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<h1>usbwrap.h</h1><a href="usbwrap_8h.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"></span><span class="comment">/// \file usbwrap.h</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// USB API wrapper</span>
<a name="l00004"></a>00004 <span class="comment"></span><span class="comment">///</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">/*</span>
<a name="l00007"></a>00007 <span class="comment"> Copyright (C) 2005-2011, Chris Frey</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment"> (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment"> See the GNU General Public License in the COPYING file at the</span>
<a name="l00019"></a>00019 <span class="comment"> root directory of this project for more details.</span>
<a name="l00020"></a>00020 <span class="comment">*/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef __SB_USBWRAP_H__</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define __SB_USBWRAP_H__</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="dll_8h.html" title="Macros for handling DLL/library API visibility.">dll.h</a>"</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">// On Windows systems, usb.h includes <windows.h> which defines min/max,</span>
<a name="l00029"></a>00029 <span class="comment">// which causes trouble for other headers</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <usb.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#undef min</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#undef max</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <vector></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <map></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "<a class="code" href="error_8h.html" title="Common exception classes for the Barry library.">error.h</a>"</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#define USBWRAP_DEFAULT_TIMEOUT 30000</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="keyword">namespace </span>Barry { <span class="keyword">class </span>Data; }
<a name="l00041"></a>00041 <span class="comment"></span>
<a name="l00042"></a>00042 <span class="comment">/// Namespace for the libusb-related wrapper classes. This namespace</span>
<a name="l00043"></a>00043 <span class="comment">/// may change in the future.</span>
<a name="l00044"></a>00044 <span class="comment"></span><span class="keyword">namespace </span>Usb {
<a name="l00045"></a>00045 <span class="comment"></span>
<a name="l00046"></a>00046 <span class="comment">/// \addtogroup exceptions</span>
<a name="l00047"></a>00047 <span class="comment">/// @{</span>
<a name="l00048"></a>00048 <span class="comment"></span><span class="comment"></span>
<a name="l00049"></a>00049 <span class="comment">/// Thrown on low level USB errors.</span>
<a name="l00050"></a><a class="code" href="classUsb_1_1Error.html">00050</a> <span class="comment"></span><span class="keyword">class </span>BXEXPORT <a class="code" href="classUsb_1_1Error.html" title="Thrown on low level USB errors.">Error</a> : <span class="keyword">public</span> Barry::<a class="code" href="classUsb_1_1Error.html" title="Thrown on low level USB errors.">Error</a>
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <span class="keywordtype">int</span> m_libusb_errcode;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keyword">public</span>:
<a name="l00055"></a>00055 <a class="code" href="classUsb_1_1Error.html" title="Thrown on low level USB errors.">Error</a>(<span class="keyword">const</span> std::string &str);
<a name="l00056"></a>00056 <a class="code" href="classUsb_1_1Error.html" title="Thrown on low level USB errors.">Error</a>(<span class="keywordtype">int</span> libusb_errcode, <span class="keyword">const</span> std::string &str);
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// can return 0 in some case, if unknown error code</span>
<a name="l00059"></a>00059 <span class="keywordtype">int</span> libusb_errcode()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_libusb_errcode; }
<a name="l00060"></a>00060 };
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">class </span>BXEXPORT Timeout : <span class="keyword">public</span> <a class="code" href="classUsb_1_1Error.html" title="Thrown on low level USB errors.">Error</a>
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keyword">public</span>:
<a name="l00065"></a>00065 Timeout(<span class="keyword">const</span> std::string &str) : <a class="code" href="classUsb_1_1Error.html" title="Thrown on low level USB errors.">Error</a>(str) {}
<a name="l00066"></a>00066 Timeout(<span class="keywordtype">int</span> libusb_errcode, <span class="keyword">const</span> std::string &str)
<a name="l00067"></a>00067 : Error(libusb_errcode, str) {}
<a name="l00068"></a>00068 };
<a name="l00069"></a>00069 <span class="comment"></span>
<a name="l00070"></a>00070 <span class="comment">/// @}</span>
<a name="l00071"></a>00071 <span class="comment"></span><span class="comment"></span>
<a name="l00072"></a>00072 <span class="comment">/// Typedefs used by the wrapper class, in the hope to make it</span>
