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nuttx/ChangeLog
patacongo 26a0534734 Updated for 0.3.5 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@452 42af7a65-404d-4744-a932-0658087f49c3
2007-12-18 20:03:03 +00:00

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0.1.0 2007-03-09 Gregory Nutt <spudmonkey@racsa.co.cr>
* Initial Release
* Support for Linux user mode simulation and TI
TMS320C5471 (Arm7) provided
0.1.1 2007-03-14 Gregory Nutt <spudmonkey@racsa.co.cr>
* Corrected an error in interrupt level context switching
for C5471
* Added fgets() and gets() logic; verified c5471 console read.
* Corrected error in reading from the C5471 serial port:
Improper use of semaphore can cause deadlock.
* Fixed an error in the memory cleanup: The idle task
cannot take sempahores (because it must always be ready
to run).
* Tasks can now accept a configurable maximum number of
input parameters (argc)
* _task_init() was divided into separate functions that
require fewer parameters. This was necessary to keep
the stack usage down for the 8051/2 (which has only
256 bytes of stack).
* Attempts to use C5471 console from interrupt handlers
can cause errors. Added a special path for this case.
* Refuse calls to sem_wait and sem_trywait from interrupt
handlers. This was happening because interrupt handlers
were calling printf-like functions.
* Added strtok() and strtok_r()
* Added a simple shell called nsh (see examples/nsh).
* Platform support for 8052 is complete but not stable
when the timer interrupt is enabled. Seems to be an
issue when SP enters indirect address space.
* Documentation updates
0.1.2 2007-03-19 Gregory Nutt <spudmonkey@racsa.co.cr>
* Add dirent.h, opendir(), readdir(), closedir(), etc.
* Add strerror()
* Added 'ls' command to nsh
* Added C5471 watchdog driver
* Fixed another bug where free() is called from IDLE task.
Can't do this; the caller must be able to wait for access
to memory.
* Fixed bugs associated with debug output:
Cannot do dbg() in middle of context switch logic.
because it may require use of semaphores and cause
additional context switches. lldbg() is safe.
* Interrupt must be disabled throughout all context switches.
* Separated C5471 serial driver; a shareable part is
in drivers/. ; the C5471 specific part is in arch/C5471.
serial.h defines the interface.
* Fixed mq_receive() and mq_send() -- bad memcpy()
* Fixed C5471 signal deliver logic: use of dbg() and
other actions by use signal handler can alter errno.
need to protect errno during signal handling.
* Fixed uninitialized variable in filesystem that could
cause various problems
* Added a test for roundrobin scheduler.
0.2.1 2007-03-22 Gregory Nutt <spudmonkey@racsa.co.cr>
* Fix error in handing signed decimal in vsprintf().
* Major restructuring of header files to get closer to
POSIX compliance.
* Eliminate compilation warnings that that crept into
recent check-ins
* Add kill()
* Added support for POSIX timers
* Some Documentation updates
* Added support for the Neuros OSD / DM320
0.2.2 2007-03-26 Gregory Nutt <spudmonkey@racsa.co.cr>
* Created the configs/ directory; separated board configuration
from processor architecture logic
* Add memory leak detection test to examples/ostest
* Corrected memory leak in OS pthread join logic
* Corrected memory leaks in examples/ostest due to failures
to join or detach from pthreads.
* Added pthread_once(), pthread_kill(), pthread_sigmask()
* Added pthread_barrierattr_*() APIs
* Added pthread_barrier_init(), pthread_barrier_destroy(), and
pthread_barrier_wait();
* Added pthread barrier test
* Added protection so that errno cannot be modified from
interrupt handling.
* sched_setparam(), sched_setscheduler() now correctly set
errno; pthread_setscheduler() now returns the correct errno.
* Added pthread_setschedprio().
* Added directories to hold board-specific header files
* Added directories to hold board-specific drivers
0.2.3 2007-03-29 Gregory Nutt <spudmonkey@racsa.co.cr>
* mq_receive and mq_send now return errno's appropriately
* mq_receive and mq_send are now correctly awakened by signals.
* Fixed an unmatched sched_lock/unlock pair in task_delete().
* sched_lock must be called in _exit() because operation of
task_delete() can cause pending tasks to be merged and a
context switch to occur.
* Added mq_timedreceive() and mq_timedsend()
* signal mask is now inherited by both child tasks and threads.
