Introduce configRECORD_STACK_HIGH_ADDRESS, which when set will result in both limits of the stack being saved in the TCB to allow enhanced debug capabilities.
Introduce configINCLUDE_FREERTOS_TASK_C_ADDITIONS_H, which allows a user provided header file to be included at the bottom of the tasks.c source file, which can add user functions and access file scope data.
Replace global on/off switches used for lint errors with save/restore switches.
rtel [Tue, 16 Aug 2016 11:38:58 +0000 (11:38 +0000)]
Changes to core code and port layer:
+ Add configASSERT() into ARM Cortex-M ports to check the number of priority
bit settings.
+ Clear the 'control' register before starting ARM Cortex-M4F ports in case
the FPU is used before the scheduler is started. This just saves a few
bytes on the main stack as it prevents space being left for a later save
of FPU registers.
+ Added xSemaphoreGetMutexHolderFromISR().
+ Corrected use of portNVIC_PENDSVSET to portNVIC_PENDSVSET_BIT in MPU ports.
rtel [Mon, 27 Jun 2016 13:13:05 +0000 (13:13 +0000)]
Improvements to the Cortex-M ports:
- Clear the SysTick current value register before starting the SysTick (only required if something uses SysTick before starting the scheduler).
- Ensure atomic operations are thread safe by executing clrex in the context switch.
rtel [Thu, 19 May 2016 13:28:12 +0000 (13:28 +0000)]
Prepare for V9.0.0 release.
+ Set flash wait states on MSP432 demos.
+ Remove use of obsolete IO library in PIC32 demos.
+ Remove obsolete item left on stack of first task to run in the Cortex-M0 ports.
+ Correct IA32 GCC vPortExitCritical() implementation when configMAX_API_CALL_INTERRUPT_PRIORITY == portMAX_PRIORITY.
rtel [Wed, 18 May 2016 19:51:14 +0000 (19:51 +0000)]
Increase the test coverage of the GCC MPU demo that runs in the Keil simulator.
Add an MPU demo that uses the Keil simulator that also uses the Keil compiler.
Correct a few version numbers for files recently added to the repository.
rtel [Wed, 18 May 2016 10:41:28 +0000 (10:41 +0000)]
Add GCC ARM Cortex-M4F MPU port.
Add RVDS ARM Cortex-M4F MPU port.
Increase the size of each buffer allocated to pbufs in the Microblaze lwIP demo to prevent pbufs chaining.
Use _start as the top of the stack for each Microblaze task, rather than NULL, as NULL was causing the Xilinx SDK to try and unwind the stack too far.
rtel [Fri, 6 May 2016 12:40:27 +0000 (12:40 +0000)]
Update some more standard demos for use on 64-bit architectures.
Update the Xilinx Ultrascale+ Cortex-A53 (64-bit) and Cortex-R5 (32-bit) demos to use version 2016.1 of the SDK.
Completely re-generate the Zynq 7000 demo using the 2016.1 SDK tools.
Introduce configUSE_TASK_FPU_SUPPORT into the GCC Cortex-A9 port to allow tasks to have an FPU context by default.
Add MikroC Cortex-M4F port.
xTaskGetTaskHandle() changed to xTaskGetHandle().
Tidy up CEC1302 demo.
Ensure bit 0 of the task address is clear when setting up stack of initial Cortex-M3/4/7 stacks (for strict compliance, although not practically necessary).
vTaskGetTaskInfo() changed to vTaskGetInfo() - with a macro added for backward compatibility.
rtel [Thu, 31 Mar 2016 15:22:10 +0000 (15:22 +0000)]
Remove compiler warning by ensure prvInitialiseMutex() is not included if configUSE_MUTEXES is 0.
Reduce the number of xTaskCreateStatic() parameters by having the function return the task handle, rather than pass the task handle out using a parameter. This is also consistent with other objectCreate() functions.
rtel [Wed, 30 Mar 2016 11:12:06 +0000 (11:12 +0000)]
Update MSP432 projects to use updated driver library files.
