498 lines
18 KiB
Plaintext
498 lines
18 KiB
Plaintext
nuttx-0.1.0
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^^^^^^^^^^^
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This is the initial. This initial includes the complete NuttX RTOS
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with support for the Linux user mode simulation and the TI TMS320C5471
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(Arm7) processor. Partial support for the 87C52 is included.
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This release has been verified on both the Linux user-mode and C5471
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platforms using the test program under examples/ostest. Test results
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for the C5471 can be found in arch/c5471/doc/test-results.txt.
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This tarball contains a complete CVS snapshot from March 9,2007.
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nuttx-0.1.1
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^^^^^^^^^^^
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This is the second release of NuttX. This release includes the following.
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See the ChangeLog for more detailed description of the changes.
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(1) General OS bugfixes (see the ChangeLog for details),
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(2) bugfixes for the TI TMS320C5471 (Arm7) platform (see
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the ChangeLog)
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(3) Complete support for the 87C52. (However, the 87C52
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release is not stable enough for general usage).
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(4) Added the beginning of a shell call NuttShell (nsh)
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This release has been verified on the Linux user-mode platform, the
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Spectrum Digital TMS320C5471 EVM, and the PJRC 87C52 development board
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using the test program under examples/ostest.
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STATUS: The development status remains as ALPHA until further testing
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is performed.
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This tarball contains a complete CVS snapshot from March 14, 2007.
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nuttx-0.1.2
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^^^^^^^^^^^
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This is the third release of NuttX. This release is
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primarily a bugfix release with minimal new features. See
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the ChangeLog for a more detailed description of the
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changes.
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(1) Several important OS and ARM7 bugfixes,
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(2) opendir(), closedir(), readdir(), etc. added
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(3) Added C5471 watchdog timer.
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(4) Created a shareable, serial driver.
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(5) Added 'ls' command to NuttShell (nsh)
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(6) Added a test of the round robin scheduler
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This release has been verified on the Linux user-mode
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platform, the Spectrum Digital TMS320C5471 EVM using the
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test program under examples/ostest.
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This tarball contains a CVS snapshot from March 19, 2007.
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nuttx-0.2.1
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^^^^^^^^^^^
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This is the fourth relese of NuttX. This release adds adds
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support for a new platform, restructures many header files,
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and adds a few new features:
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(1) Support for Neuros OSD / DM320
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(2) Restructuring of header files for better POSIX compliance
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(3) Added kill()
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(4) Added POSIX timers
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(5) bugfixes and documentation updates
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This release has been verified on the Linux user-mode
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platform, the Spectrum Digital TMS320C5471 EVM, and the
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Neuros OSD using the test program under examples/ostest. Because
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of the stability of these tests, the project status
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has been upgraded to 'beta.'
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This tarball contains a complete CVS snapshot from March 22, 2007.
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nuttx-0.2.2
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^^^^^^^^^^^^
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This is the fifth release of NuttX. There is no major new
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functionality in this release. This release adds support
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for new pthread barrier APIs, changes the directory
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structure, to better handle different board configurations
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using the same processor architecture, and corrects a few
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defects.
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See the ChangeLog for a complete list of changes.
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This release has been verified on the Linux user-mode
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platform and the Neuros OSD using the test program under
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examples/ostest. There are no known, critical defects but
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the project development status remains at 'beta' status
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pending further test and evaluation.
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This tarball contains a complete CVS snapshot from
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March 26, 2007.
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nuttx-0.2.3
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^^^^^^^^^^^^
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This is the sixth release of NuttX. This release is
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primarily a bugfix release. Numerous problems were fixed
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as detailedin the change log. New functionality includes
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support for timed message queues.
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See the ChangeLog for a complete list of changes.
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This release has been verified on the Linux user-mode
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platform and the Neuros OSD using the test program under
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examples/ostest. The results of the testing is available in
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the source tree under configs/ntosd-dm320/doc/test-results.
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There are no known, critical defects but the project
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development status remains at 'beta' status pending further
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test and evaluation.
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This tarball contains a complete CVS snapshot from March 29,
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2007.
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nuttx-0.2.4
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^^^^^^^^^^^^
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This is the 7th release of NuttX. This release is only to roll out
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build changes to better support different SoC's that use the same
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processor architecture. In particular, the two existing ARM architectures,
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c5471 and DM320 were combined into a single ARM directory. This was done
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in preparation for an LPC2148 port that is currently in progress. There
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is NO new functionality or significant bufixes in this release.
