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lib64usb1.0-devel-1.0.7-3mdv2010.1.x86_64.rpm

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<h1>libusb.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Public libusb header file</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2007-2008 Daniel Drake &lt;dsd@gentoo.org&gt;</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (c) 2001 Johannes Erdfelt &lt;johannes@erdfelt.com&gt;</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00008"></a>00008 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> * Lesser General Public License for 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</span>
<a name="l00017"></a>00017 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00018"></a>00018 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef __LIBUSB_H__</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define __LIBUSB_H__</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;stdint.h&gt;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;sys/time.h&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;sys/types.h&gt;</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;time.h&gt;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;limits.h&gt;</span>
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {
<a name="l00032"></a>00032 <span class="preprocessor">#endif</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00042"></a><a class="code" href="group__misc.html#ga9a5d3ac9ba5b501c1a2c5b0bae155ae6">00042</a> <span class="preprocessor">#define libusb_cpu_to_le16(x) ({ \</span>
<a name="l00043"></a>00043 <span class="preprocessor">    union { \</span>
<a name="l00044"></a>00044 <span class="preprocessor">        uint8_t  b8[2]; \</span>
<a name="l00045"></a>00045 <span class="preprocessor">        uint16_t b16; \</span>
<a name="l00046"></a>00046 <span class="preprocessor">    } _tmp; \</span>
<a name="l00047"></a>00047 <span class="preprocessor">    uint16_t _tmp2 = (uint16_t)(x); \</span>
<a name="l00048"></a>00048 <span class="preprocessor">    _tmp.b8[1] = _tmp2 &gt;&gt; 8; \</span>
<a name="l00049"></a>00049 <span class="preprocessor">    _tmp.b8[0] = _tmp2 &amp; 0xff; \</span>
<a name="l00050"></a>00050 <span class="preprocessor">    _tmp.b16; \</span>
<a name="l00051"></a>00051 <span class="preprocessor">})</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00061"></a><a class="code" href="group__misc.html#ga22961bb8cb0d6a9b22c88079efb59b8b">00061</a> <span class="preprocessor">#define libusb_le16_to_cpu libusb_cpu_to_le16</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 <span class="comment">/* standard USB stuff */</span>
<a name="l00064"></a>00064 
<a name="l00067"></a><a class="code" href="group__desc.html#gac529888effbefef8af4f9d17ebc903a1">00067</a> <span class="keyword">enum</span> <a class="code" href="group__desc.html#gac529888effbefef8af4f9d17ebc903a1" title="Device and/or Interface Class codes.">libusb_class_code</a> {
<a name="l00072"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ac6d01c08f92219d625162271d9547550">00072</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ac6d01c08f92219d625162271d9547550" title="In the context of a device descriptor, this bDeviceClass value indicates that each...">LIBUSB_CLASS_PER_INTERFACE</a> = 0,
<a name="l00073"></a>00073 
<a name="l00075"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1a1f87be5c5c32c30e1e6831abdb61461a">00075</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1a1f87be5c5c32c30e1e6831abdb61461a" title="Audio class.">LIBUSB_CLASS_AUDIO</a> = 1,
<a name="l00076"></a>00076 
<a name="l00078"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1a7db61f0ea65d1919962ac0370513183b">00078</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1a7db61f0ea65d1919962ac0370513183b" title="Communications class.">LIBUSB_CLASS_COMM</a> = 2,
<a name="l00079"></a>00079 
<a name="l00081"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ad126069ffbc9cb3cda97fe0fe8c190f3">00081</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ad126069ffbc9cb3cda97fe0fe8c190f3" title="Human Interface Device class.">LIBUSB_CLASS_HID</a> = 3,
<a name="l00082"></a>00082 
<a name="l00084"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ab1592f5d41d4ee3ccfe0adef8cbf04ee">00084</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ab1592f5d41d4ee3ccfe0adef8cbf04ee" title="Printer dclass.">LIBUSB_CLASS_PRINTER</a> = 7,
<a name="l00085"></a>00085 
<a name="l00087"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1abcd1d4f42671058f70ab9ae41c5ce303">00087</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1abcd1d4f42671058f70ab9ae41c5ce303" title="Picture transfer protocol class.">LIBUSB_CLASS_PTP</a> = 6,
<a name="l00088"></a>00088 
<a name="l00090"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ac84d2301375aef28bf5c3f4bda35f9d1">00090</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ac84d2301375aef28bf5c3f4bda35f9d1" title="Mass storage class.">LIBUSB_CLASS_MASS_STORAGE</a> = 8,
<a name="l00091"></a>00091 
<a name="l00093"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1a28ba55c39b90ba3f281542e4ffdb626d">00093</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1a28ba55c39b90ba3f281542e4ffdb626d" title="Hub class.">LIBUSB_CLASS_HUB</a> = 9,
<a name="l00094"></a>00094 
<a name="l00096"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1aa18621124b0db0f8972556647ad16827">00096</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1aa18621124b0db0f8972556647ad16827" title="Data class.">LIBUSB_CLASS_DATA</a> = 10,
<a name="l00097"></a>00097 
<a name="l00099"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1aaeea39cf3f500f56381cd6e05132d934">00099</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1aaeea39cf3f500f56381cd6e05132d934" title="Wireless class.">LIBUSB_CLASS_WIRELESS</a> = 0xe0,
<a name="l00100"></a>00100 
<a name="l00102"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1a3a95beae54453469c4862efc1606dcc9">00102</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1a3a95beae54453469c4862efc1606dcc9" title="Application class.">LIBUSB_CLASS_APPLICATION</a> = 0xfe,
<a name="l00103"></a>00103 
<a name="l00105"></a><a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ad68e1d33a332360428f838c6ddd847f6">00105</a>     <a class="code" href="group__desc.html#ggac529888effbefef8af4f9d17ebc903a1ad68e1d33a332360428f838c6ddd847f6" title="Class is vendor-specific.">LIBUSB_CLASS_VENDOR_SPEC</a> = 0xff
<a name="l00106"></a>00106 };
<a name="l00107"></a>00107 
<a name="l00110"></a><a class="code" href="group__desc.html#ga0a2e8a25dfdebf29fdd4764dcdbc1a9c">00110</a> <span class="keyword">enum</span> <a class="code" href="group__desc.html#ga0a2e8a25dfdebf29fdd4764dcdbc1a9c" title="Descriptor types as defined by the USB specification.">libusb_descriptor_type</a> {
<a name="l00112"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca486e222e9f3053502ce4954a5bd89ba2">00112</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca486e222e9f3053502ce4954a5bd89ba2" title="Device descriptor.">LIBUSB_DT_DEVICE</a> = 0x01,
<a name="l00113"></a>00113 
<a name="l00115"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca2a3f906d7755932ab67f39701da0b508">00115</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca2a3f906d7755932ab67f39701da0b508" title="Configuration descriptor.">LIBUSB_DT_CONFIG</a> = 0x02,
<a name="l00116"></a>00116 
<a name="l00118"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca2b8ca4332dce1357767ecab20ed2f4c2">00118</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca2b8ca4332dce1357767ecab20ed2f4c2" title="String descriptor.">LIBUSB_DT_STRING</a> = 0x03,
<a name="l00119"></a>00119 
<a name="l00121"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca797f18e35ee27434562aed0c20c46b78">00121</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca797f18e35ee27434562aed0c20c46b78" title="Interface descriptor.">LIBUSB_DT_INTERFACE</a> = 0x04,
<a name="l00122"></a>00122 
<a name="l00124"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca97df43465eec9e6db81346f521777815">00124</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca97df43465eec9e6db81346f521777815" title="Endpoint descriptor.">LIBUSB_DT_ENDPOINT</a> = 0x05,
<a name="l00125"></a>00125 
<a name="l00127"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca3085fb63563770bfa1ede7b27cbf4f5e">00127</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca3085fb63563770bfa1ede7b27cbf4f5e" title="HID descriptor.">LIBUSB_DT_HID</a> = 0x21,
<a name="l00128"></a>00128 
<a name="l00130"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca3972f13fb6b6abdb0978dc43d9d24e6f">00130</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca3972f13fb6b6abdb0978dc43d9d24e6f" title="HID report descriptor.">LIBUSB_DT_REPORT</a> = 0x22,
<a name="l00131"></a>00131 
<a name="l00133"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca77c22f3dc80f2a505c22c68cc54c70d3">00133</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca77c22f3dc80f2a505c22c68cc54c70d3" title="Physical descriptor.">LIBUSB_DT_PHYSICAL</a> = 0x23,
<a name="l00134"></a>00134 
<a name="l00136"></a><a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca2186edbc7dc05b063ac41103a5ccfa9a">00136</a>     <a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca2186edbc7dc05b063ac41103a5ccfa9a" title="Hub descriptor.">LIBUSB_DT_HUB</a> = 0x29
<a name="l00137"></a>00137 };
<a name="l00138"></a>00138 
<a name="l00139"></a>00139 <span class="comment">/* Descriptor sizes per descriptor type */</span>
<a name="l00140"></a>00140 <span class="preprocessor">#define LIBUSB_DT_DEVICE_SIZE           18</span>
<a name="l00141"></a>00141 <span class="preprocessor"></span><span class="preprocessor">#define LIBUSB_DT_CONFIG_SIZE           9</span>
<a name="l00142"></a>00142 <span class="preprocessor"></span><span class="preprocessor">#define LIBUSB_DT_INTERFACE_SIZE        9</span>
<a name="l00143"></a>00143 <span class="preprocessor"></span><span class="preprocessor">#define LIBUSB_DT_ENDPOINT_SIZE     7</span>
<a name="l00144"></a>00144 <span class="preprocessor"></span><span class="preprocessor">#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE   9   </span><span class="comment">/* Audio extension */</span>
<a name="l00145"></a>00145 <span class="preprocessor">#define LIBUSB_DT_HUB_NONVAR_SIZE       7</span>
<a name="l00146"></a>00146 <span class="preprocessor"></span>
<a name="l00147"></a>00147 <span class="preprocessor">#define LIBUSB_ENDPOINT_ADDRESS_MASK    0x0f    </span><span class="comment">/* in bEndpointAddress */</span>
<a name="l00148"></a>00148 <span class="preprocessor">#define LIBUSB_ENDPOINT_DIR_MASK        0x80</span>
<a name="l00149"></a>00149 <span class="preprocessor"></span>
<a name="l00154"></a><a class="code" href="group__desc.html#ga86c880af878493aa8f805c2aba654b8b">00154</a> <span class="keyword">enum</span> <a class="code" href="group__desc.html#ga86c880af878493aa8f805c2aba654b8b" title="Endpoint direction.">libusb_endpoint_direction</a> {
<a name="l00156"></a><a class="code" href="group__desc.html#gga86c880af878493aa8f805c2aba654b8ba3829979c66e5344367f32f4a31d43613">00156</a>     <a class="code" href="group__desc.html#gga86c880af878493aa8f805c2aba654b8ba3829979c66e5344367f32f4a31d43613" title="In: device-to-host.">LIBUSB_ENDPOINT_IN</a> = 0x80,
<a name="l00157"></a>00157 
<a name="l00159"></a><a class="code" href="group__desc.html#gga86c880af878493aa8f805c2aba654b8ba940484c16d44bdfc6eccc2de7a9ffcb2">00159</a>     <a class="code" href="group__desc.html#gga86c880af878493aa8f805c2aba654b8ba940484c16d44bdfc6eccc2de7a9ffcb2" title="Out: host-to-device.">LIBUSB_ENDPOINT_OUT</a> = 0x00
<a name="l00160"></a>00160 };
<a name="l00161"></a>00161 
<a name="l00162"></a>00162 <span class="preprocessor">#define LIBUSB_TRANSFER_TYPE_MASK           0x03    </span><span class="comment">/* in bmAttributes */</span>
<a name="l00163"></a>00163 
<a name="l00168"></a><a class="code" href="group__desc.html#gacb52027036a07de6ecc6c2bf07d07c71">00168</a> <span class="keyword">enum</span> <a class="code" href="group__desc.html#gacb52027036a07de6ecc6c2bf07d07c71" title="Endpoint transfer type.">libusb_transfer_type</a> {
<a name="l00170"></a><a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a4c89624658c783ef9b2a2f08091bc7d7">00170</a>     <a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a4c89624658c783ef9b2a2f08091bc7d7" title="Control endpoint.">LIBUSB_TRANSFER_TYPE_CONTROL</a> = 0,
<a name="l00171"></a>00171 
<a name="l00173"></a><a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a40de9889554fc1785d784b3c31333300">00173</a>     <a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a40de9889554fc1785d784b3c31333300" title="Isochronous endpoint.">LIBUSB_TRANSFER_TYPE_ISOCHRONOUS</a> = 1,
<a name="l00174"></a>00174 
<a name="l00176"></a><a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a7bdfa2fc5dadbaaa0e9262e1b4a228e2">00176</a>     <a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a7bdfa2fc5dadbaaa0e9262e1b4a228e2" title="Bulk endpoint.">LIBUSB_TRANSFER_TYPE_BULK</a> = 2,
<a name="l00177"></a>00177 
<a name="l00179"></a><a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71aefb0e07862c0eed894ec9c2f957a7e3c">00179</a>     <a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71aefb0e07862c0eed894ec9c2f957a7e3c" title="Interrupt endpoint.">LIBUSB_TRANSFER_TYPE_INTERRUPT</a> = 3
<a name="l00180"></a>00180 };
<a name="l00181"></a>00181 
