2007-02-22 02:50:30 +01:00
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<html>
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<head>
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<title>NuttX</title>
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</head>
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<body background="backgd.gif">
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2007-03-15 04:00:29 +01:00
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<hr><hr>
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<table width ="100%">
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<tr align="center" bgcolor="#e4e4e4">
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<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
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2008-11-07 21:56:35 +01:00
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<p>Last Updated: November 7, 2008</p>
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2007-03-15 04:00:29 +01:00
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<table width ="100%">
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<td>
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2007-03-14 19:58:21 +01:00
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<h1>Table of Contents</h1>
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2007-03-15 04:00:29 +01:00
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<center><table width ="80%">
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<tr>
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<td>
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<table>
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#overview">Overview</a>.<br>
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What is NuttX?
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</td>
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</tr>
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#downloads">Downloads</a>.<br>
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Where can I get NuttX? What is the current development status?
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</td>
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2007-03-15 04:00:29 +01:00
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</tr>
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#platforms">Supported Platforms</a>.<br>
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What target platforms has NuttX been ported to?
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</td>
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2007-03-15 04:00:29 +01:00
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</tr>
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<tr>
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2008-09-04 17:53:22 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#environments">Development Environments</a>.<br>
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What kinds of host cross-development platforms can be used with NuttX?
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</td>
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2007-03-15 04:00:29 +01:00
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</tr>
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#footprint">Memory Footprint</a>.<br>
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Just how big is it? Do I have enough memory to use NuttX?
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</td>
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2007-03-15 04:00:29 +01:00
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</tr>
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#licensing">Licensing</a>.<br>
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Are there any licensing restrictions for the use of NuttX? (Almost none)
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Will there be problems if I link my proprietary code with NuttX? (No)
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</td>
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2007-03-15 04:00:29 +01:00
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</tr>
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#history">Release History</a><br>
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What has changed in the last release of NuttX?
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What unreleased changes are pending in CVS?
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</td>
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2007-03-15 04:00:29 +01:00
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</tr>
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2007-12-13 17:52:37 +01:00
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#TODO">Bugs, Issues, <i>Things-To-Do</i></a>.<br>
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Software is never finished nor ever tested well enough.
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2008-01-08 23:19:32 +01:00
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(Do you want to help develop NuttX? If so, send me an email).
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2008-01-08 23:11:00 +01:00
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</td>
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2007-12-13 17:52:37 +01:00
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</tr>
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2007-03-15 04:00:29 +01:00
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#documentation">Other Documentation</a>.<br>
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What other NuttX documentation is available?
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</td>
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2007-03-15 04:00:29 +01:00
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</tr>
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2007-12-05 02:02:45 +01:00
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2008-01-08 23:11:00 +01:00
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<td>
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<a href="#trademarks">Trademarks</a>.<br>
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Some of the words used in this document belong to other people.
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</td>
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2007-12-05 02:02:45 +01:00
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</tr>
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2007-03-15 04:00:29 +01:00
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</table>
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</td>
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2008-09-04 02:04:52 +02:00
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</tr>
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2007-03-15 04:00:29 +01:00
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</table></center>
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<table width ="100%">
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<tr bgcolor="#e4e4e4">
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<td>
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<a name="overview"><h1>Overview</h1></a>
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</td>
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</tr>
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</table>
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2007-02-22 02:50:30 +01:00
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<p>
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2007-03-09 20:17:40 +01:00
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<b>Goals</b>.
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2007-02-22 02:50:30 +01:00
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Nuttx is a real timed embedded operating system (RTOS).
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Its goals are:
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<p>
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2007-03-15 04:00:29 +01:00
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<center><table width="90%">
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2007-03-15 04:00:29 +01:00
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<td bgcolor="#5eaee1">
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<b>Small Footprint</b>
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</td>
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</tr>
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<tr>
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<td><br></td>
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<td>
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2007-03-09 20:17:40 +01:00
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<p>
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Usable in all but the tightest micro-controller environments,
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The focus is on the tiny-to-small, deeply embedded environment.
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</p>
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2007-03-15 04:00:29 +01:00
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</tr>
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2007-03-15 04:00:29 +01:00
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<td bgcolor="#5eaee1">
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<b>Rich Feature OS Set</b>
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</td>
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</tr>
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<tr>
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<td><br></td>
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<td>
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2007-03-09 20:17:40 +01:00
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<p>
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2007-12-05 02:02:45 +01:00
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The goal is to provide implementations of most standard POSIX OS interfaces
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to support a rich, multi-threaded development environment for deeply embedded
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2007-05-09 02:06:22 +02:00
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processors.
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2007-03-09 20:17:40 +01:00
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</p>
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2007-05-09 02:06:22 +02:00
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NON-GOALS: (1) It is not a goal to provide the rich level of OS
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features like those provided with Linux.
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Small footprint is more important than features.
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Standard compliance is more important than small footprint.
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2007-03-09 20:17:40 +01:00
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(2) There is no MMU-based support for processes.
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At present, NuttX assumes a flat address space.
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</p>
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2007-03-15 04:00:29 +01:00
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</tr>
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2007-03-15 04:00:29 +01:00
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<td bgcolor="#5eaee1">
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<b>Highly Scalable</b>
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</td>
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</tr>
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<tr>
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<td><br></td>
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<td>
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2007-03-09 20:17:40 +01:00
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<p>
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Fully scalable from tiny (8-bit) to moderate embedded (32-bit).
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Scalability with rich feature set is accomplished with:
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Many tiny source files, link from static libraries, highly configurable, use of
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weak symbols when available.
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</p>
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2007-03-15 04:00:29 +01:00
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2007-03-15 04:00:29 +01:00
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<td bgcolor="#5eaee1">
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<b>Standards Compliance</b>
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</td>
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</tr>
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<tr>
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<td><br></td>
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2007-03-09 20:17:40 +01:00
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<p>
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NuttX strives to achieve a high degree of standards compliance.
