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USB config options

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@971 42af7a65-404d-4744-a932-0658087f49c3
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patacongo 2008-10-02 00:29:05 +00:00
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Documentation/NuttxPortingGuide.html
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@ -16,7 +16,7 @@
</b></big></h1>
<p><small>by</small></p>
<p>Gregory Nutt</p>
<p><small>Last Update: September 17, 2008</small></p>
<p><small>Last Update: October 1, 2008</small></p>
</center>
<center><h1>Table of Contents</h1></center>
@ -1627,6 +1627,31 @@ The system can be re-made subsequently by just typing <code>make</code>.
</li>
</ul>
<h2>USB device controller driver</h2>
<ul>
<li>
<code>CONFIG_USBDEV</code>: Enables USB device support
</li>
<li>
<code>CONFIG_USBDEV_ISOCHRONOUS</code>: Build in extra support for isochronous endpoints
</li>
<li>
<code>CONFIG_USBDEV_DUALSPEED</code>: Hardware handles high and full speed operation (USB 2.0)
</li>
<li>
<code>CONFIG_USBDEV_SELFPOWERED</code>: Will cause USB features to indicate that the device is self-powered
</li>
<li>
<code>CONFIG_USBDEV_MAXPOWER</code>: Maximum power consumption in mA
</li>
<li>
<code>CONFIG_USBDEV_TRACE</code>: Enables USB tracing for debug
</li>
<li>
<code>CONFIG_USBDEV_TRACE_NRECORDS</code>: Number of trace entries to remember
</li>
</ul>
<h2>Stack and heap information</h2>
<ul>