="l00462"></a>00462
<a name="l00463"></a>00463 <span class="comment">// Store the Application Data</span>
<a name="l00464"></a>00464 memcpy (pnti->nbi.<a class="code" href="structnfc__iso14443b__info__t.html#af4530a49afeef78db37e54ce7c6ac818">abtApplicationData</a>, pbtRawData, 4);
<a name="l00465"></a>00465 pbtRawData += 4;
<a name="l00466"></a>00466
<a name="l00467"></a>00467 <span class="comment">// Store the Protocol Info</span>
<a name="l00468"></a>00468 memcpy (pnti->nbi.<a class="code" href="structnfc__iso14443b__info__t.html#a8a939b66c21750b7f3b26e5011191dce">abtProtocolInfo</a>, pbtRawData, 3);
<a name="l00469"></a>00469 pbtRawData += 3;
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <span class="comment">// We leave the ATQB field, we now enter in Card IDentifier</span>
<a name="l00472"></a>00472 szAttribRes = *(pbtRawData++);
<a name="l00473"></a>00473 <span class="keywordflow">if</span> (szAttribRes) {
<a name="l00474"></a>00474 pnti->nbi.<a class="code" href="structnfc__iso14443b__info__t.html#a4606f16adad87073d8800259136ad33f">ui8CardIdentifier</a> = *(pbtRawData++);
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476 <span class="keywordflow">break</span>;
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="keywordflow">case</span> NMT_FELICA:
<a name="l00479"></a>00479 <span class="comment">// We skip the first byte: its the target number (Tg)</span>
<a name="l00480"></a>00480 pbtRawData++;
<a name="l00481"></a>00481
<a name="l00482"></a>00482 <span class="comment">// Store the mandatory info</span>
<a name="l00483"></a>00483 pnti->nfi.szLen = *(pbtRawData++);
<a name="l00484"></a>00484 pnti->nfi.btResCode = *(pbtRawData++);
<a name="l00485"></a>00485 <span class="comment">// Copy the NFCID2t</span>
<a name="l00486"></a>00486 memcpy (pnti->nfi.abtId, pbtRawData, 8);
<a name="l00487"></a>00487 pbtRawData += 8;
<a name="l00488"></a>00488 <span class="comment">// Copy the felica padding</span>
<a name="l00489"></a>00489 memcpy (pnti->nfi.abtPad, pbtRawData, 8);
<a name="l00490"></a>00490 pbtRawData += 8;
<a name="l00491"></a>00491 <span class="comment">// Test if the System code (SYST_CODE) is available</span>
<a name="l00492"></a>00492 <span class="keywordflow">if</span> (pnti->nfi.szLen > 18) {
<a name="l00493"></a>00493 memcpy (pnti->nfi.abtSysCode, pbtRawData, 2);
<a name="l00494"></a>00494 }
<a name="l00495"></a>00495 <span class="keywordflow">break</span>;
<a name="l00496"></a>00496 <span class="keywordflow">case</span> NMT_JEWEL:
<a name="l00497"></a>00497 <span class="comment">// We skip the first byte: its the target number (Tg)</span>
<a name="l00498"></a>00498 pbtRawData++;
<a name="l00499"></a>00499
<a name="l00500"></a>00500 <span class="comment">// Store the mandatory info</span>
<a name="l00501"></a>00501 memcpy (pnti->nji.btSensRes, pbtRawData, 2);
<a name="l00502"></a>00502 pbtRawData += 2;
<a name="l00503"></a>00503 memcpy (pnti->nji.btId, pbtRawData, 4);
<a name="l00504"></a>00504 <span class="keywordflow">break</span>;
<a name="l00505"></a>00505 <span class="keywordflow">default</span>:
<a name="l00506"></a>00506 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00507"></a>00507 <span class="keywordflow">break</span>;
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00510"></a>00510 }
<a name="l00511"></a>00511
<a name="l00512"></a>00512 <span class="keywordtype">bool</span>
<a name="l00513"></a>00513 pn53x_initiator_select_passive_target (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00514"></a>00514 <span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm,
<a name="l00515"></a>00515 <span class="keyword">const</span> byte_t * pbtInitData, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szInitData,
<a name="l00516"></a>00516 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> * pnt)
<a name="l00517"></a>00517 {
<a name="l00518"></a>00518 <span class="keywordtype">size_t</span> szTargetsData;
<a name="l00519"></a>00519 byte_t abtTargetsData[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l00520"></a>00520
<a name="l00521"></a>00521 <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776" title="NFC modulation.">pn53x_modulation_t</a> pm = pn53x_nm_to_pm(nm);
<a name="l00522"></a>00522 <span class="keywordflow">if</span> (<a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a1b86f958cc35d323aba6a2b30ef8c41f">PM_UNDEFINED</a> == pm) {
<a name="l00523"></a>00523 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l00524"></a>00524 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00525"></a>00525 }
<a name="l00526"></a>00526 <span class="keywordflow">if</span> (!pn53x_InListPassiveTarget (pnd, pm, 1, pbtInitData, szInitData, abtTargetsData, &szTargetsData))
<a name="l00527"></a>00527 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00528"></a>00528
<a name="l00529"></a>00529 <span class="comment">// Make sure one tag has been found, the PN53X returns 0x00 if none was available</span>
<a name="l00530"></a>00530 <span class="keywordflow">if</span> (abtTargetsData[0] == 0)
<a name="l00531"></a>00531 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00532"></a>00532
<a name="l00533"></a>00533 <span class="comment">// Is a tag info struct available</span>
<a name="l00534"></a>00534 <span class="keywordflow">if</span> (pnt) {
<a name="l00535"></a>00535 pnt->nm = nm;
<a name="l00536"></a>00536 <span class="comment">// Fill the tag info struct with the values corresponding to this init modulation</span>
<a name="l00537"></a>00537 <span class="keywordflow">if</span> (!pn53x_decode_target_data (abtTargetsData + 1, szTargetsData - 1, pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a>, nm.nmt, &(pnt->nti))) {
<a name="l00538"></a>00538 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540 }
<a name="l00541"></a>00541 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00542"></a>00542 }
<a name="l00543"></a>00543
<a name="l00544"></a>00544 <span class="keywordtype">bool</span>
<a name="l00545"></a>00545 pn53x_initiator_poll_targets (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00546"></a>00546 <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="l00547"></a>00547 <span class="keyword">const</span> byte_t btPollNr, <span class="keyword">const</span> byte_t btPeriod,
<a name="l00548"></a>00548 <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="l00549"></a>00549 {
<a name="l00550"></a>00550 <span class="keywordtype">size_t</span> szTargetTypes = 0;
<a name="l00551"></a>00551 <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466" title="NFC target type enumeration.">pn53x_target_type_t</a> apttTargetTypes[32];
<a name="l00552"></a>00552 <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> n=0; n<szModulations; n++) {
<a name="l00553"></a>00553 <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466" title="NFC target type enumeration.">pn53x_target_type_t</a> ptt = pn53x_nm_to_ptt(pnmModulations[n]);
<a name="l00554"></a>00554 <span class="keywordflow">if</span> (<a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a4160ac4479fc43554c2ee8d5cd4a3634">PTT_UNDEFINED</a> == ptt) {
<a name="l00555"></a>00555 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l00556"></a>00556 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00557"></a>00557 }
<a name="l00558"></a>00558 apttTargetTypes[szTargetTypes] = ptt;
<a name="l00559"></a>00559 <span class="keywordflow">if</span> ((pnd-><a class="code" href="structnfc__device__t.html#aa9961deed081691365bb58fd4ff1c1b2">bAutoIso14443_4</a>) && (ptt == <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466accdb2084e55f727e0606e2331f95b89c">PTT_MIFARE</a>)) { <span class="comment">// Hack to have ATS</span>
<a name="l00560"></a>00560 apttTargetTypes[szTargetTypes] = <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a3371859dca06604026affa701f058ce0">PTT_ISO14443_4A_106</a>;
<a name="l00561"></a>00561 szTargetTypes++;
<a name="l00562"></a>00562 apttTargetTypes[szTargetTypes] = <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466accdb2084e55f727e0606e2331f95b89c">PTT_MIFARE</a>;
<a name="l00563"></a>00563 }
<a name="l00564"></a>00564 szTargetTypes++;
<a name="l00565"></a>00565 }
<a name="l00566"></a>00566
<a name="l00567"></a>00567 <span class="keywordflow">return</span> pn53x_InAutoPoll (pnd, apttTargetTypes, szTargetTypes, btPollNr, btPeriod, pntTargets, pszTargetFound);
<a name="l00568"></a>00568 }
<a name="l00569"></a>00569
<a name="l00570"></a>00570
<a name="l00585"></a>00585 <span class="keywordtype">bool</span>
<a name="l00586"></a>00586 pn53x_InListPassiveTarget (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00587"></a>00587 <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776" title="NFC modulation.">pn53x_modulation_t</a> pmInitModulation, <span class="keyword">const</span> byte_t szMaxTargets,
<a name="l00588"></a>00588 <span class="keyword">const</span> byte_t * pbtInitiatorData, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szInitiatorData,
<a name="l00589"></a>00589 byte_t * pbtTargetsData, <span class="keywordtype">size_t</span> * pszTargetsData)
<a name="l00590"></a>00590 {
<a name="l00591"></a>00591 <span class="keywordtype">size_t</span> szRx;
<a name="l00592"></a>00592 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_initiator_list_passive)];
<a name="l00593"></a>00593 memcpy (abtCmd, pncmd_initiator_list_passive, <span class="keyword">sizeof</span> (pncmd_initiator_list_passive));
<a name="l00594"></a>00594
<a name="l00595"></a>00595 abtCmd[2] = szMaxTargets; <span class="comment">// MaxTg</span>
<a name="l00596"></a>00596
<a name="l00597"></a>00597 <span class="comment">// XXX Is there is a better way to do handle supported modulations ?</span>
<a name="l00598"></a>00598 <span class="keywordflow">switch</span>(pmInitModulation) {
<a name="l00599"></a>00599 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a87b4b5283f2908af4cd6847c98c01af2">PM_ISO14443A_106</a>:
<a name="l00600"></a>00600 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a3a877f1eddd3f50aa185eb8bc74d8378">PM_FELICA_212</a>:
<a name="l00601"></a>00601 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a0d173fe81bde95eb6a7b9a9e487713bc">PM_FELICA_424</a>:
<a name="l00602"></a>00602 <span class="comment">// all gone fine.</span>
<a name="l00603"></a>00603 <span class="keywordflow">break</span>;
<a name="l00604"></a>00604 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776addf15ec37f6e40fa209a8bd9b8701d8f">PM_ISO14443B_106</a>:
<a name="l00605"></a>00605 <span class="keywordflow">if</span> (!(pnd-><a class="code" href="structnfc__device__t.html#a956ae1ef5582f5a2827d196c864b309d">btSupportByte</a> & SUPPORT_ISO14443B)) {
<a name="l00606"></a>00606 <span class="comment">// Eg. Some PN532 doesn't support type B!</span>
<a name="l00607"></a>00607 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l00608"></a>00608 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00609"></a>00609 }
<a name="l00610"></a>00610 <span class="keywordflow">break</span>;
<a name="l00611"></a>00611 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a3babb4a226cdb7bdc7d594e5d0e43edd">PM_JEWEL_106</a>:
<a name="l00612"></a>00612 <span class="keywordflow">if</span>(pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a> == NC_PN531) {
<a name="l00613"></a>00613 <span class="comment">// These modulations are not supported by pn531</span>
<a name="l00614"></a>00614 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l00615"></a>00615 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00616"></a>00616 }
<a name="l00617"></a>00617 <span class="keywordflow">break</span>;
<a name="l00618"></a>00618 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776ae4077ede2dcb630e37cb901ff990af30">PM_ISO14443B_212</a>:
<a name="l00619"></a>00619 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a1413e1b968c815ecb0c2d0082728a412">PM_ISO14443B_424</a>:
<a name="l00620"></a>00620 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a804037230dc6fa23104556a353a89171">PM_ISO14443B_847</a>:
<a name="l00621"></a>00621 <span class="keywordflow">if</span>((pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a> != NC_PN533) || (!(pnd-><a class="code" href="structnfc__device__t.html#a956ae1ef5582f5a2827d196c864b309d">btSupportByte</a> & SUPPORT_ISO14443B))) {
<a name="l00622"></a>00622 <span class="comment">// These modulations are not supported by pn531 neither pn532</span>
<a name="l00623"></a>00623 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l00624"></a>00624 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00625"></a>00625 }
