485 lines
22 KiB
Plaintext
485 lines
22 KiB
Plaintext
0.1.0 2007-03-09 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Initial Release
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* Support for Linux user mode simulation and TI
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TMS320C5471 (Arm7) provided
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0.1.1 2007-03-14 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Corrected an error in interrupt level context switching
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for C5471
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* Added fgets() and gets() logic; verified c5471 console read.
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* Corrected error in reading from the C5471 serial port:
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Improper use of semaphore can cause deadlock.
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* Fixed an error in the memory cleanup: The idle task
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cannot take sempahores (because it must always be ready
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to run).
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* Tasks can now accept a configurable maximum number of
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input parameters (argc)
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* _task_init() was divided into separate functions that
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require fewer parameters. This was necessary to keep
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the stack usage down for the 8051/2 (which has only
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256 bytes of stack).
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* Attempts to use C5471 console from interrupt handlers
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can cause errors. Added a special path for this case.
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* Refuse calls to sem_wait and sem_trywait from interrupt
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handlers. This was happening because interrupt handlers
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were calling printf-like functions.
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* Added strtok() and strtok_r()
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* Added a simple shell called nsh (see examples/nsh).
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* Platform support for 8052 is complete but not stable
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when the timer interrupt is enabled. Seems to be an
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issue when SP enters indirect address space.
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* Documentation updates
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0.1.2 2007-03-19 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Add dirent.h, opendir(), readdir(), closedir(), etc.
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* Add strerror()
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* Added 'ls' command to nsh
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* Added C5471 watchdog driver
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* Fixed another bug where free() is called from IDLE task.
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Can't do this; the caller must be able to wait for access
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to memory.
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* Fixed bugs associated with debug output:
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Cannot do dbg() in middle of context switch logic.
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because it may require use of semaphores and cause
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additional context switches. lldbg() is safe.
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* Interrupt must be disabled throughout all context switches.
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* Separated C5471 serial driver; a shareable part is
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in drivers/. ; the C5471 specific part is in arch/C5471.
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serial.h defines the interface.
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* Fixed mq_receive() and mq_send() -- bad memcpy()
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* Fixed C5471 signal deliver logic: use of dbg() and
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other actions by use signal handler can alter errno.
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need to protect errno during signal handling.
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* Fixed uninitialized variable in filesystem that could
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cause various problems
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* Added a test for roundrobin scheduler.
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0.2.1 2007-03-22 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Fix error in handing signed decimal in vsprintf().
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* Major restructuring of header files to get closer to
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POSIX compliance.
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* Eliminate compilation warnings that that crept into
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recent check-ins
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* Add kill()
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* Added support for POSIX timers
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* Some Documentation updates
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* Added support for the Neuros OSD / DM320
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0.2.2 2007-03-26 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Created the configs/ directory; separated board configuration
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from processor architecture logic
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* Add memory leak detection test to examples/ostest
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* Corrected memory leak in OS pthread join logic
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* Corrected memory leaks in examples/ostest due to failures
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to join or detach from pthreads.
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* Added pthread_once(), pthread_kill(), pthread_sigmask()
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* Added pthread_barrierattr_*() APIs
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* Added pthread_barrier_init(), pthread_barrier_destroy(), and
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pthread_barrier_wait();
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* Added pthread barrier test
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* Added protection so that errno cannot be modified from
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interrupt handling.
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* sched_setparam(), sched_setscheduler() now correctly set
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errno; pthread_setscheduler() now returns the correct errno.
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* Added pthread_setschedprio().
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* Added directories to hold board-specific header files
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* Added directories to hold board-specific drivers
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0.2.3 2007-03-29 Gregory Nutt <spudmonkey@racsa.co.cr>
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* mq_receive and mq_send now return errno's appropriately
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* mq_receive and mq_send are now correctly awakened by signals.
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* Fixed an unmatched sched_lock/unlock pair in task_delete().
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* sched_lock must be called in _exit() because operation of
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task_delete() can cause pending tasks to be merged and a
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context switch to occur.
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* Added mq_timedreceive() and mq_timedsend()
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* signal mask is now inherited by both child tasks and threads.
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* Improved sharebility of stdout among pthreads (only). Nothing
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was broken, but by moving the mutual exclusion logic to a
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higher level, the printf output is more readable.
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* Fixed a bug in file system cleanup: A list was being deleted
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before the buffers contained in the list.
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* Fixed a bug in the wait-for-message-queue-not-empty logic.
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* Added a test of timed mqueue operations; detected and corrected
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some mqueue errors.
