2007-02-22 01:50:30 +00:00
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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 03:00:29 +00:00
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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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2007-11-20 21:55:06 +00:00
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<p>Last Updated: November 20, 2007</p>
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2007-03-15 03:00:29 +00:00
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<hr><hr>
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<table width ="100%">
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<td>
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2007-03-14 18:58:21 +00:00
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<h1>Table of Contents</h1>
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2007-03-15 03:00:29 +00:00
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<center><table width ="80%">
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<table>
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<td><img src="favicon.ico"></td>
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<td><a href="#overview">Overview</a></td>
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<tr>
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<td><img src="favicon.ico"></td>
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<td><a href="#downloads">Downloads</a></td>
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</tr>
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<td><img src="favicon.ico"></td>
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<td><a href="#platforms">Supported Platforms</a></td>
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<td><img src="favicon.ico"></td>
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<td><a href="#footprint">Memory Footprint</a></td>
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</tr>
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<tr>
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<td><img src="favicon.ico"></td>
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<td><a href="#licensing">Licensing</a></td>
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<tr>
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<td><img src="favicon.ico"></td>
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<td><a href="#history">Release History</a></td>
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<td><img src="favicon.ico"></td>
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<td><a href="#documentation">Other Documentation</a></td>
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</table>
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</td>
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</td>
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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 01:50:30 +00:00
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<p>
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2007-03-09 19:17:40 +00:00
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<b>Goals</b>.
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2007-02-22 01:50:30 +00:00
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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 03:00:29 +00:00
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<center><table width="90%">
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<tr>
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<td valign="top"><img src="favicon.ico"></td>
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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 19:17:40 +00:00
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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 03:00:29 +00:00
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</tr>
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<tr>
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<td valign="top"><img src="favicon.ico"></td>
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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 19:17:40 +00:00
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<p>
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The goal is to provide most standard POSIX OS interfaces to support
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2007-05-09 00:06:22 +00:00
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a rich, multi-threaded development environment for deeply embedded
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processors.
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2007-03-09 19:17:40 +00:00
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</p>
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2007-05-09 00:06:22 +00:00
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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 19:17:40 +00:00
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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 03:00:29 +00:00
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</tr>
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<td valign="top"><img src="favicon.ico"></td>
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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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<td><br></td>
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<td>
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2007-03-09 19:17:40 +00:00
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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 03:00:29 +00:00
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</tr>
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<tr>
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<td valign="top"><img src="favicon.ico"></td>
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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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<td>
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2007-03-09 19:17:40 +00:00
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<p>
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NuttX strives to achieve a high degree of standards compliance.
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The primary governing standards are POSIX and ANSI standards.
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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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or for functionaly that is not appropriate for the deeply-embedded
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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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2007-03-15 03:00:29 +00:00
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</tr>
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<tr>
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<td valign="top"><img 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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</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 19:17:40 +00:00
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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 03:00:29 +00:00
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</tr>
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<tr>
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<td valign="top"><img 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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</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 19:17:40 +00:00
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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 03:00:29 +00:00
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</tr>
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</table></center>
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2007-02-22 01:50:30 +00:00
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2007-03-15 03:00:29 +00:00
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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="downloads"><h1>Downloads</h1></a>
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</td>
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</tr>
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</table>
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2007-03-09 19:17:40 +00:00
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<p>
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2007-11-20 01:26:34 +00:00
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The 13th release of NuttX (nuttx-0.3.0) is available for download
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2007-03-09 19:17:40 +00:00
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from the <a href="http://sourceforge.net/project/showfiles.php?group_id=189573">SourceForge</a>
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website.
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2007-05-21 17:17:42 +00:00
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The change log associated with the release is available <a href="#currentrelease">here</a>.
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Unreleased changes after this release are avalable in CVS.
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These unreleased changes are listed <a href="#pendingchanges">here</a>.
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2007-03-09 19:17:40 +00:00
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</p>
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2007-11-06 19:58:14 +00:00
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<p>
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2007-11-20 01:26:34 +00:00
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NuttX 0.3.1 is the second release containing the integration of a network
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subsystem and the uIP TCP/IP, UDP, and ICMP stacks based on
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<a href="http://www.sics.se/~adam/uip/index.php/Main_Page">uIP</a>
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into NuttX.
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2007-11-06 19:58:14 +00:00
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</p>
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2007-11-20 01:26:34 +00:00
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<p>
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Many network-related problems have been fixed from version 0.3.0
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and the implementation has matured significantly.
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However, the level of network reliability is probably still at the
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pre-alpha or early level.
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It is sufficiently complete that you may begin to perform some network
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integration and is exepcted to achieve beta level of reliability over
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the next few releases.
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2007-11-06 19:58:14 +00:00
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</p>
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<p>
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The baseline functionality of NuttX continues to mature and remains at
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post-beta (as long as the network is not used).
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</p>
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2007-03-09 19:17:40 +00:00
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2007-03-15 03:00:29 +00:00
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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="platforms"><h1>Supported Platforms</h1></a>
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</td>
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</tr>
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</table>
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2007-02-22 01:50:30 +00:00
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2007-03-15 03:00:29 +00:00
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<center><table width="90%">
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<tr>
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<td valign="top"><img src="favicon.ico"></td>
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<td bgcolor="#5eaee1">
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<b>Linux User Mode</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 19:17:40 +00:00
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<p>
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A user-mode port of NuttX to the x86 Linux platform is available.
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The purpose of this port is primarily to support OS feature developement.
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</p>
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<p>
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2007-03-16 22:24:52 +00:00
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<b>STATUS:</b>
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Does not support interrupts but is otherwise fully functional.
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2007-03-09 19:17:40 +00:00
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</p>
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2007-03-15 03:00:29 +00:00
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</td>
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</tr>
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<tr>
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<td valign="top"><img src="favicon.ico"></td>
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<td bgcolor="#5eaee1">
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2007-03-16 22:24:52 +00:00
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<b>ARM7TDMI</b>.
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2007-03-15 03:00:29 +00:00
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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 19:17:40 +00:00
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<p>
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2007-03-16 22:24:52 +00:00
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<b>TI TMS320C5471</b> (also called a <b>C5471</b> or <b>TMS320DM180</b>).
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2007-03-09 19:17:40 +00:00
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NuttX operates on the ARM7 of this dual core processor.
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This port uses the <a href="http://www.spectrumdigital.com/">Spectrum Digital</a>
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evaluation board with a GNU arm-elf toolchain*.
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</p>
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<p>
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2007-03-16 22:24:52 +00:00
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<b>STATUS:</b>
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This port is complete, verified, and included in the initial NuttX release.
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</p>
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</td>
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</tr>
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2007-04-29 21:50:53 +00:00
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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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<b>NXP LPC214x</b>.
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Support is provided for the NXP LPC214x family of processors. In particular,
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support is provided for the mcu123.com lpc214x evaluation board (LPC2148).
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This port also used the GNU arm-eld toolchain*.
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</p>
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<p>
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<b>STATUS:</b>
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2007-11-06 19:58:14 +00:00
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Initial coding of this port code complete but has not yet been verified.
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2007-04-29 21:50:53 +00:00
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</p>
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</td>
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</tr>
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2007-03-16 22:24:52 +00:00
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<tr>
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<td valign="top"><img src="favicon.ico"></td>
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<td bgcolor="#5eaee1">
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2007-11-06 19:58:14 +00:00
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<b>ARM926EJS</b>.
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2007-03-16 22:24:52 +00:00
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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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<p>
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<b>TI TMS320DM320</b> (also called <b>DM320</b>).
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NuttX operates on the ARM9 of this dual core processor.
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This port uses the
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<a href="http://wiki.neurostechnology.com/index.php/Developer_Welcome">Neuros OSD</a>
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with a GNU arm-elf toolchain*.
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</p>
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<p>
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<b>STATUS:</b>
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2007-11-06 19:58:14 +00:00
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This port is complete and verified.
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2007-03-09 19:17:40 +00:00
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</p>
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2007-03-15 03:00:29 +00:00
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</td>
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</tr>
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<tr>
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<td valign="top"><img src="favicon.ico"></td>
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<td bgcolor="#5eaee1">
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<b>8052 Microcontroller</b>
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|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
2007-03-09 19:17:40 +00:00
|
|
|
<p>
|
2007-03-16 22:24:52 +00:00
|
|
|
<b>PJRC 87C52 Development Board</b>.
|
2007-03-09 19:17:40 +00:00
|
|
|
This port uses the <a href="http://www.pjrc.com/">PJRC</a> 87C52 development system
|
|
|
|
|
and the <a href="http://sdcc.sourceforge.net/">SDCC</a> toolchain.
|
|
|
|
|
</p>
|
|
|
|
|
<p>
|
2007-03-16 22:24:52 +00:00
|
|
|
<b>STATUS:</b>
|
|
|
|
|
This port is complete but not stable with timer interrupts enabled.
|
2007-03-14 18:58:21 +00:00
|
|
|
There seems to be some issue when the stack pointer enters into the indirect IRAM
|
|
|
|
|
address space during interrupt handling.
|
2007-05-27 18:08:18 +00:00
|
|
|
This architecture has not been built in some time will likely have some compilation
|
|
|
|
|
problems because of SDCC compiler differences.
|
2007-03-09 19:17:40 +00:00
|
|
|
</p>
|
2007-03-15 03:00:29 +00:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td valign="top"><img src="favicon.ico"></td>
|
|
|
|
|
<td bgcolor="#5eaee1">
|
|
|
|
|
<b>Other ports</b>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><br></td>
|
|
|
|
|
<td>
|
2007-03-09 19:17:40 +00:00
|
|
|
<p>
|
|
|
|
|
There are partial ports for the TI TMS320DM270 and for MIPS.
|
|
|
|
|
</p>
|
2007-03-15 03:00:29 +00:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table></center>
|
2007-02-28 01:16:49 +00:00
|
|
|
|
|
|
|
|
<blockquote>* A highly modified <a href="http://buildroot.uclibc.org/">buildroot</a>
|
|
|
|
|
is available that be used to build a NuttX-compatible arm-elf toolchain.</blockquote>
|
|
|
|
|
|
2007-03-15 03:00:29 +00:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="footprint"><h1>Memory Footprint</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-02-28 01:16:49 +00:00
|
|
|
|
2007-03-15 03:00:29 +00:00
|
|
|
<ul>
|
2007-11-06 19:58:14 +00:00
|
|
|
<p><b>C5471 (ARM7)</b>
|
2007-03-09 17:22:55 +00:00
|
|
|
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
|
2007-03-13 23:03:12 +00:00
|
|
|
Linux <tt>size</tt> command is (3/9/07):
|
2007-03-01 21:05:55 +00:00
|
|
|
</p>
|
2007-03-09 17:22:55 +00:00
|
|
|
<pre>
|
|
|
|
|
text data bss dec hex filename
|
|
|
|
|
53272 428 3568 57268 dfb4 nuttx
|
|
|
|
|
</pre>
|
2007-11-06 19:58:14 +00:00
|
|
|
<p><b>DM320 (ARM9)</b>
|
2007-11-21 23:29:14 +00:00
|
|
|
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 19:58:14 +00:00
|
|
|
</p>
|
|
|
|
|
<pre>
|
|
|
|
|
text data bss dec hex filename
|
2007-11-08 17:12:12 +00:00
|
|
|
49472 296 3972 53740 d1ec nuttx
|
2007-11-06 19:58:14 +00:00
|
|
|
</pre>
|
2007-11-21 23:29:14 +00:00
|
|
|
<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 17:22:55 +00:00
|
|
|
<p><b>87C52</b>
|
2007-03-14 18:58:21 +00:00
|
|
|
A reduced functionality OS test for the 8052 target requires only
|
|
|
|
|
about 18-19Kb:
|
2007-03-01 21:05:55 +00:00
|
|
|
</p>
|
2007-03-14 18:58:21 +00:00
|
|
|
<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 03:00:29 +00:00
|
|
|
</ul>
|
2007-02-28 01:16:49 +00:00
|
|
|
|
2007-03-15 03:00:29 +00:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="licensing"><h1>Licensing</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-02-28 01:16:49 +00:00
|
|
|
|
2007-03-15 03:00:29 +00:00
|
|
|
<ul>
|
|
|
|
|
<p>
|
|
|
|
|
NuttX is available under the highly permissive
|
2007-02-28 01:16:49 +00:00
|
|
|
<a href="http://en.wikipedia.org/wiki/BSD_license">BSD license</a>.
|
2007-03-09 19:17:40 +00:00
|
|
|
Other than some fine print that you agree to respect the copyright
|
2007-02-28 01:16:49 +00:00
|
|
|
you should feel absolutely free to use NuttX in any environment and
|
|
|
|
|
without any concern for jeopardizing any proprietary software that
|
2007-03-15 03:00:29 +00:00
|
|
|
you may link with it.