<a name="l00626"></a>00626 <span class="keywordflow">break</span>;
<a name="l00627"></a>00627 <span class="keywordflow">default</span>:
<a name="l00628"></a>00628 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l00629"></a>00629 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00630"></a>00630 }
<a name="l00631"></a>00631 abtCmd[3] = pmInitModulation; <span class="comment">// BrTy, the type of init modulation used for polling a passive tag</span>
<a name="l00632"></a>00632
<a name="l00633"></a>00633 <span class="comment">// Set the optional initiator data (used for Felica, ISO14443B, Topaz Polling or for ISO14443A selecting a specific UID).</span>
<a name="l00634"></a>00634 <span class="keywordflow">if</span> (pbtInitiatorData)
<a name="l00635"></a>00635 memcpy (abtCmd + 4, pbtInitiatorData, szInitiatorData);
<a name="l00636"></a>00636
<a name="l00637"></a>00637 <span class="comment">// Try to find a tag, call the tranceive callback function of the current device</span>
<a name="l00638"></a>00638 szRx = PN53x_EXTENDED_FRAME_MAX_LEN;
<a name="l00639"></a>00639 <span class="keywordflow">if</span> (pn53x_transceive (pnd, abtCmd, 4 + szInitiatorData, pbtTargetsData, &szRx)) {
<a name="l00640"></a>00640 *pszTargetsData = szRx;
<a name="l00641"></a>00641 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00642"></a>00642 } <span class="keywordflow">else</span> {
<a name="l00643"></a>00643 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00644"></a>00644 }
<a name="l00645"></a>00645 }
<a name="l00646"></a>00646
<a name="l00647"></a>00647 <span class="keywordtype">bool</span>
<a name="l00648"></a>00648 pn53x_InDeselect (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> uint8_t ui8Target)
<a name="l00649"></a>00649 {
<a name="l00650"></a>00650 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_initiator_deselect)];
<a name="l00651"></a>00651 memcpy (abtCmd, pncmd_initiator_deselect, <span class="keyword">sizeof</span> (pncmd_initiator_deselect));
<a name="l00652"></a>00652 abtCmd[2] = ui8Target;
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="keywordflow">return</span> (pn53x_transceive (pnd, abtCmd, <span class="keyword">sizeof</span> (abtCmd), NULL, NULL));
<a name="l00655"></a>00655 }
<a name="l00656"></a>00656
<a name="l00657"></a>00657 <span class="keywordtype">bool</span>
<a name="l00658"></a>00658 pn53x_InRelease (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keyword">const</span> uint8_t ui8Target)
<a name="l00659"></a>00659 {
<a name="l00660"></a>00660 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_initiator_release)];
<a name="l00661"></a>00661 memcpy (abtCmd, pncmd_initiator_release, <span class="keyword">sizeof</span> (pncmd_initiator_release));
<a name="l00662"></a>00662 abtCmd[2] = ui8Target;
<a name="l00663"></a>00663
<a name="l00664"></a>00664 <span class="keywordflow">return</span> (pn53x_transceive (pnd, abtCmd, <span class="keyword">sizeof</span> (abtCmd), NULL, NULL));
<a name="l00665"></a>00665 }
<a name="l00666"></a>00666
<a name="l00667"></a>00667 <span class="keywordtype">bool</span>
<a name="l00668"></a>00668 pn53x_InAutoPoll (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00669"></a>00669 <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466" title="NFC target type enumeration.">pn53x_target_type_t</a> * ppttTargetTypes, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szTargetTypes,
<a name="l00670"></a>00670 <span class="keyword">const</span> byte_t btPollNr, <span class="keyword">const</span> byte_t btPeriod, <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="l00671"></a>00671 {
<a name="l00672"></a>00672 <span class="keywordtype">size_t</span> szTxInAutoPoll,
<a name="l00673"></a>00673 n;
<a name="l00674"></a>00674 byte_t abtRx[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l00675"></a>00675 <span class="keywordtype">size_t</span> szRx = PN53x_EXTENDED_FRAME_MAX_LEN;
<a name="l00676"></a>00676 <span class="keywordtype">bool</span> res;
<a name="l00677"></a>00677 byte_t *pbtTxInAutoPoll;
<a name="l00678"></a>00678
<a name="l00679"></a>00679 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a> != NC_PN532) {
<a name="l00680"></a>00680 <span class="comment">// This function is not supported by pn531 neither pn533</span>
<a name="l00681"></a>00681 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l00682"></a>00682 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00683"></a>00683 }
<a name="l00684"></a>00684 <span class="comment">// InAutoPoll frame looks like this { 0xd4, 0x60, 0x0f, 0x01, 0x00 } => { direction, command, pollnr, period, types... }</span>
<a name="l00685"></a>00685 szTxInAutoPoll = 4 + szTargetTypes;
<a name="l00686"></a>00686 pbtTxInAutoPoll = malloc (szTxInAutoPoll);
<a name="l00687"></a>00687 pbtTxInAutoPoll[0] = 0xd4;
<a name="l00688"></a>00688 pbtTxInAutoPoll[1] = 0x60;
<a name="l00689"></a>00689 pbtTxInAutoPoll[2] = btPollNr;
<a name="l00690"></a>00690 pbtTxInAutoPoll[3] = btPeriod;
<a name="l00691"></a>00691 <span class="keywordflow">for</span> (n = 0; n < szTargetTypes; n++) {
<a name="l00692"></a>00692 pbtTxInAutoPoll[4 + n] = ppttTargetTypes[n];
<a name="l00693"></a>00693 }
<a name="l00694"></a>00694
<a name="l00695"></a>00695 szRx = PN53x_EXTENDED_FRAME_MAX_LEN;
<a name="l00696"></a>00696 res = pn53x_transceive (pnd, pbtTxInAutoPoll, szTxInAutoPoll, abtRx, &szRx);
<a name="l00697"></a>00697
<a name="l00698"></a>00698 <span class="keywordflow">if</span> ((szRx == 0) || (res == <span class="keyword">false</span>)) {
<a name="l00699"></a>00699 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00700"></a>00700 } <span class="keywordflow">else</span> {
<a name="l00701"></a>00701 *pszTargetFound = abtRx[0];
<a name="l00702"></a>00702 <span class="keywordflow">if</span> (*pszTargetFound) {
<a name="l00703"></a>00703 uint8_t ln;
<a name="l00704"></a>00704 byte_t *pbt = abtRx + 1;
<a name="l00705"></a>00705 <span class="comment">/* 1st target */</span>
<a name="l00706"></a>00706 <span class="comment">// Target type</span>
<a name="l00707"></a>00707 <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466" title="NFC target type enumeration.">pn53x_target_type_t</a> ptt = *(pbt++);
<a name="l00708"></a>00708 pntTargets[0].nm = pn53x_ptt_to_nm(ptt);
<a name="l00709"></a>00709 <span class="comment">// AutoPollTargetData length</span>
<a name="l00710"></a>00710 ln = *(pbt++);
<a name="l00711"></a>00711 pn53x_decode_target_data (pbt, ln, pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a>, pntTargets[0].nm.nmt, &(pntTargets[0].nti));
<a name="l00712"></a>00712 pbt += ln;
<a name="l00713"></a>00713
<a name="l00714"></a>00714 <span class="keywordflow">if</span> (abtRx[0] > 1) {
<a name="l00715"></a>00715 <span class="comment">/* 2nd target */</span>
<a name="l00716"></a>00716 <span class="comment">// Target type</span>
<a name="l00717"></a>00717 ptt = *(pbt++);
<a name="l00718"></a>00718 pntTargets[1].nm = pn53x_ptt_to_nm(ptt);
<a name="l00719"></a>00719 <span class="comment">// AutoPollTargetData length</span>
<a name="l00720"></a>00720 ln = *(pbt++);
<a name="l00721"></a>00721 pn53x_decode_target_data (pbt, ln, pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a>, pntTargets[1].nm.nmt, &(pntTargets[1].nti));
<a name="l00722"></a>00722 }
<a name="l00723"></a>00723 }
<a name="l00724"></a>00724 }
<a name="l00725"></a>00725 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00726"></a>00726 }
<a name="l00727"></a>00727
<a name="l00728"></a>00728 <span class="keyword">static</span> <span class="keyword">struct </span>sErrorMessage {
<a name="l00729"></a>00729 <span class="keywordtype">int</span> iErrorCode;
<a name="l00730"></a>00730 <span class="keyword">const</span> <span class="keywordtype">char</span> *pcErrorMsg;
<a name="l00731"></a>00731 } sErrorMessages[] = {
<a name="l00732"></a>00732 <span class="comment">/* Chip-level errors */</span>
<a name="l00733"></a>00733 { 0x00, <span class="stringliteral">"Success"</span> },
<a name="l00734"></a>00734 { ETIMEOUT, <span class="stringliteral">"Timeout"</span> }, <span class="comment">// Time Out, the target has not answered</span>
<a name="l00735"></a>00735 { ECRC, <span class="stringliteral">"CRC Error"</span> }, <span class="comment">// A CRC error has been detected by the CIU</span>
<a name="l00736"></a>00736 { EPARITY, <span class="stringliteral">"Parity Error"</span> }, <span class="comment">// A Parity error has been detected by the CIU</span>
<a name="l00737"></a>00737 { EBITCOUNT, <span class="stringliteral">"Erroneous Bit Count"</span> }, <span class="comment">// During an anti-collision/select operation (ISO/IEC14443-3 Type A and ISO/IEC18092 106 kbps passive mode), an erroneous Bit Count has been detected</span>
<a name="l00738"></a>00738 { EFRAMING, <span class="stringliteral">"Framing Error"</span> }, <span class="comment">// Framing error during MIFARE operation</span>
<a name="l00739"></a>00739 { EBITCOLL, <span class="stringliteral">"Bit-collision"</span> }, <span class="comment">// An abnormal bit-collision has been detected during bit wise anti-collision at 106 kbps</span>
<a name="l00740"></a>00740 { ESMALLBUF, <span class="stringliteral">"Communication Buffer Too Small"</span> }, <span class="comment">// Communication buffer size insufficient</span>
<a name="l00741"></a>00741 { EBUFOVF, <span class="stringliteral">"Buffer Overflow"</span> }, <span class="comment">// RF Buffer overflow has been detected by the CIU (bit BufferOvfl of the register CIU_Error)</span>
<a name="l00742"></a>00742 { ERFTIMEOUT, <span class="stringliteral">"RF Timeout"</span> }, <span class="comment">// In active communication mode, the RF field has not been switched on in time by the counterpart (as defined in NFCIP-1 standard)</span>
<a name="l00743"></a>00743 { ERFPROTO, <span class="stringliteral">"RF Protocol Error"</span> }, <span class="comment">// RF Protocol error (see PN53x manual)</span>
<a name="l00744"></a>00744 { EOVHEAT, <span class="stringliteral">"Chip Overheating"</span> }, <span class="comment">// Temperature error: the internal temperature sensor has detected overheating, and therefore has automatically switched off the antenna drivers</span>
<a name="l00745"></a>00745 { EINBUFOVF, <span class="stringliteral">"Internal Buffer overflow."</span>}, <span class="comment">// Internal buffer overflow</span>
<a name="l00746"></a>00746 { EINVPARAM, <span class="stringliteral">"Invalid Parameter"</span>}, <span class="comment">// Invalid parameter (range, format, …)</span>
<a name="l00747"></a>00747 <span class="comment">/* DEP Errors */</span>
<a name="l00748"></a>00748 { EDEPUNKCMD, <span class="stringliteral">"Unknown DEP Command"</span> },
<a name="l00749"></a>00749 <span class="comment">/* MIFARE */</span>
<a name="l00750"></a>00750 { EMFAUTH, <span class="stringliteral">"Mifare Authentication Error"</span> },
<a name="l00751"></a>00751 <span class="comment">/* */</span>
<a name="l00752"></a>00752 { EINVRXFRAM, <span class="stringliteral">"Invalid Received Frame"</span> }, <span class="comment">// DEP Protocol, Mifare or ISO/IEC14443-4: The data format does not match to the specification.</span>
<a name="l00753"></a>00753 { ENSECNOTSUPP, <span class="stringliteral">"NFC Secure not supported"</span> }, <span class="comment">// Target or Initiator does not support NFC Secure</span>
<a name="l00754"></a>00754 { EBCC, <span class="stringliteral">"Wrong UID Check Byte (BCC)"</span> }, <span class="comment">// ISO/IEC14443-3: UID Check byte is wrong</span>
<a name="l00755"></a>00755 { EDEPINVSTATE, <span class="stringliteral">"Invalid DEP State"</span> }, <span class="comment">// DEP Protocol: Invalid device state, the system is in a state which does not allow the operation</span>
<a name="l00756"></a>00756 { EOPNOTALL, <span class="stringliteral">"Operation Not Allowed"</span> }, <span class="comment">// Operation not allowed in this configuration (host controller interface)</span>
<a name="l00757"></a>00757 { ECMD, <span class="stringliteral">"Command Not Acceptable"</span> }, <span class="comment">// Command is not acceptable due to the current context</span>
<a name="l00758"></a>00758 { ETGREL, <span class="stringliteral">"Target Released"</span> }, <span class="comment">// Target have been released by initiator</span>
<a name="l00759"></a>00759 <span class="comment">// FIXME: Errors can be grouped (DEP-related, MIFARE-related, ISO14443B-related, etc.)</span>
<a name="l00760"></a>00760 <span class="comment">// Purposal: Use prefix/suffix to identify them</span>