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2007-12-05 02:27:17 +01:00
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The primary governing standards are POSIX and ANSI standards.
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2007-03-09 20:17:40 +01:00
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Additional standard APIs from Unix and other common RTOS's are
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adopted for functionality not available under these standards
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2008-01-08 23:19:32 +01:00
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or for functionality that is not appropriate for the deeply-embedded
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2007-03-09 20:17:40 +01:00
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RTOS (such as <code>fork()</code>).
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</p>
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<p>
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Because of this standards conformance, software developed under other
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standard OSs (such as Linux) should port easily to NuttX.
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</p>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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<td bgcolor="#5eaee1">
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<b>Real-Time</b>
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</td>
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<td><br></td>
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2007-03-09 20:17:40 +01:00
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<p>
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Fully pre-emptible, fixed priority and round-robin scheduling.
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</p>
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2007-03-15 04:00:29 +01:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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<td bgcolor="#5eaee1">
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<b>Totally Open</b>
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</td>
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<td><br></td>
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2007-03-09 20:17:40 +01:00
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<p>
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Non-restrictive BSD license.
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</p>
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2007-03-15 04:00:29 +01:00
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</tr>
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</table></center>
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2007-02-22 02:50:30 +01:00
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2007-12-05 02:02:45 +01:00
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<p>
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<b>Feature Set</b>.
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Key features of NuttX include:
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<p>
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<center><table width="90%">
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<tr>
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2008-09-04 17:50:30 +02:00
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<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
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2007-12-05 02:02:45 +01:00
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<td bgcolor="#5eaee1">
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<b>Standards Compliant Core Task Management</b>
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</td>
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<td><br></td>
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<td>
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<p>
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2007-12-05 16:12:38 +01:00
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<li>Modular, micro-kernel</li>
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2007-12-05 02:02:45 +01:00
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</p>
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<td>
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<p>
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2007-12-05 16:12:38 +01:00
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<li>Fully pre-emptible.</li>
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</p>
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<p>
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2007-12-05 16:12:38 +01:00
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<li>Naturally scalable.</li>
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2007-12-05 02:02:45 +01:00
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</p>
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2008-09-08 02:00:25 +02:00
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<tr>
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<td>
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<p>
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<li>Highly configurable.</li>
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</p>
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</tr>
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2007-12-05 02:02:45 +01:00
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<tr>
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<td><br></td>
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<td>
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<p>
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2007-12-10 18:41:40 +01:00
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<li>Easily extensible to new processor architectures, SoC architecture, or board architectures.
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A <a href="NuttxPortingGuide.html">Porting Guide</a> is in development.</li>
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2007-12-05 02:02:45 +01:00
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</p>
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</tr>
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<tr>
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<td><br></td>
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<td>
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<p>
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2007-12-05 16:12:38 +01:00
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<li>FIFO and round-robin scheduling.</li>
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2007-12-05 02:02:45 +01:00
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</p>
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</tr>
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<tr>
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<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>Realtime, deterministic.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>POSIX/ANSI-like task controls, named message queues, counting semaphores, clocks/timers, signals, pthreads, environment variables, filesystem.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>VxWorks-like task management and watchdog timers.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>BSD socket interface.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>Extensions to manage pre-emption.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>Well documented in the NuttX <a href="NuttxUserGuide.html">User Guide</a>.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-12-05 02:02:45 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>File system</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>Tiny in-memory, root pseudo-file-system.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>Supports character and block drivers.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2008-10-25 00:42:28 +02:00
|
|
|
<li>Network, USB (device), serial, CAN, driver architecture.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
2008-09-08 02:00:25 +02:00
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<li>RAMDISK, pipes, FIFO, <code>/dev/null</code>, <code>/dev/zero</code> drivers.</li>
|
|
|
|
|
</p>
|
|
|
|
|
</tr>
|
2007-12-05 02:02:45 +01:00
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>Mount-able volumes. Bind mountpoint, filesystem, and block device driver.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2008-09-10 21:29:24 +02:00
|
|
|
<li>FAT12/16/32 filesystem support.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
2008-10-28 18:40:11 +01:00
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<li>Generic driver for SPI-based MMC/SD cards.</li>
|
|
|
|
|
</p>
|
|
|
|
|
</tr>
|
2008-09-10 21:29:24 +02:00
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<li>ROMFS filesystem support.</li>
|
|
|
|
|
</p>
|
|
|
|
|
</tr>
|
2008-10-25 00:42:28 +02:00
|
|
|
|
2007-12-05 02:02:45 +01:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-12-05 02:02:45 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>C Library</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>Fully integrated into the OS.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-12-05 02:02:45 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Networking</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>TCP/IP, UDP, ICMP stacks.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>Small footprint (based on uIP).</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2007-12-05 16:12:38 +01:00
|
|
|
<li>BSD compatible socket layer.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2008-09-08 02:00:25 +02:00
|
|
|
<li>Networking utilities (DHCP, SMTP, TELNET, TFTP, HTTP)</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
2008-10-10 20:14:24 +02:00
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
|
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>USB Device Support</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<li><i>Gadget</i>-like architecture for USB device controller drivers and device-dependent USB class drivers.</li>
|
|
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<li>USB device controller drivers available for the NXP LPC214x and TI DM320.</li>
|
|
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2008-10-28 18:40:11 +01:00
|
|
|
<li>Device-dependent USB class drivers available for USB serial and for USB mass storage.</li>
|
2008-10-10 20:14:24 +02:00
|
|
|
</p>
|
|
|
|
|
</tr>
|
2008-10-25 00:42:28 +02:00
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<li>Bult-in USB trace functionality for USB debug.</li>
|
|
|
|
|
</p>
|
|
|
|
|
</tr>
|
2008-10-10 20:14:24 +02:00
|
|
|
|
2007-12-05 02:02:45 +01:00
|
|
|
</table></center>
|
|
|
|
|
|
2008-01-06 22:03:42 +01:00
|
|
|
<p>
|
|
|
|
|
<b>NuttX Add-Ons</b>.
