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.
rtel [Sat, 1 Aug 2015 15:00:22 +0000 (15:00 +0000)]
Preparing for next release...
Zynq ZC702 demo application:
Update the memcpy, memset and memcmp implementations so they don't err with -O3 optimisation.
Update to use the 2015.2 version of the SDK.
rtel [Sat, 1 Aug 2015 07:03:32 +0000 (07:03 +0000)]
Preparing for new release...
Kernel changes:
- Remove an assert that was preventing xQueueSendFromISR() being used to give a mutex from an ISR (mutexes cannot be given using xSemaphoreGiveFromISR()).
- Introduce xTaskNotifyAndQueryFromISR() as the interrupt safe version of xTaskNotifyAndQuery().
Common demo task changes:
- Update IntSemTest.c to prove the theory that it is safe to give a mutex type semaphore from an interrupt using xQueueSendFromISR() instead of xSemaphoreGiveFromISR().
- Update TaskNotify.c to test the new xTaskNotifyAndQuery() from ISR fuction.
MSP430:
Add additional NOPs as required by hardware manual.
Microblaze:
Previously a task inherited the exception enable state from the context from which xTaskCreate() was called. Now tasks all have exceptions enabled if they are enabled in the hardware.
Windows/GCC:
Improve the implementation of portGET_HIGHEST_PRIORITY.
Common code:
Simplify the pointer use in xQueueGenericCreate()
Demo apps:
Remove jpg images that were used to create web pages.
Fix capitalisation issues in some demos where some header files are incldued with the wrong case, preventing building on Linux.
Remove the Microblaze demos that are using obsolete tools.
Update main_blinky for the Windows port demo to include a software timer example.
rtel [Wed, 24 Jun 2015 15:10:03 +0000 (15:10 +0000)]
Microblaze: Add a port optimised task selection implementation to the Microblaze port.
Windows port: Add code to ensure Windows threads are truely suspended before resuming another thread.
Typo correction to the task notification standard demo task.
Correct case of some include file names to fix build issues on Linux.
rtel [Wed, 20 May 2015 15:46:40 +0000 (15:46 +0000)]
Kernel changes to improve power saving:
+ The timer task now blocks indefinitely if there are no timers active, allowing eTaskConfirmSleepModeStatus to return eNoTasksWaitingTimeout when configUSE_TIMERS is set to 1.
+ The next unblock time is calculated automatically after a task unblocks when waiting for a notification, allowing deep sleep to be entered earlier.
Change some data types in heap_4.c to allow it to be used on hardware that has 16-bit pointers without generating compiler warnings.
Add a small data model configuration to the MSP43FR5969 IAR demo.
Correct some code comments in the SAMA5D4 demo.
Rename /Demo/MSP430FR5969_LaunchPad to /Demo/MSP430X_MSP430FR5969_LaunchPad for consistency with other MSP430 demo directory names.
Fixed typos in comments repeated in multiple source files.
Update TimerDemo.c to test the new vTimerSetTimerID() function.
Update WinPCap NetworkInterface.c for FreeRTOS+UDP to correctly store a pointer to the network buffer structure at the beginning of the network buffer.
Add the errno definitions used by FreeRTOS+TCP and FreeRTOS+FAT into FreeRTOS's projdefs.h.
Remove redundant global definition vPortInstallFreeRTOSVectorTable from the GCC ARM_CA9 portASM.S file.
Ensure correct sequence of start up sequence when the Windows port is used on multi-core Windows machines by starting one thread in the suspended state.
Move initialisation of xNextTaskUnblockTime to the function that starts the scheduler, rather than from where the variable is declared - this fixes a compiler warning in newer IAR compilers.
Fix "elif (SELECTED_PORT == PORT_MICROCHIP_PIC32MX || PORT_MICROCHIP_PIC32MZ)" in the FreeRTOS+Trace trcHardwarePort.h header file.
rtel [Tue, 24 Mar 2015 15:24:49 +0000 (15:24 +0000)]
Final V8.2.1 release ready for tagging:
+ Added MSP432 (ARM Cortex-M4F MSP430!) demos for IAR, Keil and CCS.
+ Renamed directory containing demo for STM32F7 ARM Cortex-M7.
+ Renamed directory containing demo for SAMV71 ARM Cortex-M7.
+ Introduced xTaskNotifyAndQuery().
rtel [Sat, 21 Mar 2015 14:01:43 +0000 (14:01 +0000)]
Kernel changes:
Exclude the entire croutine.c file when configUSE_CO_ROUTINES is 0.
New ports:
Added Cortex-M7 IAR and Keil port layers that include a minor errata workaround r0p1 Cortex-M7 devices.
Added Cortex-M4F port layer for CCS.
New demo applications:
Added demo application for STM32F7.
Added demo application for SAMv71.
rtel [Wed, 4 Mar 2015 17:45:18 +0000 (17:45 +0000)]
Kernel code:
+ Added mtCOVERAGE_TEST_DELAY() macro to facilitate getting better code coverage during testing.
+ Update prvNotifyQueueSetContainer() so it does not call xTaskRemoveFromEventList() if it is called from an interrupt, and the queue is locked.
rtel [Wed, 11 Feb 2015 15:41:30 +0000 (15:41 +0000)]
Kernel updates:
+ Added vTimerSetTimerID() to compliment vTimerGetTimerID(). Now the timer ID can be used as timer local storage.
