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diff --git a/nuttx/Documentation/NuttX.html b/nuttx/Documentation/NuttX.html index 20e81e48f..ba684ad0d 100644 --- a/nuttx/Documentation/NuttX.html +++ b/nuttx/Documentation/NuttX.html @@ -8,7 +8,7 @@ <tr align="center" bgcolor="#e4e4e4"> <td> <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1> - <p>Last Updated: September 7, 2011</p> + <p>Last Updated: September 11, 2011</p> </td> </tr> </table> @@ -905,42 +905,78 @@ </tr> </table> -<p><b>nuttx-6.8 Release Notes</b>: +<p><b>nuttx-6.9 Release Notes</b>: <p> - The 75<sup>th</sup> release of NuttX, Version 6.8, was made on August 19, 2011, and is available for download from the + The 76<sup>th</sup> release of NuttX, Version 6.9, was made on September 11, 2011, and is available for download from the <a href="http://sourceforge.net/projects/nuttx/files/">SourceForge</a> website. - Note that release consists of two tarballs: <code>nuttx-6.8.tar.gz</code> and <code>apps-6.8.tar.gz</code>. + Note that release consists of two tarballs: <code>nuttx-6.9.tar.gz</code> and <code>apps-6.9.tar.gz</code>. Both may be needed (see the top-level <code>nuttx/README.txt</code> file for build information) The change log associated with the release is available <a href="#currentrelease">here</a>. Unreleased changes after this release are available in SVN. These unreleased changes are also listed <a href="#pendingchanges">here</a>. </p> <p> - Changes in this release are summarized below: + This release includes a few new features and several important bug fixes. + The new features (some still incomplete) include: </p> <ul> - <li><b>FreeScale Kinetis Support</b>. - NuttX has been ported to run on the FreeScale Cortex-M4 "Kinetis" boards. - Two board ports are available for (1) the Kinetis KwikStik-K40 and - (2) the Kinetis TWR-K60N512 tower. + <li><b>Analog Support/ NXP LPC17xx</b>: + New DAC sub-system including ADC and DAC drivers for the LPC17xx. + Extensions to the ADS1255 driver. (Contributed by Li Zhuoyi (Lzyy)) </li> - <li><b>RGMP 0.3</b>. - Support for RGMP 0.3. This version of RGMP now runs on the OMAP4430 (arm) - pandaboard + <li><b>Power Management</b>: + Added a new NuttX power management sub-system for controlling and coordinating reduced power states. + At present, only verified in a simulation environment. </li> - <li><b>LPC17xx CAN driver</b>. - LPC17xx CAN driver extended to support both CAN1 and CAN2 (submitted by - Li Zhuoy (Lzzy)). A Semaphore overflow problem was also corrected in the - CAN driver (reported by Li Zhouy (Lzzy)). + <li><b>I2C Test Tool</b>: + A new application was added that can be used to verify and debug I2C interfaces from the NuttShell (NSH) command line. </li> - <li><b>Signal-related bugfixes</b>. - Fixed several critical bugs related to signal handling initialization and - for signals the wake up tasks that are waiting to send or receive message - queues.Both are important (submitted by hkwilton). + <li><b>NuttShell (NSH)</b>: + In addition to the I2C test tool, a <code>date</code> command is now supported (if <code>CONFIG_RTC</code> is defined) that can be used to read and set the RTC. </li> - <li><b>ADC Infrastructure</b>. - Added a new ADC driver infrastructure and TI ADS1255 driver both - developed and submitted by Li Zhouy (Lzzy)). + <li><b>NXP LPC17xx</b>: + I2C and DAC drivers for the NXP LPC17xx family submitted by Li Zhuoyi (Lzyy) + </li> + <li><b>Kinetis Cortex-M4</b>: + Added a SDHC driver for the Kinetis parts. + Complete debug of the Kinetis SDHC driver was not completed, however, do to some higher priority tasks that forced me to stop work. + </li> + <li><b>Other new drivers</b>: + Driver for I2C-based at24cxx EEPROM submitted by Li Zhuoyi (Lzyy); + Driver for the LM-75 temperature sensor. + Support for the LM-75 temperature sensor integrated into the STMicro STM3210E-EVAL development board. + </li> + <li><b>NuttX Graphics (NX)</b>: + Added new NX interfaces for drawing circles, both circle outlines and filled circles. + </li> + <li><b>FLASH</b>: + Added a function that accepts the path to a block driver and then erases the underlying FLASH memory + </li> + <li><b>Build System</b>: + The Make export logic now also tries to track down all architecture-specific header files and include these in the NuttX export bundle as well. + Various changes and modifications so that NuttX wil build on FreeBSD using the ASH shell (submitted by Kurt Lidl). + </li> +</ul> +<p> + Bugfixes, order roughly on decreasing criticality include: +</p> +<ul> + </li> + <li><b>STM32 I2C Driver</b>: + Add resets, timeout, and other fixes to work reliably with the I2C tool. + Corrected a major error introduced in NuttX 6.8. + </li> + <li><b>BCH Driver</b>. + Several important bugs (noted by Li Zhuoyi (Lzyy)) were fixed. + </li> + <li><b>C Library</b>: + Fixed errors in <code>gmtime()</code> and <code>gmtime_r()</code> that could lead to errors in date calculations. + </li> + <li><b>Timing</b>: + Correct an error in the <code>tv_nsec</code> calculation that happens only config <code>CONFIG_RTC</code> is enabled + </li> + <li><b>Build System</b>: + Use of <code>-print-libgcc-file-name</code> to get path to <code>libgcc.a</code> might select the wrong <code>libgcc.a</code> if a GCC multilib toolchain is used </li> </ul> <p> @@ -2549,57 +2585,78 @@ Other memory: </table> <ul><pre> -nuttx-6.8 2011-08-19 Gregory Nutt <spudmonkey@racsa.co.cr> - - * arch/arm/src/lpc17xx/chip.h: Fix some chip memory configuration errors - for the LPC1764, LPC1756, and LPC1754 (submitted by Li Zhuoy (Lzzy)) - * arch/arm/src/lpc17xx/lpc17_can.h: Revised CAN driver submitted by - Li Zhuoy (Lzzy). The driver now supports both CAN1 and CAN2. - * arch/arm/sim/up_lcd.c: Add a simulated LCD driver. - * configs/stm3210e-eval/nxlines: Added a configuration to build - examples/nxlines. - * arch/graphics: Used apps/examples/nxlines to (finally) verify the NX - trapezoid drawing functions and (wide) line drawing functions. - * arch/rgmp and configs/rgmp. Yu Qiang has ported RGMP to the OMAP4430 (arm) - pandaboard and release the new RGMP 0.3 version. The main changes are: (1) - Separate configs/rgmp/x86 and configs/rgmp/arm configuration directory, and - (2) Extract architecture dependent code in arch/rgmp/include and - arch/rgmp/src into corresponding x86/ and arm/ directories. - * arch/arm/src/kinetis, arch/arm/include/kinetis, configs/kwikstik-k40: - Add a directory structure to support the port to the Kinetis KwikStik-K40. - There is no real substance in the initial check-in; only the directory - structure and skeleton files (Code complete on 8/15/11). - * arch/arm/include/armv7-m, arch/arm/src/armv7-m, etc.: Rename all cortexm3 - directories and files to armv7-m; Change name of of all CORTEXM3 constants - to ARMV7M. This is a major namespace change needed to cleanly support the - ARM Cortex-M4 which is also in the ARMv7 M Series (specifically, ARMv7E-M). - * sched/sig_initialize.c, sig_received.c, and mq_waitirq.c. Fixed several - critical bugs related to signal handling initialization and for signals - the wake up tasks that are waiting to send or receive message queues. In - the first two files, errors would prevent proper allocation of signal-related - structures from interrupt handlers. In the second, there was missing - "clean-up" logic after a signal occurred, leaving the message queue in - a bad state and resulting in PANICs. All are important. (submitted by - hkwilton). - * arch/arm/src/kinetis: Added header files defining all Kinetis registers - and bit fields within all Kinetis registers. - * configs/twr-k60n512: Add support for the Kinetis K60 Tower board - (TWR-K60N512). - * drivers/can.c: Fixe a semaphore overflow problem in the CAN driver - (reported by Li Zhouy (Lzzy)). - * 8/18/2011: The basic port to the FreeScale Kinetics