<a name="l00184"></a><a class="code" href="group__misc.html#ga5b5912057c2d7e23b3ed5aa0c20236df">00184</a> <span class="keyword">enum</span> <a class="code" href="group__misc.html#ga5b5912057c2d7e23b3ed5aa0c20236df" title="Standard requests, as defined in table 9-3 of the USB2 specifications.">libusb_standard_request</a> {
<a name="l00186"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa42f2eefbbd7a5c5cce68ca5989a02a7a">00186</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa42f2eefbbd7a5c5cce68ca5989a02a7a" title="Request status of the specific recipient.">LIBUSB_REQUEST_GET_STATUS</a> = 0x00,
<a name="l00187"></a>00187 
<a name="l00189"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa0b0f3b3ac6e8ebca120bf3581c5505de">00189</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa0b0f3b3ac6e8ebca120bf3581c5505de" title="Clear or disable a specific feature.">LIBUSB_REQUEST_CLEAR_FEATURE</a> = 0x01,
<a name="l00190"></a>00190 
<a name="l00191"></a>00191     <span class="comment">/* 0x02 is reserved */</span>
<a name="l00192"></a>00192 
<a name="l00194"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa6059966cdfccc4db0cccaab22a6d9a83">00194</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa6059966cdfccc4db0cccaab22a6d9a83" title="Set or enable a specific feature.">LIBUSB_REQUEST_SET_FEATURE</a> = 0x03,
<a name="l00195"></a>00195 
<a name="l00196"></a>00196     <span class="comment">/* 0x04 is reserved */</span>
<a name="l00197"></a>00197 
<a name="l00199"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa7c69aef99e548d128bc1f9e18c539c1d">00199</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa7c69aef99e548d128bc1f9e18c539c1d" title="Set device address for all future accesses.">LIBUSB_REQUEST_SET_ADDRESS</a> = 0x05,
<a name="l00200"></a>00200 
<a name="l00202"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa3ebb19fe897a2a36e90b2e8193b88b0f">00202</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa3ebb19fe897a2a36e90b2e8193b88b0f" title="Get the specified descriptor.">LIBUSB_REQUEST_GET_DESCRIPTOR</a> = 0x06,
<a name="l00203"></a>00203 
<a name="l00205"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa40ad5a26219379bbbeab2137b21dcb74">00205</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa40ad5a26219379bbbeab2137b21dcb74" title="Used to update existing descriptors or add new descriptors.">LIBUSB_REQUEST_SET_DESCRIPTOR</a> = 0x07,
<a name="l00206"></a>00206 
<a name="l00208"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa7e33754fe6c088b94905c387155a8586">00208</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa7e33754fe6c088b94905c387155a8586" title="Get the current device configuration value.">LIBUSB_REQUEST_GET_CONFIGURATION</a> = 0x08,
<a name="l00209"></a>00209 
<a name="l00211"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfaefcadf8a4b1f0d1dadd79764486b2cb3">00211</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfaefcadf8a4b1f0d1dadd79764486b2cb3" title="Set device configuration.">LIBUSB_REQUEST_SET_CONFIGURATION</a> = 0x09,
<a name="l00212"></a>00212 
<a name="l00214"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa179b703deda249f6e48412bc2cf61d8c">00214</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa179b703deda249f6e48412bc2cf61d8c" title="Return the selected alternate setting for the specified interface.">LIBUSB_REQUEST_GET_INTERFACE</a> = 0x0A,
<a name="l00215"></a>00215 
<a name="l00217"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa72e910864721ebe3e5cb6a5b53de6061">00217</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa72e910864721ebe3e5cb6a5b53de6061" title="Select an alternate interface for the specified interface.">LIBUSB_REQUEST_SET_INTERFACE</a> = 0x0B,
<a name="l00218"></a>00218 
<a name="l00220"></a><a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfab4244333798720a3664e59187819f2d5">00220</a>     <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfab4244333798720a3664e59187819f2d5" title="Set then report an endpoint&amp;#39;s synchronization frame.">LIBUSB_REQUEST_SYNCH_FRAME</a> = 0x0C
<a name="l00221"></a>00221 };
<a name="l00222"></a>00222 
<a name="l00227"></a><a class="code" href="group__misc.html#ga0b0933ae70744726cde11254c39fac91">00227</a> <span class="keyword">enum</span> <a class="code" href="group__misc.html#ga0b0933ae70744726cde11254c39fac91" title="Request type bits of the bmRequestType field in control transfers.">libusb_request_type</a> {
<a name="l00229"></a><a class="code" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a20eca62c34d2d25be7e1776510184209">00229</a>     <a class="code" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a20eca62c34d2d25be7e1776510184209" title="Standard.">LIBUSB_REQUEST_TYPE_STANDARD</a> = (0x00 &lt;&lt; 5),
<a name="l00230"></a>00230 
<a name="l00232"></a><a class="code" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a43f45ae56bf339e3f984a4182fdd85f0">00232</a>     <a class="code" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a43f45ae56bf339e3f984a4182fdd85f0" title="Class.">LIBUSB_REQUEST_TYPE_CLASS</a> = (0x01 &lt;&lt; 5),
<a name="l00233"></a>00233 
<a name="l00235"></a><a class="code" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a1585f40d2a73c752a5f60688612c1345">00235</a>     <a class="code" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a1585f40d2a73c752a5f60688612c1345" title="Vendor.">LIBUSB_REQUEST_TYPE_VENDOR</a> = (0x02 &lt;&lt; 5),
<a name="l00236"></a>00236 
<a name="l00238"></a><a class="code" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a8e2a1b00f9bcf05d3303c75c9e9cda69">00238</a>     <a class="code" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a8e2a1b00f9bcf05d3303c75c9e9cda69" title="Reserved.">LIBUSB_REQUEST_TYPE_RESERVED</a> = (0x03 &lt;&lt; 5)
<a name="l00239"></a>00239 };
<a name="l00240"></a>00240 
<a name="l00245"></a><a class="code" href="group__misc.html#ga20a4e8a729aa543fa742a5086596cbae">00245</a> <span class="keyword">enum</span> <a class="code" href="group__misc.html#ga20a4e8a729aa543fa742a5086596cbae" title="Recipient bits of the bmRequestType field in control transfers.">libusb_request_recipient</a> {
<a name="l00247"></a><a class="code" href="group__misc.html#gga20a4e8a729aa543fa742a5086596cbaeaf39ffde2a586d565a817bfd591f2dc33">00247</a>     <a class="code" href="group__misc.html#gga20a4e8a729aa543fa742a5086596cbaeaf39ffde2a586d565a817bfd591f2dc33" title="Device.">LIBUSB_RECIPIENT_DEVICE</a> = 0x00,
<a name="l00248"></a>00248 
<a name="l00250"></a><a class="code" href="group__misc.html#gga20a4e8a729aa543fa742a5086596cbaea9e5f9678cb9b301ccc07a247d350aadc">00250</a>     <a class="code" href="group__misc.html#gga20a4e8a729aa543fa742a5086596cbaea9e5f9678cb9b301ccc07a247d350aadc" title="Interface.">LIBUSB_RECIPIENT_INTERFACE</a> = 0x01,
<a name="l00251"></a>00251 
<a name="l00253"></a><a class="code" href="group__misc.html#gga20a4e8a729aa543fa742a5086596cbaea6873e84c5a1ae0160891ebab16e5d93b">00253</a>     <a class="code" href="group__misc.html#gga20a4e8a729aa543fa742a5086596cbaea6873e84c5a1ae0160891ebab16e5d93b" title="Endpoint.">LIBUSB_RECIPIENT_ENDPOINT</a> = 0x02,
<a name="l00254"></a>00254 
<a name="l00256"></a><a class="code" href="group__misc.html#gga20a4e8a729aa543fa742a5086596cbaeae6f863cf9e2122d2194916876e9477eb">00256</a>     <a class="code" href="group__misc.html#gga20a4e8a729aa543fa742a5086596cbaeae6f863cf9e2122d2194916876e9477eb" title="Other.">LIBUSB_RECIPIENT_OTHER</a> = 0x03
<a name="l00257"></a>00257 };
<a name="l00258"></a>00258 
<a name="l00259"></a>00259 <span class="preprocessor">#define LIBUSB_ISO_SYNC_TYPE_MASK       0x0C</span>
<a name="l00260"></a>00260 <span class="preprocessor"></span>
<a name="l00266"></a><a class="code" href="group__desc.html#gaa2231202dfe12eddca49b1193d44a441">00266</a> <span class="keyword">enum</span> <a class="code" href="group__desc.html#gaa2231202dfe12eddca49b1193d44a441" title="Synchronization type for isochronous endpoints.">libusb_iso_sync_type</a> {
<a name="l00268"></a><a class="code" href="group__desc.html#ggaa2231202dfe12eddca49b1193d44a441a4a74eefd565a40b4ed911baaaaea1cee">00268</a>     <a class="code" href="group__desc.html#ggaa2231202dfe12eddca49b1193d44a441a4a74eefd565a40b4ed911baaaaea1cee" title="No synchronization.">LIBUSB_ISO_SYNC_TYPE_NONE</a> = 0,
<a name="l00269"></a>00269 
<a name="l00271"></a><a class="code" href="group__desc.html#ggaa2231202dfe12eddca49b1193d44a441ab97a868cd66bfcac50f9ccf8ff0b3a67">00271</a>     <a class="code" href="group__desc.html#ggaa2231202dfe12eddca49b1193d44a441ab97a868cd66bfcac50f9ccf8ff0b3a67" title="Asynchronous.">LIBUSB_ISO_SYNC_TYPE_ASYNC</a> = 1,
<a name="l00272"></a>00272 
<a name="l00274"></a><a class="code" href="group__desc.html#ggaa2231202dfe12eddca49b1193d44a441a813f487563e5b61a8399e7512f0c303b">00274</a>     <a class="code" href="group__desc.html#ggaa2231202dfe12eddca49b1193d44a441a813f487563e5b61a8399e7512f0c303b" title="Adaptive.">LIBUSB_ISO_SYNC_TYPE_ADAPTIVE</a> = 2,
<a name="l00275"></a>00275 
<a name="l00277"></a><a class="code" href="group__desc.html#ggaa2231202dfe12eddca49b1193d44a441a39244a977707c95c7f3ba0e978faba84">00277</a>     <a class="code" href="group__desc.html#ggaa2231202dfe12eddca49b1193d44a441a39244a977707c95c7f3ba0e978faba84" title="Synchronous.">LIBUSB_ISO_SYNC_TYPE_SYNC</a> = 3
<a name="l00278"></a>00278 };
<a name="l00279"></a>00279 
<a name="l00280"></a>00280 <span class="preprocessor">#define LIBUSB_ISO_USAGE_TYPE_MASK 0x30</span>
<a name="l00281"></a>00281 <span class="preprocessor"></span>
<a name="l00287"></a><a class="code" href="group__desc.html#gab72474551b0eb965401e6febb856007c">00287</a> <span class="keyword">enum</span> <a class="code" href="group__desc.html#gab72474551b0eb965401e6febb856007c" title="Usage type for isochronous endpoints.">libusb_iso_usage_type</a> {
<a name="l00289"></a><a class="code" href="group__desc.html#ggab72474551b0eb965401e6febb856007ca13edfd0d36d959bcf32d5cca341c7f38">00289</a>     <a class="code" href="group__desc.html#ggab72474551b0eb965401e6febb856007ca13edfd0d36d959bcf32d5cca341c7f38" title="Data endpoint.">LIBUSB_ISO_USAGE_TYPE_DATA</a> = 0,
<a name="l00290"></a>00290 
<a name="l00292"></a><a class="code" href="group__desc.html#ggab72474551b0eb965401e6febb856007ca2390aa76c4444e0b590fb65f305e4485">00292</a>     <a class="code" href="group__desc.html#ggab72474551b0eb965401e6febb856007ca2390aa76c4444e0b590fb65f305e4485" title="Feedback endpoint.">LIBUSB_ISO_USAGE_TYPE_FEEDBACK</a> = 1,
<a name="l00293"></a>00293 
<a name="l00295"></a><a class="code" href="group__desc.html#ggab72474551b0eb965401e6febb856007ca8e48a0bad38cfaf0e87dfdc225f91e32">00295</a>     <a class="code" href="group__desc.html#ggab72474551b0eb965401e6febb856007ca8e48a0bad38cfaf0e87dfdc225f91e32" title="Implicit feedback Data endpoint.">LIBUSB_ISO_USAGE_TYPE_IMPLICIT</a> = 2
<a name="l00296"></a>00296 };
<a name="l00297"></a>00297 
<a name="l00303"></a><a class="code" href="structlibusb__device__descriptor.html">00303</a> <span class="keyword">struct </span><a class="code" href="structlibusb__device__descriptor.html" title="A structure representing the standard USB device descriptor.">libusb_device_descriptor</a> {
<a name="l00305"></a><a class="code" href="structlibusb__device__descriptor.html#affda0be3fe1c37092ddc7cb120428f30">00305</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#affda0be3fe1c37092ddc7cb120428f30" title="Size of this descriptor (in bytes).">bLength</a>;
<a name="l00306"></a>00306 
<a name="l00310"></a><a class="code" href="structlibusb__device__descriptor.html#a63c4b109725ce829fc81c5c9cad8c87a">00310</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#a63c4b109725ce829fc81c5c9cad8c87a" title="Descriptor type.">bDescriptorType</a>;
<a name="l00311"></a>00311 
<a name="l00314"></a><a class="code" href="structlibusb__device__descriptor.html#af0682f293291db942b5d253092d472e4">00314</a>     uint16_t <a class="code" href="structlibusb__device__descriptor.html#af0682f293291db942b5d253092d472e4" title="USB specification release number in binary-coded decimal.">bcdUSB</a>;
<a name="l00315"></a>00315 
<a name="l00317"></a><a class="code" href="structlibusb__device__descriptor.html#ab86c8f43e75d4d54fccbc199cfa9703b">00317</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#ab86c8f43e75d4d54fccbc199cfa9703b" title="USB-IF class code for the device.">bDeviceClass</a>;
<a name="l00318"></a>00318 
<a name="l00321"></a><a class="code" href="structlibusb__device__descriptor.html#a9c3a91102d3d53d9414d0dda0191c5ab">00321</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#a9c3a91102d3d53d9414d0dda0191c5ab" title="USB-IF subclass code for the device, qualified by the bDeviceClass value.">bDeviceSubClass</a>;
<a name="l00322"></a>00322 
<a name="l00325"></a><a class="code" href="structlibusb__device__descriptor.html#a480a0b5345a2e59987e20fa7247c3f0e">00325</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#a480a0b5345a2e59987e20fa7247c3f0e" title="USB-IF protocol code for the device, qualified by the bDeviceClass and bDeviceSubClass...">bDeviceProtocol</a>;
<a name="l00326"></a>00326 
<a name="l00328"></a><a class="code" href="structlibusb__device__descriptor.html#a3b60170f077c9b26fc9f86e0cdb1d28a">00328</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#a3b60170f077c9b26fc9f86e0cdb1d28a" title="Maximum packet size for endpoint 0.">bMaxPacketSize0</a>;
<a name="l00329"></a>00329 
<a name="l00331"></a><a class="code" href="structlibusb__device__descriptor.html#ad26c5e2fbd16ce3ee143f4bac5d49bda">00331</a>     uint16_t <a class="code" href="structlibusb__device__descriptor.html#ad26c5e2fbd16ce3ee143f4bac5d49bda" title="USB-IF vendor ID.">idVendor</a>;
<a name="l00332"></a>00332 