|
|
|
|
|
</p>
|
|
|
|
|
</ul>
|
2007-02-22 01:50:30 +00:00
|
|
|
|
2007-03-15 03:00:29 +00:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="history"><h1>Release History</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-03-14 18:58:21 +00:00
|
|
|
|
2007-05-21 17:17:42 +00:00
|
|
|
<center><table width ="80%">
|
|
|
|
|
<tr>
|
|
|
|
|
<td><img src="favicon.ico"></td>
|
|
|
|
|
<td>
|
|
|
|
|
<a href="#olderreleases">Change Logs for Older Releases</a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><img src="favicon.ico"></td>
|
|
|
|
|
<td>
|
|
|
|
|
<a href="#currentrelease">ChangeLog for Current Release</a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><img src="favicon.ico"></td>
|
|
|
|
|
<td>
|
|
|
|
|
<a href="#pendingchanges">Unreleased Changes</a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table></center>
|
|
|
|
|
|
|
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
2007-05-26 23:56:25 +00:00
|
|
|
<a name="olderreleases">Change Logs for Older Releases</a>
|
2007-05-21 17:17:42 +00:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
|
|
|
|
|
2007-03-15 03:00:29 +00:00
|
|
|
<ul><pre>
|
2007-11-20 01:26:34 +00:00
|
|
|
0.1.0 2007-03-09 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-03-14 18:58:21 +00:00
|
|
|
|
|
|
|
|
* Initial Release
|
|
|
|
|
* Support for Linux user mode simulation and TI
|
|
|
|
|
TMS320C5471 (Arm7) provided
|
|
|
|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
0.1.1 2007-03-14 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-03-14 18:58:21 +00:00
|
|
|
|
|
|
|
|
* Corrected an error in interrupt level context switching
|
|
|
|
|
for C5471
|
|
|
|
|
* Added fgets() and gets() logic; verified c5471 console read.
|
|
|
|
|
* Corrected error in reading from the C5471 serial port:
|
|
|
|
|
Improper use of semaphore can cause deadlock.
|
|
|
|
|
* Fixed an error in the memory cleanup: The idle task
|
|
|
|
|
cannot take sempahores (because it must always be ready
|
|
|
|
|
to run).
|
|
|
|
|
* Tasks can now accept a configurable maximum number of
|
|
|
|
|
input parameters (argc)
|
|
|
|
|
* _task_init() was divided into separate functions that
|
|
|
|
|
require fewer parameters. This was necessary to keep
|
|
|
|
|
the stack usage down for the 8051/2 (which has only
|
|
|
|
|
256 bytes of stack).
|
|
|
|
|
* Attempts to use C5471 console from interrupt handlers
|
2007-03-19 16:37:46 +00:00
|
|
|
can cause errors. Added a special path for this case.
|
2007-03-14 18:58:21 +00:00
|
|
|
* Refuse calls to sem_wait and sem_trywait from interrupt
|
|
|
|
|
handlers. This was happening because interrupt handlers
|
|
|
|
|
were calling printf-like functions.
|
|
|
|
|
* Added strtok() and strtok_r()
|
|
|
|
|
* Added a simple shell called nsh (see examples/nsh).
|
|
|
|
|
* Platform support for 8052 is complete but not stable
|
|
|
|
|
when the timer interrupt is enabled. Seems to be an
|
|
|
|
|
issue when SP enters indirect address space.
|
|
|
|
|
* Documentation updates
|
2007-03-16 22:24:52 +00:00
|
|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
0.1.2 2007-03-19 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-03-16 22:24:52 +00:00
|
|
|
|
|
|
|
|
* Add dirent.h, opendir(), readdir(), closedir(), etc.
|
2007-03-17 16:18:49 +00:00
|
|
|
* Add strerror()
|
2007-03-16 22:24:52 +00:00
|
|
|
* Added 'ls' command to nsh
|
|
|
|
|
* Added C5471 watchdog driver
|
2007-03-19 16:37:46 +00:00
|
|
|
* Fixed another bug where free() is called from IDLE task.
|
2007-03-16 22:24:52 +00:00
|
|
|
Can't do this; the caller must be able to wait for access
|
|
|
|
|
to memory.
|
2007-03-19 16:37:46 +00:00
|
|
|
* Fixed bugs associated with debug output:
|
|
|
|
|
Cannot do dbg() in middle of context switch logic.