* Improved sharebility of stdout among pthreads (only). Nothing
was broken, but by moving the mutual exclusion logic to a
higher level, the printf output is more readable.
* Fixed a bug in file system cleanup: A list was being deleted
before the buffers contained in the list.
* Fixed a bug in the wait-for-message-queue-not-empty logic.
* Added a test of timed mqueue operations; detected and corrected
some mqueue errors.
* Identified and corrected a race condition associated with
pthread_join. In the failure condition, memory was being
deallocated while still in use.
0.2.4 2007-04-28 Gregory Nutt <spudmonkey@racsa.co.cr>
* Verfied c5471 build under Cygwin on WinXP
* Makesystem changes to better support different SoCs.
* Made arch/c5471/include and arch/dm320/include identical in
preparation for merging into arch/arm
* Logic from arch/c5471 and arch/dm320 combined into arch/arm.
arch/c5471 and arch/dm320 are deprecated and will be removed
when the new c5471 and dm320 logic is verified.
0.2.5 2007-05-19 Gregory Nutt <spudmonkey@racsa.co.cr>
* Corrected some build/configuration issues introduced with the
last release.
* Added support for the NXP 214x processor on the mcu123.com lpc214x
development board (untested)
* Added support for block devices.
* Simulated target now exports a VFAT filesystem
* Begin support for VFAT filesystem (missing functionalit)
* Added mount() and umount()
* Fix bug in memcmp return value
* Fix errors in timeslice calculation (several places)
* Added missing irqrestore() in timer_deletall().
* close() was not closing the underlying device.
* Added fsync()
* Added strspn() and strcspn()
0.2.6 2007-05-26 Gregory Nutt <spudmonkey@racsa.co.cr>
* Added unlink(), mkdir(), rmdir(), and rename()
* Fixed several serious FAT errors with oflags handling (&& instead of &)
* Added FAT support for unlink(), mkdir(), rmdir(), and rename
* Added FAT support for opendir(), closedir(), readdir(), seekdir(),
telldir(), rewindir().
* Fixed ARM compilation errors introduced in 0.2.5 (that is what I get
for only testing on the simulation).
0.2.7 2007-06-09 Gregory Nutt <spudmonkey@racsa.co.cr>
* Added stat() to fs layer and to FAT
* Fixed reference counting errors associated with mounted filesystems
* Added fat_getattrib() and fat_setattrib()
* Added statfs() to fs layer and to FAT
* Correct file name extension in tools/zipme.sh
* Fix error in dependencies in 8051/2 Makefile
* sched/Makefile: Don't build sleep() or usleep() if signals are disabled
* sched/sched_setparam.c: Remove redundant disabling of interrupts
* sched/usleep.c: Fixed nsec calculation
* lib/lib_strcspn.c: Function incorrectly named strspn().
* examples/ostest/main.c: Errors in SDCC version of a memcpy() call
* examples/ostest/sighand.c: Don't call fflush() if streams are disabled
* include/limits.h, include/time.h, sched/clock_internal.h: A support for
using selectable system timer frequency.
* Fixed error in mountpoint related conditional compilation introduced
in 0.2.5
* Restructured some Makefiles to better handle enabling and disabling
NuttX features without having so much conditional compilation in the
source files.
* tools/mkconfig.c: No longer depends on asprintf() and _GNU_SOURCE and
so should now build in non-GNU, non-GLIBC environments.
* include/nuttx/compiler.h: Fix for using SDCC with the Z80.
* include/assert.h & arch/pjrc-8051/src/up_assert.c: SDCC does support
__FILE__and __LINE__ (not tested)
* examples/ostest/barrier.c: Don't call usleep() when signals are
disabled.
0.2.8 2007-07-02 Gregory Nutt <spudmonkey@racsa.co.cr>
* tools/Makefile.mkconfig: Under Cygwin, executable has a different name
* tools/mkdeps.sh & arch/arm/src/Makefile: Corrected a problem makeing dependencies
* tools/zipme.sh: Force directory name to be nuttx-xx.yy.zz
* fs/fs_opendir.c: Correct errors in semaphore usage that can cause deadlock.
* lib/lib_getopt.c: Added getopt() support
* examples/nsh/: NSH now supports cat, mount, umount, and mkdir. ls supports
-l -s, and -R
* Added basic OS support to manage environment variables: environment
storage, cloning on task creation, sharing on pthread creation, destruction
on thread/task exit.
* Add environment variables APIs: environ, getenv, putenv, clearenv, setenv,
unsetenv
* Correct an error in realloc() when the block is extended "down" in memory.
