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Diffstat (limited to 'nuttx/Documentation/NuttX.html')
| -rw-r--r-- | nuttx/Documentation/NuttX.html | 187 |
1 files changed, 104 insertions, 83 deletions
diff --git a/nuttx/Documentation/NuttX.html b/nuttx/Documentation/NuttX.html index d3fff7c9b..1a25852be 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: November 5, 2010</p> + <p>Last Updated: November 6, 2010</p> </td> </tr> </table> @@ -785,15 +785,15 @@ This is primarily a bugfix release and includes some important corrections to the code: <ul> <li> - Fixed an important error in the signal trampoline logic. Essentially, - interrupts are re-enabled while the signal handler executes, but the - logic to re-disable the interrupts before returning from the signal - handler trampoline was missing. Under certain circumstances, this - can cause stack corruption. This was discovered by David Hewson on - an ARM9 platform, but since the code has been leveraged, the bug has - been propogated from ARM to Cortex-M3, AVR32, M16C, SH1, ZNEO, eZ80, - Z8, and Z80 -- almost every architecture. The correction has been - incorporated for all architectures but only verified on a few. + Fixed an important error in the signal trampoline logic. Essentially, + interrupts are re-enabled while the signal handler executes, but the + logic to re-disable the interrupts before returning from the signal + handler trampoline was missing. Under certain circumstances, this + can cause stack corruption. This was discovered by David Hewson on + an ARM9 platform, but since the code has been leveraged, the bug has + been propogated from ARM to Cortex-M3, AVR32, M16C, SH1, ZNEO, eZ80, + Z8, and Z80 -- almost every architecture. The correction has been + incorporated for all architectures but only verified on a few. </li> </ul> </p> @@ -801,13 +801,13 @@ Other notable changes in NuttX-5.12 include: <ul> <li> - A complete port for the AVR32 (AT32UC3B0256) is incorporated in the - source tree. Testing of this port is underway now. This release - was made before verifying this port in order to get the important - bugfix in place. + A complete port for the AVR32 (AT32UC3B0256) is incorporated in the + source tree. Testing of this port is underway now. This release + was made before verifying this port in order to get the important + bugfix in place. </li> <li> - Other miscellaneous bugfix and enhancements as noted in the ChangeLog. + Other miscellaneous bugfix and enhancements as noted in the ChangeLog. </li> </ul> </p> @@ -1038,8 +1038,8 @@ </p> <p> Support for <a href="NuttXDemandPaging.html">on-demand paging</a> has been developed for the EA3131. - That support would all execute of a program in SPI FLASH by paging code sections out of SPI flash as needed. - However, as of this writing, I have not had the opportunity to verify this new feature. + That support would all execute of a program in SPI FLASH by paging code sections out of SPI flash as needed. + However, as of this writing, I have not had the opportunity to verify this new feature. </p> </ul> </td> @@ -1231,20 +1231,24 @@ <td><br></td> <td> <p> - <b>NXP LPC1768</b>. - Configurations are available for two boards: + <b>NXP LPC1766 and LPC1768</b>. + Configurations are available for three boards: <ul> <li> - The Nucleus 2G board from <a href="http://www.2g-eng.com/">2G Engineering</a>, and + The Nucleus 2G board from <a href="http://www.2g-eng.com/">2G Engineering</a> (LPC1768), </li> <li> - The mbed board from <a href="http://mbed.org">mbed.org</a> (Contributed by Dave Marples). + The mbed board from <a href="http://mbed.org">mbed.org</a> (LPC1768, Contributed by Dave Marples), and + </li> + <li> + The LPC1766-sTK board from <a href="http://www.olimex.com/">Olimex</a> (LPC1766). </li> </ul> </p> <p> - Both boards feature the NXP LPC1768 MCU and a GNU arm-elf or arm-eabi toolchain* under - either Linux or Cygwin (with native Windows GNU tools or Cygwin-based GNU tools). + The Nucleus 2G and the mbed boards feature the NXP LPC1768 MCU; + the Olimex LPC1766-STK board features an LPC1766. + All use a GNU arm-elf or arm-eabi toolchain* under either Linux or Cygwin (with native Windows GNU tools or Cygwin-based GNU tools). </p> <ul> <p> @@ -1265,6 +1269,11 @@ Support for the mbed board was contributed by Dave Marples and released in NuttX-5.11. </p> <p> + Support for the Olimex-LPC1766 is newly added to NuttX and is still undergoing development, + test, and integration. + Basic support for this board is expected