TWR-K60N512 board is - now functional. - * confgs/twr-k60n512: Add Kinetics TWR-K60N512 NSH configuration. - * drivers/analog and include/nuttx/analog: Add ADC driver infrastructure - and TI ADS1255 driver developed and submitted by Li Zhouy (Lzzy)). - * arch/arm/stm32/stm32_sdio.h and drivers/mmcsd/mmcsd.c: Add logic to - multiplex usage of the GPIO pins (contributed by Uros Platise). - * configs/twr-k60n512/nsh: Added and verified a NuttShell (NSH) - configuration for the Freescale, Kinetis TWR-K60N512 board. - -apps-6.8 2011-08-19 Gregory Nutt <spudmonkey@racsa.co.cr> - - * apps/examples/nxlines: Added a test for NX line drawing capabilities. +nuttx-6.9 2011-09-11 Gregory Nutt <spudmonkey@racsa.co.cr> + + * arch/arm/src/kinetis/kinetis_sdhc.c: SDHC driver for Kinetis parts. + Initially check-in is just a crude port of the STM32 SDIO driver. + Much more work is needed. + * graphics/, include/nuttx/nx: Add new NX interfaces for drawing + circles -- both circular outlines and filled circles. + * graphic/nxglib/nxglib_spitline.c: Add a "fudge factor" that eliminates + some problems for rendering nearly horizontal, wide lines. Hmm... + but I suspect this fudge factor also leads to new problems rendering + very thin, nearly horizontal lines. More tuning is needed. + * drivers/analog, include/nuttx/analog, arch/arch/src/lpcxx: (1) Add + updates to the ADS1255 driver, (2) fix errors from my last merge (sorry), + (3) Add DAC infrastructure, (4) add AD5410 DAC driver, and (5) add + LPC17xx ADC and DAC drivers. All contributed by Li Zhuoyi (Lzyy). + * tools/mkexport.sh: Extended the script that implements the top-level + 'make export' logic. The script now also finds and bundles up all of + the architecture-specific header files as well. + * drivers/arch/arm/src/stm32/stm32_i2c.c: Add a reset to the I2C + initialization logic to prevent spurious interrupts when the I2C + interrupts are enabled (submitted by Uros Platise). + * Scripts/makefiles/documents. Several adjustments, corrections and + typo fixes so that NuttX will build correctly on FreeBSD using the + ASH shell (submitted by Kurt Lidl). + * drivers/mtd/flash_eraseall.c: Add a callable function that accepts + the path to a block driver and then erases the underlying FLASH memory + (assuming that the block driver is an MTD driver wrapped in the FTL + layer). Hmmm... this is probably not the best long term solution; + flash_eraseall() should be a user-callable function that operates + one driver interfaces; not an internal, OS function that operates + on directly on block drivers. + * drivers/bch: Fixed some important bugs in the BCH driver (noted by + Li Zhuoyi (Lzyy)). This would have effected any large reads or writes + (larger than the hardware sector size). + * arch/*/src/Makefile: Use of -print-libgcc-file-name to get path to + libgcc.a may select the wrong libgcc.a if a multilib toolchain (like + CodeSourcery) is used. This can be a serious problem and can cause + crashes on Cortex-M3 if the ARM libgcc is used, for example. The fix + is to include ARCHCPUFLAGS on the gcc command line when asking it to + -print-libgcc-file-name. + * lib/time/lib_gmtimer.c: Correct several calculations that could lead + to errors in dates. + * drivers/pm: Add the beginnings of a NuttX power management sub-system. + * arch/arm/src/stm32/stm32_irq.c: Fix a error introduced in 6.8. + Timeout calculation uses clock_settime() instead of clock_gettime(). + Pretty gross error, but actually it works with the side effect of setting + a bad time. + * drivers/mtd/at24xx.c: Driver for I2C-based at24cxx EEPROM submitted by + Li Zhuoyi (Lzyy). + * arch/arm/src/lpc17xx/lpc17_i2c.c: I2C driver for the NXP LPC17xx family + submitted by Li Zhuoyi (Lzyy) + * arch/arm/src/stm32_i2c.c: Correct two issues with the STM32 I2C driver: + (1) Clocking needs to be based on PCLK1, not HCLK and fast speed settings + need some additional bits; and (2) Correct