/* * FreeRTOS Kernel * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * SPDX-License-Identifier: MIT * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * https://www.FreeRTOS.org * https://github.com/FreeRTOS * */ /* * When the MPU is used the standard (non MPU) API functions are mapped to * equivalents that start "MPU_", the prototypes for which are defined in this * header files. This will cause the application code to call the MPU_ version * which wraps the non-MPU version with privilege promoting then demoting code, * so the kernel code always runs will full privileges. */ #ifndef MPU_PROTOTYPES_H #define MPU_PROTOTYPES_H typedef struct xTaskGenericNotifyParams { TaskHandle_t xTaskToNotify; UBaseType_t uxIndexToNotify; uint32_t ulValue; eNotifyAction eAction; uint32_t * pulPreviousNotificationValue; } xTaskGenericNotifyParams_t; typedef struct xTaskGenericNotifyWaitParams { UBaseType_t uxIndexToWaitOn; uint32_t ulBitsToClearOnEntry; uint32_t ulBitsToClearOnExit; uint32_t * pulNotificationValue; TickType_t xTicksToWait; } xTaskGenericNotifyWaitParams_t; typedef struct xTimerGenericCommandFromTaskParams { TimerHandle_t xTimer; BaseType_t xCommandID; TickType_t xOptionalValue; BaseType_t * pxHigherPriorityTaskWoken; TickType_t xTicksToWait; } xTimerGenericCommandFromTaskParams_t; typedef struct xEventGroupWaitBitsParams { EventGroupHandle_t xEventGroup; EventBits_t uxBitsToWaitFor; BaseType_t xClearOnExit; BaseType_t xWaitForAllBits; TickType_t xTicksToWait; } xEventGroupWaitBitsParams_t; /* MPU versions of task.h API functions. */ void MPU_vTaskDelay( const TickType_t xTicksToDelay ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskDelayUntil( TickType_t * const pxPreviousWakeTime, const TickType_t xTimeIncrement ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskAbortDelay( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; UBaseType_t MPU_uxTaskPriorityGet( const TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; eTaskState MPU_eTaskGetState( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; void MPU_vTaskGetInfo( TaskHandle_t xTask, TaskStatus_t * pxTaskStatus, BaseType_t xGetFreeStackSpace, eTaskState eState ) FREERTOS_SYSTEM_CALL; void MPU_vTaskSuspend( TaskHandle_t xTaskToSuspend ) FREERTOS_SYSTEM_CALL; void MPU_vTaskResume( TaskHandle_t xTaskToResume ) FREERTOS_SYSTEM_CALL; TickType_t MPU_xTaskGetTickCount( void ) FREERTOS_SYSTEM_CALL; UBaseType_t MPU_uxTaskGetNumberOfTasks( void ) FREERTOS_SYSTEM_CALL; UBaseType_t MPU_uxTaskGetStackHighWaterMark( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; configSTACK_DEPTH_TYPE MPU_uxTaskGetStackHighWaterMark2( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; void MPU_vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxHookFunction ) FREERTOS_SYSTEM_CALL; TaskHookFunction_t MPU_xTaskGetApplicationTaskTag( TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; void MPU_vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void * pvValue ) FREERTOS_SYSTEM_CALL; void * MPU_pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseType_t xIndex ) FREERTOS_SYSTEM_CALL; TaskHandle_t MPU_xTaskGetIdleTaskHandle( void ) FREERTOS_SYSTEM_CALL; UBaseType_t MPU_uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray, const UBaseType_t uxArraySize, configRUN_TIME_COUNTER_TYPE * const pulTotalRunTime ) FREERTOS_SYSTEM_CALL; configRUN_TIME_COUNTER_TYPE MPU_ulTaskGetRunTimeCounter( const TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; configRUN_TIME_COUNTER_TYPE MPU_ulTaskGetRunTimePercent( const TaskHandle_t xTask ) FREERTOS_SYSTEM_CALL; configRUN_TIME_COUNTER_TYPE MPU_ulTaskGetIdleRunTimeCounter( void ) FREERTOS_SYSTEM_CALL; configRUN_TIME_COUNTER_TYPE