Remove references to INCLUDE_pcTaskGetTaskName and INCLUDE_xTimerGetTimerDaemonTaskHandle, which are no longer required.
rtel [Tue, 29 Mar 2016 17:16:34 +0000 (17:16 +0000)]
Make the pcObjectGetName() API function naming consistent - so rename pcTaskGetTaskName() to pcTaskGetName(), rename pcTimerGetTimerName() to pcTimerGetName() and add a #defines in FreeRTOS.h to make the changes backward compatible.
rtel [Tue, 29 Mar 2016 13:07:27 +0000 (13:07 +0000)]
Create minor optimisations (just an asm instruction or two) by using consts in a few places where previously a volatile variable that didn't change was used.
Add the simple xTimerGetPeriod() and xTimerGetExpiryTime() functions.
rtel [Tue, 29 Mar 2016 11:08:42 +0000 (11:08 +0000)]
- Rework the StaticAllocation.c common demo file to reflect the changes to the static allocation object create functions from the previous check-in.
- Correct various typos in comments.
- Add xTimerGetPeriod() function (feature request).
rtel [Tue, 22 Mar 2016 16:23:37 +0000 (16:23 +0000)]
Notes:
+ The MPU port is not supported in this revision number.
+ The documentation for the static allocation functions in the header files has not yet been updated for this revision.
Kernel updates:
+ Simplify the static allocation of objects implementation.
+ Introduce configSUPPORT_DYNAMIC_ALLOCATION in addition to the existing configSUPPORT_STATIC_ALLOCATION so FreeRTOS can be built without providing a heap at all.
Demo application updates:
+ Update the demos to take into account the new configSUPPORT_DYNAMIC_ALLOCATION constant.
+ Add an MSVC demo that only uses static allocation, and does not include a FreeRTOS heap.
+ Update the MSVC project to use both configSUPPORT_STATIC_ALLOCATION and configSUPPORT_DYNAMIC_ALLOCATION.
+ Update the MingW project to use only configSUPPORT_DYNAMIC_ALLOCATION.
rtel [Wed, 2 Mar 2016 17:45:55 +0000 (17:45 +0000)]
Replace Gecko Simplicity Studio project that had multiple build configurations with one that has a single build configuration and targets the Giant Gecko starter kit. Now there are separate projects for the Giant and Pearl Geckos.
Update the Pearl Gecko project to use the register test tasks that include the FPU registers.
rtel [Wed, 2 Mar 2016 16:03:25 +0000 (16:03 +0000)]
Add Pearl Gecko demo.
Fix build error when configSUPPORT_STATIC_ALLOCATION and configNUM_THREAD_LOCAL_STORAGE_POINTERS were greater than zero at the same time.
Allow the pdMS_TO_TICKS macro to be overridden by a definition in FreeRTOSConfig.h.
rtel [Thu, 18 Feb 2016 10:07:42 +0000 (10:07 +0000)]
Prepare for a FreeRTOS V9 release candidate:
- Remove the standard demo files that used the [long since deprecated] alternative API.
- Add standard demo task that tests the new xTaskAbortDelay() function.
- Update the Win32 Visual Studio project to use Visual Studio 2015 Community Edition.
- Rename the xGenericListItem TCB member to xStateListItem as it better describes the member's purpose.
rtel [Sun, 14 Feb 2016 11:58:11 +0000 (11:58 +0000)]
Core kernel code changes:
+ Added xTaskAbortDelay() function, which causes a task to exit the Blocked state even before the timeout has expired or the event the task is waiting for has occurred.
+ For efficiency and code size reasons on some architectures, replace many instances of "== pdTRUE" with "!= pdFALSE".
rtel [Wed, 10 Feb 2016 12:58:15 +0000 (12:58 +0000)]
FreeRTOS source:
- Major refactor to consolidate the multiple places where a task is removed from a ready list and placed in a delay list into a single function, reducing code size, and enabling the easy addition of up-coming functionality.
- Replace the enum used for task notification states with a uint8_t to reduce the TCB struct size with some compilers, and allow additional members to be added without increasing its size.
- Rearrange FreeRTOS.h so all INCLUDE_ defaults are grouped together.
rtel [Tue, 9 Feb 2016 16:02:54 +0000 (16:02 +0000)]
Kernel source code:
+ Added xPortIsInsideInterrupt() to RVDS ARM CM4F port - the same will get added to other ports in time.