<a name="l00073"></a>00073 <span class="comment">/// easier to switch from libusb stable to devel and back.</span>
<a name="l00074"></a><a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f">00074</a> <span class="comment"></span><span class="keyword">typedef</span> <span class="keyword">struct </span>usb_device* <a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">DeviceIDType</a>;
<a name="l00075"></a>00075 <span class="keyword">typedef</span> <span class="keyword">struct </span>usb_dev_handle* DeviceHandleType;
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keyword">class </span>BXEXPORT Match
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 <span class="keyword">private</span>:
<a name="l00080"></a>00080 <span class="keyword">struct </span>usb_bus *m_busses;
<a name="l00081"></a>00081 <span class="keyword">struct </span>usb_device *m_dev;
<a name="l00082"></a>00082 <span class="keywordtype">int</span> m_vendor, m_product;
<a name="l00083"></a>00083 <span class="keywordtype">int</span> m_lasterror;
<a name="l00084"></a>00084 <span class="keyword">const</span> <span class="keywordtype">char</span> *m_busname;
<a name="l00085"></a>00085 <span class="keyword">const</span> <span class="keywordtype">char</span> *m_devname;
<a name="l00086"></a>00086 <span class="keyword">protected</span>:
<a name="l00087"></a>00087 <span class="keyword">static</span> <span class="keywordtype">bool</span> ToNum(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, <span class="keywordtype">long</span> &num);
<a name="l00088"></a>00088 <span class="keyword">static</span> <span class="keywordtype">bool</span> NameCompare(<span class="keyword">const</span> <span class="keywordtype">char</span> *n1, <span class="keyword">const</span> <span class="keywordtype">char</span> *n2);
<a name="l00089"></a>00089 <span class="keyword">public</span>:
<a name="l00090"></a>00090 Match(<span class="keywordtype">int</span> vendor, <span class="keywordtype">int</span> product,
<a name="l00091"></a>00091 <span class="keyword">const</span> <span class="keywordtype">char</span> *busname = 0, <span class="keyword">const</span> <span class="keywordtype">char</span> *devname = 0);
<a name="l00092"></a>00092 ~Match();
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">// searches for next match, and if found, fills devid with</span>
<a name="l00095"></a>00095 <span class="comment">// something you can pass on to DeviceDiscover, etc</span>
<a name="l00096"></a>00096 <span class="comment">// returns true if next is found, false if no more</span>
<a name="l00097"></a>00097 <span class="keywordtype">bool</span> next_device(<a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">Usb::DeviceIDType</a> *devid);
<a name="l00098"></a>00098 };
<a name="l00099"></a>00099
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">class </span>BXEXPORT Device
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="keyword">private</span>:
<a name="l00104"></a>00104 <a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">Usb::DeviceIDType</a> m_id;
<a name="l00105"></a>00105 Usb::DeviceHandleType m_handle;
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordtype">int</span> m_timeout;
<a name="l00108"></a>00108 <span class="keywordtype">int</span> m_lasterror;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keyword">public</span>:
<a name="l00111"></a>00111 Device(<a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">Usb::DeviceIDType</a> <span class="keywordtype">id</span>, <span class="keywordtype">int</span> timeout = USBWRAP_DEFAULT_TIMEOUT);
<a name="l00112"></a>00112 ~Device();
<a name="l00113"></a>00113 <span class="comment"></span>
<a name="l00114"></a>00114 <span class="comment"> /////////////////////////////</span>
<a name="l00115"></a>00115 <span class="comment"></span> <span class="comment">// Data access</span>
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">Usb::DeviceIDType</a> GetID()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_id; }
<a name="l00118"></a>00118 Usb::DeviceHandleType GetHandle()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_handle; }
<a name="l00119"></a>00119 <span class="keywordtype">int</span> GetLastError()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_lasterror; } <span class="comment">//< not thread safe...</span>
<a name="l00120"></a>00120 <span class="comment">//< use the error code stored in the exceptions to track</span>
<a name="l00121"></a>00121 <span class="comment">//< errors in threaded usage</span>
<a name="l00122"></a>00122 <span class="keywordtype">int</span> GetDefaultTimeout()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_timeout; }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="comment"></span>
<a name="l00125"></a>00125 <span class="comment"> /////////////////////////////</span>
<a name="l00126"></a>00126 <span class="comment"></span> <span class="comment">// Device manipulation</span>
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordtype">bool</span> SetConfiguration(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> cfg);
