Release History

Get the RSS feed of the last changes

Release 1.0.2 - 2010-02-20

Type	Changes	By
	AVR and MyCPU port updated, minor bugfix in function posTaskSetPriority	dkuschel

Release 1.0.1 - 2007-12-08

Type	Changes	By
	ports: MyCPU port added (see http://www.mycpu.eu )	dkuschel

Release 1.0.0 - 2006-05-01

Type	Changes	By
	ports: ARM port re-structured, new processors added	dkuschel
	ports: The ports can now be split into a common and a CPU specific part	dkuschel
	ports: The x86w32-port does no more consume 100% CPU time when pico ] OS is idle.	dkuschel
	nano layer: function nosMemRealloc() added	dkuschel
	nano layer: fixed some compiler warnings in nano layer	dkuschel
	config: fixed some configuration issues in picoos.h and in x86w32 port	dkuschel
	config: "HZ" definition moved from port.h to poscfg.h	dkuschel

Release 0.9.4 - 2005-02-24

Type	Changes	By
	x86w32 port: new functions for simulated hardware interrupts added	dkuschel
	picoos core: assertion macros added for better debugging	dkuschel
	fixed a bug in nano layer initialization	dkuschel
	fixed a NULL pointer write in fu nction posListRemove()	dkuschel

Release 0.9.3 - 2005-02-08

Type	Changes	By
	makefiles changed, output directory structure is now selfexplaining	dkuschel
	makefiles extended to support a modularized software structure	dkuschel
	configuration flag POSCFG_FEATURE_LISTLEN added	dkuschel
	more debugging features added	dkuschel
	the win32 port does now support POSCFG_TASKSTACKTYPE 0/1/2	dkuschel
	void* types exchanged by structure pointers (makes the compiler more sensitive)	dkuschel
	bug fix in nosTaskCreate(): fixed a possible configuration problem	dkuschel

Release 0.9.2 - 2005-01-17

Type	Changes	By
	debugging feature added: POSCFG_FEATURE_DEBUGHELP	dkuschel
	implemented a more flexible scheme to disable interrupts	dkuschel
	some small bug fixes in MS Windows 32Bit port	dkuschel
	some small bug fixes in the example code	dkuschel
	documentation updated, now easier for beginners	dkuschel

Release 0.9.1 - 2005-01-11

Type	Changes	By
	MS Windows 32Bit port added. Now you are able to develope, test and debug your pico ] OS programs with the MS Visual Studio IDE (for example).	dkuschel
	Directory structure changed: Now there is a new subdirectory in the port directories. All config files have been moved into the subdir "defaults".	dkuschel
	jiffies, posCurrentTask_g, posNextTask_g, posInInterrupt_g, posRunning_g are now marked as "volatile"	dkuschel
	The DOS include path is now correctly converted in file compile.mak.	dkuschel
	In function posListAdd() was the new list head not set (new->head=listhead)	dkuschel
	errno variable fixed for some external runtime library header files.	dkuschel

Release 0.9.0 - 2005-01-04

Type	Changes	By
	nano layer: registry added, now support for named tasks/semas/timer etc.	dkuschel
	faster initialization of the CPU usage measurement on fast CPUs	dkuschel
	documentation updated	dkuschel
	keyword 'extern' added to function prototypes	dkuschel
	test for correct jiffies configuration added to n_core.c	dkuschel
	NOS_FEATURE_CPUUSAGE renamed to NOSCFG_FEATURE_CPUUSAGE	dkuschel

Release 0.8.1 - 2004-06-15

Type	Changes	By
	many new examples added to the examples directory	dkuschel
	port directory structure changed: subdirectory 'boot' introduced	dkuschel
	Bottom Halfs can now be triggered from outside the pico ] OS interrupt scope	dkuschel
	ARM port for SAMSUNG S3C2510A added (thanks Jun Li)	dkuschel
	AVR-Port: small bug fixes and features added	dkuschel

Release 0.8.0 - 2004-03-20

Type	Changes	By
	Nano Layer: Bottom Halfs	dkuschel
	Nano Layer: Multitasking able console I/O	dkuschel
	Nano Layer: Multitasking able dynamic memory management	dkuschel
	Nano Layer: Standardized API for easier task creation	dkuschel
	Nano Layer: CPU usage measurement	dkuschel

