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<h1>libusb_control_setup Struct Reference<br/>
<small>
[<a class="el" href="group__asyncio.html">Asynchronous device I/O</a>]</small>
</h1><!-- doxytag: class="libusb_control_setup" -->
<p>Setup packet for control transfers.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="libusb_8h_source.html">libusb.h</a>></code></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Data Fields</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structlibusb__control__setup.html#a39b148c231d675492ccd2383196926bf">bmRequestType</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Request type. <a href="#a39b148c231d675492ccd2383196926bf"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structlibusb__control__setup.html#a1b80a28b8d4e8586fc54358194e70087">bRequest</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Request. <a href="#a1b80a28b8d4e8586fc54358194e70087"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structlibusb__control__setup.html#abbb6daa01fe4b6a05dc43492e4e53a7d">wValue</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Value. <a href="#abbb6daa01fe4b6a05dc43492e4e53a7d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structlibusb__control__setup.html#a70c2ae456344b200a19d434ace85ae2b">wIndex</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Index. <a href="#a70c2ae456344b200a19d434ace85ae2b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3c442c64fd7619b43b782367235766cc"></a><!-- doxytag: member="libusb_control_setup::wLength" ref="a3c442c64fd7619b43b782367235766cc" args="" -->
uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structlibusb__control__setup.html#a3c442c64fd7619b43b782367235766cc">wLength</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Number of bytes to transfer. <br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Setup packet for control transfers. </p>
<hr/><h2>Field Documentation</h2>
<a class="anchor" id="a39b148c231d675492ccd2383196926bf"></a><!-- doxytag: member="libusb_control_setup::bmRequestType" ref="a39b148c231d675492ccd2383196926bf" args="" -->
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<td class="memname">uint8_t <a class="el" href="structlibusb__control__setup.html#a39b148c231d675492ccd2383196926bf">libusb_control_setup::bmRequestType</a></td>
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<p>Request type. </p>
<p>Bits 0:4 determine recipient, see <a class="el" href="group__misc.html#ga20a4e8a729aa543fa742a5086596cbae">libusb_request_recipient</a>. Bits 5:6 determine type, see <a class="el" href="group__misc.html#ga0b0933ae70744726cde11254c39fac91">libusb_request_type</a>. Bit 7 determines data transfer direction, see <a class="el" href="group__desc.html#ga86c880af878493aa8f805c2aba654b8b">libusb_endpoint_direction</a>. </p>
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<a class="anchor" id="a1b80a28b8d4e8586fc54358194e70087"></a><!-- doxytag: member="libusb_control_setup::bRequest" ref="a1b80a28b8d4e8586fc54358194e70087" args="" -->
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<td class="memname">uint8_t <a class="el" href="structlibusb__control__setup.html#a1b80a28b8d4e8586fc54358194e70087">libusb_control_setup::bRequest</a></td>
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<p>Request. </p>
<p>If the type bits of bmRequestType are equal to <a class="el" href="group__misc.html#gga0b0933ae70744726cde11254c39fac91a20eca62c34d2d25be7e1776510184209">LIBUSB_REQUEST_TYPE_STANDARD</a> then this field refers to <a class="el" href="group__misc.html#ga5b5912057c2d7e23b3ed5aa0c20236df">libusb_standard_request</a>. For other cases, use of this field is application-specific. </p>
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<a class="anchor" id="abbb6daa01fe4b6a05dc43492e4e53a7d"></a><!-- doxytag: member="libusb_control_setup::wValue" ref="abbb6daa01fe4b6a05dc43492e4e53a7d" args="" -->
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<td class="memname">uint16_t <a class="el" href="structlibusb__control__setup.html#abbb6daa01fe4b6a05dc43492e4e53a7d">libusb_control_setup::wValue</a></td>
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<p>Value. </p>
<p>Varies according to request </p>
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<a class="anchor" id="a70c2ae456344b200a19d434ace85ae2b"></a><!-- doxytag: member="libusb_control_setup::wIndex" ref="a70c2ae456344b200a19d434ace85ae2b" args="" -->
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<td class="memname">uint16_t <a class="el" href="structlibusb__control__setup.html#a70c2ae456344b200a19d434ace85ae2b">libusb_control_setup::wIndex</a></td>
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<p>Index. </p>
<p>Varies according to request, typically used to pass an index or offset </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="libusb_8h_source.html">libusb.h</a></li>
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