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See the ChangeLog for a complete list of changes.
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This release has been verified on the Linux user-mode platform
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and the Neuros OSD using the test program under examples/ostest.
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The results of the testing is available in the source tree under
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configs/ntosd-dm320/doc/test-results and under configs/sim/doc/test-results.
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There are no known, critical defects but the project development status
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remains at 'beta' status pending further test and evaluation.
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This tarball contains a complete CVS snapshot from April 28, 2007.
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nuttx-0.2.5
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^^^^^^^^^^^^
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This is the 8th release of NuttX. This release includes:
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(1) Several bug fixes
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(2) Initial support for FAT filesystems. Testing has not
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been exhaustive and some functionality is missing
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(mkdir, stat, unlink chmod, and rename functionality is
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not yet implemented).
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(3) Support for the NXP lpc2148 processor is included but
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is untested as of this writing. The current
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implementation includes only support for serial console
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and timer interrupt.
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See the ChangeLog for a complete list of changes.
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This release has been verified only on the Linux user-mode
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platform.
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This tarball contains a complete CVS snapshot from May 19,
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2007.
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nuttx-0.2.6
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^^^^^^^^^^^
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This is the 9th release of NuttX. This is primarily a
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bugfix release to correct a number of problems introduced
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with the 0.2.5 release. This release does include some FAT
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filesystem extensions including unlink(), mkdir(), rmdir(),
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rename(), opendir(), closedir(), readdir(), seekdir(),
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telldir(), rewindir(). There are some pending FAT changes
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that did not make it into this release including stat(),
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truncate(), and long file names.
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See the ChangeLog for a complete list of changes.
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This release has been verified only on the Linux user-mode
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platform.
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This tarball contains a complete CVS snapshot from May 26,
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2007.
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nuttx-0.2.7
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^^^^^^^^^^^
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This is the 10th release of NuttX. This is primarily a bugfix releaseto correct a
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number of problems reported to me (thanks Didier!). This release does include the
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final changes complete the FAT filesystem logic including stat(), tatfs(), and non-
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standard APIs to manage FAT
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attributes. At present,FAT long file names and file trunction() are still not
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supported.
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See the ChangeLog for a complete list of changes.
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This release has been verified only on the Linux user-mode platform.
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This tarball contains a complete CVS snapshot from June 9, 2007.
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nuttx-0.2.8
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^^^^^^^^^^^
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This is the 11th release of NuttX. This release (1) corrects important bugs
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in opendir and realloc, (2) adds support for environment variables, (3) adds
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several new C library interfaces, and (4) extends several example programs.
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See the ChangeLog for a complete list of changes.
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This release has been verified only on the Linux user-mode platform.
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This tarball contains a complete CVS snapshot from July 2, 2007.
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nuttx-0.3.0
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^^^^^^^^^^^
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This is the 12th release of NuttX. This release includes the initial
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integration of a network subsystem and the uIP TCP/IP stack into NuttX
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(see http://www.sics.se/~adam/uip/index.php/Main_Page). Also included
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is a device driver for the Davicom DM90x0 ethernet controller.
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This integration is very preliminary. Only a small portion of the
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network functionality has been integrated and there are a number of
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open issues (see the TODO file). The network subsystem is pre-alpha
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at this point in time. I expect that it will stabilize and mature
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over the next few releases.
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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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See the ChangeLog for a complete list of changes.
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This release has been verified only on the Neuros OSD (DM320 ARM9)
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platform using the DM90x0 driver.
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This tarball contains a complete CVS snapshot from November 6, 2007.
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nuttx-0.3.1
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^^^^^^^^^^^
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This is the 13th release of NuttX and the second release containing
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the integration of a network subsystem and the uIP TCP/IP, UDP, and
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ICMP stacks into NuttX (see http://www.sics.se/~adam/uip/index.php/Main_Page).
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Many network-related problems have been fixed and the implementation
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has matured significantly. However, the level of network reliability
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is probably still at the pre-alpha or early level. It is sufficiently
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complete that you may begin to perform some network integration and
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is exepcted to achieve beta level of reliability over the next few
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releases.
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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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See the ChangeLog for a complete list of changes.
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This release has been verified only on the Neuros OSD (DM320 ARM9)
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platform using the DM90x0 driver.
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This tarball contains a complete CVS snapshot from November 19, 2007.