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* Identified and corrected a race condition associated with
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pthread_join. In the failure condition, memory was being
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deallocated while still in use.
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0.2.4 2007-04-28 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Verfied c5471 build under Cygwin on WinXP
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* Makesystem changes to better support different SoCs.
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* Made arch/c5471/include and arch/dm320/include identical in
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preparation for merging into arch/arm
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* Logic from arch/c5471 and arch/dm320 combined into arch/arm.
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arch/c5471 and arch/dm320 are deprecated and will be removed
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when the new c5471 and dm320 logic is verified.
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0.2.5 2007-05-19 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Corrected some build/configuration issues introduced with the
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last release.
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* Added support for the NXP 214x processor on the mcu123.com lpc214x
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development board (untested)
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* Added support for block devices.
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* Simulated target now exports a VFAT filesystem
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* Begin support for VFAT filesystem (missing functionalit)
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* Added mount() and umount()
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* Fix bug in memcmp return value
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* Fix errors in timeslice calculation (several places)
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* Added missing irqrestore() in timer_deletall().
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* close() was not closing the underlying device.
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* Added fsync()
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* Added strspn() and strcspn()
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0.2.6 2007-05-26 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Added unlink(), mkdir(), rmdir(), and rename()
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* Fixed several serious FAT errors with oflags handling (&& instead of &)
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* Added FAT support for unlink(), mkdir(), rmdir(), and rename
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* Added FAT support for opendir(), closedir(), readdir(), seekdir(),
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telldir(), rewindir().
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* Fixed ARM compilation errors introduced in 0.2.5 (that is what I get
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for only testing on the simulation).
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0.2.7 2007-06-09 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Added stat() to fs layer and to FAT
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* Fixed reference counting errors associated with mounted filesystems
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* Added fat_getattrib() and fat_setattrib()
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* Added statfs() to fs layer and to FAT
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* Correct file name extension in tools/zipme.sh
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* Fix error in dependencies in 8051/2 Makefile
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* sched/Makefile: Don't build sleep() or usleep() if signals are disabled
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* sched/sched_setparam.c: Remove redundant disabling of interrupts
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* sched/usleep.c: Fixed nsec calculation
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* lib/lib_strcspn.c: Function incorrectly named strspn().
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* examples/ostest/main.c: Errors in SDCC version of a memcpy() call
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* examples/ostest/sighand.c: Don't call fflush() if streams are disabled
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* include/limits.h, include/time.h, sched/clock_internal.h: A support for
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using selectable system timer frequency.
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* Fixed error in mountpoint related conditional compilation introduced
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in 0.2.5
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* Restructured some Makefiles to better handle enabling and disabling
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NuttX features without having so much conditional compilation in the
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source files.
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* tools/mkconfig.c: No longer depends on asprintf() and _GNU_SOURCE and
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so should now build in non-GNU, non-GLIBC environments.
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* include/nuttx/compiler.h: Fix for using SDCC with the Z80.
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* include/assert.h & arch/pjrc-8051/src/up_assert.c: SDCC does support
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__FILE__and __LINE__ (not tested)
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* examples/ostest/barrier.c: Don't call usleep() when signals are
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disabled.
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0.2.8 2007-07-02 Gregory Nutt <spudmonkey@racsa.co.cr>
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* tools/Makefile.mkconfig: Under Cygwin, executable has a different name
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* tools/mkdeps.sh & arch/arm/src/Makefile: Corrected a problem makeing dependencies
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* tools/zipme.sh: Force directory name to be nuttx-xx.yy.zz
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* fs/fs_opendir.c: Correct errors in semaphore usage that can cause deadlock.
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* lib/lib_getopt.c: Added getopt() support
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* examples/nsh/: NSH now supports cat, mount, umount, and mkdir. ls supports
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-l -s, and -R
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* Added basic OS support to manage environment variables: environment
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storage, cloning on task creation, sharing on pthread creation, destruction
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on thread/task exit.
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* Add environment variables APIs: environ, getenv, putenv, clearenv, setenv,
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unsetenv
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* Correct an error in realloc() when the block is extended "down" in memory.
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In this case, the old memory contents need to be copied to the new location
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and an allocated bit was not being set.
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* examples/ostest/: Added an environment variable test.
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* examples/nsh/: Break into several files.
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* lib/: Added strrchr, basename, dirname
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* examples/nsh/: Add cp, rm, rmdir, set, unset commands. echo will now print
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environment variables.
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0.3.0 2007-11-06 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Imported uIP into the tree (see
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http://www.sics.se/~adam/uip/index.php/Main_Page)
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* Adding socket(), bind(), connect()
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* Added snprintf()
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* Added send() and sendto(); integrate write() and close() with socket descriptors.
