forked from epagris/FreeRTOS-Kernel
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.
This commit is contained in:
Richard Barry
parent
68fced741d
commit
f82953554d
@ -405,7 +405,7 @@ const uint32_t ulMaxDivisor = 0xff, ulDivisorShift = 0x08;
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}
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/*-----------------------------------------------------------*/
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void vApplicationGetIdleTaskMemory( StaticTCB_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint16_t *pusIdleTaskStackSize )
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void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint16_t *pusIdleTaskStackSize )
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{
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/* configUSE_STATIC_ALLOCATION is set to 1, so the application has the
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opportunity to supply the buffers that will be used by the Idle task as its
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@ -417,7 +417,7 @@ void vApplicationGetIdleTaskMemory( StaticTCB_t **ppxIdleTaskTCBBuffer, StackTyp
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}
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/*-----------------------------------------------------------*/
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void vApplicationGetTimerTaskMemory( StaticTCB_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint16_t *pusTimerTaskStackSize )
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void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint16_t *pusTimerTaskStackSize )
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{
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/* configUSE_STATIC_ALLOCATION is set to 1, so the application has the
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opportunity to supply the buffers that will be used by the Timer/RTOS daemon
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@ -70,13 +70,9 @@
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/*
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* Demonstrates how to create FreeRTOS objects using pre-allocated memory,
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* rather than the normal dynamically allocated memory.
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*
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* Two buffers are required by a task - one that is used by the task as its
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* stack, and one that holds the task's control block (TCB).
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* prvStaticallyAllocatedCreator() creates and deletes tasks with all
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* possible combinations of statically allocated and dynamically allocated
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* stacks and TCBs.
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* rather than the normal dynamically allocated memory, and tests objects being
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* created and deleted with both statically allocated memory and dynamically
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* allocated memory.
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*/
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/* Scheduler include files. */
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@ -84,6 +80,8 @@
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#include "task.h"
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#include "queue.h"
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#include "semphr.h"
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#include "event_groups.h"
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#include "timers.h"
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/* Demo program include files. */
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#include "StaticAllocation.h"
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@ -104,15 +102,15 @@ allocation tests. */
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/* Binary semaphores have a maximum count of 1. */
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#define staticBINARY_SEMAPHORE_MAX_COUNT ( 1 )
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/* The size of the stack used by the task that runs the tests. */
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#define staticCREATOR_TASK_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 )
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/* The number of times the software timer will execute before stopping itself. */
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#define staticMAX_TIMER_CALLBACK_EXECUTIONS ( 5 )
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/*-----------------------------------------------------------*/
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/*
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* A task that is created and deleted multiple times, using both statically and
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* dynamically allocated stack and TCB.
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*/
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static void prvStaticallyAllocatedTask( void *pvParameters );
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/*
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* The task that repeatedly creates and deletes statically allocated tasks, and
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* other RTOS objects.
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@ -120,9 +118,16 @@ static void prvStaticallyAllocatedTask( void *pvParameters );
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static void prvStaticallyAllocatedCreator( void *pvParameters );
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/*
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* Utility function to create pseudo random numbers.
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* The callback function used by the software timer that is repeatedly created
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* and deleted using both static and dynamically allocated memory.
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*/
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static UBaseType_t prvRand( void );
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static void prvTimerCallback( TimerHandle_t xExpiredTimer );
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/*
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* A task that is created and deleted multiple times, using both statically and
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* dynamically allocated stack and TCB.
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*/
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static void prvStaticallyAllocatedTask( void *pvParameters );
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/*
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* A function that demonstrates and tests the xTaskCreateStatic() API function
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@ -131,6 +136,13 @@ static UBaseType_t prvRand( void );
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*/
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static void prvCreateAndDeleteStaticallyAllocatedTasks( void );
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/*
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* A function that demonstrates and tests the xEventGroupCreateStatic() API
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* function by creating and then deleting event groups using both dynamically
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* and statically allocated event group structures.
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*/
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static void prvCreateAndDeleteStaticallyAllocatedEventGroups( void );
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/*
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* A function that demonstrates and tests the xQueueCreateStatic() API function
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* by creating and then deleting queues with both dynamically and statically
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@ -145,6 +157,13 @@ static void prvCreateAndDeleteStaticallyAllocatedQueues( void );
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*/
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static void prvCreateAndDeleteStaticallyAllocatedBinarySemaphores( void );
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/*
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* A function that demonstrates and tests the xTimerCreateStatic() API macro by
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* creating and then deleting software timers with both dynamically and
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* statically allocated timer structures.
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*/
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static void prvCreateAndDeleteStaticallyAllocatedTimers( void );
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/*
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* A function that demonstrates and tests the xSemaphoreCreateMutexStatic() API
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* macro by creating and then deleting mutexes with both dynamically and
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@ -167,6 +186,11 @@ static void prvCreateAndDeleteStaticallyAllocatedCountingSemaphores( void );
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*/
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static void prvCreateAndDeleteStaticallyAllocatedRecursiveMutexes( void );
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/*
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* Utility function to create pseudo random numbers.
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*/
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static UBaseType_t prvRand( void );
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/*
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* The task that creates and deletes other tasks has to delay occasionally to
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* ensure lower priority tasks are not starved of processing time. A pseudo
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@ -178,34 +202,39 @@ static TickType_t prvGetNextDelayTime( void );
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/*
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* Checks the basic operation of a queue after it has been created.
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*/
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static void prvCheckQueueFunction( QueueHandle_t xQueue );
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static void prvSanityCheckCreatedQueue( QueueHandle_t xQueue );
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/*
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* Checks the basic operation of a recursive mutex after it has been created.
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*/
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static void prvCheckRecursiveSemaphoreFunction( SemaphoreHandle_t xSemaphore );
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static void prvSanityCheckCreatedRecursiveMutex( SemaphoreHandle_t xSemaphore );
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/*
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* Checks the basic operation of a binary semaphore after it has been created.
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*/
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static void prvCheckSemaphoreFunction( SemaphoreHandle_t xSemaphore, UBaseType_t uxMaxCount );
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static void prvSanityCheckCreatedSemaphore( SemaphoreHandle_t xSemaphore, UBaseType_t uxMaxCount );
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/*
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* Checks the basic operation of an event group after it has been created.