<a name="l00761"></a>00761 { ECID, <span class="stringliteral">"Card ID Mismatch"</span> }, <span class="comment">// ISO14443 type B: Card ID mismatch, meaning that the expected card has been exchanged with another one.</span>
<a name="l00762"></a>00762 { ECDISCARDED, <span class="stringliteral">"Card Discarded"</span> }, <span class="comment">// ISO/IEC14443 type B: the card previously activated has disappeared.</span>
<a name="l00763"></a>00763 { ENFCID3, <span class="stringliteral">"NFCID3 Mismatch"</span> },
<a name="l00764"></a>00764 { EOVCURRENT, <span class="stringliteral">"Over Current"</span> },
<a name="l00765"></a>00765 { ENAD, <span class="stringliteral">"NAD Missing in DEP Frame"</span> },
<a name="l00766"></a>00766 <span class="comment">/* Software level errors */</span>
<a name="l00767"></a>00767 { ETGUIDNOTSUP, <span class="stringliteral">"Target UID not supported"</span> }, <span class="comment">// In target mode, PN53x only support 4 bytes UID and the first byte must start with 0x08</span>
<a name="l00768"></a>00768 <span class="comment">/* Driver-level errors */</span>
<a name="l00769"></a>00769 { DENACK, <span class="stringliteral">"Received NACK"</span> },
<a name="l00770"></a>00770 { DEACKMISMATCH, <span class="stringliteral">"Expected ACK/NACK"</span> },
<a name="l00771"></a>00771 { DEISERRFRAME, <span class="stringliteral">"Received an error frame"</span> },
<a name="l00772"></a>00772 <span class="comment">// TODO: Move me in more generic code for libnfc 1.6</span>
<a name="l00773"></a>00773 <span class="comment">// FIXME: Driver-errors and Device-errors have the same prefix (DE*)</span>
<a name="l00774"></a>00774 <span class="comment">// eg. DENACK means Driver Error NACK while DEIO means Device Error I/O</span>
<a name="l00775"></a>00775 { DEINVAL, <span class="stringliteral">"Invalid argument"</span> },
<a name="l00776"></a>00776 { DEIO, <span class="stringliteral">"Input/output error"</span> },
<a name="l00777"></a>00777 { DETIMEOUT, <span class="stringliteral">"Operation timed-out"</span> },
<a name="l00778"></a>00778 { DENOTSUP, <span class="stringliteral">"Operation not supported"</span> }
<a name="l00779"></a>00779 };
<a name="l00780"></a>00780
<a name="l00781"></a>00781 <span class="keyword">const</span> <span class="keywordtype">char</span> *
<a name="l00782"></a>00782 pn53x_strerror (<span class="keyword">const</span> <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd)
<a name="l00783"></a>00783 {
<a name="l00784"></a>00784 <span class="keyword">const</span> <span class="keywordtype">char</span> *pcRes = <span class="stringliteral">"Unknown error"</span>;
<a name="l00785"></a>00785 <span class="keywordtype">size_t</span> i;
<a name="l00786"></a>00786
<a name="l00787"></a>00787 <span class="keywordflow">for</span> (i = 0; i < (<span class="keyword">sizeof</span> (sErrorMessages) / <span class="keyword">sizeof</span> (<span class="keyword">struct</span> sErrorMessage)); i++) {
<a name="l00788"></a>00788 <span class="keywordflow">if</span> (sErrorMessages[i].iErrorCode == pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a>) {
<a name="l00789"></a>00789 pcRes = sErrorMessages[i].pcErrorMsg;
<a name="l00790"></a>00790 <span class="keywordflow">break</span>;
<a name="l00791"></a>00791 }
<a name="l00792"></a>00792 }
<a name="l00793"></a>00793
<a name="l00794"></a>00794 <span class="keywordflow">return</span> pcRes;
<a name="l00795"></a>00795 }
<a name="l00796"></a>00796
<a name="l00797"></a>00797 <span class="keywordtype">bool</span>
<a name="l00798"></a>00798 pn53x_get_firmware_version (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <span class="keywordtype">char</span> abtFirmwareText[18])
<a name="l00799"></a>00799 {
<a name="l00800"></a>00800 byte_t abtFw[4];
<a name="l00801"></a>00801 <span class="keywordtype">size_t</span> szFwLen = <span class="keyword">sizeof</span> (abtFw);
<a name="l00802"></a>00802 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, pncmd_get_firmware_version, 2, abtFw, &szFwLen)) {
<a name="l00803"></a>00803 <span class="comment">// Failed to get firmware revision??, whatever...let's disconnect and clean up and return err</span>
<a name="l00804"></a>00804 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="l00805"></a>00805 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00806"></a>00806 }
<a name="l00807"></a>00807 <span class="comment">// Convert firmware info in text, PN531 gives 2 bytes info, but PN532 and PN533 gives 4</span>
<a name="l00808"></a>00808 <span class="keywordflow">switch</span> (pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a>) {
<a name="l00809"></a>00809 <span class="keywordflow">case</span> NC_PN531:
<a name="l00810"></a>00810 snprintf (abtFirmwareText, 18, <span class="stringliteral">"PN531 v%d.%d"</span>, abtFw[0], abtFw[1]);
<a name="l00811"></a>00811 pnd-><a class="code" href="structnfc__device__t.html#a956ae1ef5582f5a2827d196c864b309d">btSupportByte</a> = SUPPORT_ISO14443A | SUPPORT_ISO18092;
<a name="l00812"></a>00812 <span class="keywordflow">break</span>;
<a name="l00813"></a>00813 <span class="keywordflow">case</span> NC_PN532:
<a name="l00814"></a>00814 snprintf (abtFirmwareText, 18, <span class="stringliteral">"PN532 v%d.%d (0x%02x)"</span>, abtFw[1], abtFw[2], abtFw[3]);
<a name="l00815"></a>00815 pnd-><a class="code" href="structnfc__device__t.html#a956ae1ef5582f5a2827d196c864b309d">btSupportByte</a> = abtFw[3];
<a name="l00816"></a>00816 <span class="keywordflow">break</span>;
<a name="l00817"></a>00817 <span class="keywordflow">case</span> NC_PN533:
<a name="l00818"></a>00818 snprintf (abtFirmwareText, 18, <span class="stringliteral">"PN533 v%d.%d (0x%02x)"</span>, abtFw[1], abtFw[2], abtFw[3]);
<a name="l00819"></a>00819 pnd-><a class="code" href="structnfc__device__t.html#a956ae1ef5582f5a2827d196c864b309d">btSupportByte</a> = abtFw[3];
<a name="l00820"></a>00820 <span class="keywordflow">break</span>;
<a name="l00821"></a>00821 }
<a name="l00822"></a>00822 <span class="comment">// Be sure to have a null end of string</span>
<a name="l00823"></a>00823 abtFirmwareText[17] = <span class="charliteral">'\0'</span>;
<a name="l00824"></a>00824 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00825"></a>00825 }
<a name="l00826"></a>00826
<a name="l00827"></a>00827 <span class="keywordtype">bool</span>
<a name="l00828"></a>00828 pn53x_configure (<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="l00829"></a>00829 {
<a name="l00830"></a>00830 byte_t btValue;
<a name="l00831"></a>00831 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_rf_configure)];
<a name="l00832"></a>00832
<a name="l00833"></a>00833 memcpy (abtCmd, pncmd_rf_configure, <span class="keyword">sizeof</span> (pncmd_rf_configure));
<a name="l00834"></a>00834
<a name="l00835"></a>00835 <span class="comment">// Make sure we are dealing with a active device</span>
<a name="l00836"></a>00836 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ae89fdb258019e1c68073c31acc8a1367">bActive</a>)
<a name="l00837"></a>00837 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00838"></a>00838
<a name="l00839"></a>00839 <span class="keywordflow">switch</span> (ndo) {
<a name="l00840"></a>00840 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea34588e4870fcc10476151e27e8e97a74">NDO_HANDLE_CRC</a>:
<a name="l00841"></a>00841 <span class="comment">// Enable or disable automatic receiving/sending of CRC bytes</span>
<a name="l00842"></a>00842 <span class="comment">// TX and RX are both represented by the symbol 0x80</span>
<a name="l00843"></a>00843 btValue = (bEnable) ? 0x80 : 0x00;
<a name="l00844"></a>00844 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_TX_MODE, SYMBOL_TX_CRC_ENABLE, btValue))
<a name="l00845"></a>00845 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00846"></a>00846 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_RX_MODE, SYMBOL_RX_CRC_ENABLE, btValue))
<a name="l00847"></a>00847 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00848"></a>00848 pnd-><a class="code" href="structnfc__device__t.html#a7ce8e0b0e4be5f10074c9a552b5a945d">bCrc</a> = bEnable;
<a name="l00849"></a>00849 <span class="keywordflow">break</span>;
<a name="l00850"></a>00850
<a name="l00851"></a>00851 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea7c1f6097b2d2a1670f580de332c41596">NDO_HANDLE_PARITY</a>:
<a name="l00852"></a>00852 <span class="comment">// Handle parity bit by PN53X chip or parse it as data bit</span>
<a name="l00853"></a>00853 btValue = (bEnable) ? 0x00 : SYMBOL_PARITY_DISABLE;
<a name="l00854"></a>00854 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_MANUAL_RCV, SYMBOL_PARITY_DISABLE, btValue))
<a name="l00855"></a>00855 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00856"></a>00856 pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a> = bEnable;
<a name="l00857"></a>00857 <span class="keywordflow">break</span>;
<a name="l00858"></a>00858
<a name="l00859"></a>00859 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311eabb3413ff22c634f90298444e0fffed5f">NDO_EASY_FRAMING</a>:
<a name="l00860"></a>00860 pnd-><a class="code" href="structnfc__device__t.html#a3abc6b0a43eff03de706bfbf26b83d66">bEasyFraming</a> = bEnable;
<a name="l00861"></a>00861 <span class="keywordflow">break</span>;
<a name="l00862"></a>00862
<a name="l00863"></a>00863 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea932832c243c9448924de6e21aa622d07">NDO_ACTIVATE_FIELD</a>:
<a name="l00864"></a>00864 abtCmd[2] = RFCI_FIELD;
<a name="l00865"></a>00865 abtCmd[3] = (bEnable) ? 1 : 0;
<a name="l00866"></a>00866 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtCmd, 4, NULL, NULL))
<a name="l00867"></a>00867 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00868"></a>00868 <span class="keywordflow">break</span>;
<a name="l00869"></a>00869
<a name="l00870"></a>00870 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea7727d8aca77883ad234319a75994c8f5">NDO_ACTIVATE_CRYPTO1</a>:
<a name="l00871"></a>00871 btValue = (bEnable) ? SYMBOL_MF_CRYPTO1_ON : 0x00;
<a name="l00872"></a>00872 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_STATUS2, SYMBOL_MF_CRYPTO1_ON, btValue))
<a name="l00873"></a>00873 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00874"></a>00874 <span class="keywordflow">break</span>;
<a name="l00875"></a>00875
<a name="l00876"></a>00876 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ead179fd877ff1ba540f0425fa3547825d">NDO_INFINITE_SELECT</a>:
<a name="l00877"></a>00877 <span class="comment">// TODO Made some research around this point: </span>
<a name="l00878"></a>00878 <span class="comment">// timings could be tweak better than this, and maybe we can tweak timings</span>
<a name="l00879"></a>00879 <span class="comment">// to "gain" a sort-of hardware polling (ie. like PN532 does)</span>
<a name="l00880"></a>00880
<a name="l00881"></a>00881 <span class="comment">// Retry format: 0x00 means only 1 try, 0xff means infinite</span>
<a name="l00882"></a>00882 abtCmd[2] = RFCI_RETRY_SELECT;
<a name="l00883"></a>00883 abtCmd[3] = (bEnable) ? 0xff : 0x00; <span class="comment">// MxRtyATR, default: active = 0xff, passive = 0x02</span>
<a name="l00884"></a>00884 abtCmd[4] = (bEnable) ? 0xff : 0x00; <span class="comment">// MxRtyPSL, default: 0x01</span>
<a name="l00885"></a>00885 abtCmd[5] = (bEnable) ? 0xff : 0x00; <span class="comment">// MxRtyPassiveActivation, default: 0xff</span>
<a name="l00886"></a>00886 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtCmd, 6, NULL, NULL))
<a name="l00887"></a>00887 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00888"></a>00888 <span class="keywordflow">break</span>;
<a name="l00889"></a>00889
<a name="l00890"></a>00890 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311eaf11f5510dd7430ca8a1b7fe58c67273b">NDO_ACCEPT_INVALID_FRAMES</a>:
<a name="l00891"></a>00891 btValue = (bEnable) ? SYMBOL_RX_NO_ERROR : 0x00;
<a name="l00892"></a>00892 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_RX_MODE, SYMBOL_RX_NO_ERROR, btValue))
<a name="l00893"></a>00893 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00894"></a>00894 <span class="keywordflow">break</span>;
<a name="l00895"></a>00895
<a name="l00896"></a>00896 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea56833a5b8feb00e4d17a33c399fa7de6">NDO_ACCEPT_MULTIPLE_FRAMES</a>:
<a name="l00897"></a>00897 btValue = (bEnable) ? SYMBOL_RX_MULTIPLE : 0x00;
<a name="l00898"></a>00898 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_RX_MODE, SYMBOL_RX_MULTIPLE, btValue))
<a name="l00899"></a>00899 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00900"></a>00900 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00901"></a>00901 <span class="keywordflow">break</span>;
