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Add the Labs projects provided in the V10.2.1_191129 zip file.
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Richard Barry
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152
FreeRTOS-Labs/Source/FreeRTOS-Plus-Trace/readme.txt
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152
FreeRTOS-Labs/Source/FreeRTOS-Plus-Trace/readme.txt
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-------------------------------------------------------------------------------
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Tracealyzer for FreeRTOS - Trace Recorder Library v3.1.1
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-------------------------------------------------------------------------------
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Tracealyzer for FreeRTOS is a sophisticated tool for tracing and visualization
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of FreeRTOS-based systems. Tracealyzer gives an unprecedented insight into the
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runtime behavior, which speeds up debugging, validation and optimization.
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To learn more about this, see
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- Getting Started (videos etc): http://percepio.com/gettingstarted/tz-freertos/
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- User Manual (incl. Recorder API): http://percepio.com/docs/FreeRTOS/manual
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- FAQ: http://percepio.com/category/faq/
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In case you have any questions, don't hesitate to contact support@percepio.com
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-------------------------------------------------------------------------------
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Changes, v3.1.1 -> v3.1.2
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- Fixed two bugs related to User Events, one in vTracePrintF and other in vTracePrint.
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- Fixed a build problem related to a single reference of the old FreeRTOS type "xTaskHandle", in trcKernelPort.c.
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Changed to "TaskHandle_t", unless if using an older FreeRTOS kernel or the "compatibility mode".
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- Removed traceCREATE_MUTEX hook for FreeRTOS v9 or later (no longer required)
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- Updated the User Manual regarding snapshot trace via IAR Embedded Workbench.
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- Renamed vTraceGetTraceBuffer to xTraceGetTraceBuffer, since returning a pointer.
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-------------------------------------------------------------------------------
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Changes, v3.1.0 -> v3.1.1
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After the major changes in the v3.1.0 trace recorder library, this update
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corrects a number of minor issues. Only minor functional improvements.
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- You can now use TRC_ALLOC_CUSTOM_BUFFER to declare a trace buffer on a custom
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location (using linker directives).
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The related function vTraceSetRecorderDataBuffer has been promoted to the
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Common API (previously only supported in snapshot mode, but custom allocation
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is now generally supported also in streaming mode).
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- Removed TRC_CFG_USE_LINKER_PRAGMA. No longer necessary thanks to the custom
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allocation mode.
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- Added support for timestamping from custom periodic timers, required for
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accurate timestamping on Cortex-M0/M0+ devices when using tickless idle.
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Only for streaming mode so far. See TRC_CUSTOM_TIMER_INCR / DECR.
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- ARM Cortex-M port: Made sure the DWT unit is initialized properly, in case
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the debugger doesn't handle this.
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- ARM Cortex-M port: Added possibility to use Systick timestamping also on
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Cortex-M3/M4/M7 devices (that otherwise use DWT timestamping by default).
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To use this option, define the macro TRC_CFG_ARM_CM_USE_SYSTICK.
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- J-Link streaming: The default RTT buffer has been changed from 0 to 1.
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- J-Link streaming: The RTT buffer settings for buffer 1 and higher, are now
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found in trcStreamingPort.h. Note: These settings don't apply to buffer 0.
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- vTracePrint has been optimized for better performance in string logging.
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- Minor performance improvement related to symbol table transfer in streaming mode.
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- Timer names now registered also in streaming mode.
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- Timer start and stop event are now traced.
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- Implemented support for queue registry (traceQUEUE_REGISTRY_ADD) also for streaming.
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- Fixed a bug related to repeated calls of vTraceEnable.
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- Fixed a bug where task-switches seemed to occur even though the scheduler was disabled.
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- Renamed HARDWARE_PORT_TEXAS_INSTRUMENTS_TMS570_RM48, added prefix TRC.
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- Fixed several language issues in the comments and documentation.
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- Fixed several minor issues and warnings from different compilers
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(including PowerPC/gcc) and configurations.
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-------------------------------------------------------------------------------
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Changes, v3.0.9 -> v3.1.0
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- Merge of previously separated snapshot and streaming recorders into a single
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recorder supporting both streaming and snapshot as different modes.
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- New common API for supporting both streaming and snapshot modes.
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- New integration guide, see the User Manual.
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- Major improvement of API documentation in source files and User Manual.
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- New concept of "stream ports", giving a better structure defining streaming
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interfaces, and restructured the J-Link and TCP/IP streaming as stream ports.
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- Added a stream port for USB CDC connections, with STM32 as example.
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Since Tracealyzer now can receive serial data on Windows COM ports, this is
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really easy to use.
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- Added a warning (#error) for cases where FreeRTOS tickless idle mode is used
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together with timestamping using SysTick or other periodic interrupt timers,
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Tracing with tickless idle requires an independent time source to correctly
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capture the length of the idle periods.
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- Major changes in the recorder API. Important examples are:
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* Some configuration macros have changed names, e.g. for "hardware port".
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Make sure to remove any old "trcConfig.h" files if upgrading from an
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earlier version!
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* Recorder configuration in trcConfig.h has been minimized and now only
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includes the important settings that are independent of recorder mode.
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Advanced settings for each mode are found in trcSnapshotConfig.h and
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trcStreamingConfig.h.
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* vTraceEnable replaces Trace_Init and vTraceInitTraceData, as well as
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vTraceStart and uiTraceStart.
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* vTraceStop now part of the common API and thereby available also in
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streaming. And since vTraceEnable can start the streaming directly
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you have the option control the tracing from target, e.g., for
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streaming to a device file system.
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* vTraceStoreKernelObjectName from old streaming recorder has been replaced
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by vTraceSetQueueName, vTraceSetSemaphoreName, etc.
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* vTraceSetISRProperties now returns a "traceHandle" that should be passed as
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parameter to vTraceStoreISRBegin and vTraceStoreISREnd.
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* xTraceRegisterString has replaced the old functions xTraceOpenLabel and
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vTraceStoreUserEventChannelName. This now returns a "traceString" for use
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as "channel" parameter in vTracePrintF, and in other places where strings
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are stored.
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* Removed vTraceStoreISREndManual and vTraceStoreISREndAuto, use
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vTraceStoreISREnd instead.
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* Renamed the functions for saving User Events in a separate buffer:
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- xTraceRegisterChannelFormat -> xTraceRegisterUBChannel
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- vTraceChannelPrintF -> vTraceUBData
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- vTraceChannelUserEvent -> vTraceUBEvent
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-------------------------------------------------------------------------------
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Copyright Percepio AB, 2017.
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