Ensure the code builds when configSUPPORT_STATIC_ALLOCATION is 0.

Continue to document the new static allocation functions.

FreeRTOS/Demo/CORTEX_STM32L152_Discovery_IAR/STM32L_low_power_tick_management.c

@@ -278,6 +278,8 @@ const TickType_t xRegulatorOffIdleTime = 30;
 		/* Re-enable interrupts - see comments above the cpsid instruction()
 		above. */
 		__asm volatile ( "cpsie i" );
+		__asm volatile ( "dsb" );
+		__asm volatile ( "isb" );
 	}
 	else
 	{

FreeRTOS/Source/event_groups.c

@@ -151,14 +151,18 @@ EventGroup_t *pxEventBits;
 		pxEventBits->uxEventBits = 0;
 		vListInitialise( &( pxEventBits->xTasksWaitingForBits ) );
 
-		if( pxStaticEventGroup == NULL )
+		#if( configSUPPORT_STATIC_ALLOCATION == 1 )
 		{
-			pxEventBits->ucStaticallyAllocated = pdFALSE;
+			if( pxStaticEventGroup == NULL )
-		}
+			{
-		else
+				pxEventBits->ucStaticallyAllocated = pdFALSE;
-		{
+			}
-			pxEventBits->ucStaticallyAllocated = pdTRUE;
+			else
+			{
+				pxEventBits->ucStaticallyAllocated = pdTRUE;
+			}
 		}
+		#endif /* configSUPPORT_STATIC_ALLOCATION */
 
 		traceEVENT_GROUP_CREATE( pxEventBits );
 	}
@@ -605,10 +609,18 @@ const List_t *pxTasksWaitingForBits = &( pxEventBits->xTasksWaitingForBits );
 		}
 
 		/* Only free the memory if it was allocated dynamically. */
-		if( pxEventBits->ucStaticallyAllocated == pdFALSE )
+		#if( configSUPPORT_STATIC_ALLOCATION == 1 )
+		{
+			if( pxEventBits->ucStaticallyAllocated == pdFALSE )
+			{
+				vPortFree( pxEventBits );
+			}
+		}
+		#else
 		{
 			vPortFree( pxEventBits );
 		}
+		#endif /* configSUPPORT_STATIC_ALLOCATION */
 	}
 	( void ) xTaskResumeAll();
 }

FreeRTOS/Source/include/queue.h

@@ -123,8 +123,19 @@ typedef void * QueueSetMemberHandle_t;
 						  );
  * </pre>
  *
- * Creates a new queue instance.  This allocates the storage required by the
+ * Creates a new queue instance, and returns a handle by which the new queue
- * new queue and returns a handle for the queue.
+ * can be referenced.
+ *
+ * Internally, within the FreeRTOS implementation, queue's use two blocks of
+ * memory.  The first block is used to hold the queue's data structures.  The
+ * second block is used to hold items placed into the queue.  If a queue is
+ * created using xQueueCreate() then both blocks of memory are automatically
+ * dynamically allocated inside the xQueueCreate() function.  (see
+ * http://www.freertos.org/a00111.html).  If a queue is created using
+ * xQueueCreateStatic() then the application writer can instead optionally
+ * provide the memory that will get used by the queue.  xQueueCreateStatic()
+ * therefore allows a queue to be created without using any dynamic memory
+ * allocation.
  *
  * @param uxQueueLength The maximum number of items that the queue can contain.
  *
@@ -172,8 +183,95 @@ typedef void * QueueSetMemberHandle_t;
  */
 #define xQueueCreate( uxQueueLength, uxItemSize ) xQueueGenericCreate( uxQueueLength, uxItemSize, NULL, NULL, queueQUEUE_TYPE_BASE )
 
