Prep for 0.4.4 release
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1665 42af7a65-404d-4744-a932-0658087f49c3
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<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
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<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
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<p>Last Updated: March 28, 2009</p>
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<p>Last Updated: March 29, 2009</p>
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<p><b>nuttx-0.4.3</b>.
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<p><b>nuttx-0.4.4</b>.
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The 35<sup>th</sup> release of NuttX (nuttx-0.4.3) is available for download
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The 36<sup>th</sup> release of NuttX (nuttx-0.4.4) is available for download
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from the <a href="http://sourceforge.net/project/showfiles.php?group_id=189573">SourceForge</a>
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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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website.
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The change log associated with the release is available <a href="#currentrelease">here</a>.
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The change log associated with the release is available <a href="#currentrelease">here</a>.
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These unreleased changes are listed <a href="#pendingchanges">here</a>.
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These unreleased changes are listed <a href="#pendingchanges">here</a>.
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</p>
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<p>
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<p>
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This release one important new OS feature and corrects and extends the eZ80 port:
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This release focuses on bugfixes and extending and verifying certain networking features:
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<ul>
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<ul>
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<li>Priority Inheritance.
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<li>
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The basic NuttX waiting logic was extended to support priority inheritance.
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Important bugs were fixed in NSH, UDP checksum calculation, UDP bind()
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See the NuttX <a href="NuttxUserGuide.html#priorityinheritance">User Manual</a>
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behavior for port==0, the eZ80Acclaim! EMAC driver, Z80 interrupt handling,
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for further information.
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and in the C libraries.
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</li>
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</li>
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<li>ez80Acclaim!
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<li>
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Corrected several critical, show-stopping bugs on that platform including:
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Testing was extended to further verify the tiny webserver, DHCPD, wget(),
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errors in the serial driver intrrupts and an error in the ez80 vector table,.
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and sendmail.
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</li>
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<li>eZ80Acclaim!:
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Completed integration of the eZ80F91 EMAC driver.
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</li>
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</li>
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</ul>
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</ul>
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</p>
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</p>
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<p>
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<p>
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These changes were verified only on the ZiLOG eZ80910200zcog-d board and on Cygwin-based
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These changes were verified only on the ZiLOG eZ80910200zcog-d board using the
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simulation platform in various configurations. Please report any errors to me.
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ZDS-II toolchain in Cygwin-based environment. Please report any errors to me.
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</p>
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</p>
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<table width ="100%">
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<table width ="100%">
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<p>
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<p>
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<b>STATUS:</b>
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<b>STATUS:</b>
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Testing with the ZiLOG ez80f0910200kitg has been performed only on the on the ZDS-II simulator.
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Integration and testing of NuttX on the ZiLOG ez80f0910200zcog-d is complete.
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However, support for the ZiLOG ez80f0910200zcog-d is complete.
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The first integrated version was released in NuttX version 0.4.2 (with important early bugfixes
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The first integrated version was released in NuttX version 0.4.2.
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in 0.4.3 and 0.4.4).
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As of this writing, that port provides basic board support with a serial console and eZ80F91 EMAC driver.
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As of this writing, that port provides basic board support with a serial console and eZ80F91 EMAC driver.
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</p>
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</table>
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</table>
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<pre><ul>
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<pre><ul>
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nuttx-0.4.3 2009-03-04 Gregory Nutt <spudmonkey@racsa.co.cr>
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nuttx-0.4.4 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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* z8Encore! and eZ80Acclaim!: Fixed the serial driver initialization sequence
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* examples/nsh: A debug option was left on that can (and does) cause
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* eZ80Acclaim!: Fixed error in vector table: Missing space set aside for the
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infinite loops and stack overflows.
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"unused" vectors. As a result, all vectors above timer4 were skewed.
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* net/uip: Correct calculation of checksum on ICMP ping response.
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* eZ80Acclaim!: Fixed logic error in UART interrupt handler.