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*/
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static void prvSanityCheckCreatedEventGroup( EventGroupHandle_t xEventGroup );
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/*-----------------------------------------------------------*/
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/* StaticTCB_t is a publicly accessible structure that has the same size and
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/* StaticTask_t is a publicly accessible structure that has the same size and
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alignment requirements as the real TCB structure. It is provided as a mechanism
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for applications to know the size of the TCB (which is dependent on the
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architecture and configuration file settings) without breaking the strict data
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hiding policy by exposing the real TCB. This StaticTCB_t variable is passed
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hiding policy by exposing the real TCB. This StaticTask_t variable is passed
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into the xTaskCreateStatic() function that creates the
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prvStaticallyAllocatedCreator() task, and will hold the TCB of the created
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tasks. */
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static StaticTCB_t xCreatorTaskTCBBuffer;
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static StaticTask_t xCreatorTaskTCBBuffer;
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/* This is the stack that will be used by the prvStaticallyAllocatedCreator()
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task, which is itself created using statically allocated buffers (so without any
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dynamic memory allocation). */
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static StackType_t uxCreatorTaskStackBuffer[ configMINIMAL_STACK_SIZE ];
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static StackType_t uxCreatorTaskStackBuffer[ staticCREATOR_TASK_STACK_SIZE ];
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/* Used by the pseudo random number generating function. */
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static uint32_t ulNextRand = 0;
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@ -224,9 +253,9 @@ void vStartStaticallyAllocatedTasks( void )
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/* Create a single task, which then repeatedly creates and deletes the
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task implemented by prvStaticallyAllocatedTask() at various different
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priorities, and both with and without statically allocated TCB and stack. */
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xTaskCreateStatic( prvStaticallyAllocatedCreator, /* The function that implements the task being created. */
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xTaskCreateStatic( prvStaticallyAllocatedCreator, /* The function that implements the task being created. */
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"StatCreate", /* Text name for the task - not used by the RTOS, its just to assist debugging. */
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configMINIMAL_STACK_SIZE, /* Size of the buffer passed in as the stack - in words, not bytes! */
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staticCREATOR_TASK_STACK_SIZE, /* Size of the buffer passed in as the stack - in words, not bytes! */
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NULL, /* Parameter passed into the task - not used in this case. */
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staticTASK_PRIORITY, /* Priority of the task. */
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NULL, /* Handle of the task being created, not used in this case. */
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@ -254,11 +283,58 @@ static void prvStaticallyAllocatedCreator( void *pvParameters )
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prvCreateAndDeleteStaticallyAllocatedCountingSemaphores();
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prvCreateAndDeleteStaticallyAllocatedMutexes();
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prvCreateAndDeleteStaticallyAllocatedRecursiveMutexes();
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prvCreateAndDeleteStaticallyAllocatedEventGroups();
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prvCreateAndDeleteStaticallyAllocatedTimers();
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}
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}
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/*-----------------------------------------------------------*/
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static void prvCheckSemaphoreFunction( SemaphoreHandle_t xSemaphore, UBaseType_t uxMaxCount )
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static void prvSanityCheckCreatedEventGroup( EventGroupHandle_t xEventGroup )
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{
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EventBits_t xEventBits;
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const EventBits_t xFirstTestBits = ( EventBits_t ) 0xaa, xSecondTestBits = ( EventBits_t ) 0x55;
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/* The event group should not have any bits set yet. */
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xEventBits = xEventGroupGetBits( xEventGroup );
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if( xEventBits != ( EventBits_t ) 0 )
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{
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xErrorOccurred = pdTRUE;
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}
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/* Some some bits, then read them back to check they are as expected. */
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xEventGroupSetBits( xEventGroup, xFirstTestBits );
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xEventBits = xEventGroupGetBits( xEventGroup );
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if( xEventBits != xFirstTestBits )
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{
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xErrorOccurred = pdTRUE;
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}
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xEventGroupSetBits( xEventGroup, xSecondTestBits );
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xEventBits = xEventGroupGetBits( xEventGroup );
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if( xEventBits != ( xFirstTestBits | xSecondTestBits ) )
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{
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xErrorOccurred = pdTRUE;
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}
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/* Finally try clearing some bits too and check that operation proceeds as
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expected. */
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xEventGroupClearBits( xEventGroup, xFirstTestBits );
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xEventBits = xEventGroupGetBits( xEventGroup );
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if( xEventBits != xSecondTestBits )
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{
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xErrorOccurred = pdTRUE;
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}
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}
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/*-----------------------------------------------------------*/
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static void prvSanityCheckCreatedSemaphore( SemaphoreHandle_t xSemaphore, UBaseType_t uxMaxCount )
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{
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BaseType_t xReturned;
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UBaseType_t x;
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@ -335,7 +411,7 @@ TickType_t xTickCount;
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}
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/*-----------------------------------------------------------*/
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static void prvCheckQueueFunction( QueueHandle_t xQueue )
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static void prvSanityCheckCreatedQueue( QueueHandle_t xQueue )
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{
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uint64_t ull, ullRead;
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BaseType_t xReturned, xLoop;
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@ -396,7 +472,7 @@ BaseType_t xReturned, xLoop;
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}
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/*-----------------------------------------------------------*/
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static void prvCheckRecursiveSemaphoreFunction( SemaphoreHandle_t xSemaphore )
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static void prvSanityCheckCreatedRecursiveMutex( SemaphoreHandle_t xSemaphore )
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{
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const BaseType_t xLoops = 5;
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BaseType_t x, xReturned;
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@ -458,7 +534,7 @@ StaticSemaphore_t variable is passed into the xSemaphoreCreateCountingStatic()
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function calls within this function. NOTE: In most usage scenarios now it is
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faster and more memory efficient to use a direct to task notification instead of
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a counting semaphore. http://www.freertos.org/RTOS-task-notifications.html */
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static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much stack space. */
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StaticSemaphore_t xSemaphoreBuffer;
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/* Create the semaphore. xSemaphoreCreateCountingStatic() has one more
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parameter than the usual xSemaphoreCreateCounting() function. The paraemter
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@ -473,7 +549,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
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configASSERT( xSemaphore == ( SemaphoreHandle_t ) &xSemaphoreBuffer );
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/* Ensure the semaphore passes a few sanity checks as a valid semaphore. */
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prvCheckSemaphoreFunction( xSemaphore, uxMaxCount );
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prvSanityCheckCreatedSemaphore( xSemaphore, uxMaxCount );
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/* Delete the semaphore again so the buffers can be reused. */
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vSemaphoreDelete( xSemaphore );
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@ -486,7 +562,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
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xSemaphore = xSemaphoreCreateCountingStatic( uxMaxCount, 0, NULL );
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/* Ensure the semaphore passes a few sanity checks as a valid semaphore. */
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prvCheckSemaphoreFunction( xSemaphore, uxMaxCount );
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prvSanityCheckCreatedSemaphore( xSemaphore, uxMaxCount );
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/* Delete the semaphore again so the buffers can be reused. */
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vSemaphoreDelete( xSemaphore );
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@ -510,7 +586,7 @@ on the architecture and configuration file settings) without breaking the strict
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data hiding policy by exposing the real semaphore internals. This
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StaticSemaphore_t variable is passed into the
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xSemaphoreCreateRecursiveMutexStatic() function calls within this function. */
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static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much stack space. */
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StaticSemaphore_t xSemaphoreBuffer;
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/* Create the semaphore. xSemaphoreCreateRecursiveMutexStatic() has one
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more parameter than the usual xSemaphoreCreateRecursiveMutex() function.
