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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- Mode: C; indent-tabs-mode:t ; c-basic-offset:8 -*- */</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Hotplug support for libusb</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright © 2012-2013 Nathan Hjelm <hjelmn@mac.com></span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Copyright © 2012-2013 Peter Stuge <peter@stuge.se></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Lesser General Public License for more details.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * License along with this library; if not, write to the Free Software</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef USBI_HOTPLUG_H</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#define USBI_HOTPLUG_H</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "libusbi.h"</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">enum</span> usbi_hotplug_flags {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="comment">/* This callback is interested in device arrivals */</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  USBI_HOTPLUG_DEVICE_ARRIVED = <a class="code" href="group__libusb__hotplug.html#gga556d598ca379618a41bbec3597f55dcfac012270cba6e08dafe7e3bec204dffd6">LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED</a>,</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="comment">/* This callback is interested in device removals */</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  USBI_HOTPLUG_DEVICE_LEFT = <a class="code" href="group__libusb__hotplug.html#gga556d598ca379618a41bbec3597f55dcfac8234e02b673893ed549329ef3180a27">LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT</a>,</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">/* IMPORTANT: The values for the below entries must start *after*</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * the highest value of the above entries!!!</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">/* The vendor_id field is valid for matching */</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  USBI_HOTPLUG_VENDOR_ID_VALID = (1U << 3),</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">/* The product_id field is valid for matching */</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  USBI_HOTPLUG_PRODUCT_ID_VALID = (1U << 4),</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">/* The dev_class field is valid for matching */</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  USBI_HOTPLUG_DEV_CLASS_VALID = (1U << 5),</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">/* This callback has been unregistered and needs to be freed */</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  USBI_HOTPLUG_NEEDS_FREE = (1U << 6),</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> };</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html"> 56</a></span> <span class="keyword">struct </span><a class="code" href="structlibusb__hotplug__callback.html">libusb_hotplug_callback</a> {</div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html#aabc6b1e294d2e46a87e925cd5ead7177"> 58</a></span>  uint8_t <a class="code" href="structlibusb__hotplug__callback.html#aabc6b1e294d2e46a87e925cd5ead7177">flags</a>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html#a225bd1143dd36a4de4e8b235bca5696f"> 61</a></span>  uint16_t <a class="code" href="structlibusb__hotplug__callback.html#a225bd1143dd36a4de4e8b235bca5696f">vendor_id</a>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html#ad160752e8c0a272dc8b813cee13bf5ff"> 64</a></span>  uint16_t <a class="code" href="structlibusb__hotplug__callback.html#ad160752e8c0a272dc8b813cee13bf5ff">product_id</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html#a8288b446fdd5b4f82b84fc54da12acd2"> 67</a></span>  uint8_t <a class="code" href="structlibusb__hotplug__callback.html#a8288b446fdd5b4f82b84fc54da12acd2">dev_class</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html#a92d26489527254148eea58c3ba093f2e"> 70</a></span>  <a class="code" href="group__libusb__hotplug.html#ga34e9904eb8e5124057a866f777cc99a8">libusb_hotplug_callback_fn</a> <a class="code" href="structlibusb__hotplug__callback.html#a92d26489527254148eea58c3ba093f2e">cb</a>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html#a1426ef8996282da039ef571a51021de8"> 73</a></span>  <a class="code" href="group__libusb__hotplug.html#ga4868157346bbf2c70b6af0cb0a6c0094">libusb_hotplug_callback_handle</a> <a class="code" href="structlibusb__hotplug__callback.html#a1426ef8996282da039ef571a51021de8">handle</a>;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html#a6f694fe2d6882247ac29be2b19a7613f"> 76</a></span>  <span class="keywordtype">void</span> *<a