MPU_ulTaskGetIdleRunTimePercent( void ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskGenericNotify( TaskHandle_t xTaskToNotify, UBaseType_t uxIndexToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t * pulPreviousNotificationValue ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskGenericNotifyEntry( const xTaskGenericNotifyParams_t * pxParams ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskGenericNotifyWait( UBaseType_t uxIndexToWaitOn, uint32_t ulBitsToClearOnEntry, uint32_t ulBitsToClearOnExit, uint32_t * pulNotificationValue, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskGenericNotifyWaitEntry( const xTaskGenericNotifyWaitParams_t * pxParams ) FREERTOS_SYSTEM_CALL; uint32_t MPU_ulTaskGenericNotifyTake( UBaseType_t uxIndexToWaitOn, BaseType_t xClearCountOnExit, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskGenericNotifyStateClear( TaskHandle_t xTask, UBaseType_t uxIndexToClear ) FREERTOS_SYSTEM_CALL; uint32_t MPU_ulTaskGenericNotifyValueClear( TaskHandle_t xTask, UBaseType_t uxIndexToClear, uint32_t ulBitsToClear ) FREERTOS_SYSTEM_CALL; void MPU_vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait ) FREERTOS_SYSTEM_CALL; TaskHandle_t MPU_xTaskGetCurrentTaskHandle( void ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTaskGetSchedulerState( void ) FREERTOS_SYSTEM_CALL; /* Privileged only wrappers for Task APIs. These are needed so that * the application can use opaque handles maintained in mpu_wrappers.c * with all the APIs. */ BaseType_t MPU_xTaskCreate( TaskFunction_t pxTaskCode, const char * const pcName, const uint16_t usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask ) PRIVILEGED_FUNCTION; TaskHandle_t MPU_xTaskCreateStatic( TaskFunction_t pxTaskCode, const char * const pcName, const uint32_t ulStackDepth, void * const pvParameters, UBaseType_t uxPriority, StackType_t * const puxStackBuffer, StaticTask_t * const pxTaskBuffer ) PRIVILEGED_FUNCTION; void MPU_vTaskDelete( TaskHandle_t xTaskToDelete ) PRIVILEGED_FUNCTION; void MPU_vTaskPrioritySet( TaskHandle_t xTask, UBaseType_t uxNewPriority ) PRIVILEGED_FUNCTION; TaskHandle_t MPU_xTaskGetHandle( const char * pcNameToQuery ) PRIVILEGED_FUNCTION; BaseType_t MPU_xTaskCallApplicationTaskHook( TaskHandle_t xTask, void * pvParameter ) PRIVILEGED_FUNCTION; char * MPU_pcTaskGetName( TaskHandle_t xTaskToQuery ) PRIVILEGED_FUNCTION; BaseType_t MPU_xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t * pxCreatedTask ) PRIVILEGED_FUNCTION; BaseType_t MPU_xTaskCreateRestrictedStatic( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t * pxCreatedTask ) PRIVILEGED_FUNCTION; void MPU_vTaskAllocateMPURegions( TaskHandle_t xTaskToModify, const MemoryRegion_t * const xRegions ) PRIVILEGED_FUNCTION; BaseType_t MPU_xTaskGetStaticBuffers( TaskHandle_t xTask, StackType_t ** ppuxStackBuffer, StaticTask_t ** ppxTaskBuffer ) PRIVILEGED_FUNCTION; UBaseType_t MPU_uxTaskPriorityGetFromISR( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION; UBaseType_t MPU_uxTaskBasePriorityGet( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION; UBaseType_t MPU_uxTaskBasePriorityGetFromISR( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION; BaseType_t MPU_xTaskResumeFromISR( TaskHandle_t xTaskToResume ) PRIVILEGED_FUNCTION; TaskHookFunction_t MPU_xTaskGetApplicationTaskTagFromISR( TaskHandle_t xTask ) PRIVILEGED_FUNCTION; BaseType_t MPU_xTaskGenericNotifyFromISR( TaskHandle_t xTaskToNotify, UBaseType_t uxIndexToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t * pulPreviousNotificationValue, BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; void MPU_vTaskGenericNotifyGiveFromISR( TaskHandle_t xTaskToNotify, UBaseType_t