Demo application code:
+ Added first pass Microchip CEC1302 demo for Keil.
+ Harden the new StaticAllocation.c standard demo tasks against integer promotion rules causing problems on 16-bit architectures.
rtel [Wed, 3 Feb 2016 11:58:30 +0000 (11:58 +0000)]
Test the RTC and BURTC tickless implementations on the Gecko parts, and make correct as appropriate.
Replace some references to the older portTICK_RATE_MS macro with the newer pdMS_TO_TICKS() macro in the standard demo files.
rtel [Sun, 31 Jan 2016 20:22:00 +0000 (20:22 +0000)]
Added a build configuration for the Wonder Gecko starter kit to the existing Giant Gecko Simplicity Studio project.
Fix some lint warnings that were generated by some of the new core functionality.
rtel [Thu, 28 Jan 2016 16:59:57 +0000 (16:59 +0000)]
Add vTaskGetTaskInfo() function that allows a TaskStatus_t structure to be returned for an individual task (previously information could only be obtained for all the tasks at once).
Add a member to the TaskStatus_t structure that is used to return the base address of the stack used by the task being queried.
Add xTaskGetTaskHandle() that allows the handle of a task to be looked up from the task's text name.
Continue to document the macros that allow RTOS objects to be created using statically allocated memory.
Introduced vApplicationDaemonTaskStartupHook(), which allows initialisation that that needs to be executed after the scheduler has been started to be executed from the RTOS daemon task.
Call prvResetNextTaskUnblockTime() in xTaskResumeAll() if a task is moved from the pending ready list - this can prevent an unnecessary wake from sleep mode if a task is unblocked by an interrupt while in a low power tickless state.
rtel [Thu, 21 Jan 2016 14:10:04 +0000 (14:10 +0000)]
Provide the ability to create event groups and software timers using pre statically allocated memory - now all RTOS objects can be created using statically allocated memory.
Rename StaticTCB_t to StaticTask_t.
rtel [Wed, 20 Jan 2016 14:04:40 +0000 (14:04 +0000)]
Continue to add the ability to create RTOS objects using static rather than dynamic memory allocation - now including all the semaphore types.
Update the StaticAllocation.c standard demo file to exercise the new static allocation functions.
rtel [Tue, 19 Jan 2016 13:41:28 +0000 (13:41 +0000)]
Implement functionality that allows the memory required to create a queue or semaphore to be allocated statically.
Update the standard demo task that tests statically allocated tasks to also test statically allocated queues.
rtel [Mon, 18 Jan 2016 15:57:02 +0000 (15:57 +0000)]
Rename DummyTCB_t to StaticTCB_t.
Move structures used for static allocation of tasks and queues into FreeRTOS.h from their individual API header files.
Add SAME70 Xplained Atmel Studio project.
Update SAMV71 Atmel Studio project to use Studio 7.
Revert some changes to GenQTest.c standard demo task which only function correctly when a queue registry was used.
rtel [Tue, 12 Jan 2016 15:52:44 +0000 (15:52 +0000)]
Kernel changes:
Minor change to xQueueGenericReceive() to catch the extreme case of data being placed into a queue between a task timing out and leaving the xQueueGenericReceive() function.
Added xSemaphoreGetCount() macro.
Demo app changes:
Updated countsem.c to test the new xSemaphoreGetCount() macro.
rtel [Tue, 22 Dec 2015 13:56:20 +0000 (13:56 +0000)]
Add in the CORTEX_A53_64-bit_UltraScale_MPSoC demo application (a demo has been included in the Xilinx SDK download for some time already).
Update a few demo application files to work with 64-bit data types.
rtel [Mon, 21 Dec 2015 08:25:41 +0000 (08:25 +0000)]
FreeRTOS source updates:
+ Add the pre-existing 64-bit Cortex-A53 port layer into the head revision of the main repository.
Demo application updates:
+ Update Zynq demo to use SDK version 2015.4
+ Add task static allocation standard demo to Zynq demo.
