84 lines
3.2 KiB
Plaintext
84 lines
3.2 KiB
Plaintext
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NuttX-6.18
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----------
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The 85th release of NuttX, Version 6.18, was made on May 19, 2012,
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and is available for download from the SourceForge website. Note
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that release consists of two tarballs: nuttx-6.18.tar.gz and
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apps-6.18.tar.gz. Both may be needed (see the top-level nuttx/README.txt
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file for build information).
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The majority of changes in this release are focused on supporting the
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synchronized release of NxWM, the NuttX tiny window manager. That
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window manager is released as part of the NxWidgets package, but depends
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upon many of the changes in this NuttX release.
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This release corresponds with SVN release number: r4751
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New features and extended functionality:
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* Drivers. Added a watchdog timer driver infrastructure. Add general
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support for STMicro STMPE811 I/O Expander/touchscreen device.
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* STM32. Add support for the STM32 IWDG and WWDG watchodog timers. DMA
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now supports circular buffer mode; serial driver now uses circular
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DMA to improve Rx performance (Contributed by Mike Smith).
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* STM3240G-EVAL Board. Add support for the LCD and for the STMPE811
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I/O Expander as a touchscreen controller.
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* PIC32 Boards. Board support for the Mikroelektronika PIC32MX7
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Multimedia Board (MMB) and for the Sparkfun UBW32 PIC32 board.
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* NX. Framed windows are now draw in three colors instead of just two.
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Numerous other extensions needed to support NxWM (see the ChangeLog
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for details).
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* Library. Add prctl() command that can be used to setting and getting
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the names of threads. This (plus several other improvements and bug
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fixes) are part of a larger effort to improve task monitoring
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capabilities.
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Work in progress. This release includes some partially completed
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work that is still not ready for prime time.
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* NFS Client. Work is progressing on support for an NFS client
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file system. This is a port of the BSD NFS client file system
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that is being done by Jose Pablo Rojas V.
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* Automated Configuration. Automated configuration based on the
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kconfig-frontends tool is being incorporated into the build
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system. The configuration is still not complete enough for
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general use in this release.
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* STM32 Drivers. Added files that will (eventually) hold an STM32
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OTG FS host driver. This is still a work in progress.
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Bugfixes (see the change log for details) :
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* sched_setscheduler() return value (Contributed by Richard Cochran).
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* stdio. Ignore CONFIG_STDIO_LINEBUFFER if the file was opened in binary mode.
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* fopen(). Correct an error in parsing open mode string.
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* serial driver. Improved performance be reducing the amount of time
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that Rx interrupts are disabled.
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* recvfrom(). Fix a compilation problem.
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* CDC/ACM device driver. Fix an infinite loop that occurs when the serial
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device is unregistered.
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* STM32 OTG FS device driver. Numerous fixes and the driver is partially
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functional but there are still some issues that become apparent when
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debug output is disabled.
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* fcntl(). Always returned zero on success; however, some fcntl commands
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need to return non-zero values on success.
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* graphics: Many multi-use mode fixes added to support NxWM (see the
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ChangeLog for details). Auto-raise is temporarily disabled in multi-
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user mode because it causes some problems with NxWM.
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* on_exit(): Fix compilation errors if CONFIG_SCHED_ONEXIT is enabled.
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