2 * FreeRTOS Kernel V10.2.0
3 * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
9 * the Software, and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * http://www.FreeRTOS.org
23 * http://aws.amazon.com/freertos
28 #ifndef INC_FREERTOS_H
29 #define INC_FREERTOS_H
32 * Include the generic headers required for the FreeRTOS port being used.
37 * If stdint.h cannot be located then:
38 * + If using GCC ensure the -nostdint options is *not* being used.
39 * + Ensure the project's include path includes the directory in which your
40 * compiler stores stdint.h.
41 * + Set any compiler options necessary for it to support C99, as technically
42 * stdint.h is only mandatory with C99 (FreeRTOS does not require C99 in any
44 * + The FreeRTOS download includes a simple stdint.h definition that can be
45 * used in cases where none is provided by the compiler. The files only
46 * contains the typedefs required to build FreeRTOS. Read the instructions
47 * in FreeRTOS/source/stdint.readme for more information.
49 #include <stdint.h> /* READ COMMENT ABOVE. */
55 /* Application specific configuration options. */
56 #include "FreeRTOSConfig.h"
58 /* Basic FreeRTOS definitions. */
61 /* Definitions specific to the port being used. */
64 /* Must be defaulted before configUSE_NEWLIB_REENTRANT is used below. */
65 #ifndef configUSE_NEWLIB_REENTRANT
66 #define configUSE_NEWLIB_REENTRANT 0
69 /* Required if struct _reent is used. */
70 #if ( configUSE_NEWLIB_REENTRANT == 1 )
74 * Check all the required application specific macros have been defined.
75 * These macros are application specific and (as downloaded) are defined
76 * within FreeRTOSConfig.h.
79 #ifndef configMINIMAL_STACK_SIZE
80 #error Missing definition: configMINIMAL_STACK_SIZE must be defined in FreeRTOSConfig.h. configMINIMAL_STACK_SIZE defines the size (in words) of the stack allocated to the idle task. Refer to the demo project provided for your port for a suitable value.
83 #ifndef configMAX_PRIORITIES
84 #error Missing definition: configMAX_PRIORITIES must be defined in FreeRTOSConfig.h. See the Configuration section of the FreeRTOS API documentation for details.
87 #if configMAX_PRIORITIES < 1
88 #error configMAX_PRIORITIES must be defined to be greater than or equal to 1.
91 #ifndef configUSE_PREEMPTION
92 #error Missing definition: configUSE_PREEMPTION must be defined in FreeRTOSConfig.h as either 1 or 0. See the Configuration section of the FreeRTOS API documentation for details.
95 #ifndef configUSE_IDLE_HOOK
96 #error Missing definition: configUSE_IDLE_HOOK must be defined in FreeRTOSConfig.h as either 1 or 0. See the Configuration section of the FreeRTOS API documentation for details.
99 #ifndef configUSE_TICK_HOOK
100 #error Missing definition: configUSE_TICK_HOOK must be defined in FreeRTOSConfig.h as either 1 or 0. See the Configuration section of the FreeRTOS API documentation for details.
103 #ifndef configUSE_16_BIT_TICKS
104 #error Missing definition: configUSE_16_BIT_TICKS must be defined in FreeRTOSConfig.h as either 1 or 0. See the Configuration section of the FreeRTOS API documentation for details.
107 #ifndef configUSE_CO_ROUTINES
108 #define configUSE_CO_ROUTINES 0
111 #ifndef INCLUDE_vTaskPrioritySet
112 #define INCLUDE_vTaskPrioritySet 0
115 #ifndef INCLUDE_uxTaskPriorityGet
116 #define INCLUDE_uxTaskPriorityGet 0
119 #ifndef INCLUDE_vTaskDelete
120 #define INCLUDE_vTaskDelete 0
123 #ifndef INCLUDE_vTaskSuspend
124 #define INCLUDE_vTaskSuspend 0
127 #ifndef INCLUDE_vTaskDelayUntil
128 #define INCLUDE_vTaskDelayUntil 0
131 #ifndef INCLUDE_vTaskDelay
132 #define INCLUDE_vTaskDelay 0
135 #ifndef INCLUDE_xTaskGetIdleTaskHandle
136 #define INCLUDE_xTaskGetIdleTaskHandle 0
139 #ifndef INCLUDE_xTaskAbortDelay
140 #define INCLUDE_xTaskAbortDelay 0
143 #ifndef INCLUDE_xQueueGetMutexHolder
144 #define INCLUDE_xQueueGetMutexHolder 0
147 #ifndef INCLUDE_xSemaphoreGetMutexHolder
148 #define INCLUDE_xSemaphoreGetMutexHolder INCLUDE_xQueueGetMutexHolder
151 #ifndef INCLUDE_xTaskGetHandle
152 #define INCLUDE_xTaskGetHandle 0
155 #ifndef INCLUDE_uxTaskGetStackHighWaterMark
156 #define INCLUDE_uxTaskGetStackHighWaterMark 0
159 #ifndef INCLUDE_uxTaskGetStackHighWaterMark2
160 #define INCLUDE_uxTaskGetStackHighWaterMark2 0
163 #ifndef INCLUDE_eTaskGetState
164 #define INCLUDE_eTaskGetState 0
167 #ifndef INCLUDE_xTaskResumeFromISR
168 #define INCLUDE_xTaskResumeFromISR 1
171 #ifndef INCLUDE_xTimerPendFunctionCall
172 #define INCLUDE_xTimerPendFunctionCall 0
175 #ifndef INCLUDE_xTaskGetSchedulerState
176 #define INCLUDE_xTaskGetSchedulerState 0
179 #ifndef INCLUDE_xTaskGetCurrentTaskHandle
180 #define INCLUDE_xTaskGetCurrentTaskHandle 0
183 #if configUSE_CO_ROUTINES != 0
184 #ifndef configMAX_CO_ROUTINE_PRIORITIES
185 #error configMAX_CO_ROUTINE_PRIORITIES must be greater than or equal to 1.