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@ -526,7 +602,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
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/* Ensure the semaphore passes a few sanity checks as a valid
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recursive semaphore. */
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prvCheckRecursiveSemaphoreFunction( xSemaphore );
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prvSanityCheckCreatedRecursiveMutex( xSemaphore );
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/* Delete the semaphore again so the buffers can be reused. */
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vSemaphoreDelete( xSemaphore );
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@ -539,7 +615,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
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xSemaphore = xSemaphoreCreateRecursiveMutexStatic( NULL );
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/* Ensure the semaphore passes a few sanity checks as a valid semaphore. */
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prvCheckRecursiveSemaphoreFunction( xSemaphore );
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prvSanityCheckCreatedRecursiveMutex( xSemaphore );
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/* Delete the semaphore again so the buffers can be reused. */
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vSemaphoreDelete( xSemaphore );
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@ -588,7 +664,7 @@ static uint8_t ucQueueStorageArea[ staticQUEUE_LENGTH_IN_ITEMS * sizeof( uint64_
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configASSERT( xQueue == ( QueueHandle_t ) &xStaticQueue );
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/* Ensure the queue passes a few sanity checks as a valid queue. */
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prvCheckQueueFunction( xQueue );
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prvSanityCheckCreatedQueue( xQueue );
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/* Delete the queue again so the buffers can be reused. */
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vQueueDelete( xQueue );
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@ -604,7 +680,7 @@ static uint8_t ucQueueStorageArea[ staticQUEUE_LENGTH_IN_ITEMS * sizeof( uint64_
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&xStaticQueue ); /* The static queue structure that will hold the state of the queue. */
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configASSERT( xQueue == ( QueueHandle_t ) &xStaticQueue );
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prvCheckQueueFunction( xQueue );
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prvSanityCheckCreatedQueue( xQueue );
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vQueueDelete( xQueue );
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/* Ensure lower priority tasks get CPU time. */
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@ -618,7 +694,7 @@ static uint8_t ucQueueStorageArea[ staticQUEUE_LENGTH_IN_ITEMS * sizeof( uint64_
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ucQueueStorageArea, /* The buffer used to hold items within the queue. */
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NULL ); /* The queue structure is allocated dynamically. */
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prvCheckQueueFunction( xQueue );
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prvSanityCheckCreatedQueue( xQueue );
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vQueueDelete( xQueue );
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xQueue = xQueueCreateStatic( staticQUEUE_LENGTH_IN_ITEMS, /* The maximum number of items the queue can hold. */
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@ -626,7 +702,7 @@ static uint8_t ucQueueStorageArea[ staticQUEUE_LENGTH_IN_ITEMS * sizeof( uint64_
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NULL, /* Allocate the buffer used to hold items within the queue dynamically. */
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NULL ); /* The queue structure is allocated dynamically. */
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prvCheckQueueFunction( xQueue );
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prvSanityCheckCreatedQueue( xQueue );
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vQueueDelete( xQueue );
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/* Ensure lower priority tasks get CPU time. */
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@ -649,7 +725,7 @@ on the architecture and configuration file settings) without breaking the strict
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data hiding policy by exposing the real semaphore internals. This
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StaticSemaphore_t variable is passed into the xSemaphoreCreateMutexStatic()
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function calls within this function. */
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static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much stack space. */
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StaticSemaphore_t xSemaphoreBuffer;
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/* Create the semaphore. xSemaphoreCreateMutexStatic() has one more
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parameter than the usual xSemaphoreCreateMutex() function. The paraemter
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@ -664,7 +740,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
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configASSERT( xSemaphore == ( SemaphoreHandle_t ) &xSemaphoreBuffer );
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/* Take the mutex so the mutex is in the state expected by the
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prvCheckSemaphoreFunction() function. */
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prvSanityCheckCreatedSemaphore() function. */
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xReturned = xSemaphoreTake( xSemaphore, staticDONT_BLOCK );
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if( xReturned != pdPASS )
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@ -673,7 +749,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
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}
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/* Ensure the semaphore passes a few sanity checks as a valid semaphore. */
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prvCheckSemaphoreFunction( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
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prvSanityCheckCreatedSemaphore( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
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/* Delete the semaphore again so the buffers can be reused. */
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vSemaphoreDelete( xSemaphore );
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@ -685,7 +761,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
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xSemaphore = xSemaphoreCreateMutexStatic( NULL );
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/* Take the mutex so the mutex is in the state expected by the
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prvCheckSemaphoreFunction() function. */
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prvSanityCheckCreatedSemaphore() function. */
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xReturned = xSemaphoreTake( xSemaphore, staticDONT_BLOCK );
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if( xReturned != pdPASS )
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@ -694,7 +770,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
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}
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/* Ensure the semaphore passes a few sanity checks as a valid semaphore. */
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prvCheckSemaphoreFunction( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
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prvSanityCheckCreatedSemaphore( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
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/* Delete the semaphore again so the buffers can be reused. */
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vSemaphoreDelete( xSemaphore );
|
||||
@ -720,7 +796,7 @@ StaticSemaphore_t variable is passed into the xSemaphoreCreateBinaryStatic()
|
||||
function calls within this function. NOTE: In most usage scenarios now it is
|
||||
faster and more memory efficient to use a direct to task notification instead of
|
||||
a binary semaphore. http://www.freertos.org/RTOS-task-notifications.html */
|
||||
static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much stack space. */
|
||||
StaticSemaphore_t xSemaphoreBuffer;
|
||||
|
||||
/* Create the semaphore. xSemaphoreCreateBinaryStatic() has one more
|
||||
parameter than the usual xSemaphoreCreateBinary() function. The paraemter
|
||||
@ -735,7 +811,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
|
||||
configASSERT( xSemaphore == ( SemaphoreHandle_t ) &xSemaphoreBuffer );
|
||||
|
||||
/* Ensure the semaphore passes a few sanity checks as a valid semaphore. */
|
||||
prvCheckSemaphoreFunction( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
|
||||
prvSanityCheckCreatedSemaphore( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
|
||||
|
||||
/* Delete the semaphore again so the buffers can be reused. */
|
||||
vSemaphoreDelete( xSemaphore );
|
||||