|
|
|
|
|
because it may require use of semaphores and cause
|
|
|
|
|
additional context switches. lldbg() is safe.
|
|
|
|
|
* Interrupt must be disabled throughout all context switches.
|
2007-03-16 22:24:52 +00:00
|
|
|
* Separated C5471 serial driver; a shareable part is
|
|
|
|
|
in drivers/. ; the C5471 specific part is in arch/C5471.
|
|
|
|
|
serial.h defines the interface.
|
2007-03-19 16:37:46 +00:00
|
|
|
* Fixed mq_receive() and mq_send() -- bad memcpy()
|
|
|
|
|
* Fixed C5471 signal deliver logic: use of dbg() and
|
|
|
|
|
other actions by use signal handler can alter errno.
|
|
|
|
|
need to protect errno during signal handling.
|
|
|
|
|
* Fixed uninitialized variable in filesystem that could
|
|
|
|
|
cause various problems
|
|
|
|
|
* Added a test for roundrobin scheduler.
|
2007-03-16 22:24:52 +00:00
|
|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
0.2.1 2007-03-22 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-03-16 22:24:52 +00:00
|
|
|
|
2007-03-21 17:23:10 +00:00
|
|
|
* Fix error in handing signed decimal in vsprintf().
|
|
|
|
|
* Major restructuring of header files to get closer to
|
|
|
|
|
POSIX compliance.
|
|
|
|
|
* Eliminate compilation warnings that that crept into
|
|
|
|
|
recent check-ins
|
|
|
|
|
* Add kill()
|
|
|
|
|
* Added support for POSIX timers
|
|
|
|
|
* Some Documentation updates
|
2007-03-19 16:37:46 +00:00
|
|
|
* Added support for the Neuros OSD / DM320
|
2007-03-21 17:23:10 +00:00
|
|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
0.2.2 2007-03-26 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-03-23 02:25:54 +00:00
|
|
|
* Created the configs/ directory; separated board configuration
|
|
|
|
|
from processor architecture logic
|
2007-03-23 16:06:22 +00:00
|
|
|
* Add memory leak detection test to examples/ostest
|
|
|
|
|
* Corrected memory leak in OS pthread join logic
|
|
|
|
|
* Corrected memory leaks in examples/ostest due to failures
|
|
|
|
|
to join or detach from pthreads.
|
2007-03-24 22:32:53 +00:00
|
|
|
* Added pthread_once(), pthread_kill(), pthread_sigmask()
|
|
|
|
|
* Added pthread_barrierattr_*() APIs
|
|
|
|
|
* Added pthread_barrier_init(), pthread_barrier_destroy(), and
|
2007-03-23 23:22:22 +00:00
|
|
|
pthread_barrier_wait();
|
2007-03-24 22:32:53 +00:00
|
|
|
* Added pthread barrier test
|
2007-03-24 15:57:35 +00:00
|
|
|
* Added protection so that errno cannot be modified from
|
|
|
|
|
interrupt handling.
|
|
|
|
|
* sched_setparam(), sched_setscheduler() now correctly set
|
|
|
|
|
errno; pthread_setscheduler() now returns the correct errno.
|
|
|
|
|
* Added pthread_setschedprio().
|
2007-03-27 16:35:48 +00:00
|
|
|
* Added directories to hold board-specific header files
|
|
|
|
|
* Added directories to hold board-specific drivers
|
|
|
|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
0.2.3 2007-03-29 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-03-27 16:35:48 +00:00
|
|
|
|
2007-03-28 16:00:57 +00:00
|
|
|
* mq_receive and mq_send now return errno's appropriately
|
|
|
|
|
* mq_receive and mq_send are now correctly awakened by signals.
|
2007-03-29 13:25:18 +00:00
|
|
|
* Fixed an unmatched sched_lock/unlock pair in task_delete().
|
|
|
|
|
* sched_lock must be called in _exit() because operation of
|
|
|
|
|
task_delete() can cause pending tasks to be merged and a
|
|
|
|
|
context switch to occur.
|
|
|
|
|
* Added mq_timedreceive() and mq_timedsend()
|
2007-03-29 14:21:31 +00:00
|
|
|
* signal mask is now inherited by both child tasks and threads.
|
|
|
|
|
* Improved sharebility of stdout among pthreads (only). Nothing
|
|
|
|
|
was broken, but by moving the mutual exclusion logic to a
|
|
|
|
|
higher level, the printf output is more readable.