189 #ifndef configUSE_DAEMON_TASK_STARTUP_HOOK
190 #define configUSE_DAEMON_TASK_STARTUP_HOOK 0
193 #ifndef configUSE_APPLICATION_TASK_TAG
194 #define configUSE_APPLICATION_TASK_TAG 0
197 #ifndef configNUM_THREAD_LOCAL_STORAGE_POINTERS
198 #define configNUM_THREAD_LOCAL_STORAGE_POINTERS 0
201 #ifndef configUSE_RECURSIVE_MUTEXES
202 #define configUSE_RECURSIVE_MUTEXES 0
205 #ifndef configUSE_MUTEXES
206 #define configUSE_MUTEXES 0
209 #ifndef configUSE_TIMERS
210 #define configUSE_TIMERS 0
213 #ifndef configUSE_COUNTING_SEMAPHORES
214 #define configUSE_COUNTING_SEMAPHORES 0
217 #ifndef configUSE_ALTERNATIVE_API
218 #define configUSE_ALTERNATIVE_API 0
221 #ifndef portCRITICAL_NESTING_IN_TCB
222 #define portCRITICAL_NESTING_IN_TCB 0
225 #ifndef configMAX_TASK_NAME_LEN
226 #define configMAX_TASK_NAME_LEN 16
229 #ifndef configIDLE_SHOULD_YIELD
230 #define configIDLE_SHOULD_YIELD 1
233 #if configMAX_TASK_NAME_LEN < 1
234 #error configMAX_TASK_NAME_LEN must be set to a minimum of 1 in FreeRTOSConfig.h
238 #define configASSERT( x )
239 #define configASSERT_DEFINED 0
241 #define configASSERT_DEFINED 1
244 /* The timers module relies on xTaskGetSchedulerState(). */
245 #if configUSE_TIMERS == 1
247 #ifndef configTIMER_TASK_PRIORITY
248 #error If configUSE_TIMERS is set to 1 then configTIMER_TASK_PRIORITY must also be defined.
249 #endif /* configTIMER_TASK_PRIORITY */
251 #ifndef configTIMER_QUEUE_LENGTH
252 #error If configUSE_TIMERS is set to 1 then configTIMER_QUEUE_LENGTH must also be defined.
253 #endif /* configTIMER_QUEUE_LENGTH */
255 #ifndef configTIMER_TASK_STACK_DEPTH
256 #error If configUSE_TIMERS is set to 1 then configTIMER_TASK_STACK_DEPTH must also be defined.
257 #endif /* configTIMER_TASK_STACK_DEPTH */
259 #endif /* configUSE_TIMERS */
261 #ifndef portSET_INTERRUPT_MASK_FROM_ISR
262 #define portSET_INTERRUPT_MASK_FROM_ISR() 0
265 #ifndef portCLEAR_INTERRUPT_MASK_FROM_ISR
266 #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusValue ) ( void ) uxSavedStatusValue
269 #ifndef portCLEAN_UP_TCB
270 #define portCLEAN_UP_TCB( pxTCB ) ( void ) pxTCB
273 #ifndef portPRE_TASK_DELETE_HOOK
274 #define portPRE_TASK_DELETE_HOOK( pvTaskToDelete, pxYieldPending )
277 #ifndef portSETUP_TCB
278 #define portSETUP_TCB( pxTCB ) ( void ) pxTCB
281 #ifndef configQUEUE_REGISTRY_SIZE
282 #define configQUEUE_REGISTRY_SIZE 0U
285 #if ( configQUEUE_REGISTRY_SIZE < 1 )
286 #define vQueueAddToRegistry( xQueue, pcName )
287 #define vQueueUnregisterQueue( xQueue )
288 #define pcQueueGetName( xQueue )
291 #ifndef portPOINTER_SIZE_TYPE
292 #define portPOINTER_SIZE_TYPE uint32_t
295 /* Remove any unused trace macros. */
297 /* Used to perform any necessary initialisation - for example, open a file
298 into which trace is to be written. */
303 /* Use to close a trace, for example close a file into which trace has been
308 #ifndef traceTASK_SWITCHED_IN
309 /* Called after a task has been selected to run. pxCurrentTCB holds a pointer
310 to the task control block of the selected task. */
311 #define traceTASK_SWITCHED_IN()
314 #ifndef traceINCREASE_TICK_COUNT
315 /* Called before stepping the tick count after waking from tickless idle
317 #define traceINCREASE_TICK_COUNT( x )
320 #ifndef traceLOW_POWER_IDLE_BEGIN
321 /* Called immediately before entering tickless idle. */
322 #define traceLOW_POWER_IDLE_BEGIN()
325 #ifndef traceLOW_POWER_IDLE_END
326 /* Called when returning to the Idle task after a tickless idle. */
327 #define traceLOW_POWER_IDLE_END()
330 #ifndef traceTASK_SWITCHED_OUT
331 /* Called before a task has been selected to run. pxCurrentTCB holds a pointer
332 to the task control block of the task being switched out. */
333 #define traceTASK_SWITCHED_OUT()
336 #ifndef traceTASK_PRIORITY_INHERIT
337 /* Called when a task attempts to take a mutex that is already held by a
338 lower priority task. pxTCBOfMutexHolder is a pointer to the TCB of the task
339 that holds the mutex. uxInheritedPriority is the priority the mutex holder
340 will inherit (the priority of the task that is attempting to obtain the
342 #define traceTASK_PRIORITY_INHERIT( pxTCBOfMutexHolder, uxInheritedPriority )
345 #ifndef traceTASK_PRIORITY_DISINHERIT
346 /* Called when a task releases a mutex, the holding of which had resulted in
347 the task inheriting the priority of a higher priority task.
