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external/CMSIS_5/CMSIS/DoxyGen/RTOS2/src/history.txt
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/**
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\page rtos_revisionHistory Revision History
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\section GenRTOS2Rev CMSIS-RTOS API Version 2
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<table class="cmtable" summary="Revision History">
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<tr>
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<th>Version</th>
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<th>Description</th>
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</tr>
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<tr>
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<td>V2.2.0</td>
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<td>
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Added support for Process Isolation (Functional Safety):
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- Kernel Management: \ref osKernelProtect, \ref osKernelDestroyClass
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- Thread Management: \ref osThreadGetClass, \ref osThreadGetZone,<br>
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\ref osThreadSuspendClass, \ref osThreadResumeClass, \ref osThreadTerminateZone,<br>
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\ref osThreadFeedWatchdog, \ref osThreadProtectPrivileged
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- Thread attributes: \ref osThreadZone, \ref osThreadUnprivileged, \ref osThreadPrivileged
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- Object attributes: \ref osSafetyClass
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- Handler functions: \ref osWatchdogAlarm_Handler
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- Zone Management: \ref osZoneSetup_Callback
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- Exception Faults: \ref osFaultResume
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Additional functions allowed to be called from Interrupt Service Routines:
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- \ref osThreadGetName, \ref osEventFlagsGetName, \ref osTimerGetName, \ref osMutexGetName, \ref osSemaphoreGetName, \ref osMemoryPoolGetName, \ref osMessageQueueGetName
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</td>
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</tr>
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<tr>
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<td>V2.1.3</td>
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<td>
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Additional functions allowed to be called from Interrupt Service Routines:
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- \ref osThreadGetId
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</td>
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</tr>
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<tr>
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<td>V2.1.2</td>
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<td>
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Additional functions allowed to be called from Interrupt Service Routines:
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- \ref osKernelGetInfo, \ref osKernelGetState
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</td>
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</tr>
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<tr>
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<td>V2.1.1</td>
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<td>
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Additional functions allowed to be called from Interrupt Service Routines:
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- \ref osKernelGetTickCount, \ref osKernelGetTickFreq
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Changed Kernel Tick type to uint32_t:
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- updated: \ref osKernelGetTickCount, \ref osDelayUntil
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</td>
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</tr>
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<tr>
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<td>V2.1.0</td>
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<td>
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Support for critical and uncritical sections (nesting safe):
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- updated: \ref osKernelLock, \ref osKernelUnlock
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- added: \ref osKernelRestoreLock
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Updated \ref CMSIS_RTOS_ThreadFlagsMgmt "Thread Flags" and \ref CMSIS_RTOS_EventFlags "Event Flags":
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- changed flags parameter and return type from int32_t to uint32_t
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</td>
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</tr>
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<tr>
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<td>V2.0.0</td>
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<td>
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New API Version 2.0 available.
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- See \ref rtos_api2 for a detailed function reference.
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- See \ref os2Migration for details on the migration process from API Version 1.
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</td>
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</tr>
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<tr>
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<td>V1.02 - only documentation changes</td>
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<td>
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Added: Overview of the \ref rtosValidation "CMSIS-RTOS Validation" Software Pack.\n
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Clarified: Behavior of \ref CMSIS_RTOS_TimeOutValue.
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</td>
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</tr>
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<tr>
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<td>V1.02</td>
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<td>Added: New control functions for short timeouts in microsecond resolution \b osKernelSysTick,
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\b osKernelSysTickFrequency, \b osKernelSysTickMicroSec.\n
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Removed: osSignalGet.
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</td>
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</tr>fv
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<tr>
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<td>V1.01</td>
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<td>Added capabilities for C++, kernel initialization and object deletion.\n
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Prepared for C++ class interface. In this context to \em const attribute has been moved from osXxxxDef_t typedefs to
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the osXxxxDef macros.\n
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Added: \ref osTimerDelete, \ref osMutexDelete, \ref osSemaphoreDelete.\n
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Added: \ref osKernelInitialize that prepares the kernel for object creation.\n
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</td>
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</tr>
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<tr>
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<td>
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V1.00</td>
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<td>First official Release.\n
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Added: \ref osKernelStart; starting 'main' as a thread is now an optional feature.\n
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Semaphores have now the standard behavior.\n
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\b osTimerCreate does no longer start the timer. Added: \ref osTimerStart (replaces osTimerRestart).\n
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Changed: osThreadPass is renamed to \ref osThreadYield.
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</td>
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</tr>
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<tr>
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<td>V0.02</td>
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<td>Preview Release.</td>
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</tr>
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</table>
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\section RTX5RevisionHistory CMSIS-RTOS RTX Version 5
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<table class="cmtable" summary="Revision History">
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<tr>
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<th>Version</th>
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<th>Description</th>
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</tr>
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<tr>
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<td>V5.7.0</td>
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<td>
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- Based on CMSIS-RTOS API V2.2.0.
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- Added support for Process Isolation: MPU Protected Zones, Safety Classes, Thread Watchdogs.
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- Reduced component variants: Library (Library_NS replacement), Source (Source_NS replacement).
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</td>
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</tr>
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<tr>
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<td>V5.5.5</td>
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<td>
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- Added de-allocation of Arm C library thread data (libspace) when thread is terminated.