+ Updated comments and added some additional assert() calls.
Win32 port:
+ Some changes to allow easier 64-bit builds
PIC24/dsPIC port:
+ Added NOP after disable interrupt instruction.
rtel [Thu, 15 Jan 2015 21:37:32 +0000 (21:37 +0000)]
Demo app changes:
Add a "query heap" command to the standard sample CLI commands.
Remove casting from configMAX_PRIORITIES setting in Win32 simulator demos as it was preventing a clean build.
Source code changes.
General tidy up and addition of assert points.
rtel [Sun, 21 Dec 2014 10:26:36 +0000 (10:26 +0000)]
Kernel changes:
+ Made xTaskNotifyGiveFromISR() its own function, rather than a macro that calls xTaskNotifyFromISR() (minor performance improvement).
+ GCC and Keil Cortex-M4F ports now use vPortRaiseBASEPRI() in place of ulPortRaiseBASEPRI() where the return value is not required (minor performance improvement).
Demo changes:
Change the [very basic] FreeRTOS+UDP SAM4E driver to use task notifications rather than a semaphore (execution time now 55% what it was in FreeRTOS V8.1.2!).
Robustness improvements to IntQueue.c standard demo task.h.
Added the latest standard demo tasks, reg test tasks and int q tasks to the SAM4E demo.
rtel [Fri, 19 Dec 2014 16:27:56 +0000 (16:27 +0000)]
Kernel changes:
+ Do not attempt to free the stack of a deleted task if the stack was statically allocated.
+ Introduce configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES - which optionally writes known values into the list and list item data structures in order to assist with the detection of memory corruptions.
Microblase port:
+Change occurrences of #if XPAR_MICROBLAZE_0_USE_FPU == 1 to #if XPAR_MICROBLAZE_0_USE_FPU != 0 as the value can also be 2 or 3.
Demo app modifications:
+ Update Zynq project to use the 2014.4 tools and add in tests for the new task notification feature.
+ Update SAM4S project to include tests for the new task notification feature.
rtel [Thu, 18 Dec 2014 11:02:15 +0000 (11:02 +0000)]
+ Update demos that use FreeRTOS+Trace to work with the latest trace recorder library.
+ Fix a few compiler warnings.
+ Add TickType_t specific critical sections so critical sections are not used when accessing the tick count in cases where the access is atomic (32-bit tick count, 32-bit architecture).
rtel [Mon, 15 Dec 2014 14:13:03 +0000 (14:13 +0000)]
+ New feature added: Task notifications.
+ Optimise Cortex-M4F ports by inlining some critical section macros.
+ Original ports used a #define to set the path to portmacro.h - that method has been obsolete for years and now all the old definitions have been moved into a separate header files called deprecated_definitions.h.
+ Cortex-M port now check the active vector bits against 0xff when determining if a function is called from an interrupt - previously only a subset of the bits (0x1f) were checked.
+ Add in new standard demo/test files TaskNotify.c/h and include the files in the simulator demos.
+ Update trace recorder code, and some demos to use the new version (more to do).
+ Introduce uxTaskPriorityGetFromISR().
+ Minor typo corrections.
+ Update MingW simulator demo to match the MSVC simulator demo.
rtel [Wed, 15 Oct 2014 21:01:31 +0000 (21:01 +0000)]
Core kernel code:
Allow the stats formatting functions to be built in without stdio.h being included inside tasks.c.
Kernel port code:
- Slight change to the Cortex-A GIC-less port to move all non portable code to the application level.
SAMA5D4 demo project:
- Update the Atmel provided library to V1.1.
- Create a DDR build configuration.
- Ensure interrupts are all edge sensitive.
- Update the regtest code to use all 32 flop registers.
rtel [Thu, 9 Oct 2014 15:42:43 +0000 (15:42 +0000)]
Demo projects only:
+ Remove some #warnings messages from the Cycle 5 - which were left in the code as reminders of tests that were not yet completed but are now.
rtel [Wed, 8 Oct 2014 20:31:14 +0000 (20:31 +0000)]
Core kernel files:
+ Change how queues are allocated and deleted so only one pvPortMalloc() or vPortFree() is required in place of the previous 2.
+ Where the TCB is allocated in relation to the stack is now dependent on the stack growth direction. The stack will not grow into the TCB.
+ Introduce the configAPPLICATION_ALLOCATED_HEAP constant to allow the application to provide the array used by heap_4.c as its heap. This allows the application writer to use qualifiers on the array to, for example, force the memory into faster RAM.
Demo application:
+ Add demo for SAMA5D4 using IAR.
Core kernel code:
+ Introduce xSemaphoreGenericGiveFromISR() as an optimisation when giving semaphores and mutexes from an interrupt.
Demo applications:
+ Update IntSemTest.c to provide more code coverage in xSemaphoreGenericGiveFromISR().
+ Ensure the MMU is turned on in the RZ IAR demo. It was already on in the RZ ARM demo.
Demo tasks only, with the aim of improving test coverage:
+ Split out the code that uses a mutex from an interrupt from GenQTest.c and add to new common demo task IntSemTest.c.
Update version number to 8.1.2 after moving the defaulting of configUSE_PORT_OPTIMISED_TASK_SELECTION into individual port layers so it does not affect ports that do not support the definition.
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