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<h1>pn53x-diagnose.c</h1> </div>
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<a href="pn53x-diagnose_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*-</span>
<a name="l00002"></a>00002 <span class="comment"> * Public platform independent Near Field Communication (NFC) library examples</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2010, Romuald Conty</span>
<a name="l00005"></a>00005 <span class="comment"> * </span>
<a name="l00006"></a>00006 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00007"></a>00007 <span class="comment"> * modification, are permitted provided that the following conditions are met:</span>
<a name="l00008"></a>00008 <span class="comment"> * 1) Redistributions of source code must retain the above copyright notice,</span>
<a name="l00009"></a>00009 <span class="comment"> * this list of conditions and the following disclaimer. </span>
<a name="l00010"></a>00010 <span class="comment"> * 2 )Redistributions in binary form must reproduce the above copyright</span>
<a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span>
<a name="l00012"></a>00012 <span class="comment"> * documentation and/or other materials provided with the distribution.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span>
<a name="l00015"></a>00015 <span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
<a name="l00016"></a>00016 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
<a name="l00017"></a>00017 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE</span>
<a name="l00018"></a>00018 <span class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span>
<a name="l00019"></a>00019 <span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span>
<a name="l00020"></a>00020 <span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
<a name="l00021"></a>00021 <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span>
<a name="l00022"></a>00022 <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span>
<a name="l00023"></a>00023 <span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span>
<a name="l00024"></a>00024 <span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment"> * </span>
<a name="l00026"></a>00026 <span class="comment"> * Note that this license only applies on the examples, NFC library itself is under LGPL</span>
<a name="l00027"></a>00027 <span class="comment"> *</span>
<a name="l00028"></a>00028 <span class="comment"> */</span>
<a name="l00029"></a>00029
<a name="l00034"></a>00034 <span class="preprocessor">#include <err.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <string.h></span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#include <nfc/nfc.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <nfc/nfc-messages.h></span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="nfc-utils_8h.html" title="Provide some examples shared functions like print, parity calculation, options parsing.">nfc-utils.h</a>"</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "chips/pn53x.h"</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="preprocessor">#define MAX_DEVICE_COUNT 16</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keywordtype">int</span>
<a name="l00048"></a>00048 main (<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span> *argv[])
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <span class="keywordtype">size_t</span> szFound;
<a name="l00051"></a>00051 <span class="keywordtype">size_t</span> i;
<a name="l00052"></a>00052 <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *pnd;
<a name="l00053"></a>00053 <a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> *pnddDevices;
<a name="l00054"></a>00054 <span class="keyword">const</span> <span class="keywordtype">char</span> *acLibnfcVersion;
<a name="l00055"></a>00055 <span class="keywordtype">bool</span> result;
<a name="l00056"></a>00056
<a name="l00057"></a>00057 byte_t abtRx[PN53x_EXTENDED_FRAME_MAX_LEN];
<a name="l00058"></a>00058 <span class="keywordtype">size_t</span> szRx;
<a name="l00059"></a>00059 <span class="keyword">const</span> byte_t pncmd_diagnose_communication_line_test[] = { 0xD4, 0x00, 0x00, 0x06, <span class="charliteral">'l'</span>, <span class="charliteral">'i'</span>, <span class="charliteral">'b'</span>, <span class="charliteral">'n'</span>, <span class="charliteral">'f'</span>, <span class="charliteral">'c'</span> };
<a name="l00060"></a>00060 <span class="keyword">const</span> byte_t pncmd_diagnose_rom_test[] = { 0xD4, 0x00, 0x01 };
<a name="l00061"></a>00061 <span class="keyword">const</span> byte_t pncmd_diagnose_ram_test[] = { 0xD4, 0x00, 0x02 };
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordflow">if</span> (argc > 1) {
<a name="l00064"></a>00064 errx (1, <span class="stringliteral">"usage: %s"</span>, argv[0]);
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066 <span class="comment">// Display libnfc version</span>
<a name="l00067"></a>00067 acLibnfcVersion = <a class="code" href="nfc_8c.html#aa48f27c0f93d6508ad9a5ae01ab054d4" title="Returns the library version.">nfc_version</a> ();
<a name="l00068"></a>00068 printf (<span class="stringliteral">"%s use libnfc %s\n"</span>, argv[0], acLibnfcVersion);
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keywordflow">if</span> (!(pnddDevices = malloc (MAX_DEVICE_COUNT * <span class="keyword">sizeof</span> (*pnddDevices)))) {
<a name="l00071"></a>00071 fprintf (stderr, <span class="stringliteral">"malloc() failed\n"</span>);
<a name="l00072"></a>00072 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <a class="code" href="nfc_8c.html#a9073e8bf5089392979b187758f2cd7f9" title="Probe for discoverable supported devices (ie. only available for some drivers)">nfc_list_devices</a> (pnddDevices, MAX_DEVICE_COUNT, &szFound);
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordflow">if</span> (szFound == 0) {
<a name="l00078"></a>00078 printf (<span class="stringliteral">"No NFC device found.\n"</span>);
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordflow">for</span> (i = 0; i < szFound; i++) {
<a name="l00082"></a>00082 pnd = <a class="code" href="nfc_8c.html#aff0c2c92d2fc81e5dc93150fc72a7de6" title="Connect to a NFC device.">nfc_connect</a> (&(pnddDevices[i]));
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (pnd == NULL) {
<a name="l00085"></a>00085 ERR (<span class="stringliteral">"%s"</span>, <span class="stringliteral">"Unable to connect to NFC device."</span>);
<a name="l00086"></a>00086 <span class="keywordflow">return</span> EXIT_FAILURE;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 printf (<span class="stringliteral">"NFC device [%s] connected.\n"</span>, pnd-><a class="code" href="structnfc__device__t.html#a3933f0bea196fedca0345a7f940dc85b">acName</a>);
<a name="l00090"></a>00090
<a name="l00091"></a>00091 result = pn53x_transceive (pnd, pncmd_diagnose_communication_line_test, <span class="keyword">sizeof</span> (pncmd_diagnose_communication_line_test), abtRx, &szRx);
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (result) {
<a name="l00093"></a>00093 result = (memcmp (pncmd_diagnose_communication_line_test + 2, abtRx, <span class="keyword">sizeof</span> (pncmd_diagnose_communication_line_test) - 2) == 0);
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095 printf (<span class="stringliteral">" Communication line test: %s\n"</span>, result ? <span class="stringliteral">"OK"</span> : <span class="stringliteral">"Failed"</span>);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 result = pn53x_transceive (pnd, pncmd_diagnose_rom_test, <span class="keyword">sizeof</span> (pncmd_diagnose_rom_test), abtRx, &szRx);
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (result) {
<a name="l00099"></a>00099 result = ((szRx == 1) && (abtRx[0] == 0x00));
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 printf (<span class="stringliteral">" ROM test: %s\n"</span>, result ? <span class="stringliteral">"OK"</span> : <span class="stringliteral">"Failed"</span>);
<a name="l00102"></a>00102
<a name="l00103"></a>00103 result = pn53x_transceive (pnd, pncmd_diagnose_ram_test, <span class="keyword">sizeof</span> (pncmd_diagnose_ram_test), abtRx, &szRx);
<a name="l00104"></a>00104 <span class="keywordflow">if</span> (result) {
<a name="l00105"></a>00105 result = ((szRx == 1) && (abtRx[0] == 0x00));
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 printf (<span class="stringliteral">" RAM test: %s\n"</span>, result ? <span class="stringliteral">"OK"</span> : <span class="stringliteral">"Failed"</span>);
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109 }
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