+/**
+ * queue. h
+ * <pre>
+ QueueHandle_t xQueueCreateStatic(
+							  UBaseType_t uxQueueLength,
+							  UBaseType_t uxItemSize,
+							  uint8_t *pucQueueStorageBuffer,
+							  StaticQueue_t *pxQueueBuffer
+						  );
+ * </pre>
+ *
+ * Creates a new queue instance, and returns a handle by which the new queue
+ * can be referenced.
+ *
+ * Internally, within the FreeRTOS implementation, queue's use two blocks of
+ * memory.  The first block is used to hold the queue's data structures.  The
+ * second block is used to hold items placed into the queue.  If a queue is
+ * created using xQueueCreate() then both blocks of memory are automatically
+ * dynamically allocated inside the xQueueCreate() function.  (see
+ * http://www.freertos.org/a00111.html).  If a queue is created using
+ * xQueueCreateStatic() then the application writer can instead optionally
+ * provide the memory that will get used by the queue.  xQueueCreateStatic()
+ * therefore allows a queue to be created without using any dynamic memory
+ * allocation.
+ *
+ * @param uxQueueLength The maximum number of items that the queue can contain.
+ *
+ * @param uxItemSize The number of bytes each item in the queue will require.
+ * Items are queued by copy, not by reference, so this is the number of bytes
+ * that will be copied for each posted item.  Each item on the queue must be
+ * the same size.
+ *
+ * @param pucQueueStorageBuffer If pucQueueStorageBuffer is NULL then the memory
+ * used to hold items stored in the queue will be allocated dynamically, just as
+ * when a queue is created using xQueueCreate().  If pxQueueStorageBuffer is not
+ * NULL then it must point to a uint8_t array that is at least large enough to
+ * hold the maximum number of items that can be in the queue at any one time -
+ * which is ( uxQueueLength * uxItemsSize ) bytes.
+ *
+ * @param pxQueueBuffer If pxQueueBuffer is NULL then the memory required to
+ * hold the queue's data structures will be allocated dynamically, just as when
+ * a queue is created using xQueueCreate().  If pxQueueBuffer is not NULL then
+ * it must point to a variable of type StaticQueue_t, which will then be used to
+ * hold the queue's data structure, removing the need for the memory to be
+ * allocated dynamically.
+ *
+ * @return If the queue is successfully create then a handle to the newly
+ * created queue is returned.  If the queue cannot be created then 0 is
+ * returned.
+ *
+ * Example usage:
+   <pre>
+ struct AMessage
+ {
+	char ucMessageID;
+	char ucData[ 20 ];
+ };
+
+ #define QUEUE_LENGTH 10
+ #define ITEM_SIZE sizeof( uint32_t )
+
+ // xQueueBuffer will hold the queue structure.
+ StaticQueue_t xQueueBuffer; 
+
+ // ucQueueStorage will hold the items posted to the queue.  Must be at least
+ // [(queue length) * ( queue item size)] bytes long.
+ uint8_t ucQueueStorage[ QUEUE_LENGTH * ITEM_SIZE ];
+
+ void vATask( void *pvParameters )
+ {
+ QueueHandle_t xQueue1;
+
+	// Create a queue capable of containing 10 uint32_t values.
+	xQueue1 = xQueueCreate( QUEUE_LENGTH, // The number of items the queue can hold.
+							ITEM_SIZE	  // The size of each item in the queue
+							&( ucQueueStorage[ 0 ] ), // The buffer that will hold the items in the queue.
+							&xQueueBuffer ); // The buffer that will hold the queue structure.
+
+	// The queue is guaranteed to be created successfully as no dynamic memory
+	// allocation was used.  Therefore xQueue1 is now a handle to a valid queue.
+
+	// ... Rest of task code.
+ }
+ </pre>
+ * \defgroup xQueueCreate xQueueCreate
+ * \ingroup QueueManagement
+ */
 #if( configSUPPORT_STATIC_ALLOCATION == 1 )
-	#define xQueueCreateStatic( uxQueueLength, uxItemSize, pucQueueStorage, pxStaticQueue ) xQueueGenericCreate( uxQueueLength, uxItemSize, pucQueueStorage, pxStaticQueue, queueQUEUE_TYPE_BASE )
+	#define xQueueCreateStatic( uxQueueLength, uxItemSize, pucQueueStorage, pxQueueBuffer ) xQueueGenericCreate( ( uxQueueLength ), ( uxItemSize ), ( pucQueueStorage ), ( pxQueueBuffer ), ( queueQUEUE_TYPE_BASE ) )
 #endif /* configSUPPORT_STATIC_ALLOCATION */
 