348 pxTCBOfMutexHolder is a pointer to the TCB of the task that is releasing the
349 mutex. uxOriginalPriority is the task's configured (base) priority. */
350 #define traceTASK_PRIORITY_DISINHERIT( pxTCBOfMutexHolder, uxOriginalPriority )
353 #ifndef traceBLOCKING_ON_QUEUE_RECEIVE
354 /* Task is about to block because it cannot read from a
355 queue/mutex/semaphore. pxQueue is a pointer to the queue/mutex/semaphore
356 upon which the read was attempted. pxCurrentTCB points to the TCB of the
357 task that attempted the read. */
358 #define traceBLOCKING_ON_QUEUE_RECEIVE( pxQueue )
361 #ifndef traceBLOCKING_ON_QUEUE_PEEK
362 /* Task is about to block because it cannot read from a
363 queue/mutex/semaphore. pxQueue is a pointer to the queue/mutex/semaphore
364 upon which the read was attempted. pxCurrentTCB points to the TCB of the
365 task that attempted the read. */
366 #define traceBLOCKING_ON_QUEUE_PEEK( pxQueue )
369 #ifndef traceBLOCKING_ON_QUEUE_SEND
370 /* Task is about to block because it cannot write to a
371 queue/mutex/semaphore. pxQueue is a pointer to the queue/mutex/semaphore
372 upon which the write was attempted. pxCurrentTCB points to the TCB of the
373 task that attempted the write. */
374 #define traceBLOCKING_ON_QUEUE_SEND( pxQueue )
377 #ifndef configCHECK_FOR_STACK_OVERFLOW
378 #define configCHECK_FOR_STACK_OVERFLOW 0
381 #ifndef configRECORD_STACK_HIGH_ADDRESS
382 #define configRECORD_STACK_HIGH_ADDRESS 0
385 #ifndef configINCLUDE_FREERTOS_TASK_C_ADDITIONS_H
386 #define configINCLUDE_FREERTOS_TASK_C_ADDITIONS_H 0
389 /* The following event macros are embedded in the kernel API calls. */
391 #ifndef traceMOVED_TASK_TO_READY_STATE
392 #define traceMOVED_TASK_TO_READY_STATE( pxTCB )
395 #ifndef tracePOST_MOVED_TASK_TO_READY_STATE
396 #define tracePOST_MOVED_TASK_TO_READY_STATE( pxTCB )
399 #ifndef traceQUEUE_CREATE
400 #define traceQUEUE_CREATE( pxNewQueue )
403 #ifndef traceQUEUE_CREATE_FAILED
404 #define traceQUEUE_CREATE_FAILED( ucQueueType )
407 #ifndef traceCREATE_MUTEX
408 #define traceCREATE_MUTEX( pxNewQueue )
411 #ifndef traceCREATE_MUTEX_FAILED
412 #define traceCREATE_MUTEX_FAILED()
415 #ifndef traceGIVE_MUTEX_RECURSIVE
416 #define traceGIVE_MUTEX_RECURSIVE( pxMutex )
419 #ifndef traceGIVE_MUTEX_RECURSIVE_FAILED
420 #define traceGIVE_MUTEX_RECURSIVE_FAILED( pxMutex )
423 #ifndef traceTAKE_MUTEX_RECURSIVE
424 #define traceTAKE_MUTEX_RECURSIVE( pxMutex )
427 #ifndef traceTAKE_MUTEX_RECURSIVE_FAILED
428 #define traceTAKE_MUTEX_RECURSIVE_FAILED( pxMutex )
431 #ifndef traceCREATE_COUNTING_SEMAPHORE
432 #define traceCREATE_COUNTING_SEMAPHORE()
435 #ifndef traceCREATE_COUNTING_SEMAPHORE_FAILED
436 #define traceCREATE_COUNTING_SEMAPHORE_FAILED()
439 #ifndef traceQUEUE_SEND
440 #define traceQUEUE_SEND( pxQueue )
443 #ifndef traceQUEUE_SEND_FAILED
444 #define traceQUEUE_SEND_FAILED( pxQueue )
447 #ifndef traceQUEUE_RECEIVE
448 #define traceQUEUE_RECEIVE( pxQueue )
451 #ifndef traceQUEUE_PEEK
452 #define traceQUEUE_PEEK( pxQueue )
455 #ifndef traceQUEUE_PEEK_FAILED
456 #define traceQUEUE_PEEK_FAILED( pxQueue )
459 #ifndef traceQUEUE_PEEK_FROM_ISR
460 #define traceQUEUE_PEEK_FROM_ISR( pxQueue )
463 #ifndef traceQUEUE_RECEIVE_FAILED
464 #define traceQUEUE_RECEIVE_FAILED( pxQueue )
467 #ifndef traceQUEUE_SEND_FROM_ISR
468 #define traceQUEUE_SEND_FROM_ISR( pxQueue )
471 #ifndef traceQUEUE_SEND_FROM_ISR_FAILED
472 #define traceQUEUE_SEND_FROM_ISR_FAILED( pxQueue )
475 #ifndef traceQUEUE_RECEIVE_FROM_ISR
476 #define traceQUEUE_RECEIVE_FROM_ISR( pxQueue )
479 #ifndef traceQUEUE_RECEIVE_FROM_ISR_FAILED
480 #define traceQUEUE_RECEIVE_FROM_ISR_FAILED( pxQueue )
483 #ifndef traceQUEUE_PEEK_FROM_ISR_FAILED
484 #define traceQUEUE_PEEK_FROM_ISR_FAILED( pxQueue )
487 #ifndef traceQUEUE_DELETE
488 #define traceQUEUE_DELETE( pxQueue )
491 #ifndef traceTASK_CREATE
492 #define traceTASK_CREATE( pxNewTCB )
495 #ifndef traceTASK_CREATE_FAILED
496 #define traceTASK_CREATE_FAILED()
499 #ifndef traceTASK_DELETE
500 #define traceTASK_DELETE( pxTaskToDelete )
503 #ifndef traceTASK_DELAY_UNTIL
504 #define traceTASK_DELAY_UNTIL( x )
507 #ifndef traceTASK_DELAY
508 #define traceTASK_DELAY()
511 #ifndef traceTASK_PRIORITY_SET
512 #define traceTASK_PRIORITY_SET( pxTask, uxNewPriority )
515 #ifndef traceTASK_SUSPEND
516 #define traceTASK_SUSPEND( pxTaskToSuspend )
519 #ifndef traceTASK_RESUME
520 #define traceTASK_RESUME( pxTaskToResume )
523 #ifndef traceTASK_RESUME_FROM_ISR
524 #define traceTASK_RESUME_FROM_ISR( pxTaskToResume )
527 #ifndef traceTASK_INCREMENT_TICK
528 #define traceTASK_INCREMENT_TICK( xTickCount )
531 #ifndef traceTIMER_CREATE