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- Updated SysTick implementation for OS Tick (initial count value).
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- Added Thread Entry wrapper (compatible with GDB stack unwind).
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</td>
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</tr>
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<tr>
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<td>V5.5.4</td>
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<td>
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- Fixed potential register R1 corruption when calling OS functions from threads multiple times with same arguments (when using high level compiler optimizations).
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- Fixed timer interval when periodic timer is restarted.
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- Added Floating-point initialization for Arm C Library.
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- Minor code optimizations in osMessageQueuePut/Get.
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</td>
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</tr>
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<tr>
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<td>V5.5.3</td>
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<td>
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- CVE-2021-27431 vulnerability mitigation.
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- Added OS Initialization for IAR.
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- Fixed osDelay/osDelayUntil error handling.
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- Fixed Round-Robin (timeout value is not reset when switching to higher priority threads).
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- Fixed osThreadJoin (when terminating thread which is waiting to be joined).
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- Fixed Message Queue Data allocation size when using object specific memory allocation.
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- Fixed Mutex priority inversion (when mixing mutexes with and without priority inherit).
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- Enhanced stack overrun checking.
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- Updated osKernelResume handling (processing past sleep ticks).
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- Updated configuration (Event Recorder).
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- Reorganized and optimized IRQ modules.
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</td>
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</tr>
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<tr>
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<td>V5.5.2</td>
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<td>
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- Added support for Cortex-M55.
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- Fixed thread priority restore on mutex acquire timeout (when priority inherit is used).
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- Enhanced support for Armv8-M (specifying thread TrustZone module identifier is optional).
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- Updated configuration default values (Global Dynamic Memory and Thread Stack).
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</td>
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</tr>
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<tr>
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<td>V5.5.1</td>
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<td>
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- Fixed osMutexRelease issue (thread owning multiple mutexes).
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- Improved osThreadJoin robustness (user programing errors).
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</td>
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</tr>
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<tr>
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<td>V5.5.0</td>
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<td>
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- Updated and enhanced generated events (reorganized components).
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- Updated configuration (Event Recorder).
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- Updated Component Viewer (improved performance).
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- Minor code optimizations.
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</td>
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</tr>
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<tr>
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<td>V5.4.0</td>
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<td>
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- Based on CMSIS-RTOS API V2.1.3.
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- Added support for Event Recorder initialization and filter setup.
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- Added support to use RTOS as Event Recorder Time Stamp source.
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- Fixed osDelayUntil longest delay (limited to 2^31-1).
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- Fixed optimization issue when using GCC optimization level 3.
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- Fixed osMemoryPoolAlloc to avoid potential race condition.
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- Restructured exception handling for Cortex-A devices.
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- Minor code optimizations (removed unnecessary checks).
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</td>
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</tr>
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<tr>
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<td>V5.3.0</td>
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<td>
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- Added Object Memory usage counters.
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- Added support for additional external configuration file.
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- Added user configurable names for system threads (Idle and Timer).
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- Added support for OS sections when using ARMCC5.
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- Added callback for MPU integration (experimental)
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- Increased default thread stack sizes to 256 bytes.
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- Fixed stack context display for running thread in SCVD.
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- Enhanced MISRA Compliance.
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</td>
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</tr>
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<tr>
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<td>V5.2.3</td>
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<td>
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- Based on CMSIS-RTOS API V2.1.2.
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- Added TrustZone Module Identifier configuration for Idle and Timer Thread.
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- Moved SVC/PendSV handler priority setup from osKernelInitialize to osKernelStart (User Priority Grouping can be updated after osKernelInitialize but before osKernelStart).
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- Corrected SysTick and PendSV handlers for ARMv8-M Baseline.
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- Corrected memory allocation for stack and data when "Object specific Memory allocation" configuration is used.
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- Added support for ARMv8-M IAR compiler.
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</td>
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</tr>
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<tr>
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<td>V5.2.2</td>
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<td>
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- Corrected IRQ and SVC exception handlers for Cortex-A.
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</td>
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</tr>
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<tr>
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<td>V5.2.1</td>
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<td>
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- Corrected SysTick and SVC Interrupt Priority for Cortex-M.
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</td>
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</tr>
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<tr>
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<td>V5.2.0</td>
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<td>
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- Based on CMSIS-RTOS API V2.1.1.
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- Added support for Cortex-A.
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- Using OS Tick API for RTX Kernel Timer Tick.
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- Fixed potential corruption of terminated threads list.
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- Corrected MessageQueue to use actual message length (before padding).
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- Corrected parameters for ThreadEnumerate and MessageQueueInserted events.
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- Timer Thread creation moved to osKernelStart.
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</td>
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</tr>
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<tr>
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<td>V5.1.0</td>
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<td>
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- Based on CMSIS-RTOS API V2.1.0.
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- Added support for Event recording.
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- Added support for IAR compiler.
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- Updated configuration files: RTX_Config.h for the configuration settings and RTX_config.c for implementing the \ref rtx5_specific.
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- osRtx name-space for RTX specific symbols.
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</td>
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</tr>
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<tr>
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<td>V5.0.0</td>
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<td>
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Initial release compliant to CMSIS-RTOS2.\n
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</td>
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</tr>
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</table>
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*/
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