@ -747,7 +823,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
|
||||
xSemaphore = xSemaphoreCreateBinaryStatic( NULL );
|
||||
|
||||
/* Ensure the semaphore passes a few sanity checks as a valid semaphore. */
|
||||
prvCheckSemaphoreFunction( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
|
||||
prvSanityCheckCreatedSemaphore( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
|
||||
|
||||
/* Delete the semaphore again so the buffers can be reused. */
|
||||
vSemaphoreDelete( xSemaphore );
|
||||
@ -767,7 +843,7 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
|
||||
xErrorOccurred = pdTRUE;
|
||||
}
|
||||
|
||||
prvCheckSemaphoreFunction( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
|
||||
prvSanityCheckCreatedSemaphore( xSemaphore, staticBINARY_SEMAPHORE_MAX_COUNT );
|
||||
vSemaphoreDelete( xSemaphore );
|
||||
|
||||
/* Ensure lower priority tasks get CPU time. */
|
||||
@ -778,6 +854,189 @@ static StaticSemaphore_t xSemaphoreBuffer; /* Static so it doesn't use too much
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvTimerCallback( TimerHandle_t xExpiredTimer )
|
||||
{
|
||||
UBaseType_t *puxVariableToIncrement;
|
||||
BaseType_t xReturned;
|
||||
|
||||
/* Obtain the address of the variable to increment from the timer ID. */
|
||||
puxVariableToIncrement = ( UBaseType_t * ) pvTimerGetTimerID( xExpiredTimer );
|
||||
|
||||
/* Increment the variable to show the timer callback has executed. */
|
||||
( *puxVariableToIncrement )++;
|
||||
|
||||
/* If this callback has executed the required number of times, stop the
|
||||
timer. */
|
||||
if( *puxVariableToIncrement == staticMAX_TIMER_CALLBACK_EXECUTIONS )
|
||||
{
|
||||
/* This is called from a timer callback so must not block. */
|
||||
xReturned = xTimerStop( xExpiredTimer, staticDONT_BLOCK );
|
||||
|
||||
if( xReturned != pdPASS )
|
||||
{
|
||||
xErrorOccurred = pdTRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvCreateAndDeleteStaticallyAllocatedTimers( void )
|
||||
{
|
||||
TimerHandle_t xTimer;
|
||||
UBaseType_t uxVariableToIncrement;
|
||||
const TickType_t xTimerPeriod = pdMS_TO_TICKS( 20 );
|
||||
BaseType_t xReturned;
|
||||
|
||||
/* StaticTimer_t is a publicly accessible structure that has the same size
|
||||
and alignment requirements as the real timer structure. It is provided as a
|
||||
mechanism for applications to know the size of the timer structure (which is
|
||||
dependent on the architecture and configuration file settings) without breaking
|
||||
the strict data hiding policy by exposing the real timer internals. This
|
||||
StaticTimer_t variable is passed into the xTimerCreateStatic() function calls
|
||||
within this function. */
|
||||
StaticTimer_t xTimerBuffer;
|
||||
|
||||
/* Create the software time. xTimerCreateStatic() has an extra parameter
|
||||
than the normal xTimerCreate() API function. The parameter is a pointer to
|
||||
the StaticTimer_t structure that will hold the software timer structure. If
|
||||
the parameter is passed as NULL then the structure will be allocated
|
||||
dynamically, just as if xTimerCreate() had been called. */
|
||||
xTimer = xTimerCreateStatic( "T1", /* Text name for the task. Helps debugging only. Not used by FreeRTOS. */
|
||||
xTimerPeriod, /* The period of the timer in ticks. */
|
||||
pdTRUE, /* This is an auto-reload timer. */
|
||||
( void * ) &uxVariableToIncrement, /* The variable incremented by the test is passed into the timer callback using the timer ID. */
|
||||
prvTimerCallback, /* The function to execute when the timer expires. */
|
||||
&xTimerBuffer ); /* The buffer that will hold the software timer structure. */
|
||||
|
||||
/* The timer handle should equal the static timer structure passed into the
|
||||
xTimerCreateStatic() function. */
|
||||
configASSERT( xTimer == ( TimerHandle_t ) &xTimerBuffer );
|
||||
|
||||
/* Set the variable to 0, wait for a few timer periods to expire, then check
|
||||
the timer callback has incremented the variable to the expected value. */
|
||||
uxVariableToIncrement = 0;
|
||||
|
||||
/* This is a low priority so a block time should not be needed. */
|
||||
xReturned = xTimerStart( xTimer, staticDONT_BLOCK );
|
||||
|
||||
if( xReturned != pdPASS )
|
||||
{
|
||||
xErrorOccurred = pdTRUE;
|
||||
}
|
||||
|
||||
vTaskDelay( xTimerPeriod * staticMAX_TIMER_CALLBACK_EXECUTIONS );
|
||||
|
||||
/* By now the timer should have expired staticMAX_TIMER_CALLBACK_EXECUTIONS
|
||||
times, and then stopped itself. */
|
||||
if( uxVariableToIncrement != staticMAX_TIMER_CALLBACK_EXECUTIONS )
|
||||
{
|
||||
xErrorOccurred = pdTRUE;
|
||||
}
|
||||
|
||||
/* Finished with the timer, delete it. */
|
||||
xReturned = xTimerDelete( xTimer, staticDONT_BLOCK );
|
||||
|
||||
/* Again, as this is a low priority task it is expected that the timer
|
||||
command will have been sent even without a block time being used. */
|
||||
if( xReturned != pdPASS )
|
||||
{
|
||||
xErrorOccurred = pdTRUE;
|
||||
}
|
||||
|
||||
/* Just to show the check task that this task is still executing. */
|
||||
uxCycleCounter++;
|
||||
|
||||
/* The software timer created above had a statically allocated timer
|
||||
structure. Repeat the above using NULL as the xTimerCreateStatic()
|
||||
parameter so the timer structure is instead allocated dynamically. */
|
||||
xTimer = xTimerCreateStatic( "T1", /* Text name for the task. Helps debugging only. Not used by FreeRTOS. */
|
||||
xTimerPeriod, /* The period of the timer in ticks. */
|
||||
pdTRUE, /* This is an auto-reload timer. */
|
||||
( void * ) &uxVariableToIncrement, /* The variable incremented by the test is passed into the timer callback using the timer ID. */
|
||||
prvTimerCallback, /* The function to execute when the timer expires. */
|
||||
NULL ); /* A buffer is not passed this time, so the timer should be allocated dynamically. */
|
||||
uxVariableToIncrement = 0;
|
||||
xReturned = xTimerStart( xTimer, staticDONT_BLOCK );
|
||||
|
||||
if( xReturned != pdPASS )
|
||||
{
|
||||
xErrorOccurred = pdTRUE;
|
||||
}
|
||||
|
||||
vTaskDelay( xTimerPeriod * staticMAX_TIMER_CALLBACK_EXECUTIONS );
|
||||
|
||||
/* Just to show the check task that this task is still executing. */
|
||||
uxCycleCounter++;
|
||||
|
||||
if( uxVariableToIncrement != staticMAX_TIMER_CALLBACK_EXECUTIONS )
|
||||
{
|
||||
xErrorOccurred = pdTRUE;
|
||||
}
|
||||
|
||||
xReturned = xTimerDelete( xTimer, staticDONT_BLOCK );
|
||||
|
||||
if( xReturned != pdPASS )
|
||||
{
|
||||
xErrorOccurred = pdTRUE;
|
||||
}
|
||||
|
||||
/* Just to show the check task that this task is still executing. */
|
||||
uxCycleCounter++;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvCreateAndDeleteStaticallyAllocatedEventGroups( void )
|
||||
{
|
||||
EventGroupHandle_t xEventGroup;
|
||||
|
||||
/* StaticEventGroup_t is a publicly accessible structure that has the same size
|
||||
and alignment requirements as the real event group structure. It is provided as
|
||||
a mechanism for applications to know the size of the event group (which is
|
||||
dependent on the architecture and configuration file settings) without breaking
|
||||
the strict data hiding policy by exposing the real event group internals. This
|
||||
StaticEventGroup_t variable is passed into the xSemaphoreCreateEventGroupStatic()
|
||||
function calls within this function. */
|
||||
StaticEventGroup_t xEventGroupBuffer;
|
||||
|
||||
/* Create the event group. xEventGroupCreateStatic() has an extra parameter
|
||||
than the normal xEventGroupCreate() API function. The parameter is a
|
||||
pointer to the StaticEventGroup_t structure that will hold the event group
|
||||
structure. If the parameter is passed as NULL then the structure will be
|
||||
allocated dynamically, just as if xEventGroupCreate() had been called. */
|
||||
xEventGroup = xEventGroupCreateStatic( &xEventGroupBuffer );
|
||||
|
||||
/* The event group handle should equal the static event group structure
|
||||
passed into the xEventGroupCreateStatic() function. */
|
||||
configASSERT( xEventGroup == ( EventGroupHandle_t ) &xEventGroupBuffer );
|
||||
|
||||
/* Ensure the event group passes a few sanity checks as a valid event
|
||||
group. */
|
||||
prvSanityCheckCreatedEventGroup( xEventGroup );
|
||||
|
||||
/* Delete the event group again so the buffers can be reused. */
|
||||
vEventGroupDelete( xEventGroup );
|
||||
|
||||
|
||||
/* The event group created above had a statically allocated event group
|
||||
structure. Repeat the above using NULL as the xEventGroupCreateStatic()
|
||||
parameter so the event group structure is instead allocated dynamically. */
|
||||
xEventGroup = xEventGroupCreateStatic( NULL );
|
||||
|
||||
/* Ensure the event group passes a few sanity checks as a valid event
|
||||
group. */
|
||||
prvSanityCheckCreatedEventGroup( xEventGroup );
|
||||
|
||||
/* Delete the event group again so the buffers can be reused. */
|
||||
vEventGroupDelete( xEventGroup );
|
||||
|
||||
/* Ensure lower priority tasks get CPU time. */
|
||||
vTaskDelay( prvGetNextDelayTime() );
|
||||
|
||||
/* Just to show the check task that this task is still executing. */
|
||||
uxCycleCounter++;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvCreateAndDeleteStaticallyAllocatedTasks( void )
|
||||
{
|
||||
TaskHandle_t xCreatedTask;
|
||||
@ -786,7 +1045,7 @@ BaseType_t xReturned;
|
||||
/* The variable that will hold the TCB of tasks created by this function. See
|
||||
the comments above the declaration of the xCreatorTaskTCBBuffer variable for
|
||||
more information. */
|
||||
static StaticTCB_t xTCBBuffer; /* Static so it does not use too much stack space. */
|
||||
StaticTask_t xTCBBuffer;
|
||||
|
||||
/* This buffer that will be used as the stack of tasks created by this function.