 /**

FreeRTOS/Source/include/task.h

@@ -283,6 +283,20 @@ is used in assert() statements. */
  *
  * Create a new task and add it to the list of tasks that are ready to run.
  *
+ * Internally, within the FreeRTOS implementation, tasks's use two blocks of
+ * memory.  The first block is used to hold the tasks's data structures.  The
+ * second block is used by the task as its stack.  If a task is created using
+ * xTaskCreate() then both blocks of memory are automatically dynamically
+ * allocated inside the xTaskCreate() function.  (see
+ * http://www.freertos.org/a00111.html).  If a task is created using
+ * xTaskCreateStatic() then the application writer can instead optionally
+ * provide the memory that will get used by the task.  xTaskCreateStatic()
+ * therefore allows a task to be created without using any dynamic memory
+ * allocation.
+ *
+ * See xTaskCreateStatic() for a version that does not use any dynamic memory
+ * allocation.
+ *
  * xTaskCreate() can only be used to create a task that has unrestricted
  * access to the entire microcontroller memory map.  Systems that include MPU
  * support can alternatively create an MPU constrained task using
@@ -362,16 +376,21 @@ is used in assert() statements. */
 							  UBaseType_t uxPriority,
 							  TaskHandle_t *pvCreatedTask,
 							  StackType_t *pxStackBuffer,
-							  StaticTask_t *pxTCBBuffer
+							  StaticTask_t *pxTaskBuffer
 						  );</pre>
  *
  * Create a new task and add it to the list of tasks that are ready to run.
- * If a task is created using xTaskCreate() then the stack and task control
+ *
- * block (TCB) used by the task are allocated dynamically.  If a task is created
+ * Internally, within the FreeRTOS implementation, tasks's use two blocks of
- * using xTaskCreateStatic() then the application writer can optionally provide
+ * memory.  The first block is used to hold the tasks's data structures.  The
- * the buffers that will hold the task stack and TCB respectively.
+ * second block is used by the task as its stack.  If a task is created using
- * xTaskCreateStatic() therefore allows tasks to be created without any dynamic
+ * xTaskCreate() then both blocks of memory are automatically dynamically
- * memory allocation.
+ * allocated inside the xTaskCreate() function.  (see
+ * http://www.freertos.org/a00111.html).  If a task is created using
+ * xTaskCreateStatic() then the application writer can instead optionally
+ * provide the memory that will get used by the task.  xTaskCreateStatic()
+ * therefore allows a task to be created without using any dynamic memory
+ * allocation.
  *
  * @param pvTaskCode Pointer to the task entry function.  Tasks
  * must be implemented to never return (i.e. continuous loop).
@@ -395,15 +414,17 @@ is used in assert() statements. */
  *
  * @param pxStackBuffer If pxStackBuffer is NULL then the stack used by the
  * task will be allocated dynamically, just as if the task was created using
- * xTaskCreate().  if pxStackBuffer is not NULL then it must point to a
+ * xTaskCreate().  If pxStackBuffer is not NULL then it must point to a
  * StackType_t array that has at least usStackDepth indexes - the array will
- * then be used as the task's stack.
+ * then be used as the task's stack, removing the need for the stack to be
+ * allocated dynamically.
  *
- * @param pxTCBBuffer If pxTCBBuffer is NULL then the TCB (which is the
+ * @param pxTaskBuffer If pxTaskBuffer is NULL then the memory used to hold the
- * structures used internally within FreeRTOS to hold information on the task)
+ * task's data structures will be allocated dynamically, just as when a task is
- * will be allocated dynamically, just as when xTaskCreate() is used.  If
+ * created using xTaskCreate().  If pxTaskBuffer is not NULL then it must point
- * pxTCBBuffer is not NULL then it must point to a variable of type StaticTask_t,
+ * to a variable of type StaticTask_t, which will then be used to hold the
- * which will then be used as the TCB of the task being created.
+ * task's data structures, removing the need for the memory to be allocated
+ * dynamically.
  *
  * @return pdPASS if the task was successfully created and added to a ready
  * list, otherwise an error code defined in the file projdefs.h
@@ -418,7 +439,7 @@ is used in assert() statements. */
  #define STACK_SIZE 200
 