532 #define traceTIMER_CREATE( pxNewTimer )
535 #ifndef traceTIMER_CREATE_FAILED
536 #define traceTIMER_CREATE_FAILED()
539 #ifndef traceTIMER_COMMAND_SEND
540 #define traceTIMER_COMMAND_SEND( xTimer, xMessageID, xMessageValueValue, xReturn )
543 #ifndef traceTIMER_EXPIRED
544 #define traceTIMER_EXPIRED( pxTimer )
547 #ifndef traceTIMER_COMMAND_RECEIVED
548 #define traceTIMER_COMMAND_RECEIVED( pxTimer, xMessageID, xMessageValue )
552 #define traceMALLOC( pvAddress, uiSize )
556 #define traceFREE( pvAddress, uiSize )
559 #ifndef traceEVENT_GROUP_CREATE
560 #define traceEVENT_GROUP_CREATE( xEventGroup )
563 #ifndef traceEVENT_GROUP_CREATE_FAILED
564 #define traceEVENT_GROUP_CREATE_FAILED()
567 #ifndef traceEVENT_GROUP_SYNC_BLOCK
568 #define traceEVENT_GROUP_SYNC_BLOCK( xEventGroup, uxBitsToSet, uxBitsToWaitFor )
571 #ifndef traceEVENT_GROUP_SYNC_END
572 #define traceEVENT_GROUP_SYNC_END( xEventGroup, uxBitsToSet, uxBitsToWaitFor, xTimeoutOccurred ) ( void ) xTimeoutOccurred
575 #ifndef traceEVENT_GROUP_WAIT_BITS_BLOCK
576 #define traceEVENT_GROUP_WAIT_BITS_BLOCK( xEventGroup, uxBitsToWaitFor )
579 #ifndef traceEVENT_GROUP_WAIT_BITS_END
580 #define traceEVENT_GROUP_WAIT_BITS_END( xEventGroup, uxBitsToWaitFor, xTimeoutOccurred ) ( void ) xTimeoutOccurred
583 #ifndef traceEVENT_GROUP_CLEAR_BITS
584 #define traceEVENT_GROUP_CLEAR_BITS( xEventGroup, uxBitsToClear )
587 #ifndef traceEVENT_GROUP_CLEAR_BITS_FROM_ISR
588 #define traceEVENT_GROUP_CLEAR_BITS_FROM_ISR( xEventGroup, uxBitsToClear )
591 #ifndef traceEVENT_GROUP_SET_BITS
592 #define traceEVENT_GROUP_SET_BITS( xEventGroup, uxBitsToSet )
595 #ifndef traceEVENT_GROUP_SET_BITS_FROM_ISR
596 #define traceEVENT_GROUP_SET_BITS_FROM_ISR( xEventGroup, uxBitsToSet )
599 #ifndef traceEVENT_GROUP_DELETE
600 #define traceEVENT_GROUP_DELETE( xEventGroup )
603 #ifndef tracePEND_FUNC_CALL
604 #define tracePEND_FUNC_CALL(xFunctionToPend, pvParameter1, ulParameter2, ret)
607 #ifndef tracePEND_FUNC_CALL_FROM_ISR
608 #define tracePEND_FUNC_CALL_FROM_ISR(xFunctionToPend, pvParameter1, ulParameter2, ret)
611 #ifndef traceQUEUE_REGISTRY_ADD
612 #define traceQUEUE_REGISTRY_ADD(xQueue, pcQueueName)
615 #ifndef traceTASK_NOTIFY_TAKE_BLOCK
616 #define traceTASK_NOTIFY_TAKE_BLOCK()
619 #ifndef traceTASK_NOTIFY_TAKE
620 #define traceTASK_NOTIFY_TAKE()
623 #ifndef traceTASK_NOTIFY_WAIT_BLOCK
624 #define traceTASK_NOTIFY_WAIT_BLOCK()
627 #ifndef traceTASK_NOTIFY_WAIT
628 #define traceTASK_NOTIFY_WAIT()
631 #ifndef traceTASK_NOTIFY
632 #define traceTASK_NOTIFY()
635 #ifndef traceTASK_NOTIFY_FROM_ISR
636 #define traceTASK_NOTIFY_FROM_ISR()
639 #ifndef traceTASK_NOTIFY_GIVE_FROM_ISR
640 #define traceTASK_NOTIFY_GIVE_FROM_ISR()
643 #ifndef traceSTREAM_BUFFER_CREATE_FAILED
644 #define traceSTREAM_BUFFER_CREATE_FAILED( xIsMessageBuffer )
647 #ifndef traceSTREAM_BUFFER_CREATE_STATIC_FAILED
648 #define traceSTREAM_BUFFER_CREATE_STATIC_FAILED( xReturn, xIsMessageBuffer )
651 #ifndef traceSTREAM_BUFFER_CREATE
652 #define traceSTREAM_BUFFER_CREATE( pxStreamBuffer, xIsMessageBuffer )
655 #ifndef traceSTREAM_BUFFER_DELETE
656 #define traceSTREAM_BUFFER_DELETE( xStreamBuffer )
659 #ifndef traceSTREAM_BUFFER_RESET
660 #define traceSTREAM_BUFFER_RESET( xStreamBuffer )
663 #ifndef traceBLOCKING_ON_STREAM_BUFFER_SEND
664 #define traceBLOCKING_ON_STREAM_BUFFER_SEND( xStreamBuffer )
667 #ifndef traceSTREAM_BUFFER_SEND
668 #define traceSTREAM_BUFFER_SEND( xStreamBuffer, xBytesSent )
671 #ifndef traceSTREAM_BUFFER_SEND_FAILED
672 #define traceSTREAM_BUFFER_SEND_FAILED( xStreamBuffer )
675 #ifndef traceSTREAM_BUFFER_SEND_FROM_ISR
676 #define traceSTREAM_BUFFER_SEND_FROM_ISR( xStreamBuffer, xBytesSent )
679 #ifndef traceBLOCKING_ON_STREAM_BUFFER_RECEIVE
680 #define traceBLOCKING_ON_STREAM_BUFFER_RECEIVE( xStreamBuffer )
683 #ifndef traceSTREAM_BUFFER_RECEIVE
684 #define traceSTREAM_BUFFER_RECEIVE( xStreamBuffer, xReceivedLength )
687 #ifndef traceSTREAM_BUFFER_RECEIVE_FAILED
688 #define traceSTREAM_BUFFER_RECEIVE_FAILED( xStreamBuffer )
691 #ifndef traceSTREAM_BUFFER_RECEIVE_FROM_ISR
692 #define traceSTREAM_BUFFER_RECEIVE_FROM_ISR( xStreamBuffer, xReceivedLength )
695 #ifndef configGENERATE_RUN_TIME_STATS
696 #define configGENERATE_RUN_TIME_STATS 0
699 #if ( configGENERATE_RUN_TIME_STATS == 1 )
701 #ifndef portCONFIGURE_TIMER_FOR_RUN_TIME_STATS
702 #error If configGENERATE_RUN_TIME_STATS is defined then portCONFIGURE_TIMER_FOR_RUN_TIME_STATS must also be defined. portCONFIGURE_TIMER_FOR_RUN_TIME_STATS should call a port layer function to setup a peripheral timer/counter that can then be used as the run time counter time base.