|
||||
See the comments above the declaration of the uxCreatorTaskStackBuffer[] array
|
||||
@ -796,7 +1055,7 @@ static StackType_t uxStackBuffer[ configMINIMAL_STACK_SIZE ];
|
||||
/* Create the task. xTaskCreateStatic() has two more parameters than
|
||||
the usual xTaskCreate() function. The first new parameter is a pointer to
|
||||
the pre-allocated stack. The second new parameter is a pointer to the
|
||||
StaticTCB_t structure that will hold the task's TCB. If either pointer is
|
||||
StaticTask_t structure that will hold the task's TCB. If either pointer is
|
||||
passed as NULL then the respective object will be allocated dynamically as
|
||||
if xTaskCreate() had been called. */
|
||||
xReturned = xTaskCreateStatic(
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
[InternetShortcut]
|
||||
URL=http://www.freertos.org/udp
|
||||
URL=http://www.freertos.org/tcp
|
||||
IDList=
|
||||
HotKey=0
|
||||
[{000214A0-0000-0000-C000-000000000046}]
|
||||
Prop3=19,2
|
||||
@ -111,6 +111,9 @@ typedef struct xEventGroupDefinition
|
||||
UBaseType_t uxEventGroupNumber;
|
||||
#endif
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
uint8_t ucStaticallyAllocated;
|
||||
#endif
|
||||
} EventGroup_t;
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
@ -127,15 +130,36 @@ static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits, co
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
EventGroupHandle_t xEventGroupCreate( void )
|
||||
EventGroupHandle_t xEventGroupGenericCreate( StaticEventGroup_t *pxStaticEventGroup )
|
||||
{
|
||||
EventGroup_t *pxEventBits;
|
||||
|
||||
pxEventBits = ( EventGroup_t * ) pvPortMalloc( sizeof( EventGroup_t ) );
|
||||
if( pxStaticEventGroup == NULL )
|
||||
{
|
||||
/* The user has not provided a statically allocated event group, so
|
||||
create on dynamically. */
|
||||
pxEventBits = ( EventGroup_t * ) pvPortMalloc( sizeof( EventGroup_t ) );
|
||||
}
|
||||
else
|
||||
{
|
||||
/* The user has provided a statically allocated event group - use it. */
|
||||
pxEventBits = ( EventGroup_t * ) pxStaticEventGroup;
|
||||
}
|
||||
|
||||
if( pxEventBits != NULL )
|
||||
{
|
||||
pxEventBits->uxEventBits = 0;
|
||||
vListInitialise( &( pxEventBits->xTasksWaitingForBits ) );
|
||||
|
||||
if( pxStaticEventGroup == NULL )
|
||||
{
|
||||
pxEventBits->ucStaticallyAllocated = pdFALSE;
|
||||
}
|
||||
else
|
||||
{
|
||||
pxEventBits->ucStaticallyAllocated = pdTRUE;
|
||||
}
|
||||
|
||||
traceEVENT_GROUP_CREATE( pxEventBits );
|
||||
}
|
||||
else
|
||||
@ -580,7 +604,11 @@ const List_t *pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits );
|
||||
( void ) xTaskRemoveFromUnorderedEventList( pxTasksWaitingForBits->xListEnd.pxNext, eventUNBLOCKED_DUE_TO_BIT_SET );
|
||||
}
|
||||
|
||||
vPortFree( pxEventBits );
|
||||
/* Only free the memory if it was allocated dynamically. */
|
||||
if( pxEventBits->ucStaticallyAllocated == pdFALSE )
|
||||
{
|
||||
vPortFree( pxEventBits );
|
||||
}
|
||||
}
|
||||
( void ) xTaskResumeAll();
|
||||
}
|
||||
|
||||
@ -876,12 +876,17 @@ typedef enum
|
||||
} eDummy;
|
||||
|
||||
/*
|
||||
* In line with software engineering best practice, FreeRTOS implements a strict
|
||||
* data hiding policy, so the real task control block (TCB) structure is not
|
||||
* accessible to the application code. However, if the application writer wants
|
||||
* to statically allocate a TCB then the size of the TCB needs to be know. The
|
||||
* dummy TCB structure below is used for this purpose. Its size will allows
|
||||
* match the size of the real TCB, no matter what the FreeRTOSConfig.h settings.
|
||||
* In line with software engineering best practice, especially when supplying a
|
||||
* library that is likely to change in future versions, FreeRTOS implements a
|
||||
* strict data hiding policy. This means the Task structure used internally by
|
||||
* FreeRTOS is not accessible to application code. However, if the application
|
||||
* writer wants to statically allocate the memory required to create a task then
|
||||
* the size of the task object needs to be know. The StaticTask_t structure
|
||||
* below is provided for this purpose. Its sizes and alignment requirements are
|
||||
* guaranteed to match those of the genuine structure, no matter which
|
||||
* architecture is being used, and no matter how the values in FreeRTOSConfig.h
|
||||
* are set. Its contents are somewhat obfuscated in the hope users will
|
||||
* recognise that it would be unwise to make direct use of the structure members.
|
||||
*/
|
||||
typedef struct xSTATIC_TCB
|
||||
{
|
||||
@ -925,16 +930,21 @@ typedef struct xSTATIC_TCB
|
||||
uint8_t uxDummy20;
|
||||
#endif
|
||||
|
||||
} StaticTCB_t;
|
||||
} StaticTask_t;
|
||||
|
||||
/*
|
||||
* In line with software engineering best practice, FreeRTOS implements a strict
|
||||
* data hiding policy, so the queue structure is not accessible to the
|
||||
* application code. However, if the application writer wants to statically
|
||||
* allocate a queue (or one of the other objects that uses a queue as its base
|
||||
* structure) then the size of the queue needs to be know. The dummy queue
|
||||
* structure below is used for this purpose. Its size will allows match the
|
||||
* size of the real queue, no matter what the FreeRTOSConfig.h settings.
|
||||
* In line with software engineering best practice, especially when supplying a
|
||||
* library that is likely to change in future versions, FreeRTOS implements a
|
||||
* strict data hiding policy. This means the Queue structure used internally by
|
||||
* FreeRTOS is not accessible to application code. However, if the application
|
||||
* writer wants to statically allocate the memory required to create a queue
|
||||
* then the size of the queue object needs to be know. The StaticQueue_t
|
||||
* structure below is provided for this purpose. Its sizes and alignment
|
||||
* requirements are guaranteed to match those of the genuine structure, no
|
||||
* matter which architecture is being used, and no matter how the values in
|
||||
* FreeRTOSConfig.h are set. Its contents are somewhat obfuscated in the hope
|
||||
* users will recognise that it would be unwise to make direct use of the
|
||||
* structure members.
|
||||
*/
|
||||
typedef struct xSTATIC_QUEUE
|
||||
{
|
||||
@ -963,9 +973,67 @@ typedef struct xSTATIC_QUEUE
|
||||
#endif
|
||||
|
||||
} StaticQueue_t;
|
||||
|
||||
typedef StaticQueue_t StaticSemaphore_t;
|
||||
|
||||
/*
|
||||
* In line with software engineering best practice, especially when supplying a
|
||||
* library that is likely to change in future versions, FreeRTOS implements a
|
||||
* strict data hiding policy. This means the event group structure used
|
||||
* internally by FreeRTOS is not accessible to application code. However, if
|
||||
* the application writer wants to statically allocate the memory required to
|
||||
* create an event group then the size of the event group object needs to be
|
||||
* know. The StaticEventGroup_t structure below is provided for this purpose.
|
||||
* Its sizes and alignment requirements are guaranteed to match those of the
|
||||
* genuine structure, no matter which architecture is being used, and no matter
|
||||
* how the values in FreeRTOSConfig.h are set. Its contents are somewhat
|
||||
* obfuscated in the hope users will recognise that it would be unwise to make
|
||||
* direct use of the structure members.
|
||||
*/
|
||||
typedef struct xSTATIC_EVENT_GROUP
|
||||
{
|
||||
TickType_t xDummy1;
|
||||
StaticList_t xDummy2;
|
||||
|
||||
#if( configUSE_TRACE_FACILITY == 1 )
|
||||
UBaseType_t uxDummy3;
|
||||
#endif
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
uint8_t ucStaticallyAllocated;
|
||||
#endif
|
||||
|
||||
} StaticEventGroup_t;
|
||||
|
||||
/*
|
||||
* In line with software engineering best practice, especially when supplying a
|
||||
* library that is likely to change in future versions, FreeRTOS implements a
|
||||
* strict data hiding policy. This means the software timer structure used
|
||||
* internally by FreeRTOS is not accessible to application code. However, if
|
||||
* the application writer wants to statically allocate the memory required to
|
||||
* create a software timer then the size of the queue object needs to be know.