  // Structure that will hold the TCB of the task being created.
- StaticTask_t xTCB;
+ StaticTask_t xTaskBuffer;
 
  // Buffer that the task being created will use as its stack.
  StackType_t xStack[ STACK_SIZE ];
@@ -446,14 +467,14 @@ is used in assert() statements. */
 				  tskIDLE_PRIORITY,   // As per xTaskCreate() parameter.
 				  &xHandle,           // As per xTaskCreate() parameter.
 				  xStack,             // Pointer to the buffer that the task being created will use as its stack.
-				  &xTCB );            // Pointer to a structure in which the TCB of the task being created will be stored.
+				  &xTaskBuffer );     // Pointer to a StaticTask_t structure for use as the memory require by the task.
  }
    </pre>
  * \defgroup xTaskCreateStatic xTaskCreateStatic
  * \ingroup Tasks
  */
 #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 ) )
+	#define xTaskCreateStatic( pvTaskCode, pcName, usStackDepth, pvParameters, uxPriority, pxCreatedTask, puxStackBuffer, pxTaskBuffer ) xTaskGenericCreate( ( pvTaskCode ), ( pcName ), ( usStackDepth ), ( pvParameters ), ( uxPriority ), ( pxCreatedTask ), ( puxStackBuffer ), ( pxTaskBuffer ), ( NULL ) )
 #endif /* configSUPPORT_STATIC_ALLOCATION */
 
 /**
@@ -2095,7 +2116,7 @@ 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, StaticTask_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 pxTaskBuffer, 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.

FreeRTOS/Source/include/timers.h

@@ -135,9 +135,18 @@ typedef void (*PendedFunction_t)( void *, uint32_t );
  * 								void * pvTimerID,
  * 								TimerCallbackFunction_t pxCallbackFunction );
  *
- * Creates a new software timer instance.  This allocates the storage required
+ * Creates a new software timer instance, and returns a handle by which the
- * by the new timer, initialises the new timers internal state, and returns a
+ * created software timer can be referenced.
- * handle by which the new timer can be referenced.
+ *
+ * Internally, within the FreeRTOS implementation, software timer's use a block
+ * of memory, in which the timer data structure is stored.  If a software timer
+ * is created using xTimerCreate() then the required memory is automatically
+ * dynamically allocated inside the xTimerCreate() function.  (see
+ * http://www.freertos.org/a00111.html).  If a software timer is created using
+ * xTimerCreateStatic() then the application writer can instead optionally
+ * provide the memory that will get used by the software timer.
+ * xTimerCreateStatic() therefore allows a software to be created without using
+ * any dynamic memory allocation.
  *
  * Timers are created in the dormant state.  The xTimerStart(), xTimerReset(),
  * xTimerStartFromISR(), xTimerResetFromISR(), xTimerChangePeriod() and
@@ -259,8 +268,136 @@ typedef void (*PendedFunction_t)( void *, uint32_t );
  */
 #define xTimerCreate( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction ) xTimerGenericCreate( ( pcTimerName ), ( xTimerPeriodInTicks ), ( uxAutoReload ), ( pvTimerID ), ( pxCallbackFunction ), NULL )
 