class="code" href="structlibusb__hotplug__callback.html#a6f694fe2d6882247ac29be2b19a7613f">user_data</a>;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__callback.html#ab5292dbd7b4e0751da3843a15ccf9849"> 79</a></span>  <span class="keyword">struct </span><a class="code" href="structlist__head.html">list_head</a> <a class="code" href="structlibusb__hotplug__callback.html#ab5292dbd7b4e0751da3843a15ccf9849">list</a>;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> };</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__message.html"> 82</a></span> <span class="keyword">struct </span><a class="code" href="structlibusb__hotplug__message.html">libusb_hotplug_message</a> {</div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__message.html#a56456d7367eead07be7c82802e3d67dd"> 84</a></span>  <a class="code" href="group__libusb__hotplug.html#ga556d598ca379618a41bbec3597f55dcf">libusb_hotplug_event</a> <a class="code" href="structlibusb__hotplug__message.html#a56456d7367eead07be7c82802e3d67dd">event</a>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__message.html#ac42de910078bf0edb5519579f04c8e30"> 87</a></span>  <span class="keyword">struct </span><a class="code" href="structlibusb__device.html">libusb_device</a> *<a class="code" href="structlibusb__hotplug__message.html#ac42de910078bf0edb5519579f04c8e30">device</a>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="structlibusb__hotplug__message.html#aaac29e84d230969931dbe91382875c3b"> 90</a></span>  <span class="keyword">struct </span><a class="code" href="structlist__head.html">list_head</a> list;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> };</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#define for_each_hotplug_cb(ctx, c) \</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor"> for_each_helper(c, &(ctx)->hotplug_cbs, struct libusb_hotplug_callback)</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#define for_each_hotplug_cb_safe(ctx, c, n) \</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor"> for_each_safe_helper(c, n, &(ctx)->hotplug_cbs, struct libusb_hotplug_callback)</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keywordtype">void</span> usbi_hotplug_deregister(<span class="keyword">struct</span> <a class="code" href="structlibusb__context.html">libusb_context</a> *ctx, <span class="keywordtype">int</span> forced);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keywordtype">void</span> usbi_hotplug_match(<span class="keyword">struct</span> <a class="code" href="structlibusb__context.html">libusb_context</a> *ctx, <span class="keyword">struct</span> <a class="code" href="structlibusb__device.html">libusb_device</a> *dev,</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="group__libusb__hotplug.html#ga556d598ca379618a41bbec3597f55dcf">libusb_hotplug_event</a> event);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keywordtype">void</span> usbi_hotplug_notification(<span class="keyword">struct</span> <a class="code" href="structlibusb__context.html">libusb_context</a> *ctx, <span class="keyword">struct</span> <a class="code" href="structlibusb__device.html">libusb_device</a> *dev,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="group__libusb__hotplug.html#ga556d598ca379618a41bbec3597f55dcf">libusb_hotplug_event</a> event);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="structlibusb__hotplug__message_html_ac42de910078bf0edb5519579f04c8e30"><div class="ttname"><a href="structlibusb__hotplug__message.html#ac42de910078bf0edb5519579f04c8e30">libusb_hotplug_message::device</a></div><div class="ttdeci">struct libusb_device * device</div><div class="ttdef"><b>Definition:</b> hotplug.h:87</div></div>
<div class="ttc" id="structlibusb__context_html"><div class="ttname"><a href="structlibusb__context.html">libusb_context</a></div><div class="ttdef"><b>Definition:</b> libusbi.h:301</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html_ad160752e8c0a272dc8b813cee13bf5ff"><div class="ttname"><a href="structlibusb__hotplug__callback.html#ad160752e8c0a272dc8b813cee13bf5ff">libusb_hotplug_callback::product_id</a></div><div class="ttdeci">uint16_t product_id</div><div class="ttdef"><b>Definition:</b> hotplug.h:64</div></div>
<div class="ttc" id="group__libusb__hotplug_html_gga556d598ca379618a41bbec3597f55dcfac8234e02b673893ed549329ef3180a27"><div class="ttname"><a href="group__libusb__hotplug.html#gga556d598ca379618a41bbec3597f55dcfac8234e02b673893ed549329ef3180a27">LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT</a></div><div class="ttdef"><b>Definition:</b> libusb.h:1944</div></div>
<div class="ttc" id="group__libusb__hotplug_html_gga556d598ca379618a41bbec3597f55dcfac012270cba6e08dafe7e3bec204dffd6"><div class="ttname"><a href="group__libusb__hotplug.html#gga556d598ca379618a41bbec3597f55dcfac012270cba6e08dafe7e3bec204dffd6">LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED</a></div><div class="ttdef"><b>Definition:</b> libusb.h:1939</div></div>