|
||||
* The StaticTimer_t structure below is provided for this purpose. Its sizes
|
||||
* and alignment requirements are guaranteed to match those of the genuine
|
||||
* structure, no matter which architecture is being used, and no matter how the
|
||||
* values in FreeRTOSConfig.h are set. Its contents are somewhat obfuscated in
|
||||
* the hope users will recognise that it would be unwise to make direct use of
|
||||
* the structure members.
|
||||
*/
|
||||
typedef struct xSTATIC_TIMER
|
||||
{
|
||||
void *pvDummy1;
|
||||
StaticListItem_t xDummy2;
|
||||
TickType_t xDummy3;
|
||||
UBaseType_t uxDummy4;
|
||||
void *pvDummy5[ 2 ];
|
||||
#if( configUSE_TRACE_FACILITY == 1 )
|
||||
UBaseType_t uxDummy6;
|
||||
#endif
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
uint8_t ucStaticallyAllocated;
|
||||
#endif
|
||||
|
||||
} StaticTimer_t;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
||||
@ -121,10 +121,10 @@ extern "C" {
|
||||
*/
|
||||
typedef void * EventGroupHandle_t;
|
||||
|
||||
/*
|
||||
/*
|
||||
* The type that holds event bits always matches TickType_t - therefore the
|
||||
* number of bits it holds is set by configUSE_16_BIT_TICKS (16 bits if set to 1,
|
||||
* 32 bits if set to 0.
|
||||
* 32 bits if set to 0.
|
||||
*
|
||||
* \defgroup EventBits_t EventBits_t
|
||||
* \ingroup EventGroup
|
||||
@ -173,7 +173,11 @@ typedef TickType_t EventBits_t;
|
||||
* \defgroup xEventGroupCreate xEventGroupCreate
|
||||
* \ingroup EventGroup
|
||||
*/
|
||||
EventGroupHandle_t xEventGroupCreate( void ) PRIVILEGED_FUNCTION;
|
||||
#define xEventGroupCreate() xEventGroupGenericCreate( NULL )
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
#define xEventGroupCreateStatic( pxStaticEventGroup ) xEventGroupGenericCreate( ( pxStaticEventGroup ) )
|
||||
#endif
|
||||
|
||||
/**
|
||||
* event_groups.h
|
||||
@ -340,8 +344,8 @@ EventBits_t xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBit
|
||||
* while interrupts are disabled, so protects event groups that are accessed
|
||||
* from tasks by suspending the scheduler rather than disabling interrupts. As
|
||||
* a result event groups cannot be accessed directly from an interrupt service
|
||||
* routine. Therefore xEventGroupClearBitsFromISR() sends a message to the
|
||||
* timer task to have the clear operation performed in the context of the timer
|
||||
* routine. Therefore xEventGroupClearBitsFromISR() sends a message to the
|
||||
* timer task to have the clear operation performed in the context of the timer
|
||||
* task.
|
||||
*
|
||||
* @param xEventGroup The event group in which the bits are to be cleared.
|
||||
@ -350,8 +354,8 @@ EventBits_t xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBit
|
||||
* For example, to clear bit 3 only, set uxBitsToClear to 0x08. To clear bit 3
|
||||
* and bit 0 set uxBitsToClear to 0x09.
|
||||
*
|
||||
* @return If the request to execute the function was posted successfully then
|
||||
* pdPASS is returned, otherwise pdFALSE is returned. pdFALSE will be returned
|
||||
* @return If the request to execute the function was posted successfully then
|
||||
* pdPASS is returned, otherwise pdFALSE is returned. pdFALSE will be returned
|
||||
* if the timer service queue was full.
|
||||
*
|
||||
* Example usage:
|
||||
@ -491,8 +495,8 @@ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_
|
||||
* *pxHigherPriorityTaskWoken must be initialised to pdFALSE. See the
|
||||
* example code below.
|
||||
*
|
||||
* @return If the request to execute the function was posted successfully then
|
||||
* pdPASS is returned, otherwise pdFALSE is returned. pdFALSE will be returned
|
||||
* @return If the request to execute the function was posted successfully then
|
||||
* pdPASS is returned, otherwise pdFALSE is returned. pdFALSE will be returned
|
||||
* if the timer service queue was full.
|
||||
*
|
||||
* Example usage:
|
||||
@ -521,8 +525,8 @@ EventBits_t xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_
|
||||
if( xResult == pdPASS )
|
||||
{
|
||||
// If xHigherPriorityTaskWoken is now set to pdTRUE then a context
|
||||
// switch should be requested. The macro used is port specific and
|
||||
// will be either portYIELD_FROM_ISR() or portEND_SWITCHING_ISR() -
|
||||
// switch should be requested. The macro used is port specific and
|
||||
// will be either portYIELD_FROM_ISR() or portEND_SWITCHING_ISR() -
|
||||
// refer to the documentation page for the port being used.
|
||||
portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
|
||||
}
|
||||
@ -717,6 +721,12 @@ void vEventGroupDelete( EventGroupHandle_t xEventGroup ) PRIVILEGED_FUNCTION;
|
||||
void vEventGroupSetBitsCallback( void *pvEventGroup, const uint32_t ulBitsToSet ) PRIVILEGED_FUNCTION;
|
||||
void vEventGroupClearBitsCallback( void *pvEventGroup, const uint32_t ulBitsToClear ) PRIVILEGED_FUNCTION;
|
||||
|
||||
/*
|
||||
* Generic version of the event group creation function, which is in turn called
|
||||
* by the event group creation macros.
|
||||
*/
|
||||
EventGroupHandle_t xEventGroupGenericCreate( StaticEventGroup_t *pxStaticEventGroup );
|
||||
|
||||
#if (configUSE_TRACE_FACILITY == 1)
|
||||
UBaseType_t uxEventGroupGetNumber( void* xEventGroup ) PRIVILEGED_FUNCTION;
|
||||
#endif
|
||||
|
||||
@ -174,7 +174,7 @@ typedef void * QueueSetMemberHandle_t;
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
#define xQueueCreateStatic( uxQueueLength, uxItemSize, pucQueueStorage, pxStaticQueue ) xQueueGenericCreate( uxQueueLength, uxItemSize, pucQueueStorage, pxStaticQueue, queueQUEUE_TYPE_BASE )