in NuttX-5.13. + </p> + <p> <b>Development Environments:</b> 1) Linux with native Linux GNU toolchain, 2) Cygwin with Cygwin GNU toolchain, or 3) Cygwin with Windows native toolchain (CodeSourcery or devkitARM). A DIY toolchain for Linux @@ -1344,12 +1353,21 @@ <b>STATUS:</b> This port is nearing he completion of development. All code is complete for the basic NuttX port including header files for all AT32UC3* peripherals. - The untested AVR32 code was present in the 5.12 release of NuttX. - Since then, the basic RTOS port has solidified; - the port successfully passes the NuttX OS test (examples/ostest). - A NuttShell (NSH) configuration is in place see the <a href="http://www.nuttx.org/NuttShell.html">NSH User Guide</a>) - and is under test now. - The basic, verified port will be released in NuttX-5.13. + The untested AVR32 code was present in the 5.12 release of NuttX. + Since then, the basic RTOS port has solidified: + <ul> + <li> + The port successfully passes the NuttX OS test (examples/ostest). + </li> + <li> + A NuttShell (NSH) configuration is in place see the <a href="http://www.nuttx.org/NuttShell.html">NSH User Guide</a>). + Testing of that configuration has been postponed (because it got bumped by the Olimex LPC1766-STK port). + Current Status: I think I have a hardware problem with my serial port setup. + There is a good chance that the NSH port is complete and functionality, but I am not yet able to demonstrate that. + At present, I get nothing coming in the serial RXD line (probably because it is configured wrong or I have the MAX232 connected wrong). + </li> + </ul> + The basic, port (including the verified examples/ostest configuration) will be released in NuttX-5.13. A complete port will include drivers for additional AVR32 UC3 devices -- like SPI and USB --- and will be available in a later release, time permitting. </p> @@ -1403,7 +1421,7 @@ <p> <b>STATUS:</b> Initial source files released in nuttx-0.4.2. - At this point, the port has not been integrated; the target cannot be built + At this point, the port has not been integrated; the target cannot be built because the GNU <code>m16c-elf-ld</code> link fails with the following message: </p> <ul> @@ -1891,47 +1909,47 @@ Other memory: <ul><pre> nuttx-5.12 2010-10-26 Gregory Nutt <spudmonkey@racsa.co.cr> - * arch/avr - Add a place to support AVR family processors. - * arch/avr/include/avr32 and arch/avr/src/avr32 - Add support for AVR32 - (all of the AVR32 is a work in progress). - * arch/avr/include/at32uc3 and arch/avr/src/at32uc3 - Add support - for the AVR32 UC3A/B family of AVR32 MCUs. - * confgs/avr32dev1 - Add support for the Atmel AVR32DEV1 board featuring - the AT32UC3B0256 MCU. This board is produced by www.mcuzone.com. - * include/stdlib.h, lib/Makefile, lib/lib_abs.c, lib/lib_labs.c, - lib_labs.c, lib_llabs.c, lib_imaxabs.c - Add abs(), labs(), llabs(), and - imaxabs(). - * Add include/inttypes.h - * arch/hc/src/mc9s12ne64 - This hcs12 port grew a few more files. But it - is still a long way from complete. - * arch/*/src/*/*_sigdeliver.c - Fixed a serious error in the signal - trampoline logic. Essentially, interrupts are re-enabled while the - signal handler executes, but the logic to re-disable the interrupts - before returning from the signal handler trampoline was missing. Under - certain circumstances, this can cause stack corruption. This was - discovered by David Hewson on an ARM9 platform, but since the code - has been leveraged, the bug has been propogated from ARM to Cortex-M3, - AVR32, M16C, SH1, ZNEO, eZ80, Z8, and Z80 -- almost every architecture. - The correction has been incorporated for all architectures but only - verified on a few. + * arch/avr - Add a place to support AVR family processors. + * arch/avr/include/avr32 and arch/avr/src/avr32 - Add support for AVR32 + (all of the AVR32 is a work in progress). + * arch/avr/include/at32uc3 and arch/avr/src/at32uc3 - Add support + for the AVR32 UC3A/B family of AVR32 MCUs. + * confgs/avr32dev1 - Add support for the Atmel AVR32DEV1 board featuring + the AT32UC3B0256 MCU. This board is produced by www.mcuzone.com. + * include/stdlib.h, lib/Makefile, lib/lib_abs.c, lib/lib_labs.c, + lib_labs.c, lib_llabs.c, lib_imaxabs.c - Add abs(), labs(), llabs(), and + imaxabs(). + * Add include/inttypes.h + * arch/hc/src/mc9s12ne64 - This hcs12 port grew a few more files. But it + is still a long way from complete. + * arch/*/src/*/*_sigdeliver.c - Fixed a serious error in the signal + trampoline