<a name="l00334"></a><a class="code" href="structlibusb__device__descriptor.html#a568d479fb0b76ea572a739c961fd3047">00334</a>     uint16_t <a class="code" href="structlibusb__device__descriptor.html#a568d479fb0b76ea572a739c961fd3047" title="USB-IF product ID.">idProduct</a>;
<a name="l00335"></a>00335 
<a name="l00337"></a><a class="code" href="structlibusb__device__descriptor.html#afb5e0fc6f0cfe51de900d35506fb9317">00337</a>     uint16_t <a class="code" href="structlibusb__device__descriptor.html#afb5e0fc6f0cfe51de900d35506fb9317" title="Device release number in binary-coded decimal.">bcdDevice</a>;
<a name="l00338"></a>00338 
<a name="l00340"></a><a class="code" href="structlibusb__device__descriptor.html#ab9e9a064265f2833d1d3f216f15a487a">00340</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#ab9e9a064265f2833d1d3f216f15a487a" title="Index of string descriptor describing manufacturer.">iManufacturer</a>;
<a name="l00341"></a>00341 
<a name="l00343"></a><a class="code" href="structlibusb__device__descriptor.html#a20082f9e03f1cbffef3d9472a8dcfd64">00343</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#a20082f9e03f1cbffef3d9472a8dcfd64" title="Index of string descriptor describing product.">iProduct</a>;
<a name="l00344"></a>00344 
<a name="l00346"></a><a class="code" href="structlibusb__device__descriptor.html#a327e8ede51268b38955ef035cf6de875">00346</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#a327e8ede51268b38955ef035cf6de875" title="Index of string descriptor containing device serial number.">iSerialNumber</a>;
<a name="l00347"></a>00347 
<a name="l00349"></a><a class="code" href="structlibusb__device__descriptor.html#a0f3f80cd931628a0531a815b59d067dd">00349</a>     uint8_t  <a class="code" href="structlibusb__device__descriptor.html#a0f3f80cd931628a0531a815b59d067dd" title="Number of possible configurations.">bNumConfigurations</a>;
<a name="l00350"></a>00350 };
<a name="l00351"></a>00351 
<a name="l00357"></a><a class="code" href="structlibusb__endpoint__descriptor.html">00357</a> <span class="keyword">struct </span><a class="code" href="structlibusb__endpoint__descriptor.html" title="A structure representing the standard USB endpoint descriptor.">libusb_endpoint_descriptor</a> {
<a name="l00359"></a><a class="code" href="structlibusb__endpoint__descriptor.html#aa47a5fa31c179e7cb92818c0572c18a3">00359</a>     uint8_t  <a class="code" href="structlibusb__endpoint__descriptor.html#aa47a5fa31c179e7cb92818c0572c18a3" title="Size of this descriptor (in bytes).">bLength</a>;
<a name="l00360"></a>00360 
<a name="l00364"></a><a class="code" href="structlibusb__endpoint__descriptor.html#a609c257394a574af229293bddf26986e">00364</a>     uint8_t  <a class="code" href="structlibusb__endpoint__descriptor.html#a609c257394a574af229293bddf26986e" title="Descriptor type.">bDescriptorType</a>;
<a name="l00365"></a>00365 
<a name="l00370"></a><a class="code" href="structlibusb__endpoint__descriptor.html#a111d087a09cbeded8e15eda9127e23d2">00370</a>     uint8_t  <a class="code" href="structlibusb__endpoint__descriptor.html#a111d087a09cbeded8e15eda9127e23d2" title="The address of the endpoint described by this descriptor.">bEndpointAddress</a>;
<a name="l00371"></a>00371 
<a name="l00379"></a><a class="code" href="structlibusb__endpoint__descriptor.html#a932b84417c46467f9916ecf7b679160b">00379</a>     uint8_t  <a class="code" href="structlibusb__endpoint__descriptor.html#a932b84417c46467f9916ecf7b679160b" title="Attributes which apply to the endpoint when it is configured using the bConfigurationValue...">bmAttributes</a>;
<a name="l00380"></a>00380 
<a name="l00382"></a><a class="code" href="structlibusb__endpoint__descriptor.html#ac1feafc3d7310b2c8ab360513bcfa7b4">00382</a>     uint16_t <a class="code" href="structlibusb__endpoint__descriptor.html#ac1feafc3d7310b2c8ab360513bcfa7b4" title="Maximum packet size this endpoint is capable of sending/receiving.">wMaxPacketSize</a>;
<a name="l00383"></a>00383 
<a name="l00385"></a><a class="code" href="structlibusb__endpoint__descriptor.html#a3194f3f04ebd860d59cbdb07d758f9d8">00385</a>     uint8_t  <a class="code" href="structlibusb__endpoint__descriptor.html#a3194f3f04ebd860d59cbdb07d758f9d8" title="Interval for polling endpoint for data transfers.">bInterval</a>;
<a name="l00386"></a>00386 
<a name="l00389"></a><a class="code" href="structlibusb__endpoint__descriptor.html#a9176a6d206a48731244e33a89a2bea0b">00389</a>     uint8_t  <a class="code" href="structlibusb__endpoint__descriptor.html#a9176a6d206a48731244e33a89a2bea0b" title="For audio devices only: the rate at which synchronization feedback is provided.">bRefresh</a>;
<a name="l00390"></a>00390 
<a name="l00392"></a><a class="code" href="structlibusb__endpoint__descriptor.html#ab8408ca33f4e135039b1900c6f50ce6d">00392</a>     uint8_t  <a class="code" href="structlibusb__endpoint__descriptor.html#ab8408ca33f4e135039b1900c6f50ce6d" title="For audio devices only: the address if the synch endpoint.">bSynchAddress</a>;
<a name="l00393"></a>00393 
<a name="l00396"></a><a class="code" href="structlibusb__endpoint__descriptor.html#a27a637679d4cd75fd6af5b8ea19a88d6">00396</a>     <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="structlibusb__endpoint__descriptor.html#a27a637679d4cd75fd6af5b8ea19a88d6" title="Extra descriptors.">extra</a>;
<a name="l00397"></a>00397 
<a name="l00399"></a><a class="code" href="structlibusb__endpoint__descriptor.html#a0b34ea2919834df309eba8f2775491ae">00399</a>     <span class="keywordtype">int</span> <a class="code" href="structlibusb__endpoint__descriptor.html#a0b34ea2919834df309eba8f2775491ae" title="Length of the extra descriptors, in bytes.">extra_length</a>;
<a name="l00400"></a>00400 };
<a name="l00401"></a>00401 
<a name="l00407"></a><a class="code" href="structlibusb__interface__descriptor.html">00407</a> <span class="keyword">struct </span><a class="code" href="structlibusb__interface__descriptor.html" title="A structure representing the standard USB interface descriptor.">libusb_interface_descriptor</a> {
<a name="l00409"></a><a class="code" href="structlibusb__interface__descriptor.html#a646b7bf875e5b927796d47e57c9182b8">00409</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#a646b7bf875e5b927796d47e57c9182b8" title="Size of this descriptor (in bytes).">bLength</a>;
<a name="l00410"></a>00410 
<a name="l00414"></a><a class="code" href="structlibusb__interface__descriptor.html#affe977ae83d3bbf07513d87ebfb6ed0e">00414</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#affe977ae83d3bbf07513d87ebfb6ed0e" title="Descriptor type.">bDescriptorType</a>;
<a name="l00415"></a>00415 
<a name="l00417"></a><a class="code" href="structlibusb__interface__descriptor.html#a75046f443d3330f590f3d3fb1f9df863">00417</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#a75046f443d3330f590f3d3fb1f9df863" title="Number of this interface.">bInterfaceNumber</a>;
<a name="l00418"></a>00418 
<a name="l00420"></a><a class="code" href="structlibusb__interface__descriptor.html#a2c94bce217e8ecd5fd23728510e9c838">00420</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#a2c94bce217e8ecd5fd23728510e9c838" title="Value used to select this alternate setting for this interface.">bAlternateSetting</a>;
<a name="l00421"></a>00421 
<a name="l00424"></a><a class="code" href="structlibusb__interface__descriptor.html#a487bd2058bfbe749d370c6e7d3add20e">00424</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#a487bd2058bfbe749d370c6e7d3add20e" title="Number of endpoints used by this interface (excluding the control endpoint).">bNumEndpoints</a>;
<a name="l00425"></a>00425 
<a name="l00427"></a><a class="code" href="structlibusb__interface__descriptor.html#a19dcf80e6a5fedf3d3673630897ad649">00427</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#a19dcf80e6a5fedf3d3673630897ad649" title="USB-IF class code for this interface.">bInterfaceClass</a>;
<a name="l00428"></a>00428 
<a name="l00431"></a><a class="code" href="structlibusb__interface__descriptor.html#a0b9b890f84694a4e6a0103944e1247f4">00431</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#a0b9b890f84694a4e6a0103944e1247f4" title="USB-IF subclass code for this interface, qualified by the bInterfaceClass value.">bInterfaceSubClass</a>;
<a name="l00432"></a>00432 
<a name="l00435"></a><a class="code" href="structlibusb__interface__descriptor.html#a5062bbb17fc76e6c3624ea7ca68d554c">00435</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#a5062bbb17fc76e6c3624ea7ca68d554c" title="USB-IF protocol code for this interface, qualified by the bInterfaceClass and bInterfaceSubClass...">bInterfaceProtocol</a>;
<a name="l00436"></a>00436 
<a name="l00438"></a><a class="code" href="structlibusb__interface__descriptor.html#a19227cc111c27e27c2c07430777e1ab8">00438</a>     uint8_t  <a class="code" href="structlibusb__interface__descriptor.html#a19227cc111c27e27c2c07430777e1ab8" title="Index of string descriptor describing this interface.">iInterface</a>;
<a name="l00439"></a>00439 
<a name="l00442"></a><a class="code" href="structlibusb__interface__descriptor.html#a44eb8efab382a6a793bb994c6f15fcb9">00442</a>     <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structlibusb__endpoint__descriptor.html" title="A structure representing the standard USB endpoint descriptor.">libusb_endpoint_descriptor</a> *<a class="code" href="structlibusb__interface__descriptor.html#a44eb8efab382a6a793bb994c6f15fcb9" title="Array of endpoint descriptors.">endpoint</a>;
<a name="l00443"></a>00443 
<a name="l00446"></a><a class="code" href="structlibusb__interface__descriptor.html#aa1169e8c0b22a9928bbd51169609f31d">00446</a>     <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="structlibusb__interface__descriptor.html#aa1169e8c0b22a9928bbd51169609f31d" title="Extra descriptors.">extra</a>;
<a name="l00447"></a>00447 
<a name="l00449"></a><a class="code" href="structlibusb__interface__descriptor.html#ad77fa0b951a83d0c7eac28920367f200">00449</a>     <span class="keywordtype">int</span> <a class="code" href="structlibusb__interface__descriptor.html#ad77fa0b951a83d0c7eac28920367f200" title="Length of the extra descriptors, in bytes.">extra_length</a>;
<a name="l00450"></a>00450 };
<a name="l00451"></a>00451 
<a name="l00455"></a><a class="code" href="structlibusb__interface.html">00455</a> <span class="keyword">struct </span><a class="code" href="structlibusb__interface.html" title="A collection of alternate settings for a particular USB interface.">libusb_interface</a> {
<a name="l00458"></a><a class="code" href="structlibusb__interface.html#a5c5165322ae18994e8d2ee98b594a30f">00458</a>     <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structlibusb__interface__descriptor.html" title="A structure representing the standard USB interface descriptor.">libusb_interface_descriptor</a> *<a class="code" href="structlibusb__interface.html#a5c5165322ae18994e8d2ee98b594a30f" title="Array of interface descriptors.">altsetting</a>;
<a name="l00459"></a>00459 
<a name="l00461"></a><a class="code" href="structlibusb__interface.html#afc930be16a60980424f64a88b23c10e9">00461</a>     <span class="keywordtype">int</span> <a class="code" href="structlibusb__interface.html#afc930be16a60980424f64a88b23c10e9" title="The number of alternate settings that belong to this interface.">num_altsetting</a>;
<a name="l00462"></a>00462 };
<a name="l00463"></a>00463 
<a name="l00469"></a><a class="code" href="structlibusb__config__descriptor.html">00469</a> <span class="keyword">struct </span><a class="code" href="structlibusb__config__descriptor.html" title="A structure representing the standard USB configuration descriptor.">libusb_config_descriptor</a> {
<a name="l00471"></a><a class="code" href="structlibusb__config__descriptor.html#a18ccd46a86328fd9c849e17ca8f01738">00471</a>     uint8_t  <a class="code" href="structlibusb__config__descriptor.html#a18ccd46a86328fd9c849e17ca8f01738" title="Size of this descriptor (in bytes).">bLength</a>;
<a name="l00472"></a>00472 
<a name="l00476"></a><a class="code" href="structlibusb__config__descriptor.html#abc4f9a751c5b2ed968b045cb17528f74">00476</a>     uint8_t  <a class="code" href="structlibusb__config__descriptor.html#abc4f9a751c5b2ed968b045cb17528f74" title="Descriptor type.">bDescriptorType</a>;
<a name="l00477"></a>00477 
<a name="l00479"></a><a class="code" href="structlibusb__config__descriptor.html#a819c160c66c1bd7b569399e6a6fc278f">00479</a>     uint16_t <a class="code" href="structlibusb__config__descriptor.html#a819c160c66c1bd7b569399e6a6fc278f" title="Total length of data returned for this configuration.">wTotalLength</a>;
<a name="l00480"></a>00480 
<a name="l00482"></a><a class="code" href="structlibusb__config__descriptor.html#a2c89b2d0a9ec0440801b97a8f8145792">00482</a>     uint8_t  <a class="code" href="structlibusb__config__descriptor.html#a2c89b2d0a9ec0440801b97a8f8145792" title="Number of interfaces supported by this configuration.">bNumInterfaces</a>;
<a name="l00483"></a>00483 
<a name="l00485"></a><a class="code" href="structlibusb__config__descriptor.html#a04549d99d38080857e0256fcad8dcce7">00485</a>     uint8_t  <a class="code" href="structlibusb__config__descriptor.html#a04549d99d38080857e0256fcad8dcce7" title="Identifier value for this configuration.">bConfigurationValue</a>;
<a name="l00486"></a>00486 
<a name="l00488"></a><a class="code" href="structlibusb__config__descriptor.html#a06dbb2e068b3999dd23954e63640d953">00488</a>     uint8_t  <a class="code" href="structlibusb__config__descriptor.html#a06dbb2e068b3999dd23954e63640d953" title="Index of string descriptor describing this configuration.">iConfiguration</a>;
<a name="l00489"></a>00489 