uxIndexToNotify, BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; /* MPU versions of queue.h API functions. */ BaseType_t MPU_xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQueue, TickType_t xTicksToWait, const BaseType_t xCopyPosition ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xQueueReceive( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xQueuePeek( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xQueueSemaphoreTake( QueueHandle_t xQueue, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; UBaseType_t MPU_uxQueueMessagesWaiting( const QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; UBaseType_t MPU_uxQueueSpacesAvailable( const QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; TaskHandle_t MPU_xQueueGetMutexHolder( QueueHandle_t xSemaphore ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xQueueTakeMutexRecursive( QueueHandle_t xMutex, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xQueueGiveMutexRecursive( QueueHandle_t pxMutex ) FREERTOS_SYSTEM_CALL; void MPU_vQueueAddToRegistry( QueueHandle_t xQueue, const char * pcName ) FREERTOS_SYSTEM_CALL; void MPU_vQueueUnregisterQueue( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; const char * MPU_pcQueueGetName( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xQueueAddToSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) FREERTOS_SYSTEM_CALL; QueueSetMemberHandle_t MPU_xQueueSelectFromSet( QueueSetHandle_t xQueueSet, const TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; void MPU_vQueueSetQueueNumber( QueueHandle_t xQueue, UBaseType_t uxQueueNumber ) FREERTOS_SYSTEM_CALL; UBaseType_t MPU_uxQueueGetQueueNumber( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; uint8_t MPU_ucQueueGetQueueType( QueueHandle_t xQueue ) FREERTOS_SYSTEM_CALL; /* Privileged only wrappers for Queue APIs. These are needed so that * the application can use opaque handles maintained in mpu_wrappers.c * with all the APIs. */ void MPU_vQueueDelete( QueueHandle_t xQueue ) PRIVILEGED_FUNCTION; QueueHandle_t MPU_xQueueCreateMutex( const uint8_t ucQueueType ) PRIVILEGED_FUNCTION; QueueHandle_t MPU_xQueueCreateMutexStatic( const uint8_t ucQueueType, StaticQueue_t * pxStaticQueue ) PRIVILEGED_FUNCTION; QueueHandle_t MPU_xQueueCreateCountingSemaphore( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount ) PRIVILEGED_FUNCTION; QueueHandle_t MPU_xQueueCreateCountingSemaphoreStatic( const UBaseType_t uxMaxCount, const UBaseType_t uxInitialCount, StaticQueue_t * pxStaticQueue ) PRIVILEGED_FUNCTION; QueueHandle_t MPU_xQueueGenericCreate( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, const uint8_t ucQueueType ) PRIVILEGED_FUNCTION; QueueHandle_t MPU_xQueueGenericCreateStatic( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t * pucQueueStorage, StaticQueue_t * pxStaticQueue, const uint8_t ucQueueType ) PRIVILEGED_FUNCTION; QueueSetHandle_t MPU_xQueueCreateSet( const UBaseType_t uxEventQueueLength ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueueRemoveFromSet( QueueSetMemberHandle_t xQueueOrSemaphore, QueueSetHandle_t xQueueSet ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueueGenericReset( QueueHandle_t xQueue, BaseType_t xNewQueue ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueueGenericGetStaticBuffers( QueueHandle_t xQueue, uint8_t ** ppucQueueStorage, StaticQueue_t ** ppxStaticQueue ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueueGenericSendFromISR( QueueHandle_t xQueue, const void * const pvItemToQueue, BaseType_t * const pxHigherPriorityTaskWoken, const BaseType_t xCopyPosition ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueueGiveFromISR( QueueHandle_t xQueue, BaseType_t * const pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueuePeekFromISR( QueueHandle_t xQueue, void * const pvBuffer ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueueReceiveFromISR( QueueHandle_t xQueue, void * const pvBuffer, BaseType_t * const pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueueIsQueueEmptyFromISR( const QueueHandle_t xQueue ) PRIVILEGED_FUNCTION; BaseType_t MPU_xQueueIsQueueFullFromISR( const QueueHandle_t xQueue ) PRIVILEGED_FUNCTION; UBaseType_t MPU_uxQueueMessagesWaitingFromISR( const QueueHandle_t xQueue ) PRIVILEGED_FUNCTION; TaskHandle_t MPU_xQueueGetMutexHolderFromISR( QueueHandle_t xSemaphore ) PRIVILEGED_FUNCTION; QueueSetMemberHandle_t MPU_xQueueSelectFromSetFromISR( QueueSetHandle_t xQueueSet ) PRIVILEGED_FUNCTION; /* MPU versions of timers.h API functions. */ void * MPU_pvTimerGetTimerID( const TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; void MPU_vTimerSetTimerID( TimerHandle_t xTimer, void * pvNewID ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTimerIsTimerActive( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; TaskHandle_t MPU_xTimerGetTimerDaemonTaskHandle( void ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTimerGenericCommandFromTask( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTimerGenericCommandFromTaskEntry( const xTimerGenericCommandFromTaskParams_t * pxParams ) FREERTOS_SYSTEM_CALL; const char * MPU_pcTimerGetName( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; void MPU_vTimerSetReloadMode( TimerHandle_t xTimer, const BaseType_t uxAutoReload ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xTimerGetReloadMode( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; UBaseType_t MPU_uxTimerGetReloadMode( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; TickType_t MPU_xTimerGetPeriod( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; TickType_t MPU_xTimerGetExpiryTime( TimerHandle_t xTimer ) FREERTOS_SYSTEM_CALL; /* Privileged only wrappers for Timer APIs. These are needed so that * the application can use opaque handles maintained in mpu_wrappers.c * with all the APIs. */ TimerHandle_t MPU_xTimerCreate( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction ) PRIVILEGED_FUNCTION; TimerHandle_t MPU_xTimerCreateStatic( const char * const pcTimerName, const TickType_t xTimerPeriodInTicks, const UBaseType_t uxAutoReload, void * const pvTimerID, TimerCallbackFunction_t pxCallbackFunction, StaticTimer_t * pxTimerBuffer ) PRIVILEGED_FUNCTION; BaseType_t MPU_xTimerGetStaticBuffer( TimerHandle_t xTimer, StaticTimer_t ** ppxTimerBuffer ) PRIVILEGED_FUNCTION; BaseType_t MPU_xTimerGenericCommandFromISR( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ) PRIVILEGED_FUNCTION; /* MPU versions of event_group.h API functions. */ EventBits_t MPU_xEventGroupWaitBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToWaitFor, const BaseType_t xClearOnExit, const BaseType_t xWaitForAllBits, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; EventBits_t MPU_xEventGroupWaitBitsEntry( const xEventGroupWaitBitsParams_t * pxParams ) FREERTOS_SYSTEM_CALL; EventBits_t MPU_xEventGroupClearBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ) FREERTOS_SYSTEM_CALL; EventBits_t MPU_xEventGroupSetBits( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet ) FREERTOS_SYSTEM_CALL; EventBits_t MPU_xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; #if ( configUSE_TRACE_FACILITY == 1 ) UBaseType_t MPU_uxEventGroupGetNumber( void * xEventGroup ) FREERTOS_SYSTEM_CALL; void MPU_vEventGroupSetNumber( void * xEventGroup, UBaseType_t uxEventGroupNumber ) FREERTOS_SYSTEM_CALL; #endif /* ( configUSE_TRACE_FACILITY == 1 )*/ /* Privileged only wrappers for Event Group APIs. These