<a name="l00902"></a>00902
<a name="l00903"></a>00903 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311eae40c8c9da1c2e8d123948e03374a1c0c">NDO_AUTO_ISO14443_4</a>:
<a name="l00904"></a>00904 <span class="comment">// TODO Cache activated/disactivated options</span>
<a name="l00905"></a>00905 pnd-><a class="code" href="structnfc__device__t.html#aa9961deed081691365bb58fd4ff1c1b2">bAutoIso14443_4</a> = bEnable;
<a name="l00906"></a>00906 <span class="keywordflow">return</span> pn53x_set_parameter(pnd, PARAM_AUTO_RATS, bEnable);
<a name="l00907"></a>00907 <span class="keywordflow">break</span>;
<a name="l00908"></a>00908
<a name="l00909"></a>00909 <span class="keywordflow">case</span> <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea6dafbd16a163d494637d9d640cf3d8f1">NDO_FORCE_ISO14443_A</a>:
<a name="l00910"></a>00910 <span class="keywordflow">if</span>(!bEnable) {
<a name="l00911"></a>00911 <span class="comment">// Nothing to do</span>
<a name="l00912"></a>00912 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00913"></a>00913 }
<a name="l00914"></a>00914 <span class="comment">// Force pn53x to be in ISO14443-A mode</span>
<a name="l00915"></a>00915 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_TX_MODE, SYMBOL_TX_FRAMING, 0x00)) {
<a name="l00916"></a>00916 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00917"></a>00917 }
<a name="l00918"></a>00918 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_RX_MODE, SYMBOL_RX_FRAMING, 0x00)) {
<a name="l00919"></a>00919 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00920"></a>00920 }
<a name="l00921"></a>00921 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00922"></a>00922 <span class="keywordflow">break</span>;
<a name="l00923"></a>00923 }
<a name="l00924"></a>00924
<a name="l00925"></a>00925 <span class="comment">// When we reach this, the configuration is completed and succesful</span>
<a name="l00926"></a>00926 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00927"></a>00927 }
<a name="l00928"></a>00928
<a name="l00929"></a>00929 <span class="keywordtype">bool</span>
<a name="l00930"></a>00930 pn53x_initiator_select_dep_target(<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00931"></a>00931 <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="l00932"></a>00932 <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 name="l00933"></a>00933 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> * pnt)
<a name="l00934"></a>00934 {
<a name="l00935"></a>00935 <span class="keyword">const</span> byte_t abtPassiveInitiatorData[5] = { 0x00, 0xff, 0xff, 0x00, 0x00 }; <span class="comment">// Only for 212/424 kpbs: First 4 bytes shall be set like this according to NFCIP-1, last byte is TSN (Time Slot Number)</span>
<a name="l00936"></a>00936 <span class="keyword">const</span> byte_t * pbtPassiveInitiatorData = NULL;
<a name="l00937"></a>00937
<a name="l00938"></a>00938 <span class="keywordflow">switch</span> (nbr) {
<a name="l00939"></a>00939 <span class="keywordflow">case</span> NBR_212:
<a name="l00940"></a>00940 <span class="keywordflow">case</span> NBR_424:
<a name="l00941"></a>00941 <span class="comment">// Only use this predefined bytes array when we are at 212/424kbps</span>
<a name="l00942"></a>00942 pbtPassiveInitiatorData = abtPassiveInitiatorData;
<a name="l00943"></a>00943 <span class="keywordflow">break</span>;
<a name="l00944"></a>00944
<a name="l00945"></a>00945 <span class="keywordflow">default</span>:
<a name="l00946"></a>00946 <span class="comment">// Nothing to do</span>
<a name="l00947"></a>00947 <span class="keywordflow">break</span>;
<a name="l00948"></a>00948 }
<a name="l00949"></a>00949
<a name="l00950"></a>00950 <span class="keywordflow">if</span> (pndiInitiator) {
<a name="l00951"></a>00951 <span class="keywordflow">return</span> pn53x_InJumpForDEP (pnd, ndm, nbr, pbtPassiveInitiatorData, pndiInitiator-><a class="code" href="structnfc__dep__info__t.html#a0d97aacdd8b0c055219141f3d8ab30d8">abtNFCID3</a>, pndiInitiator-><a class="code" href="structnfc__dep__info__t.html#a1c00fd0176fe4085547df29d8185ad0a">abtGB</a>, pndiInitiator->szGB, pnt);
<a name="l00952"></a>00952 } <span class="keywordflow">else</span> {
<a name="l00953"></a>00953 <span class="keywordflow">return</span> pn53x_InJumpForDEP (pnd, ndm, nbr, pbtPassiveInitiatorData, NULL, NULL, 0, pnt);
<a name="l00954"></a>00954 }
<a name="l00955"></a>00955 }
<a name="l00956"></a>00956
<a name="l00967"></a>00967 <span class="keywordtype">bool</span>
<a name="l00968"></a><a class="code" href="pn53x_8h.html#a4f371e138ac254085fedc5482a08f45a">00968</a> pn53x_InJumpForDEP (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd,
<a name="l00969"></a>00969 <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,
<a name="l00970"></a>00970 <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="l00971"></a>00971 <span class="keyword">const</span> byte_t * pbtPassiveInitiatorData,
<a name="l00972"></a>00972 <span class="keyword">const</span> byte_t * pbtNFCID3i,
<a name="l00973"></a>00973 <span class="keyword">const</span> byte_t * pbtGBi, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szGBi,
<a name="l00974"></a>00974 <a class="code" href="structnfc__target__t.html" title="NFC target structure.">nfc_target_t</a> * pnt)
<a name="l00975"></a>00975 {
<a name="l00976"></a>00976 byte_t abtRx[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l00977"></a>00977 <span class="keywordtype">size_t</span> szRx;
<a name="l00978"></a>00978 <span class="keywordtype">size_t</span> offset;
<a name="l00979"></a>00979 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_initiator_jump_for_dep)];
<a name="l00980"></a>00980
<a name="l00981"></a>00981 memcpy (abtCmd, pncmd_initiator_jump_for_dep, <span class="keyword">sizeof</span> (pncmd_initiator_jump_for_dep));
<a name="l00982"></a>00982
<a name="l00983"></a>00983 offset = 5; <span class="comment">// 2 bytes for command, 1 byte for DEP mode (Active/Passive), 1 byte for baud rate, 1 byte for following parameters flag</span>
<a name="l00984"></a>00984 abtCmd[2] = (ndm == NDM_ACTIVE) ? 0x01 : 0x00;
<a name="l00985"></a>00985
<a name="l00986"></a>00986 <span class="keywordflow">switch</span> (nbr) {
<a name="l00987"></a>00987 <span class="keywordflow">case</span> NBR_106:
<a name="l00988"></a>00988 abtCmd[3] = 0x00; <span class="comment">// baud rate is 106 kbps</span>
<a name="l00989"></a>00989 <span class="keywordflow">break</span>;
<a name="l00990"></a>00990 <span class="keywordflow">case</span> NBR_212:
<a name="l00991"></a>00991 abtCmd[3] = 0x01; <span class="comment">// baud rate is 212 kbps</span>
<a name="l00992"></a>00992 <span class="keywordflow">break</span>;
<a name="l00993"></a>00993 <span class="keywordflow">case</span> NBR_424:
<a name="l00994"></a>00994 abtCmd[3] = 0x02; <span class="comment">// baud rate is 424 kbps</span>
<a name="l00995"></a>00995 <span class="keywordflow">break</span>;
<a name="l00996"></a>00996 <span class="keywordflow">case</span> NBR_847:
<a name="l00997"></a>00997 <span class="keywordflow">case</span> NBR_UNDEFINED:
<a name="l00998"></a>00998 <span class="comment">// XXX Maybe we should put a "syntax error" or sth like that</span>
<a name="l00999"></a>00999 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l01000"></a>01000 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01001"></a>01001 <span class="keywordflow">break</span>;
<a name="l01002"></a>01002 }
<a name="l01003"></a>01003
<a name="l01004"></a>01004 <span class="keywordflow">if</span> (pbtPassiveInitiatorData && (ndm == NDM_PASSIVE)) { <span class="comment">/* can't have passive initiator data when using active mode */</span>
<a name="l01005"></a>01005 <span class="keywordflow">switch</span> (nbr) {
<a name="l01006"></a>01006 <span class="keywordflow">case</span> NBR_106:
<a name="l01007"></a>01007 abtCmd[4] |= 0x01;
<a name="l01008"></a>01008 memcpy (abtCmd + offset, pbtPassiveInitiatorData, 4);
<a name="l01009"></a>01009 offset += 4;
<a name="l01010"></a>01010 <span class="keywordflow">break</span>;
<a name="l01011"></a>01011 <span class="keywordflow">case</span> NBR_212:
<a name="l01012"></a>01012 <span class="keywordflow">case</span> NBR_424:
<a name="l01013"></a>01013 abtCmd[4] |= 0x01;
<a name="l01014"></a>01014 memcpy (abtCmd + offset, pbtPassiveInitiatorData, 5);
<a name="l01015"></a>01015 offset += 5;
<a name="l01016"></a>01016 <span class="keywordflow">break</span>;
<a name="l01017"></a>01017 <span class="keywordflow">case</span> NBR_847:
<a name="l01018"></a>01018 <span class="keywordflow">case</span> NBR_UNDEFINED:
<a name="l01019"></a>01019 <span class="comment">// XXX Maybe we should put a "syntax error" or sth like that</span>
<a name="l01020"></a>01020 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l01021"></a>01021 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01022"></a>01022 <span class="keywordflow">break</span>;
<a name="l01023"></a>01023 }
<a name="l01024"></a>01024 }
<a name="l01025"></a>01025
<a name="l01026"></a>01026 <span class="keywordflow">if</span> (pbtNFCID3i) {
<a name="l01027"></a>01027 abtCmd[4] |= 0x02;
<a name="l01028"></a>01028 memcpy (abtCmd + offset, pbtNFCID3i, 10);
<a name="l01029"></a>01029 offset += 10;
<a name="l01030"></a>01030 }
<a name="l01031"></a>01031
<a name="l01032"></a>01032 <span class="keywordflow">if</span> (szGBi && pbtGBi) {
<a name="l01033"></a>01033 abtCmd[4] |= 0x04;
<a name="l01034"></a>01034 memcpy (abtCmd + offset, pbtGBi, szGBi);
<a name="l01035"></a>01035 offset += szGBi;
<a name="l01036"></a>01036 }
<a name="l01037"></a>01037 <span class="comment">// Try to find a target, call the transceive callback function of the current device</span>
<a name="l01038"></a>01038 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtCmd, offset, abtRx, &szRx))
<a name="l01039"></a>01039 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01040"></a>01040
<a name="l01041"></a>01041 <span class="comment">// Make sure one target has been found, the PN53X returns 0x00 if none was available</span>
<a name="l01042"></a>01042 <span class="keywordflow">if</span> (abtRx[1] != 1)
<a name="l01043"></a>01043 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01044"></a>01044
<a name="l01045"></a>01045 <span class="comment">// Is a target struct available</span>
<a name="l01046"></a>01046 <span class="keywordflow">if</span> (pnt) {
<a name="l01047"></a>01047 pnt->nm.nmt = NMT_DEP;
<a name="l01048"></a>01048 pnt->nm.nbr = nbr;
<a name="l01049"></a>01049 memcpy (pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a0d97aacdd8b0c055219141f3d8ab30d8">abtNFCID3</a>, abtRx + 2, 10);
<a name="l01050"></a>01050 pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a235abe51b19ed89820dfeb34e5114813">btDID</a> = abtRx[12];
<a name="l01051"></a>01051 pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a20f1717fe3fa072e7c509e64ec656bf3">btBS</a> = abtRx[13];
<a name="l01052"></a>01052 pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#afeff11cc453ea729f6402ff183eeec04">btBR</a> = abtRx[14];
<a name="l01053"></a>01053 pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#ae359367269d9dabf511a17b219d52997">btTO</a> = abtRx[15];
<a name="l01054"></a>01054 pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#ab2af941b1ee9d6d485eddec62b5d4102">btPP</a> = abtRx[16];
<a name="l01055"></a>01055 <span class="keywordflow">if</span>(szRx > 17) {
<a name="l01056"></a>01056 pnt->nti.ndi.szGB = szRx - 17;
<a name="l01057"></a>01057 memcpy (pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a1c00fd0176fe4085547df29d8185ad0a">abtGB</a>, abtRx + 17, pnt->nti.ndi.szGB);
<a name="l01058"></a>01058 } <span class="keywordflow">else</span> {
<a name="l01059"></a>01059 pnt->nti.ndi.szGB = 0;
<a name="l01060"></a>01060 }
<a name="l01061"></a>01061 }
<a name="l01062"></a>01062 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01063"></a>01063 }
<a name="l01064"></a>01064
<a name="l01065"></a>01065 <span class="keywordtype">bool</span>
<a name="l01066"></a>01066 pn53x_initiator_transceive_bits (<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,
<a name="l01067"></a>01067 <span class="keyword">const</span> byte_t * pbtTxPar, byte_t * pbtRx, <span class="keywordtype">size_t</span> * pszRxBits, byte_t * pbtRxPar)
<a name="l01068"></a>01068 {
<a name="l01069"></a>01069 byte_t abtRx[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l01070"></a>01070 <span class="keywordtype">size_t</span> szRx = PN53x_EXTENDED_FRAME_MAX_LEN;
<a name="l01071"></a>01071 <span class="keywordtype">size_t</span> szFrameBits = 0;