|
|
|
|
|
The following packages are available to extend the basic NuttX feature set:
|
|
|
|
|
<p>
|
|
|
|
|
<center><table width="90%">
|
|
|
|
|
|
2008-09-08 02:00:25 +02:00
|
|
|
<tr>
|
|
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
|
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>NuttShell (NSH)</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<li>A small, scalable, bash-like shell for NuttX with rich feature set and small footprint.
|
|
|
|
|
See the <a href="NuttShell.html">NuttShell User Guide</a>.</li>
|
|
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
|
2008-01-06 22:03:42 +01:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2008-01-06 22:03:42 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Pascal Compiler with NuttX runtime P-Code interpreter add-on</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<li>The Pascal add-on is available for download from the
|
|
|
|
|
<a href="http://sourceforge.net/project/showfiles.php?group_id=189573">SourceForge</a>
|
|
|
|
|
website.</li>
|
|
|
|
|
</p>
|
|
|
|
|
</tr>
|
|
|
|
|
</table></center>
|
|
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="downloads"><h1>Downloads</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-03-09 20:17:40 +01:00
|
|
|
|
2008-10-28 18:40:11 +01:00
|
|
|
<p><b>nuttx-0.3.17</b>.
|
|
|
|
|
The 29th release of NuttX (nuttx-0.3.16) is available for download
|
2007-11-23 20:25:39 +01:00
|
|
|
from the <a href="http://sourceforge.net/project/showfiles.php?group_id=189573">SourceForge</a>
|
|
|
|
|
website.
|
|
|
|
|
The change log associated with the release is available <a href="#currentrelease">here</a>.
|
2008-01-08 23:19:32 +01:00
|
|
|
Unreleased changes after this release are available in CVS.
|
2007-11-23 20:25:39 +01:00
|
|
|
These unreleased changes are listed <a href="#pendingchanges">here</a>.
|
2007-03-09 20:17:40 +01:00
|
|
|
</p>
|
2008-10-28 18:40:11 +01:00
|
|
|
<p><b>MMC/SD and USB Mass Storage Support</b>.
|
|
|
|
|
The nuttx-0.3.17 release includes additional support for USB in NuttX.
|
|
|
|
|
The following new features were added:
|
2008-10-10 20:14:24 +02:00
|
|
|
<ul>
|
2008-10-28 18:40:11 +01:00
|
|
|
<li>Added support for SPI-based MMC/SD cards (with an SPI driver for the NXP LPC214x).</li>
|
|
|
|
|
<li>Added USB storage class device side driver (BBB)</li>
|
|
|
|
|
<li>Added an example that demonstrates the USB storage class by exporting the SPI based MMC/SD card on the NXP LPC214x.</li>
|
2008-10-10 20:14:24 +02:00
|
|
|
</ul>
|
|
|
|
|
</p>
|
|
|
|
|
<p>
|
2008-10-28 18:40:11 +01:00
|
|
|
This is an early alpha release of these drivers.
|
2008-10-28 20:16:06 +01:00
|
|
|
A known problem is that the storage driver does not work properly with WinXP when debug features are disabled.
|
2008-10-10 20:14:24 +02:00
|
|
|
</p>
|
2008-10-28 18:40:11 +01:00
|
|
|
<p><b>Bugs Fixed</b>
|
|
|
|
|
Several important bugs were also fixed in the FAT file system, USB serial driver and
|
|
|
|
|
NXP LPC214x USB controller driver (see the current <a href="#currentrelease">ChangeLog</a> for details).
|
2007-11-06 20:58:14 +01:00
|
|
|
</p>
|
2008-01-08 05:48:36 +01:00
|
|
|
<p>
|
2008-10-28 18:40:11 +01:00
|
|
|
These changes were verified only on the mcu123.com NXP LPC2148 board using a Linux development environment.
|
|
|
|
|
USB testing was performed using both a Linux host and a WinXP host.
|
2008-02-01 00:15:03 +01:00
|
|
|
As usual, any feedback about bugs or suggestions for improvement would be greatly appreciated.
|
2008-01-08 05:48:36 +01:00
|
|
|
</p>
|
2007-03-09 20:17:40 +01:00
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="platforms"><h1>Supported Platforms</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-02-22 02:50:30 +01:00
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<center><table width="90%">
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2007-03-15 04:00:29 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Linux User Mode</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
2007-03-09 20:17:40 +01:00
|
|
|
<p>
|
2008-11-07 01:28:42 +01:00
|
|
|
A user-mode port of NuttX to the x86 Linux/Cygwin platform is available.
|
2008-01-08 23:19:32 +01:00
|
|
|
The purpose of this port is primarily to support OS feature development.
|
2007-03-09 20:17:40 +01:00
|
|
|
</p>
|
|
|
|
|
<p>
|
2007-03-16 23:24:52 +01:00
|
|
|
<b>STATUS:</b>
|
|
|
|
|
Does not support interrupts but is otherwise fully functional.
|
2007-03-09 20:17:40 +01:00
|
|
|
</p>
|
2007-03-15 04:00:29 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2007-03-15 04:00:29 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
2007-03-16 23:24:52 +01:00
|
|
|
<b>ARM7TDMI</b>.
|
2007-03-15 04:00:29 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
2007-03-09 20:17:40 +01:00
|
|
|
<p>
|
2008-01-04 14:11:45 +01:00
|
|
|
<b>TI TMS320C5471</b> (also called <b>C5471</b> or <b>TMS320DA180</b> or <b>DA180</b>).
|
2007-03-09 20:17:40 +01:00
|
|
|
NuttX operates on the ARM7 of this dual core processor.
|
|
|
|
|
This port uses the <a href="http://www.spectrumdigital.com/">Spectrum Digital</a>
|
2008-01-04 14:11:45 +01:00
|
|
|
evaluation board with a GNU arm-elf toolchain* under Linux or Cygwin.