<a name="l00129"></a>00129 <span class="keywordtype">bool</span> ClearHalt(<span class="keywordtype">int</span> ep);
<a name="l00130"></a>00130 <span class="keywordtype">bool</span> Reset();
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="comment"></span>
<a name="l00133"></a>00133 <span class="comment"> /////////////////////////////</span>
<a name="l00134"></a>00134 <span class="comment"></span> <span class="comment">// IO functions</span>
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordtype">bool</span> BulkRead(<span class="keywordtype">int</span> ep, Barry::Data &data, <span class="keywordtype">int</span> timeout = -1);
<a name="l00137"></a>00137 <span class="keywordtype">bool</span> BulkWrite(<span class="keywordtype">int</span> ep, <span class="keyword">const</span> Barry::Data &data, <span class="keywordtype">int</span> timeout = -1);
<a name="l00138"></a>00138 <span class="keywordtype">bool</span> BulkWrite(<span class="keywordtype">int</span> ep, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> size, <span class="keywordtype">int</span> timeout = -1);
<a name="l00139"></a>00139 <span class="keywordtype">bool</span> InterruptRead(<span class="keywordtype">int</span> ep, Barry::Data &data, <span class="keywordtype">int</span> timeout = -1);
<a name="l00140"></a>00140 <span class="keywordtype">bool</span> InterruptWrite(<span class="keywordtype">int</span> ep, <span class="keyword">const</span> Barry::Data &data, <span class="keywordtype">int</span> timeout = -1);
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordtype">void</span> BulkDrain(<span class="keywordtype">int</span> ep, <span class="keywordtype">int</span> timeout = 100);
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="comment"></span>
<a name="l00145"></a>00145 <span class="comment"> /////////////////////////////</span>
<a name="l00146"></a>00146 <span class="comment"></span> <span class="comment">// Combo functions</span>
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keywordtype">bool</span> GetConfiguration(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> &cfg);
<a name="l00149"></a>00149 <span class="keywordtype">bool</span> SetAltInterface(<span class="keywordtype">int</span> iface);
<a name="l00150"></a>00150 };
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keyword">class </span>BXEXPORT Interface
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 Device &m_dev;
<a name="l00155"></a>00155 <span class="keywordtype">int</span> m_iface;
<a name="l00156"></a>00156 <span class="keyword">public</span>:
<a name="l00157"></a>00157 Interface(Device &dev, <span class="keywordtype">int</span> iface);
<a name="l00158"></a>00158 ~Interface();
<a name="l00159"></a>00159 };
<a name="l00160"></a>00160
<a name="l00161"></a>00161
<a name="l00162"></a>00162
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="comment">// Map of Endpoint numbers (not indexes) to endpoint descriptors</span>
<a name="l00165"></a>00165 <span class="keyword">struct </span>BXEXPORT EndpointPair
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> read;
<a name="l00168"></a>00168 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> write;
<a name="l00169"></a>00169 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> type;
<a name="l00170"></a>00170
<a name="l00171"></a>00171 EndpointPair() : read(0), write(0), type(0xff) {}
<a name="l00172"></a>00172 <span class="keywordtype">bool</span> IsTypeSet()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> type != 0xff; }
<a name="l00173"></a>00173 <span class="keywordtype">bool</span> IsComplete()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> read && write && IsTypeSet(); }
<a name="l00174"></a>00174 };
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keyword">class </span>BXEXPORT EndpointDiscovery : <span class="keyword">public</span> std::map<unsigned char, usb_endpoint_descriptor>
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 <span class="keyword">friend</span> <span class="keyword">class </span>InterfaceDiscovery;
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="keyword">public</span>:
<a name="l00181"></a>00181 <span class="keyword">typedef</span> std::map<unsigned char, usb_endpoint_descriptor>base_type;
<a name="l00182"></a>00182 <span class="keyword">typedef</span> std::vector<EndpointPair> endpoint_array_type;
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keyword">private</span>:
<a name="l00185"></a>00185 <span class="keywordtype">bool</span> m_valid;
<a name="l00186"></a>00186 endpoint_array_type m_endpoints;
<a name="l00187"></a>00187
<a name="l00188"></a>00188 BXLOCAL <span class="keywordtype">bool</span> Discover(<span class="keyword">struct</span> usb_interface_descriptor *interface, <span class="keywordtype">int</span> epcount);
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="keyword">public</span>:
<a name="l00191"></a>00191 EndpointDiscovery() : m_valid(false) {}
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keywordtype">bool</span> IsValid()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_valid; }