<a name="l01072"></a>01072 <span class="keywordtype">size_t</span> szFrameBytes = 0;
<a name="l01073"></a>01073 uint8_t ui8rcc;
<a name="l01074"></a>01074 uint8_t ui8Bits = 0;
<a name="l01075"></a>01075 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_initiator_exchange_raw_data)];
<a name="l01076"></a>01076
<a name="l01077"></a>01077 memcpy (abtCmd, pncmd_initiator_exchange_raw_data, <span class="keyword">sizeof</span> (pncmd_initiator_exchange_raw_data));
<a name="l01078"></a>01078
<a name="l01079"></a>01079 <span class="comment">// Check if we should prepare the parity bits ourself</span>
<a name="l01080"></a>01080 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>) {
<a name="l01081"></a>01081 <span class="comment">// Convert data with parity to a frame</span>
<a name="l01082"></a>01082 pn53x_wrap_frame (pbtTx, szTxBits, pbtTxPar, abtCmd + 2, &szFrameBits);
<a name="l01083"></a>01083 } <span class="keywordflow">else</span> {
<a name="l01084"></a>01084 szFrameBits = szTxBits;
<a name="l01085"></a>01085 }
<a name="l01086"></a>01086
<a name="l01087"></a>01087 <span class="comment">// Retrieve the leading bits</span>
<a name="l01088"></a>01088 ui8Bits = szFrameBits % 8;
<a name="l01089"></a>01089
<a name="l01090"></a>01090 <span class="comment">// Get the amount of frame bytes + optional (1 byte if there are leading bits) </span>
<a name="l01091"></a>01091 szFrameBytes = (szFrameBits / 8) + ((ui8Bits == 0) ? 0 : 1);
<a name="l01092"></a>01092
<a name="l01093"></a>01093 <span class="comment">// When the parity is handled before us, we just copy the data</span>
<a name="l01094"></a>01094 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>)
<a name="l01095"></a>01095 memcpy (abtCmd + 2, pbtTx, szFrameBytes);
<a name="l01096"></a>01096
<a name="l01097"></a>01097 <span class="comment">// Set the amount of transmission bits in the PN53X chip register</span>
<a name="l01098"></a>01098 <span class="keywordflow">if</span> (!pn53x_set_tx_bits (pnd, ui8Bits))
<a name="l01099"></a>01099 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01100"></a>01100
<a name="l01101"></a>01101 <span class="comment">// Send the frame to the PN53X chip and get the answer</span>
<a name="l01102"></a>01102 <span class="comment">// We have to give the amount of bytes + (the two command bytes 0xD4, 0x42)</span>
<a name="l01103"></a>01103 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtCmd, szFrameBytes + 2, abtRx, &szRx))
<a name="l01104"></a>01104 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01105"></a>01105
<a name="l01106"></a>01106 <span class="comment">// Get the last bit-count that is stored in the received byte </span>
<a name="l01107"></a>01107 <span class="keywordflow">if</span> (!pn53x_get_reg (pnd, REG_CIU_CONTROL, &ui8rcc))
<a name="l01108"></a>01108 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01109"></a>01109 ui8Bits = ui8rcc & SYMBOL_RX_LAST_BITS;
<a name="l01110"></a>01110
<a name="l01111"></a>01111 <span class="comment">// Recover the real frame length in bits</span>
<a name="l01112"></a>01112 szFrameBits = ((szRx - 1 - ((ui8Bits == 0) ? 0 : 1)) * 8) + ui8Bits;
<a name="l01113"></a>01113
<a name="l01114"></a>01114 <span class="comment">// Ignore the status byte from the PN53X here, it was checked earlier in pn53x_transceive()</span>
<a name="l01115"></a>01115 <span class="comment">// Check if we should recover the parity bits ourself</span>
<a name="l01116"></a>01116 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>) {
<a name="l01117"></a>01117 <span class="comment">// Unwrap the response frame</span>
<a name="l01118"></a>01118 pn53x_unwrap_frame (abtRx + 1, szFrameBits, pbtRx, pszRxBits, pbtRxPar);
<a name="l01119"></a>01119 } <span class="keywordflow">else</span> {
<a name="l01120"></a>01120 <span class="comment">// Save the received bits</span>
<a name="l01121"></a>01121 *pszRxBits = szFrameBits;
<a name="l01122"></a>01122 <span class="comment">// Copy the received bytes</span>
<a name="l01123"></a>01123 memcpy (pbtRx, abtRx + 1, szRx - 1);
<a name="l01124"></a>01124 }
<a name="l01125"></a>01125
<a name="l01126"></a>01126 <span class="comment">// Everything went successful</span>
<a name="l01127"></a>01127 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01128"></a>01128 }
<a name="l01129"></a>01129
<a name="l01130"></a>01130 <span class="keywordtype">bool</span>
<a name="l01131"></a>01131 pn53x_initiator_transceive_bytes (<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="l01132"></a>01132 <span class="keywordtype">size_t</span> * pszRx)
<a name="l01133"></a>01133 {
<a name="l01134"></a>01134 byte_t abtRx[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l01135"></a>01135 <span class="keywordtype">size_t</span> szRx = PN53x_EXTENDED_FRAME_MAX_LEN;
<a name="l01136"></a>01136 <span class="keywordtype">size_t</span> szExtraTxLen;
<a name="l01137"></a>01137 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_initiator_exchange_raw_data)];
<a name="l01138"></a>01138
<a name="l01139"></a>01139 <span class="comment">// We can not just send bytes without parity if while the PN53X expects we handled them</span>
<a name="l01140"></a>01140 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>)
<a name="l01141"></a>01141 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01142"></a>01142
<a name="l01143"></a>01143 <span class="comment">// Copy the data into the command frame</span>
<a name="l01144"></a>01144 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#a3abc6b0a43eff03de706bfbf26b83d66">bEasyFraming</a>) {
<a name="l01145"></a>01145 memcpy (abtCmd, pncmd_initiator_exchange_data, <span class="keyword">sizeof</span> (pncmd_initiator_exchange_data));
<a name="l01146"></a>01146 abtCmd[2] = 1; <span class="comment">/* target number */</span>
<a name="l01147"></a>01147 memcpy (abtCmd + 3, pbtTx, szTx);
<a name="l01148"></a>01148 szExtraTxLen = 3;
<a name="l01149"></a>01149 } <span class="keywordflow">else</span> {
<a name="l01150"></a>01150 memcpy (abtCmd, pncmd_initiator_exchange_raw_data, <span class="keyword">sizeof</span> (pncmd_initiator_exchange_raw_data));
<a name="l01151"></a>01151 memcpy (abtCmd + 2, pbtTx, szTx);
<a name="l01152"></a>01152 szExtraTxLen = 2;
<a name="l01153"></a>01153 }
<a name="l01154"></a>01154
<a name="l01155"></a>01155 <span class="comment">// To transfer command frames bytes we can not have any leading bits, reset this to zero</span>
<a name="l01156"></a>01156 <span class="keywordflow">if</span> (!pn53x_set_tx_bits (pnd, 0))
<a name="l01157"></a>01157 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01158"></a>01158
<a name="l01159"></a>01159 <span class="comment">// Send the frame to the PN53X chip and get the answer</span>
<a name="l01160"></a>01160 <span class="comment">// We have to give the amount of bytes + (the two command bytes 0xD4, 0x42)</span>
<a name="l01161"></a>01161 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtCmd, szTx + szExtraTxLen, abtRx, &szRx))
<a name="l01162"></a>01162 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01163"></a>01163
<a name="l01164"></a>01164 <span class="comment">// Save the received byte count</span>
<a name="l01165"></a>01165 *pszRx = szRx - 1;
<a name="l01166"></a>01166
<a name="l01167"></a>01167 <span class="comment">// Copy the received bytes</span>
<a name="l01168"></a>01168 memcpy (pbtRx, abtRx + 1, *pszRx);
<a name="l01169"></a>01169
<a name="l01170"></a>01170 <span class="comment">// Everything went successful</span>
<a name="l01171"></a>01171 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01172"></a>01172 }
<a name="l01173"></a>01173
<a name="l01174"></a>01174 <span class="preprocessor">#define SAK_ISO14443_4_COMPLIANT 0x20</span>
<a name="l01175"></a>01175 <span class="preprocessor"></span><span class="keywordtype">bool</span>
<a name="l01176"></a>01176 pn53x_target_init (<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="l01177"></a>01177 {
<a name="l01178"></a>01178 <span class="comment">// Save the current configuration settings</span>
<a name="l01179"></a>01179 <span class="keywordtype">bool</span> bCrc = pnd-><a class="code" href="structnfc__device__t.html#a7ce8e0b0e4be5f10074c9a552b5a945d">bCrc</a>;
<a name="l01180"></a>01180 <span class="keywordtype">bool</span> bPar = pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>;
<a name="l01181"></a>01181
<a name="l01182"></a>01182 <a class="code" href="pn53x_8h.html#a3cf73127b850fc4e506be9d299c1281b" title="PN53x target mode enumeration.">pn53x_target_mode_t</a> ptm = <a class="code" href="pn53x_8h.html#a3cf73127b850fc4e506be9d299c1281ba36bde60d16c940bf3b38b6e8d009a596">PTM_NORMAL</a>;
<a name="l01183"></a>01183 <span class="keywordflow">switch</span> (pnt->nm.nmt) {
<a name="l01184"></a>01184 <span class="keywordflow">case</span> NMT_ISO14443A:
<a name="l01185"></a>01185 ptm = <a class="code" href="pn53x_8h.html#a3cf73127b850fc4e506be9d299c1281ba41cbe6a07c4ed6941dffa9ac481a930d">PTM_PASSIVE_ONLY</a>;
<a name="l01186"></a>01186 <span class="keywordflow">if</span> ((pnt->nti.nai.abtUid[0] != 0x08) || (pnt->nti.nai.szUidLen != 4)) {
<a name="l01187"></a>01187 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = ETGUIDNOTSUP;
<a name="l01188"></a>01188 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01189"></a>01189 }
<a name="l01190"></a>01190 pn53x_set_parameter(pnd, PARAM_AUTO_ATR_RES, <span class="keyword">false</span>);
<a name="l01191"></a>01191 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a> == NC_PN532) { <span class="comment">// We have a PN532</span>
<a name="l01192"></a>01192 <span class="keywordflow">if</span> ((pnt->nti.nai.btSak & SAK_ISO14443_4_COMPLIANT) && (pnd-><a class="code" href="structnfc__device__t.html#aa9961deed081691365bb58fd4ff1c1b2">bAutoIso14443_4</a>)) {
<a name="l01193"></a>01193 <span class="comment">// We have a ISO14443-4 tag to emulate and NDO_AUTO_14443_4A option is enabled</span>
<a name="l01194"></a>01194 ptm |= <a class="code" href="pn53x_8h.html#a3cf73127b850fc4e506be9d299c1281ba166bd41ff2540a09746d7942e4a27f1b">PTM_ISO14443_4_PICC_ONLY</a>; <span class="comment">// We add ISO14443-4 restriction</span>
<a name="l01195"></a>01195 pn53x_set_parameter(pnd, PARAM_14443_4_PICC, <span class="keyword">true</span>);
<a name="l01196"></a>01196 } <span class="keywordflow">else</span> {
<a name="l01197"></a>01197 pn53x_set_parameter(pnd, PARAM_14443_4_PICC, <span class="keyword">false</span>);
<a name="l01198"></a>01198 }
<a name="l01199"></a>01199 }
<a name="l01200"></a>01200 <span class="keywordflow">break</span>;
<a name="l01201"></a>01201 <span class="keywordflow">case</span> NMT_FELICA:
<a name="l01202"></a>01202 ptm = <a class="code" href="pn53x_8h.html#a3cf73127b850fc4e506be9d299c1281ba41cbe6a07c4ed6941dffa9ac481a930d">PTM_PASSIVE_ONLY</a>;
<a name="l01203"></a>01203 <span class="keywordflow">break</span>;
<a name="l01204"></a>01204 <span class="keywordflow">case</span> NMT_DEP:
<a name="l01205"></a>01205 pn53x_set_parameter(pnd, PARAM_AUTO_ATR_RES, <span class="keyword">true</span>);
<a name="l01206"></a>01206 ptm = <a class="code" href="pn53x_8h.html#a3cf73127b850fc4e506be9d299c1281ba61a9d8d0790d0fd09831182223e3c58a">PTM_DEP_ONLY</a>;
<a name="l01207"></a>01207 <span class="keywordflow">if</span> (pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a4885250d30c9e2f1149cbc4fec7ba507">ndm</a> == NDM_PASSIVE) {
<a name="l01208"></a>01208 ptm |= <a class="code" href="pn53x_8h.html#a3cf73127b850fc4e506be9d299c1281ba41cbe6a07c4ed6941dffa9ac481a930d">PTM_PASSIVE_ONLY</a>; <span class="comment">// We add passive mode restriction</span>
<a name="l01209"></a>01209 }
<a name="l01210"></a>01210 <span class="keywordflow">break</span>;
<a name="l01211"></a>01211 <span class="keywordflow">case</span> NMT_ISO14443B:
<a name="l01212"></a>01212 <span class="keywordflow">case</span> NMT_JEWEL:
<a name="l01213"></a>01213 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l01214"></a>01214 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01215"></a>01215 <span class="keywordflow">break</span>;
<a name="l01216"></a>01216 }
<a name="l01217"></a>01217
<a name="l01218"></a>01218 <span class="comment">// Make sure the CRC & parity are handled by the device, this is needed for target_init to work properly</span>
<a name="l01219"></a>01219 <span class="keywordflow">if</span> (!bCrc)
<a name="l01220"></a>01220 pn53x_configure ((<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *) pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea34588e4870fcc10476151e27e8e97a74">NDO_HANDLE_CRC</a>, <span class="keyword">true</span>);
<a name="l01221"></a>01221 <span class="keywordflow">if</span> (!bPar)