+/**
+ * TimerHandle_t xTimerCreateStatic(const char * const pcTimerName,
+ * 									TickType_t xTimerPeriodInTicks,
+ * 									UBaseType_t uxAutoReload,
+ * 									void * pvTimerID,
+ * 									TimerCallbackFunction_t pxCallbackFunction,
+ *									StaticTimer_t *pxTimerBuffer );
+ *
+ * Creates a new software timer instance, and returns a handle by which the
+ * created software timer can be referenced.
+ *
+ * Internally, within the FreeRTOS implementation, software timer's use a block
+ * of memory, in which the timer data structure is stored.  If a software timer
+ * is created using xTimerCreate() then the required memory is automatically
+ * dynamically allocated inside the xTimerCreate() function.  (see
+ * http://www.freertos.org/a00111.html).  If a software timer is created using
+ * xTimerCreateStatic() then the application writer can instead optionally
+ * provide the memory that will get used by the software timer.
+ * xTimerCreateStatic() therefore allows a software to be created without using
+ * any dynamic memory allocation.
+ *
+ * Timers are created in the dormant state.  The xTimerStart(), xTimerReset(),
+ * xTimerStartFromISR(), xTimerResetFromISR(), xTimerChangePeriod() and
+ * xTimerChangePeriodFromISR() API functions can all be used to transition a
+ * timer into the active state.
+ *
+ * @param pcTimerName A text name that is assigned to the timer.  This is done
+ * purely to assist debugging.  The kernel itself only ever references a timer
+ * by its handle, and never by its name.
+ *
+ * @param xTimerPeriodInTicks The timer period.  The time is defined in tick
+ * periods so the constant portTICK_PERIOD_MS can be used to convert a time that
+ * has been specified in milliseconds.  For example, if the timer must expire
+ * after 100 ticks, then xTimerPeriodInTicks should be set to 100.
+ * Alternatively, if the timer must expire after 500ms, then xPeriod can be set
+ * to ( 500 / portTICK_PERIOD_MS ) provided configTICK_RATE_HZ is less than or
+ * equal to 1000.
+ *
+ * @param uxAutoReload If uxAutoReload is set to pdTRUE then the timer will
+ * expire repeatedly with a frequency set by the xTimerPeriodInTicks parameter.
+ * If uxAutoReload is set to pdFALSE then the timer will be a one-shot timer and
+ * enter the dormant state after it expires.
+ *
+ * @param pvTimerID An identifier that is assigned to the timer being created.
+ * Typically this would be used in the timer callback function to identify which
+ * timer expired when the same callback function is assigned to more than one
+ * timer.
+ *
+ * @param pxCallbackFunction The function to call when the timer expires.
+ * Callback functions must have the prototype defined by TimerCallbackFunction_t,
+ * which is "void vCallbackFunction( TimerHandle_t xTimer );".
+ *
+ * @param pxTimerBuffer If pxTimerBuffer is NULL then the memory required to
+ * hold the software timer's data structure will be allocated dynamically, just
+ * as when a software timer is created using xTimerCreate().  If pxTimerBuffer
+ * is not NULL then it must point to a variable of type StaticTimer_t, which
+ * will be then be used to hold the software timer's data structures, removing
+ * the need for the memory to be allocated dynamically.
+ *
+ * @return If the timer is successfully created then a handle to the newly
+ * created timer is returned.  If the timer cannot be created (because either
+ * there is insufficient FreeRTOS heap remaining to allocate the timer
+ * structures, or the timer period was set to 0) then NULL is returned.
+ *
+ * Example usage:
+ * @verbatim
+ *
+ * // The buffer used to hold the software timer's data structure.
+ * static StaticTimer_t xTimerBuffer;
+ *
+ * // A variable that will be incremented by the software timer's callback
+ * // function.
+ * UBaseType_t uxVariableToIncrement = 0;
+ *
+ * // A software timer callback function that increments a variable passed to
+ * // it when the software timer was created.  After the 5th increment the
+ * // callback function stops the software timer.
+ * 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 == 5 )
+ *     {
+ *         // This is called from a timer callback so must not block.
+ *         xTimerStop( xExpiredTimer, staticDONT_BLOCK );
+ *     }
+ * }
+ *
+ *
+ * void main( void )
+ * {
+ *     // 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,    // A variable incremented by the software timer's callback function
+ *                                  prvTimerCallback, // The function to execute when the timer expires.
+ *                                  &xTimerBuffer );  // The buffer that will hold the software timer structure.
+ *
+ *     // The scheduler has not started yet so a block time is not used.
+ *     xReturned = xTimerStart( xTimer, 0 );
+ *
+ *     // ...
+ *     // Create tasks here.
+ *     // ...
+ *
+ *     // Starting the scheduler will start the timers running as they have already
+ *     // been set into the active state.
+ *     xTaskStartScheduler();
+ *
+ *     // Should not reach here.
+ *     for( ;; );
+ * }
+ * @endverbatim
+ */
 #if( configSUPPORT_STATIC_ALLOCATION == 1 )
-	#define xTimerCreateStatic( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxStaticTimer ) xTimerGenericCreate( ( pcTimerName ), ( xTimerPeriodInTicks ), ( uxAutoReload ), ( pvTimerID ), ( pxCallbackFunction ), pxStaticTimer )
+	#define xTimerCreateStatic( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxTimerBuffer ) xTimerGenericCreate( ( pcTimerName ), ( xTimerPeriodInTicks ), ( uxAutoReload ), ( pvTimerID ), ( pxCallbackFunction ), ( pxTimerBuffer ) )
 #endif /* configSUPPORT_STATIC_ALLOCATION */
 