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nuttx-0.3.2
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^^^^^^^^^^^
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This is the 14th release of NuttX and the 3rd release containing
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the integration of a network subsystem and the uIP TCP/IP, UDP, and
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ICMP stacks into NuttX (see http://www.sics.se/~adam/uip/index.php/Main_Page).
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Many network-related problems have been fixed and the implementation
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has matured significantly. This release consists of:
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o TCP-related bug-fixes
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o TCP performance improvements
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o Initial UDP integration
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o Initial uIP micro webserver integration
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See the ChangeLog for a complete list of changes.
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The level of network reliability is at alpha level is expected to
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achieve beta level of reliability over the next few releases.
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The baseline functionality of NuttX continues to mature and remains at
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post-beta.
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This release has been verified only on the Neuros OSD (DM320 ARM9)
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platform using the DM90x0 driver.
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This tarball contains a complete CVS snapshot from November 23, 2007.
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nuttx-0.3.3
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^^^^^^^^^^^
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This is the 15th release of NuttX and the 4th release containing
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the integration of a network subsystem and the uIP TCP/IP, UDP, and
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ICMP stacks into NuttX (see http://www.sics.se/~adam/uip/index.php/Main_Page).
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Many network-related problems have been fixed and the implementation
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has matured significantly. This release consists of:
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o TCP-related bug-fixes for disconnecting sockets
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o Correction of some TCP read-ahead logic
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o TCP performance improvements
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o Misc. additions and cleanup (See the ChangeLog for a complete list of
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changes).
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The level of network reliability is at an early beta release level. The
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baseline functionality of NuttX continues to mature and remains at
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post-beta. Open network-related issues include only:
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o Some minor unimplemented BSD socket functionality,
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o Thread safety issues: the same socket cannot be used concurrently on
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different threads.
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o Pending design changes necessary to support multiple network interfaces.
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o IPv6 support is incomplete.
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This release has been verified only on the Neuros OSD (DM320 ARM9)
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platform using the DM90x0 driver. Any feedback for improving the network
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reliability/performance would be greatly appreciated.
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This tarball contains a complete CVS snapshot from November 28, 2007.
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nuttx-0.3.4
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^^^^^^^^^^^
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This is the 16th release of NuttX and the 5th release containing
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the integration of a network subsystem and the uIP TCP/IP, UDP, and
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ICMP stacks into NuttX (see http://www.sics.se/~adam/uip/index.php/Main_Page).
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This release is primarily a bug-fix release. New features include
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only:
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o TELNET front-end to NSH,
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o DHCPC server functionality, and
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o C5471 Ethernet driver.
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Numerous network related problems were fixed related to DHCPC, UDP
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input processing, UDP broadcast, send timeouts, and bad compilation when
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uIP is compiled at high levels of optimization.
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The level of network reliability is at a strong beta release level. The
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baseline functionality of NuttX continues to mature and remains at
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post-beta or production level.
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Parts of this release were verified only on the Neuros OSD (DM320 ARM9)
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platform using the DM90x0 Ethernet driver and other parts on the Spectrum
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Digital C5471 EVM using the C5471 Ethernet driver. Any feedback about bugs
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or suggestions for improving the network reliability/performance would be
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greatly appreciated.
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This tarball contains a complete CVS snapshot from December 10, 2007.
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nuttx-0.3.5
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^^^^^^^^^^^
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This is the 17th release of NuttX this release is primarily a bug-fix
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release and intended to synchronize with the current CVS contents. See
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the ChangeLog for a detailed list of changes and fixes.
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This release were verified only on the Spectrum Digital C5471 EVM using
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the C5471 Ethernet driver. Any feedback about bugs or suggestions for
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improvement would be greatly appreciated.
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This tarball contains a complete CVS snapshot from December 18, 2007.
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nuttx-0.3.6
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^^^^^^^^^^^
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This is the 18th release of NuttX. This release contains on a few
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changes. The primary purpose of this release is to synchronize with
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the release of the pascal-0.1.0 add-on package.
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This release of NuttX includes the following changes:
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* Fixes for use with SDCC compiler
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* Added a simulated z80 target (arch/z80)
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* Fix deadlock errors when using stdio but with no buffering
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* Add support for the add-on Pascal P-Code interpreter (pcode/)
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(see the pascal-0.1.0 package)
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This release were verified only on the simulated Z80 and and host
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simulation targets. As usual, any feedback about bugs or suggestions
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for improvement would be greatly appreciated.