703 #endif /* portCONFIGURE_TIMER_FOR_RUN_TIME_STATS */
705 #ifndef portGET_RUN_TIME_COUNTER_VALUE
706 #ifndef portALT_GET_RUN_TIME_COUNTER_VALUE
707 #error If configGENERATE_RUN_TIME_STATS is defined then either portGET_RUN_TIME_COUNTER_VALUE or portALT_GET_RUN_TIME_COUNTER_VALUE must also be defined. See the examples provided and the FreeRTOS web site for more information.
708 #endif /* portALT_GET_RUN_TIME_COUNTER_VALUE */
709 #endif /* portGET_RUN_TIME_COUNTER_VALUE */
711 #endif /* configGENERATE_RUN_TIME_STATS */
713 #ifndef portCONFIGURE_TIMER_FOR_RUN_TIME_STATS
714 #define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS()
717 #ifndef configUSE_MALLOC_FAILED_HOOK
718 #define configUSE_MALLOC_FAILED_HOOK 0
721 #ifndef portPRIVILEGE_BIT
722 #define portPRIVILEGE_BIT ( ( UBaseType_t ) 0x00 )
725 #ifndef portYIELD_WITHIN_API
726 #define portYIELD_WITHIN_API portYIELD
729 #ifndef portSUPPRESS_TICKS_AND_SLEEP
730 #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime )
733 #ifndef configEXPECTED_IDLE_TIME_BEFORE_SLEEP
734 #define configEXPECTED_IDLE_TIME_BEFORE_SLEEP 2
737 #if configEXPECTED_IDLE_TIME_BEFORE_SLEEP < 2
738 #error configEXPECTED_IDLE_TIME_BEFORE_SLEEP must not be less than 2
741 #ifndef configUSE_TICKLESS_IDLE
742 #define configUSE_TICKLESS_IDLE 0
745 #ifndef configPRE_SUPPRESS_TICKS_AND_SLEEP_PROCESSING
746 #define configPRE_SUPPRESS_TICKS_AND_SLEEP_PROCESSING( x )
749 #ifndef configPRE_SLEEP_PROCESSING
750 #define configPRE_SLEEP_PROCESSING( x )
753 #ifndef configPOST_SLEEP_PROCESSING
754 #define configPOST_SLEEP_PROCESSING( x )
757 #ifndef configUSE_QUEUE_SETS
758 #define configUSE_QUEUE_SETS 0
761 #ifndef portTASK_USES_FLOATING_POINT
762 #define portTASK_USES_FLOATING_POINT()
765 #ifndef portALLOCATE_SECURE_CONTEXT
766 #define portALLOCATE_SECURE_CONTEXT( ulSecureStackSize )
769 #ifndef portHAS_STACK_OVERFLOW_CHECKING
770 #define portHAS_STACK_OVERFLOW_CHECKING 0
773 #ifndef configUSE_TIME_SLICING
774 #define configUSE_TIME_SLICING 1
777 #ifndef configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS
778 #define configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS 0
781 #ifndef configUSE_STATS_FORMATTING_FUNCTIONS
782 #define configUSE_STATS_FORMATTING_FUNCTIONS 0
785 #ifndef portASSERT_IF_INTERRUPT_PRIORITY_INVALID
786 #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID()
789 #ifndef configUSE_TRACE_FACILITY
790 #define configUSE_TRACE_FACILITY 0
793 #ifndef mtCOVERAGE_TEST_MARKER
794 #define mtCOVERAGE_TEST_MARKER()
797 #ifndef mtCOVERAGE_TEST_DELAY
798 #define mtCOVERAGE_TEST_DELAY()
801 #ifndef portASSERT_IF_IN_ISR
802 #define portASSERT_IF_IN_ISR()
805 #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
806 #define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
809 #ifndef configAPPLICATION_ALLOCATED_HEAP
810 #define configAPPLICATION_ALLOCATED_HEAP 0
813 #ifndef configUSE_TASK_NOTIFICATIONS
814 #define configUSE_TASK_NOTIFICATIONS 1
817 #ifndef configUSE_POSIX_ERRNO
818 #define configUSE_POSIX_ERRNO 0
821 #ifndef portTICK_TYPE_IS_ATOMIC
822 #define portTICK_TYPE_IS_ATOMIC 0
825 #ifndef configSUPPORT_STATIC_ALLOCATION
826 /* Defaults to 0 for backward compatibility. */
827 #define configSUPPORT_STATIC_ALLOCATION 0
830 #ifndef configSUPPORT_DYNAMIC_ALLOCATION
831 /* Defaults to 1 for backward compatibility. */
832 #define configSUPPORT_DYNAMIC_ALLOCATION 1
835 #ifndef configSTACK_DEPTH_TYPE
836 /* Defaults to uint16_t for backward compatibility, but can be overridden
837 in FreeRTOSConfig.h if uint16_t is too restrictive. */
838 #define configSTACK_DEPTH_TYPE uint16_t
841 #ifndef configMESSAGE_BUFFER_LENGTH_TYPE
842 /* Defaults to size_t for backward compatibility, but can be overridden
843 in FreeRTOSConfig.h if lengths will always be less than the number of bytes
845 #define configMESSAGE_BUFFER_LENGTH_TYPE size_t
848 /* Sanity check the configuration. */
849 #if( configUSE_TICKLESS_IDLE != 0 )
850 #if( INCLUDE_vTaskSuspend != 1 )
851 #error INCLUDE_vTaskSuspend must be set to 1 if configUSE_TICKLESS_IDLE is not set to 0
852 #endif /* INCLUDE_vTaskSuspend */
853 #endif /* configUSE_TICKLESS_IDLE */
855 #if( ( configSUPPORT_STATIC_ALLOCATION == 0 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 0 ) )
856 #error configSUPPORT_STATIC_ALLOCATION and configSUPPORT_DYNAMIC_ALLOCATION cannot both be 0, but can both be 1.