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* Added recv() and recvfrom().
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* Added getsockopt() and setsockopt()
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* Documentation updated to address socket interfaces.
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* Implemented receive timeouts via setsockopt(SO_RCVTIMEO).
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* Provide support for multiple network devices
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* Implement socket ioctl() calls to set addresses
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* Added listen() and accept()
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* Added DM90x0 ethernet driver
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* ARP timer is now built into the network layer
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* Basic client functionality verified: TCP socket(), bind(), connect(), recv(), send().
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0.3.1 2007-11-19 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Separated net/uip/uip.c into several functions in several files.
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* Corrected a TCP problem where packets were dropped because there was no
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recv() in place but the packet was being ACKed. There are still TCP
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recv buffering issues, but this is part of a larger buffering issue.
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* Basic server functionality verified: TCP listen(), accept()
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* Fix DM90x0 driver problem that caused TX overruns
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* Add strncmp()
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* Added TCP/IP read-ahead buffer to minimize failed ACKs and packet loss.
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0.3.2 2007-11-23 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Add strcat() and strncat()
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* Integrated uIP micro webserver
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* Corrected a serious bug in TCP queue management
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* Fix leak in socket close logic
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* Add TX notification to driver so that it can respond faster to
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the availability of TX data.
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* Moved urgent data info into device structure.
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* TCP and ICMP protocols can now be disabled.
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* Added UDP test in examples/udp
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* Verified/debugged UDP socket(), bind(), sendto() and recvfrom() logic
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using examples/udp
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* recvfrom() and accept() now correctly return the remote address.
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* Fixed computation error in ntohl().
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0.3.3 2007-11-28 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Removed unused uIP files
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* sched/, mm/, and net/ subystem debug can not be selectively enabled/disabled
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* Correct socket close logic -- needs to disconnect TCP socket on close
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* uIP webserver now seems to be fully functional
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* fs/ and lib/ subystem debug can not be selectively enabled/disabled
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* Added vsnprintf
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* Integrated uIP telnetd
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* Add missing logic to readahead buffer logic
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* examples/nettest uses larger buffers
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* Improved ACK handling in send() to better hander deferred acknowledgements
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and polling intervals. Greatly improves send performance.
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0.3.4 2007-12-10 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Added and partially verified DHCP server logic (netutils/dhcpd)
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* Fix BROADCAST=y compilation problems
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* Fix UDP recvfrom timeout bug
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* Correct processing of input UDP broadcast packets.
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* Verfied basic DHCP client functionality (netutils/dhcpc)
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* Implemented send() timeout logic
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* Added and verifed a TELNETD front end to NSH (examples/nsh)
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* Add a skeleton Ethernet device driver (drivers/net/skeleton.c)
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* Added C5471 Ethernet device driver (arch/arm/src/c5471/c5471_ethernet.c)
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* Found and fixed several problems in uIP when compiled for ARM with optimization.
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0.3.5 2007-12-18 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Added inet_ntoa() and ether_ntoa()
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* Added netdev_foreach() to support traversal of registered network devices
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* Added support for 'ifconfig' command to NSH (examples/nsh)
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* Moved MAC and ethernet definitions to net/ethernet.h
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* Fix sim and DM90x0 compilation errors introduced in 0.3.4
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* Fixed errors in C5471 configuration files for examples/uip
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* Modified DHCPC (netutils/dhcpc) so that it should work in environments where
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there are more than one DHCPD server.
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* NSH ifconfig command now shows uIP status was well (examples/nsh)
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0.3.6 2008-01-06 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Changes for use with SDCC compiler
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* Added a simulated z80 target
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* Fix deadlock errors when using stdio but with no buffering
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* Add support for Pascal P-Code interpreter
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0.3.6.1 2008-01-07 Gregory Nutt <spudmonkey@racsa.co.cr>
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* The initial 0.3.6 release including an error that prevented
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building successfully if the Pascal add-on was
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was not present.
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0.3.7 2008-01-31 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Added support for the Zilog Z16F using the Zilog Z16F2800100ZCOG
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Development Kit.
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* Add support toolchains that do not support making of dependencies
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* Fix Cygwin build with spaces in directory names
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* Name make system changes to deal with non-GNU toolchains (i.e., Zilog)
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* Add support for Windows native toolchains that cannot follow Cygwin soft links
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* Modified serial driver interface to handle hardware with non-16550A-like
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interrupt architecture (like the Z16F)
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* Added a "dumb" serial console driver to simplify OS bringup
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* Corrected a bug that caused the errno value of one task to be clobbered
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when a different task exits. Effects all architectures.
