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libnfc-devel-1.4.2-1.fc14.i686.rpm

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<h1>pn533_usb.c</h1>  </div>
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<a href="pn533__usb_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*-</span>
<a name="l00002"></a>00002 <span class="comment"> * Public platform independent Near Field Communication (NFC) library</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2009, Roel Verdult</span>
<a name="l00005"></a>00005 <span class="comment"> * </span>
<a name="l00006"></a>00006 <span class="comment"> * This program is free software: you can redistribute it and/or modify it</span>
<a name="l00007"></a>00007 <span class="comment"> * under the terms of the GNU Lesser General Public License as published by the</span>
<a name="l00008"></a>00008 <span class="comment"> * Free Software Foundation, either version 3 of the License, or (at your</span>
<a name="l00009"></a>00009 <span class="comment"> * option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> * </span>
<a name="l00011"></a>00011 <span class="comment"> * This program is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00012"></a>00012 <span class="comment"> * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00013"></a>00013 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for</span>
<a name="l00014"></a>00014 <span class="comment"> * more details.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> * along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;</span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019 
<a name="l00025"></a>00025 <span class="comment">/*</span>
<a name="l00026"></a>00026 <span class="comment">Thanks to d18c7db and Okko for example code</span>
<a name="l00027"></a>00027 <span class="comment">*/</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#  include &quot;config.h&quot;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#endif // HAVE_CONFIG_H</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00034"></a>00034 
<a name="l00035"></a>00035 <span class="preprocessor">#include &quot;<a class="code" href="drivers_8h.html" title="Supported drivers header.">../drivers.h</a>&quot;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;nfc/nfc-messages.h&gt;</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038 <a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> *
<a name="l00039"></a>00039 pn533_usb_pick_device (<span class="keywordtype">void</span>)
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041   <a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> *pndd;
<a name="l00042"></a>00042 
<a name="l00043"></a>00043   <span class="keywordflow">if</span> ((pndd = malloc (<span class="keyword">sizeof</span> (*pndd)))) {
<a name="l00044"></a>00044     <span class="keywordtype">size_t</span>  szN;
<a name="l00045"></a>00045 
<a name="l00046"></a>00046     <span class="keywordflow">if</span> (!pn533_usb_list_devices (pndd, 1, &amp;szN)) {
<a name="l00047"></a>00047       DBG (<span class="stringliteral">&quot;%s&quot;</span>, <span class="stringliteral">&quot;pn533_usb_list_devices failed&quot;</span>);
<a name="l00048"></a>00048       free (pndd);
<a name="l00049"></a>00049       <span class="keywordflow">return</span> NULL;
<a name="l00050"></a>00050     }
<a name="l00051"></a>00051 
<a name="l00052"></a>00052     <span class="keywordflow">if</span> (szN == 0) {
<a name="l00053"></a>00053       DBG (<span class="stringliteral">&quot;%s&quot;</span>, <span class="stringliteral">&quot;No device found&quot;</span>);
<a name="l00054"></a>00054       free (pndd);
<a name="l00055"></a>00055       <span class="keywordflow">return</span> NULL;
<a name="l00056"></a>00056     }
<a name="l00057"></a>00057   }
<a name="l00058"></a>00058 
<a name="l00059"></a>00059   <span class="keywordflow">return</span> pndd;
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061 
<a name="l00062"></a>00062 <span class="keywordtype">bool</span>
<a name="l00063"></a>00063 pn533_usb_list_devices (<a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> pnddDevices[], <span class="keywordtype">size_t</span> szDevices, <span class="keywordtype">size_t</span> * pszDeviceFound)
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065   <span class="comment">// array of {vendor,product} pairs for USB devices</span>
<a name="l00066"></a>00066   usb_candidate_t candidates[] = { 
<a name="l00067"></a>00067     { 0x04CC, 0x2533 }, <span class="comment">// NXP - PN533</span>
<a name="l00068"></a>00068     { 0x04E6, 0x5591 }, <span class="comment">// SCM Micro - SCL3711-NFC&amp;RW</span>
<a name="l00069"></a>00069     { 0x1FD3, 0x0608 }  <span class="comment">// ASK - LoGO</span>
<a name="l00070"></a>00070   };
<a name="l00071"></a>00071 
<a name="l00072"></a>00072   <span class="keywordflow">return</span> pn53x_usb_list_devices (&amp;pnddDevices[0], szDevices, pszDeviceFound, &amp;candidates[0],
<a name="l00073"></a>00073                                  <span class="keyword">sizeof</span> (candidates) / <span class="keyword">sizeof</span> (usb_candidate_t), PN533_USB_DRIVER_NAME);
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075 
<a name="l00076"></a>00076 <a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> *
<a name="l00077"></a>00077 pn533_usb_connect (<span class="keyword">const</span> <a class="code" href="structnfc__device__desc__t.html" title="NFC device description.">nfc_device_desc_t</a> * pndd)
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079   <span class="keywordflow">return</span> pn53x_usb_connect (pndd, pndd-&gt;<a class="code" href="structnfc__device__desc__t.html#a4ef2a14ef0b858ee15f40feba9270df0">acDevice</a>, NC_PN533);
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081 
<a name="l00082"></a>00082 <span class="keywordtype">void</span>
<a name="l00083"></a>00083 pn533_usb_init (<a class="code" href="structnfc__device__t.html" title="NFC device information.">nfc_device_t</a> * pnd)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085     usb_spec_t* pus = (usb_spec_t*) pnd-&gt;<a class="code" href="structnfc__device__t.html#a2cef5cf7a0f7590c2398bac39bef7bee">nds</a>;
<a name="l00086"></a>00086     DBG (<span class="stringliteral">&quot;pus-&gt;uc.idVendor == 0x%04x, pus-&gt;uc.idProduct == 0x%04x&quot;</span>, pus-&gt;uc.idVendor, pus-&gt;uc.idProduct);
<a name="l00087"></a>00087     <span class="keywordflow">if</span> ((pus-&gt;uc.idVendor == 0x1FD3) &amp;&amp; (pus-&gt;uc.idProduct == 0x0608)) { <span class="comment">// ASK - LoGO</span>
<a name="l00088"></a>00088       DBG (<span class="stringliteral">&quot;ASK LoGO initialization.&quot;</span>);
<a name="l00089"></a>00089       pn53x_set_reg (pnd, 0x6106, 0xFF, 0x1B);
<a name="l00090"></a>00090       pn53x_set_reg (pnd, 0x6306, 0xFF, 0x14);
<a name="l00091"></a>00091       pn53x_set_reg (pnd, 0xFFFD, 0xFF, 0x37);
<a name="l00092"></a>00092       pn53x_set_reg (pnd, 0xFFB0, 0xFF, 0x3B);
<a name="l00093"></a>00093     }
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095 
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