In this case, the old memory contents need to be copied to the new location
and an allocated bit was not being set.
* examples/ostest/: Added an environment variable test.
* examples/nsh/: Break into several files.
* lib/: Added strrchr, basename, dirname
* examples/nsh/: Add cp, rm, rmdir, set, unset commands. echo will now print
environment variables.
0.3.0 2007-11-06 Gregory Nutt <spudmonkey@racsa.co.cr>
* Imported uIP into the tree (see
http://www.sics.se/~adam/uip/index.php/Main_Page)
* Adding socket(), bind(), connect()
* Added snprintf()
* Added send() and sendto(); integrate write() and close() with socket descriptors.
* Added recv() and recvfrom().
* Added getsockopt() and setsockopt()
* Documentation updated to address socket interfaces.
* Implemented receive timeouts via setsockopt(SO_RCVTIMEO).
* Provide support for multiple network devices
* Implement socket ioctl() calls to set addresses
* Added listen() and accept()
* Added DM90x0 ethernet driver
* ARP timer is now built into the network layer
* Basic client functionality verified: TCP socket(), bind(), connect(), recv(), send().
0.3.1 2007-11-19 Gregory Nutt <spudmonkey@racsa.co.cr>
* Separated net/uip/uip.c into several functions in several files.
* Corrected a TCP problem where packets were dropped because there was no
recv() in place but the packet was being ACKed. There are still TCP
recv buffering issues, but this is part of a larger buffering issue.
* Basic server functionality verified: TCP listen(), accept()
* Fix DM90x0 driver problem that caused TX overruns
* Add strncmp()
* Added TCP/IP read-ahead buffer to minimize failed ACKs and packet loss.
0.3.2 2007-11-23 Gregory Nutt <spudmonkey@racsa.co.cr>
* Add strcat() and strncat()
* Integrated uIP micro webserver
* Corrected a serious bug in TCP queue management
* Fix leak in socket close logic
* Add TX notification to driver so that it can respond faster to
the availability of TX data.
* Moved urgent data info into device structure.
* TCP and ICMP protocols can now be disabled.
* Added UDP test in examples/udp
* Verified/debugged UDP socket(), bind(), sendto() and recvfrom() logic
using examples/udp
* recvfrom() and accept() now correctly return the remote address.
* Fixed computation error in ntohl().
0.3.3 2007-11-28 Gregory Nutt <spudmonkey@racsa.co.cr>
* Removed unused uIP files
* sched/, mm/, and net/ subystem debug can not be selectively enabled/disabled
* Correct socket close logic -- needs to disconnect TCP socket on close
* uIP webserver now seems to be fully functional
* fs/ and lib/ subystem debug can not be selectively enabled/disabled
* Added vsnprintf
* Integrated uIP telnetd
* Add missing logic to readahead buffer logic
* examples/nettest uses larger buffers
* Improved ACK handling in send() to better hander deferred acknowledgements
and polling intervals. Greatly improves send performance.
0.3.4 2007-12-10 Gregory Nutt <spudmonkey@racsa.co.cr>
* Added and partially verified DHCP server logic (netutils/dhcpd)
* Fix BROADCAST=y compilation problems
* Fix UDP recvfrom timeout bug
* Correct processing of input UDP broadcast packets.
* Verfied basic DHCP client functionality (netutils/dhcpc)
* Implemented send() timeout logic
* Added and verifed a TELNETD front end to NSH (examples/nsh)
* Add a skeleton Ethernet device driver (drivers/net/skeleton.c)
* Added C5471 Ethernet device driver (arch/arm/src/c5471/c5471_ethernet.c)
* Found and fixed several problems in uIP when compiled for ARM with optimization.
0.3.5 2007-12-18 Gregory Nutt <spudmonkey@racsa.co.cr>
* Added inet_ntoa() and ether_ntoa()
* Added netdev_foreach() to support traversal of registered network devices
* Added support for 'ifconfig' command to NSH (examples/nsh)
* Moved MAC and ethernet definitions to net/ethernet.h
* Fix sim and DM90x0 compilation errors introduced in 0.3.4
* Fixed errors in C5471 configuration files for examples/uip
* Modified DHCPC (netutils/dhcpc) so that it should work in environments where
there are more than one DHCPD server.
* NSH ifconfig command now shows uIP status was well (examples/nsh)
0.3.6 2007-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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