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0.3.8 2008-02-10 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Added a test case to verify the Pascal P-Code interpreter
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* Added /dev/zero
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* 'errno' is now defined to be *get_errno_ptr() with no name conflicts
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* Added lseek() and fseek()
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* Integrated Pascal interpreter test case on the simulation platform. Needs
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pascal-0.1.1.
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* Add Pascal test case on the z16f platform. Needs pascal-0.1.2 (does not
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yet work due to some tool issues).
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* C buffered I/O fixes:
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- Fix fflush() return value,
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- Add correct fflush behavior when the FILE argument is null.
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- Add logic to a correctly handle read/write access on the same FILE
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- fseek() flushes read/write data when before moving the file pointer
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- When read data is flushed, reposition the file pointer to account for
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buffered, but unread data
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* Pascal P-Code files are now standardized to big-endian for portability
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* Fix a build problem with z80 and SDCC 2.7.0 (format of a map file changed)
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(see bug 1887170)
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* Pascal P-Code runtime now compiles with the SDCC toolchain.
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* Added a generic CAN driver. This driver is untested as of this writing.
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* Corrected DM320 UART configuration problem
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0.3.9 2008-03-09 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Began adding support for the ZiLOG Z8Encore! microcontroller for the Z8Encore000ZCO
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development board and the Z8F6403 part.
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* Fix broken 'clean' target on z80sim configurations
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* Re-structure arch/z80 to provide support for all ZiLOG 8-bit microcontrollers (ez8
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in particular for now).
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* Add support for TRS80-Model 3 based on the xtrs emulation (http://www.tim-mann.org/xtrs.html)
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Per patch from Jacques Pelletier.
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* In all shell scripts, change #!/bin/sh to #!/bin/bash to resolve problems in
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Ubuntu where /bin/sh is a link to dash.
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* Z8Encore! port verified on ZDS-II instruction set/chip simulator.
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0.3.10 2008-05-15 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Add support for the ZiLOG EZ80Acclaim microcontrooler (EZ80F91 chip).
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* Add configuration for the ZiLOG z8f64200100kit development kit, Z8F6423 part.
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* Add configuration for the ZiLOG ez80f0910200kitg development kit, EZ80F091 part.
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* Correct critical list handling errors in task shutdown logic: One in timer
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deletion logic (timer_delete.c) and one in stream logic (lib_init.c) reported
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by kwonsk.
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0.3.11 2008-06-01 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Add support for recursive mutexes.
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* Eliminate a memory leak -- contained watchdog instance was not being
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deleted with a POSIX timer was deleted reported by kwonsk.
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* Eliminate a deadlock condition in opendir() reported by kwonsk.
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* Fix several FAT filesystem problems reported by kwonsk (Changes not yet
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verified).
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* Host simulator no longer uses Linux system calls directly; Now works with Cygwin.
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* Fix an error that occurs when a POSIX timer is deleted by the timer signal handler.
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* Add logic to allow the examples/ostest to be run repetitively as an endurance test.
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* Add a ramdisk block driver
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0.3.12 2008-08-10 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Improved solution to POSIX timer lifetime controls bug fixed in 0.3.11.
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* Add test for recursive mutexes
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* Correct bug in recursive mutex logic
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* Add mkfifo()
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* Add pipe() and test for both pipes and fifos
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* Attempts to open a FIFO will now block until there is at least one writer
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* Add test/Fixed errors in FIFO reader/writer interlocks
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* Removed limitation: task_create() was only dup'ing 3 file descriptors (now
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dups all open file descriptors).
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* Added a test for redirection of stdio through pipes
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* Fixed error in dup and dup2: Must call open/close methods in fs/driver so that
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driver can correctly maintain open reference counts.
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* Same issue on closing file descriptors in exit()
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* Fixed in error in stdio flush logic. Needed ssize_t vs size_t for error
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check.
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* Moved all FAT related files from fs to fs/fat
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* Implemented mkfatfs(), a non-standard API to create a FAT filesystem on a
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block device (not yet tested).
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* Added a test for mkfatfs() on a RAM disk in examples/mount and verified
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basic mkfatfs functionality for FAT12.
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0.3.13 2008-09-01 Gregory Nutt <spudmonkey@racsa.co.cr>
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* NSH: Added mkfatfs, mkfifo, sleep, usleep and nice commands
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* Fixed problem with console input in Cygwin-based simulator; NSH now works
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with simulator.