|
2007-03-09 20:17:40 +01:00
|
|
|
</p>
|
|
|
|
|
<p>
|
2007-03-16 23:24:52 +01:00
|
|
|
<b>STATUS:</b>
|
|
|
|
|
This port is complete, verified, and included in the initial NuttX release.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
2008-11-06 23:27:40 +01:00
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td><hr></td>
|
|
|
|
|
</tr>
|
2007-04-29 23:50:53 +02:00
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<b>NXP LPC214x</b>.
|
|
|
|
|
Support is provided for the NXP LPC214x family of processors. In particular,
|
|
|
|
|
support is provided for the mcu123.com lpc214x evaluation board (LPC2148).
|
2008-09-20 18:24:43 +02:00
|
|
|
This port also used the GNU arm-elf toolchain* under Linux or Cygwin.
|
2007-04-29 23:50:53 +02:00
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STATUS:</b>
|
2008-11-07 01:28:42 +01:00
|
|
|
This port boots and passes the OS test (examples/ostest).
|
|
|
|
|
The port is complete and verifed. As of NuttX 0.3.17, the port includes:
|
|
|
|
|
timer interrupts, serial console, USB driver, and SPI-based MMC/SD card
|
|
|
|
|
support. A verifed NuttShell (NSH) configuration is also available.
|
2007-04-29 23:50:53 +02:00
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
2008-11-06 23:27:40 +01:00
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td><hr></td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STMicro STR71x</b>.
|
|
|
|
|
Support is provided for the STMicro STR71x family of processors. In particular,
|
|
|
|
|
support is provided for the Olimex STR-P711 evaluation board.
|
|
|
|
|
This port also used the GNU arm-elf toolchain* under Linux or Cygwin.
|
|
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STATUS:</b>
|
|
|
|
|
Coding is complete on the basic port (boot logic, system time, serial console),
|
|
|
|
|
but no testing has been performed due to some problems I am having with my
|
|
|
|
|
JTAG wiggler and OpenOCD on Linux.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
2007-03-16 23:24:52 +01:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2007-03-16 23:24:52 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
2007-11-06 20:58:14 +01:00
|
|
|
<b>ARM926EJS</b>.
|
2007-03-16 23:24:52 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<b>TI TMS320DM320</b> (also called <b>DM320</b>).
|
|
|
|
|
NuttX operates on the ARM9 of this dual core processor.
|
|
|
|
|
This port uses the
|
|
|
|
|
<a href="http://wiki.neurostechnology.com/index.php/Developer_Welcome">Neuros OSD</a>
|
2008-01-04 14:11:45 +01:00
|
|
|
with a GNU arm-elf toolchain* under Linux or Cygwin.
|
2007-03-16 23:24:52 +01:00
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STATUS:</b>
|
2008-10-11 21:42:01 +02:00
|
|
|
The basic port (timer interrupts, serial ports, network, etc.) is complete.
|
2008-10-10 20:14:24 +02:00
|
|
|
All implemented features have been verified with the exception of the USB device-side
|
|
|
|
|
driver; that implementation is complete but completely untested.
|
2007-03-09 20:17:40 +01:00
|
|
|
</p>
|
2007-03-15 04:00:29 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2007-03-15 04:00:29 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>8052 Microcontroller</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
2007-03-09 20:17:40 +01:00
|
|
|
<p>
|
2007-03-16 23:24:52 +01:00
|
|
|
<b>PJRC 87C52 Development Board</b>.
|
2007-03-09 20:17:40 +01:00
|
|
|
This port uses the <a href="http://www.pjrc.com/">PJRC</a> 87C52 development system
|
2008-01-04 14:11:45 +01:00
|
|
|
and the <a href="http://sdcc.sourceforge.net/">SDCC</a> toolchain under Linux or Cygwin.
|
2007-03-09 20:17:40 +01:00
|
|
|
</p>
|
|
|
|
|
<p>
|
2007-03-16 23:24:52 +01:00
|
|
|
<b>STATUS:</b>
|
|
|
|
|
This port is complete but not stable with timer interrupts enabled.
|
2007-03-14 19:58:21 +01:00
|
|
|
There seems to be some issue when the stack pointer enters into the indirect IRAM
|
|
|
|
|
address space during interrupt handling.
|
2007-05-27 20:08:18 +02:00
|
|
|
This architecture has not been built in some time will likely have some compilation
|
|
|
|
|
problems because of SDCC compiler differences.
|
2007-03-09 20:17:40 +01:00
|
|
|
</p>
|
2007-03-15 04:00:29 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
2008-11-06 23:27:40 +01:00
|
|
|
<tr>
|
|
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
|
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Renesas/Hitachi SuperH</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<b>SH-1 SH7032</b>.
|
|
|
|
|
This port uses the Hitachi SH-1 Low-Cost Evaluation Board (SH1_LCEVB1), US7032EVB,
|
|
|
|
|
with a GNU arm-elf toolchain* under Linux or Cygwin.
|
|
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STATUS:</b>
|
|
|
|
|
This port is in progress and should be available in the next release of NuttX.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
2007-12-31 01:50:09 +01:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2007-12-31 01:50:09 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
2008-01-08 00:13:12 +01:00
|
|
|
<b>Zilog Z16F</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<b>Zilog z16f Microncontroller</b>.
|
|
|
|
|
This port use the Zilog z16f2800100zcog development kit and the Zilog
|
|
|
|
|
ZDS-II Windows command line tools.
|
2008-01-08 23:19:32 +01:00
|
|
|
The development environment is Cygwin under WinXP.
|
2008-01-08 00:13:12 +01:00
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STATUS:</b>
|
2008-02-11 18:11:20 +01:00
|
|
|
The initial release of support for the z16f was made available in NuttX version 0.3.7.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
2008-03-15 21:04:06 +01:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-03-15 21:04:06 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
2008-11-07 01:28:42 +01:00
|
|
|
<b>Zilog eZ80 Acclaim!</b>
|
2008-03-15 21:04:06 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<b>Zilog eZ80Acclaim! Microncontroller</b>.
|
|
|
|
|
This port uses the ZiLOG ez80f0910200kitg development kit, eZ80F091 part
|
|
|
|
|
and the Zilog ZDS-II Windows command line tools.
|
|
|
|
|
The development environment is Cygwin under WinXP.
|
|
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STATUS:</b>
|
|
|
|
|
This is a work in progress. Verified ez80 support will be announced in a future NuttX release.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
2008-02-11 18:11:20 +01:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-02-11 18:11:20 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Zilog Z8Encore!</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<b>Zilog Z8Encore! Microncontroller</b>.
|
2008-03-11 00:37:56 +01:00
|
|
|
This port uses the either:
|
|
|
|
|
</p>
|
|
|
|
|
<ul>
|
|
|
|
|
<li>Zilog z8encore000zco development kit, Z8F6403 part, or</li>
|
|
|
|
|
<li>Zilog z8f64200100kit development kit, Z8F6423 part</li>
|
|
|
|
|
</ul>
|
|
|
|
|
<p>
|
|
|
|
|
and the Zilog ZDS-II Windows command line tools.
|
2008-02-11 18:11:20 +01:00
|
|
|
The development environment is Cygwin under WinXP.
|
|
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STATUS:</b>
|
2008-03-15 21:04:06 +01:00
|
|
|
This release has been verified only on the ZiLOG ZDS-II Z8Encore! chip simulation
|
|
|
|
|
as of nuttx-0.3.9.
|
2008-01-08 00:13:12 +01:00
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-01-08 00:13:12 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Zilog Z80</b>
|
2007-12-31 01:50:09 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
<b>Z80 Instruction Set Simulator</b>.
|
|
|
|
|
This port uses the <a href="http://sdcc.sourceforge.net/">SDCC</a> toolchain
|
2008-01-08 00:13:12 +01:00
|
|
|
under Linux or Cygwin (verified using version 2.6.0).
|
2007-12-31 01:50:09 +01:00
|
|
|
This port has been verified using only a Z80 instruction simulator.
|
|
|
|
|
That simulator can be found in the NuttX CVS
|
|
|
|
|
<a href="http://nuttx.cvs.sourceforge.net/nuttx/misc/sims/z80sim/">here</a>.
|
|
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
<b>STATUS:</b>
|
2008-01-08 23:19:32 +01:00
|
|
|
This port is complete and stable to the extent that it can be tested
|
2007-12-31 01:50:09 +01:00
|
|
|
using an instruction set simulator.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
2007-03-15 04:00:29 +01:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2007-03-15 04:00:29 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Other ports</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
2007-03-09 20:17:40 +01:00
|
|
|
<p>
|
|
|
|
|
There are partial ports for the TI TMS320DM270 and for MIPS.
|
|
|
|
|
</p>
|
2007-03-15 04:00:29 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table></center>
|
2007-02-28 02:16:49 +01:00
|
|
|
|
|
|
|
|
<blockquote>* A highly modified <a href="http://buildroot.uclibc.org/">buildroot</a>
|
2008-11-06 23:27:40 +01:00
|
|
|
is available that may be used to build a NuttX-compatible ELF toolchain under
|
|
|
|
|
Linux or Cygwin. Configurations are available in that buildroot to support ARM,
|
|
|
|
|
m68k, m68hc11, m68hc12, and SuperH ports.</blockquote>
|
2007-02-28 02:16:49 +01:00
|
|
|
|
2008-01-08 23:11:00 +01:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="environments"><h1>Development Environments</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<center><table width="90%">
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-01-08 23:11:00 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Linux + GNU make + GCC/binutils</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
The is the most natural development environment for NuttX.
|
|
|
|
|
Any version of the GCC/binutils toolchain may be used.
|
|
|
|
|
There is a highly modified <a href="http://buildroot.uclibc.org/">buildroot</a>
|
|
|
|
|
available for download from the
|
|
|
|
|
<a href="http://sourceforge.net/project/showfiles.php?group_id=189573">NuttX SourceForge</a>
|
|
|
|
|
page.
|
2008-11-06 23:27:40 +01:00
|
|
|
This download may be used to build a NuttX-compatible ELF toolchain under Linux or Cygwin.
|
|
|
|
|
That toolchain will support ARM, m68k, m68hc11, m68hc12, and SuperH ports.
|
|
|
|
|
The buildroot CVS may be accessed in the
|
2008-01-08 23:11:00 +01:00
|
|
|
<a href="http://nuttx.cvs.sourceforge.net/nuttx/misc/buildroot/">NuttX CVS</a>.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-01-08 23:11:00 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Linux + GNU make + SDCC</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
Also very usable is the Linux environment using the
|
|
|
|
|
<a href="http://sdcc.sourceforge.net/">SDCC</a> compiler.
|
|
|
|
|
The SDCC compiler provides support for the 8051/2, z80, hc08, and other microcontrollers.
|
|
|
|
|
The SDCC-based logic is less well exercised and you will likely find some compilation
|
|
|
|
|
issues if you use parts of NuttX with SDCC that have not been well-tested.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-01-08 23:11:00 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Cygwin + GNU make + GCC/binutils</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
This combination works well too.
|
|
|
|
|
It works just as well as the native Linux environment except
|
|
|
|
|
that compilation and build times are a little longer.
|
|
|
|
|
The custom NuttX buildroot referenced above may be build in
|
|
|
|
|
the Cygwin environment as well.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-01-08 23:11:00 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Cygwin + GNU make + SDCC</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
I have never tried this combination, but it would probably work just fine.
|
|
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-01-08 23:11:00 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Cygwin + GNU make + Windows Native Toolchain</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
|
|
|
|
This is a tougher environment.
|
|
|
|
|
In this case, the Windows native toolchain is unaware of the the
|
|
|
|
|
Cygwin <i>sandbox</i> and, instead, operates in the native Windows environment.