|
2007-03-29 16:53:03 +00:00
|
|
|
* Fixed a bug in file system cleanup: A list was being deleted
|
|
|
|
|
before the buffers contained in the list.
|
2007-03-29 23:44:55 +00:00
|
|
|
* Fixed a bug in the wait-for-message-queue-not-empty logic.
|
|
|
|
|
* Added a test of timed mqueue operations; detected and corrected
|
|
|
|
|
some mqueue errors.
|
2007-03-30 00:49:11 +00:00
|
|
|
* Identified and corrected a race condition associated with
|
|
|
|
|
pthread_join. In the failure condition, memory was being
|
|
|
|
|
deallocated while still in use.
|
2007-03-30 13:21:20 +00:00
|
|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
0.2.4 2007-04-28 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-03-30 13:21:20 +00:00
|
|
|
|
2007-04-22 20:40:10 +00:00
|
|
|
* Verfied c5471 build under Cygwin on WinXP
|
2007-04-28 22:38:28 +00:00
|
|
|
* Makesystem changes to better support different SoCs.
|
|
|
|
|
* Made arch/c5471/include and arch/dm320/include identical in
|
|
|
|
|
preparation for merging into arch/arm
|
|
|
|
|
* Logic from arch/c5471 and arch/dm320 combined into arch/arm.
|
|
|
|
|
arch/c5471 and arch/dm320 are deprecated and will be removed
|
|
|
|
|
when the new c5471 and dm320 logic is verified.
|
|
|
|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
0.2.5 2007-05-19 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-04-28 22:38:28 +00:00
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2007-04-29 21:50:53 +00:00
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* Corrected some build/configuration issues introduced with the
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last release.
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2007-05-12 20:10:04 +00:00
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* Added support for the NXP 214x processor on the mcu123.com lpc214x
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development board (untested)
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* Added support for block devices.
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* Simulated target now exports a VFAT filesystem
|
2007-05-21 00:42:06 +00:00
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* Begin support for VFAT filesystem (missing functionalit)
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2007-05-12 20:10:04 +00:00
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* Added mount() and umount()
|
2007-05-20 17:00:02 +00:00
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* Fix bug in memcmp return value
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* Fix errors in timeslice calculation (several places)
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* Added missing irqrestore() in timer_deletall().
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* close() was not closing the underlying device.
|
2007-05-20 19:01:57 +00:00
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* Added fsync()
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2007-05-20 19:27:02 +00:00
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* Added strspn() and strcspn()
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2007-05-21 17:17:42 +00:00
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2007-11-20 01:26:34 +00:00
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0.2.6 2007-05-26 Gregory Nutt <spudmonkey@racsa.co.cr>
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2007-05-21 00:42:06 +00:00
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2007-05-21 14:36:00 +00:00
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* Added unlink(), mkdir(), rmdir(), and rename()
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2007-05-21 17:17:42 +00:00
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* Fixed several serious FAT errors with oflags handling (&& instead of &)
|
2007-05-26 22:46:13 +00:00
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* Added FAT support for unlink(), mkdir(), rmdir(), and rename
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2007-05-26 19:22:34 +00:00
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* Added FAT support for opendir(), closedir(), readdir(), seekdir(),
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telldir(), rewindir().
|
2007-05-26 22:46:13 +00:00
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* Fixed ARM compilation errors introduced in 0.2.5 (that is what I get
|
2007-05-26 19:22:34 +00:00
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for only testing on the simulation).
|
2007-05-26 22:46:13 +00:00
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2007-11-20 01:26:34 +00:00
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0.2.7 2007-06-09 Gregory Nutt <spudmonkey@racsa.co.cr>
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2007-05-26 22:46:13 +00:00
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2007-05-29 00:31:17 +00:00
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* Added stat() to fs layer and to FAT
|
2007-05-27 19:10:40 +00:00
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* Fixed reference counting errors associated with mounted filesystems
|
2007-05-27 20:40:01 +00:00
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* Added fat_getattrib() and fat_setattrib()
|
2007-05-29 00:31:17 +00:00
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* Added statfs() to fs layer and to FAT
|
2007-06-07 00:53:33 +00:00
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* Correct file name extension in tools/zipme.sh
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* Fix error in dependencies in 8051/2 Makefile
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* sched/Makefile: Don't build sleep() or usleep() if signals are disabled
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* sched/sched_setparam.c: Remove redundant disabling of interrupts
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* sched/usleep.c: Fixed nsec calculation
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* lib/lib_strcspn.c: Function incorrectly named strspn().
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* examples/ostest/main.c: Errors in SDCC version of a memcpy() call
|
2007-06-09 15:49:44 +00:00
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* examples/ostest/sighand.c: Don't call fflush() if streams are disabled
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* include/limits.h, include/time.h, sched/clock_internal.h: A support for
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using selectable system timer frequency.
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2007-06-09 19:11:00 +00:00
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* Fixed error in mountpoint related conditional compilation introduced
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in 0.2.5
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* Restructured some Makefiles to better handle enabling and disabling
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NuttX features without having so much conditional compilation in the
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source files.
|
2007-07-02 13:02:56 +00:00
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* tools/mkconfig.c: No longer depends on asprintf() and _GNU_SOURCE and
|
2007-06-09 19:45:33 +00:00
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so should now build in non-GNU, non-GLIBC environments.
|
2007-06-09 20:31:09 +00:00
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* include/nuttx/compiler.h: Fix for using SDCC with the Z80.
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* include/assert.h & arch/pjrc-8051/src/up_assert.c: SDCC does support
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__FILE__and __LINE__ (not tested)
|
2007-06-09 20:39:21 +00:00
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* examples/ostest/barrier.c: Don't call usleep() when signals are
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disabled.
|
2007-06-09 21:01:26 +00:00
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|
2007-11-20 01:26:34 +00:00
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0.2.8 2007-07-02 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-06-10 00:18:40 +00:00
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* tools/Makefile.mkconfig: Under Cygwin, executable has a different name
|
2007-07-02 13:02:56 +00:00
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* tools/mkdeps.sh & arch/arm/src/Makefile: Corrected a problem makeing dependencies
|
2007-06-10 02:24:53 +00:00
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|
* tools/zipme.sh: Force directory name to be nuttx-xx.yy.zz
|
2007-06-10 17:50:16 +00:00
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|
* fs/fs_opendir.c: Correct errors in semaphore usage that can cause deadlock.
|
2007-06-10 18:13:03 +00:00
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|
* lib/lib_getopt.c: Added getopt() support
|
2007-07-02 13:02:56 +00:00
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* examples/nsh/: NSH now supports cat, mount, umount, and mkdir. ls supports
|
2007-06-30 17:05:44 +00:00
|
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|
-l -s, and -R
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* Added basic OS support to manage environment variables: environment
|
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|
storage, cloning on task creation, sharing on pthread creation, destruction
|
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|
on thread/task exit.
|
2007-06-30 19:39:17 +00:00
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* Add environment variables APIs: environ, getenv, putenv, clearenv, setenv,
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|
unsetenv
|
2007-06-30 20:38:16 +00:00
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|
* Correct an error in realloc() when the block is extended "down" in memory.
|
2007-06-30 22:39:20 +00:00
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|
|
In this case, the old memory contents need to be copied to the new location
|
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|
|
and an allocated bit was not being set.
|
2007-07-02 13:02:56 +00:00
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|
|
* examples/ostest/: Added an environment variable test.
|
2007-07-01 18:23:03 +00:00
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|
* examples/nsh/: Break into several files.
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|
* lib/: Added strrchr, basename, dirname
|
2007-07-01 20:05:11 +00:00
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|
* examples/nsh/: Add cp, rm, rmdir, set, unset commands. echo will now print
|
|
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|
|
environment variables.
|
2007-07-02 13:02:56 +00:00
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|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
0.3.0 2007-11-06 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-07-02 13:02:56 +00:00
|
|
|
|
2007-08-26 23:18:13 +00:00
|
|
|
* Imported uIP into the tree (see
|
|
|
|
|
http://www.sics.se/~adam/uip/index.php/Main_Page)
|
2007-09-01 20:56:19 +00:00
|
|
|
* Adding socket(), bind(), connect()
|
2007-09-02 19:43:16 +00:00
|
|
|
* Added snprintf()
|
2007-09-07 00:10:10 +00:00
|
|
|
* Added send() and sendto(); integrate write() and close() with socket descriptors.
|
2007-09-03 20:34:44 +00:00
|
|
|
* Added recv() and recvfrom().
|
2007-09-07 00:10:10 +00:00
|
|
|
* Added getsockopt() and setsockopt()
|
2007-09-08 15:26:55 +00:00
|
|
|
* Documentation updated to address socket interfaces.
|
2007-09-08 21:54:43 +00:00
|
|
|
* Implemented receive timeouts via setsockopt(SO_RCVTIMEO).
|
2007-09-16 22:12:04 +00:00
|
|
|
* Provide support for multiple network devices
|
|
|
|
|
* Implement socket ioctl() calls to set addresses
|
2007-09-23 16:58:09 +00:00
|
|
|
* Added listen() and accept()
|
2007-11-02 20:20:34 +00:00
|
|
|
* Added DM90x0 ethernet driver
|
|
|
|
|
* ARP timer is now built into the network layer
|
2007-11-06 19:58:14 +00:00
|
|
|
* Basic client functionality verified: socket(), bind(), connect(), recv(), send().
|
|
|
|
|
</pre></ul>
|
|
|
|
|
|
|
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
2007-11-20 01:26:34 +00:00
|
|
|
<a name="currentrelease">ChangeLog for Current Release</a>
|
2007-11-06 19:58:14 +00:00
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<pre><ul>
|
2007-11-20 01:26:34 +00:00
|
|
|
0.3.1 2007-11-19 Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-11-06 23:38:14 +00:00
|
|
|
|
|
|
|
|
* Separated net/uip/uip.c into several functions in several files.
|
2007-11-15 22:38:32 +00:00
|
|
|
* Corrected a TCP problem where packets were dropped because there was no
|
|
|
|
|
recv() in place but the packet was being ACKed. There are still TCP
|
|
|
|
|
recv buffering issues, but this is part of a larger buffering issue.
|
2007-11-16 18:48:39 +00:00
|
|
|
* Basic server functionality verified: listen(), accept()
|
2007-11-17 14:28:10 +00:00
|
|
|
* Fix DM90x0 driver problem that caused TX overruns
|
2007-11-19 18:17:23 +00:00
|
|
|
* Add strncmp()
|
2007-11-19 23:09:39 +00:00
|
|
|
* Added TCP/IP read-ahead buffer to minimize failed ACKs and packet loss.
|
2007-03-15 03:00:29 +00:00
|
|
|
</pre></ul>
|
2007-03-14 18:58:21 +00:00
|
|
|
|
2007-11-20 01:26:34 +00:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="pendingchanges">Unreleased Changes</a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<pre><ul>
|
|
|
|
|
0.3.2 2007-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
|
2007-11-20 20:32:33 +00:00
|
|
|
|
|
|
|
|
* Add strcat() and strncat()
|
|
|
|
|
* Integrated uIP micro webserver
|
2007-11-20 21:55:06 +00:00
|
|
|
* Corrected a serious bug in TCP queue management
|
2007-11-21 23:29:14 +00:00
|
|
|
* Fix leak in socket close logic
|
2007-11-22 14:42:52 +00:00
|
|
|
* Add TX notification to driver so that it can respond faster to
|
|
|
|
|
the availability of TX data.
|
|
|
|
|
* Moved urgent data info into device structure.
|
2007-11-22 18:36:46 +00:00
|
|
|
* TCP and ICMP protocols can now be disabled.
|
2007-11-22 21:59:30 +00:00
|
|
|
* Added UDP test in examples/udp
|
2007-11-23 13:31:28 +00:00
|
|
|
* Verified/debugged UDP send logic using examples/udp
|
2007-11-20 01:26:34 +00:00
|
|
|
</pre></ul>
|
|
|
|
|
|
2007-03-15 03:00:29 +00:00
|
|
|
<table width ="100%">
|
|
|
|
|
<tr bgcolor="#e4e4e4">
|
|
|
|
|
<td>
|
|
|
|
|
<a name="documentation"><h1>Other Documentation</h1></a>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</table>
|
2007-02-22 01:50:30 +00:00
|
|
|
|
2007-03-15 03:00:29 +00:00
|
|
|
<ul><table>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><img src="favicon.ico"></td>
|
|
|
|
|
<td><a href="NuttxUserGuide.html">User Guide</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td><img src="favicon.ico"></td>
|
|
|
|
|
<td><a href="NuttxPortingGuide.html">Porting Guide</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</center></ul>
|
2007-02-22 01:50:30 +00:00
|
|
|
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
|
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|
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|