<a name="l01222"></a>01222 pn53x_configure ((<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *) pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea7c1f6097b2d2a1670f580de332c41596">NDO_HANDLE_PARITY</a>, <span class="keyword">true</span>);
<a name="l01223"></a>01223
<a name="l01224"></a>01224 <span class="comment">// Let the PN53X be activated by the RF level detector from power down mode</span>
<a name="l01225"></a>01225 <span class="keywordflow">if</span> (!pn53x_set_reg (pnd, REG_CIU_TX_AUTO, SYMBOL_INITIAL_RF_ON, 0x04))
<a name="l01226"></a>01226 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01227"></a>01227
<a name="l01228"></a>01228 byte_t abtMifareParams[6];
<a name="l01229"></a>01229 byte_t * pbtMifareParams = NULL;
<a name="l01230"></a>01230 byte_t * pbtTkt = NULL;
<a name="l01231"></a>01231 <span class="keywordtype">size_t</span> szTkt = 0;
<a name="l01232"></a>01232
<a name="l01233"></a>01233 byte_t abtFeliCaParams[18];
<a name="l01234"></a>01234 byte_t * pbtFeliCaParams = NULL;
<a name="l01235"></a>01235
<a name="l01236"></a>01236 <span class="keyword">const</span> byte_t * pbtNFCID3t = NULL;
<a name="l01237"></a>01237 <span class="keyword">const</span> byte_t * pbtGBt = NULL;
<a name="l01238"></a>01238 <span class="keywordtype">size_t</span> szGBt = 0;
<a name="l01239"></a>01239
<a name="l01240"></a>01240 <span class="keywordflow">switch</span>(pnt->nm.nmt) {
<a name="l01241"></a>01241 <span class="keywordflow">case</span> NMT_ISO14443A: {
<a name="l01242"></a>01242 <span class="comment">// Set ATQA (SENS_RES)</span>
<a name="l01243"></a>01243 abtMifareParams[0] = pnt->nti.nai.abtAtqa[1];
<a name="l01244"></a>01244 abtMifareParams[1] = pnt->nti.nai.abtAtqa[0];
<a name="l01245"></a>01245 <span class="comment">// Set UID </span>
<a name="l01246"></a>01246 <span class="comment">// Note: in this mode we can only emulate a single size (4 bytes) UID where the first is hard-wired by PN53x as 0x08</span>
<a name="l01247"></a>01247 abtMifareParams[2] = pnt->nti.nai.abtUid[1];
<a name="l01248"></a>01248 abtMifareParams[3] = pnt->nti.nai.abtUid[2];
<a name="l01249"></a>01249 abtMifareParams[4] = pnt->nti.nai.abtUid[3];
<a name="l01250"></a>01250 <span class="comment">// Set SAK (SEL_RES)</span>
<a name="l01251"></a>01251 abtMifareParams[5] = pnt->nti.nai.btSak;
<a name="l01252"></a>01252
<a name="l01253"></a>01253 pbtMifareParams = abtMifareParams;
<a name="l01254"></a>01254
<a name="l01255"></a>01255 <span class="comment">// Historical Bytes</span>
<a name="l01256"></a>01256 pbtTkt = iso14443a_locate_historical_bytes (pnt->nti.nai.abtAts, pnt->nti.nai.szAtsLen, &szTkt);
<a name="l01257"></a>01257 }
<a name="l01258"></a>01258 <span class="keywordflow">break</span>;
<a name="l01259"></a>01259
<a name="l01260"></a>01260 <span class="keywordflow">case</span> NMT_FELICA:
<a name="l01261"></a>01261 <span class="comment">// Set NFCID2t </span>
<a name="l01262"></a>01262 memcpy(abtFeliCaParams, pnt->nti.nfi.abtId, 8);
<a name="l01263"></a>01263 <span class="comment">// Set PAD</span>
<a name="l01264"></a>01264 memcpy(abtFeliCaParams+8, pnt->nti.nfi.abtPad, 8);
<a name="l01265"></a>01265 <span class="comment">// Set SystemCode</span>
<a name="l01266"></a>01266 memcpy(abtFeliCaParams+16, pnt->nti.nfi.abtSysCode, 2);
<a name="l01267"></a>01267 pbtFeliCaParams = abtFeliCaParams;
<a name="l01268"></a>01268 <span class="keywordflow">break</span>;
<a name="l01269"></a>01269
<a name="l01270"></a>01270 <span class="keywordflow">case</span> NMT_DEP:
<a name="l01271"></a>01271 <span class="comment">// Set NFCID3</span>
<a name="l01272"></a>01272 pbtNFCID3t = pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a0d97aacdd8b0c055219141f3d8ab30d8">abtNFCID3</a>;
<a name="l01273"></a>01273 <span class="comment">// Set General Bytes, if relevant</span>
<a name="l01274"></a>01274 szGBt = pnt->nti.ndi.szGB;
<a name="l01275"></a>01275 <span class="keywordflow">if</span> (szGBt) pbtGBt = pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a1c00fd0176fe4085547df29d8185ad0a">abtGB</a>;
<a name="l01276"></a>01276 <span class="keywordflow">break</span>;
<a name="l01277"></a>01277 <span class="keywordflow">case</span> NMT_ISO14443B:
<a name="l01278"></a>01278 <span class="keywordflow">case</span> NMT_JEWEL:
<a name="l01279"></a>01279 pnd-><a class="code" href="structnfc__device__t.html#a3cc2631649285ff97395e20d8abd1e6f">iLastError</a> = DENOTSUP;
<a name="l01280"></a>01280 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01281"></a>01281 <span class="keywordflow">break</span>;
<a name="l01282"></a>01282 }
<a name="l01283"></a>01283
<a name="l01284"></a>01284 <span class="keywordtype">bool</span> targetActivated = <span class="keyword">false</span>;
<a name="l01285"></a>01285 <span class="keywordflow">while</span> (!targetActivated) {
<a name="l01286"></a>01286 <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm;
<a name="l01287"></a>01287 <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 = NDM_UNDEFINED;
<a name="l01288"></a>01288 byte_t btActivatedMode;
<a name="l01289"></a>01289
<a name="l01290"></a>01290 nm.nbr = NBR_UNDEFINED;
<a name="l01291"></a>01291
<a name="l01292"></a>01292 <span class="keywordflow">if</span>(!pn53x_TgInitAsTarget(pnd, ptm, pbtMifareParams, pbtTkt, szTkt, pbtFeliCaParams, pbtNFCID3t, pbtGBt, szGBt, pbtRx, pszRx, &btActivatedMode)) {
<a name="l01293"></a>01293 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01294"></a>01294 }
<a name="l01295"></a>01295
<a name="l01296"></a>01296 <span class="comment">// Decode activated "mode"</span>
<a name="l01297"></a>01297 <span class="keywordflow">switch</span>(btActivatedMode & 0x70) { <span class="comment">// Baud rate</span>
<a name="l01298"></a>01298 <span class="keywordflow">case</span> 0x00: <span class="comment">// 106kbps</span>
<a name="l01299"></a>01299 nm.nbr = NBR_106;
<a name="l01300"></a>01300 <span class="keywordflow">break</span>;
<a name="l01301"></a>01301 <span class="keywordflow">case</span> 0x10: <span class="comment">// 212kbps</span>
<a name="l01302"></a>01302 nm.nbr = NBR_212;
<a name="l01303"></a>01303 <span class="keywordflow">break</span>;
<a name="l01304"></a>01304 <span class="keywordflow">case</span> 0x20: <span class="comment">// 424kbps</span>
<a name="l01305"></a>01305 nm.nbr = NBR_424;
<a name="l01306"></a>01306 <span class="keywordflow">break</span>;
<a name="l01307"></a>01307 };
<a name="l01308"></a>01308
<a name="l01309"></a>01309 <span class="keywordflow">if</span> (btActivatedMode & 0x04) { <span class="comment">// D.E.P.</span>
<a name="l01310"></a>01310 nm.nmt = NMT_DEP;
<a name="l01311"></a>01311 <span class="keywordflow">if</span> ((btActivatedMode & 0x03) == 0x01) { <span class="comment">// Active mode</span>
<a name="l01312"></a>01312 ndm = NDM_ACTIVE;
<a name="l01313"></a>01313 } <span class="keywordflow">else</span> { <span class="comment">// Passive mode</span>
<a name="l01314"></a>01314 ndm = NDM_PASSIVE;
<a name="l01315"></a>01315 }
<a name="l01316"></a>01316 } <span class="keywordflow">else</span> { <span class="comment">// Not D.E.P.</span>
<a name="l01317"></a>01317 <span class="keywordflow">if</span> ((btActivatedMode & 0x03) == 0x00) { <span class="comment">// MIFARE</span>
<a name="l01318"></a>01318 nm.nmt = NMT_ISO14443A;
<a name="l01319"></a>01319 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((btActivatedMode & 0x03) == 0x02) { <span class="comment">// FeliCa</span>
<a name="l01320"></a>01320 nm.nmt = NMT_FELICA;
<a name="l01321"></a>01321 }
<a name="l01322"></a>01322 }
<a name="l01323"></a>01323
<a name="l01324"></a>01324 <span class="keywordflow">if</span>(pnt->nm.nmt == nm.nmt) { <span class="comment">// Actual activation have the right modulation type</span>
<a name="l01325"></a>01325 <span class="keywordflow">if</span> ((pnt->nm.nbr == NBR_UNDEFINED) || (pnt->nm.nbr == nm.nbr)) { <span class="comment">// Have the right baud rate (or undefined)</span>
<a name="l01326"></a>01326 <span class="keywordflow">if</span> ((pnt->nm.nmt != NMT_DEP) || (pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a4885250d30c9e2f1149cbc4fec7ba507">ndm</a> == NDM_UNDEFINED) || (pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a4885250d30c9e2f1149cbc4fec7ba507">ndm</a> == ndm)) { <span class="comment">// Have the right DEP mode (or is not a DEP)</span>
<a name="l01327"></a>01327 targetActivated = <span class="keyword">true</span>;
<a name="l01328"></a>01328 }
<a name="l01329"></a>01329 }
<a name="l01330"></a>01330 }
<a name="l01331"></a>01331
<a name="l01332"></a>01332 <span class="keywordflow">if</span> (targetActivated) {
<a name="l01333"></a>01333 pnt->nm.nbr = nm.nbr; <span class="comment">// Update baud rate</span>
<a name="l01334"></a>01334 <span class="keywordflow">if</span> (pnt->nm.nmt == NMT_DEP) {
<a name="l01335"></a>01335 pnt->nti.ndi.<a class="code" href="structnfc__dep__info__t.html#a4885250d30c9e2f1149cbc4fec7ba507">ndm</a> = ndm; <span class="comment">// Update DEP mode</span>
<a name="l01336"></a>01336 }
<a name="l01337"></a>01337 }
<a name="l01338"></a>01338 }
<a name="l01339"></a>01339
<a name="l01340"></a>01340 <span class="comment">// Restore the CRC & parity setting to the original value (if needed)</span>
<a name="l01341"></a>01341 <span class="keywordflow">if</span> (!bCrc)
<a name="l01342"></a>01342 pn53x_configure ((<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *) pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea34588e4870fcc10476151e27e8e97a74">NDO_HANDLE_CRC</a>, <span class="keyword">false</span>);
<a name="l01343"></a>01343 <span class="keywordflow">if</span> (!bPar)
<a name="l01344"></a>01344 pn53x_configure ((<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *) pnd, <a class="code" href="nfc-types_8h.html#ab2cdef5e5ac453e9c60c9fe449cb311ea7c1f6097b2d2a1670f580de332c41596">NDO_HANDLE_PARITY</a>, <span class="keyword">false</span>);
<a name="l01345"></a>01345
<a name="l01346"></a>01346 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01347"></a>01347 }
<a name="l01348"></a>01348
<a name="l01349"></a>01349 <span class="keywordtype">bool</span>
<a name="l01350"></a>01350 pn53x_TgInitAsTarget (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd, <a class="code" href="pn53x_8h.html#a3cf73127b850fc4e506be9d299c1281b" title="PN53x target mode enumeration.">pn53x_target_mode_t</a> ptm,
<a name="l01351"></a>01351 <span class="keyword">const</span> byte_t * pbtMifareParams,
<a name="l01352"></a>01352 <span class="keyword">const</span> byte_t * pbtTkt, <span class="keywordtype">size_t</span> szTkt,
<a name="l01353"></a>01353 <span class="keyword">const</span> byte_t * pbtFeliCaParams,
<a name="l01354"></a>01354 <span class="keyword">const</span> byte_t * pbtNFCID3t, <span class="keyword">const</span> byte_t * pbtGBt, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szGBt,
<a name="l01355"></a>01355 byte_t * pbtRx, <span class="keywordtype">size_t</span> * pszRx, byte_t * pbtModeByte)
<a name="l01356"></a>01356 {
<a name="l01357"></a>01357 byte_t abtRx[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l01358"></a>01358 <span class="keywordtype">size_t</span> szRx;
<a name="l01359"></a>01359 byte_t abtCmd[39 + 47 + 48]; <span class="comment">// Worst case: 39-byte base, 47 bytes max. for General Bytes, 48 bytes max. for Historical Bytes</span>
<a name="l01360"></a>01360 <span class="keywordtype">size_t</span> szOptionalBytes = 0;
<a name="l01361"></a>01361
<a name="l01362"></a>01362 memcpy (abtCmd, pncmd_target_init, <span class="keyword">sizeof</span> (pncmd_target_init));
<a name="l01363"></a>01363
<a name="l01364"></a>01364 <span class="comment">// Clear the target init struct, reset to all zeros</span>
<a name="l01365"></a>01365 memset (abtCmd + <span class="keyword">sizeof</span> (pncmd_target_init), 0x00, <span class="keyword">sizeof</span> (abtCmd) - <span class="keyword">sizeof</span> (pncmd_target_init));
<a name="l01366"></a>01366
<a name="l01367"></a>01367 <span class="comment">// Store the target mode in the initialization params</span>
<a name="l01368"></a>01368 abtCmd[2] = ptm;
<a name="l01369"></a>01369
<a name="l01370"></a>01370 <span class="comment">// MIFARE part</span>
<a name="l01371"></a>01371 <span class="keywordflow">if</span> (pbtMifareParams) {
<a name="l01372"></a>01372 memcpy (abtCmd+3, pbtMifareParams, 6);
<a name="l01373"></a>01373 }
<a name="l01374"></a>01374 <span class="comment">// FeliCa part</span>
<a name="l01375"></a>01375 <span class="keywordflow">if</span> (pbtFeliCaParams) {
<a name="l01376"></a>01376 memcpy (abtCmd+9, pbtFeliCaParams, 18);
<a name="l01377"></a>01377 }