 /**
@@ -1140,7 +1277,7 @@ 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;
+TimerHandle_t xTimerGenericCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxTimerBuffer ) PRIVILEGED_FUNCTION;
 
 #ifdef __cplusplus
 }

FreeRTOS/Source/tasks.c

@@ -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, StaticTask_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 pxTaskBuffer, const MemoryRegion_t * const xRegions ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 {
 BaseType_t xReturn;
 TCB_t * pxNewTCB;
@@ -565,7 +565,7 @@ StackType_t *pxTopOfStack;
 
 	/* Allocate the memory required by the TCB and stack for the new task,
 	checking that the allocation was successful. */
-	pxNewTCB = prvAllocateTCBAndStack( usStackDepth, puxStackBuffer, ( TCB_t* ) pxTCBBuffer ); /*lint !e740 Unusual cast is ok as the structures are designed to have the same alignment, and the size is checked by an assert. */
+	pxNewTCB = prvAllocateTCBAndStack( usStackDepth, puxStackBuffer, ( TCB_t* ) pxTaskBuffer ); /*lint !e740 Unusual cast is ok as the structures are designed to have the same alignment, and the size is checked by an assert. */
 
 	if( pxNewTCB != NULL )
 	{
@@ -3145,7 +3145,7 @@ static void prvAddCurrentTaskToDelayedList( const TickType_t xTimeToWake )
 }
 /*-----------------------------------------------------------*/
 
-static TCB_t *prvAllocateTCBAndStack( const uint16_t usStackDepth, StackType_t * const puxStackBuffer, TCB_t * const pxTCBBuffer )
+static TCB_t *prvAllocateTCBAndStack( const uint16_t usStackDepth, StackType_t * const puxStackBuffer, TCB_t * const pxTaskBuffer )
 {
 TCB_t *pxNewTCB;
 
@@ -3166,7 +3166,7 @@ TCB_t *pxNewTCB;
 	{
 		/* Allocate space for the TCB.  Where the memory comes from depends on
 		the implementation of the port malloc function. */
-		pxNewTCB = ( TCB_t * ) pvPortMallocAligned( sizeof( TCB_t ), pxTCBBuffer );
+		pxNewTCB = ( TCB_t * ) pvPortMallocAligned( sizeof( TCB_t ), pxTaskBuffer );
 