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <span class="keyword">const</span> endpoint_array_type & GetEndpointPairs()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_endpoints; }
<a name="l00196"></a>00196 };
<a name="l00197"></a>00197
<a name="l00198"></a>00198
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="comment">// Map of Interface numbers (not indexes) to interface descriptors and endpoint map</span>
<a name="l00201"></a>00201 <span class="keyword">struct </span>BXEXPORT InterfaceDesc
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 usb_interface_descriptor desc;
<a name="l00204"></a>00204 EndpointDiscovery endpoints;
<a name="l00205"></a>00205 };
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keyword">class </span>BXEXPORT InterfaceDiscovery : <span class="keyword">public</span> std::map<int, InterfaceDesc>
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 <span class="keyword">public</span>:
<a name="l00210"></a>00210 <span class="keyword">typedef</span> std::map<int, InterfaceDesc> base_type;
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="keyword">private</span>:
<a name="l00213"></a>00213 <span class="keywordtype">bool</span> m_valid;
<a name="l00214"></a>00214
<a name="l00215"></a>00215 BXLOCAL <span class="keywordtype">bool</span> DiscoverInterface(<span class="keyword">struct</span> usb_interface *interface);
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="keyword">public</span>:
<a name="l00218"></a>00218 InterfaceDiscovery() : m_valid(false) {}
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <span class="keywordtype">bool</span> Discover(<a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">Usb::DeviceIDType</a> devid, <span class="keywordtype">int</span> cfgidx, <span class="keywordtype">int</span> ifcount);
<a name="l00221"></a>00221 <span class="keywordtype">bool</span> IsValid()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_valid; }
<a name="l00222"></a>00222 };
<a name="l00223"></a>00223
<a name="l00224"></a>00224
<a name="l00225"></a>00225
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="comment">// Map of Config numbers (not indexes) to config descriptors and interface map</span>
<a name="l00228"></a>00228 <span class="keyword">struct </span>BXEXPORT ConfigDesc
<a name="l00229"></a>00229 {
<a name="l00230"></a>00230 usb_config_descriptor desc;
<a name="l00231"></a>00231 InterfaceDiscovery interfaces;
<a name="l00232"></a>00232 };
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="keyword">class </span>BXEXPORT ConfigDiscovery : <span class="keyword">public</span> std::map<unsigned char, ConfigDesc>
<a name="l00235"></a>00235 {
<a name="l00236"></a>00236 <span class="keyword">public</span>:
<a name="l00237"></a>00237 <span class="keyword">typedef</span> std::map<unsigned char, ConfigDesc> base_type;
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="keyword">private</span>:
<a name="l00240"></a>00240 <span class="keywordtype">bool</span> m_valid;
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="keyword">public</span>:
<a name="l00243"></a>00243 ConfigDiscovery() : m_valid(false) {}
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keywordtype">bool</span> Discover(<a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">Usb::DeviceIDType</a> devid, <span class="keywordtype">int</span> cfgcount);
<a name="l00246"></a>00246 <span class="keywordtype">bool</span> IsValid()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_valid; }
<a name="l00247"></a>00247 };
<a name="l00248"></a>00248
<a name="l00249"></a>00249
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="comment">// Discovers all configurations, interfaces, and endpoints for a given device</span>
<a name="l00252"></a>00252 <span class="keyword">class </span>BXEXPORT DeviceDiscovery
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 <span class="keywordtype">bool</span> m_valid;
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keyword">public</span>:
<a name="l00257"></a>00257 usb_device_descriptor desc;
<a name="l00258"></a>00258 ConfigDiscovery configs;
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="keyword">public</span>:
<a name="l00261"></a>00261 DeviceDiscovery(<a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">Usb::DeviceIDType</a> devid);
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="keywordtype">bool</span> Discover(<a class="code" href="namespaceUsb.html#6d445b3f5ddb92da82207f62e7d9494f" title="Typedefs used by the wrapper class, in the hope to make it easier to switch from...">Usb::DeviceIDType</a> devid);
<a name="l00264"></a>00264 <span class="keywordtype">bool</span> IsValid()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_valid; }
<a name="l00265"></a>00265 };
<a name="l00266"></a>00266
<a name="l00267"></a>00267 } <span class="comment">// namespace Usb</span>
<a name="l00268"></a>00268
<a name="l00269"></a>00269 <span class="preprocessor">#endif</span>
<a name="l00270"></a>00270 <span class="preprocessor"></span>
</pre></div></div>
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