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chinglee-iotkar-rahul-awsaggarg
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Add base priority get APIs (#818)
* Add base priority get APIs * Add MPU changes --------- Signed-off-by: Gaurav Aggarwal <[email protected]> Co-authored-by: kar-rahul-aws <[email protected]> Co-authored-by: Gaurav Aggarwal <[email protected]>
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‎include/FreeRTOS.h

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@@ -1714,6 +1714,22 @@
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#define traceRETURN_uxTaskPriorityGetFromISR( uxReturn )
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#endif
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#ifndef traceENTER_uxTaskBasePriorityGet
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#define traceENTER_uxTaskBasePriorityGet( xTask )
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#endif
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#ifndef traceRETURN_uxTaskBasePriorityGet
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#define traceRETURN_uxTaskBasePriorityGet( uxReturn )
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#endif
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#ifndef traceENTER_uxTaskBasePriorityGetFromISR
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#define traceENTER_uxTaskBasePriorityGetFromISR( xTask )
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#endif
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#ifndef traceRETURN_uxTaskBasePriorityGetFromISR
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#define traceRETURN_uxTaskBasePriorityGetFromISR( uxReturn )
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#endif
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#ifndef traceENTER_vTaskPrioritySet
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#define traceENTER_vTaskPrioritySet( xTask, uxNewPriority )
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#endif

‎include/mpu_prototypes.h

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@@ -128,6 +128,8 @@ BaseType_t MPU_xTaskGetStaticBuffers( TaskHandle_t xTask,
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StackType_t ** ppuxStackBuffer,
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StaticTask_t ** ppxTaskBuffer ) PRIVILEGED_FUNCTION;
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UBaseType_t MPU_uxTaskPriorityGetFromISR( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
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UBaseType_t MPU_uxTaskBasePriorityGet( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
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UBaseType_t MPU_uxTaskBasePriorityGetFromISR( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
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BaseType_t MPU_xTaskResumeFromISR( TaskHandle_t xTaskToResume ) PRIVILEGED_FUNCTION;
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TaskHookFunction_t MPU_xTaskGetApplicationTaskTagFromISR( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
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BaseType_t MPU_xTaskGenericNotifyFromISR( TaskHandle_t xTaskToNotify,

‎include/mpu_wrappers.h

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@@ -99,6 +99,8 @@
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#define vTaskAllocateMPURegions MPU_vTaskAllocateMPURegions
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#define xTaskGetStaticBuffers MPU_xTaskGetStaticBuffers
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#define uxTaskPriorityGetFromISR MPU_uxTaskPriorityGetFromISR
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#define uxTaskBasePriorityGet MPU_uxTaskBasePriorityGet
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#define uxTaskBasePriorityGetFromISR MPU_uxTaskBasePriorityGetFromISR
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#define xTaskResumeFromISR MPU_xTaskResumeFromISR
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#define xTaskGetApplicationTaskTagFromISR MPU_xTaskGetApplicationTaskTagFromISR
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#define xTaskGenericNotifyFromISR MPU_xTaskGenericNotifyFromISR

‎include/task.h

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@@ -1021,6 +1021,37 @@ UBaseType_t uxTaskPriorityGet( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
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*/
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UBaseType_t uxTaskPriorityGetFromISR( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
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/**
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* task. h
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* @code{c}
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* UBaseType_t uxTaskBasePriorityGet( const TaskHandle_t xTask );
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* @endcode
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*
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* INCLUDE_uxTaskPriorityGet and configUSE_MUTEXES must be defined as 1 for this
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* function to be available. See the configuration section for more information.
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*
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* Obtain the base priority of any task.
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*
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* @param xTask Handle of the task to be queried. Passing a NULL
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* handle results in the base priority of the calling task being returned.
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*
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* @return The base priority of xTask.
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*
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* \defgroup uxTaskPriorityGet uxTaskBasePriorityGet
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* \ingroup TaskCtrl
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*/
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UBaseType_t uxTaskBasePriorityGet( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
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/**
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* task. h
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* @code{c}
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* UBaseType_t uxTaskBasePriorityGetFromISR( const TaskHandle_t xTask );
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* @endcode
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*
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* A version of uxTaskBasePriorityGet() that can be used from an ISR.
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*/
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UBaseType_t uxTaskBasePriorityGetFromISR( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
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/**
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* task. h
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* @code{c}