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This tarball contains a complete CVS snapshot from January 6, 2007.
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====
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There was an error in the initial 0.3.6 release that prevented
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a successful build unless the Pascal add-on was present. The
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tarball was patched to include the fix. Make sure that you download
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the nuttx-0.3.6.1.tar.gz version to avoid this problem.
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nuttx-0.3.7
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^^^^^^^^^^^
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This is the 19th release of NuttX. This release includes the
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preliminary port of NuttX to the ZiLOG z16f 16-bit microcontroller.
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This port was verified using the ZiLOG z16f2800100zcog Development
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and the ZiLOG ZDS-II toolchain. See http://www.zilog.com for
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further information.
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I emphasize that this is a preliminary release of the z16f port and
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is only alpha or, perhaps, pre-alpha quality as of this writing.
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There are a list of known issues in the TODO file in the root of
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the NuttX directory. The overall quality of NuttX (excluding the
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z16f port) continues to improve beyond the late beta level.
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The z16f port required numerous changes to NuttX to handle:
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* NEAR and FAR addressing, and
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* Use of a Windows native toolchain in a Cygwin build environment.
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In addition to the z16f port, at least one very critical bug was
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found and corrected in NuttX: The thread-specific errno value of one
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task was being randomly trashed when a different thread exitted.
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This release were verified on the ZiLOG z16f2800100zcog, Neuros OSD
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(ARM9), and the simulation platforms. As usual, any feedback about bugs
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or suggestions for improvement would be greatly appreciated.
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This tarball contains a complete CVS snapshot from January 31, 2008.
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nuttx-0.3.8
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^^^^^^^^^^^
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This is the 20th release of NuttX. This is a minor bugfix release.
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It corrects a few minor problems, adds a few minor features, and
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continues the integration of the ZiLOG Z18F and of the Pascal P-Code
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add-on. This release is synchronized with the release of Pascal-0.1.2.
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This tarball contains a complete CVS snapshot from February 10, 2008.
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nuttx-0.3.9
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^^^^^^^^^^^
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This is the 21st release of NuttX. This is a minor future enhancement
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release. This release includes support for the ZiLOG Z8Encore! micro-
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controller. Also included is the initial framework for support for
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the Z80, XTRS platform (http://www.tim-mann.org/xtrs.html).
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This released has been verified only on the ZiLOG ZDS-II Z8Encore!
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chip simulation.
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This tarball contains a complete CVS snapshot from March 9, 2008.
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nuttx-0.3.10
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^^^^^^^^^^^^
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This is the 22nd release of NuttX. This is an important bug fix release.
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This release incorporates fixes to correct critical list handling errors
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in task shutdown logic: One in timer deletion logic (timer_delete.c) and one
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in stream logic (lib_init.c). This release also includes support to ZiLOG EZ80Acclaim
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microcontrooler (EZ80F91 chip) and configurations fot the ZiLOG z8f64200100kit (Z8F6423)
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and ez80f0910200kitg (EZ80F091) development kit.
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nuttx-0.3.11
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^^^^^^^^^^^^
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This is the 23rd release of NuttX. This is another important bugfix release.
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This releases fixes several bugs:
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* Two POSIX timer bugs: a memory leak as well a fatal sequencing error.
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* Several FAT filesystem errors.
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* A deadlock that can occur in opendir()
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A few new features were also added:
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* Support for recursive mutexes
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* Added a RAM disk block driver
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* The host simulator no longer uses direct Linux system calls and now also works on Cygwin.
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* The OS test was strengthen and now runs as an endurance test
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These changes were verified only on the Host simulator under Cygwin. Please report
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any errors to me.
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This tarball contains a complete CVS snapshot from June 1, 2008.
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nuttx-0.3.12
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^^^^^^^^^^^^
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This is the 24th release of NuttX. This release includes some minor bugfixes as well
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as a few new features. Bugs fixed include:
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* Corrected an error in recursive mutex implementation.
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* task_create() was only dup'in the first three file descriptors.
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* Fixed driver open reference counting errors in dup(), dup2(), and exit().
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* Fixed error handling logic in fflush().
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New features were also added:
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* Pipes and pipe() API
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* FIFOs and mkfifo() API
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* mkfatfs() API can be used to format FAT file systems.
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These changes were verified only on the Host simulator under Cygwin. Please report
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any errors to me.
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This tarball contains a complete CVS snapshot from August 10, 2008.
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