<div class="ttc" id="structlist__head_html"><div class="ttname"><a href="structlist__head.html">list_head</a></div><div class="ttdef"><b>Definition:</b> libusbi.h:127</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html_a225bd1143dd36a4de4e8b235bca5696f"><div class="ttname"><a href="structlibusb__hotplug__callback.html#a225bd1143dd36a4de4e8b235bca5696f">libusb_hotplug_callback::vendor_id</a></div><div class="ttdeci">uint16_t vendor_id</div><div class="ttdef"><b>Definition:</b> hotplug.h:61</div></div>
<div class="ttc" id="group__libusb__hotplug_html_ga556d598ca379618a41bbec3597f55dcf"><div class="ttname"><a href="group__libusb__hotplug.html#ga556d598ca379618a41bbec3597f55dcf">libusb_hotplug_event</a></div><div class="ttdeci">libusb_hotplug_event</div><div class="ttdef"><b>Definition:</b> libusb.h:1937</div></div>
<div class="ttc" id="group__libusb__hotplug_html_ga4868157346bbf2c70b6af0cb0a6c0094"><div class="ttname"><a href="group__libusb__hotplug.html#ga4868157346bbf2c70b6af0cb0a6c0094">libusb_hotplug_callback_handle</a></div><div class="ttdeci">int libusb_hotplug_callback_handle</div><div class="ttdef"><b>Definition:</b> libusb.h:1930</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html_ab5292dbd7b4e0751da3843a15ccf9849"><div class="ttname"><a href="structlibusb__hotplug__callback.html#ab5292dbd7b4e0751da3843a15ccf9849">libusb_hotplug_callback::list</a></div><div class="ttdeci">struct list_head list</div><div class="ttdef"><b>Definition:</b> hotplug.h:79</div></div>
<div class="ttc" id="structlibusb__hotplug__message_html_a56456d7367eead07be7c82802e3d67dd"><div class="ttname"><a href="structlibusb__hotplug__message.html#a56456d7367eead07be7c82802e3d67dd">libusb_hotplug_message::event</a></div><div class="ttdeci">libusb_hotplug_event event</div><div class="ttdef"><b>Definition:</b> hotplug.h:84</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html_a92d26489527254148eea58c3ba093f2e"><div class="ttname"><a href="structlibusb__hotplug__callback.html#a92d26489527254148eea58c3ba093f2e">libusb_hotplug_callback::cb</a></div><div class="ttdeci">libusb_hotplug_callback_fn cb</div><div class="ttdef"><b>Definition:</b> hotplug.h:70</div></div>
<div class="ttc" id="group__libusb__hotplug_html_ga34e9904eb8e5124057a866f777cc99a8"><div class="ttname"><a href="group__libusb__hotplug.html#ga34e9904eb8e5124057a866f777cc99a8">libusb_hotplug_callback_fn</a></div><div class="ttdeci">int(LIBUSB_CALL * libusb_hotplug_callback_fn)(libusb_context *ctx, libusb_device *device, libusb_hotplug_event event, void *user_data)</div><div class="ttdef"><b>Definition:</b> libusb.h:1987</div></div>
<div class="ttc" id="structlibusb__device_html"><div class="ttname"><a href="structlibusb__device.html">libusb_device</a></div><div class="ttdef"><b>Definition:</b> libusbi.h:439</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html_a8288b446fdd5b4f82b84fc54da12acd2"><div class="ttname"><a href="structlibusb__hotplug__callback.html#a8288b446fdd5b4f82b84fc54da12acd2">libusb_hotplug_callback::dev_class</a></div><div class="ttdeci">uint8_t dev_class</div><div class="ttdef"><b>Definition:</b> hotplug.h:67</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html"><div class="ttname"><a href="structlibusb__hotplug__callback.html">libusb_hotplug_callback</a></div><div class="ttdef"><b>Definition:</b> hotplug.h:56</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html_aabc6b1e294d2e46a87e925cd5ead7177"><div class="ttname"><a href="structlibusb__hotplug__callback.html#aabc6b1e294d2e46a87e925cd5ead7177">libusb_hotplug_callback::flags</a></div><div class="ttdeci">uint8_t flags</div><div class="ttdef"><b>Definition:</b> hotplug.h:58</div></div>
<div class="ttc" id="structlibusb__hotplug__message_html"><div class="ttname"><a href="structlibusb__hotplug__message.html">libusb_hotplug_message</a></div><div class="ttdef"><b>Definition:</b> hotplug.h:82</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html_a1426ef8996282da039ef571a51021de8"><div class="ttname"><a href="structlibusb__hotplug__callback.html#a1426ef8996282da039ef571a51021de8">libusb_hotplug_callback::handle</a></div><div class="ttdeci">libusb_hotplug_callback_handle handle</div><div class="ttdef"><b>Definition:</b> hotplug.h:73</div></div>
<div class="ttc" id="structlibusb__hotplug__callback_html_a6f694fe2d6882247ac29be2b19a7613f"><div class="ttname"><a href="structlibusb__hotplug__callback.html#a6f694fe2d6882247ac29be2b19a7613f">libusb_hotplug_callback::user_data</a></div><div class="ttdeci">void * user_data</div><div class="ttdef"><b>Definition:</b> hotplug.h:76</div></div>
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