a hang that will occur on + I2C1 if FSMC is also enabled. + * drivers/sensors/lm75.c and include/nuttx/sensors/lm75.h: Add an LM-75 + temperature sensor driver. + * configs/stm3210e-eval/src/up_lm75.c: Add support for the LM-75 on the + STMicro STM3210E-EVAL board. + * sched/clock_gettime.c: Correct an error in the tv_nsec calculation + that happens only config CONFIG_RTC is enabled. + * arch/arm/src/stm32/stm32_i2c.c: Correct some bugs related to waiting + to the I2C STOP condition to be cleared. + +apps-6.9 2011-09-11 Gregory Nutt <spudmonkey@racsa.co.cr> + + * apps/examples/nxlines: Extend the line drawing text to include drawing + of circles. + * apps/system/i2c: Add an I2C test tool that should help to bring up I2C + devices (when it is fully functional). + * apps/nshlib/nsh_timcmds.c: Add the date command that can be used to + show or set the time (only if CONFIG_RTC is set). pascal-1.0 2011-05-15 Gregory Nutt <spudmonkey@racsa.co.cr> @@ -2642,53 +2699,9 @@ buildroot-1.10 2011-05-06 <spudmonkey@racsa.co.cr> </table> <ul><pre> -nuttx-6.9 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> - - * arch/arm/src/kinetis/kinetis_sdhc.c: SDHC driver for Kinetis parts. - Initially check-in is just a crude port of the STM32 SDIO driver. - Much more is needed. - * graphics/, include/nuttx/nx: Add new NX interfaces for drawing - circles -- both circular outlines and filled circles. - * graphic/nxglib/nxglib_spitline.c: Add a "fudge factor" that eliminates - some problems for rendering nearly horizontal, wide lines. - * drivers/analog, include/nuttx/analog, arch/arch/src/lpcxx: (1) Add - updates to the ADS1255 driver, (2) fix errors from my last merge (sorry), - (3) Add DAC infrastructure, (4) add AD5410 DAC driver, and (5) add - LPC17xx ADC and DAC drivers. All contributed by Li Zhuoyi (Lzyy). - * tools/mkexport.sh: Extended the script that implements the top-level - 'make export' logic. The script now also finds and bundles up all of - the architecture-specific header files as well. - * drivers/arch/arm/src/stm32/stm32_i2c.c: Add a reset to the I2C - initialization logic to prevent spurious interrups when the I2C - interrupts are enabled (submitted by Uros Platise). - * Scripts/makefiles/documents. Several adjustments, corrections and - typo fixes so that NuttX will build correctly on FreeBSD using the - ASH shell (submitted by Kurt Lidl). - * drivers/mtd/flash_eraseall.c: Add a callable function that accepts - the path to a block driver and then erases the underlying FLASH memory - (assuming that the block driver is an MTD driver wrapped in the FTL - layer). - * drivers/bch: Fixed some important bugs in the BCH driver (noted by - Li Zhuoyi (Lzyy)). This would have effected any large reads or writes - (larger than the hardware sector size). - * arch/*/src/Makefile: Use of -print-libgcc-file-name to get path to - libgcc.a may select the wrong libgcc.a if a multilib toolchain (like - CodeSourcery) is used. This can be a serious problem and can cause - crashes on Cortex-M3 if the ARM libgcc is used, for example. The fix - is to include ARCHCPUFLAGS on the gcc command line when asking it to - -print-libgcc-file-name. - * lib/time/lib_gmtimer.c: Correct several calculations that could lead - to errors in dates. - * drivers/pm: Add the beginnings of a NuttX power management sub-system. - -apps-6.9 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> +nuttx-6.10 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> - * apps/examples/nxlines: Extend the line drawing text to include drawing - of circles. - * apps/system/i2c: Add an I2C test tool that should help to bring up I2C - devices (when it is fully functional). - * apps/nshlib/nsh_timcmds.c: Add the date command that can be used to - show or set the time (only if CONFIG_RTC is set). +apps-6.10 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> pascal-3.1 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> |