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USB bulk storage configuration settings

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1064 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2008-10-22 22:03:47 +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: October 9, 2008</small></p>
<p><small>Last Update: October 22, 2008</small></p>
</center>
<center><h1>Table of Contents</h1></center>
@@ -1678,6 +1678,40 @@ The system can be re-made subsequently by just typing <code>make</code>.
</li>
</ul>
<h3>USB Storage Device Configuration</h3>
<ul>
<li>
<code>CONFIG_USBSTRG_EP0MAXPACKET</code>:
Max packet size for endpoint 0
</li>
<li>
<code>CONFIG_USBSTRGEPBULKOUT</code> and <code>CONFIG_USBSTRG_EPBULKIN</code>:
The logical 7-bit address of a hardware endpoints that support bulk OUT and IN operations
</li>
<li>
<code>CONFIG_USBSTRG_NWRREQS</code> and <code>CONFIG_USBSTRG_NRDREQS</code>:
The number of write/read requests that can be in flight
</li>
<li>
<code>CONFIG_USBSTRG_BULKINREQLEN</code> and <code>CONFIG_USBSTRG_BULKOUTREQLEN</code>:
The size of the buffer in each write/read request.
This value needs to be at least as large as the endpoint maxpacket and
ideally as large as a block device sector.
</li>
<li>
<code>CONFIG_USBSTRG_VENDORID</code> and <code>CONFIG_USBSTRG_VENDORSTR</code>:
The vendor ID code/string
</li>
<li>
<code>CONFIG_USBSTRG_PRODUCTID</code> and <code>CONFIG_USBSTRG_PRODUCTSTR</code>:
The product ID code/string
</li>
<li>
<code>CONFIG_USBSTRG_REMOVABLE</code>:
Select if the media is removable
</li>
</ul>
<h2>Stack and heap information</h2>
<ul>