|
|
|
|
|
The primary difficulties with this are:
|
|
|
|
|
</p>
|
|
|
|
|
<ul>
|
|
|
|
|
<li>
|
2008-01-08 23:19:32 +01:00
|
|
|
<b>Paths</b>.
|
|
|
|
|
Full paths for the native toolchain must follow Windows standards.
|
2008-01-08 23:11:00 +01:00
|
|
|
For example, the path <code>/home/my\ name/nuttx/include</code> my have to be
|
|
|
|
|
converted to something like <code>'C:\cygwin\home\my name\nuttx\include'</code>
|
|
|
|
|
to be usable by the toolchain.
|
|
|
|
|
</li>
|
|
|
|
|
<p>
|
|
|
|
|
Fortunately, this conversion is done simply using the <code>cygpath</code> utility.
|
|
|
|
|
</p>
|
|
|
|
|
<li>
|
|
|
|
|
<b>Symbolic Links</b>
|
|
|
|
|
NuttX depends on symbolic links to install platform-specific directories in the build system.
|
|
|
|
|
On Linux, true symbolic links are used.
|
|
|
|
|
On Cygwin, emulated symbolic links are used.
|
|
|
|
|
Unfortunately, for native Windows applications that operate outside of the
|
|
|
|
|
Cygwin <i>sandbox</i>, these symbolic links cannot be used.
|
|
|
|
|
</li>
|
|
|
|
|
<p>
|
|
|
|
|
The NuttX make system works around this limitation by copying the platform
|
|
|
|
|
specific directories in place.
|
|
|
|
|
These copied directories make work a little more complex, but otherwise work well.
|
|
|
|
|
</p>
|
|
|
|
|
</ul>
|
|
|
|
|
<p>
|
|
|
|
|
At present, on the Zilog Z16F port uses a native Windows toolchain
|
|
|
|
|
(the Zilog ZDS-II toolchain).
|
|
|
|
|
</p.
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top"><img height="20" width="20" src="favicon.ico"></td>
|
2008-01-08 23:11:00 +01:00
|
|
|
<td bgcolor="#5eaee1">
|
2008-11-06 23:27:40 +01:00
|
|
|
<b>Other Environments?</b>
|
2008-01-08 23:11:00 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
|
|
|
|
<p>
|
2008-01-09 23:53:52 +01:00
|
|
|
The primary environmental dependency of NuttX are (1) GNU make,
|
|
|
|
|
(2) bash scripting, and (3) Linux utilities (such as sed).
|
2008-01-08 23:11:00 +01:00
|
|
|
If you have other platforms that support GNU make or make
|
|
|
|
|
utilities that are compatible with GNU make, then it is very
|
2008-01-09 23:53:52 +01:00
|
|
|
likely that NuttX would work in that environment as well (with some
|
|
|
|
|
porting effort). If GNU make is not supported, then some significant
|
|
|
|
|
modification of the Make system would be required.
|
2008-01-08 23:11:00 +01:00
|
|
|
</p>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table></center>
|
|
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="footprint"><h1>Memory Footprint</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-02-28 02:16:49 +01:00
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<ul>
|
2007-11-06 20:58:14 +01:00
|
|
|
<p><b>C5471 (ARM7)</b>
|
2007-03-09 18:22:55 +01:00
|
|
|
The build for this ARM7 target that includes most of the OS features and
|
|
|
|
|
a broad range of OS tests. The size of this executable as given by the
|
2007-03-14 00:03:12 +01:00
|
|
|
Linux <tt>size</tt> command is (3/9/07):
|
2007-03-01 22:05:55 +01:00
|
|
|
</p>
|
2007-03-09 18:22:55 +01:00
|
|
|
<pre>
|
|
|
|
|
text data bss dec hex filename
|
|
|
|
|
53272 428 3568 57268 dfb4 nuttx
|
|
|
|
|
</pre>
|
2007-11-06 20:58:14 +01:00
|
|
|
<p><b>DM320 (ARM9)</b>
|
2007-11-22 00:29:14 +01:00
|
|
|
This build for the ARM9 target includes a significant subset of OS
|
|
|
|
|
features, a filesystem, Ethernet driver, full TCP/IP, UDP and (minimal)
|
|
|
|
|
ICMP stacks (via uIP) and a small network test application: (11/8/07,
|
|
|
|
|
configuration netconfig, examples/nettest)
|
2007-11-06 20:58:14 +01:00
|
|
|
</p>
|
|
|
|
|
<pre>
|
|
|
|
|
text data bss dec hex filename
|
2007-11-08 18:12:12 +01:00
|
|
|
49472 296 3972 53740 d1ec nuttx
|
2007-11-06 20:58:14 +01:00
|
|
|
</pre>
|
2007-11-22 00:29:14 +01:00
|
|
|
<p>
|
|
|
|
|
Another build for the ARM9 target includes a minimal OS feature
|
|
|
|
|
set, Ethernet driver, full TCP/IP and (minimal) ICMP stacks, and
|
|
|
|
|
a small webserver: (11/20/07, configuration uipconfig, examples/uip)
|
|
|
|
|
</p>
|
|
|
|
|
<pre>
|
|
|
|
|
text data bss dec hex filename
|
|
|
|
|
52040 72 4148 56260 dbc4 nuttx
|
|
|
|
|
</pre>
|
2007-03-09 18:22:55 +01:00
|
|
|
<p><b>87C52</b>
|
2007-03-14 19:58:21 +01:00
|
|
|
A reduced functionality OS test for the 8052 target requires only
|
|
|
|
|
about 18-19Kb:
|
2007-03-01 22:05:55 +01:00
|
|
|
</p>
|
2007-03-14 19:58:21 +01:00
|
|
|
<pre>
|
|
|
|
|
Stack starts at: 0x21 (sp set to 0x20) with 223 bytes available.