<a name="l01378"></a>01378 <span class="comment">// DEP part</span>
<a name="l01379"></a>01379 <span class="keywordflow">if</span> (pbtNFCID3t) {
<a name="l01380"></a>01380 memcpy(abtCmd+27, pbtNFCID3t, 10);
<a name="l01381"></a>01381 }
<a name="l01382"></a>01382 <span class="comment">// General Bytes (ISO/IEC 18092)</span>
<a name="l01383"></a>01383 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a> == NC_PN531) {
<a name="l01384"></a>01384 <span class="keywordflow">if</span> (szGBt) {
<a name="l01385"></a>01385 memcpy (abtCmd+37, pbtGBt, szGBt);
<a name="l01386"></a>01386 szOptionalBytes = szGBt;
<a name="l01387"></a>01387 }
<a name="l01388"></a>01388 } <span class="keywordflow">else</span> {
<a name="l01389"></a>01389 abtCmd[37] = (byte_t)(szGBt);
<a name="l01390"></a>01390 <span class="keywordflow">if</span> (szGBt) {
<a name="l01391"></a>01391 memcpy (abtCmd+38, pbtGBt, szGBt);
<a name="l01392"></a>01392 }
<a name="l01393"></a>01393 szOptionalBytes = szGBt + 1;
<a name="l01394"></a>01394 }
<a name="l01395"></a>01395 <span class="comment">// Historical bytes (ISO/IEC 14443-4)</span>
<a name="l01396"></a>01396 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ac38d710f875a0ffbee062569f513dfff">nc</a> != NC_PN531) { <span class="comment">// PN531 does not handle Historical Bytes</span>
<a name="l01397"></a>01397 abtCmd[37+szOptionalBytes] = (byte_t)(szTkt);
<a name="l01398"></a>01398 <span class="keywordflow">if</span> (szTkt) {
<a name="l01399"></a>01399 memcpy (abtCmd+38+szOptionalBytes, pbtTkt, szTkt);
<a name="l01400"></a>01400 }
<a name="l01401"></a>01401 szOptionalBytes += szTkt + 1;
<a name="l01402"></a>01402 }
<a name="l01403"></a>01403
<a name="l01404"></a>01404 <span class="comment">// Request the initialization as a target</span>
<a name="l01405"></a>01405 szRx = PN53x_EXTENDED_FRAME_MAX_LEN;
<a name="l01406"></a>01406
<a name="l01407"></a>01407 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtCmd, 37 + szOptionalBytes, abtRx, &szRx))
<a name="l01408"></a>01408 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01409"></a>01409
<a name="l01410"></a>01410 <span class="comment">// Note: the first byte is skip: </span>
<a name="l01411"></a>01411 <span class="comment">// its the "mode" byte which contains baudrate, DEP and Framing type (Mifare, active or FeliCa) datas.</span>
<a name="l01412"></a>01412 <span class="keywordflow">if</span>(pbtModeByte) {
<a name="l01413"></a>01413 *pbtModeByte = abtRx[0];
<a name="l01414"></a>01414 }
<a name="l01415"></a>01415
<a name="l01416"></a>01416 <span class="comment">// Save the received byte count</span>
<a name="l01417"></a>01417 *pszRx = szRx - 1;
<a name="l01418"></a>01418 <span class="comment">// Copy the received bytes</span>
<a name="l01419"></a>01419 memcpy (pbtRx, abtRx + 1, *pszRx);
<a name="l01420"></a>01420
<a name="l01421"></a>01421 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01422"></a>01422 }
<a name="l01423"></a>01423
<a name="l01424"></a>01424 <span class="keywordtype">bool</span>
<a name="l01425"></a>01425 pn53x_target_receive_bits (<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="l01426"></a>01426 {
<a name="l01427"></a>01427 byte_t abtRx[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l01428"></a>01428 <span class="keywordtype">size_t</span> szRx;
<a name="l01429"></a>01429 <span class="keywordtype">size_t</span> szFrameBits;
<a name="l01430"></a>01430 uint8_t ui8rcc;
<a name="l01431"></a>01431 uint8_t ui8Bits;
<a name="l01432"></a>01432
<a name="l01433"></a>01433 <span class="comment">// Try to gather a received frame from the reader</span>
<a name="l01434"></a>01434 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, pncmd_target_get_initiator_command, 2, abtRx, &szRx))
<a name="l01435"></a>01435 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01436"></a>01436
<a name="l01437"></a>01437 <span class="comment">// Get the last bit-count that is stored in the received byte </span>
<a name="l01438"></a>01438 <span class="keywordflow">if</span> (!pn53x_get_reg (pnd, REG_CIU_CONTROL, &ui8rcc))
<a name="l01439"></a>01439 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01440"></a>01440 ui8Bits = ui8rcc & SYMBOL_RX_LAST_BITS;
<a name="l01441"></a>01441
<a name="l01442"></a>01442 <span class="comment">// Recover the real frame length in bits</span>
<a name="l01443"></a>01443 szFrameBits = ((szRx - 1 - ((ui8Bits == 0) ? 0 : 1)) * 8) + ui8Bits;
<a name="l01444"></a>01444
<a name="l01445"></a>01445 <span class="comment">// Ignore the status byte from the PN53X here, it was checked earlier in pn53x_transceive()</span>
<a name="l01446"></a>01446 <span class="comment">// Check if we should recover the parity bits ourself</span>
<a name="l01447"></a>01447 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>) {
<a name="l01448"></a>01448 <span class="comment">// Unwrap the response frame</span>
<a name="l01449"></a>01449 pn53x_unwrap_frame (abtRx + 1, szFrameBits, pbtRx, pszRxBits, pbtRxPar);
<a name="l01450"></a>01450 } <span class="keywordflow">else</span> {
<a name="l01451"></a>01451 <span class="comment">// Save the received bits</span>
<a name="l01452"></a>01452 *pszRxBits = szFrameBits;
<a name="l01453"></a>01453 <span class="comment">// Copy the received bytes</span>
<a name="l01454"></a>01454 memcpy (pbtRx, abtRx + 1, szRx - 1);
<a name="l01455"></a>01455 }
<a name="l01456"></a>01456 <span class="comment">// Everyting seems ok, return true</span>
<a name="l01457"></a>01457 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01458"></a>01458 }
<a name="l01459"></a>01459
<a name="l01460"></a>01460 <span class="keywordtype">bool</span>
<a name="l01461"></a>01461 pn53x_target_receive_bytes (<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="l01462"></a>01462 {
<a name="l01463"></a>01463 byte_t <span class="keyword">const</span> *pbtTx;
<a name="l01464"></a>01464 byte_t abtRx[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l01465"></a>01465 <span class="keywordtype">size_t</span> szRx;
<a name="l01466"></a>01466
<a name="l01467"></a>01467 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#a3abc6b0a43eff03de706bfbf26b83d66">bEasyFraming</a>) {
<a name="l01468"></a>01468 pbtTx = pncmd_target_get_data;
<a name="l01469"></a>01469 } <span class="keywordflow">else</span> {
<a name="l01470"></a>01470 pbtTx = pncmd_target_get_initiator_command;
<a name="l01471"></a>01471 }
<a name="l01472"></a>01472
<a name="l01473"></a>01473 <span class="comment">// Try to gather a received frame from the reader</span>
<a name="l01474"></a>01474 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, pbtTx, 2, abtRx, &szRx))
<a name="l01475"></a>01475 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01476"></a>01476
<a name="l01477"></a>01477 <span class="comment">// Save the received byte count</span>
<a name="l01478"></a>01478 *pszRx = szRx - 1;
<a name="l01479"></a>01479
<a name="l01480"></a>01480 <span class="comment">// Copy the received bytes</span>
<a name="l01481"></a>01481 memcpy (pbtRx, abtRx + 1, *pszRx);
<a name="l01482"></a>01482
<a name="l01483"></a>01483 <span class="comment">// Everyting seems ok, return true</span>
<a name="l01484"></a>01484 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01485"></a>01485 }
<a name="l01486"></a>01486
<a name="l01487"></a>01487 <span class="keywordtype">bool</span>
<a name="l01488"></a>01488 pn53x_target_send_bits (<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="l01489"></a>01489 {
<a name="l01490"></a>01490 <span class="keywordtype">size_t</span> szFrameBits = 0;
<a name="l01491"></a>01491 <span class="keywordtype">size_t</span> szFrameBytes = 0;
<a name="l01492"></a>01492 uint8_t ui8Bits = 0;
<a name="l01493"></a>01493 byte_t abtCmd[<span class="keyword">sizeof</span> (pncmd_target_response_to_initiator)];
<a name="l01494"></a>01494
<a name="l01495"></a>01495 memcpy (abtCmd, pncmd_target_response_to_initiator, <span class="keyword">sizeof</span> (pncmd_target_response_to_initiator));
<a name="l01496"></a>01496
<a name="l01497"></a>01497 <span class="comment">// Check if we should prepare the parity bits ourself</span>
<a name="l01498"></a>01498 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>) {
<a name="l01499"></a>01499 <span class="comment">// Convert data with parity to a frame</span>
<a name="l01500"></a>01500 pn53x_wrap_frame (pbtTx, szTxBits, pbtTxPar, abtCmd + 2, &szFrameBits);
<a name="l01501"></a>01501 } <span class="keywordflow">else</span> {
<a name="l01502"></a>01502 szFrameBits = szTxBits;
<a name="l01503"></a>01503 }
<a name="l01504"></a>01504
<a name="l01505"></a>01505 <span class="comment">// Retrieve the leading bits</span>
<a name="l01506"></a>01506 ui8Bits = szFrameBits % 8;
<a name="l01507"></a>01507
<a name="l01508"></a>01508 <span class="comment">// Get the amount of frame bytes + optional (1 byte if there are leading bits) </span>
<a name="l01509"></a>01509 szFrameBytes = (szFrameBits / 8) + ((ui8Bits == 0) ? 0 : 1);
<a name="l01510"></a>01510
<a name="l01511"></a>01511 <span class="comment">// When the parity is handled before us, we just copy the data</span>
<a name="l01512"></a>01512 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>)
<a name="l01513"></a>01513 memcpy (abtCmd + 2, pbtTx, szFrameBytes);
<a name="l01514"></a>01514
<a name="l01515"></a>01515 <span class="comment">// Set the amount of transmission bits in the PN53X chip register</span>
<a name="l01516"></a>01516 <span class="keywordflow">if</span> (!pn53x_set_tx_bits (pnd, ui8Bits))
<a name="l01517"></a>01517 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01518"></a>01518
<a name="l01519"></a>01519 <span class="comment">// Try to send the bits to the reader</span>
<a name="l01520"></a>01520 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtCmd, szFrameBytes + 2, NULL, NULL))
<a name="l01521"></a>01521 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01522"></a>01522
<a name="l01523"></a>01523 <span class="comment">// Everyting seems ok, return true</span>
<a name="l01524"></a>01524 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01525"></a>01525 }
<a name="l01526"></a>01526
<a name="l01527"></a>01527 <span class="keywordtype">bool</span>
<a name="l01528"></a>01528 pn53x_target_send_bytes (<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="l01529"></a>01529 {
<a name="l01530"></a>01530 byte_t abtCmd[MAX (<span class="keyword">sizeof</span> (pncmd_target_response_to_initiator), <span class="keyword">sizeof</span> (pncmd_target_set_data))];
<a name="l01531"></a>01531
<a name="l01532"></a>01532
<a name="l01533"></a>01533 <span class="comment">// We can not just send bytes without parity if while the PN53X expects we handled them</span>
<a name="l01534"></a>01534 <span class="keywordflow">if</span> (!pnd-><a class="code" href="structnfc__device__t.html#ab066d77b77d543818477b07787d0b0a5">bPar</a>)
<a name="l01535"></a>01535 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01536"></a>01536
<a name="l01537"></a>01537 <span class="keywordflow">if</span> (pnd-><a class="code" href="structnfc__device__t.html#a3abc6b0a43eff03de706bfbf26b83d66">bEasyFraming</a>) {
<a name="l01538"></a>01538 memcpy (abtCmd, pncmd_target_set_data, <span class="keyword">sizeof</span> (pncmd_target_set_data));
<a name="l01539"></a>01539 } <span class="keywordflow">else</span> {
<a name="l01540"></a>01540 memcpy (abtCmd, pncmd_target_response_to_initiator, <span class="keyword">sizeof</span> (pncmd_target_response_to_initiator));
<a name="l01541"></a>01541 }
<a name="l01542"></a>01542
<a name="l01543"></a>01543 <span class="comment">// Copy the data into the command frame</span>
<a name="l01544"></a>01544 memcpy (abtCmd + 2, pbtTx, szTx);
<a name="l01545"></a>01545
<a name="l01546"></a>01546 <span class="comment">// Try to send the bits to the reader</span>
<a name="l01547"></a>01547 <span class="keywordflow">if</span> (!pn53x_transceive (pnd, abtCmd, szTx + 2, NULL, NULL))
<a name="l01548"></a>01548 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l01549"></a>01549
<a name="l01550"></a>01550 <span class="comment">// Everyting seems ok, return true</span>
<a name="l01551"></a>01551 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l01552"></a>01552 }
<a name="l01553"></a>01553
<a name="l01554"></a>01554 <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776" title="NFC modulation.">pn53x_modulation_t</a>
<a name="l01555"></a>01555 pn53x_nm_to_pm(<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm)
<a name="l01556"></a>01556 {
<a name="l01557"></a>01557 <span class="keywordflow">switch</span>(nm.nmt) {