<a name="l00491"></a><a class="code" href="structlibusb__config__descriptor.html#adb65fe86ce28394110caad982c566525">00491</a>     uint8_t  <a class="code" href="structlibusb__config__descriptor.html#adb65fe86ce28394110caad982c566525" title="Configuration characteristics.">bmAttributes</a>;
<a name="l00492"></a>00492 
<a name="l00496"></a><a class="code" href="structlibusb__config__descriptor.html#a527518147a0c7321a195f2d8dac2ea01">00496</a>     uint8_t  <a class="code" href="structlibusb__config__descriptor.html#a527518147a0c7321a195f2d8dac2ea01" title="Maximum power consumption of the USB device from this bus in this configuration when...">MaxPower</a>;
<a name="l00497"></a>00497 
<a name="l00500"></a><a class="code" href="structlibusb__config__descriptor.html#a96346b812ba6a192f6d393b28ab16766">00500</a>     <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structlibusb__interface.html" title="A collection of alternate settings for a particular USB interface.">libusb_interface</a> *<a class="code" href="structlibusb__config__descriptor.html#a96346b812ba6a192f6d393b28ab16766" title="Array of interfaces supported by this configuration.">interface</a>;
<a name="l00501"></a>00501 
<a name="l00504"></a><a class="code" href="structlibusb__config__descriptor.html#acc982e6c82f7183dfa41076d28d991f7">00504</a>     <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="structlibusb__config__descriptor.html#acc982e6c82f7183dfa41076d28d991f7" title="Extra descriptors.">extra</a>;
<a name="l00505"></a>00505 
<a name="l00507"></a><a class="code" href="structlibusb__config__descriptor.html#a18439e83e8f46606a13d70c00a48a9d9">00507</a>     <span class="keywordtype">int</span> <a class="code" href="structlibusb__config__descriptor.html#a18439e83e8f46606a13d70c00a48a9d9" title="Length of the extra descriptors, in bytes.">extra_length</a>;
<a name="l00508"></a>00508 };
<a name="l00509"></a>00509 
<a name="l00512"></a><a class="code" href="structlibusb__control__setup.html">00512</a> <span class="keyword">struct </span><a class="code" href="structlibusb__control__setup.html" title="Setup packet for control transfers.">libusb_control_setup</a> {
<a name="l00518"></a><a class="code" href="structlibusb__control__setup.html#a39b148c231d675492ccd2383196926bf">00518</a>     uint8_t  <a class="code" href="structlibusb__control__setup.html#a39b148c231d675492ccd2383196926bf" title="Request type.">bmRequestType</a>;
<a name="l00519"></a>00519 
<a name="l00525"></a><a class="code" href="structlibusb__control__setup.html#a1b80a28b8d4e8586fc54358194e70087">00525</a>     uint8_t  <a class="code" href="structlibusb__control__setup.html#a1b80a28b8d4e8586fc54358194e70087" title="Request.">bRequest</a>;
<a name="l00526"></a>00526 
<a name="l00528"></a><a class="code" href="structlibusb__control__setup.html#abbb6daa01fe4b6a05dc43492e4e53a7d">00528</a>     uint16_t <a class="code" href="structlibusb__control__setup.html#abbb6daa01fe4b6a05dc43492e4e53a7d" title="Value.">wValue</a>;
<a name="l00529"></a>00529 
<a name="l00532"></a><a class="code" href="structlibusb__control__setup.html#a70c2ae456344b200a19d434ace85ae2b">00532</a>     uint16_t <a class="code" href="structlibusb__control__setup.html#a70c2ae456344b200a19d434ace85ae2b" title="Index.">wIndex</a>;
<a name="l00533"></a>00533 
<a name="l00535"></a><a class="code" href="structlibusb__control__setup.html#a3c442c64fd7619b43b782367235766cc">00535</a>     uint16_t <a class="code" href="structlibusb__control__setup.html#a3c442c64fd7619b43b782367235766cc" title="Number of bytes to transfer.">wLength</a>;
<a name="l00536"></a>00536 };
<a name="l00537"></a>00537 
<a name="l00538"></a>00538 <span class="preprocessor">#define LIBUSB_CONTROL_SETUP_SIZE (sizeof(struct libusb_control_setup))</span>
<a name="l00539"></a>00539 <span class="preprocessor"></span>
<a name="l00540"></a>00540 <span class="comment">/* libusb */</span>
<a name="l00541"></a>00541 
<a name="l00542"></a>00542 <span class="keyword">struct </span><a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a>;
<a name="l00543"></a>00543 <span class="keyword">struct </span><a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a>;
<a name="l00544"></a>00544 <span class="keyword">struct </span><a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a>;
<a name="l00545"></a>00545 
<a name="l00563"></a><a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833">00563</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> <a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a>;
<a name="l00564"></a>00564 
<a name="l00580"></a><a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b">00580</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> <a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a>;
<a name="l00581"></a>00581 
<a name="l00582"></a>00582 
<a name="l00591"></a><a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4">00591</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> <a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a>;
<a name="l00592"></a>00592 
<a name="l00597"></a><a class="code" href="group__misc.html#gab2323aa0f04bc22038e7e1740b2f29ef">00597</a> <span class="keyword">enum</span> <a class="code" href="group__misc.html#gab2323aa0f04bc22038e7e1740b2f29ef" title="Error codes.">libusb_error</a> {
<a name="l00599"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa576d8d63f6e24b2e57cb2ca63b304f15">00599</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa576d8d63f6e24b2e57cb2ca63b304f15" title="Success (no error).">LIBUSB_SUCCESS</a> = 0,
<a name="l00600"></a>00600 
<a name="l00602"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa790feab8b45d8c323038f4d7d15eceec">00602</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa790feab8b45d8c323038f4d7d15eceec" title="Input/output error.">LIBUSB_ERROR_IO</a> = -1,
<a name="l00603"></a>00603 
<a name="l00605"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa680e4bf39b66a36be3182be3ebf58062">00605</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa680e4bf39b66a36be3182be3ebf58062" title="Invalid parameter.">LIBUSB_ERROR_INVALID_PARAM</a> = -2,
<a name="l00606"></a>00606 
<a name="l00608"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa131f3c2f6f2bb40bc6fb60ccb6f3152f">00608</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa131f3c2f6f2bb40bc6fb60ccb6f3152f" title="Access denied (insufficient permissions).">LIBUSB_ERROR_ACCESS</a> = -3,
<a name="l00609"></a>00609 
<a name="l00611"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efaf8d98f464314a8e202507a0e5c67336f">00611</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efaf8d98f464314a8e202507a0e5c67336f" title="No such device (it may have been disconnected).">LIBUSB_ERROR_NO_DEVICE</a> = -4,
<a name="l00612"></a>00612 
<a name="l00614"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa28214194dc4399e51777408b2c27f03f">00614</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa28214194dc4399e51777408b2c27f03f" title="Entity not found.">LIBUSB_ERROR_NOT_FOUND</a> = -5,
<a name="l00615"></a>00615 
<a name="l00617"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa34ede1140a8a16022f730ac80875ed3b">00617</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa34ede1140a8a16022f730ac80875ed3b" title="Resource busy.">LIBUSB_ERROR_BUSY</a> = -6,
<a name="l00618"></a>00618 
<a name="l00620"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa9b000ac2e6dc4ac864c59579dd08c8bd">00620</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa9b000ac2e6dc4ac864c59579dd08c8bd" title="Operation timed out.">LIBUSB_ERROR_TIMEOUT</a> = -7,
<a name="l00621"></a>00621 
<a name="l00623"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efaf00ae4b8772fda64263ae6e4d6569af0">00623</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efaf00ae4b8772fda64263ae6e4d6569af0" title="Overflow.">LIBUSB_ERROR_OVERFLOW</a> = -8,
<a name="l00624"></a>00624 
<a name="l00626"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa1406e98370900156484f5fe609270837">00626</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa1406e98370900156484f5fe609270837" title="Pipe error.">LIBUSB_ERROR_PIPE</a> = -9,
<a name="l00627"></a>00627 
<a name="l00629"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa39c9284a18fb3277696d84d65f50dbea">00629</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa39c9284a18fb3277696d84d65f50dbea" title="System call interrupted (perhaps due to signal).">LIBUSB_ERROR_INTERRUPTED</a> = -10,
<a name="l00630"></a>00630 
<a name="l00632"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efaff885c8ef4522f22f6673059c7b9edec">00632</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efaff885c8ef4522f22f6673059c7b9edec" title="Insufficient memory.">LIBUSB_ERROR_NO_MEM</a> = -11,
<a name="l00633"></a>00633 
<a name="l00635"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa01b43115484f435627be755d5dc9509b">00635</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa01b43115484f435627be755d5dc9509b" title="Operation not supported or unimplemented on this platform.">LIBUSB_ERROR_NOT_SUPPORTED</a> = -12,
<a name="l00636"></a>00636 
<a name="l00638"></a><a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa9705eb232d1a5e249926d4e76599672e">00638</a>     <a class="code" href="group__misc.html#ggab2323aa0f04bc22038e7e1740b2f29efa9705eb232d1a5e249926d4e76599672e" title="Other error.">LIBUSB_ERROR_OTHER</a> = -99
<a name="l00639"></a>00639 };
<a name="l00640"></a>00640 
<a name="l00643"></a><a class="code" href="group__asyncio.html#ga9fcb2aa23d342060ebda1d0cf7478856">00643</a> <span class="keyword">enum</span> <a class="code" href="group__asyncio.html#ga9fcb2aa23d342060ebda1d0cf7478856" title="Transfer status codes.">libusb_transfer_status</a> {
<a name="l00646"></a><a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856a4595f6532aab12352a58a0fd4ce48363">00646</a>     <a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856a4595f6532aab12352a58a0fd4ce48363" title="Transfer completed without error.">LIBUSB_TRANSFER_COMPLETED</a>,
<a name="l00647"></a>00647 
<a name="l00649"></a><a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856aa8852ed719d03c2a3cc6f0312d919398">00649</a>     <a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856aa8852ed719d03c2a3cc6f0312d919398" title="Transfer failed.">LIBUSB_TRANSFER_ERROR</a>,
<a name="l00650"></a>00650 
<a name="l00652"></a><a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856ac2b7626d7b51cb980f83933b6ada1ddf">00652</a>     <a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856ac2b7626d7b51cb980f83933b6ada1ddf" title="Transfer timed out.">LIBUSB_TRANSFER_TIMED_OUT</a>,
<a name="l00653"></a>00653 
<a name="l00655"></a><a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856a8af1f19e46cccafdcf3feadce47e880b">00655</a>     <a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856a8af1f19e46cccafdcf3feadce47e880b" title="Transfer was cancelled.">LIBUSB_TRANSFER_CANCELLED</a>,
<a name="l00656"></a>00656 
<a name="l00659"></a><a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856a23cdfd929f5fe82cca9654f8075eeebb">00659</a>     <a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856a23cdfd929f5fe82cca9654f8075eeebb" title="For bulk/interrupt endpoints: halt condition detected (endpoint stalled).">LIBUSB_TRANSFER_STALL</a>,
<a name="l00660"></a>00660 
<a name="l00662"></a><a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856ab7dcb24f313ace407e0c070d6b2c5f13">00662</a>     <a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856ab7dcb24f313ace407e0c070d6b2c5f13" title="Device was disconnected.">LIBUSB_TRANSFER_NO_DEVICE</a>,
<a name="l00663"></a>00663 
<a name="l00665"></a><a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856ab1b9cbcb1de27a8fbeceb3427fb2fb14">00665</a>     <a class="code" href="group__asyncio.html#gga9fcb2aa23d342060ebda1d0cf7478856ab1b9cbcb1de27a8fbeceb3427fb2fb14" title="Device sent more data than requested.">LIBUSB_TRANSFER_OVERFLOW</a>
<a name="l00666"></a>00666 };
<a name="l00667"></a>00667 
<a name="l00670"></a><a class="code" href="group__asyncio.html#ga1fb47dd0f7c209b60a3609ff0c03d56d">00670</a> <span class="keyword">enum</span> <a class="code" href="group__asyncio.html#ga1fb47dd0f7c209b60a3609ff0c03d56d" title="libusb_transfer.flags values">libusb_transfer_flags</a> {
<a name="l00672"></a><a class="code" href="group__asyncio.html#gga1fb47dd0f7c209b60a3609ff0c03d56dae4c0697c266819c51c1734b3456e7276">00672</a>     <a class="code" href="group__asyncio.html#gga1fb47dd0f7c209b60a3609ff0c03d56dae4c0697c266819c51c1734b3456e7276" title="Report short frames as errors.">LIBUSB_TRANSFER_SHORT_NOT_OK</a> = 1&lt;&lt;0,
<a name="l00673"></a>00673 
<a name="l00675"></a><a class="code" href="group__asyncio.html#gga1fb47dd0f7c209b60a3609ff0c03d56dae993a26f495ac9949118e23eafa19e86">00675</a>     <a class="code" href="group__asyncio.html#gga1fb47dd0f7c209b60a3609ff0c03d56dae993a26f495ac9949118e23eafa19e86" title="Automatically free() transfer buffer during libusb_free_transfer().">LIBUSB_TRANSFER_FREE_BUFFER</a> = 1&lt;&lt;1,
<a name="l00676"></a>00676 
<a name="l00681"></a><a class="code" href="group__asyncio.html#gga1fb47dd0f7c209b60a3609ff0c03d56dacf3f064997b283a14097c9f4d6f8ccc1">00681</a>     <a class="code" href="group__asyncio.html#gga1fb47dd0f7c209b60a3609ff0c03d56dacf3f064997b283a14097c9f4d6f8ccc1" title="Automatically call libusb_free_transfer() after callback returns.">LIBUSB_TRANSFER_FREE_TRANSFER</a> = 1&lt;&lt;2
<a name="l00682"></a>00682 };
<a name="l00683"></a>00683 
<a name="l00686"></a><a class="code" href="structlibusb__iso__packet__descriptor.html">00686</a> <span class="keyword">struct </span><a class="code" href="structlibusb__iso__packet__descriptor.html" title="Isochronous packet descriptor.">libusb_iso_packet_descriptor</a> {
<a name="l00688"></a><a class="code" href="structlibusb__iso__packet__descriptor.html#a374d36e24869c8b07bf8eb1a18fa10ad">00688</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structlibusb__iso__packet__descriptor.html#a374d36e24869c8b07bf8eb1a18fa10ad" title="Length of data to request in this packet.">length</a>;
<a name="l00689"></a>00689 
<a name="l00691"></a><a class="code" href="structlibusb__iso__packet__descriptor.html#a03fa4f4eaf8a8b4e5c05931809581a32">00691</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structlibusb__iso__packet__descriptor.html#a03fa4f4eaf8a8b4e5c05931809581a32" title="Amount of data that was actually transferred.">actual_length</a>;
<a name="l00692"></a>00692 
<a name="l00694"></a><a class="code" href="structlibusb__iso__packet__descriptor.html#aab21ee2a5835a0e53d7ac5844ee34371">00694</a>     <span class="keyword">enum</span> <a class="code" href="group__asyncio.html#ga9fcb2aa23d342060ebda1d0cf7478856" title="Transfer status codes.">libusb_transfer_status</a> <a class="code" href="structlibusb__iso__packet__descriptor.html#aab21ee2a5835a0e53d7ac5844ee34371" title="Status code for this packet.">status</a>;
<a name="l00695"></a>00695 };
<a name="l00696"></a>00696 
<a name="l00697"></a>00697 <span class="keyword">struct </span><a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a>;
<a name="l00698"></a>00698 
<a name="l00708"></a><a class="code" href="group__asyncio.html#ga62afeef38ae1003e14d2e8eb06462f25">00708</a> <span class="keyword">typedef</span> void (*<a class="code" href="group__asyncio.html#ga62afeef38ae1003e14d2e8eb06462f25" title="Asynchronous transfer callback function type.">libusb_transfer_cb_fn</a>)(<span class="keyword">struct </span><a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer);
<a name="l00709"></a>00709 
<a name="l00716"></a><a class="code" href="structlibusb__transfer.html">00716</a> <span class="keyword">struct </span><a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> {
<a name="l00718"></a><a class="code" href="structlibusb__transfer.html#adaaf06aeb5ab2a8819e75310ec253f7a">00718</a>     <a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *<a class="code" href="structlibusb__transfer.html#adaaf06aeb5ab2a8819e75310ec253f7a" title="Handle of the device that this transfer will be submitted to.">dev_handle</a>;
<a name="l00719"></a>00719 
<a name="l00721"></a><a class="code" href="structlibusb__transfer.html#ae26c063df30c2e29835212aad98c6e06">00721</a>     uint8_t <a class="code" href="structlibusb__transfer.html#ae26c063df30c2e29835212aad98c6e06" title="A bitwise OR combination of libusb_transfer_flags.">flags</a>;
<a name="l00722"></a>00722 
<a name="l00724"></a><a class="code" href="structlibusb__transfer.html#a0fcfd057f53b0e1bff6f1567761c231a">00724</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="structlibusb__transfer.html#a0fcfd057f53b0e1bff6f1567761c231a" title="Address of the endpoint where this transfer will be sent.">endpoint</a>;
<a name="l00725"></a>00725 
<a name="l00727"></a><a class="code" href="structlibusb__transfer.html#a7c9fa575986fe9f23bbecb26b766dff1">00727</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="structlibusb__transfer.html#a7c9fa575986fe9f23bbecb26b766dff1" title="Type of the endpoint from libusb_transfer_type.">type</a>;
<a name="l00728"></a>00728 
<a name="l00731"></a><a class="code" href="structlibusb__transfer.html#a9a12af15ca5b482f5dcaebd26a848cbb">00731</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structlibusb__transfer.html#a9a12af15ca5b482f5dcaebd26a848cbb" title="Timeout for this transfer in millseconds.">timeout</a>;
<a name="l00732"></a>00732 
<a name="l00740"></a><a class="code" href="structlibusb__transfer.html#a64b2e70e76d52a7cd23daa3cd4fb397e">00740</a>     <span class="keyword">enum</span> <a class="code" href="group__asyncio.html#ga9fcb2aa23d342060ebda1d0cf7478856" title="Transfer status codes.">libusb_transfer_status</a> <a class="code" href="structlibusb__transfer.html#a64b2e70e76d52a7cd23daa3cd4fb397e" title="The status of the transfer.">status</a>;
<a name="l00741"></a>00741 
<a name="l00743"></a><a class="code" href="structlibusb__transfer.html#a68c023e1f40b50aa8604a2495b6a391e">00743</a>     <span class="keywordtype">int</span> <a class="code" href="structlibusb__transfer.html#a68c023e1f40b50aa8604a2495b6a391e" title="Length of the data buffer.">length</a>;
<a name="l00744"></a>00744 
<a name="l00748"></a><a class="code" href="structlibusb__transfer.html#a7e858f07c48a271a62209d11376ae607">00748</a>     <span class="keywordtype">int</span> <a class="code" href="structlibusb__transfer.html#a7e858f07c48a271a62209d11376ae607" title="Actual length of data that was transferred.">actual_length</a>;
<a name="l00749"></a>00749 
<a name="l00752"></a><a class="code" href="structlibusb__transfer.html#a69c6df011ec23ff3e481cc98bfff0623">00752</a>     <a class="code" href="group__asyncio.html#ga62afeef38ae1003e14d2e8eb06462f25" title="Asynchronous transfer callback function type.">libusb_transfer_cb_fn</a> <a class="code" href="structlibusb__transfer.html#a69c6df011ec23ff3e481cc98bfff0623" title="Callback function.">callback</a>;
<a name="l00753"></a>00753 
<a name="l00755"></a><a class="code" href="structlibusb__transfer.html#ab75ab3e7185f08e07a1ae858a35ebb7b">00755</a>     <span class="keywordtype">void</span> *<a class="code" href="structlibusb__transfer.html#ab75ab3e7185f08e07a1ae858a35ebb7b" title="User context data to pass to the callback function.">user_data</a>;
<a name="l00756"></a>00756 
<a name="l00758"></a><a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea">00758</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a>;
<a name="l00759"></a>00759 
<a name="l00762"></a><a class="code" href="structlibusb__transfer.html#a87d725a5521c26832fdc13611220014d">00762</a>     <span class="keywordtype">int</span> <a class="code" href="structlibusb__transfer.html#a87d725a5521c26832fdc13611220014d" title="Number of isochronous packets.">num_iso_packets</a>;
<a name="l00763"></a>00763 
<a name="l00765"></a><a class="code" href="structlibusb__transfer.html#a0de0b13dfae411fc36217d35eb89b138">00765</a>     <span class="keyword">struct </span><a class="code" href="structlibusb__iso__packet__descriptor.html" title="Isochronous packet descriptor.">libusb_iso_packet_descriptor</a> <a class="code" href="structlibusb__transfer.html#a0de0b13dfae411fc36217d35eb89b138" title="Isochronous packet descriptors, for isochronous transfers only.">iso_packet_desc</a>
<a name="l00766"></a>00766 #if defined(__STDC_VERSION__) &amp;&amp; (__STDC_VERSION__ &gt;= 199901L)
<a name="l00767"></a>00767     [] <span class="comment">/* valid C99 code */</span>
<a name="l00768"></a>00768 #<span class="keywordflow">else</span>
<a name="l00769"></a>00769     [0] <span class="comment">/* non-standard, but usually working code */</span>
<a name="l00770"></a>00770 #endif
<a name="l00771"></a>00771     ;
<a name="l00772"></a>00772 };
<a name="l00773"></a>00773 
<a name="l00774"></a>00774 <span class="keywordtype">int</span> <a class="code" href="group__lib.html#ga9517c37281bba0b51cc62eba728be48b" title="Initialize libusb.">libusb_init</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> **ctx);
<a name="l00775"></a>00775 <span class="keywordtype">void</span> <a class="code" href="group__lib.html#ga86532f222d4f1332a5f8f5eef9a92da9" title="Deinitialize libusb.">libusb_exit</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l00776"></a>00776 <span class="keywordtype">void</span> <a class="code" href="group__lib.html#ga5f8376b7a863a5a8d5b8824feb8a427a" title="Set message verbosity.">libusb_set_debug</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx, <span class="keywordtype">int</span> level);
<a name="l00777"></a>00777 
<a name="l00778"></a>00778 ssize_t <a class="code" href="group__dev.html#gac0fe4b65914c5ed036e6cbec61cb0b97" title="Returns a list of USB devices currently attached to the system.">libusb_get_device_list</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx,
<a name="l00779"></a>00779     <a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> ***list);
<a name="l00780"></a>00780 <span class="keywordtype">void</span> <a class="code" href="group__dev.html#gad3b8561d064bb3e1b8851ddeed3cd7d6" title="Frees a list of devices previously discovered using libusb_get_device_list().">libusb_free_device_list</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> **list, <span class="keywordtype">int</span> unref_devices);
<a name="l00781"></a>00781 <a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *<a class="code" href="group__dev.html#gaabaa4193adcabba1789cc1165ac41a03" title="Increment the reference count of a device.">libusb_ref_device</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev);
<a name="l00782"></a>00782 <span class="keywordtype">void</span> <a class="code" href="group__dev.html#ga3cc62e6a191b7a9f213e62b81ec30f4d" title="Decrement the reference count of a device.">libusb_unref_device</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev);
<a name="l00783"></a>00783 
<a name="l00784"></a>00784 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga6fdf904b6d53279da278b3556e51273c" title="Determine the bConfigurationValue of the currently active configuration.">libusb_get_configuration</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev, <span class="keywordtype">int</span> *config);
<a name="l00785"></a>00785 <span class="keywordtype">int</span> <a class="code" href="group__desc.html#ga5e9ab08d490a7704cf3a9b0439f16f00" title="Get the USB device descriptor for a given device.">libusb_get_device_descriptor</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev,
<a name="l00786"></a>00786     <span class="keyword">struct</span> <a class="code" href="structlibusb__device__descriptor.html" title="A structure representing the standard USB device descriptor.">libusb_device_descriptor</a> *desc);
<a name="l00787"></a>00787 <span class="keywordtype">int</span> <a class="code" href="group__desc.html#ga425885149172b53b3975a07629c8dab3" title="Get the USB configuration descriptor for the currently active configuration.">libusb_get_active_config_descriptor</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev,
<a name="l00788"></a>00788     <span class="keyword">struct</span> <a class="code" href="structlibusb__config__descriptor.html" title="A structure representing the standard USB configuration descriptor.">libusb_config_descriptor</a> **config);
<a name="l00789"></a>00789 <span class="keywordtype">int</span> <a class="code" href="group__desc.html#gaa635d9aec77de4895dd0896ccf001532" title="Get a USB configuration descriptor based on its index.">libusb_get_config_descriptor</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev, uint8_t config_index,
<a name="l00790"></a>00790     <span class="keyword">struct</span> <a class="code" href="structlibusb__config__descriptor.html" title="A structure representing the standard USB configuration descriptor.">libusb_config_descriptor</a> **config);
<a name="l00791"></a>00791 <span class="keywordtype">int</span> <a class="code" href="group__desc.html#ga3e7bffc5d08404c4d6491e73b967bf67" title="Get a USB configuration descriptor with a specific bConfigurationValue.">libusb_get_config_descriptor_by_value</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev,
<a name="l00792"></a>00792     uint8_t bConfigurationValue, <span class="keyword">struct</span> <a class="code" href="structlibusb__config__descriptor.html" title="A structure representing the standard USB configuration descriptor.">libusb_config_descriptor</a> **config);
<a name="l00793"></a>00793 <span class="keywordtype">void</span> <a class="code" href="group__desc.html#ga18d2b08a065857ff7ae4f3f719c115cc" title="Free a configuration descriptor obtained from libusb_get_active_config_descriptor()...">libusb_free_config_descriptor</a>(<span class="keyword">struct</span> <a class="code" href="structlibusb__config__descriptor.html" title="A structure representing the standard USB configuration descriptor.">libusb_config_descriptor</a> *config);
<a name="l00794"></a>00794 uint8_t <a class="code" href="group__dev.html#gaf2718609d50c8ded2704e4051b3d2925" title="Get the number of the bus that a device is connected to.">libusb_get_bus_number</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev);
<a name="l00795"></a>00795 uint8_t <a class="code" href="group__dev.html#gab6d4e39ac483ebaeb108f2954715305d" title="Get the address of the device on the bus it is connected to.">libusb_get_device_address</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev);
<a name="l00796"></a>00796 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#gac81968047e262409e78f3fe24321b604" title="Convenience function to retrieve the wMaxPacketSize value for a particular endpoint...">libusb_get_max_packet_size</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> endpoint);
<a name="l00797"></a>00797 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#gaec10b71c7209760db55ee0f8768bb4f0" title="Calculate the maximum packet size which a specific endpoint is capable is sending...">libusb_get_max_iso_packet_size</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> endpoint);
<a name="l00798"></a>00798 
<a name="l00799"></a>00799 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga8163100afdf933fabed0db7fa81c89d1" title="Open a device and obtain a device handle.">libusb_open</a>(<a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *dev, <a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> **handle);
<a name="l00800"></a>00800 <span class="keywordtype">void</span> <a class="code" href="group__dev.html#ga779bc4f1316bdb0ac383bddbd538620e" title="Close a device handle.">libusb_close</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev_handle);
<a name="l00801"></a>00801 <a class="code" href="group__dev.html#ga77eedd00d01eb7569b880e861a971c2b" title="Structure representing a USB device detected on the system.">libusb_device</a> *<a class="code" href="group__dev.html#gafe70b8a797893d4d16985980acec956a" title="Get the underlying device for a handle.">libusb_get_device</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev_handle);
<a name="l00802"></a>00802 
<a name="l00803"></a>00803 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga186593ecae576dad6cd9679f45a2aa43" title="Set the active configuration for a device.">libusb_set_configuration</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev, <span class="keywordtype">int</span> configuration);
<a name="l00804"></a>00804 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga32fabedf5f13fdecf1cb33acdb19b57a" title="Claim an interface on a given device handle.">libusb_claim_interface</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev, <span class="keywordtype">int</span> iface);
<a name="l00805"></a>00805 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#gaf0d053dd23420c4daec89c06da04abe4" title="Release an interface previously claimed with libusb_claim_interface().">libusb_release_interface</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev, <span class="keywordtype">int</span> iface);
<a name="l00806"></a>00806 
<a name="l00807"></a>00807 <a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *<a class="code" href="group__dev.html#ga11ba48adb896b1492bbd3d0bf7e0f665" title="Convenience function for finding a device with a particular idVendor/idProduct combination...">libusb_open_device_with_vid_pid</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx,
<a name="l00808"></a>00808     uint16_t vendor_id, uint16_t product_id);
<a name="l00809"></a>00809 
<a name="l00810"></a>00810 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga3047fea29830a56524388fd423068b53" title="Activate an alternate setting for an interface.">libusb_set_interface_alt_setting</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev,
<a name="l00811"></a>00811     <span class="keywordtype">int</span> interface_number, <span class="keywordtype">int</span> alternate_setting);
<a name="l00812"></a>00812 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga5b321176ce7f18cfec369dd3ab7d431e" title="Clear the halt/stall condition for an endpoint.">libusb_clear_halt</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> endpoint);
<a name="l00813"></a>00813 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga7321bd8dc28e9a20b411bf18e6d0e9aa" title="Perform a USB port reset to reinitialize a device.">libusb_reset_device</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev);
<a name="l00814"></a>00814 
<a name="l00815"></a>00815 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga76e047ca95da2b32d0e7455da1804a49" title="Determine if a kernel driver is active on an interface.">libusb_kernel_driver_active</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev, <span class="keywordtype">int</span> interface);
<a name="l00816"></a>00816 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga0bc7a17090debf6d2b2711c505ad9725" title="Detach a kernel driver from an interface.">libusb_detach_kernel_driver</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev, <span class="keywordtype">int</span> interface);
<a name="l00817"></a>00817 <span class="keywordtype">int</span> <a class="code" href="group__dev.html#ga9de769d3aeb45a07f5559c8a0597cbcc" title="Re-attach an interface&amp;#39;s kernel driver, which was previously detached using libusb_detach_kernel...">libusb_attach_kernel_driver</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev, <span class="keywordtype">int</span> interface);
<a name="l00818"></a>00818 
<a name="l00819"></a>00819 <span class="comment">/* async I/O */</span>
<a name="l00820"></a>00820 
<a name="l00833"></a><a class="code" href="group__asyncio.html#gadf9c633586dde54ce62a3d66a4d7554c">00833</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="group__asyncio.html#gadf9c633586dde54ce62a3d66a4d7554c" title="Get the data section of a control transfer.">libusb_control_transfer_get_data</a>(
<a name="l00834"></a>00834     <span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer)
<a name="l00835"></a>00835 {
<a name="l00836"></a>00836     <span class="keywordflow">return</span> transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a> + LIBUSB_CONTROL_SETUP_SIZE;
<a name="l00837"></a>00837 }
<a name="l00838"></a>00838 
<a name="l00851"></a><a class="code" href="group__asyncio.html#ga6ab02f15e11b5b03b1174fbd7c3bc061">00851</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keyword">struct </span><a class="code" href="structlibusb__control__setup.html" title="Setup packet for control transfers.">libusb_control_setup</a> *<a class="code" href="group__asyncio.html#ga6ab02f15e11b5b03b1174fbd7c3bc061" title="Get the control setup packet of a control transfer.">libusb_control_transfer_get_setup</a>(
<a name="l00852"></a>00852     <span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer)
<a name="l00853"></a>00853 {
<a name="l00854"></a>00854     <span class="keywordflow">return</span> (<span class="keyword">struct</span> <a class="code" href="structlibusb__control__setup.html" title="Setup packet for control transfers.">libusb_control_setup</a> *) transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a>;
<a name="l00855"></a>00855 }
<a name="l00856"></a>00856 
<a name="l00879"></a><a class="code" href="group__asyncio.html#ga5447311149ec2bd954b5f1a640a8e231">00879</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__asyncio.html#ga5447311149ec2bd954b5f1a640a8e231" title="Helper function to populate the setup packet (first 8 bytes of the data buffer) for...">libusb_fill_control_setup</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buffer,
<a name="l00880"></a>00880     uint8_t <a class="code" href="structlibusb__control__setup.html#a39b148c231d675492ccd2383196926bf" title="Request type.">bmRequestType</a>, uint8_t <a class="code" href="structlibusb__control__setup.html#a1b80a28b8d4e8586fc54358194e70087" title="Request.">bRequest</a>, uint16_t <a class="code" href="structlibusb__control__setup.html#abbb6daa01fe4b6a05dc43492e4e53a7d" title="Value.">wValue</a>, uint16_t <a class="code" href="structlibusb__control__setup.html#a70c2ae456344b200a19d434ace85ae2b" title="Index.">wIndex</a>,
<a name="l00881"></a>00881     uint16_t <a class="code" href="structlibusb__control__setup.html#a3c442c64fd7619b43b782367235766cc" title="Number of bytes to transfer.">wLength</a>)
<a name="l00882"></a>00882 {
<a name="l00883"></a>00883     <span class="keyword">struct </span><a class="code" href="structlibusb__control__setup.html" title="Setup packet for control transfers.">libusb_control_setup</a> *setup = (<span class="keyword">struct </span><a class="code" href="structlibusb__control__setup.html" title="Setup packet for control transfers.">libusb_control_setup</a> *) buffer;
<a name="l00884"></a>00884     setup-&gt;<a class="code" href="structlibusb__control__setup.html#a39b148c231d675492ccd2383196926bf" title="Request type.">bmRequestType</a> = bmRequestType;
<a name="l00885"></a>00885     setup-&gt;<a class="code" href="structlibusb__control__setup.html#a1b80a28b8d4e8586fc54358194e70087" title="Request.">bRequest</a> = bRequest;
<a name="l00886"></a>00886     setup-&gt;<a class="code" href="structlibusb__control__setup.html#abbb6daa01fe4b6a05dc43492e4e53a7d" title="Value.">wValue</a> = <a class="code" href="group__misc.html#ga9a5d3ac9ba5b501c1a2c5b0bae155ae6" title="Convert a 16-bit value from host-endian to little-endian format.">libusb_cpu_to_le16</a>(wValue);
<a name="l00887"></a>00887     setup-&gt;<a class="code" href="structlibusb__control__setup.html#a70c2ae456344b200a19d434ace85ae2b" title="Index.">wIndex</a> = <a class="code" href="group__misc.html#ga9a5d3ac9ba5b501c1a2c5b0bae155ae6" title="Convert a 16-bit value from host-endian to little-endian format.">libusb_cpu_to_le16</a>(wIndex);
<a name="l00888"></a>00888     setup-&gt;<a class="code" href="structlibusb__control__setup.html#a3c442c64fd7619b43b782367235766cc" title="Number of bytes to transfer.">wLength</a> = <a class="code" href="group__misc.html#ga9a5d3ac9ba5b501c1a2c5b0bae155ae6" title="Convert a 16-bit value from host-endian to little-endian format.">libusb_cpu_to_le16</a>(wLength);
<a name="l00889"></a>00889 }
<a name="l00890"></a>00890 
<a name="l00891"></a>00891 <span class="keyword">struct </span><a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *<a class="code" href="group__asyncio.html#ga13cc69ea40c702181c430c950121c000" title="Allocate a libusb transfer with a specified number of isochronous packet descriptors...">libusb_alloc_transfer</a>(<span class="keywordtype">int</span> iso_packets);
<a name="l00892"></a>00892 <span class="keywordtype">int</span> <a class="code" href="group__asyncio.html#gabb0932601f2c7dad2fee4b27962848ce" title="Submit a transfer.">libusb_submit_transfer</a>(<span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer);
<a name="l00893"></a>00893 <span class="keywordtype">int</span> <a class="code" href="group__asyncio.html#ga685eb7731f9a0593f75beb99727bbe54" title="Asynchronously cancel a previously submitted transfer.">libusb_cancel_transfer</a>(<span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer);
<a name="l00894"></a>00894 <span class="keywordtype">void</span> <a class="code" href="group__asyncio.html#ga6ab8b2cff4de9091298a06b2f4b86cd6" title="Free a transfer structure.">libusb_free_transfer</a>(<span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer);
<a name="l00895"></a>00895 
<a name="l00923"></a><a class="code" href="group__asyncio.html#ga3a8513ed87229fe2c9771ef0bf17206e">00923</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__asyncio.html#ga3a8513ed87229fe2c9771ef0bf17206e" title="Helper function to populate the required libusb_transfer fields for a control transfer...">libusb_fill_control_transfer</a>(
<a name="l00924"></a>00924     <span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer, <a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *<a class="code" href="structlibusb__transfer.html#adaaf06aeb5ab2a8819e75310ec253f7a" title="Handle of the device that this transfer will be submitted to.">dev_handle</a>,
<a name="l00925"></a>00925     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a>, <a class="code" href="group__asyncio.html#ga62afeef38ae1003e14d2e8eb06462f25" title="Asynchronous transfer callback function type.">libusb_transfer_cb_fn</a> <a class="code" href="structlibusb__transfer.html#a69c6df011ec23ff3e481cc98bfff0623" title="Callback function.">callback</a>, <span class="keywordtype">void</span> *<a class="code" href="structlibusb__transfer.html#ab75ab3e7185f08e07a1ae858a35ebb7b" title="User context data to pass to the callback function.">user_data</a>,
<a name="l00926"></a>00926     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structlibusb__transfer.html#a9a12af15ca5b482f5dcaebd26a848cbb" title="Timeout for this transfer in millseconds.">timeout</a>)
<a name="l00927"></a>00927 {
<a name="l00928"></a>00928     <span class="keyword">struct </span><a class="code" href="structlibusb__control__setup.html" title="Setup packet for control transfers.">libusb_control_setup</a> *setup = (<span class="keyword">struct </span><a class="code" href="structlibusb__control__setup.html" title="Setup packet for control transfers.">libusb_control_setup</a> *) buffer;
<a name="l00929"></a>00929     transfer-&gt;<a class="code" href="structlibusb__transfer.html#adaaf06aeb5ab2a8819e75310ec253f7a" title="Handle of the device that this transfer will be submitted to.">dev_handle</a> = dev_handle;
<a name="l00930"></a>00930     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a0fcfd057f53b0e1bff6f1567761c231a" title="Address of the endpoint where this transfer will be sent.">endpoint</a> = 0;
<a name="l00931"></a>00931     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7c9fa575986fe9f23bbecb26b766dff1" title="Type of the endpoint from libusb_transfer_type.">type</a> = <a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a4c89624658c783ef9b2a2f08091bc7d7" title="Control endpoint.">LIBUSB_TRANSFER_TYPE_CONTROL</a>;
<a name="l00932"></a>00932     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a9a12af15ca5b482f5dcaebd26a848cbb" title="Timeout for this transfer in millseconds.">timeout</a> = timeout;
<a name="l00933"></a>00933     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a> = buffer;
<a name="l00934"></a>00934     <span class="keywordflow">if</span> (setup)
<a name="l00935"></a>00935         transfer-&gt;<a class="code" href="structlibusb__transfer.html#a68c023e1f40b50aa8604a2495b6a391e" title="Length of the data buffer.">length</a> = LIBUSB_CONTROL_SETUP_SIZE
<a name="l00936"></a>00936             + <a class="code" href="group__misc.html#ga22961bb8cb0d6a9b22c88079efb59b8b" title="Convert a 16-bit value from little-endian to host-endian format.">libusb_le16_to_cpu</a>(setup-&gt;<a class="code" href="structlibusb__control__setup.html#a3c442c64fd7619b43b782367235766cc" title="Number of bytes to transfer.">wLength</a>);
<a name="l00937"></a>00937     transfer-&gt;<a class="code" href="structlibusb__transfer.html#ab75ab3e7185f08e07a1ae858a35ebb7b" title="User context data to pass to the callback function.">user_data</a> = user_data;
<a name="l00938"></a>00938     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a69c6df011ec23ff3e481cc98bfff0623" title="Callback function.">callback</a> = callback;
<a name="l00939"></a>00939 }
<a name="l00940"></a>00940 
<a name="l00954"></a><a class="code" href="group__asyncio.html#gad4ddb1a5c6c7fefc979a44d7300b95d7">00954</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__asyncio.html#gad4ddb1a5c6c7fefc979a44d7300b95d7" title="Helper function to populate the required libusb_transfer fields for a bulk transfer...">libusb_fill_bulk_transfer</a>(<span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer,
<a name="l00955"></a>00955     <a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev_handle, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> endpoint,
<a name="l00956"></a>00956     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buffer, <span class="keywordtype">int</span> length, <a class="code" href="group__asyncio.html#ga62afeef38ae1003e14d2e8eb06462f25" title="Asynchronous transfer callback function type.">libusb_transfer_cb_fn</a> callback,
<a name="l00957"></a>00957     <span class="keywordtype">void</span> *user_data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> timeout)
<a name="l00958"></a>00958 {
<a name="l00959"></a>00959     transfer-&gt;<a class="code" href="structlibusb__transfer.html#adaaf06aeb5ab2a8819e75310ec253f7a" title="Handle of the device that this transfer will be submitted to.">dev_handle</a> = dev_handle;
<a name="l00960"></a>00960     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a0fcfd057f53b0e1bff6f1567761c231a" title="Address of the endpoint where this transfer will be sent.">endpoint</a> = endpoint;
<a name="l00961"></a>00961     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7c9fa575986fe9f23bbecb26b766dff1" title="Type of the endpoint from libusb_transfer_type.">type</a> = <a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a7bdfa2fc5dadbaaa0e9262e1b4a228e2" title="Bulk endpoint.">LIBUSB_TRANSFER_TYPE_BULK</a>;
<a name="l00962"></a>00962     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a9a12af15ca5b482f5dcaebd26a848cbb" title="Timeout for this transfer in millseconds.">timeout</a> = timeout;
<a name="l00963"></a>00963     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a> = buffer;
<a name="l00964"></a>00964     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a68c023e1f40b50aa8604a2495b6a391e" title="Length of the data buffer.">length</a> = length;
<a name="l00965"></a>00965     transfer-&gt;<a class="code" href="structlibusb__transfer.html#ab75ab3e7185f08e07a1ae858a35ebb7b" title="User context data to pass to the callback function.">user_data</a> = user_data;
<a name="l00966"></a>00966     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a69c6df011ec23ff3e481cc98bfff0623" title="Callback function.">callback</a> = callback;
<a name="l00967"></a>00967 }
<a name="l00968"></a>00968 
<a name="l00982"></a><a class="code" href="group__asyncio.html#ga90f53cea1124a7566df1aa1202b77510">00982</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__asyncio.html#ga90f53cea1124a7566df1aa1202b77510" title="Helper function to populate the required libusb_transfer fields for an interrupt...">libusb_fill_interrupt_transfer</a>(
<a name="l00983"></a>00983     <span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer, <a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev_handle,
<a name="l00984"></a>00984     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> endpoint, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buffer, <span class="keywordtype">int</span> length,
<a name="l00985"></a>00985     <a class="code" href="group__asyncio.html#ga62afeef38ae1003e14d2e8eb06462f25" title="Asynchronous transfer callback function type.">libusb_transfer_cb_fn</a> callback, <span class="keywordtype">void</span> *user_data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> timeout)
<a name="l00986"></a>00986 {
<a name="l00987"></a>00987     transfer-&gt;<a class="code" href="structlibusb__transfer.html#adaaf06aeb5ab2a8819e75310ec253f7a" title="Handle of the device that this transfer will be submitted to.">dev_handle</a> = dev_handle;
<a name="l00988"></a>00988     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a0fcfd057f53b0e1bff6f1567761c231a" title="Address of the endpoint where this transfer will be sent.">endpoint</a> = endpoint;
<a name="l00989"></a>00989     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7c9fa575986fe9f23bbecb26b766dff1" title="Type of the endpoint from libusb_transfer_type.">type</a> = <a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71aefb0e07862c0eed894ec9c2f957a7e3c" title="Interrupt endpoint.">LIBUSB_TRANSFER_TYPE_INTERRUPT</a>;
<a name="l00990"></a>00990     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a9a12af15ca5b482f5dcaebd26a848cbb" title="Timeout for this transfer in millseconds.">timeout</a> = timeout;
<a name="l00991"></a>00991     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a> = buffer;
<a name="l00992"></a>00992     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a68c023e1f40b50aa8604a2495b6a391e" title="Length of the data buffer.">length</a> = length;
<a name="l00993"></a>00993     transfer-&gt;<a class="code" href="structlibusb__transfer.html#ab75ab3e7185f08e07a1ae858a35ebb7b" title="User context data to pass to the callback function.">user_data</a> = user_data;
<a name="l00994"></a>00994     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a69c6df011ec23ff3e481cc98bfff0623" title="Callback function.">callback</a> = callback;
<a name="l00995"></a>00995 }
<a name="l00996"></a>00996 
<a name="l01011"></a><a class="code" href="group__asyncio.html#ga30fdce8c461e851f0aa4c851014e1aa7">01011</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__asyncio.html#ga30fdce8c461e851f0aa4c851014e1aa7" title="Helper function to populate the required libusb_transfer fields for an isochronous...">libusb_fill_iso_transfer</a>(<span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer,
<a name="l01012"></a>01012     <a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev_handle, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> endpoint,
<a name="l01013"></a>01013     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buffer, <span class="keywordtype">int</span> length, <span class="keywordtype">int</span> num_iso_packets,
<a name="l01014"></a>01014     <a class="code" href="group__asyncio.html#ga62afeef38ae1003e14d2e8eb06462f25" title="Asynchronous transfer callback function type.">libusb_transfer_cb_fn</a> callback, <span class="keywordtype">void</span> *user_data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> timeout)
<a name="l01015"></a>01015 {
<a name="l01016"></a>01016     transfer-&gt;<a class="code" href="structlibusb__transfer.html#adaaf06aeb5ab2a8819e75310ec253f7a" title="Handle of the device that this transfer will be submitted to.">dev_handle</a> = dev_handle;
<a name="l01017"></a>01017     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a0fcfd057f53b0e1bff6f1567761c231a" title="Address of the endpoint where this transfer will be sent.">endpoint</a> = endpoint;
<a name="l01018"></a>01018     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7c9fa575986fe9f23bbecb26b766dff1" title="Type of the endpoint from libusb_transfer_type.">type</a> = <a class="code" href="group__desc.html#ggacb52027036a07de6ecc6c2bf07d07c71a40de9889554fc1785d784b3c31333300" title="Isochronous endpoint.">LIBUSB_TRANSFER_TYPE_ISOCHRONOUS</a>;
<a name="l01019"></a>01019     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a9a12af15ca5b482f5dcaebd26a848cbb" title="Timeout for this transfer in millseconds.">timeout</a> = timeout;
<a name="l01020"></a>01020     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a> = buffer;
<a name="l01021"></a>01021     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a68c023e1f40b50aa8604a2495b6a391e" title="Length of the data buffer.">length</a> = length;
<a name="l01022"></a>01022     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a87d725a5521c26832fdc13611220014d" title="Number of isochronous packets.">num_iso_packets</a> = num_iso_packets;
<a name="l01023"></a>01023     transfer-&gt;<a class="code" href="structlibusb__transfer.html#ab75ab3e7185f08e07a1ae858a35ebb7b" title="User context data to pass to the callback function.">user_data</a> = user_data;
<a name="l01024"></a>01024     transfer-&gt;<a class="code" href="structlibusb__transfer.html#a69c6df011ec23ff3e481cc98bfff0623" title="Callback function.">callback</a> = callback;
<a name="l01025"></a>01025 }
<a name="l01026"></a>01026 
<a name="l01035"></a><a class="code" href="group__asyncio.html#gacbdecd6f50093f0c1d0e72ee35ace274">01035</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__asyncio.html#gacbdecd6f50093f0c1d0e72ee35ace274" title="Convenience function to set the length of all packets in an isochronous transfer...">libusb_set_iso_packet_lengths</a>(
<a name="l01036"></a>01036     <span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)
<a name="l01037"></a>01037 {
<a name="l01038"></a>01038     <span class="keywordtype">int</span> i;
<a name="l01039"></a>01039     <span class="keywordflow">for</span> (i = 0; i &lt; transfer-&gt;<a class="code" href="structlibusb__transfer.html#a87d725a5521c26832fdc13611220014d" title="Number of isochronous packets.">num_iso_packets</a>; i++)
<a name="l01040"></a>01040         transfer-&gt;<a class="code" href="structlibusb__transfer.html#a0de0b13dfae411fc36217d35eb89b138" title="Isochronous packet descriptors, for isochronous transfers only.">iso_packet_desc</a>[i].<a class="code" href="structlibusb__iso__packet__descriptor.html#a374d36e24869c8b07bf8eb1a18fa10ad" title="Length of data to request in this packet.">length</a> = length;
<a name="l01041"></a>01041 }
<a name="l01042"></a>01042 
<a name="l01059"></a><a class="code" href="group__asyncio.html#ga7f6ea0eb35a216d19d984977e454a7b3">01059</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="group__asyncio.html#ga7f6ea0eb35a216d19d984977e454a7b3" title="Convenience function to locate the position of an isochronous packet within the buffer...">libusb_get_iso_packet_buffer</a>(
<a name="l01060"></a>01060     <span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> packet)
<a name="l01061"></a>01061 {
<a name="l01062"></a>01062     <span class="keywordtype">int</span> i;
<a name="l01063"></a>01063     <span class="keywordtype">size_t</span> offset = 0;
<a name="l01064"></a>01064     <span class="keywordtype">int</span> _packet;
<a name="l01065"></a>01065 
<a name="l01066"></a>01066     <span class="comment">/* oops..slight bug in the API. packet is an unsigned int, but we use</span>
<a name="l01067"></a>01067 <span class="comment">     * signed integers almost everywhere else. range-check and convert to</span>
<a name="l01068"></a>01068 <span class="comment">     * signed to avoid compiler warnings. FIXME for libusb-2. */</span>
<a name="l01069"></a>01069     <span class="keywordflow">if</span> (packet &gt; INT_MAX)
<a name="l01070"></a>01070         <span class="keywordflow">return</span> NULL;
<a name="l01071"></a>01071     _packet = packet;
<a name="l01072"></a>01072 
<a name="l01073"></a>01073     <span class="keywordflow">if</span> (_packet &gt;= transfer-&gt;<a class="code" href="structlibusb__transfer.html#a87d725a5521c26832fdc13611220014d" title="Number of isochronous packets.">num_iso_packets</a>)
<a name="l01074"></a>01074         <span class="keywordflow">return</span> NULL;
<a name="l01075"></a>01075 
<a name="l01076"></a>01076     <span class="keywordflow">for</span> (i = 0; i &lt; _packet; i++)
<a name="l01077"></a>01077         offset += transfer-&gt;<a class="code" href="structlibusb__transfer.html#a0de0b13dfae411fc36217d35eb89b138" title="Isochronous packet descriptors, for isochronous transfers only.">iso_packet_desc</a>[i].<a class="code" href="structlibusb__iso__packet__descriptor.html#a374d36e24869c8b07bf8eb1a18fa10ad" title="Length of data to request in this packet.">length</a>;
<a name="l01078"></a>01078 
<a name="l01079"></a>01079     <span class="keywordflow">return</span> transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a> + offset;
<a name="l01080"></a>01080 }
<a name="l01081"></a>01081 
<a name="l01101"></a><a class="code" href="group__asyncio.html#ga3df9a28c4f5c8f1850181ddb5efd12fd">01101</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="group__asyncio.html#ga3df9a28c4f5c8f1850181ddb5efd12fd" title="Convenience function to locate the position of an isochronous packet within the buffer...">libusb_get_iso_packet_buffer_simple</a>(
<a name="l01102"></a>01102     <span class="keyword">struct</span> <a class="code" href="structlibusb__transfer.html" title="The generic USB transfer structure.">libusb_transfer</a> *transfer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> packet)
<a name="l01103"></a>01103 {
<a name="l01104"></a>01104     <span class="keywordtype">int</span> _packet;
<a name="l01105"></a>01105 
<a name="l01106"></a>01106     <span class="comment">/* oops..slight bug in the API. packet is an unsigned int, but we use</span>
<a name="l01107"></a>01107 <span class="comment">     * signed integers almost everywhere else. range-check and convert to</span>
<a name="l01108"></a>01108 <span class="comment">     * signed to avoid compiler warnings. FIXME for libusb-2. */</span>
<a name="l01109"></a>01109     <span class="keywordflow">if</span> (packet &gt; INT_MAX)
<a name="l01110"></a>01110         <span class="keywordflow">return</span> NULL;