859 #if( ( configUSE_RECURSIVE_MUTEXES == 1 ) && ( configUSE_MUTEXES != 1 ) )
860 #error configUSE_MUTEXES must be set to 1 to use recursive mutexes
863 #ifndef configINITIAL_TICK_COUNT
864 #define configINITIAL_TICK_COUNT 0
867 #if( portTICK_TYPE_IS_ATOMIC == 0 )
868 /* Either variables of tick type cannot be read atomically, or
869 portTICK_TYPE_IS_ATOMIC was not set - map the critical sections used when
870 the tick count is returned to the standard critical section macros. */
871 #define portTICK_TYPE_ENTER_CRITICAL() portENTER_CRITICAL()
872 #define portTICK_TYPE_EXIT_CRITICAL() portEXIT_CRITICAL()
873 #define portTICK_TYPE_SET_INTERRUPT_MASK_FROM_ISR() portSET_INTERRUPT_MASK_FROM_ISR()
874 #define portTICK_TYPE_CLEAR_INTERRUPT_MASK_FROM_ISR( x ) portCLEAR_INTERRUPT_MASK_FROM_ISR( ( x ) )
876 /* The tick type can be read atomically, so critical sections used when the
877 tick count is returned can be defined away. */
878 #define portTICK_TYPE_ENTER_CRITICAL()
879 #define portTICK_TYPE_EXIT_CRITICAL()
880 #define portTICK_TYPE_SET_INTERRUPT_MASK_FROM_ISR() 0
881 #define portTICK_TYPE_CLEAR_INTERRUPT_MASK_FROM_ISR( x ) ( void ) x
884 /* Definitions to allow backward compatibility with FreeRTOS versions prior to
886 #ifndef configENABLE_BACKWARD_COMPATIBILITY
887 #define configENABLE_BACKWARD_COMPATIBILITY 1
891 /* configPRINTF() was not defined, so define it away to nothing. To use
892 configPRINTF() then define it as follows (where MyPrintFunction() is
893 provided by the application writer):
895 void MyPrintFunction(const char *pcFormat, ... );
896 #define configPRINTF( X ) MyPrintFunction X
898 Then call like a standard printf() function, but placing brackets around
899 all parameters so they are passed as a single parameter. For example:
900 configPRINTF( ("Value = %d", MyVariable) ); */
901 #define configPRINTF( X )
905 /* The application writer has not provided their own MAX macro, so define
906 the following generic implementation. */
907 #define configMAX( a, b ) ( ( ( a ) > ( b ) ) ? ( a ) : ( b ) )
911 /* The application writer has not provided their own MAX macro, so define
912 the following generic implementation. */
913 #define configMIN( a, b ) ( ( ( a ) < ( b ) ) ? ( a ) : ( b ) )
916 #if configENABLE_BACKWARD_COMPATIBILITY == 1
917 #define eTaskStateGet eTaskGetState
918 #define portTickType TickType_t
919 #define xTaskHandle TaskHandle_t
920 #define xQueueHandle QueueHandle_t
921 #define xSemaphoreHandle SemaphoreHandle_t
922 #define xQueueSetHandle QueueSetHandle_t
923 #define xQueueSetMemberHandle QueueSetMemberHandle_t
924 #define xTimeOutType TimeOut_t
925 #define xMemoryRegion MemoryRegion_t
926 #define xTaskParameters TaskParameters_t
927 #define xTaskStatusType TaskStatus_t
928 #define xTimerHandle TimerHandle_t
929 #define xCoRoutineHandle CoRoutineHandle_t
930 #define pdTASK_HOOK_CODE TaskHookFunction_t
931 #define portTICK_RATE_MS portTICK_PERIOD_MS
932 #define pcTaskGetTaskName pcTaskGetName
933 #define pcTimerGetTimerName pcTimerGetName
934 #define pcQueueGetQueueName pcQueueGetName
935 #define vTaskGetTaskInfo vTaskGetInfo
937 /* Backward compatibility within the scheduler code only - these definitions
938 are not really required but are included for completeness. */
939 #define tmrTIMER_CALLBACK TimerCallbackFunction_t
940 #define pdTASK_CODE TaskFunction_t
941 #define xListItem ListItem_t
944 /* For libraries that break the list data hiding, and access list structure
945 members directly (which is not supposed to be done). */
946 #define pxContainer pvContainer
947 #endif /* configENABLE_BACKWARD_COMPATIBILITY */
949 #if( configUSE_ALTERNATIVE_API != 0 )
950 #error The alternative API was deprecated some time ago, and was removed in FreeRTOS V9.0 0
953 /* Set configUSE_TASK_FPU_SUPPORT to 0 to omit floating point support even
954 if floating point hardware is otherwise supported by the FreeRTOS port in use.
955 This constant is not supported by all FreeRTOS ports that include floating
957 #ifndef configUSE_TASK_FPU_SUPPORT
958 #define configUSE_TASK_FPU_SUPPORT 1
961 /* Set configENABLE_MPU to 1 to enable MPU support and 0 to disable it. This is
962 currently used in ARMv8M ports. */
963 #ifndef configENABLE_MPU
964 #define configENABLE_MPU 0
967 /* Set configENABLE_FPU to 1 to enable FPU support and 0 to disable it. This is
968 currently used in ARMv8M ports. */
969 #ifndef configENABLE_FPU
970 #define configENABLE_FPU 1
973 /* Set configENABLE_TRUSTZONE to 1 enable TrustZone support and 0 to disable it.