Release 0.7.0 - 2004-03-15

Type	Changes	By
	nonblocking/blocking lists added (lists can be used for packet queues)	dkuschel
	added user local storage in task control block	dkuschel
	some small bug fixes in dynamic memory management	dkuschel
	6502 port supports now dynamic count of tasks	dkuschel

Release 0.6.0 - 2004-03-07

Type	Changes	By
	atomic variables added	dkuschel
	posInstallIdleTaskHook() returns now the ptr to the previous hook function	dkuschel
	error code names changed to resolve a conflict with Unix style error codes	dkuschel
	bug fixed in dynamic memory management, memory management improved	dkuschel

Release 0.5.1 - 2004-02-24

Type	Changes	By
	lookup-table for better bit-shift performance on 8bit CPUs	dkuschel
	several functions renamed, postfix alloc->create, free->destroy	dkuschel
	feature names have changed accordingly to the function names	dkuschel
	macro MS() that converts milliseconds into timer ticks	dkuschel
	defined error codes, e.g. -EOK, -EFAIL, -ENOMEM and so on.	dkuschel

Release 0.5.0 - pre CVS

Type	Changes	By
	Atmel AVR port added	smocz
	6502 port: findbit function improved	dkuschel
	functions posMessageAlloc/posMessageSend are now interrupt save	dkuschel
	file poscfg.h split into poscfg.h and port.h	dkuschel

Release 0.4.4 - pre CVS

Type	Changes	By
	message box functions renamed: Msg -> Message	dkuschel
	function posInstallIdleTaskHook added	dkuschel
	function posIsTaskUnused renamed to posTaskUnused	dkuschel
	preprocessor directives corrected (unneeded braces removed)	dkuschel
	pico ] OS core prepared for additional nano layer	dkuschel

Release 0.4.3 - pre CVS

Type	Changes	By
	architecure port added: the PowerPC IBM PPC440 is now supported	dkuschel
	generic findbit (file fbit_gen.c) improved	dkuschel

Release 0.4.2 - pre CVS

Type	Changes	By
	documentation updated	dkuschel
	all prefixes 'os' changed to 'pos'	dkuschel

Release 0.4.1 - pre CVS

Type	Changes	By
	software interrupts added	dkuschel
	bug fixed in round robin scheduling mechanism	dkuschel
	bug fixed in function os_sched_event	dkuschel
	bug fixed in function posTaskYield	dkuschel

Release 0.4.0 - pre CVS

Type	Changes	By
	minor bugfixes	dkuschel
	make file support added	dkuschel

Release 0.3.2 - pre CVS

Type	Changes	By
	architecure port added: 6502 compatible processors are now supported	dkuschel
	filename changed: core.c renamed to picoos.c	dkuschel
	the function p_pos_initArch is called from posInit to initialize the port	dkuschel

Release 0.3.1 - pre CVS

Type	Changes	By
	flags-functions added (= one bit semaphores / events)	dkuschel
	some code is put into separate subroutines for small code configuration	dkuschel
	bad bugs in the event system fixed	dkuschel
	doxygen documentation tags added	dkuschel
	license changed to the the modified BSD license	dkuschel

Release 0.3.0 - pre CVS

Type	Changes	By
	sleep-timer lists can be double chained	dkuschel
	function renamed: posSemaWait to posSemaGet	dkuschel
	functions added: posSemaWait, posMsgWait	dkuschel
	code can be defined to be small: POSCFG_SMALLCODE	dkuschel
	jiffies counter variable added	dkuschel
	timer added	dkuschel
	internal data structures are now memory aligned	dkuschel
	much improvements and bugfixes	dkuschel

Release 0.2.0 - pre CVS

Type	Changes	By
	improvements on datatypes and structures	dkuschel
	functi on return status is now 0 on success and -1 on error	dkuschel
	code size improvements	dkuschel
	New functions: osGetCurrentTask, posTaskUnused, posTaskGetPriority, posTaskSetPriority	dkuschel
	New Features: mutexes, message boxes, argument checking added	dkuschel