<a name="l01558"></a>01558 <span class="keywordflow">case</span> NMT_ISO14443A:
<a name="l01559"></a>01559 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a87b4b5283f2908af4cd6847c98c01af2">PM_ISO14443A_106</a>;
<a name="l01560"></a>01560 <span class="keywordflow">break</span>;
<a name="l01561"></a>01561
<a name="l01562"></a>01562 <span class="keywordflow">case</span> NMT_ISO14443B:
<a name="l01563"></a>01563 <span class="keywordflow">switch</span>(nm.nbr) {
<a name="l01564"></a>01564 <span class="keywordflow">case</span> NBR_106:
<a name="l01565"></a>01565 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776addf15ec37f6e40fa209a8bd9b8701d8f">PM_ISO14443B_106</a>;
<a name="l01566"></a>01566 <span class="keywordflow">break</span>;
<a name="l01567"></a>01567 <span class="keywordflow">case</span> NBR_212:
<a name="l01568"></a>01568 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776ae4077ede2dcb630e37cb901ff990af30">PM_ISO14443B_212</a>;
<a name="l01569"></a>01569 <span class="keywordflow">break</span>;
<a name="l01570"></a>01570 <span class="keywordflow">case</span> NBR_424:
<a name="l01571"></a>01571 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a1413e1b968c815ecb0c2d0082728a412">PM_ISO14443B_424</a>;
<a name="l01572"></a>01572 <span class="keywordflow">break</span>;
<a name="l01573"></a>01573 <span class="keywordflow">case</span> NBR_847:
<a name="l01574"></a>01574 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a804037230dc6fa23104556a353a89171">PM_ISO14443B_847</a>;
<a name="l01575"></a>01575 <span class="keywordflow">break</span>;
<a name="l01576"></a>01576 <span class="keywordflow">case</span> NBR_UNDEFINED:
<a name="l01577"></a>01577 <span class="comment">// Nothing to do...</span>
<a name="l01578"></a>01578 <span class="keywordflow">break</span>;
<a name="l01579"></a>01579 }
<a name="l01580"></a>01580 <span class="keywordflow">break</span>;
<a name="l01581"></a>01581
<a name="l01582"></a>01582 <span class="keywordflow">case</span> NMT_JEWEL:
<a name="l01583"></a>01583 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a3babb4a226cdb7bdc7d594e5d0e43edd">PM_JEWEL_106</a>;
<a name="l01584"></a>01584 <span class="keywordflow">break</span>;
<a name="l01585"></a>01585
<a name="l01586"></a>01586 <span class="keywordflow">case</span> NMT_FELICA:
<a name="l01587"></a>01587 <span class="keywordflow">switch</span>(nm.nbr) {
<a name="l01588"></a>01588 <span class="keywordflow">case</span> NBR_212:
<a name="l01589"></a>01589 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a3a877f1eddd3f50aa185eb8bc74d8378">PM_FELICA_212</a>;
<a name="l01590"></a>01590 <span class="keywordflow">break</span>;
<a name="l01591"></a>01591 <span class="keywordflow">case</span> NBR_424:
<a name="l01592"></a>01592 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a0d173fe81bde95eb6a7b9a9e487713bc">PM_FELICA_424</a>;
<a name="l01593"></a>01593 <span class="keywordflow">break</span>;
<a name="l01594"></a>01594 <span class="keywordflow">case</span> NBR_106:
<a name="l01595"></a>01595 <span class="keywordflow">case</span> NBR_847:
<a name="l01596"></a>01596 <span class="keywordflow">case</span> NBR_UNDEFINED:
<a name="l01597"></a>01597 <span class="comment">// Nothing to do...</span>
<a name="l01598"></a>01598 <span class="keywordflow">break</span>;
<a name="l01599"></a>01599 }
<a name="l01600"></a>01600 <span class="keywordflow">break</span>;
<a name="l01601"></a>01601 <span class="keywordflow">case</span> NMT_DEP:
<a name="l01602"></a>01602 <span class="comment">// Nothing to do...</span>
<a name="l01603"></a>01603 <span class="keywordflow">break</span>;
<a name="l01604"></a>01604 }
<a name="l01605"></a>01605 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#aeb3b53b6b1712facea7649bcc8c70776a1b86f958cc35d323aba6a2b30ef8c41f">PM_UNDEFINED</a>;
<a name="l01606"></a>01606 }
<a name="l01607"></a>01607
<a name="l01608"></a>01608 <span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>
<a name="l01609"></a>01609 pn53x_ptt_to_nm( <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466" title="NFC target type enumeration.">pn53x_target_type_t</a> ptt )
<a name="l01610"></a>01610 {
<a name="l01611"></a>01611 <span class="keywordflow">switch</span> (ptt) {
<a name="l01612"></a>01612 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466adb2c6f146643f4c932b44f8446c498d8">PTT_GENERIC_PASSIVE_106</a>:
<a name="l01613"></a>01613 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466ad460942d15dd8f9f13f9b8b61300e256">PTT_GENERIC_PASSIVE_212</a>:
<a name="l01614"></a>01614 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466abd1ab088c0795e1c12693a3af3412c97">PTT_GENERIC_PASSIVE_424</a>:
<a name="l01615"></a>01615 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a4160ac4479fc43554c2ee8d5cd4a3634">PTT_UNDEFINED</a>:
<a name="l01616"></a>01616 <span class="comment">// XXX This should not happend, how handle it cleanly ?</span>
<a name="l01617"></a>01617 <span class="keywordflow">break</span>;
<a name="l01618"></a>01618
<a name="l01619"></a>01619 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466accdb2084e55f727e0606e2331f95b89c">PTT_MIFARE</a>:
<a name="l01620"></a>01620 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a3371859dca06604026affa701f058ce0">PTT_ISO14443_4A_106</a>:
<a name="l01621"></a>01621 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_ISO14443A, .nbr = NBR_106 };
<a name="l01622"></a>01622 <span class="keywordflow">break</span>;
<a name="l01623"></a>01623
<a name="l01624"></a>01624 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a8008f8b52e4135720339f222f3e030e1">PTT_ISO14443_4B_106</a>:
<a name="l01625"></a>01625 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a9f0e50c8fe0a6c16f44f0cb84d459aad">PTT_ISO14443_4B_TCL_106</a>:
<a name="l01626"></a>01626 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_ISO14443B, .nbr = NBR_106 };
<a name="l01627"></a>01627 <span class="keywordflow">break</span>;
<a name="l01628"></a>01628
<a name="l01629"></a>01629 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466ade3d43812066b43894dfb6b56ff310ad">PTT_JEWEL_106</a>:
<a name="l01630"></a>01630 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_JEWEL, .nbr = NBR_106 };
<a name="l01631"></a>01631 <span class="keywordflow">break</span>;
<a name="l01632"></a>01632
<a name="l01633"></a>01633 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466abc78236f65531c76921196c24c54435d">PTT_FELICA_212</a>:
<a name="l01634"></a>01634 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_FELICA, .nbr = NBR_212 };
<a name="l01635"></a>01635 <span class="keywordflow">break</span>;
<a name="l01636"></a>01636 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a8390feb26d747b50244522ebe6a0c2ce">PTT_FELICA_424</a>:
<a name="l01637"></a>01637 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_FELICA, .nbr = NBR_424 };
<a name="l01638"></a>01638 <span class="keywordflow">break</span>;
<a name="l01639"></a>01639
<a name="l01640"></a>01640 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a92d7ac3b51cda3fd80f8b57c3310cb33">PTT_DEP_PASSIVE_106</a>:
<a name="l01641"></a>01641 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466afe85fbf70502b22ab64188d280361be3">PTT_DEP_ACTIVE_106</a>:
<a name="l01642"></a>01642 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_DEP, .nbr = NBR_106 };
<a name="l01643"></a>01643 <span class="keywordflow">break</span>;
<a name="l01644"></a>01644 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a0f3b0949fdd46d32e1c44015391096a4">PTT_DEP_PASSIVE_212</a>:
<a name="l01645"></a>01645 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a0cc8ab2e83d9e8b2cdaaea5ab13c5eb3">PTT_DEP_ACTIVE_212</a>:
<a name="l01646"></a>01646 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_DEP, .nbr = NBR_212 };
<a name="l01647"></a>01647 <span class="keywordflow">break</span>;
<a name="l01648"></a>01648 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a20432d9897721118d43de6478291abb7">PTT_DEP_PASSIVE_424</a>:
<a name="l01649"></a>01649 <span class="keywordflow">case</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466af4075919ddea2eba0d40a0d0661975bc">PTT_DEP_ACTIVE_424</a>:
<a name="l01650"></a>01650 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_DEP, .nbr = NBR_424 };
<a name="l01651"></a>01651 <span class="keywordflow">break</span>;
<a name="l01652"></a>01652 }
<a name="l01653"></a>01653 <span class="comment">// We should never be here, this line silent compilation warning</span>
<a name="l01654"></a>01654 <span class="keywordflow">return</span> (<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a>){ .nmt = NMT_ISO14443A, .nbr = NBR_106 };
<a name="l01655"></a>01655 }
<a name="l01656"></a>01656
<a name="l01657"></a>01657 <span class="keyword">const</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466" title="NFC target type enumeration.">pn53x_target_type_t</a>
<a name="l01658"></a>01658 pn53x_nm_to_ptt(<span class="keyword">const</span> <a class="code" href="structnfc__modulation__t.html" title="NFC modulation structure.">nfc_modulation_t</a> nm)
<a name="l01659"></a>01659 {
<a name="l01660"></a>01660 <span class="keywordflow">switch</span>(nm.nmt) {
<a name="l01661"></a>01661 <span class="keywordflow">case</span> NMT_ISO14443A:
<a name="l01662"></a>01662 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466accdb2084e55f727e0606e2331f95b89c">PTT_MIFARE</a>;
<a name="l01663"></a>01663 <span class="comment">// return PTT_ISO14443_4A_106;</span>
<a name="l01664"></a>01664 <span class="keywordflow">break</span>;
<a name="l01665"></a>01665
<a name="l01666"></a>01666 <span class="keywordflow">case</span> NMT_ISO14443B:
<a name="l01667"></a>01667 <span class="keywordflow">switch</span>(nm.nbr) {
<a name="l01668"></a>01668 <span class="keywordflow">case</span> NBR_106:
<a name="l01669"></a>01669 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a8008f8b52e4135720339f222f3e030e1">PTT_ISO14443_4B_106</a>;
<a name="l01670"></a>01670 <span class="keywordflow">break</span>;
<a name="l01671"></a>01671 <span class="keywordflow">case</span> NBR_UNDEFINED:
<a name="l01672"></a>01672 <span class="keywordflow">case</span> NBR_212:
<a name="l01673"></a>01673 <span class="keywordflow">case</span> NBR_424:
<a name="l01674"></a>01674 <span class="keywordflow">case</span> NBR_847:
<a name="l01675"></a>01675 <span class="comment">// Nothing to do...</span>
<a name="l01676"></a>01676 <span class="keywordflow">break</span>;
<a name="l01677"></a>01677 }
<a name="l01678"></a>01678 <span class="keywordflow">break</span>;
<a name="l01679"></a>01679
<a name="l01680"></a>01680 <span class="keywordflow">case</span> NMT_JEWEL:
<a name="l01681"></a>01681 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466ade3d43812066b43894dfb6b56ff310ad">PTT_JEWEL_106</a>;
<a name="l01682"></a>01682 <span class="keywordflow">break</span>;
<a name="l01683"></a>01683
<a name="l01684"></a>01684 <span class="keywordflow">case</span> NMT_FELICA:
<a name="l01685"></a>01685 <span class="keywordflow">switch</span>(nm.nbr) {
<a name="l01686"></a>01686 <span class="keywordflow">case</span> NBR_212:
<a name="l01687"></a>01687 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466abc78236f65531c76921196c24c54435d">PTT_FELICA_212</a>;
<a name="l01688"></a>01688 <span class="keywordflow">break</span>;
<a name="l01689"></a>01689 <span class="keywordflow">case</span> NBR_424:
<a name="l01690"></a>01690 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a8390feb26d747b50244522ebe6a0c2ce">PTT_FELICA_424</a>;
<a name="l01691"></a>01691 <span class="keywordflow">break</span>;
<a name="l01692"></a>01692 <span class="keywordflow">case</span> NBR_UNDEFINED:
<a name="l01693"></a>01693 <span class="keywordflow">case</span> NBR_106:
<a name="l01694"></a>01694 <span class="keywordflow">case</span> NBR_847:
<a name="l01695"></a>01695 <span class="comment">// Nothing to do...</span>
<a name="l01696"></a>01696 <span class="keywordflow">break</span>;
<a name="l01697"></a>01697 }
<a name="l01698"></a>01698 <span class="keywordflow">break</span>;
<a name="l01699"></a>01699
<a name="l01700"></a>01700 <span class="keywordflow">case</span> NMT_DEP:
<a name="l01701"></a>01701 <span class="comment">// Nothing to do...</span>
<a name="l01702"></a>01702 <span class="keywordflow">break</span>;
<a name="l01703"></a>01703 }
<a name="l01704"></a>01704 <span class="keywordflow">return</span> <a class="code" href="pn53x_8h.html#a6cbb381a7ee7dbc59d0c6627cca12466a4160ac4479fc43554c2ee8d5cd4a3634">PTT_UNDEFINED</a>;
<a name="l01705"></a>01705 }
<a name="l01706"></a>01706
</pre></div></div>
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