974 This is currently used in ARMv8M ports. */
975 #ifndef configENABLE_TRUSTZONE
976 #define configENABLE_TRUSTZONE 1
979 /* Set configRUN_FREERTOS_SECURE_ONLY to 1 to run the FreeRTOS ARMv8M port on
980 the Secure Side only. */
981 #ifndef configRUN_FREERTOS_SECURE_ONLY
982 #define configRUN_FREERTOS_SECURE_ONLY 0
985 /* Sometimes the FreeRTOSConfig.h settings only allow a task to be created using
986 * dynamically allocated RAM, in which case when any task is deleted it is known
987 * that both the task's stack and TCB need to be freed. Sometimes the
988 * FreeRTOSConfig.h settings only allow a task to be created using statically
989 * allocated RAM, in which case when any task is deleted it is known that neither
990 * the task's stack or TCB should be freed. Sometimes the FreeRTOSConfig.h
991 * settings allow a task to be created using either statically or dynamically
992 * allocated RAM, in which case a member of the TCB is used to record whether the
993 * stack and/or TCB were allocated statically or dynamically, so when a task is
994 * deleted the RAM that was allocated dynamically is freed again and no attempt is
995 * made to free the RAM that was allocated statically.
996 * tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE is only true if it is possible for a
997 * task to be created using either statically or dynamically allocated RAM. Note
998 * that if portUSING_MPU_WRAPPERS is 1 then a protected task can be created with
999 * a statically allocated stack and a dynamically allocated TCB.
1001 * The following table lists various combinations of portUSING_MPU_WRAPPERS,
1002 * configSUPPORT_DYNAMIC_ALLOCATION and configSUPPORT_STATIC_ALLOCATION and
1003 * when it is possible to have both static and dynamic allocation:
1004 * +-----+---------+--------+-----------------------------+-----------------------------------+------------------+-----------+
1005 * | MPU | Dynamic | Static | Available Functions | Possible Allocations | Both Dynamic and | Need Free |
1006 * | | | | | | Static Possible | |
1007 * +-----+---------+--------+-----------------------------+-----------------------------------+------------------+-----------+
1008 * | 0 | 0 | 1 | xTaskCreateStatic | TCB - Static, Stack - Static | No | No |
1009 * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------|
1010 * | 0 | 1 | 0 | xTaskCreate | TCB - Dynamic, Stack - Dynamic | No | Yes |
1011 * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------|
1012 * | 0 | 1 | 1 | xTaskCreate, | 1. TCB - Dynamic, Stack - Dynamic | Yes | Yes |
1013 * | | | | xTaskCreateStatic | 2. TCB - Static, Stack - Static | | |
1014 * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------|
1015 * | 1 | 0 | 1 | xTaskCreateStatic, | TCB - Static, Stack - Static | No | No |
1016 * | | | | xTaskCreateRestrictedStatic | | | |
1017 * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------|
1018 * | 1 | 1 | 0 | xTaskCreate, | 1. TCB - Dynamic, Stack - Dynamic | Yes | Yes |
1019 * | | | | xTaskCreateRestricted | 2. TCB - Dynamic, Stack - Static | | |
1020 * +-----|---------|--------|-----------------------------|-----------------------------------|------------------|-----------|
1021 * | 1 | 1 | 1 | xTaskCreate, | 1. TCB - Dynamic, Stack - Dynamic | Yes | Yes |
1022 * | | | | xTaskCreateStatic, | 2. TCB - Dynamic, Stack - Static | | |
1023 * | | | | xTaskCreateRestricted, | 3. TCB - Static, Stack - Static | | |
1024 * | | | | xTaskCreateRestrictedStatic | | | |
1025 * +-----+---------+--------+-----------------------------+-----------------------------------+------------------+-----------+
1027 #define tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE ( ( ( portUSING_MPU_WRAPPERS == 0 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 1 ) ) || \
1028 ( ( portUSING_MPU_WRAPPERS == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) )
1031 * In line with software engineering best practice, FreeRTOS implements a strict
1032 * data hiding policy, so the real structures used by FreeRTOS to maintain the
1033 * state of tasks, queues, semaphores, etc. are not accessible to the application
1034 * code. However, if the application writer wants to statically allocate such
1035 * an object then the size of the object needs to be know. Dummy structures
1036 * that are guaranteed to have the same size and alignment requirements of the
1037 * real objects are used for this purpose. The dummy list and list item
1038 * structures below are used for inclusion in such a dummy structure.
1040 struct xSTATIC_LIST_ITEM
1042 #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 )
1046 void *pvDummy3[ 4 ];
1047 #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 )
1051 typedef struct xSTATIC_LIST_ITEM StaticListItem_t;
1053 /* See the comments above the struct xSTATIC_LIST_ITEM definition. */
1054 struct xSTATIC_MINI_LIST_ITEM
1056 #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 )
1060 void *pvDummy3[ 2 ];
1062 typedef struct xSTATIC_MINI_LIST_ITEM StaticMiniListItem_t;
1064 /* See the comments above the struct xSTATIC_LIST_ITEM definition. */
1065 typedef struct xSTATIC_LIST
1067 #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 )
1070 UBaseType_t uxDummy2;
1072 StaticMiniListItem_t xDummy4;
1073 #if( configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES == 1 )
1079 * In line with software engineering best practice, especially when supplying a
1080 * library that is likely to change in future versions, FreeRTOS implements a
1081 * strict data hiding policy. This means the Task structure used internally by
1082 * FreeRTOS is not accessible to application code. However, if the application
1083 * writer wants to statically allocate the memory required to create a task then
1084 * the size of the task object needs to be know. The StaticTask_t structure
1085 * below is provided for this purpose. Its sizes and alignment requirements are
1086 * guaranteed to match those of the genuine structure, no matter which
1087 * architecture is being used, and no matter how the values in FreeRTOSConfig.h
1088 * are set. Its contents are somewhat obfuscated in the hope users will
1089 * recognise that it would be unwise to make direct use of the structure members.