+ Make the XScuGic object accessible outside of the vConfigureTickInterrupt(), again in the Zynq demo.
rtel [Sun, 20 Dec 2015 13:44:21 +0000 (13:44 +0000)]
Changes to the FreeRTOS code:
+ Introduced xTaskCreateStatic() to allow tasks to be created without any dynamic memory allocation.
+ When a task notification is used to unblock a task from an ISR, but the xHigherPriorityTaskWoken parameter is not used, then pend a context switch to occur during the next tick interrupt.
Demo application changes:
+ Updated TaskNotify.c to test the case where a task is unblocked by an ISR, but does not use its xHigherPriorityTaskWoken parameter.
+ Updated the Win32 MSVC project to test statically allocated tasks being created and deleted.
+ Introduced StaticAllocation.c standard demo task.
rtel [Tue, 8 Dec 2015 20:22:58 +0000 (20:22 +0000)]
FreeRTOS source:
+ Previously, if a task was deleted, the memory allocated to the task by the RTOS was freed in the Idle task. Now if a task deletes another task the memory is freed immediately. The idle task is however still responsible for freeing the memory when a task deletes itself.
+ Added pcQueueGetQueueName() function to return the name of a queue from its handle, assuming the queue is registers.
Demo application:
+ Update GenQTest to exercise the new pcQueueGetQueueName() function.
+ Delete workspaces from old Eclipse examples, leaving just the projects.
+ Rework comments in the MSVC simply blinky demo.
rtel [Sun, 22 Nov 2015 21:14:39 +0000 (21:14 +0000)]
FreeRTOS source changes:
+ heap_1.c and heap_2.c now support configAPPLICATION_ALLOCATED_HEAP (heap_4.c already did) which allows the heap to be placed by the user rather than the linker.
Demo app changes:
+ SAMD20 project has been updated to use Atmel Studio 7.
rtel [Fri, 20 Nov 2015 14:11:11 +0000 (14:11 +0000)]
Kernel changes:
+ Support tickless idle when configUSE_PREEMPTION is 0 (previously tickless idle was only supported when the pre-emptive scheduler was being used).
+ If a stack was statically allocated, then don't try freeing it if the TCB cannot be allocated.
+ Remove use of INCLUDE_xEventGroupsSetBitsFromISR() pre-processor macro, as it was not tested anyway.
Demo app changes:
+ Updated SAM4L Atmel Studio project to use Atmel Studio 7.
rtel [Fri, 16 Oct 2015 11:29:36 +0000 (11:29 +0000)]
Preparing for maintenance release:
Kernel source changes:
- Added xTaskNotifyStateClear() API function.
- Added the GCC Cortex-R port (existed for a while) into the main download.
- Improved the IAR RL78 port's handling of different memory model combinations.
- Removed some compiler warnings in heap_5.c.
Demo app changes:
- Added example use of xTaskNotifyStateClear() to the TaskNotify standard demo tasks.
rtel [Thu, 15 Oct 2015 20:19:26 +0000 (20:19 +0000)]
Preparing for maintenance release -
Bug fix - issue introduced in V8.2.2 when the current timer list is empty and the overflow timer list is not empty.
Add PIC32MZ EF (floating point) support and update the MZ demo project to test the flop context switching.
Improve efficiency of the stack overflow checking.
Add CLI to RX71M demo.
General tidy up of new RZ and RX projects - including ensuring the UART driver copes with 0 length strings.
Add stack overflow checking to the [old] PIC24 demo.
rtel [Sat, 3 Oct 2015 18:48:41 +0000 (18:48 +0000)]
Changes in common files:
Add additional asserts into timers.c.
Trivial changes and changes in demo applications:
RX113 IAR project is not building and running.
Make FreeRTOS_SetupInterrupt() and FreeRTOS_ClearInterrupt() weak symbols in the Zynq SDK repository.
Correct typo in the port layer comments that was cut and paste into multiple files.
FreeRTOS source:
+ Added Renesas RXv2 port for IAR.
Demo apps:
+ Demo/Rename the CORTEX_R4F_T_GCC_IAR_ARM directory to just Rename the CORTEX_R4F_T_GCC_IAR.
+ Add IAR project for the RX113.
+ Add RX231 e2studio projects for the RX231.
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