‎portable/Common/mpu_wrappers_v2.c

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#endif /* #if ( INCLUDE_uxTaskPriorityGet == 1 ) */
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/*-----------------------------------------------------------*/
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#if ( ( INCLUDE_uxTaskPriorityGet == 1 ) && ( configUSE_MUTEXES == 1 ) )
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UBaseType_t MPU_uxTaskBasePriorityGet( const TaskHandle_t xTask ) /* PRIVILEGED_FUNCTION */
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{
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UBaseType_t uxReturn = configMAX_PRIORITIES;
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int32_t lIndex;
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TaskHandle_t xInternalTaskHandle = NULL;
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if( xTask == NULL )
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{
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uxReturn = uxTaskBasePriorityGet( xTask );
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}
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else
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{
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lIndex = ( int32_t ) xTask;
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if( IS_EXTERNAL_INDEX_VALID( lIndex ) != pdFALSE )
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{
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xInternalTaskHandle = MPU_GetTaskHandleAtIndex( CONVERT_TO_INTERNAL_INDEX( lIndex ) );
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if( xInternalTaskHandle != NULL )
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{
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uxReturn = uxTaskBasePriorityGet( xInternalTaskHandle );
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}
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}
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}
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return uxReturn;
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}
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#endif /* #if ( ( INCLUDE_uxTaskPriorityGet == 1 ) && ( configUSE_MUTEXES == 1 ) ) */
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/*-----------------------------------------------------------*/
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#if ( ( INCLUDE_uxTaskPriorityGet == 1 ) && ( configUSE_MUTEXES == 1 ) )
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UBaseType_t MPU_uxTaskBasePriorityGetFromISR( const TaskHandle_t xTask ) /* PRIVILEGED_FUNCTION */
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{
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UBaseType_t uxReturn = configMAX_PRIORITIES;
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int32_t lIndex;
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TaskHandle_t xInternalTaskHandle = NULL;
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if( xTask == NULL )
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{
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uxReturn = uxTaskBasePriorityGetFromISR( xTask );
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}
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else
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{
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lIndex = ( int32_t ) xTask;
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if( IS_EXTERNAL_INDEX_VALID( lIndex ) != pdFALSE )
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{
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xInternalTaskHandle = MPU_GetTaskHandleAtIndex( CONVERT_TO_INTERNAL_INDEX( lIndex ) );
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if( xInternalTaskHandle != NULL )
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{
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uxReturn = uxTaskBasePriorityGetFromISR( xInternalTaskHandle );
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}
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}
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}
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return uxReturn;
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}
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#endif /* #if ( ( INCLUDE_uxTaskPriorityGet == 1 ) && ( configUSE_MUTEXES == 1 ) ) */
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/*-----------------------------------------------------------*/
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#if ( ( INCLUDE_xTaskResumeFromISR == 1 ) && ( INCLUDE_vTaskSuspend == 1 ) )
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BaseType_t MPU_xTaskResumeFromISR( TaskHandle_t xTaskToResume ) /* PRIVILEGED_FUNCTION */

‎tasks.c

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@@ -2669,6 +2669,77 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
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#endif /* INCLUDE_uxTaskPriorityGet */
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/*-----------------------------------------------------------*/
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#if ( ( INCLUDE_uxTaskPriorityGet == 1 ) && ( configUSE_MUTEXES == 1 ) )
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UBaseType_t uxTaskBasePriorityGet( const TaskHandle_t xTask )
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{
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TCB_t const * pxTCB;
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UBaseType_t uxReturn;
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traceENTER_uxTaskBasePriorityGet( xTask );
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taskENTER_CRITICAL();
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{
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/* If null is passed in here then it is the base priority of the task
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* that called uxTaskBasePriorityGet() that is being queried. */
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pxTCB = prvGetTCBFromHandle( xTask );
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uxReturn = pxTCB->uxBasePriority;
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}
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taskEXIT_CRITICAL();
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traceRETURN_uxTaskBasePriorityGet( uxReturn );
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return uxReturn;
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}
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#endif /* #if ( ( INCLUDE_uxTaskPriorityGet == 1 ) && ( configUSE_MUTEXES == 1 ) ) */
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/*-----------------------------------------------------------*/
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#if ( ( INCLUDE_uxTaskPriorityGet == 1 ) && ( configUSE_MUTEXES == 1 ) )
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UBaseType_t uxTaskBasePriorityGetFromISR( const TaskHandle_t xTask )
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{
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TCB_t const * pxTCB;
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UBaseType_t uxReturn;
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UBaseType_t uxSavedInterruptStatus;
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traceENTER_uxTaskBasePriorityGetFromISR( xTask );
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/* RTOS ports that support interrupt nesting have the concept of a
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* maximum system call (or maximum API call) interrupt priority.
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* Interrupts that are above the maximum system call priority are keep
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* permanently enabled, even when the RTOS kernel is in a critical section,
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* but cannot make any calls to FreeRTOS API functions. If configASSERT()
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* is defined in FreeRTOSConfig.h then
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* portASSERT_IF_INTERRUPT_PRIORITY_INVALID() will result in an assertion
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* failure if a FreeRTOS API function is called from an interrupt that has
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* been assigned a priority above the configured maximum system call
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* priority. Only FreeRTOS functions that end in FromISR can be called
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* from interrupts that have been assigned a priority at or (logically)
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* below the maximum system call interrupt priority. FreeRTOS maintains a
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* separate interrupt safe API to ensure interrupt entry is as fast and as
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* simple as possible. More information (albeit Cortex-M specific) is
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* provided on the following link:
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* https://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html */
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portASSERT_IF_INTERRUPT_PRIORITY_INVALID();
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uxSavedInterruptStatus = taskENTER_CRITICAL_FROM_ISR();
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{
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/* If null is passed in here then it is the base priority of the calling
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* task that is being queried. */
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pxTCB = prvGetTCBFromHandle( xTask );
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uxReturn = pxTCB->uxBasePriority;
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}
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taskEXIT_CRITICAL_FROM_ISR( uxSavedInterruptStatus );
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traceRETURN_uxTaskBasePriorityGetFromISR( uxReturn );
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return uxReturn;
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}
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#endif /* #if ( ( INCLUDE_uxTaskPriorityGet == 1 ) && ( configUSE_MUTEXES == 1 ) ) */
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/*-----------------------------------------------------------*/
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#if ( INCLUDE_vTaskPrioritySet == 1 )
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void vTaskPrioritySet( TaskHandle_t xTask,

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