Last Updated: September 11, 2011
+Last Updated: October 6, 2011
nuttx-6.9 Release Notes: +
nuttx-6.10 Release Notes:
- The 76th release of NuttX, Version 6.9, was made on September 11, 2011, and is available for download from the
+ The 77th release of NuttX, Version 6.10, was made on October 6, 2011, and is available for download from the
SourceForge website.
- Note that release consists of two tarballs: nuttx-6.9.tar.gz and apps-6.9.tar.gz.
+ Note that release consists of two tarballs: nuttx-6.10.tar.gz and apps-6.10.tar.gz.
Both may be needed (see the top-level nuttx/README.txt file for build information)
The change log associated with the release is available here.
Unreleased changes after this release are available in SVN.
@@ -920,63 +920,66 @@
The new features (some still incomplete) include:
date command is now supported (if CONFIG_RTC is defined) that can be used to read and set the RTC.
+ apps/Makefile will now include external directories in the application build.
- Bugfixes, order roughly on decreasing criticality include: + Bugfixes, order roughly on decreasing criticality include the following. + The first two bugs are consider critical.
mq_timedsend() and mq_timedrecieve().
gmtime() and gmtime_r() that could lead to errors in date calculations.
+ fopen() for append modse was not appending.
tv_nsec calculation that happens only config CONFIG_RTC is enabled
+ -print-libgcc-file-name to get path to libgcc.a might select the wrong libgcc.a if a GCC multilib toolchain is used
+ @@ -1471,11 +1474,12 @@ NuttX version 5.4 adds support for the HX8347 LCD on the SAM3U-EK board. This LCD support includes an example using the NX graphics system. + NuttX version 6.10 adds SPI support.
Subsequent NuttX releases will extend this port and add support for SDIO-based SD cards and USB device (and possible LCD support). - These extensions may or may not happen by the Nuttx 5.5 release as my plate is kind of full now. + These extensions may or may not happen soon as my plate is kind of full now.
Development Environments: @@ -2585,87 +2589,102 @@ Other memory:
-nuttx-6.9 2011-09-11 Gregory Nutt <spudmonkey@racsa.co.cr>
+nuttx-6.10 2011-10-06 Gregory Nutt <gnutt@nuttx.org>
- * 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.
+ * lib/stdio/lib_fopen.c: Fix an error in fopen(); the file pointer was not
+ being positioned at the end of the file when the "a" and "a+" modes are
+ used. There are other issues with the "a+" modes (see the top-level TODO
+ list).
+ * drivers/usbdev/cdc_serial.c and include/nuttx/usb/cdc.h and cdc_serial.h:
+ Add support for the CDC ACM serial device class.
+ * fs/fat/fs_fat32.c: Fix a critical bug in the write logic: It a tiny write
+ cross a sector boundary, then two sector writes will occur. The first part
+ in the first sector may be written to the wrong sector number.
+ * fs/fat/fs_fat32util.c: Fix a stray write into the FAT (always sector 964 on
+ FAT32). This bug will cause some lost chains. I'm sure this bug could
+ corrupt files but at present, the only thing I have seen is that before
+ fixing this bug, the Windows chkdsk utility would report these lost chains.
+ * arch/arm/src/stm32/stm32_i2c.c: Driver can now operate in a faster polled
+ mode (at the expense of using more cpu cycles).
+ * arch/arm/src/stm32/stm32_i2c.c: Add trace debug capability. Enabled with
+ CONFIG_I2C_TRACE.
+ * arch/arm/src/stm32/stm32_i2c.c: Fix another bug where I2C conflicts with FSMC
+ being enabled. That time at the tail end of the transaction where there is
+ an unfinished stop condition.
+ * sched/mq_timedreceive.c and sched/mq_timedsend.c: The count of threads
+ waiting on the message queues was not being decremented after a timeout.
+ This would cause the accounting logic to become out of sync and the, perhaps,
+ an assertion to be triggered. This is an important bug and fixes a
+ potential crash when using mq_timedreceived() and mq_timedsend().
+ * sched/mq_sndinternal.c: Related to the above, the send logic was incrementing
+ the wrong counter when it waited as part of the mq_timedsend.c logic.
+ * fs/fat: Fix an error in the long file name logic: If the long file name
+ is an even multiple of 13 bytes in length, then it should not include a
+ NULL terminating character. Fix contributed by Kaushal Parikh.
+ * configs/sim/nx11: Created a separate configuration to build the NX
+ example using the a simulated framebuffer driver on an X11 window. This
+ example has been verified on Ubuntu 9.09 (it does not work on Cygwin).