<a name="l01111"></a>01111     _packet = packet;
<a name="l01112"></a>01112 
<a name="l01113"></a>01113     <span class="keywordflow">if</span> (_packet &gt;= transfer-&gt;<a class="code" href="structlibusb__transfer.html#a87d725a5521c26832fdc13611220014d" title="Number of isochronous packets.">num_iso_packets</a>)
<a name="l01114"></a>01114         <span class="keywordflow">return</span> NULL;
<a name="l01115"></a>01115 
<a name="l01116"></a>01116     <span class="keywordflow">return</span> transfer-&gt;<a class="code" href="structlibusb__transfer.html#a7fa594567e074191ce8f28b5fb4a3bea" title="Data buffer.">buffer</a> + (transfer-&gt;<a class="code" href="structlibusb__transfer.html#a0de0b13dfae411fc36217d35eb89b138" title="Isochronous packet descriptors, for isochronous transfers only.">iso_packet_desc</a>[0].<a class="code" href="structlibusb__iso__packet__descriptor.html#a374d36e24869c8b07bf8eb1a18fa10ad" title="Length of data to request in this packet.">length</a> * _packet);
<a name="l01117"></a>01117 }
<a name="l01118"></a>01118 
<a name="l01119"></a>01119 <span class="comment">/* sync I/O */</span>
<a name="l01120"></a>01120 
<a name="l01121"></a>01121 <span class="keywordtype">int</span> <a class="code" href="group__syncio.html#gadb11f7a761bd12fc77a07f4568d56f38" title="Perform a USB control transfer.">libusb_control_transfer</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev_handle,
<a name="l01122"></a>01122     uint8_t request_type, uint8_t request, uint16_t value, uint16_t index,
<a name="l01123"></a>01123     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, uint16_t length, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> timeout);
<a name="l01124"></a>01124 
<a name="l01125"></a>01125 <span class="keywordtype">int</span> <a class="code" href="group__syncio.html#gab8ae853ab492c22d707241dc26c8a805" title="Perform a USB bulk transfer.">libusb_bulk_transfer</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev_handle,
<a name="l01126"></a>01126     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> endpoint, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">int</span> length,
<a name="l01127"></a>01127     <span class="keywordtype">int</span> *actual_length, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> timeout);
<a name="l01128"></a>01128 
<a name="l01129"></a>01129 <span class="keywordtype">int</span> <a class="code" href="group__syncio.html#gac412bda21b7ecf57e4c76877d78e6486" title="Perform a USB interrupt transfer.">libusb_interrupt_transfer</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev_handle,
<a name="l01130"></a>01130     <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> endpoint, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">int</span> length,
<a name="l01131"></a>01131     <span class="keywordtype">int</span> *actual_length, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> timeout);
<a name="l01132"></a>01132 
<a name="l01145"></a><a class="code" href="group__desc.html#ga465642422af4ba2a988e188c6c86d7f0">01145</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="group__desc.html#ga465642422af4ba2a988e188c6c86d7f0" title="Retrieve a descriptor from the default control pipe.">libusb_get_descriptor</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev,
<a name="l01146"></a>01146     uint8_t desc_type, uint8_t desc_index, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">int</span> length)
<a name="l01147"></a>01147 {
<a name="l01148"></a>01148     <span class="keywordflow">return</span> <a class="code" href="group__syncio.html#gadb11f7a761bd12fc77a07f4568d56f38" title="Perform a USB control transfer.">libusb_control_transfer</a>(dev, <a class="code" href="group__desc.html#gga86c880af878493aa8f805c2aba654b8ba3829979c66e5344367f32f4a31d43613" title="In: device-to-host.">LIBUSB_ENDPOINT_IN</a>,
<a name="l01149"></a>01149         <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa3ebb19fe897a2a36e90b2e8193b88b0f" title="Get the specified descriptor.">LIBUSB_REQUEST_GET_DESCRIPTOR</a>, (desc_type &lt;&lt; 8) | desc_index, 0, data,
<a name="l01150"></a>01150         length, 1000);
<a name="l01151"></a>01151 }
<a name="l01152"></a>01152 
<a name="l01167"></a><a class="code" href="group__desc.html#gab89c2119087308c6bfa6a4be30f39bc3">01167</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="group__desc.html#gab89c2119087308c6bfa6a4be30f39bc3" title="Retrieve a descriptor from a device.">libusb_get_string_descriptor</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev,
<a name="l01168"></a>01168     uint8_t desc_index, uint16_t langid, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">int</span> length)
<a name="l01169"></a>01169 {
<a name="l01170"></a>01170     <span class="keywordflow">return</span> <a class="code" href="group__syncio.html#gadb11f7a761bd12fc77a07f4568d56f38" title="Perform a USB control transfer.">libusb_control_transfer</a>(dev, <a class="code" href="group__desc.html#gga86c880af878493aa8f805c2aba654b8ba3829979c66e5344367f32f4a31d43613" title="In: device-to-host.">LIBUSB_ENDPOINT_IN</a>,
<a name="l01171"></a>01171         <a class="code" href="group__misc.html#gga5b5912057c2d7e23b3ed5aa0c20236dfa3ebb19fe897a2a36e90b2e8193b88b0f" title="Get the specified descriptor.">LIBUSB_REQUEST_GET_DESCRIPTOR</a>, (<a class="code" href="group__desc.html#gga0a2e8a25dfdebf29fdd4764dcdbc1a9ca2b8ca4332dce1357767ecab20ed2f4c2" title="String descriptor.">LIBUSB_DT_STRING</a> &lt;&lt; 8) | desc_index,
<a name="l01172"></a>01172         langid, data, length, 1000);
<a name="l01173"></a>01173 }
<a name="l01174"></a>01174 
<a name="l01175"></a>01175 <span class="keywordtype">int</span> <a class="code" href="group__desc.html#gaf3f92d0a7465d49a5e61eb3f8689fae4" title="Retrieve a string descriptor in C style ASCII.">libusb_get_string_descriptor_ascii</a>(<a class="code" href="group__dev.html#ga7df95821d20d27b5597f1d783749d6a4" title="Structure representing a handle on a USB device.">libusb_device_handle</a> *dev,
<a name="l01176"></a>01176     uint8_t index, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *data, <span class="keywordtype">int</span> length);
<a name="l01177"></a>01177 
<a name="l01178"></a>01178 <span class="comment">/* polling and timeouts */</span>
<a name="l01179"></a>01179 
<a name="l01180"></a>01180 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#ga6e5a116d5c9498ca4a0e29587fec1a05" title="Attempt to acquire the event handling lock.">libusb_try_lock_events</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01181"></a>01181 <span class="keywordtype">void</span> <a class="code" href="group__poll.html#gaa72153938dc4f34decfacbc6cc6237ef" title="Acquire the event handling lock, blocking until successful acquisition if it is contended...">libusb_lock_events</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01182"></a>01182 <span class="keywordtype">void</span> <a class="code" href="group__poll.html#gacefbeabdd3409490dc4678f00779c165" title="Release the lock previously acquired with libusb_try_lock_events() or libusb_lock_events()...">libusb_unlock_events</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01183"></a>01183 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#ga63592b28c265185d9469d1e6920d8373" title="Determine if it is still OK for this thread to be doing event handling.">libusb_event_handling_ok</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01184"></a>01184 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#ga3a0a6e8be310c20f1ca68722149f9dbf" title="Determine if an active thread is handling events (i.e.">libusb_event_handler_active</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01185"></a>01185 <span class="keywordtype">void</span> <a class="code" href="group__poll.html#ga150865a3f35c38173d688efa7ee52929" title="Acquire the event waiters lock.">libusb_lock_event_waiters</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01186"></a>01186 <span class="keywordtype">void</span> <a class="code" href="group__poll.html#ga41d7716458c11ee02d0deb19a31233ed" title="Release the event waiters lock.">libusb_unlock_event_waiters</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01187"></a>01187 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#gae22755d523560be2867be7d09034ca50" title="Wait for another thread to signal completion of an event.">libusb_wait_for_event</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx, <span class="keyword">struct</span> timeval *tv);
<a name="l01188"></a>01188 
<a name="l01189"></a>01189 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#ga6deff4c7d3a6c04bb9ec9fd259b48933" title="Handle any pending events.">libusb_handle_events_timeout</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx, <span class="keyword">struct</span> timeval *tv);
<a name="l01190"></a>01190 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#ga4989086e3f0327f3886a4c474ec7c327" title="Handle any pending events in blocking mode.">libusb_handle_events</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01191"></a>01191 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#ga71da081f97afa3bf68aed8e372254e8f" title="Handle any pending events by polling file descriptors, without checking if any other...">libusb_handle_events_locked</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx, <span class="keyword">struct</span> timeval *tv);
<a name="l01192"></a>01192 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#gae7a654315636bebf404c1784429f06df" title="Determines whether your application must apply special timing considerations when...">libusb_pollfds_handle_timeouts</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01193"></a>01193 <span class="keywordtype">int</span> <a class="code" href="group__poll.html#ga5bc6f5bc71a43845244912da6679f634" title="Determine the next internal timeout that libusb needs to handle.">libusb_get_next_timeout</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx, <span class="keyword">struct</span> timeval *tv);
<a name="l01194"></a>01194 
<a name="l01198"></a><a class="code" href="structlibusb__pollfd.html">01198</a> <span class="keyword">struct </span><a class="code" href="structlibusb__pollfd.html" title="File descriptor for polling.">libusb_pollfd</a> {
<a name="l01200"></a><a class="code" href="structlibusb__pollfd.html#a6bf9823709974cfb204e008eae7d451a">01200</a>     <span class="keywordtype">int</span> <a class="code" href="structlibusb__pollfd.html#a6bf9823709974cfb204e008eae7d451a" title="Numeric file descriptor.">fd</a>;
<a name="l01201"></a>01201 
<a name="l01206"></a><a class="code" href="structlibusb__pollfd.html#a5e6391383c132343ecd2f34b78ca017e">01206</a>     <span class="keywordtype">short</span> <a class="code" href="structlibusb__pollfd.html#a5e6391383c132343ecd2f34b78ca017e" title="Event flags to poll for from &amp;lt;poll.h&amp;gt;.">events</a>;
<a name="l01207"></a>01207 };
<a name="l01208"></a>01208 
<a name="l01219"></a><a class="code" href="group__poll.html#gabc8d353d64d262fa9f20ca01ba47dfcb">01219</a> <span class="keyword">typedef</span> void (*<a class="code" href="group__poll.html#gabc8d353d64d262fa9f20ca01ba47dfcb" title="Callback function, invoked when a new file descriptor should be added to the set...">libusb_pollfd_added_cb</a>)(<span class="keywordtype">int</span> fd, <span class="keywordtype">short</span> events, <span class="keywordtype">void</span> *user_data);
<a name="l01220"></a>01220 
<a name="l01230"></a><a class="code" href="group__poll.html#gafb48e26cc97667f1891f6d27f2c81ef6">01230</a> <span class="keyword">typedef</span> void (*<a class="code" href="group__poll.html#gafb48e26cc97667f1891f6d27f2c81ef6" title="Callback function, invoked when a file descriptor should be removed from the set...">libusb_pollfd_removed_cb</a>)(<span class="keywordtype">int</span> fd, <span class="keywordtype">void</span> *user_data);
<a name="l01231"></a>01231 
<a name="l01232"></a>01232 <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structlibusb__pollfd.html" title="File descriptor for polling.">libusb_pollfd</a> **<a class="code" href="group__poll.html#gab1a72869a926552b27a6c667695df3a2" title="Retrieve a list of file descriptors that should be polled by your main loop as libusb...">libusb_get_pollfds</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx);
<a name="l01233"></a>01233 <span class="keywordtype">void</span> <a class="code" href="group__poll.html#ga1b7b2deb193f2e9ffda5e727361d7e67" title="Register notification functions for file descriptor additions/removals.">libusb_set_pollfd_notifiers</a>(<a class="code" href="group__lib.html#ga4ec088aa7b79c4a9599e39bf36a72833" title="Structure representing a libusb session.">libusb_context</a> *ctx,
<a name="l01234"></a>01234     <a class="code" href="group__poll.html#gabc8d353d64d262fa9f20ca01ba47dfcb" title="Callback function, invoked when a new file descriptor should be added to the set...">libusb_pollfd_added_cb</a> added_cb, <a class="code" href="group__poll.html#gafb48e26cc97667f1891f6d27f2c81ef6" title="Callback function, invoked when a file descriptor should be removed from the set...">libusb_pollfd_removed_cb</a> removed_cb,
<a name="l01235"></a>01235     <span class="keywordtype">void</span> *user_data);
<a name="l01236"></a>01236 
<a name="l01237"></a>01237 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l01238"></a>01238 <span class="preprocessor"></span>}
<a name="l01239"></a>01239 <span class="preprocessor">#endif</span>
<a name="l01240"></a>01240 <span class="preprocessor"></span>
<a name="l01241"></a>01241 <span class="preprocessor">#endif</span>
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