|
||||
#endif
|
||||
#endif /* configSUPPORT_STATIC_ALLOCATION */
|
||||
|
||||
/**
|
||||
* queue. h
|
||||
|
||||
@ -191,7 +191,10 @@ typedef QueueHandle_t SemaphoreHandle_t;
|
||||
* \ingroup Semaphores
|
||||
*/
|
||||
#define xSemaphoreCreateBinary() xQueueGenericCreate( ( UBaseType_t ) 1, semSEMAPHORE_QUEUE_ITEM_LENGTH, NULL, NULL, queueQUEUE_TYPE_BINARY_SEMAPHORE )
|
||||
#define xSemaphoreCreateBinaryStatic( pxStaticQueue ) xQueueGenericCreate( ( UBaseType_t ) 1, semSEMAPHORE_QUEUE_ITEM_LENGTH, NULL, pxStaticQueue, queueQUEUE_TYPE_BINARY_SEMAPHORE )
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
#define xSemaphoreCreateBinaryStatic( pxStaticQueue ) xQueueGenericCreate( ( UBaseType_t ) 1, semSEMAPHORE_QUEUE_ITEM_LENGTH, NULL, pxStaticQueue, queueQUEUE_TYPE_BINARY_SEMAPHORE )
|
||||
#endif /* configSUPPORT_STATIC_ALLOCATION */
|
||||
|
||||
/**
|
||||
* semphr. h
|
||||
@ -700,7 +703,10 @@ typedef QueueHandle_t SemaphoreHandle_t;
|
||||
* \ingroup Semaphores
|
||||
*/
|
||||
#define xSemaphoreCreateMutex() xQueueCreateMutex( queueQUEUE_TYPE_MUTEX, NULL )
|
||||
#define xSemaphoreCreateMutexStatic( pxStaticQueue ) xQueueCreateMutex( queueQUEUE_TYPE_MUTEX, ( pxStaticQueue ) )
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
#define xSemaphoreCreateMutexStatic( pxStaticQueue ) xQueueCreateMutex( queueQUEUE_TYPE_MUTEX, ( pxStaticQueue ) )
|
||||
#endif /* configSUPPORT_STATIC_ALLOCATION */
|
||||
|
||||
|
||||
/**
|
||||
@ -756,7 +762,10 @@ typedef QueueHandle_t SemaphoreHandle_t;
|
||||
* \ingroup Semaphores
|
||||
*/
|
||||
#define xSemaphoreCreateRecursiveMutex() xQueueCreateMutex( queueQUEUE_TYPE_RECURSIVE_MUTEX, NULL )
|
||||
#define xSemaphoreCreateRecursiveMutexStatic( pxStaticSemaphore ) xQueueCreateMutex( queueQUEUE_TYPE_RECURSIVE_MUTEX, pxStaticSemaphore )
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
#define xSemaphoreCreateRecursiveMutexStatic( pxStaticSemaphore ) xQueueCreateMutex( queueQUEUE_TYPE_RECURSIVE_MUTEX, pxStaticSemaphore )
|
||||
#endif /* configSUPPORT_STATIC_ALLOCATION */
|
||||
|
||||
/**
|
||||
* semphr. h
|
||||
@ -820,7 +829,10 @@ typedef QueueHandle_t SemaphoreHandle_t;
|
||||
* \ingroup Semaphores
|
||||
*/
|
||||
#define xSemaphoreCreateCounting( uxMaxCount, uxInitialCount ) xQueueCreateCountingSemaphore( ( uxMaxCount ), ( uxInitialCount ), ( NULL ) )
|
||||
#define xSemaphoreCreateCountingStatic( uxMaxCount, uxInitialCount, pxStaticSemaphore ) xQueueCreateCountingSemaphore( ( uxMaxCount ), ( uxInitialCount ), ( pxStaticSemaphore ) )
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
#define xSemaphoreCreateCountingStatic( uxMaxCount, uxInitialCount, pxStaticSemaphore ) xQueueCreateCountingSemaphore( ( uxMaxCount ), ( uxInitialCount ), ( pxStaticSemaphore ) )
|
||||
#endif /* configSUPPORT_STATIC_ALLOCATION */
|
||||
|
||||
/**
|
||||
* semphr. h
|
||||
|
||||
@ -362,7 +362,7 @@ is used in assert() statements. */
|
||||
UBaseType_t uxPriority,
|
||||
TaskHandle_t *pvCreatedTask,
|
||||
StackType_t *pxStackBuffer,
|
||||
StaticTCB_t *pxTCBBuffer
|
||||
StaticTask_t *pxTCBBuffer
|
||||
);</pre>
|
||||
*
|
||||
* Create a new task and add it to the list of tasks that are ready to run.
|
||||
@ -402,7 +402,7 @@ is used in assert() statements. */
|
||||
* @param pxTCBBuffer If pxTCBBuffer is NULL then the TCB (which is the
|
||||
* structures used internally within FreeRTOS to hold information on the task)
|
||||
* will be allocated dynamically, just as when xTaskCreate() is used. If
|
||||
* pxTCBBuffer is not NULL then it must point to a variable of type StaticTCB_t,
|
||||
* pxTCBBuffer is not NULL then it must point to a variable of type StaticTask_t,
|
||||
* which will then be used as the TCB of the task being created.
|
||||
*
|
||||
* @return pdPASS if the task was successfully created and added to a ready
|
||||
@ -418,7 +418,7 @@ is used in assert() statements. */
|
||||
#define STACK_SIZE 200
|
||||
|
||||
// Structure that will hold the TCB of the task being created.
|
||||
StaticTCB_t xTCB;
|
||||
StaticTask_t xTCB;
|
||||
|
||||
// Buffer that the task being created will use as its stack.
|
||||
StackType_t xStack[ STACK_SIZE ];
|
||||
@ -454,7 +454,7 @@ is used in assert() statements. */
|
||||
*/
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
#define xTaskCreateStatic( pvTaskCode, pcName, usStackDepth, pvParameters, uxPriority, pxCreatedTask, puxStackBuffer, pxDummyTCB ) xTaskGenericCreate( ( pvTaskCode ), ( pcName ), ( usStackDepth ), ( pvParameters ), ( uxPriority ), ( pxCreatedTask ), ( puxStackBuffer ), ( pxDummyTCB ), ( NULL ) )
|
||||
#endif
|
||||
#endif /* configSUPPORT_STATIC_ALLOCATION */
|
||||
|
||||
/**
|
||||
* task. h
|
||||
@ -2095,7 +2095,7 @@ BaseType_t xTaskPriorityDisinherit( TaskHandle_t const pxMutexHolder ) PRIVILEGE
|
||||
* Generic version of the task creation function which is in turn called by the
|
||||
* xTaskCreate() and xTaskCreateRestricted() macros.
|
||||
*/
|
||||
BaseType_t xTaskGenericCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask, StackType_t * const puxStackBuffer, StaticTCB_t * const pxTCBBuffer, const MemoryRegion_t * const xRegions ) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
|
||||
BaseType_t xTaskGenericCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask, StackType_t * const puxStackBuffer, StaticTask_t * const pxTCBBuffer, const MemoryRegion_t * const xRegions ) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
|
||||
|
||||
/*
|
||||
* Get the uxTCBNumber assigned to the task referenced by the xTask parameter.