are needed so that * the application can use opaque handles maintained in mpu_wrappers.c * with all the APIs. */ EventGroupHandle_t MPU_xEventGroupCreate( void ) PRIVILEGED_FUNCTION; EventGroupHandle_t MPU_xEventGroupCreateStatic( StaticEventGroup_t * pxEventGroupBuffer ) PRIVILEGED_FUNCTION; void MPU_vEventGroupDelete( EventGroupHandle_t xEventGroup ) PRIVILEGED_FUNCTION; BaseType_t MPU_xEventGroupGetStaticBuffer( EventGroupHandle_t xEventGroup, StaticEventGroup_t ** ppxEventGroupBuffer ) PRIVILEGED_FUNCTION; BaseType_t MPU_xEventGroupClearBitsFromISR( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToClear ) PRIVILEGED_FUNCTION; BaseType_t MPU_xEventGroupSetBitsFromISR( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; EventBits_t MPU_xEventGroupGetBitsFromISR( EventGroupHandle_t xEventGroup ) PRIVILEGED_FUNCTION; /* MPU versions of message/stream_buffer.h API functions. */ size_t MPU_xStreamBufferSend( StreamBufferHandle_t xStreamBuffer, const void * pvTxData, size_t xDataLengthBytes, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; size_t MPU_xStreamBufferReceive( StreamBufferHandle_t xStreamBuffer, void * pvRxData, size_t xBufferLengthBytes, TickType_t xTicksToWait ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xStreamBufferIsFull( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xStreamBufferIsEmpty( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; size_t MPU_xStreamBufferSpacesAvailable( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; size_t MPU_xStreamBufferBytesAvailable( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; BaseType_t MPU_xStreamBufferSetTriggerLevel( StreamBufferHandle_t xStreamBuffer, size_t xTriggerLevel ) FREERTOS_SYSTEM_CALL; size_t MPU_xStreamBufferNextMessageLengthBytes( StreamBufferHandle_t xStreamBuffer ) FREERTOS_SYSTEM_CALL; /* Privileged only wrappers for Stream Buffer APIs. These are needed so that * the application can use opaque handles maintained in mpu_wrappers.c * with all the APIs. */ StreamBufferHandle_t MPU_xStreamBufferGenericCreate( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer, StreamBufferCallbackFunction_t pxSendCompletedCallback, StreamBufferCallbackFunction_t pxReceiveCompletedCallback ) PRIVILEGED_FUNCTION; StreamBufferHandle_t MPU_xStreamBufferGenericCreateStatic( size_t xBufferSizeBytes, size_t xTriggerLevelBytes, BaseType_t xIsMessageBuffer, uint8_t * const pucStreamBufferStorageArea, StaticStreamBuffer_t * const pxStaticStreamBuffer, StreamBufferCallbackFunction_t pxSendCompletedCallback, StreamBufferCallbackFunction_t pxReceiveCompletedCallback ) PRIVILEGED_FUNCTION; void MPU_vStreamBufferDelete( StreamBufferHandle_t xStreamBuffer ) PRIVILEGED_FUNCTION; BaseType_t MPU_xStreamBufferReset( StreamBufferHandle_t xStreamBuffer ) PRIVILEGED_FUNCTION; BaseType_t MPU_xStreamBufferGetStaticBuffers( StreamBufferHandle_t xStreamBuffers, uint8_t * ppucStreamBufferStorageArea, StaticStreamBuffer_t * ppxStaticStreamBuffer ) PRIVILEGED_FUNCTION; size_t MPU_xStreamBufferSendFromISR( StreamBufferHandle_t xStreamBuffer, const void * pvTxData, size_t xDataLengthBytes, BaseType_t * const pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; size_t MPU_xStreamBufferReceiveFromISR( StreamBufferHandle_t xStreamBuffer, void * pvRxData, size_t xBufferLengthBytes, BaseType_t * const pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; BaseType_t MPU_xStreamBufferSendCompletedFromISR( StreamBufferHandle_t xStreamBuffer, BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; BaseType_t MPU_xStreamBufferReceiveCompletedFromISR( StreamBufferHandle_t xStreamBuffer, BaseType_t * pxHigherPriorityTaskWoken ) PRIVILEGED_FUNCTION; #endif /* MPU_PROTOTYPES_H */