|
|
|
|
|
|
|
|
|
|
Other memory:
|
|
|
|
|
Name Start End Size Max
|
|
|
|
|
---------------- -------- -------- -------- --------
|
|
|
|
|
PAGED EXT. RAM 0 256
|
|
|
|
|
EXTERNAL RAM 0x0100 0x02fd 510 7936
|
|
|
|
|
ROM/EPROM/FLASH 0x2100 0x6e55 19798 24384
|
|
|
|
|
</pre>
|
2007-03-15 04:00:29 +01:00
|
|
|
</ul>
|
2007-02-28 02:16:49 +01:00
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="licensing"><h1>Licensing</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-02-28 02:16:49 +01:00
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<ul>
|
|
|
|
|
<p>
|
|
|
|
|
NuttX is available under the highly permissive
|
2007-02-28 02:16:49 +01:00
|
|
|
<a href="http://en.wikipedia.org/wiki/BSD_license">BSD license</a>.
|
2007-03-09 20:17:40 +01:00
|
|
|
Other than some fine print that you agree to respect the copyright
|
2007-02-28 02:16:49 +01:00
|
|
|
you should feel absolutely free to use NuttX in any environment and
|
|
|
|
|
without any concern for jeopardizing any proprietary software that
|
2007-03-15 04:00:29 +01:00
|
|
|
you may link with it.
|
|
|
|
|
</p>
|
|
|
|
|
</ul>
|
2007-02-22 02:50:30 +01:00
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="history"><h1>Release History</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-03-14 19:58:21 +01:00
|
|
|
|
2007-12-13 17:52:37 +01:00
|
|
|
<ul>
|
|
|
|
|
<p>
|
|
|
|
|
The current NuttX Change Log is available in CVS <a href="http://nuttx.cvs.sourceforge.net/*checkout*/nuttx/nuttx/ChangeLog">here</a>.
|
|
|
|
|
ChangeLog snapshots associated with the current release are available below.
|
|
|
|
|
</p>
|
|
|
|
|
</ul>
|
|
|
|
|
|
2007-05-21 19:17:42 +02:00
|
|
|
<center><table width ="80%">
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-05-21 19:17:42 +02:00
|
|
|
<td>
|
2008-02-03 15:03:34 +01:00
|
|
|
<a href="ChangeLog.txt">Change Logs for All NuttX Releases</a><br>
|
2007-05-21 19:17:42 +02:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-05-21 19:17:42 +02:00
|
|
|
<td>
|
2008-02-03 15:03:34 +01:00
|
|
|
<a href="#currentrelease">ChangeLog for Current Releases</a><br>
|
2007-05-21 19:17:42 +02:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-05-21 19:17:42 +02:00
|
|
|
<td>
|
|
|
|
|
<a href="#pendingchanges">Unreleased Changes</a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table></center>
|
|
|
|
|
|
2007-11-28 19:31:33 +01:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
2007-12-10 18:15:11 +01:00
|
|
|
<a name="currentrelease">ChangeLog for Current Release</a>
|
2007-11-28 19:31:33 +01:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<pre><ul>
|
2008-10-28 18:40:11 +01:00
|
|
|
nuttx-0.3.17 2008-10-28 Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
|
|
|
* Incorporate patch "[2164503] nuttx-0.3.16 does not build for ARM with USB disabled"
|
|
|
|
|
* Reduced the amount of memory reserved for USB serial control requests. It
|
|
|
|
|
was unnecessarily large.
|
|
|
|
|
* Added LPC214x SPI1 driver to interface with MMC on mcu123.com board.
|
|
|
|
|
* Added a simple SPI-based MMC/SD block driver
|
|
|
|
|
* NSH: Add LPC214x-specific support to NSH; NSH now mounts any SD cards in the slot.
|
|
|
|
|
* FAT: Fix access to unaligned 32-bit values in partion table (start sector & size)
|
|
|
|
|
* Fixed a problem with a un-initialized variable in the USB serial driver.
|
|
|
|
|
* Added USB storage NXP LPC214x configuration
|
|
|
|
|
* Added a test for USB storage under examples/usbstorage
|
|
|
|
|
* Fixed a bug in the LPC214x USB driver: It was not properly clearing a HALTed
|
|
|
|
|
endpoints (other than EP) on receipt of CLEAR FEATURES request.
|
|
|
|
|
* Added USB storage class device side driver (BBB)
|
|
|
|
|
* Fixed a bug in the LPC214x USB driver: It was not properly handling request buffers
|
|
|
|
|
larger then the endpoint's max packet (DM320 driver also fixed, untested)
|
|
|
|
|
* Added logic to the USB device interface: A bit is needed to force the driver to
|
|
|
|
|
to terminate an IN transfer with a short packet (zero-length if necessary).
|
|
|
|
|
* Fix an error in the NXP LPC214x USB device driver that was causing corruption of
|
|
|
|
|
the request queue (M320 driver also fixed, untested)
|
|
|
|
|
* Correct another error in the NXP LPC214x USB device driver that caused read failures
|
|
|
|
|
when the request buffer size was larger than maxpacket.
|
|
|
|
|
* Numerous corrections/extensions to the USB tracing logic included in 0.3.16 (but
|
|
|
|
|
not integrated until 0.3.17)
|
|
|
|
|
* Fixed another bug in the NXP LPC214x USB device driver: After a stalled endpoint
|
|
|
|
|
is resumed (view CLEAR FEATURE), we must restart the IN (outgoing) queue.
|
2008-10-10 20:14:24 +02:00
|
|
|
|
|
|
|
|
pascal-0.1.2 2008-02-10 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2008-09-08 21:14:25 +02:00
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* Add logic to build and link with the ZDS-II toolchain
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use with the z16f.
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* Make sure that POFF header structures are aligned
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* Standardized POFF file format to big-endian
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* Break up large switch statements to lower complexity
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and eliminate a compiler bug
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* Changes so that runtime compiles with SDCC.