|
||||
|
||||
@ -257,7 +257,11 @@ typedef void (*PendedFunction_t)( void *, uint32_t );
|
||||
* }
|
||||
* @endverbatim
|
||||
*/
|
||||
TimerHandle_t xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
|
||||
#define xTimerCreate( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction ) xTimerGenericCreate( ( pcTimerName ), ( xTimerPeriodInTicks ), ( uxAutoReload ), ( pvTimerID ), ( pxCallbackFunction ), NULL )
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
#define xTimerCreateStatic( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxStaticTimer ) xTimerGenericCreate( ( pcTimerName ), ( xTimerPeriodInTicks ), ( uxAutoReload ), ( pvTimerID ), ( pxCallbackFunction ), pxStaticTimer )
|
||||
#endif /* configSUPPORT_STATIC_ALLOCATION */
|
||||
|
||||
/**
|
||||
* void *pvTimerGetTimerID( TimerHandle_t xTimer );
|
||||
@ -1136,6 +1140,7 @@ const char * pcTimerGetTimerName( TimerHandle_t xTimer ) PRIVILEGED_FUNCTION; /*
|
||||
*/
|
||||
BaseType_t xTimerCreateTimerTask( void ) PRIVILEGED_FUNCTION;
|
||||
BaseType_t xTimerGenericCommand( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ) PRIVILEGED_FUNCTION;
|
||||
TimerHandle_t xTimerGenericCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxStaticTimer ) PRIVILEGED_FUNCTION;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
||||
@ -426,7 +426,7 @@ to its original value when it is released. */
|
||||
#endif
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
extern void vApplicationGetIdleTaskMemory( StaticTCB_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint16_t *pusIdleTaskStackSize );
|
||||
extern void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint16_t *pusIdleTaskStackSize );
|
||||
#endif
|
||||
|
||||
/* File private functions. --------------------------------*/
|
||||
@ -554,7 +554,7 @@ static void prvResetNextTaskUnblockTime( void );
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
BaseType_t xTaskGenericCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask, StackType_t * const puxStackBuffer, StaticTCB_t * const pxTCBBuffer, const MemoryRegion_t * const xRegions ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
|
||||
BaseType_t xTaskGenericCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask, StackType_t * const puxStackBuffer, StaticTask_t * const pxTCBBuffer, const MemoryRegion_t * const xRegions ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
|
||||
{
|
||||
BaseType_t xReturn;
|
||||
TCB_t * pxNewTCB;
|
||||
@ -1546,7 +1546,7 @@ StackType_t *pxTopOfStack;
|
||||
void vTaskStartScheduler( void )
|
||||
{
|
||||
BaseType_t xReturn;
|
||||
StaticTCB_t *pxIdleTaskTCBBuffer = NULL;
|
||||
StaticTask_t *pxIdleTaskTCBBuffer = NULL;
|
||||
StackType_t *pxIdleTaskStackBuffer = NULL;
|
||||
uint16_t usIdleTaskStackSize = tskIDLE_STACK_SIZE;
|
||||
|
||||
@ -3152,9 +3152,9 @@ TCB_t *pxNewTCB;
|
||||
#if( ( configASSERT_DEFINED == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 1 ) )
|
||||
{
|
||||
/* Sanity check that the size of the structure used to declare a
|
||||
variable of type StaticTCB_t matches the size of the actual TCB_t
|
||||
variable of type StaticTask_t matches the size of the actual TCB_t
|
||||
structure. */
|
||||
volatile size_t xSize = sizeof( StaticTCB_t );
|
||||
volatile size_t xSize = sizeof( StaticTask_t );
|
||||
configASSERT( xSize == sizeof( TCB_t ) );
|
||||
}
|
||||
#endif /* configASSERT_DEFINED */
|
||||
|
||||
@ -112,6 +112,10 @@ typedef struct tmrTimerControl
|
||||
#if( configUSE_TRACE_FACILITY == 1 )
|
||||
UBaseType_t uxTimerNumber; /*<< An ID assigned by trace tools such as FreeRTOS+Trace */
|
||||
#endif
|
||||
|
||||
#if( configSUPPORT_STATIC_ALLOCATION == 1 )
|
||||
uint8_t ucStaticallyAllocated; /*<< Set to pdTRUE if the timer was created from a StaticTimer_t structure, and pdFALSE if the timer structure was allocated dynamically. */
|
||||
#endif
|
||||
} xTIMER;
|
||||
|
||||
/* The old xTIMER name is maintained above then typedefed to the new Timer_t
|
||||
@ -184,7 +188,7 @@ PRIVILEGED_DATA static QueueHandle_t xTimerQueue = NULL;
|
||||
following callback function - which enables the application to optionally
|
||||
provide the memory that will be used by the timer task as the task's stack
|
||||
and TCB. */
|
||||
extern void vApplicationGetTimerTaskMemory( StaticTCB_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint16_t *pusTimerTaskStackSize );
|
||||
extern void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint16_t *pusTimerTaskStackSize );
|
||||
|
||||
#endif
|
||||
|
||||
@ -250,7 +254,7 @@ static void prvProcessTimerOrBlockTask( const TickType_t xNextExpireTime, BaseTy
|
||||
BaseType_t xTimerCreateTimerTask( void )
|
||||
{
|
||||
BaseType_t xReturn = pdFAIL;
|
||||
StaticTCB_t *pxTimerTaskTCBBuffer = NULL;
|
||||
StaticTask_t *pxTimerTaskTCBBuffer = NULL;
|
||||
StackType_t *pxTimerTaskStackBuffer = NULL;
|
||||
uint16_t usTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
|
||||
|
||||
@ -294,10 +298,20 @@ uint16_t usTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
TimerHandle_t xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
|
||||
TimerHandle_t xTimerGenericCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxStaticTimer ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
|
||||
{
|
||||
Timer_t *pxNewTimer;
|
||||
|
||||
#if( ( configASSERT_DEFINED == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 1 ) )
|
||||
{
|
||||
/* Sanity check that the size of the structure used to declare a
|
||||
variable of type StaticTimer_t equals the size of the real timer
|
||||
structures. */
|
||||
volatile size_t xSize = sizeof( StaticTimer_t );
|
||||
configASSERT( xSize == sizeof( Timer_t ) );
|
||||
}
|
||||
#endif /* configASSERT_DEFINED */
|
||||
|
||||
/* Allocate the timer structure. */
|
||||
if( xTimerPeriodInTicks == ( TickType_t ) 0U )
|
||||
{
|
||||
@ -305,14 +319,25 @@ Timer_t *pxNewTimer;
|
||||
}
|
||||
else
|
||||
{
|
||||
pxNewTimer = ( Timer_t * ) pvPortMalloc( sizeof( Timer_t ) );
|
||||
/* If the user passed in a statically allocated timer structure then use
|
||||
it, otherwise allocate the structure dynamically. */
|
||||
if( pxStaticTimer == NULL )
|
||||
{
|
||||
pxNewTimer = ( Timer_t * ) pvPortMalloc( sizeof( Timer_t ) );
|
||||
}
|
||||
else
|
||||
{
|
||||
pxNewTimer = ( Timer_t * ) pxStaticTimer;
|
||||
}
|
||||
|
||||
if( pxNewTimer != NULL )
|
||||
{
|
||||
/* Ensure the infrastructure used by the timer service task has been
|
||||
created/initialised. */
|
||||
prvCheckForValidListAndQueue();
|
||||
|
||||
/* Initialise the timer structure members using the function parameters. */
|
||||
/* Initialise the timer structure members using the function
|
||||
parameters. */
|
||||
pxNewTimer->pcTimerName = pcTimerName;
|
||||
pxNewTimer->xTimerPeriodInTicks = xTimerPeriodInTicks;
|
||||
pxNewTimer->uxAutoReload = uxAutoReload;
|
||||
@ -320,6 +345,15 @@ Timer_t *pxNewTimer;
|
||||
pxNewTimer->pxCallbackFunction = pxCallbackFunction;
|
||||
vListInitialiseItem( &( pxNewTimer->xTimerListItem ) );
|
||||
|
||||
if( pxStaticTimer == NULL )
|
||||
{
|
||||
pxNewTimer->ucStaticallyAllocated = pdFALSE;
|
||||
}
|
||||
else
|
||||
{
|
||||
pxNewTimer->ucStaticallyAllocated = pdTRUE;
|
||||
}
|
||||
|
||||
traceTIMER_CREATE( pxNewTimer );
|
||||
}
|
||||
else
|
||||
@ -716,19 +750,27 @@ TickType_t xTimeNow;
|
||||
pxTimer->xTimerPeriodInTicks = xMessage.u.xTimerParameters.xMessageValue;
|
||||
configASSERT( ( pxTimer->xTimerPeriodInTicks > 0 ) );
|
||||
|
||||
/* The new period does not really have a reference, and can be
|
||||
longer or shorter than the old one. The command time is
|
||||
therefore set to the current time, and as the period cannot be
|
||||
zero the next expiry time can only be in the future, meaning
|
||||
(unlike for the xTimerStart() case above) there is no fail case
|
||||
that needs to be handled here. */
|
||||
/* The new period does not really have a reference, and can
|
||||
be longer or shorter than the old one. The command time is
|
||||
therefore set to the current time, and as the period cannot
|
||||
be zero the next expiry time can only be in the future,
|
||||
meaning (unlike for the xTimerStart() case above) there is
|
||||
no fail case that needs to be handled here. */
|
||||
( void ) prvInsertTimerInActiveList( pxTimer, ( xTimeNow + pxTimer->xTimerPeriodInTicks ), xTimeNow, xTimeNow );
|
||||
break;
|
||||
|
||||
case tmrCOMMAND_DELETE :
|
||||
/* The timer has already been removed from the active list,
|
||||
just free up the memory. */
|
||||
vPortFree( pxTimer );
|
||||
just free up the memory if the memory was dynamically
|
||||
allocated. */
|
||||
if( pxTimer->ucStaticallyAllocated == pdFALSE )
|
||||
{
|
||||
vPortFree( pxTimer );
|
||||
}
|
||||
else
|
||||
{
|
||||
mtCOVERAGE_TEST_MARKER();
|
||||
}
|
||||
break;
|
||||
|
||||
default :
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user