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* NSH will now execute commands in background
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* sched_get_priority_max/min returned error on SCHED_RR
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* Removed duplicate getenv() implementation in /lib
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* Correct detection of End-of-File in fgets
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* NSH: Implemented sh and crude script handler
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* Fix prototype of read() and write(). Need to use ssize_t and size_t, not
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int and unsigned int.
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* NSH now supports redirection of command output
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* NSH can now use both telnet and serial front ends together
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* NSH: $variable can be used for any command value
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* Fixed an error in opendir() that could cause an assertion to fail
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inappropriately.
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* Correct an error in the FAT that caused files opened for writing with
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O_APPEND to fail. The file was not being properly positioned to the
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end of the file in that case.
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* NSH now supports last exit status $?
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* NSH now supports if-then[-else]-fi construct
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* NSH now supports comments beginning with '#'
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* NSH now supports commands to inspect and modify memory
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* NSH cat command now supports multiple files on command line
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* Add chdir() and getcwd()
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* Fix error in getopt() when called with argc==1
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* Fix error in stat() when used on the root directory
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* NSH: Add cd and pwd commands and current working directory to all NSH
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|
commands that refer to paths.
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* Fix errors and warnings introduced into Linux sim build because of recent
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Cygwin-based sim changes
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* NSH: Add mem command to display heap usage
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|
* Added telnet NSH configuration for Neuros OSD.
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* Basic integration of concurrent telnet/serial NSH functional on Neuros
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OSD.
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* Fixed a critical bug that effects the way that environment variables are
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|
shared amongst pthreads.
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|
* uIP port enhance to support multi-threaded, concurrent socket access. So,
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for example, one thread can be reading from a socket while another is
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writing to the socket.
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0.3.14 2008-09-08 Gregory Nutt <spudmonkey@racsa.co.cr>
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* FAT FS now uses position variable in struct file. This simplifies operations
|
|
like ftell().
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* fseek() needs to discard bytes buffered by ungetc().
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|
* Corrected ftell() return value.
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|
* Added fsetpos() and fgetpos().
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|
* NSH: Now supports 'test' and '[' commands
|
|
* Correct error in send() timeout logic.
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|
* Correct error in multi-threaded socket handling in send() and sendto().
|
|
Outgoing data could overwrite incoming data.
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|
* Add support to uIP for application access to ICMP protocol stacks; Add
|
|
ping request logic.
|
|
* NSH: Add ping command
|
|
* Correct IP checksum calculation in ICMP and UDP message send logic.
|
|
* NSH: Created an HTML document and a more detailed README file describing NSH.
|
|
* Added basic TFTP client logic (netutils/tftpc).
|
|
* NSH: Add get and put commands to support TFTP get and put operations.
|
|
* NSH: Added a mkrd command that will create a RAMDISK that can be formatted
|
|
and mounted.
|
|
* Corrected a critical bug that prevent recvfrom from receiving packets from
|
|
any remote UDP port.
|
|
* NSH: Add hexadecimal dump command (xd)
|
|
* Fixed several critical bugs with regard to fat reading and writing and FAT12
|
|
accesses. Basically the FAT FS only worked with my tiny test files and test
|
|
cases. A lot of stronger FAT tested is needed!!
|
|
* Fixed another FAT bug in implementation of FAT lseek; this prohibit correct
|
|
random access to large files.
|
|
|
|
0.3.15 2008-09-20 Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
* Added support for ROMFS filesystem.
|
|
* Added a simple test the ROMFS filesystem (examples/romfs)
|
|
* NSH: Use ROMFS to provide an option for a start-up script at /etc/init.d/rcS
|
|
* Add definition of BIOC_XIPBASE ioctl and implement in RAM disk block driver.
|
|
This is a low level requirement for eXecute In Place (XIP) support.
|
|
* Add a FIOC_MMAP to perform memory mapping of a file and implemented the
|
|
ioctl command in the ROMFS filesystem. This is a requirement for eXecute
|
|
In Place (XIP) support.
|
|
* Add mmap() API with restricted capability (only for XIP support)
|
|
* Extend ROMFS test at /examples/romfs to verify mmap() and XIP support.
|
|
* Add support for Intel Hex format output using objcopy
|
|
* Completed the basic port of the NXP LPC2148 on the mcu123.com board.
|
|
The basic port includes successful booting, timer interrupts, serial console,
|
|
succesfully passing the examples/ostest, and a NuttShell (NSH) configuration.
|
|
* ARM architectures now support drivers/lowconsole.c
|
|
|
|
0.3.16 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
|
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