+ * arch/sim/src/up_touchscreen.c and up_x11eventloop.c: Adds support for a
+ simulated NuttX touchscreen device using mouse/pointer feedback from an
+ x11 window.
+ * configs/sim/touchscreen: Adds a configuration to verify the simulated
+ touchscreen driver (Does not work on Cygwin).
+ * configs/sam3u/touchscreen: This is the configuration that I plan to use
+ to verify the SAM3U-EK touchscreen driver. However, as of this writing,
+ there is no touchscreen driver for the board.
+ * CONFIG_RTC_HIRES: Add an option to support either a high-resolution RTC
+ that completely replaces the system timer tick but may overflow and lose
+ time when the MCU is off and also for a low-resolution (1 sec/tick) RTC
+ that can run until 2106 with no overflow. But in this latter case, higher
+ resolution time must come from the system timer.
+ * CONFIG_SYSTEM_UTC: Removed support for the UTC system timer. It just
+ doesn't do enough to be worth the CPU cycles or the complexity.
+ * CONFIG_SYSTEM_TIME16: Added support for an optional 64-bit system timer.
+ * fs/fat/fs_fat32util.c: Add support for FAT date/time stamps; Enabled via
+ CONFIG_FS_FATTIME.
+ * arch/arm/src/sam3u/sam3u_spi.c: Add an SPI driver for the AT91SAM3U.
+ * drivers/input/ads7843e.c and include/nuttx/input/ads7843e.h: Add a
+ driver for the TI ADS7843E touchscreen controller.
+ * fs/nxffs/nxffs_open.c: Fix an error when a file is open for writing; since
+ the file will get deleted it is already exists, there must be a check if
+ there are other open references to the file.
+ * arch/arm/src/stm32/stm32_sdio.c: Fixed an error where during SDHC
+ initialization interrupts were not being re-enabled. Caused more subtle
+ errors than you would think.
+ * arch/arm/src/stm32/stm32_i2c.c: Fixed an error where I2C timeouts appeared
+ to be successful transfers.
+ * configs/sim/nsh2: Add another simulated NSH configuration. This one
+ supports X11 graphics, C++, and exercises graphic functions as built-in
+ commands.
-apps-6.9 2011-09-11 Gregory Nutt <spudmonkey@racsa.co.cr>
+apps-6.10 2011-10-06 Gregory Nutt <gnutt@nuttx.org>
- * 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/system/i2c: Add repitition and address auto-incrementing so that
+ and command can be executed numerous times. Add a new verify command
+ that will write to a register, read from register, and verify that
+ returned value.
+ * apps/graphics/tiff: Add a library that can be used to create TIFF files.
+ * apps/examples/tiff: Add a unit test for the TIFF file creation logic
+ * apps/examples/lcdrw: Add a test to verify if you can or can or read
+ data from an LCD correctly.
+ * apps/examples/usbterm: A USB terminal example.. more of a USB chat or
+ serial bridge: Data received on local console echoed via USB serial;
+ data received on USB serial is echoed on the local console.
+ * apps/examples/touchscreen: Add a simple, generic test for any
+ touschscreen driver.
+ * Makefile: The apps/ Makefile now checks for an apps/external directory
+ or symbolic link. If such a directory/link exists (and has a Makefile),
+ it will be added to the apps/ build. This allows external directories
+ to be included into the apps/ build by simply creating a symbolic link.
-pascal-1.0 2011-05-15 Gregory Nutt <spudmonkey@racsa.co.cr>
+pascal-1.0 2011-05-15 Gregory Nutt <gnutt@nuttx.org>
* nuttx/: The Pascal add-on module now installs and builds under the
apps/interpreters directory. This means that the pascal-2.1 module is
incompatible with will all releases of NuttX prior to nuttx-6.0 where the
apps/ module was introduced.
-buildroot-1.10 2011-05-06 <spudmonkey@racsa.co.cr>
+buildroot-1.10 2011-05-06 <gnutt@nuttx.org>
* Add patch submitted by Dimiter Georgiev to work around problems in building
GDB 6.8 with versions of Cygwin > 1.7.
@@ -2699,13 +2718,13 @@ buildroot-1.10 2011-05-06 <spudmonkey@racsa.co.cr>
-nuttx-6.10 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> +nuttx-6.11 2011-xx-xx Gregory Nutt <gnutt@nuttx.org> -apps-6.10 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> +apps-6.11 2011-xx-xx Gregory Nutt <gnutt@nuttx.org> -pascal-3.1 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> +pascal-3.1 2011-xx-xx Gregory Nutt <gnutt@nuttx.org> -buildroot-1.11 2011-xx-xx <spudmonkey@racsa.co.cr> +buildroot-1.11 2011-xx-xx <gnutt@nuttx.org>