1091 typedef struct xSTATIC_TCB
1094 #if ( portUSING_MPU_WRAPPERS == 1 )
1095 xMPU_SETTINGS xDummy2;
1097 StaticListItem_t xDummy3[ 2 ];
1098 UBaseType_t uxDummy5;
1100 uint8_t ucDummy7[ configMAX_TASK_NAME_LEN ];
1101 #if ( ( portSTACK_GROWTH > 0 ) || ( configRECORD_STACK_HIGH_ADDRESS == 1 ) )
1104 #if ( portCRITICAL_NESTING_IN_TCB == 1 )
1105 UBaseType_t uxDummy9;
1107 #if ( configUSE_TRACE_FACILITY == 1 )
1108 UBaseType_t uxDummy10[ 2 ];
1110 #if ( configUSE_MUTEXES == 1 )
1111 UBaseType_t uxDummy12[ 2 ];
1113 #if ( configUSE_APPLICATION_TASK_TAG == 1 )
1116 #if( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 )
1117 void *pvDummy15[ configNUM_THREAD_LOCAL_STORAGE_POINTERS ];
1119 #if ( configGENERATE_RUN_TIME_STATS == 1 )
1122 #if ( configUSE_NEWLIB_REENTRANT == 1 )
1123 struct _reent xDummy17;
1125 #if ( configUSE_TASK_NOTIFICATIONS == 1 )
1129 #if ( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 )
1133 #if( INCLUDE_xTaskAbortDelay == 1 )
1136 #if ( configUSE_POSIX_ERRNO == 1 )
1142 * In line with software engineering best practice, especially when supplying a
1143 * library that is likely to change in future versions, FreeRTOS implements a
1144 * strict data hiding policy. This means the Queue structure used internally by
1145 * FreeRTOS is not accessible to application code. However, if the application
1146 * writer wants to statically allocate the memory required to create a queue
1147 * then the size of the queue object needs to be know. The StaticQueue_t
1148 * structure below is provided for this purpose. Its sizes and alignment
1149 * requirements are guaranteed to match those of the genuine structure, no
1150 * matter which architecture is being used, and no matter how the values in
1151 * FreeRTOSConfig.h are set. Its contents are somewhat obfuscated in the hope
1152 * users will recognise that it would be unwise to make direct use of the
1153 * structure members.
1155 typedef struct xSTATIC_QUEUE
1157 void *pvDummy1[ 3 ];
1162 UBaseType_t uxDummy2;
1165 StaticList_t xDummy3[ 2 ];
1166 UBaseType_t uxDummy4[ 3 ];
1167 uint8_t ucDummy5[ 2 ];
1169 #if( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) )
1173 #if ( configUSE_QUEUE_SETS == 1 )
1177 #if ( configUSE_TRACE_FACILITY == 1 )
1178 UBaseType_t uxDummy8;
1183 typedef StaticQueue_t StaticSemaphore_t;
1186 * In line with software engineering best practice, especially when supplying a
1187 * library that is likely to change in future versions, FreeRTOS implements a
1188 * strict data hiding policy. This means the event group structure used
1189 * internally by FreeRTOS is not accessible to application code. However, if
1190 * the application writer wants to statically allocate the memory required to
1191 * create an event group then the size of the event group object needs to be
1192 * know. The StaticEventGroup_t structure below is provided for this purpose.
1193 * Its sizes and alignment requirements are guaranteed to match those of the
1194 * genuine structure, no matter which architecture is being used, and no matter
1195 * how the values in FreeRTOSConfig.h are set. Its contents are somewhat
1196 * obfuscated in the hope users will recognise that it would be unwise to make
1197 * direct use of the structure members.
1199 typedef struct xSTATIC_EVENT_GROUP
1202 StaticList_t xDummy2;
1204 #if( configUSE_TRACE_FACILITY == 1 )
1205 UBaseType_t uxDummy3;
1208 #if( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) )
1212 } StaticEventGroup_t;
1215 * In line with software engineering best practice, especially when supplying a
1216 * library that is likely to change in future versions, FreeRTOS implements a
1217 * strict data hiding policy. This means the software timer structure used
1218 * internally by FreeRTOS is not accessible to application code. However, if
1219 * the application writer wants to statically allocate the memory required to
1220 * create a software timer then the size of the queue object needs to be know.
1221 * The StaticTimer_t structure below is provided for this purpose. Its sizes
1222 * and alignment requirements are guaranteed to match those of the genuine
1223 * structure, no matter which architecture is being used, and no matter how the
1224 * values in FreeRTOSConfig.h are set. Its contents are somewhat obfuscated in
1225 * the hope users will recognise that it would be unwise to make direct use of
1226 * the structure members.
1228 typedef struct xSTATIC_TIMER
1231 StaticListItem_t xDummy2;
1234 TaskFunction_t pvDummy6;
1235 #if( configUSE_TRACE_FACILITY == 1 )
1236 UBaseType_t uxDummy7;
1243 * In line with software engineering best practice, especially when supplying a
1244 * library that is likely to change in future versions, FreeRTOS implements a
1245 * strict data hiding policy. This means the stream buffer structure used
1246 * internally by FreeRTOS is not accessible to application code. However, if
1247 * the application writer wants to statically allocate the memory required to
1248 * create a stream buffer then the size of the stream buffer object needs to be
1249 * know. The StaticStreamBuffer_t structure below is provided for this purpose.
1250 * Its size and alignment requirements are guaranteed to match those of the
1251 * genuine structure, no matter which architecture is being used, and no matter
1252 * how the values in FreeRTOSConfig.h are set. Its contents are somewhat
1253 * obfuscated in the hope users will recognise that it would be unwise to make
1254 * direct use of the structure members.
1256 typedef struct xSTATIC_STREAM_BUFFER
1258 size_t uxDummy1[ 4 ];
1259 void * pvDummy2[ 3 ];
1261 #if ( configUSE_TRACE_FACILITY == 1 )
1262 UBaseType_t uxDummy4;
1264 } StaticStreamBuffer_t;
1266 /* Message buffers are built on stream buffers. */
1267 typedef StaticStreamBuffer_t StaticMessageBuffer_t;
1273 #endif /* INC_FREERTOS_H */