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* examples/dchpd: Added a tiny DHCP server example
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* Many fixes in FAT file system and in NSH for correct compilation with ZDS-II
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* net/uip: Correct UDP bind behavior. It should select a valid port number
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* eZ80Acclaim!: Added and verified a NuttShell (NSH) configuration.
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if it receives a port number of zero.
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* eZ80Acclaim!: Correct endian-ness; defconfig files said BIG endian.
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* netutils/dhcpd: Corrrect for ZDS compiler. Fix issue with re-use of a
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* Restructured parts of the uIP port for correct compilation with ZDS-II
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port number. Fixed a number of broadcast-related problems.
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* eZ80Acclaim!: Complete basic integration of the eZ80F91 EMAC driver. The
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* eZ80Acclaim!: Add a tiny webserver configuration
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driver is basically functional and should mature prior to the 0.4.3 release.
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* eZ80Acclaim!: Fixed an important bug in the EMAC Tx timeout logic. It was
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* Implemented priority inheritance logic for POSIX semaphores. Because the pthread
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always timing out when the load was heavy and worse, for some reason,
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mutexes are built on semaphores, they will have this property as well.
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resetting the Tx function caused unexpected registers to be reset in
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the Rcv function was well.
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* Z80: Patch incorported: "[2696648] Z80: interrupt flag stored in parity bit"
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(submitted by JPelletier). The is the same fix that was needed for the
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eZ80 and fixed in 0.4.2.
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* netutils: Added logic to support a simple wget() function
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* examples/wget: Added a test for wget() (untested -- see NOTE)
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* lib/strncasecmp: Fix cut'n'paste error in function name.
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* NSH: Added wget command (untested -- see NOTE).
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* examples/sendmail: A simple sendmail example (untested -- see NOTE)
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NOTE: Features related to wget and sendmail are not tested on the target platform
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in this release and, hence, most likely have problems. I don't have the correct network
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network setup to perform that testing now (I'm in a hotel).
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pascal-0.1.2 2008-02-10 Gregory Nutt <spudmonkey@racsa.co.cr>
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pascal-0.1.2 2008-02-10 Gregory Nutt <spudmonkey@racsa.co.cr>
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@ -1344,32 +1354,7 @@ buildroot-0.1.3 2009-02-28 <spudmonkey@racsa.co.cr>
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</table>
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</table>
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<pre><ul>
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<pre><ul>
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nuttx-0.4.4 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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nuttx-0.4.5 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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* examples/nsh: A debug option was left on that can (and does) cause
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infinite loops and stack overflows.
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* net/uip: Correct calculation of checksum on ICMP ping response.
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* examples/dchpd: Added a tiny DHCP server example
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* net/uip: Correct UDP bind behavior. It should select a valid port number
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if it receives a port number of zero.
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* netutils/dhcpd: Corrrect for ZDS compiler. Fix issue with re-use of a
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port number. Fixed a number of broadcast-related problems.
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* eZ80Acclaim!: Add a tiny webserver configuration
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* eZ80Acclaim!: Fixed an important bug in the EMAC Tx timeout logic. It was
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always timing out when the load was heavy and worse, for some reason,
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resetting the Tx function caused unexpected registers to be reset in
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the Rcv function was well.
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* Z80: Patch incorported: "[2696648] Z80: interrupt flag stored in parity bit"
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(submitted by JPelletier). The is the same fix that was needed for the
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eZ80 and fixed in 0.4.2.
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* netutils: Added logic to support a simple wget() function
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* examples/wget: Added a test for wget() -- NOTE
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* lib/strncasecmp: Fix cut'n'paste error in function name.
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* NSH: Added wget command (untested and temorarily disabled)-- see NOTE.
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NOTE: Features related to wget are not tested on the target platform in this
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release and, hence, most likely have problems. I don't have the correct network
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settup to perform that testing now (I'm in a hotel).
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pascal-0.1.3 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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pascal-0.1.3 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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