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2008-11-06 23:27:40 +01:00
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buildroot-0.1.2 2007-11-06 <spudmonkey@racsa.co.cr>
|
2008-09-08 21:14:25 +02:00
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2008-11-06 23:27:40 +01:00
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* Support for m68k-elf and m68hc11 toolchain
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* Add patch to build older binutils with newer Texinfo version
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* Add support for SH-1 toolchain
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2008-09-08 21:14:25 +02:00
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</pre></ul>
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<table width ="100%">
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<tr bgcolor="#e4e4e4">
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<td>
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<a name="pendingchanges">Unreleased Changes</a>
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</td>
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</tr>
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</table>
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<pre><ul>
|
2008-10-28 18:40:11 +01:00
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nuttx-0.3.18 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
|
2008-11-01 18:02:36 +01:00
|
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* Added port for the STMicro STR71x processor and configuration for the Olimex STR-P711
|
2008-11-05 16:27:02 +01:00
|
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board (STR71x testing is stalled because I have been unable to get OpenOCD to
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communicate with my JTAG wiggler on Linux).
|
2008-11-02 23:34:35 +01:00
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* Fix race condition workaround delay in LPC214X SPI logic. It the cause of the very
|
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bad MMC/SD performance.
|
2008-11-05 23:16:22 +01:00
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* Began port of the Hitachi SH-1 using the SH-1/US7032EVB1 board (this is a work in progress)
|
2008-11-07 21:56:35 +01:00
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* Re-built all configurations that use SDCC and Zilog toolchains to make sure they still
|
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build (they didn't, but they do now).
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* Fixed several erroneous "list empty" checks in the CAN driver.
|
2008-09-08 21:14:25 +02:00
|
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|
2008-02-10 15:08:11 +01:00
|
|
|
pascal-0.1.3 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
|
2008-02-03 15:03:34 +01:00
|
|
|
|
2008-11-06 23:27:40 +01:00
|
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buildroot-0.1.3 2008-xx-xx <spudmonkey@racsa.co.cr>
|
2008-11-06 18:37:16 +01:00
|
|
|
|
2007-11-28 19:31:33 +01:00
|
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</pre></ul>
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|
2007-12-13 17:52:37 +01:00
|
|
|
<table width ="100%">
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|
|
<tr bgcolor="#e4e4e4">
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<td>
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|
<a name="TODO"><h1>Bugs, Issues, <i>Things-To-Do</i></h1></a>
|
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|
</td>
|
|
|
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</tr>
|
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</table>
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|
<ul>
|
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<p>
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|
The current list of NuttX <i>Things-To-Do</i> in CVS <a href="http://nuttx.cvs.sourceforge.net/*checkout*/nuttx/nuttx/TODO">here</a>.
|
|
|
|
|
A snapshot of the <i>To-Do</i> list associated with the current release are available <a href="TODO.txt">here</a>.
|
|
|
|
|
</p>
|
|
|
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|
</ul>
|
2007-03-15 04:00:29 +01:00
|
|
|
<table width ="100%">
|
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|
|
<tr bgcolor="#e4e4e4">
|
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<td>
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|
|
|
<a name="documentation"><h1>Other Documentation</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-02-22 02:50:30 +01:00
|
|
|
|
2007-03-15 04:00:29 +01:00
|
|
|
<ul><table>
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-12-10 18:41:40 +01:00
|
|
|
<td><a href="NuttxUserGuide.html">User Guide</a></td>
|
2007-03-15 04:00:29 +01:00
|
|
|
</tr>
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-12-10 18:41:40 +01:00
|
|
|
<td><a href="NuttxPortingGuide.html">Porting Guide</a></td>
|
2007-03-15 04:00:29 +01:00
|
|
|
</tr>
|
2008-09-04 02:04:52 +02:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2008-09-04 02:04:52 +02:00
|
|
|
<td><a href="NuttShell.html">NuttShell (NSH)</a></td>
|
|
|
|
|
</tr>
|
2007-12-13 17:52:37 +01:00
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-12-13 17:52:37 +01:00
|
|
|
<td><a href="ChangeLog.txt">Change Log</a></td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
2008-09-04 17:50:30 +02:00
|
|
|
<td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
|
2007-12-13 17:52:37 +01:00
|
|
|
<td><a href="TODO.txt">To-Do List</a></td>
|
|
|
|
|
</tr>
|
2007-03-15 04:00:29 +01:00
|
|
|
</center></ul>
|
2007-02-22 02:50:30 +01:00
|
|
|
|
2007-12-05 02:02:45 +01:00
|
|
|
<small>
|
|
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="trademarks"><h1>Trademarks</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
|
|
|
|
<ul>
|
2007-12-31 16:45:58 +01:00
|
|
|
<li>ARM, ARM7 ARM7TDMI, ARM9, ARM926EJS are trademarks of Advanced RISC Machines, Limited.</li>
|
|
|
|
|
<li>Cygwin is a trademark of Red Hat, Incorporated.</li>
|
|
|
|
|
<li>Linux is a registered trademark of Linus Torvalds.</li>
|
|
|
|
|
<li>LPC2148 is a trademark of NXP Semiconductors.</li>
|
|
|
|
|
<li>TI is a tradename of Texas Instruments Incorporated.</li>
|
|
|
|
|
<li>UNIX is a registered trademark of The Open Group.</li>
|
|
|
|
|
<li>VxWorks is a registered trademark of Wind River Systems, Incorporated.</li>
|
2008-01-08 00:13:12 +01:00
|
|
|
<li>ZDS, ZNEO, Z16F, Z80, and Zilog are a registered trademark of Zilog, Inc.</li>
|
2007-12-05 02:02:45 +01:00
|
|
|
</ul>
|
|
|
|
|
<p>
|
2007-12-05 02:27:17 +01:00
|
|
|
NOTE: NuttX is <i>not</i> licensed to use the POSIX trademark. NuttX uses the POSIX
|
|
|
|
|
standard as a development guideline only.
|
2007-12-05 02:02:45 +01:00
|
|
|
</p>
|
|
|
|
|
</small>
|
|
|
|
|
|
2007-02-22 02:50:30 +01:00
|
|
|
</body>
|
|
|
|
|
</html>
|
|
|
|
|
|