logic. Essentially, interrupts are re-enabled while the + signal handler executes, but the logic to re-disable the interrupts + before returning from the signal handler trampoline was missing. Under + certain circumstances, this can cause stack corruption. This was + discovered by David Hewson on an ARM9 platform, but since the code + has been leveraged, the bug has been propogated from ARM to Cortex-M3, + AVR32, M16C, SH1, ZNEO, eZ80, Z8, and Z80 -- almost every architecture. + The correction has been incorporated for all architectures but only + verified on a few. pascal-2.0 2009-12-21 Gregory Nutt <spudmonkey@racsa.co.cr> - * Updated to use standard C99 types in stdint.h and - stdbool.h. This change was necessary for compatibility - with NuttX-5.0 (any beyond). + * Updated to use standard C99 types in stdint.h and + stdbool.h. This change was necessary for compatibility + with NuttX-5.0 (any beyond). buildroot-1.8 2009-12-21 <spudmonkey@racsa.co.cr> - * configs/cortexm3-defconfig-4.3.3: Added support for NuttX NXFLAT - tools. - * configs/arm7tdmi-defconfig-4.3.3: Update to arm7tdmi-defconfig-4.2.4. - Also builds NuttX NXFLAT tools. - * configs/m68hc12-defconfig-4.3.3: Update to m68ch11-defconfig. - * configs/m68hc12-defconfig-3.4.6: There are problems building GCC - 4.3.3 for the hc12. - * configs/m32c-defconfig-4.2.4: Added genromfs - * configs/m32c-defconfig-4.3.3: Update to m32c-defconfig-4.2.4 + * configs/cortexm3-defconfig-4.3.3: Added support for NuttX NXFLAT + tools. + * configs/arm7tdmi-defconfig-4.3.3: Update to arm7tdmi-defconfig-4.2.4. + Also builds NuttX NXFLAT tools. + * configs/m68hc12-defconfig-4.3.3: Update to m68ch11-defconfig. + * configs/m68hc12-defconfig-3.4.6: There are problems building GCC + 4.3.3 for the hc12. + * configs/m32c-defconfig-4.2.4: Added genromfs + * configs/m32c-defconfig-4.3.3: Update to m32c-defconfig-4.2.4 </pre></ul> <table width ="100%"> @@ -1945,29 +1963,32 @@ buildroot-1.8 2009-12-21 <spudmonkey@racsa.co.cr> <ul><pre> nuttx-5.13 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> - * lib/lib_strnlen.c -- Added POSIX 2008 strnlen() function. Contributed - by Michael Hrabanek. - * Fix wild, consistent naming error. For some reason, I called the at32uc3* - parts at91uc* everywhere. Fixed by changing lots of files. - * configs/avr32dev1/ostest - The AVR32 port now successfully passes the - examples/ostest. We have a good AVR32 port! - * configs/avr32dev1/nsh - Added a configuration to support the NuttShell - (NSH). As of this writing, here is a problem receiving serial data (this - is, very likely, my hardware setup). - * lib/lib_open.c - Fix an error in fdopen when a valid file desciptor does - not refer to an open file. + * lib/lib_strnlen.c -- Added POSIX 2008 strnlen() function. Contributed + by Michael Hrabanek. + * Fix wild, consistent naming error. For some reason, I called the at32uc3* + parts at91uc* everywhere. Fixed by changing lots of files and directories. + * configs/avr32dev1/ostest - The AVR32 port now successfully passes the + examples/ostest. We have a good AVR32 port! + * configs/avr32dev1/nsh - Added a configuration to support the NuttShell + (NSH). As of this writing, here is a problem receiving serial data (this + is, very likely, my hardware setup). + * lib/lib_open.c - Fix an error in fdopen when a valid file desciptor does + not refer to an open file. + * configs/olimex-lpc1766stk - Add support for the Olimex LPC1766-STK + development board. (Initial check-in is just a clone of the Nucleus-2G + LPC1768 board logic). pascal-2.1 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> buildroot-1.9 2010-xx-xx <spudmonkey@racsa.co.cr> - * configs/arm926t-defconfig-4.3.3: update arm926t-defconfig-4.2.4 - * configs/arm926t-defconfig-nxflat: NXFLAT-only configuration for - arm926 - * toolchain/gdb/gdb.mk - Remove ncurses dependency from gdb_target target. - * toolchain/gdb/gdb.mk - Added --disable-werror to GDB configuration line. - GDB 6.8 won't build because the tarball was released with -Werror enabled and - the build stops on the first warning. + * configs/arm926t-defconfig-4.3.3: update arm926t-defconfig-4.2.4 + * configs/arm926t-defconfig-nxflat: NXFLAT-only configuration for + arm926 + * toolchain/gdb/gdb.mk - Remove ncurses dependency from gdb_target target. + * toolchain/gdb/gdb.mk - Added --disable-werror to GDB configuration line. + GDB 6.8 won't build because the tarball was released with -Werror enabled and + the build stops on the first warning. </pre></ul> |