 		if( pxNewTCB != NULL )
 		{
@@ -3179,7 +3179,7 @@ TCB_t *pxNewTCB;
 			{
 				/* Could not allocate the stack.  Delete the allocated TCB - if
 				it was allocated dynamically. */
-				if( pxTCBBuffer == NULL )
+				if( pxTaskBuffer == NULL )
 				{
 					vPortFree( pxNewTCB );
 				}
@@ -3197,7 +3197,7 @@ TCB_t *pxNewTCB;
 		if( pxStack != NULL )
 		{
 			/* Allocate space for the TCB. */
-			pxNewTCB = ( TCB_t * ) pvPortMallocAligned( sizeof( TCB_t ), pxTCBBuffer ); /*lint !e961 MISRA exception as the casts are only redundant for some paths. */
+			pxNewTCB = ( TCB_t * ) pvPortMallocAligned( sizeof( TCB_t ), pxTaskBuffer ); /*lint !e961 MISRA exception as the casts are only redundant for some paths. */
 
 			if( pxNewTCB != NULL )
 			{
@@ -3250,7 +3250,7 @@ TCB_t *pxNewTCB;
 				mtCOVERAGE_TEST_MARKER();
 			}
 
-			if( pxTCBBuffer != NULL )
+			if( pxTaskBuffer != NULL )
 			{
 				/* The application provided its own TCB.  Note the fact so no
 				attempt is made to delete the TCB if the task is deleted. */

FreeRTOS/Source/timers.c

@@ -298,7 +298,7 @@ uint16_t usTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
 }
 /*-----------------------------------------------------------*/
 
-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. */
+TimerHandle_t xTimerGenericCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t *pxTimerBuffer ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 {
 Timer_t *pxNewTimer;
 
@@ -321,13 +321,13 @@ Timer_t *pxNewTimer;
 	{
 		/* If the user passed in a statically allocated timer structure then use
 		it, otherwise allocate the structure dynamically. */
-		if( pxStaticTimer == NULL )
+		if( pxTimerBuffer == NULL )
 		{
 			pxNewTimer = ( Timer_t * ) pvPortMalloc( sizeof( Timer_t ) );
 		}
 		else
 		{
-			pxNewTimer = ( Timer_t * ) pxStaticTimer;
+			pxNewTimer = ( Timer_t * ) pxTimerBuffer;
 		}
 
 		if( pxNewTimer != NULL )
@@ -345,14 +345,18 @@ Timer_t *pxNewTimer;
 			pxNewTimer->pxCallbackFunction = pxCallbackFunction;
 			vListInitialiseItem( &( pxNewTimer->xTimerListItem ) );
 
-			if( pxStaticTimer == NULL )
+			#if( configSUPPORT_STATIC_ALLOCATION == 1 )
 			{
-				pxNewTimer->ucStaticallyAllocated = pdFALSE;
+				if( pxTimerBuffer == NULL )
-			}
+				{
-			else
+					pxNewTimer->ucStaticallyAllocated = pdFALSE;
-			{
+				}
-				pxNewTimer->ucStaticallyAllocated = pdTRUE;
+				else
+				{
+					pxNewTimer->ucStaticallyAllocated = pdTRUE;
+				}
 			}
+			#endif /* configSUPPORT_STATIC_ALLOCATION */
 
 			traceTIMER_CREATE( pxNewTimer );
 		}
@@ -763,14 +767,22 @@ TickType_t xTimeNow;
 					/* The timer has already been removed from the active list,
 					just free up the memory if the memory was dynamically
 					allocated. */
-					if( pxTimer->ucStaticallyAllocated == pdFALSE )
+					#if( configSUPPORT_STATIC_ALLOCATION == 1 )
+					{
+						if( pxTimer->ucStaticallyAllocated == pdFALSE )
+						{
+							vPortFree( pxTimer );
+						}
+						else
+						{
+							mtCOVERAGE_TEST_MARKER();
+						}
+					}
+					#else
 					{
 						vPortFree( pxTimer );
 					}
-					else
+					#endif /* configSUPPORT_STATIC_ALLOCATION */
-					{
-						mtCOVERAGE_TEST_MARKER();
-					}
 					break;
 
 				default	: