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			5140 lines
		
	
	
		
			166 KiB
		
	
	
	
		
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			5140 lines
		
	
	
		
			166 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|     FreeRTOS V8.2.0 - Copyright (C) 2015 Real Time Engineers Ltd.
 | |
|     All rights reserved
 | |
| 
 | |
|     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
 | |
| 
 | |
|     This file is part of the FreeRTOS distribution.
 | |
| 
 | |
|     FreeRTOS is free software; you can redistribute it and/or modify it under
 | |
|     the terms of the GNU General Public License (version 2) as published by the
 | |
|     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
 | |
| 
 | |
| 	***************************************************************************
 | |
|     >>!   NOTE: The modification to the GPL is included to allow you to     !<<
 | |
|     >>!   distribute a combined work that includes FreeRTOS without being   !<<
 | |
|     >>!   obliged to provide the source code for proprietary components     !<<
 | |
|     >>!   outside of the FreeRTOS kernel.                                   !<<
 | |
| 	***************************************************************************
 | |
| 
 | |
|     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
 | |
|     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 | |
|     FOR A PARTICULAR PURPOSE.  Full license text is available on the following
 | |
|     link: http://www.freertos.org/a00114.html
 | |
| 
 | |
|     ***************************************************************************
 | |
|      *                                                                       *
 | |
|      *    FreeRTOS provides completely free yet professionally developed,    *
 | |
|      *    robust, strictly quality controlled, supported, and cross          *
 | |
|      *    platform software that is more than just the market leader, it     *
 | |
|      *    is the industry's de facto standard.                               *
 | |
|      *                                                                       *
 | |
|      *    Help yourself get started quickly while simultaneously helping     *
 | |
|      *    to support the FreeRTOS project by purchasing a FreeRTOS           *
 | |
|      *    tutorial book, reference manual, or both:                          *
 | |
|      *    http://www.FreeRTOS.org/Documentation                              *
 | |
|      *                                                                       *
 | |
|     ***************************************************************************
 | |
| 
 | |
|     http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading
 | |
| 	the FAQ page "My application does not run, what could be wrong?".  Have you
 | |
| 	defined configASSERT()?
 | |
| 
 | |
| 	http://www.FreeRTOS.org/support - In return for receiving this top quality
 | |
| 	embedded software for free we request you assist our global community by
 | |
| 	participating in the support forum.
 | |
| 
 | |
| 	http://www.FreeRTOS.org/training - Investing in training allows your team to
 | |
| 	be as productive as possible as early as possible.  Now you can receive
 | |
| 	FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
 | |
| 	Ltd, and the world's leading authority on the world's leading RTOS.
 | |
| 
 | |
|     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
 | |
|     including FreeRTOS+Trace - an indispensable productivity tool, a DOS
 | |
|     compatible FAT file system, and our tiny thread aware UDP/IP stack.
 | |
| 
 | |
|     http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
 | |
|     Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
 | |
| 
 | |
|     http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
 | |
|     Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS
 | |
|     licenses offer ticketed support, indemnification and commercial middleware.
 | |
| 
 | |
|     http://www.SafeRTOS.com - High Integrity Systems also provide a safety
 | |
|     engineered and independently SIL3 certified version for use in safety and
 | |
|     mission critical applications that require provable dependability.
 | |
| 
 | |
|     1 tab == 4 spaces!
 | |
| */
 | |
| 
 | |
| /* Standard includes. */
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| #include <stdlib.h>
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| #include <string.h>
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| #include "sdkconfig.h"
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| 
 | |
| /* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
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| all the API functions to use the MPU wrappers.  That should only be done when
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| task.h is included from an application file. */
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| #define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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| #include "esp_newlib.h"
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| #include "esp_compiler.h"
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| 
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| /* FreeRTOS includes. */
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| #include "FreeRTOS.h"
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| #include "task.h"
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| #include "timers.h"
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| #include "StackMacros.h"
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| #include "portmacro.h"
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| #include "portmacro_priv.h"
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| #include "semphr.h"
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| 
 | |
| /* Lint e961 and e750 are suppressed as a MISRA exception justified because the
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| MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined for the
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| header files above, but not in this file, in order to generate the correct
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| privileged Vs unprivileged linkage and placement. */
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| #undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750. */
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| 
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| /* Set configUSE_STATS_FORMATTING_FUNCTIONS to 2 to include the stats formatting
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| functions but without including stdio.h here. */
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| #if ( configUSE_STATS_FORMATTING_FUNCTIONS == 1 )
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| 	/* At the bottom of this file are two optional functions that can be used
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| 	to generate human readable text from the raw data generated by the
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| 	uxTaskGetSystemState() function.  Note the formatting functions are provided
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| 	for convenience only, and are NOT considered part of the kernel. */
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| 	#include <stdio.h>
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| #endif /* configUSE_STATS_FORMATTING_FUNCTIONS == 1 ) */
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| 
 | |
| /* Sanity check the configuration. */
 | |
| #if configUSE_TICKLESS_IDLE != 0
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| 	#if INCLUDE_vTaskSuspend != 1
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| 		#error INCLUDE_vTaskSuspend must be set to 1 if configUSE_TICKLESS_IDLE is not set to 0
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| 	#endif /* INCLUDE_vTaskSuspend */
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| #endif /* configUSE_TICKLESS_IDLE */
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| 
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| /*
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|  * Defines the size, in bytes, of the stack allocated to the idle task.
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|  */
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| #define tskIDLE_STACK_SIZE	configIDLE_TASK_STACK_SIZE
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| 
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| #if( configUSE_PREEMPTION == 0 )
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| 	/* If the cooperative scheduler is being used then a yield should not be
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| 	performed just because a higher priority task has been woken. */
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| 	#define taskYIELD_IF_USING_PREEMPTION()
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| #else
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| 	#define taskYIELD_IF_USING_PREEMPTION() portYIELD_WITHIN_API()
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| #endif
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| 
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| 
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| 
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| 
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| /* Value that can be assigned to the eNotifyState member of the TCB. */
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| typedef enum
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| {
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| 	eNotWaitingNotification = 0,
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| 	eWaitingNotification,
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| 	eNotified
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| } eNotifyValue;
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| 
 | |
| /* Sometimes the FreeRTOSConfig.h settings only allow a task to be created using
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| dynamically allocated RAM, in which case when any task is deleted it is known
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| that both the task's stack and TCB need to be freed.  Sometimes the
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| FreeRTOSConfig.h settings only allow a task to be created using statically
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| allocated RAM, in which case when any task is deleted it is known that neither
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| the task's stack or TCB should be freed.  Sometimes the FreeRTOSConfig.h
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| settings allow a task to be created using either statically or dynamically
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| allocated RAM, in which case a member of the TCB is used to record whether the
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| stack and/or TCB were allocated statically or dynamically, so when a task is
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| deleted the RAM that was allocated dynamically is freed again and no attempt is
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| made to free the RAM that was allocated statically.
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| tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE is only true if it is possible for a
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| task to be created using either statically or dynamically allocated RAM.  Note
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| that if portUSING_MPU_WRAPPERS is 1 then a protected task can be created with
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| a statically allocated stack and a dynamically allocated TCB. */
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| #define tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE ( ( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) || ( portUSING_MPU_WRAPPERS == 1 ) )
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| #define tskDYNAMICALLY_ALLOCATED_STACK_AND_TCB 		( ( uint8_t ) 0 )
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| #define tskSTATICALLY_ALLOCATED_STACK_ONLY 			( ( uint8_t ) 1 )
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| #define tskSTATICALLY_ALLOCATED_STACK_AND_TCB		( ( uint8_t ) 2 )
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| 
 | |
| /*
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|  * Task control block.  A task control block (TCB) is allocated for each task,
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|  * and stores task state information, including a pointer to the task's context
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|  * (the task's run time environment, including register values)
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|  */
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| typedef struct tskTaskControlBlock
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| {
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| 	volatile StackType_t	*pxTopOfStack;	/*< Points to the location of the last item placed on the tasks stack.  THIS MUST BE THE FIRST MEMBER OF THE TCB STRUCT. */
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| 
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| 	#if ( portUSING_MPU_WRAPPERS == 1 )
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| 		xMPU_SETTINGS	xMPUSettings;		/*< The MPU settings are defined as part of the port layer.  THIS MUST BE THE SECOND MEMBER OF THE TCB STRUCT. */
 | |
| 	#endif
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| 
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| 	ListItem_t			xGenericListItem;	/*< The list that the state list item of a task is reference from denotes the state of that task (Ready, Blocked, Suspended ). */
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| 	ListItem_t			xEventListItem;		/*< Used to reference a task from an event list. */
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| 	UBaseType_t			uxPriority;			/*< The priority of the task.  0 is the lowest priority. */
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| 	StackType_t			*pxStack;			/*< Points to the start of the stack. */
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| 	char				pcTaskName[ configMAX_TASK_NAME_LEN ];/*< Descriptive name given to the task when created.  Facilitates debugging only. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
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| 	BaseType_t			xCoreID;			/*< Core this task is pinned to */
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| 											/* If this moves around (other than pcTaskName size changes), please change the define in xtensa_vectors.S as well. */
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| 	#if ( portSTACK_GROWTH > 0 || configENABLE_TASK_SNAPSHOT == 1 )
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| 		StackType_t		*pxEndOfStack;		/*< Points to the end of the stack on architectures where the stack grows up from low memory. */
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| 	#endif
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| 
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| 	#if ( portCRITICAL_NESTING_IN_TCB == 1 )
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| 		UBaseType_t 	uxCriticalNesting; 	/*< Holds the critical section nesting depth for ports that do not maintain their own count in the port layer. */
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| 		uint32_t		uxOldInterruptState; /*< Interrupt state before the outer taskEnterCritical was called */
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| 	#endif
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| 
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| 	#if ( configUSE_TRACE_FACILITY == 1 )
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| 		UBaseType_t		uxTCBNumber;		/*< Stores a number that increments each time a TCB is created.  It allows debuggers to determine when a task has been deleted and then recreated. */
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| 		UBaseType_t  	uxTaskNumber;		/*< Stores a number specifically for use by third party trace code. */
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| 	#endif
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| 
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| 	#if ( configUSE_MUTEXES == 1 )
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| 		UBaseType_t 	uxBasePriority;		/*< The priority last assigned to the task - used by the priority inheritance mechanism. */
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| 		UBaseType_t 	uxMutexesHeld;
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| 	#endif
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| 
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| 	#if ( configUSE_APPLICATION_TASK_TAG == 1 )
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| 		TaskHookFunction_t pxTaskTag;
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| 	#endif
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| 
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| 	#if( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 )
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| 		void *pvThreadLocalStoragePointers[ configNUM_THREAD_LOCAL_STORAGE_POINTERS ];
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| 	#if ( configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS )
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| 		TlsDeleteCallbackFunction_t pvThreadLocalStoragePointersDelCallback[ configNUM_THREAD_LOCAL_STORAGE_POINTERS ];
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| 	#endif
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| 	#endif
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| 
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| 	#if ( configGENERATE_RUN_TIME_STATS == 1 )
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| 		uint32_t		ulRunTimeCounter;	/*< Stores the amount of time the task has spent in the Running state. */
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| 	#endif
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| 
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| 	#if ( configUSE_NEWLIB_REENTRANT == 1 )
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| 		/* Allocate a Newlib reent structure that is specific to this task.
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| 		Note Newlib support has been included by popular demand, but is not
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| 		used by the FreeRTOS maintainers themselves.  FreeRTOS is not
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| 		responsible for resulting newlib operation.  User must be familiar with
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| 		newlib and must provide system-wide implementations of the necessary
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| 		stubs. Be warned that (at the time of writing) the current newlib design
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| 		implements a system-wide malloc() that must be provided with locks. */
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| 		struct 	_reent xNewLib_reent;
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| 	#endif
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| 
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| 	#if ( configUSE_TASK_NOTIFICATIONS == 1 )
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| 		volatile uint32_t ulNotifiedValue;
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| 		volatile eNotifyValue eNotifyState;
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| 	#endif
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| 
 | |
| 	/* See the comments above the definition of
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| 	tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE. */
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| 	#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 )
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| 		uint8_t	ucStaticallyAllocated; 		/*< Set to pdTRUE if the task is a statically allocated to ensure no attempt is made to free the memory. */
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| 	#endif
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| 
 | |
| } tskTCB;
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| 
 | |
| /* The old tskTCB name is maintained above then typedefed to the new TCB_t name
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| below to enable the use of older kernel aware debuggers. */
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| typedef tskTCB TCB_t;
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| 
 | |
| #if __GNUC_PREREQ(4, 6)
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| _Static_assert(sizeof(StaticTask_t) == sizeof(TCB_t), "StaticTask_t != TCB_t");
 | |
| #endif
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| 
 | |
| /*
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|  * Some kernel aware debuggers require the data the debugger needs access to to
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|  * be global, rather than file scope.
 | |
|  */
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| #ifdef portREMOVE_STATIC_QUALIFIER
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| 	#define static
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| #endif
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| 
 | |
| /*lint -e956 A manual analysis and inspection has been used to determine which
 | |
| static variables must be declared volatile. */
 | |
| 
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| PRIVILEGED_DATA TCB_t * volatile pxCurrentTCB[ portNUM_PROCESSORS ] = { NULL };
 | |
| 
 | |
| /* Lists for ready and blocked tasks. --------------------*/
 | |
| PRIVILEGED_DATA static List_t pxReadyTasksLists[ configMAX_PRIORITIES ];/*< Prioritised ready tasks. */
 | |
| PRIVILEGED_DATA static List_t xDelayedTaskList1;						/*< Delayed tasks. */
 | |
| PRIVILEGED_DATA static List_t xDelayedTaskList2;						/*< Delayed tasks (two lists are used - one for delays that have overflowed the current tick count. */
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| PRIVILEGED_DATA static List_t * volatile pxDelayedTaskList;				/*< Points to the delayed task list currently being used. */
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| PRIVILEGED_DATA static List_t * volatile pxOverflowDelayedTaskList;		/*< Points to the delayed task list currently being used to hold tasks that have overflowed the current tick count. */
 | |
| PRIVILEGED_DATA static List_t xPendingReadyList[ portNUM_PROCESSORS ];						/*< Tasks that have been readied while the scheduler was suspended.  They will be moved to the ready list when the scheduler is resumed. */
 | |
| 
 | |
| #if ( INCLUDE_vTaskDelete == 1 )
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| 
 | |
| 	PRIVILEGED_DATA static List_t xTasksWaitingTermination;				/*< Tasks that have been deleted - but their memory not yet freed. Protected by xTaskQueueMutex.*/
 | |
| 	PRIVILEGED_DATA static volatile UBaseType_t uxTasksDeleted = ( UBaseType_t ) 0U;
 | |
| 
 | |
| #endif
 | |
| 
 | |
| #if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 
 | |
| 	PRIVILEGED_DATA static List_t xSuspendedTaskList;					/*< Tasks that are currently suspended. */
 | |
| 
 | |
| #endif
 | |
| 
 | |
| #if ( INCLUDE_xTaskGetIdleTaskHandle == 1 )
 | |
| 
 | |
| 	PRIVILEGED_DATA static TaskHandle_t xIdleTaskHandle[portNUM_PROCESSORS] = {NULL};			/*< Holds the handle of the idle task.  The idle task is created automatically when the scheduler is started. */
 | |
| 
 | |
| #endif
 | |
| 
 | |
| /* Other file private variables. --------------------------------*/
 | |
| PRIVILEGED_DATA static volatile UBaseType_t uxCurrentNumberOfTasks 	= ( UBaseType_t ) 0U;
 | |
| PRIVILEGED_DATA static volatile TickType_t xTickCount 				= ( TickType_t ) 0U;
 | |
| PRIVILEGED_DATA static volatile UBaseType_t uxTopReadyPriority 		= tskIDLE_PRIORITY;
 | |
| PRIVILEGED_DATA static volatile BaseType_t xSchedulerRunning 		= pdFALSE;
 | |
| PRIVILEGED_DATA static volatile UBaseType_t uxPendedTicks 			= ( UBaseType_t ) 0U;
 | |
| PRIVILEGED_DATA static volatile BaseType_t xYieldPending[portNUM_PROCESSORS] 		= {pdFALSE};
 | |
| PRIVILEGED_DATA static volatile BaseType_t xNumOfOverflows 			= ( BaseType_t ) 0;
 | |
| PRIVILEGED_DATA static UBaseType_t uxTaskNumber 					= ( UBaseType_t ) 0U;
 | |
| PRIVILEGED_DATA static volatile TickType_t xNextTaskUnblockTime		= portMAX_DELAY;
 | |
| 
 | |
| /* Context switches are held pending while the scheduler is suspended.  Also,
 | |
| interrupts must not manipulate the xGenericListItem of a TCB, or any of the
 | |
| lists the xGenericListItem can be referenced from, if the scheduler is suspended.
 | |
| If an interrupt needs to unblock a task while the scheduler is suspended then it
 | |
| moves the task's event list item into the xPendingReadyList, ready for the
 | |
| kernel to move the task from the pending ready list into the real ready list
 | |
| when the scheduler is unsuspended.  The pending ready list itself can only be
 | |
| accessed from a critical section. */
 | |
| PRIVILEGED_DATA static volatile UBaseType_t uxSchedulerSuspended[ portNUM_PROCESSORS ]	= { ( UBaseType_t ) pdFALSE };
 | |
| 
 | |
| /* We use just one spinlock for all the critical sections. */
 | |
| PRIVILEGED_DATA static portMUX_TYPE xTaskQueueMutex = portMUX_INITIALIZER_UNLOCKED;
 | |
| 
 | |
| #if ( configGENERATE_RUN_TIME_STATS == 1 )
 | |
| 
 | |
| 	PRIVILEGED_DATA static uint32_t ulTaskSwitchedInTime[portNUM_PROCESSORS] = {0U};	/*< Holds the value of a timer/counter the last time a task was switched in on a particular core. */
 | |
| 	PRIVILEGED_DATA static uint32_t ulTotalRunTime = 0UL;		/*< Holds the total amount of execution time as defined by the run time counter clock. */
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| // per-CPU flags indicating that we are doing context switch, it is used by apptrace and sysview modules
 | |
| // in order to avoid calls of vPortYield from traceTASK_SWITCHED_IN/OUT when waiting
 | |
| // for locks to be free or for host to read full trace buffer
 | |
| PRIVILEGED_DATA static volatile BaseType_t xSwitchingContext[ portNUM_PROCESSORS ]  = { pdFALSE };
 | |
| 
 | |
| /*lint +e956 */
 | |
| 
 | |
| /* Debugging and trace facilities private variables and macros. ------------*/
 | |
| 
 | |
| /*
 | |
|  * The value used to fill the stack of a task when the task is created.  This
 | |
|  * is used purely for checking the high water mark for tasks.
 | |
|  */
 | |
| #define tskSTACK_FILL_BYTE	( 0xa5U )
 | |
| 
 | |
| /*
 | |
|  * Macros used by vListTask to indicate which state a task is in.
 | |
|  */
 | |
| #define tskBLOCKED_CHAR		( 'B' )
 | |
| #define tskREADY_CHAR		( 'R' )
 | |
| #define tskDELETED_CHAR		( 'D' )
 | |
| #define tskSUSPENDED_CHAR	( 'S' )
 | |
| 
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| 
 | |
| #if ( configUSE_PORT_OPTIMISED_TASK_SELECTION == 0 )
 | |
| 
 | |
| 	/* If configUSE_PORT_OPTIMISED_TASK_SELECTION is 0 then task selection is
 | |
| 	performed in a generic way that is not optimised to any particular
 | |
| 	microcontroller architecture. */
 | |
| 
 | |
| 	/* uxTopReadyPriority holds the priority of the highest priority ready
 | |
| 	state task. */
 | |
| 	#define taskRECORD_READY_PRIORITY( uxPriority )														\
 | |
| 	{																									\
 | |
| 		if( ( uxPriority ) > uxTopReadyPriority )														\
 | |
| 		{																								\
 | |
| 			uxTopReadyPriority = ( uxPriority );														\
 | |
| 		}																								\
 | |
| 	} /* taskRECORD_READY_PRIORITY */
 | |
| 
 | |
| 	/*-----------------------------------------------------------*/
 | |
| 
 | |
| 	#define taskSELECT_HIGHEST_PRIORITY_TASK()															\
 | |
| 	{																									\
 | |
| 		/* Find the highest priority queue that contains ready tasks. */								\
 | |
| 		while( listLIST_IS_EMPTY( &( pxReadyTasksLists[ uxTopReadyPriority ] ) ) )						\
 | |
| 		{																								\
 | |
| 			configASSERT( uxTopReadyPriority );															\
 | |
| 			--uxTopReadyPriority;																		\
 | |
| 		}																								\
 | |
| 																										\
 | |
| 		/* listGET_OWNER_OF_NEXT_ENTRY indexes through the list, so the tasks of						\
 | |
| 		the	same priority get an equal share of the processor time. */									\
 | |
| 		listGET_OWNER_OF_NEXT_ENTRY( pxCurrentTCB[xPortGetCoreID()], &( pxReadyTasksLists[ uxTopReadyPriority ] ) );		\
 | |
| 	} /* taskSELECT_HIGHEST_PRIORITY_TASK */
 | |
| 
 | |
| 	/*-----------------------------------------------------------*/
 | |
| 
 | |
| 	/* Define away taskRESET_READY_PRIORITY() and portRESET_READY_PRIORITY() as
 | |
| 	they are only required when a port optimised method of task selection is
 | |
| 	being used. */
 | |
| 	#define taskRESET_READY_PRIORITY( uxPriority )
 | |
| 	#define portRESET_READY_PRIORITY( uxPriority, uxTopReadyPriority )
 | |
| 
 | |
| #else /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
 | |
| 
 | |
| 	/* If configUSE_PORT_OPTIMISED_TASK_SELECTION is 1 then task selection is
 | |
| 	performed in a way that is tailored to the particular microcontroller
 | |
| 	architecture being used. */
 | |
| 
 | |
| 	/* A port optimised version is provided.  Call the port defined macros. */
 | |
| 	#define taskRECORD_READY_PRIORITY( uxPriority )	portRECORD_READY_PRIORITY( uxPriority, uxTopReadyPriority )
 | |
| 
 | |
| 	/*-----------------------------------------------------------*/
 | |
| 
 | |
| 	#define taskSELECT_HIGHEST_PRIORITY_TASK()														\
 | |
| 	{																								\
 | |
| 	UBaseType_t uxTopPriority;																		\
 | |
| 																									\
 | |
| 		/* Find the highest priority queue that contains ready tasks. */							\
 | |
| 		portGET_HIGHEST_PRIORITY( uxTopPriority, uxTopReadyPriority );								\
 | |
| 		configASSERT( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ uxTopPriority ] ) ) > 0 );		\
 | |
| 		listGET_OWNER_OF_NEXT_ENTRY( pxCurrentTCB[xPortGetCoreID()], &( pxReadyTasksLists[ uxTopPriority ] ) );		\
 | |
| 	} /* taskSELECT_HIGHEST_PRIORITY_TASK() */
 | |
| 
 | |
| 	/*-----------------------------------------------------------*/
 | |
| 
 | |
| 	/* A port optimised version is provided, call it only if the TCB being reset
 | |
| 	is being referenced from a ready list.  If it is referenced from a delayed
 | |
| 	or suspended list then it won't be in a ready list. */
 | |
| 	#define taskRESET_READY_PRIORITY( uxPriority )														\
 | |
| 	{																									\
 | |
| 		if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ ( uxPriority ) ] ) ) == ( UBaseType_t ) 0 )	\
 | |
| 		{																								\
 | |
| 			portRESET_READY_PRIORITY( ( uxPriority ), ( uxTopReadyPriority ) );							\
 | |
| 		}																								\
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
 | |
| 
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| /* pxDelayedTaskList and pxOverflowDelayedTaskList are switched when the tick
 | |
| count overflows. */
 | |
| #define taskSWITCH_DELAYED_LISTS()																	\
 | |
| {																									\
 | |
| 	List_t *pxTemp;																					\
 | |
| 																									\
 | |
| 	/* The delayed tasks list should be empty when the lists are switched. */						\
 | |
| 	configASSERT( ( listLIST_IS_EMPTY( pxDelayedTaskList ) ) );										\
 | |
| 																									\
 | |
| 	pxTemp = pxDelayedTaskList;																		\
 | |
| 	pxDelayedTaskList = pxOverflowDelayedTaskList;													\
 | |
| 	pxOverflowDelayedTaskList = pxTemp;																\
 | |
| 	xNumOfOverflows++;																				\
 | |
| 	prvResetNextTaskUnblockTime();																	\
 | |
| }
 | |
| 
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| /*
 | |
|  * Place the task represented by pxTCB into the appropriate ready list for
 | |
|  * the task.  It is inserted at the end of the list.
 | |
|  */
 | |
| #define prvAddTaskToReadyList( pxTCB )																\
 | |
| 	traceMOVED_TASK_TO_READY_STATE( pxTCB );														\
 | |
| 	taskRECORD_READY_PRIORITY( ( pxTCB )->uxPriority );												\
 | |
| 	vListInsertEnd( &( pxReadyTasksLists[ ( pxTCB )->uxPriority ] ), &( ( pxTCB )->xGenericListItem ) )
 | |
| /*
 | |
|  * Place the task represented by pxTCB which has been in a ready list before
 | |
|  * into the appropriate ready list for the task.
 | |
|  * It is inserted at the end of the list.
 | |
|  */
 | |
| #define prvReaddTaskToReadyList( pxTCB )                                                               \
 | |
|    traceREADDED_TASK_TO_READY_STATE( pxTCB );                                                      \
 | |
|    taskRECORD_READY_PRIORITY( ( pxTCB )->uxPriority );                                             \
 | |
|    vListInsertEnd( &( pxReadyTasksLists[ ( pxTCB )->uxPriority ] ), &( ( pxTCB )->xGenericListItem ) )
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #define tskCAN_RUN_HERE( cpuid ) ( cpuid==xPortGetCoreID() || cpuid==tskNO_AFFINITY )
 | |
| 
 | |
| /*
 | |
|  * Several functions take an TaskHandle_t parameter that can optionally be NULL,
 | |
|  * where NULL is used to indicate that the handle of the currently executing
 | |
|  * task should be used in place of the parameter.  This macro simply checks to
 | |
|  * see if the parameter is NULL and returns a pointer to the appropriate TCB.
 | |
|  */
 | |
| /* ToDo: See if this still works for multicore. */
 | |
| #define prvGetTCBFromHandle( pxHandle ) ( ( ( pxHandle ) == NULL ) ? ( TCB_t * ) xTaskGetCurrentTaskHandle() : ( TCB_t * ) ( pxHandle ) )
 | |
| 
 | |
| /* The item value of the event list item is normally used to hold the priority
 | |
| of the task to which it belongs (coded to allow it to be held in reverse
 | |
| priority order).  However, it is occasionally borrowed for other purposes.  It
 | |
| is important its value is not updated due to a task priority change while it is
 | |
| being used for another purpose.  The following bit definition is used to inform
 | |
| the scheduler that the value should not be changed - in which case it is the
 | |
| responsibility of whichever module is using the value to ensure it gets set back
 | |
| to its original value when it is released. */
 | |
| #if configUSE_16_BIT_TICKS == 1
 | |
| 	#define taskEVENT_LIST_ITEM_VALUE_IN_USE	0x8000U
 | |
| #else
 | |
| 	#define taskEVENT_LIST_ITEM_VALUE_IN_USE	0x80000000UL
 | |
| #endif
 | |
| 
 | |
| /* Callback function prototypes. --------------------------*/
 | |
| #if configCHECK_FOR_STACK_OVERFLOW > 0
 | |
| 	extern void vApplicationStackOverflowHook( TaskHandle_t xTask, char *pcTaskName );
 | |
| #endif
 | |
| 
 | |
| #if configUSE_TICK_HOOK > 0
 | |
| 	extern void vApplicationTickHook( void );
 | |
| #endif
 | |
| 
 | |
| #if  portFIRST_TASK_HOOK
 | |
| 	extern void vPortFirstTaskHook(TaskFunction_t taskfn);
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /* File private functions. --------------------------------*/
 | |
| 
 | |
| /**
 | |
|  * Utility task that simply returns pdTRUE if the task referenced by xTask is
 | |
|  * currently in the Suspended state, or pdFALSE if the task referenced by xTask
 | |
|  * is in any other state.
 | |
|  *
 | |
|  * Caller must hold xTaskQueueMutex before calling this function.
 | |
|  */
 | |
| #if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 	static BaseType_t prvTaskIsTaskSuspended( const TaskHandle_t xTask ) PRIVILEGED_FUNCTION;
 | |
| #endif /* INCLUDE_vTaskSuspend */
 | |
| 
 | |
| /*
 | |
|  * Utility to ready all the lists used by the scheduler.  This is called
 | |
|  * automatically upon the creation of the first task.
 | |
|  */
 | |
| static void prvInitialiseTaskLists( void ) PRIVILEGED_FUNCTION;
 | |
| 
 | |
| /*
 | |
|  * The idle task, which as all tasks is implemented as a never ending loop.
 | |
|  * The idle task is automatically created and added to the ready lists upon
 | |
|  * creation of the first user task.
 | |
|  *
 | |
|  * The portTASK_FUNCTION_PROTO() macro is used to allow port/compiler specific
 | |
|  * language extensions.  The equivalent prototype for this function is:
 | |
|  *
 | |
|  * void prvIdleTask( void *pvParameters );
 | |
|  *
 | |
|  */
 | |
| static portTASK_FUNCTION_PROTO( prvIdleTask, pvParameters );
 | |
| 
 | |
| /*
 | |
|  * Utility to free all memory allocated by the scheduler to hold a TCB,
 | |
|  * including the stack pointed to by the TCB.
 | |
|  *
 | |
|  * This does not free memory allocated by the task itself (i.e. memory
 | |
|  * allocated by calls to pvPortMalloc from within the tasks application code).
 | |
|  */
 | |
| #if ( INCLUDE_vTaskDelete == 1 )
 | |
| 
 | |
| 	static void prvDeleteTCB( TCB_t *pxTCB ) PRIVILEGED_FUNCTION;
 | |
| 
 | |
| #endif
 | |
| 
 | |
| //Function to call the Thread Local Storage Pointer Deletion Callbacks. Will be
 | |
| //called during task deletion before prvDeleteTCB is called.
 | |
| #if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 ) && ( configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS )
 | |
| 	static void prvDeleteTLS( TCB_t *pxTCB );
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * Used only by the idle task.  This checks to see if anything has been placed
 | |
|  * in the list of tasks waiting to be deleted.  If so the task is cleaned up
 | |
|  * and its TCB deleted.
 | |
|  */
 | |
| static void prvCheckTasksWaitingTermination( void ) PRIVILEGED_FUNCTION;
 | |
| 
 | |
| /*
 | |
|  * The currently executing task is entering the Blocked state.  Add the task to
 | |
|  * either the current or the overflow delayed task list.
 | |
|  */
 | |
| static void prvAddCurrentTaskToDelayedList( const portBASE_TYPE xCoreID, const TickType_t xTimeToWake ) PRIVILEGED_FUNCTION;
 | |
| 
 | |
| /*
 | |
|  * Fills an TaskStatus_t structure with information on each task that is
 | |
|  * referenced from the pxList list (which may be a ready list, a delayed list,
 | |
|  * a suspended list, etc.).
 | |
|  *
 | |
|  * THIS FUNCTION IS INTENDED FOR DEBUGGING ONLY, AND SHOULD NOT BE CALLED FROM
 | |
|  * NORMAL APPLICATION CODE.
 | |
|  */
 | |
| #if ( configUSE_TRACE_FACILITY == 1 )
 | |
| 
 | |
| 	static UBaseType_t prvListTaskWithinSingleList( TaskStatus_t *pxTaskStatusArray, List_t *pxList, eTaskState eState ) PRIVILEGED_FUNCTION;
 | |
| 
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * When a task is created, the stack of the task is filled with a known value.
 | |
|  * This function determines the 'high water mark' of the task stack by
 | |
|  * determining how much of the stack remains at the original preset value.
 | |
|  */
 | |
| #if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
 | |
| 
 | |
| 	static uint32_t prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte ) PRIVILEGED_FUNCTION;
 | |
| 
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * Return the amount of time, in ticks, that will pass before the kernel will
 | |
|  * next move a task from the Blocked state to the Running state.
 | |
|  *
 | |
|  * This conditional compilation should use inequality to 0, not equality to 1.
 | |
|  * This is to ensure portSUPPRESS_TICKS_AND_SLEEP() can be called when user
 | |
|  * defined low power mode implementations require configUSE_TICKLESS_IDLE to be
 | |
|  * set to a value other than 1.
 | |
|  */
 | |
| #if ( configUSE_TICKLESS_IDLE != 0 )
 | |
| 
 | |
| 	static TickType_t prvGetExpectedIdleTime( void ) PRIVILEGED_FUNCTION;
 | |
| 
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * Set xNextTaskUnblockTime to the time at which the next Blocked state task
 | |
|  * will exit the Blocked state.
 | |
|  */
 | |
| static void prvResetNextTaskUnblockTime( void );
 | |
| 
 | |
| #if ( ( configUSE_TRACE_FACILITY == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) )
 | |
| 
 | |
| 	/*
 | |
| 	 * Helper function used to pad task names with spaces when printing out
 | |
| 	 * human readable tables of task information.
 | |
| 	 */
 | |
| 	static char *prvWriteNameToBuffer( char *pcBuffer, const char *pcTaskName );
 | |
| 
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * Called after a Task_t structure has been allocated either statically or
 | |
|  * dynamically to fill in the structure's members.
 | |
|  */
 | |
| static void prvInitialiseNewTask( 	TaskFunction_t pxTaskCode,
 | |
| 									const char * const pcName,
 | |
| 									const uint32_t ulStackDepth,
 | |
| 									void * const pvParameters,
 | |
| 									UBaseType_t uxPriority,
 | |
| 									TaskHandle_t * const pxCreatedTask,
 | |
| 									TCB_t *pxNewTCB,
 | |
| 									const MemoryRegion_t * const xRegions, const BaseType_t xCoreID) PRIVILEGED_FUNCTION; /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 | |
| 
 | |
| /*
 | |
|  * Called after a new task has been created and initialised to place the task
 | |
|  * under the control of the scheduler.
 | |
|  */
 | |
| static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB, TaskFunction_t pxTaskCode, const BaseType_t xCoreID ) PRIVILEGED_FUNCTION;
 | |
| 
 | |
| 
 | |
| 
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| /*
 | |
|  * This routine tries to send an interrupt to another core if needed to make it execute a task
 | |
|  * of higher priority. We try to figure out if needed first by inspecting the pxTCB of the
 | |
|  * other CPU first. Specifically for Xtensa, we can do this because pxTCB is an atomic pointer. It
 | |
|  * is possible that it is inaccurate because the other CPU just did a task switch, but in that case
 | |
|  * at most a superfluous interrupt is generated.
 | |
| */
 | |
| void taskYIELD_OTHER_CORE( BaseType_t xCoreID, UBaseType_t uxPriority )
 | |
| {
 | |
| 	TCB_t *curTCB;
 | |
| 	BaseType_t i;
 | |
| 
 | |
| 	if (xCoreID != tskNO_AFFINITY) {
 | |
| 		curTCB = pxCurrentTCB[xCoreID];
 | |
| 		if ( curTCB->uxPriority < uxPriority ) {	// NOLINT(clang-analyzer-core.NullDereference) IDF-685
 | |
| 			vPortYieldOtherCore( xCoreID );
 | |
| 		}
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		/* The task has no affinity. See if we can find a CPU to put it on.*/
 | |
| 		for (i=0; i<portNUM_PROCESSORS; i++) {
 | |
| 			if (i != xPortGetCoreID() && pxCurrentTCB[ i ]->uxPriority < uxPriority)
 | |
| 			{
 | |
| 				vPortYieldOtherCore( i );
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| #if( configSUPPORT_STATIC_ALLOCATION == 1 )
 | |
| 
 | |
| 	TaskHandle_t xTaskCreateStaticPinnedToCore(	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,
 | |
|                                     const BaseType_t xCoreID )
 | |
| 	{
 | |
| 	TCB_t *pxNewTCB;
 | |
| 	TaskHandle_t xReturn;
 | |
| 
 | |
| 		configASSERT( portVALID_TCB_MEM(pxTaskBuffer) );
 | |
| 		configASSERT( portVALID_STACK_MEM(puxStackBuffer) );
 | |
| 		configASSERT( (xCoreID>=0 && xCoreID<portNUM_PROCESSORS) || (xCoreID==tskNO_AFFINITY) );
 | |
| 
 | |
| 		if( ( pxTaskBuffer != NULL ) && ( puxStackBuffer != NULL ) )
 | |
| 		{
 | |
| 			/* The memory used for the task's TCB and stack are passed into this
 | |
| 			function - use them. */
 | |
| 			pxNewTCB = ( 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. */
 | |
| 			pxNewTCB->pxStack = ( StackType_t * ) puxStackBuffer;
 | |
| 
 | |
| 			#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 )
 | |
| 			{
 | |
| 				/* Tasks can be created statically or dynamically, so note this
 | |
| 				task was created statically in case the task is later deleted. */
 | |
| 				pxNewTCB->ucStaticallyAllocated = tskSTATICALLY_ALLOCATED_STACK_AND_TCB;
 | |
| 			}
 | |
| 			#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
 | |
| 
 | |
| 			prvInitialiseNewTask( pxTaskCode, pcName, ulStackDepth, pvParameters, uxPriority, &xReturn, pxNewTCB, NULL, xCoreID );
 | |
| 			prvAddNewTaskToReadyList( pxNewTCB, pxTaskCode, xCoreID );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xReturn = NULL;
 | |
| 		}
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* SUPPORT_STATIC_ALLOCATION */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if( portUSING_MPU_WRAPPERS == 1 )
 | |
| 
 | |
| 	BaseType_t xTaskCreateRestricted( const TaskParameters_t * const pxTaskDefinition, TaskHandle_t *pxCreatedTask )
 | |
| 	{
 | |
| 	TCB_t *pxNewTCB;
 | |
| 	BaseType_t xReturn = errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY;
 | |
| 
 | |
| 		configASSERT( pxTaskDefinition->puxStackBuffer );
 | |
| 
 | |
| 		if( pxTaskDefinition->puxStackBuffer != NULL )
 | |
| 		{
 | |
| 			/* Allocate space for the TCB.  Where the memory comes from depends
 | |
| 			on the implementation of the port malloc function and whether or
 | |
| 			not static allocation is being used. */
 | |
| 			pxNewTCB = ( TCB_t * ) pvPortMallocTcbMem( sizeof( TCB_t ) );
 | |
| 
 | |
| 			if( pxNewTCB != NULL )
 | |
| 			{
 | |
| 				/* Store the stack location in the TCB. */
 | |
| 				pxNewTCB->pxStack = pxTaskDefinition->puxStackBuffer;
 | |
| 
 | |
| 				/* Tasks can be created statically or dynamically, so note
 | |
| 				this task had a statically allocated stack in case it is
 | |
| 				later deleted.  The TCB was allocated dynamically. */
 | |
| 				pxNewTCB->ucStaticallyAllocated = tskSTATICALLY_ALLOCATED_STACK_ONLY;
 | |
| 
 | |
| 				prvInitialiseNewTask(	pxTaskDefinition->pvTaskCode,
 | |
| 										pxTaskDefinition->pcName,
 | |
| 										pxTaskDefinition->usStackDepth,
 | |
| 										pxTaskDefinition->pvParameters,
 | |
| 										pxTaskDefinition->uxPriority,
 | |
| 										pxCreatedTask, pxNewTCB,
 | |
| 										pxTaskDefinition->xRegions,
 | |
| 										tskNO_AFFINITY );
 | |
| 
 | |
| 				prvAddNewTaskToReadyList( pxNewTCB, pxTaskDefinition->pvTaskCode, tskNO_AFFINITY );
 | |
| 				xReturn = pdPASS;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* portUSING_MPU_WRAPPERS */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 )
 | |
| 
 | |
| 	BaseType_t xTaskCreatePinnedToCore(	TaskFunction_t pxTaskCode,
 | |
| 							const char * const pcName,
 | |
| 							const uint32_t usStackDepth,
 | |
| 							void * const pvParameters,
 | |
| 							UBaseType_t uxPriority,
 | |
| 							TaskHandle_t * const pxCreatedTask,
 | |
|                             const BaseType_t xCoreID )
 | |
| 	{
 | |
| 	TCB_t *pxNewTCB;
 | |
| 	BaseType_t xReturn;
 | |
| 
 | |
| 		/* If the stack grows down then allocate the stack then the TCB so the stack
 | |
| 		does not grow into the TCB.  Likewise if the stack grows up then allocate
 | |
| 		the TCB then the stack. */
 | |
| 		#if( portSTACK_GROWTH > 0 )
 | |
| 		{
 | |
| 			/* Allocate space for the TCB.  Where the memory comes from depends on
 | |
| 			the implementation of the port malloc function and whether or not static
 | |
| 			allocation is being used. */
 | |
| 			pxNewTCB = ( TCB_t * ) pvPortMallocTcbMem( sizeof( TCB_t ) );
 | |
| 
 | |
| 			if( pxNewTCB != NULL )
 | |
| 			{
 | |
| 				/* Allocate space for the stack used by the task being created.
 | |
| 				The base of the stack memory stored in the TCB so the task can
 | |
| 				be deleted later if required. */
 | |
| 				pxNewTCB->pxStack = ( StackType_t * ) pvPortMallocStackMem( ( ( ( size_t ) usStackDepth ) * sizeof( StackType_t ) ) ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
| 
 | |
| 				if( pxNewTCB->pxStack == NULL )
 | |
| 				{
 | |
| 					/* Could not allocate the stack.  Delete the allocated TCB. */
 | |
| 					vPortFree( pxNewTCB );
 | |
| 					pxNewTCB = NULL;
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		#else /* portSTACK_GROWTH */
 | |
| 		{
 | |
| 		StackType_t *pxStack;
 | |
| 
 | |
| 			/* Allocate space for the stack used by the task being created. */
 | |
| 			pxStack = ( StackType_t * ) pvPortMallocStackMem( ( ( ( size_t ) usStackDepth ) * sizeof( StackType_t ) ) ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
| 
 | |
| 			if( pxStack != NULL )
 | |
| 			{
 | |
| 				/* Allocate space for the TCB. */
 | |
| 				pxNewTCB = ( TCB_t * ) pvPortMallocTcbMem( sizeof( TCB_t ) ); /*lint !e961 MISRA exception as the casts are only redundant for some paths. */
 | |
| 
 | |
| 				if( pxNewTCB != NULL )
 | |
| 				{
 | |
| 					/* Store the stack location in the TCB. */
 | |
| 					pxNewTCB->pxStack = pxStack;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					/* The stack cannot be used as the TCB was not created.  Free
 | |
| 					it again. */
 | |
| 					vPortFree( pxStack );
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				pxNewTCB = NULL;
 | |
| 			}
 | |
| 		}
 | |
| 		#endif /* portSTACK_GROWTH */
 | |
| 
 | |
| 		if( pxNewTCB != NULL )
 | |
| 		{
 | |
| 			#if( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 )
 | |
| 			{
 | |
| 				/* Tasks can be created statically or dynamically, so note this
 | |
| 				task was created dynamically in case it is later deleted. */
 | |
| 				pxNewTCB->ucStaticallyAllocated = tskDYNAMICALLY_ALLOCATED_STACK_AND_TCB;
 | |
| 			}
 | |
| 			#endif /* configSUPPORT_STATIC_ALLOCATION */
 | |
| 
 | |
| 			prvInitialiseNewTask( pxTaskCode, pcName, usStackDepth, pvParameters, uxPriority, pxCreatedTask, pxNewTCB, NULL, xCoreID );
 | |
| 			prvAddNewTaskToReadyList( pxNewTCB, pxTaskCode, xCoreID );
 | |
| 			xReturn = pdPASS;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xReturn = errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY;
 | |
| 		}
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configSUPPORT_DYNAMIC_ALLOCATION */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| static void prvInitialiseNewTask( 	TaskFunction_t pxTaskCode,
 | |
| 									const char * const pcName,
 | |
| 									const uint32_t ulStackDepth,
 | |
| 									void * const pvParameters,
 | |
| 									UBaseType_t uxPriority,
 | |
| 									TaskHandle_t * const pxCreatedTask,
 | |
| 									TCB_t *pxNewTCB,
 | |
| 									const MemoryRegion_t * const xRegions, const BaseType_t xCoreID ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 | |
| {
 | |
| StackType_t *pxTopOfStack;
 | |
| UBaseType_t x;
 | |
| 
 | |
| 	#if( portUSING_MPU_WRAPPERS == 1 )
 | |
| 		/* Should the task be created in privileged mode? */
 | |
| 		BaseType_t xRunPrivileged;
 | |
| 		if( ( uxPriority & portPRIVILEGE_BIT ) != 0U )
 | |
| 		{
 | |
| 			xRunPrivileged = pdTRUE;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xRunPrivileged = pdFALSE;
 | |
| 		}
 | |
| 		uxPriority &= ~portPRIVILEGE_BIT;
 | |
| 	#endif /* portUSING_MPU_WRAPPERS == 1 */
 | |
| 
 | |
| 	/* Avoid dependency on memset() if it is not required. */
 | |
| 	#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
 | |
| 	{
 | |
| 		/* Fill the stack with a known value to assist debugging. */
 | |
| 		( void ) memset( pxNewTCB->pxStack, ( int ) tskSTACK_FILL_BYTE, ( size_t ) ulStackDepth * sizeof( StackType_t ) );
 | |
| 	}
 | |
| 	#endif /* ( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) ) ) */
 | |
| 
 | |
| 	/* Calculate the top of stack address.  This depends on whether the stack
 | |
| 	grows from high memory to low (as per the 80x86) or vice versa.
 | |
| 	portSTACK_GROWTH is used to make the result positive or negative as required
 | |
| 	by the port. */
 | |
| 	#if( portSTACK_GROWTH < 0 )
 | |
| 	{
 | |
| 		pxTopOfStack = pxNewTCB->pxStack + ( ulStackDepth - ( uint32_t ) 1 );
 | |
| 		pxTopOfStack = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) ); /*lint !e923 MISRA exception.  Avoiding casts between pointers and integers is not practical.  Size differences accounted for using portPOINTER_SIZE_TYPE type. */
 | |
| 
 | |
| 		/* Check the alignment of the calculated top of stack is correct. */
 | |
| 		configASSERT( ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack & ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) == 0UL ) );
 | |
| 		#if ( configENABLE_TASK_SNAPSHOT == 1 )
 | |
| 		{
 | |
| 			/* need stack end for core dumps */
 | |
| 			pxNewTCB->pxEndOfStack = pxTopOfStack;
 | |
| 		}
 | |
| #endif
 | |
| 	}
 | |
| 	#else /* portSTACK_GROWTH */
 | |
| 	{
 | |
| 		pxTopOfStack = pxNewTCB->pxStack;
 | |
| 
 | |
| 		/* Check the alignment of the stack buffer is correct. */
 | |
| 		configASSERT( ( ( ( portPOINTER_SIZE_TYPE ) pxNewTCB->pxStack & ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) == 0UL ) );
 | |
| 
 | |
| 		/* The other extreme of the stack space is required if stack checking is
 | |
| 		performed. */
 | |
| 		pxNewTCB->pxEndOfStack = pxNewTCB->pxStack + ( ulStackDepth - ( uint32_t ) 1 );
 | |
| 	}
 | |
| 	#endif /* portSTACK_GROWTH */
 | |
| 
 | |
| 	/* Store the task name in the TCB. */
 | |
| 	for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ )
 | |
| 	{
 | |
| 		pxNewTCB->pcTaskName[ x ] = pcName[ x ];
 | |
| 
 | |
| 		/* Don't copy all configMAX_TASK_NAME_LEN if the string is shorter than
 | |
| 		configMAX_TASK_NAME_LEN characters just in case the memory after the
 | |
| 		string is not accessible (extremely unlikely). */
 | |
| 		if( pcName[ x ] == 0x00 )
 | |
| 		{
 | |
| 			break;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* Ensure the name string is terminated in the case that the string length
 | |
| 	was greater or equal to configMAX_TASK_NAME_LEN. */
 | |
| 	pxNewTCB->pcTaskName[ configMAX_TASK_NAME_LEN - 1 ] = '\0';
 | |
| 
 | |
| 	/* This is used as an array index so must ensure it's not too large.  First
 | |
| 	remove the privilege bit if one is present. */
 | |
| 	if( uxPriority >= ( UBaseType_t ) configMAX_PRIORITIES )
 | |
| 	{
 | |
| 		uxPriority = ( UBaseType_t ) configMAX_PRIORITIES - ( UBaseType_t ) 1U;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		mtCOVERAGE_TEST_MARKER();
 | |
| 	}
 | |
| 
 | |
| 	pxNewTCB->uxPriority = uxPriority;
 | |
| 	pxNewTCB->xCoreID = xCoreID;
 | |
| 	#if ( configUSE_MUTEXES == 1 )
 | |
| 	{
 | |
| 		pxNewTCB->uxBasePriority = uxPriority;
 | |
| 		pxNewTCB->uxMutexesHeld = 0;
 | |
| 	}
 | |
| 	#endif /* configUSE_MUTEXES */
 | |
| 
 | |
| 	vListInitialiseItem( &( pxNewTCB->xGenericListItem ) );
 | |
| 	vListInitialiseItem( &( pxNewTCB->xEventListItem ) );
 | |
| 
 | |
| 	/* Set the pxNewTCB as a link back from the ListItem_t.  This is so we can get
 | |
| 	back to	the containing TCB from a generic item in a list. */
 | |
| 	listSET_LIST_ITEM_OWNER( &( pxNewTCB->xGenericListItem ), pxNewTCB );
 | |
| 
 | |
| 	/* Event lists are always in priority order. */
 | |
| 	listSET_LIST_ITEM_VALUE( &( pxNewTCB->xEventListItem ), ( TickType_t ) configMAX_PRIORITIES - ( TickType_t ) uxPriority ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
| 	listSET_LIST_ITEM_OWNER( &( pxNewTCB->xEventListItem ), pxNewTCB );
 | |
| 
 | |
| 	#if ( portCRITICAL_NESTING_IN_TCB == 1 )
 | |
| 	{
 | |
| 		pxNewTCB->uxCriticalNesting = ( UBaseType_t ) 0U;
 | |
| 	}
 | |
| 	#endif /* portCRITICAL_NESTING_IN_TCB */
 | |
| 
 | |
| 	#if ( configUSE_APPLICATION_TASK_TAG == 1 )
 | |
| 	{
 | |
| 		pxNewTCB->pxTaskTag = NULL;
 | |
| 	}
 | |
| 	#endif /* configUSE_APPLICATION_TASK_TAG */
 | |
| 
 | |
| 	#if ( configGENERATE_RUN_TIME_STATS == 1 )
 | |
| 	{
 | |
| 		pxNewTCB->ulRunTimeCounter = 0UL;
 | |
| 	}
 | |
| 	#endif /* configGENERATE_RUN_TIME_STATS */
 | |
| 
 | |
| 	#if ( portUSING_MPU_WRAPPERS == 1 )
 | |
| 	{
 | |
| 		vPortStoreTaskMPUSettings( &( pxNewTCB->xMPUSettings ), xRegions, pxNewTCB->pxStack, ulStackDepth );
 | |
| 	}
 | |
| 	#else
 | |
| 	{
 | |
| 		/* Avoid compiler warning about unreferenced parameter. */
 | |
| 		( void ) xRegions;
 | |
| 	}
 | |
| 	#endif
 | |
| 
 | |
| 	#if( configNUM_THREAD_LOCAL_STORAGE_POINTERS != 0 )
 | |
| 	{
 | |
| 		for( x = 0; x < ( UBaseType_t ) configNUM_THREAD_LOCAL_STORAGE_POINTERS; x++ )
 | |
| 		{
 | |
| 			pxNewTCB->pvThreadLocalStoragePointers[ x ] = NULL;
 | |
| 			#if ( configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS == 1)
 | |
| 			pxNewTCB->pvThreadLocalStoragePointersDelCallback[ x ] = NULL;
 | |
| 			#endif
 | |
| 		}
 | |
| 	}
 | |
| 	#endif
 | |
| 
 | |
| 	#if ( configUSE_TASK_NOTIFICATIONS == 1 )
 | |
| 	{
 | |
| 		pxNewTCB->ulNotifiedValue = 0;
 | |
| 		pxNewTCB->eNotifyState = eNotWaitingNotification;
 | |
| 	}
 | |
| 	#endif
 | |
| 
 | |
| 	#if ( configUSE_NEWLIB_REENTRANT == 1 )
 | |
| 	{
 | |
| 		/* Initialise this task's Newlib reent structure. */
 | |
| 		esp_reent_init(&pxNewTCB->xNewLib_reent);
 | |
| 	}
 | |
| 	#endif
 | |
| 
 | |
| 	#if( INCLUDE_xTaskAbortDelay == 1 )
 | |
| 	{
 | |
| 		pxNewTCB->ucDelayAborted = pdFALSE;
 | |
| 	}
 | |
| 	#endif
 | |
| 
 | |
| 	/* Initialize the TCB stack to look as if the task was already running,
 | |
| 	but had been interrupted by the scheduler.  The return address is set
 | |
| 	to the start of the task function. Once the stack has been initialised
 | |
| 	the	top of stack variable is updated. */
 | |
| 	#if( portUSING_MPU_WRAPPERS == 1 )
 | |
| 	{
 | |
| 		pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters, xRunPrivileged );
 | |
| 	}
 | |
| 	#else /* portUSING_MPU_WRAPPERS */
 | |
| 	{
 | |
| 		pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters );
 | |
| 	}
 | |
| 	#endif /* portUSING_MPU_WRAPPERS */
 | |
| 
 | |
| 	if( ( void * ) pxCreatedTask != NULL )
 | |
| 	{
 | |
| 		/* Pass the handle out in an anonymous way.  The handle can be used to
 | |
| 		change the created task's priority, delete the created task, etc.*/
 | |
| 		*pxCreatedTask = ( TaskHandle_t ) pxNewTCB;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		mtCOVERAGE_TEST_MARKER();
 | |
| 	}
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB, TaskFunction_t pxTaskCode, BaseType_t xCoreID )
 | |
| {
 | |
| 	TCB_t *curTCB, *tcb0, *tcb1;
 | |
| 
 | |
| 	/* Assure that xCoreID is valid or we'll have an out-of-bounds on pxCurrentTCB
 | |
| 	   You will assert here if e.g. you only have one CPU enabled in menuconfig and
 | |
| 	   are trying to start a task on core 1. */
 | |
| 	configASSERT( xCoreID == tskNO_AFFINITY || xCoreID < portNUM_PROCESSORS);
 | |
| 
 | |
|     /* Ensure interrupts don't access the task lists while the lists are being
 | |
| 	updated. */
 | |
| 	taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 	{
 | |
| 		uxCurrentNumberOfTasks++;
 | |
| 
 | |
| 		// Determine which core this task starts on
 | |
| 		if ( xCoreID == tskNO_AFFINITY )
 | |
| 		{
 | |
| 			if ( portNUM_PROCESSORS == 1 )
 | |
| 			{
 | |
| 				xCoreID = 0;
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				// if the task has no affinity, put it on either core if nothing is currently scheduled there. Failing that,
 | |
| 				// put it on the core where it will preempt the lowest priority running task. If neither of these are true,
 | |
| 				// queue it on the currently running core.
 | |
| 				tcb0 = pxCurrentTCB[0];
 | |
| 				tcb1 = pxCurrentTCB[1];
 | |
| 				if ( tcb0 == NULL )
 | |
| 				{
 | |
| 					xCoreID = 0;
 | |
| 				}
 | |
| 				else if ( tcb1 == NULL )
 | |
| 				{
 | |
| 					xCoreID = 1;
 | |
| 				}
 | |
| 				else if ( tcb0->uxPriority < pxNewTCB->uxPriority && tcb0->uxPriority < tcb1->uxPriority )
 | |
| 				{
 | |
| 					xCoreID = 0;
 | |
| 				}
 | |
| 				else if ( tcb1->uxPriority < pxNewTCB->uxPriority )
 | |
| 				{
 | |
| 					xCoreID = 1;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					xCoreID = xPortGetCoreID(); // Both CPU have higher priority tasks running on them, so this won't run yet
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
|         // If nothing is running on this core, put the new task there now
 | |
| 		if( pxCurrentTCB[ xCoreID ] == NULL )
 | |
| 		{
 | |
| 			/* There are no other tasks, or all the other tasks are in
 | |
| 			the suspended state - make this the current task. */
 | |
| 			pxCurrentTCB[ xCoreID ] = pxNewTCB;
 | |
| 
 | |
| 			if( uxCurrentNumberOfTasks == ( UBaseType_t ) 1 )
 | |
| 			{
 | |
| #if portFIRST_TASK_HOOK
 | |
| 				if ( xPortGetCoreID() == 0 ) {
 | |
| 					vPortFirstTaskHook(pxTaskCode);
 | |
| 				}
 | |
| #endif /* configFIRST_TASK_HOOK */
 | |
| 				/* This is the first task to be created so do the preliminary
 | |
| 				initialisation required.  We will not recover if this call
 | |
| 				fails, but we will report the failure. */
 | |
| 				prvInitialiseTaskLists();
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			/* If the scheduler is not already running, make this task the
 | |
| 			current task if it is the highest priority task to be created
 | |
| 			so far. */
 | |
| 			if( xSchedulerRunning == pdFALSE )
 | |
| 			{
 | |
| 				/* Scheduler isn't running yet. We need to determine on which CPU to run this task.
 | |
| 				   Schedule now if either nothing is scheduled yet or we can replace a task of lower prio. */
 | |
| 				if ( pxCurrentTCB[xCoreID] == NULL || pxCurrentTCB[xCoreID]->uxPriority <= pxNewTCB->uxPriority )
 | |
| 				{
 | |
| 					pxCurrentTCB[xCoreID] = pxNewTCB;
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		uxTaskNumber++;
 | |
| 
 | |
| 		#if ( configUSE_TRACE_FACILITY == 1 )
 | |
| 		{
 | |
| 			/* Add a counter into the TCB for tracing only. */
 | |
| 			pxNewTCB->uxTCBNumber = uxTaskNumber;
 | |
| 		}
 | |
| 		#endif /* configUSE_TRACE_FACILITY */
 | |
| 		traceTASK_CREATE( pxNewTCB );
 | |
| 
 | |
| 		prvAddTaskToReadyList( pxNewTCB );
 | |
| 
 | |
| 		portSETUP_TCB( pxNewTCB );
 | |
| 	}
 | |
| 
 | |
| 	taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 	if( xSchedulerRunning != pdFALSE )
 | |
| 	{
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		curTCB = pxCurrentTCB[ xCoreID ];
 | |
| 		/* Scheduler is running. If the created task is of a higher priority than an executing task
 | |
| 		   then it should run now.
 | |
| 		*/
 | |
| 		if( curTCB == NULL || curTCB->uxPriority < pxNewTCB->uxPriority )
 | |
| 		{
 | |
| 			if( xCoreID == xPortGetCoreID() )
 | |
| 			{
 | |
| 				taskYIELD_IF_USING_PREEMPTION();
 | |
| 			}
 | |
| 			else {
 | |
| 				taskYIELD_OTHER_CORE(xCoreID, pxNewTCB->uxPriority);
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		mtCOVERAGE_TEST_MARKER();
 | |
| 	}
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_vTaskDelete == 1 )
 | |
| 
 | |
| 	void vTaskDelete( TaskHandle_t xTaskToDelete )
 | |
| 	{
 | |
| 	//The following vTaskDelete() is backported from FreeRTOS v9.0.0 and modified for SMP.
 | |
| 	//v9.0.0 vTaskDelete() will immediately free task memory if the task being deleted is
 | |
| 	//NOT currently running and not pinned to the other core. Otherwise, freeing of task memory
 | |
| 	//will still be delegated to the Idle Task.
 | |
| 
 | |
| 	TCB_t *pxTCB;
 | |
| 	int core = xPortGetCoreID();	//Current core
 | |
| 	UBaseType_t free_now;	//Flag to indicate if task memory can be freed immediately
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			/* If null is passed in here then it is the calling task that is
 | |
| 			being deleted. */
 | |
| 			pxTCB = prvGetTCBFromHandle( xTaskToDelete );
 | |
| 
 | |
| 			/* Remove task from the ready list. */
 | |
| 			if( uxListRemove( &( pxTCB->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 			{
 | |
| 				taskRESET_READY_PRIORITY( pxTCB->uxPriority );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 
 | |
| 			/* Is the task waiting on an event also? */
 | |
| 			if( listLIST_ITEM_CONTAINER( &( pxTCB->xEventListItem ) ) != NULL )
 | |
| 			{
 | |
| 				( void ) uxListRemove( &( pxTCB->xEventListItem ) );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 
 | |
| 			/* Increment the uxTaskNumber also so kernel aware debuggers can
 | |
| 			detect that the task lists need re-generating.  This is done before
 | |
| 			portPRE_TASK_DELETE_HOOK() as in the Windows port that macro will
 | |
| 			not return. */
 | |
| 			uxTaskNumber++;
 | |
| 
 | |
| 			//If task to be deleted is currently running on either core or is pinned to the other core. Let Idle free memory
 | |
| 			if( pxTCB == pxCurrentTCB[ core ] ||
 | |
| 				(portNUM_PROCESSORS > 1 && pxTCB == pxCurrentTCB[ !core ]) ||
 | |
| 				(portNUM_PROCESSORS > 1 && pxTCB->xCoreID == (!core)) )
 | |
| 			{
 | |
| 				/* Deleting a currently running task. This cannot complete
 | |
| 				within the task itself, as a context switch to another task is
 | |
| 				required. Place the task in the termination list.  The idle task
 | |
| 				will check the termination list and free up any memory allocated
 | |
| 				by the scheduler for the TCB and stack of the deleted task. */
 | |
| 				vListInsertEnd( &xTasksWaitingTermination, &( pxTCB->xGenericListItem ) );
 | |
| 
 | |
| 				/* Increment the ucTasksDeleted variable so the idle task knows
 | |
| 				there is a task that has been deleted and that it should therefore
 | |
| 				check the xTasksWaitingTermination list. */
 | |
| 				++uxTasksDeleted;
 | |
| 
 | |
| 				/* The pre-delete hook is primarily for the Windows simulator,
 | |
| 				in which Windows specific clean up operations are performed,
 | |
| 				after which it is not possible to yield away from this task -
 | |
| 				hence xYieldPending is used to latch that a context switch is
 | |
| 				required. */
 | |
| 				portPRE_TASK_DELETE_HOOK( pxTCB, &xYieldPending );
 | |
| 
 | |
| 				free_now = pdFALSE;		//Let Idle Task free task memory
 | |
| 			}
 | |
| 			else	//Task is not currently running and not pinned to the other core
 | |
| 			{
 | |
| 				--uxCurrentNumberOfTasks;
 | |
| 
 | |
| 				/* Reset the next expected unblock time in case it referred to
 | |
| 				the task that has just been deleted. */
 | |
| 				prvResetNextTaskUnblockTime();
 | |
| 				free_now = pdTRUE;		//Set flag to free task memory immediately
 | |
| 			}
 | |
| 
 | |
| 			traceTASK_DELETE( pxTCB );
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		if(free_now == pdTRUE){		//Free task memory. Outside critical section due to deletion callbacks
 | |
| 			#if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 ) && ( configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS )
 | |
| 				prvDeleteTLS( pxTCB );	//Run deletion callbacks before deleting TCB
 | |
| 			#endif
 | |
| 			prvDeleteTCB( pxTCB );	//Must only be called after del cb
 | |
| 		}
 | |
| 
 | |
| 		/* Force a reschedule if it is the currently running task that has just
 | |
| 		been deleted. */
 | |
| 		if( xSchedulerRunning != pdFALSE )
 | |
| 		{
 | |
| 			//No mux; no harm done if this misfires. The deleted task won't get scheduled anyway.
 | |
| 			if( pxTCB == pxCurrentTCB[ core ] )	//If task was currently running on this core
 | |
| 			{
 | |
| 				configASSERT( xTaskGetSchedulerState() != taskSCHEDULER_SUSPENDED )
 | |
| 
 | |
| 				/* The pre-delete hook is primarily for the Windows simulator,
 | |
| 				in which Windows specific clean up operations are performed,
 | |
| 				after which it is not possible to yield away from this task -
 | |
| 				hence xYieldPending is used to latch that a context switch is
 | |
| 				required. */
 | |
| 				portPRE_TASK_DELETE_HOOK( pxTCB, &xYieldPending[xPortGetCoreID()] );
 | |
| 				portYIELD_WITHIN_API();
 | |
| 			}
 | |
| 			else if ( portNUM_PROCESSORS > 1 && pxTCB == pxCurrentTCB[ !core] )	//If task was currently running on the other core
 | |
| 			{
 | |
| 				/* if task is running on the other CPU, force a yield on that CPU to take it off */
 | |
| 				vPortYieldOtherCore( !core );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_vTaskDelete */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_vTaskDelayUntil == 1 )
 | |
| 
 | |
| /* ToDo: Make this multicore-compatible. */
 | |
| 	void vTaskDelayUntil( TickType_t * const pxPreviousWakeTime, const TickType_t xTimeIncrement )
 | |
| 	{
 | |
| 	TickType_t xTimeToWake;
 | |
| 	BaseType_t xAlreadyYielded=pdFALSE, xShouldDelay = pdFALSE;
 | |
| 
 | |
| 		configASSERT( pxPreviousWakeTime );
 | |
| 		configASSERT( ( xTimeIncrement > 0U ) );
 | |
| 		configASSERT( xTaskGetSchedulerState() != taskSCHEDULER_SUSPENDED );
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| //		vTaskSuspendAll();
 | |
| 		{
 | |
| 			/* Minor optimisation.  The tick count cannot change in this
 | |
| 			block. */
 | |
| 			const TickType_t xConstTickCount = xTickCount;
 | |
| 
 | |
| 			/* Generate the tick time at which the task wants to wake. */
 | |
| 			xTimeToWake = *pxPreviousWakeTime + xTimeIncrement;
 | |
| 
 | |
| 			if( xConstTickCount < *pxPreviousWakeTime )
 | |
| 			{
 | |
| 				/* The tick count has overflowed since this function was
 | |
| 				lasted called.  In this case the only time we should ever
 | |
| 				actually delay is if the wake time has also	overflowed,
 | |
| 				and the wake time is greater than the tick time.  When this
 | |
| 				is the case it is as if neither time had overflowed. */
 | |
| 				if( ( xTimeToWake < *pxPreviousWakeTime ) && ( xTimeToWake > xConstTickCount ) )
 | |
| 				{
 | |
| 					xShouldDelay = pdTRUE;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				/* The tick time has not overflowed.  In this case we will
 | |
| 				delay if either the wake time has overflowed, and/or the
 | |
| 				tick time is less than the wake time. */
 | |
| 				if( ( xTimeToWake < *pxPreviousWakeTime ) || ( xTimeToWake > xConstTickCount ) )
 | |
| 				{
 | |
| 					xShouldDelay = pdTRUE;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 			/* Update the wake time ready for the next call. */
 | |
| 			*pxPreviousWakeTime = xTimeToWake;
 | |
| 
 | |
| 			if( xShouldDelay != pdFALSE )
 | |
| 			{
 | |
| 				traceTASK_DELAY_UNTIL();
 | |
| 
 | |
| 				/* Remove the task from the ready list before adding it to the
 | |
| 				blocked list as the same list item is used for both lists. */
 | |
| 				if( uxListRemove( &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 				{
 | |
| 					/* The current task must be in a ready list, so there is
 | |
| 					no need to check, and the port reset macro can be called
 | |
| 					directly. */
 | |
| 					portRESET_READY_PRIORITY( pxCurrentTCB[ xPortGetCoreID() ]->uxPriority, uxTopReadyPriority );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 
 | |
| 				prvAddCurrentTaskToDelayedList( xPortGetCoreID(), xTimeToWake );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| //		xAlreadyYielded = xTaskResumeAll();
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		/* Force a reschedule if xTaskResumeAll has not already done so, we may
 | |
| 		have put ourselves to sleep. */
 | |
| 		if( xAlreadyYielded == pdFALSE )
 | |
| 		{
 | |
| 			portYIELD_WITHIN_API();
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_vTaskDelayUntil */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_vTaskDelay == 1 )
 | |
| 	void vTaskDelay( const TickType_t xTicksToDelay )
 | |
| 	{
 | |
| 	TickType_t xTimeToWake;
 | |
| 	BaseType_t xAlreadyYielded = pdFALSE;
 | |
| 
 | |
| 		/* A delay time of zero just forces a reschedule. */
 | |
| 		if( xTicksToDelay > ( TickType_t ) 0U )
 | |
| 		{
 | |
| 			configASSERT( xTaskGetSchedulerState() != taskSCHEDULER_SUSPENDED );
 | |
| 			taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| //			vTaskSuspendAll();
 | |
| 			{
 | |
| 				traceTASK_DELAY();
 | |
| 
 | |
| 				/* A task that is removed from the event list while the
 | |
| 				scheduler is suspended will not get placed in the ready
 | |
| 				list or removed from the blocked list until the scheduler
 | |
| 				is resumed.
 | |
| 
 | |
| 				This task cannot be in an event list as it is the currently
 | |
| 				executing task. */
 | |
| 
 | |
| 				/* Calculate the time to wake - this may overflow but this is
 | |
| 				not a problem. */
 | |
| 				xTimeToWake = xTickCount + xTicksToDelay;
 | |
| 
 | |
| 				/* We must remove ourselves from the ready list before adding
 | |
| 				ourselves to the blocked list as the same list item is used for
 | |
| 				both lists. */
 | |
| 				if( uxListRemove( &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 				{
 | |
| 					/* The current task must be in a ready list, so there is
 | |
| 					no need to check, and the port reset macro can be called
 | |
| 					directly. */
 | |
| 					portRESET_READY_PRIORITY( pxCurrentTCB[ xPortGetCoreID() ]->uxPriority, uxTopReadyPriority );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 				prvAddCurrentTaskToDelayedList( xPortGetCoreID(), xTimeToWake );
 | |
| 			}
 | |
| //			xAlreadyYielded = xTaskResumeAll();
 | |
| 			taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 
 | |
| 		/* Force a reschedule if xTaskResumeAll has not already done so, we may
 | |
| 		have put ourselves to sleep. */
 | |
| 		if( xAlreadyYielded == pdFALSE )
 | |
| 		{
 | |
| 			portYIELD_WITHIN_API();
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_vTaskDelay */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_eTaskGetState == 1 )
 | |
| 	eTaskState eTaskGetState( TaskHandle_t xTask )
 | |
| 	{
 | |
| 	eTaskState eReturn;
 | |
| 	List_t *pxStateList;
 | |
| 	const TCB_t * const pxTCB = ( TCB_t * ) xTask;
 | |
| 		TCB_t * curTCBcurCore = xTaskGetCurrentTaskHandle();
 | |
| 		TCB_t * curTCBothrCore = xTaskGetCurrentTaskHandleForCPU(!xPortGetCoreID());    //Returns NULL if Unicore
 | |
| 
 | |
| 		configASSERT( pxTCB );
 | |
| 
 | |
| 		if( pxTCB == curTCBcurCore || pxTCB == curTCBothrCore )
 | |
| 		{
 | |
| 			/* The task calling this function is querying its own state. */
 | |
| 			eReturn = eRunning;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 			{
 | |
| 				pxStateList = ( List_t * ) listLIST_ITEM_CONTAINER( &( pxTCB->xGenericListItem ) );
 | |
| 			}
 | |
| 			taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 			if( ( pxStateList == pxDelayedTaskList ) || ( pxStateList == pxOverflowDelayedTaskList ) )
 | |
| 			{
 | |
| 				/* The task being queried is referenced from one of the Blocked
 | |
| 				lists. */
 | |
| 				eReturn = eBlocked;
 | |
| 			}
 | |
| 
 | |
| 			#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 				else if( pxStateList == &xSuspendedTaskList )
 | |
| 				{
 | |
| 					/* The task being queried is referenced from the suspended
 | |
| 					list.  Is it genuinely suspended or is it block
 | |
| 					indefinitely? */
 | |
| 					if( listLIST_ITEM_CONTAINER( &( pxTCB->xEventListItem ) ) == NULL )
 | |
| 					{
 | |
| 						eReturn = eSuspended;
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						eReturn = eBlocked;
 | |
| 					}
 | |
| 				}
 | |
| 			#endif
 | |
| 
 | |
| 			#if ( INCLUDE_vTaskDelete == 1 )
 | |
| 				else if( pxStateList == &xTasksWaitingTermination )
 | |
| 				{
 | |
| 					/* The task being queried is referenced from the deleted
 | |
| 					tasks list. */
 | |
| 					eReturn = eDeleted;
 | |
| 				}
 | |
| 			#endif
 | |
| 
 | |
| 			else /*lint !e525 Negative indentation is intended to make use of pre-processor clearer. */
 | |
| 			{
 | |
| 				/* If the task is not in any other state, it must be in the
 | |
| 				Ready (including pending ready) state. */
 | |
| 				eReturn = eReady;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		return eReturn;
 | |
| 	} /*lint !e818 xTask cannot be a pointer to const because it is a typedef. */
 | |
| 
 | |
| #endif /* INCLUDE_eTaskGetState */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_uxTaskPriorityGet == 1 )
 | |
| 	UBaseType_t uxTaskPriorityGet( TaskHandle_t xTask )
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 	UBaseType_t uxReturn;
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			/* If null is passed in here then we are changing the
 | |
| 			priority of the calling function. */
 | |
| 			pxTCB = prvGetTCBFromHandle( xTask );
 | |
| 			uxReturn = pxTCB->uxPriority;
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		return uxReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_uxTaskPriorityGet */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_uxTaskPriorityGet == 1 )
 | |
| 	UBaseType_t uxTaskPriorityGetFromISR( TaskHandle_t xTask )
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 	UBaseType_t uxReturn;
 | |
| 
 | |
| 		taskENTER_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			/* If null is passed in here then it is the priority of the calling
 | |
| 			task that is being queried. */
 | |
| 			pxTCB = prvGetTCBFromHandle( xTask );
 | |
| 			uxReturn = pxTCB->uxPriority;
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 
 | |
| 		return uxReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_uxTaskPriorityGet */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_vTaskPrioritySet == 1 )
 | |
| 
 | |
| 	void vTaskPrioritySet( TaskHandle_t xTask, UBaseType_t uxNewPriority )
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 	UBaseType_t uxCurrentBasePriority, uxPriorityUsedOnEntry;
 | |
| 	BaseType_t xYieldRequired = pdFALSE;
 | |
| 
 | |
| 		configASSERT( ( uxNewPriority < configMAX_PRIORITIES ) );
 | |
| 
 | |
| 		/* Ensure the new priority is valid. */
 | |
| 		if( uxNewPriority >= ( UBaseType_t ) configMAX_PRIORITIES )
 | |
| 		{
 | |
| 			uxNewPriority = ( UBaseType_t ) configMAX_PRIORITIES - ( UBaseType_t ) 1U;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			/* If null is passed in here then it is the priority of the calling
 | |
| 			task that is being changed. */
 | |
| 			pxTCB = prvGetTCBFromHandle( xTask );
 | |
| 
 | |
| 			traceTASK_PRIORITY_SET( pxTCB, uxNewPriority );
 | |
| 
 | |
| 			#if ( configUSE_MUTEXES == 1 )
 | |
| 			{
 | |
| 				uxCurrentBasePriority = pxTCB->uxBasePriority;
 | |
| 			}
 | |
| 			#else
 | |
| 			{
 | |
| 				uxCurrentBasePriority = pxTCB->uxPriority;
 | |
| 			}
 | |
| 			#endif
 | |
| 
 | |
| 			if( uxCurrentBasePriority != uxNewPriority )
 | |
| 			{
 | |
| 				/* The priority change may have readied a task of higher
 | |
| 				priority than the calling task. */
 | |
| 				if( uxNewPriority > uxCurrentBasePriority )
 | |
| 				{
 | |
| 					if( pxTCB != pxCurrentTCB[ xPortGetCoreID() ] )
 | |
| 					{
 | |
| 						/* The priority of a task other than the currently
 | |
| 						running task is being raised.  Is the priority being
 | |
| 						raised above that of the running task? */
 | |
| 						if ( tskCAN_RUN_HERE(pxTCB->xCoreID) && uxNewPriority >= pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 						{
 | |
| 							xYieldRequired = pdTRUE;
 | |
| 						}
 | |
| 						else if ( pxTCB->xCoreID != xPortGetCoreID() )
 | |
| 						{
 | |
| 							taskYIELD_OTHER_CORE( pxTCB->xCoreID, uxNewPriority );
 | |
| 						}
 | |
| 						else
 | |
| 						{
 | |
| 							mtCOVERAGE_TEST_MARKER();
 | |
| 						}
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						/* The priority of the running task is being raised,
 | |
| 						but the running task must already be the highest
 | |
| 						priority task able to run so no yield is required. */
 | |
| 					}
 | |
| 				}
 | |
| 				else if( pxTCB == pxCurrentTCB[ xPortGetCoreID() ] )
 | |
| 				{
 | |
| 					/* Setting the priority of the running task down means
 | |
| 					there may now be another task of higher priority that
 | |
| 					is ready to execute. */
 | |
| 					xYieldRequired = pdTRUE;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					/* Setting the priority of any other task down does not
 | |
| 					require a yield as the running task must be above the
 | |
| 					new priority of the task being modified. */
 | |
| 				}
 | |
| 
 | |
| 				/* Remember the ready list the task might be referenced from
 | |
| 				before its uxPriority member is changed so the
 | |
| 				taskRESET_READY_PRIORITY() macro can function correctly. */
 | |
| 				uxPriorityUsedOnEntry = pxTCB->uxPriority;
 | |
| 
 | |
| 				#if ( configUSE_MUTEXES == 1 )
 | |
| 				{
 | |
| 					/* Only change the priority being used if the task is not
 | |
| 					currently using an inherited priority. */
 | |
| 					if( pxTCB->uxBasePriority == pxTCB->uxPriority )
 | |
| 					{
 | |
| 						pxTCB->uxPriority = uxNewPriority;
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 
 | |
| 					/* The base priority gets set whatever. */
 | |
| 					pxTCB->uxBasePriority = uxNewPriority;
 | |
| 				}
 | |
| 				#else
 | |
| 				{
 | |
| 					pxTCB->uxPriority = uxNewPriority;
 | |
| 				}
 | |
| 				#endif
 | |
| 
 | |
| 				/* Only reset the event list item value if the value is not
 | |
| 				being used for anything else. */
 | |
| 				if( ( listGET_LIST_ITEM_VALUE( &( pxTCB->xEventListItem ) ) & taskEVENT_LIST_ITEM_VALUE_IN_USE ) == 0UL )
 | |
| 				{
 | |
| 					listSET_LIST_ITEM_VALUE( &( pxTCB->xEventListItem ), ( ( TickType_t ) configMAX_PRIORITIES - ( TickType_t ) uxNewPriority ) ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 
 | |
| 				/* If the task is in the blocked or suspended list we need do
 | |
| 				nothing more than change it's priority variable. However, if
 | |
| 				the task is in a ready list it needs to be removed and placed
 | |
| 				in the list appropriate to its new priority. */
 | |
| 				if( listIS_CONTAINED_WITHIN( &( pxReadyTasksLists[ uxPriorityUsedOnEntry ] ), &( pxTCB->xGenericListItem ) ) != pdFALSE )
 | |
| 				{
 | |
| 					/* The task is currently in its ready list - remove before adding
 | |
| 					it to it's new ready list.  As we are in a critical section we
 | |
| 					can do this even if the scheduler is suspended. */
 | |
| 					if( uxListRemove( &( pxTCB->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 					{
 | |
| 						/* It is known that the task is in its ready list so
 | |
| 						there is no need to check again and the port level
 | |
| 						reset macro can be called directly. */
 | |
| 						portRESET_READY_PRIORITY( uxPriorityUsedOnEntry, uxTopReadyPriority );
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
|                     prvReaddTaskToReadyList( pxTCB );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 
 | |
| 				if( xYieldRequired == pdTRUE )
 | |
| 				{
 | |
| 					taskYIELD_IF_USING_PREEMPTION();
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 
 | |
| 				/* Remove compiler warning about unused variables when the port
 | |
| 				optimised task selection is not being used. */
 | |
| 				( void ) uxPriorityUsedOnEntry;
 | |
| 			}
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_vTaskPrioritySet */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 	void vTaskSuspend( TaskHandle_t xTaskToSuspend )
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
|         TCB_t *curTCB;
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			/* If null is passed in here then it is the running task that is
 | |
| 			being suspended. */
 | |
| 			pxTCB = prvGetTCBFromHandle( xTaskToSuspend );
 | |
| 
 | |
| 			traceTASK_SUSPEND( pxTCB );
 | |
| 
 | |
| 			/* Remove task from the ready/delayed list and place in the
 | |
| 			suspended list. */
 | |
| 			if( uxListRemove( &( pxTCB->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 			{
 | |
| 				taskRESET_READY_PRIORITY( pxTCB->uxPriority );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 
 | |
| 			/* Is the task waiting on an event also? */
 | |
| 			if( listLIST_ITEM_CONTAINER( &( pxTCB->xEventListItem ) ) != NULL )
 | |
| 			{
 | |
| 				( void ) uxListRemove( &( pxTCB->xEventListItem ) );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
|             traceMOVED_TASK_TO_SUSPENDED_LIST(pxTCB);
 | |
| 			vListInsertEnd( &xSuspendedTaskList, &( pxTCB->xGenericListItem ) );
 | |
| 			curTCB = pxCurrentTCB[ xPortGetCoreID() ];
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		if( pxTCB == curTCB )
 | |
| 		{
 | |
| 			if( xSchedulerRunning != pdFALSE )
 | |
| 			{
 | |
| 				/* The current task has just been suspended. */
 | |
| 				configASSERT( xTaskGetSchedulerState() != taskSCHEDULER_SUSPENDED );
 | |
| 				portYIELD_WITHIN_API();
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				/* The scheduler is not running, but the task that was pointed
 | |
| 				to by pxCurrentTCB has just been suspended and pxCurrentTCB
 | |
| 				must be adjusted to point to a different task. */
 | |
| 				if( listCURRENT_LIST_LENGTH( &xSuspendedTaskList ) == uxCurrentNumberOfTasks )
 | |
| 				{
 | |
| 					/* No other tasks are ready, so set pxCurrentTCB back to
 | |
| 					NULL so when the next task is created pxCurrentTCB will
 | |
| 					be set to point to it no matter what its relative priority
 | |
| 					is. */
 | |
| 					taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 					pxCurrentTCB[ xPortGetCoreID() ] = NULL;
 | |
| 					taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					vTaskSwitchContext();
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			if( xSchedulerRunning != pdFALSE )
 | |
| 			{
 | |
| 				/* A task other than the currently running task was suspended,
 | |
| 				reset the next expected unblock time in case it referred to the
 | |
| 				task that is now in the Suspended state. */
 | |
| 				taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 				{
 | |
| 					prvResetNextTaskUnblockTime();
 | |
| 				}
 | |
| 				taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_vTaskSuspend */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 	static BaseType_t prvTaskIsTaskSuspended( const TaskHandle_t xTask )
 | |
| 	{
 | |
| 	BaseType_t xReturn = pdFALSE;
 | |
| 	const TCB_t * const pxTCB = ( TCB_t * ) xTask;
 | |
| 
 | |
| 		/* Accesses xPendingReadyList so must be called from a critical
 | |
| 		   section (caller is required to hold xTaskQueueMutex). */
 | |
| 
 | |
| 		/* It does not make sense to check if the calling task is suspended. */
 | |
| 		configASSERT( xTask );
 | |
| 
 | |
| 		/* Is the task being resumed actually in the suspended list? */
 | |
| 		if( listIS_CONTAINED_WITHIN( &xSuspendedTaskList, &( pxTCB->xGenericListItem ) ) != pdFALSE )
 | |
| 		{
 | |
| 			/* Has the task already been resumed from within an ISR? */
 | |
| 			if( listIS_CONTAINED_WITHIN( &xPendingReadyList[ xPortGetCoreID() ], &( pxTCB->xEventListItem ) ) == pdFALSE )
 | |
| 			{
 | |
| 				/* Is it in the suspended list because it is in the	Suspended
 | |
| 				state, or because is is blocked with no timeout? */
 | |
| 				if( listIS_CONTAINED_WITHIN( NULL, &( pxTCB->xEventListItem ) ) != pdFALSE )
 | |
| 				{
 | |
| 					xReturn = pdTRUE;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 
 | |
| 		return xReturn;
 | |
| 	} /*lint !e818 xTask cannot be a pointer to const because it is a typedef. */
 | |
| 
 | |
| #endif /* INCLUDE_vTaskSuspend */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 
 | |
| 	void vTaskResume( TaskHandle_t xTaskToResume )
 | |
| 	{
 | |
| 	TCB_t * const pxTCB = ( TCB_t * ) xTaskToResume;
 | |
| 
 | |
| 		/* It does not make sense to resume the calling task. */
 | |
| 		configASSERT( xTaskToResume );
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		/* The parameter cannot be NULL as it is impossible to resume the
 | |
| 		currently executing task. */
 | |
| 		if( ( pxTCB != NULL ) && ( pxTCB != pxCurrentTCB[ xPortGetCoreID() ] ) )
 | |
| 		{
 | |
| 			{
 | |
| 				if( prvTaskIsTaskSuspended( pxTCB ) == pdTRUE )
 | |
| 				{
 | |
| 					traceTASK_RESUME( pxTCB );
 | |
| 
 | |
| 					/* As we are in a critical section we can access the ready
 | |
| 					lists even if the scheduler is suspended. */
 | |
| 					( void ) uxListRemove(  &( pxTCB->xGenericListItem ) );
 | |
| 					prvAddTaskToReadyList( pxTCB );
 | |
| 
 | |
| 					/* We may have just resumed a higher priority task. */
 | |
| 					if( tskCAN_RUN_HERE(pxTCB->xCoreID) && pxTCB->uxPriority >= pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 					{
 | |
| 						/* This yield may not cause the task just resumed to run,
 | |
| 						but will leave the lists in the correct state for the
 | |
| 						next yield. */
 | |
| 						taskYIELD_IF_USING_PREEMPTION();
 | |
| 					}
 | |
| 					else if( pxTCB->xCoreID != xPortGetCoreID() )
 | |
| 					{
 | |
| 						taskYIELD_OTHER_CORE( pxTCB->xCoreID, pxTCB->uxPriority );
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_vTaskSuspend */
 | |
| 
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( ( INCLUDE_xTaskResumeFromISR == 1 ) && ( INCLUDE_vTaskSuspend == 1 ) )
 | |
| 
 | |
| 	BaseType_t xTaskResumeFromISR( TaskHandle_t xTaskToResume )
 | |
| 	{
 | |
| 	BaseType_t xYieldRequired = pdFALSE;
 | |
| 	TCB_t * const pxTCB = ( TCB_t * ) xTaskToResume;
 | |
| 
 | |
| 		configASSERT( xTaskToResume );
 | |
| 
 | |
| 		taskENTER_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 
 | |
| 		{
 | |
| 			if( prvTaskIsTaskSuspended( pxTCB ) == pdTRUE )
 | |
| 			{
 | |
| 				traceTASK_RESUME_FROM_ISR( pxTCB );
 | |
| 
 | |
| 				/* Check the ready lists can be accessed. */
 | |
| 				if( uxSchedulerSuspended[ xPortGetCoreID() ] == ( UBaseType_t ) pdFALSE )
 | |
| 				{
 | |
| 					/* Ready lists can be accessed so move the task from the
 | |
| 					suspended list to the ready list directly. */
 | |
| 					( void ) uxListRemove(  &( pxTCB->xGenericListItem ) );
 | |
| 					prvAddTaskToReadyList( pxTCB );
 | |
| 
 | |
| 					if( tskCAN_RUN_HERE( pxTCB->xCoreID ) && pxTCB->uxPriority >= pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 					{
 | |
| 						xYieldRequired = pdTRUE;
 | |
| 					}
 | |
| 					else if ( pxTCB->xCoreID != xPortGetCoreID() )
 | |
| 					{
 | |
| 						taskYIELD_OTHER_CORE( pxTCB->xCoreID, pxTCB->uxPriority);
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					/* The delayed or ready lists cannot be accessed so the task
 | |
| 					is held in the pending ready list until the scheduler is
 | |
| 					unsuspended. */
 | |
| 					vListInsertEnd( &( xPendingReadyList[ xPortGetCoreID() ] ), &( pxTCB->xEventListItem ) );
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 
 | |
| 		return xYieldRequired;
 | |
| 	}
 | |
| 
 | |
| #endif /* ( ( INCLUDE_xTaskResumeFromISR == 1 ) && ( INCLUDE_vTaskSuspend == 1 ) ) */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| void vTaskStartScheduler( void )
 | |
| {
 | |
| BaseType_t xReturn;
 | |
| BaseType_t i;
 | |
| 
 | |
| 	/* Add the per-core idle tasks at the lowest priority. */
 | |
| 	for ( i=0; i<portNUM_PROCESSORS; i++) {
 | |
| 		//Generate idle task name
 | |
| 		char cIdleName[configMAX_TASK_NAME_LEN];
 | |
| 		snprintf(cIdleName, configMAX_TASK_NAME_LEN, "IDLE%d", i);
 | |
| 		#if ( INCLUDE_xTaskGetIdleTaskHandle == 1 )
 | |
| 		{
 | |
| 			/* Create the idle task, storing its handle in xIdleTaskHandle so it can
 | |
| 			be returned by the xTaskGetIdleTaskHandle() function. */
 | |
| 			xReturn = xTaskCreatePinnedToCore( prvIdleTask, cIdleName, tskIDLE_STACK_SIZE, ( void * ) NULL, ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), &xIdleTaskHandle[i], i ); /*lint !e961 MISRA exception, justified as it is not a redundant explicit cast to all supported compilers. */
 | |
| 		}
 | |
| 		#else
 | |
| 		{
 | |
| 			/* Create the idle task without storing its handle. */
 | |
| 			xReturn = xTaskCreatePinnedToCore( prvIdleTask, cIdleName, tskIDLE_STACK_SIZE, ( void * ) NULL, ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), NULL, i);  /*lint !e961 MISRA exception, justified as it is not a redundant explicit cast to all supported compilers. */
 | |
| 		}
 | |
| 		#endif /* INCLUDE_xTaskGetIdleTaskHandle */
 | |
| 	}
 | |
| 
 | |
| 	#if ( configUSE_TIMERS == 1 )
 | |
| 	{
 | |
| 		if( xReturn == pdPASS )
 | |
| 		{
 | |
| 			xReturn = xTimerCreateTimerTask();
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 	#endif /* configUSE_TIMERS */
 | |
| 
 | |
| 	if( xReturn == pdPASS )
 | |
| 	{
 | |
| 		/* Interrupts are turned off here, to ensure a tick does not occur
 | |
| 		before or during the call to xPortStartScheduler().  The stacks of
 | |
| 		the created tasks contain a status word with interrupts switched on
 | |
| 		so interrupts will automatically get re-enabled when the first task
 | |
| 		starts to run. */
 | |
| 		portDISABLE_INTERRUPTS();
 | |
| 
 | |
| 
 | |
| 		xTickCount = ( TickType_t ) 0U;
 | |
| 
 | |
| 		/* If configGENERATE_RUN_TIME_STATS is defined then the following
 | |
| 		macro must be defined to configure the timer/counter used to generate
 | |
| 		the run time counter time base. */
 | |
| 		portCONFIGURE_TIMER_FOR_RUN_TIME_STATS();
 | |
| 		xSchedulerRunning = pdTRUE;
 | |
| 
 | |
| 		/* Setting up the timer tick is hardware specific and thus in the
 | |
| 		portable interface. */
 | |
| 		if( xPortStartScheduler() != pdFALSE )
 | |
| 		{
 | |
| 			/* Should not reach here as if the scheduler is running the
 | |
| 			function will not return. */
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			/* Should only reach here if a task calls xTaskEndScheduler(). */
 | |
| 		}
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		/* This line will only be reached if the kernel could not be started,
 | |
| 		because there was not enough FreeRTOS heap to create the idle task
 | |
| 		or the timer task. */
 | |
| 		configASSERT( xReturn );
 | |
| 	}
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| void vTaskEndScheduler( void )
 | |
| {
 | |
| 	/* Stop the scheduler interrupts and call the portable scheduler end
 | |
| 	routine so the original ISRs can be restored if necessary.  The port
 | |
| 	layer must ensure interrupts enable	bit is left in the correct state. */
 | |
| 	portDISABLE_INTERRUPTS();
 | |
| 	xSchedulerRunning = pdFALSE;
 | |
| 	vPortEndScheduler();
 | |
| }
 | |
| /*----------------------------------------------------------*/
 | |
| 
 | |
| 
 | |
| #if ( configUSE_NEWLIB_REENTRANT == 1 )
 | |
| //Return global reent struct if FreeRTOS isn't running,
 | |
| struct _reent* __getreent(void) {
 | |
| 	//No lock needed because if this changes, we won't be running anymore.
 | |
| 	TCB_t *currTask=xTaskGetCurrentTaskHandle();
 | |
| 	if (currTask==NULL) {
 | |
| 		//No task running. Return global struct.
 | |
| 		return _GLOBAL_REENT;
 | |
| 	} else {
 | |
| 		//We have a task; return its reentrant struct.
 | |
| 		return &currTask->xNewLib_reent;
 | |
| 	}
 | |
| }
 | |
| #endif
 | |
| 
 | |
| 
 | |
| void vTaskSuspendAll( void )
 | |
| {
 | |
| 	/* A critical section is not required as the variable is of type
 | |
| 	BaseType_t.  Please read Richard Barry's reply in the following link to a
 | |
| 	post in the FreeRTOS support forum before reporting this as a bug! -
 | |
| 	http://goo.gl/wu4acr */
 | |
| 	unsigned state;
 | |
| 
 | |
| 	state = portENTER_CRITICAL_NESTED();
 | |
| 	++uxSchedulerSuspended[ xPortGetCoreID() ];
 | |
| 	portEXIT_CRITICAL_NESTED(state);
 | |
| }
 | |
| /*----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_TICKLESS_IDLE != 0 )
 | |
| 
 | |
| #if ( portNUM_PROCESSORS > 1 )
 | |
| 
 | |
| 	static BaseType_t xHaveReadyTasks( void )
 | |
| 	{
 | |
| 		for (int i = tskIDLE_PRIORITY + 1; i < configMAX_PRIORITIES; ++i)
 | |
| 		{
 | |
| 			if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ i ] ) ) > 0 )
 | |
| 			{
 | |
| 				return pdTRUE;
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		return pdFALSE;
 | |
| 	}
 | |
| 
 | |
| #endif // portNUM_PROCESSORS > 1
 | |
| 
 | |
| 	static TickType_t prvGetExpectedIdleTime( void )
 | |
| 	{
 | |
| 	TickType_t xReturn;
 | |
| 
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		if( pxCurrentTCB[ xPortGetCoreID() ]->uxPriority > tskIDLE_PRIORITY )
 | |
| 		{
 | |
| 			xReturn = 0;
 | |
| 		}
 | |
| #if portNUM_PROCESSORS > 1
 | |
| 		/* This function is called from Idle task; in single core case this
 | |
| 		 * means that no higher priority tasks are ready to run, and we can
 | |
| 		 * enter sleep. In SMP case, there might be ready tasks waiting for
 | |
| 		 * the other CPU, so need to check all ready lists.
 | |
| 		 */
 | |
| 		else if( xHaveReadyTasks() )
 | |
| 		{
 | |
| 			xReturn = 0;
 | |
| 		}
 | |
| #endif // portNUM_PROCESSORS > 1
 | |
| 		else if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ tskIDLE_PRIORITY ] ) ) > portNUM_PROCESSORS )
 | |
| 		{
 | |
| 			/* There are other idle priority tasks in the ready state.  If
 | |
| 			time slicing is used then the very next tick interrupt must be
 | |
| 			processed. */
 | |
| 			xReturn = 0;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xReturn = xNextTaskUnblockTime - xTickCount;
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TICKLESS_IDLE */
 | |
| /*----------------------------------------------------------*/
 | |
| 
 | |
| BaseType_t xTaskResumeAll( void )
 | |
| {
 | |
| TCB_t *pxTCB;
 | |
| BaseType_t xAlreadyYielded = pdFALSE;
 | |
| 
 | |
| 	/* If scheduler state is `taskSCHEDULER_RUNNING` then this function does not match a
 | |
| 	previous call to vTaskSuspendAll(). */
 | |
| 	configASSERT( xTaskGetSchedulerState() != taskSCHEDULER_RUNNING );
 | |
| 	/* It is possible that an ISR caused a task to be removed from an event
 | |
| 	list while the scheduler was suspended.  If this was the case then the
 | |
| 	removed task will have been added to the xPendingReadyList.  Once the
 | |
| 	scheduler has been resumed it is safe to move all the pending ready
 | |
| 	tasks from this list into their appropriate ready list. */
 | |
| 
 | |
| 	taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 	{
 | |
| 		--uxSchedulerSuspended[ xPortGetCoreID() ];
 | |
| 
 | |
| 		if( uxSchedulerSuspended[ xPortGetCoreID() ] == ( UBaseType_t ) pdFALSE )
 | |
| 		{
 | |
| 			if( uxCurrentNumberOfTasks > ( UBaseType_t ) 0U )
 | |
| 			{
 | |
| 				/* Move any readied tasks from the pending list into the
 | |
| 				appropriate ready list. */
 | |
| 				while( listLIST_IS_EMPTY( &xPendingReadyList[ xPortGetCoreID() ] ) == pdFALSE )
 | |
| 				{
 | |
| 					pxTCB = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( ( &xPendingReadyList[ xPortGetCoreID() ] ) );
 | |
| 					( void ) uxListRemove( &( pxTCB->xEventListItem ) );
 | |
| 					( void ) uxListRemove( &( pxTCB->xGenericListItem ) );
 | |
| 					prvAddTaskToReadyList( pxTCB );
 | |
| 
 | |
| 					/* If the moved task has a priority higher than the current
 | |
| 					task then a yield must be performed. */
 | |
| 					if ( tskCAN_RUN_HERE(pxTCB->xCoreID) && pxTCB->uxPriority >= pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 					{
 | |
| 						/* We can schedule the awoken task on this CPU. */
 | |
| 						xYieldPending[xPortGetCoreID()] = pdTRUE;
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 				}
 | |
| 
 | |
| 				/* If any ticks occurred while the scheduler was suspended then
 | |
| 				they should be processed now.  This ensures the tick count does
 | |
| 				not	slip, and that any delayed tasks are resumed at the correct
 | |
| 				time. */
 | |
| 				if( uxPendedTicks > ( UBaseType_t ) 0U )
 | |
| 				{
 | |
| 					while( uxPendedTicks > ( UBaseType_t ) 0U )
 | |
| 					{
 | |
| 						if( xTaskIncrementTick() != pdFALSE )
 | |
| 						{
 | |
| 							xYieldPending[ xPortGetCoreID() ] = pdTRUE;
 | |
| 						}
 | |
| 						else
 | |
| 						{
 | |
| 							mtCOVERAGE_TEST_MARKER();
 | |
| 						}
 | |
| 						--uxPendedTicks;
 | |
| 					}
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 
 | |
| 				if( xYieldPending[ xPortGetCoreID() ] == pdTRUE )
 | |
| 				{
 | |
| 					#if( configUSE_PREEMPTION != 0 )
 | |
| 					{
 | |
| 						xAlreadyYielded = pdTRUE;
 | |
| 					}
 | |
| 					#endif
 | |
| 					taskYIELD_IF_USING_PREEMPTION();
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 	taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 	return xAlreadyYielded;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| TickType_t xTaskGetTickCount( void )
 | |
| {
 | |
| 	return xTickCount;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| TickType_t xTaskGetTickCountFromISR( void )
 | |
| {
 | |
| 	return xTickCount;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| UBaseType_t uxTaskGetNumberOfTasks( void )
 | |
| {
 | |
| 	/* A critical section is not required because the variables are of type
 | |
| 	BaseType_t. */
 | |
| 	return uxCurrentNumberOfTasks;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_pcTaskGetTaskName == 1 )
 | |
| 	char *pcTaskGetTaskName( TaskHandle_t xTaskToQuery ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 
 | |
| 		/* If null is passed in here then the name of the calling task is being queried. */
 | |
| 		pxTCB = prvGetTCBFromHandle( xTaskToQuery );
 | |
| 		configASSERT( pxTCB );
 | |
| 		return &( pxTCB->pcTaskName[ 0 ] );
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_pcTaskGetTaskName */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_TRACE_FACILITY == 1 )
 | |
| 
 | |
| 	UBaseType_t uxTaskGetSystemState( TaskStatus_t * const pxTaskStatusArray, const UBaseType_t uxArraySize, uint32_t * const pulTotalRunTime )
 | |
| 	{
 | |
| 	UBaseType_t uxTask = 0, uxQueue = configMAX_PRIORITIES;
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			/* Is there a space in the array for each task in the system? */
 | |
| 			if( uxArraySize >= uxCurrentNumberOfTasks )
 | |
| 			{
 | |
| 				/* Fill in an TaskStatus_t structure with information on each
 | |
| 				task in the Ready state. */
 | |
| 				do
 | |
| 				{
 | |
| 					uxQueue--;
 | |
| 					uxTask += prvListTaskWithinSingleList( &( pxTaskStatusArray[ uxTask ] ), &( pxReadyTasksLists[ uxQueue ] ), eReady );
 | |
| 
 | |
| 				} while( uxQueue > ( UBaseType_t ) tskIDLE_PRIORITY ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
| 
 | |
| 				/* Fill in an TaskStatus_t structure with information on each
 | |
| 				task in the Blocked state. */
 | |
| 				uxTask += prvListTaskWithinSingleList( &( pxTaskStatusArray[ uxTask ] ), ( List_t * ) pxDelayedTaskList, eBlocked );
 | |
| 				uxTask += prvListTaskWithinSingleList( &( pxTaskStatusArray[ uxTask ] ), ( List_t * ) pxOverflowDelayedTaskList, eBlocked );
 | |
| 
 | |
| 				#if( INCLUDE_vTaskDelete == 1 )
 | |
| 				{
 | |
| 					/* Fill in an TaskStatus_t structure with information on
 | |
| 					each task that has been deleted but not yet cleaned up. */
 | |
| 					uxTask += prvListTaskWithinSingleList( &( pxTaskStatusArray[ uxTask ] ), &xTasksWaitingTermination, eDeleted );
 | |
| 				}
 | |
| 				#endif
 | |
| 
 | |
| 				#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 				{
 | |
| 					/* Fill in an TaskStatus_t structure with information on
 | |
| 					each task in the Suspended state. */
 | |
| 					uxTask += prvListTaskWithinSingleList( &( pxTaskStatusArray[ uxTask ] ), &xSuspendedTaskList, eSuspended );
 | |
| 				}
 | |
| 				#endif
 | |
| 
 | |
| 				#if ( configGENERATE_RUN_TIME_STATS == 1)
 | |
| 				{
 | |
| 					if( pulTotalRunTime != NULL )
 | |
| 					{
 | |
| 						#ifdef portALT_GET_RUN_TIME_COUNTER_VALUE
 | |
| 							portALT_GET_RUN_TIME_COUNTER_VALUE( ( *pulTotalRunTime ) );
 | |
| 						#else
 | |
| 							*pulTotalRunTime = portGET_RUN_TIME_COUNTER_VALUE();
 | |
| 						#endif
 | |
| 					}
 | |
| 				}
 | |
| 				#else
 | |
| 				{
 | |
| 					if( pulTotalRunTime != NULL )
 | |
| 					{
 | |
| 						*pulTotalRunTime = 0;
 | |
| 					}
 | |
| 				}
 | |
| 				#endif
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 		return uxTask;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TRACE_FACILITY */
 | |
| /*----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_xTaskGetIdleTaskHandle == 1 )
 | |
| 
 | |
| 	TaskHandle_t xTaskGetIdleTaskHandle( void )
 | |
| 	{
 | |
| 		/* If xTaskGetIdleTaskHandle() is called before the scheduler has been
 | |
| 		started, then xIdleTaskHandle will be NULL. */
 | |
| 		configASSERT( ( xIdleTaskHandle[ xPortGetCoreID() ] != NULL ) );
 | |
| 		return xIdleTaskHandle[ xPortGetCoreID() ];
 | |
| 	}
 | |
| 
 | |
| 	TaskHandle_t xTaskGetIdleTaskHandleForCPU( UBaseType_t cpuid )
 | |
| 	{
 | |
| 	    TaskHandle_t xReturn = NULL;
 | |
| 	    /* If xTaskGetIdleTaskHandleForCPU() is called before the scheduler has been
 | |
|         started, then xIdleTaskHandle will be NULL. */
 | |
| 	    if (cpuid < portNUM_PROCESSORS) {
 | |
| 	        configASSERT( ( xIdleTaskHandle[ cpuid ] != NULL ) );
 | |
| 	        xReturn = xIdleTaskHandle[ cpuid ];
 | |
| 	    }
 | |
| 	    return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_xTaskGetIdleTaskHandle */
 | |
| /*----------------------------------------------------------*/
 | |
| 
 | |
| /* This conditional compilation should use inequality to 0, not equality to 1.
 | |
| This is to ensure vTaskStepTick() is available when user defined low power mode
 | |
| implementations require configUSE_TICKLESS_IDLE to be set to a value other than
 | |
| 1. */
 | |
| #if ( configUSE_TICKLESS_IDLE != 0 )
 | |
| 
 | |
| 	void vTaskStepTick( const TickType_t xTicksToJump )
 | |
| 	{
 | |
| 		/* Correct the tick count value after a period during which the tick
 | |
| 		was suppressed.  Note this does *not* call the tick hook function for
 | |
| 		each stepped tick. */
 | |
| 		portENTER_CRITICAL( &xTaskQueueMutex );
 | |
| 		configASSERT( ( xTickCount + xTicksToJump ) <= xNextTaskUnblockTime );
 | |
| 		xTickCount += xTicksToJump;
 | |
| 		portEXIT_CRITICAL( &xTaskQueueMutex );
 | |
| 		traceINCREASE_TICK_COUNT( xTicksToJump );
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TICKLESS_IDLE */
 | |
| /*----------------------------------------------------------*/
 | |
| 
 | |
| BaseType_t xTaskIncrementTick( void )
 | |
| {
 | |
| TCB_t * pxTCB;
 | |
| TickType_t xItemValue;
 | |
| BaseType_t xSwitchRequired = pdFALSE;
 | |
| 
 | |
| 	/* Called by the portable layer each time a tick interrupt occurs.
 | |
| 	Increments the tick then checks to see if the new tick value will cause any
 | |
| 	tasks to be unblocked. */
 | |
| 
 | |
| 	/* Only allow core 0 increase the tick count in the case of xPortSysTickHandler processing. */
 | |
| 	/* And allow core 0 and core 1 to unwind uxPendedTicks during xTaskResumeAll. */
 | |
| 
 | |
| 	if (xPortInIsrContext())
 | |
| 	{
 | |
| 		#if ( configUSE_TICK_HOOK == 1 )
 | |
| 		vApplicationTickHook();
 | |
| 		#endif /* configUSE_TICK_HOOK */
 | |
| 		#if ( CONFIG_FREERTOS_LEGACY_HOOKS == 1 )
 | |
| 		esp_vApplicationTickHook();
 | |
| 		#endif /* CONFIG_FREERTOS_LEGACY_HOOKS */
 | |
| 
 | |
| 		if (xPortGetCoreID() == 1 )
 | |
| 		{
 | |
| 			return pdTRUE;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 
 | |
| 	traceTASK_INCREMENT_TICK( xTickCount );
 | |
| 
 | |
| 	if( uxSchedulerSuspended[ xPortGetCoreID() ] == ( UBaseType_t ) pdFALSE )
 | |
| 	{
 | |
| 		taskENTER_CRITICAL_ISR( &xTaskQueueMutex );
 | |
| 		/* Increment the RTOS tick, switching the delayed and overflowed
 | |
| 		delayed lists if it wraps to 0. */
 | |
| 		++xTickCount;
 | |
| 		{
 | |
| 			/* Minor optimisation.  The tick count cannot change in this
 | |
| 			block. */
 | |
| 			const TickType_t xConstTickCount = xTickCount;
 | |
| 
 | |
| 			if( xConstTickCount == ( TickType_t ) 0U )
 | |
| 			{
 | |
| 				taskSWITCH_DELAYED_LISTS();
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 
 | |
| 			/* See if this tick has made a timeout expire.  Tasks are stored in
 | |
| 			the	queue in the order of their wake time - meaning once one task
 | |
| 			has been found whose block time has not expired there is no need to
 | |
| 			look any further down the list. */
 | |
| 			if( xConstTickCount >= xNextTaskUnblockTime )
 | |
| 			{
 | |
| 				for( ;; )
 | |
| 				{
 | |
| 					if( listLIST_IS_EMPTY( pxDelayedTaskList ) != pdFALSE )
 | |
| 					{
 | |
| 						/* The delayed list is empty.  Set xNextTaskUnblockTime
 | |
| 						to the maximum possible value so it is extremely
 | |
| 						unlikely that the
 | |
| 						if( xTickCount >= xNextTaskUnblockTime ) test will pass
 | |
| 						next time through. */
 | |
| 						xNextTaskUnblockTime = portMAX_DELAY;
 | |
| 						break;
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						/* The delayed list is not empty, get the value of the
 | |
| 						item at the head of the delayed list.  This is the time
 | |
| 						at which the task at the head of the delayed list must
 | |
| 						be removed from the Blocked state. */
 | |
| 						pxTCB = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList );
 | |
| 						xItemValue = listGET_LIST_ITEM_VALUE( &( pxTCB->xGenericListItem ) );
 | |
| 
 | |
| 						if( xConstTickCount < xItemValue )
 | |
| 						{
 | |
| 							/* It is not time to unblock this item yet, but the
 | |
| 							item value is the time at which the task at the head
 | |
| 							of the blocked list must be removed from the Blocked
 | |
| 							state -	so record the item value in
 | |
| 							xNextTaskUnblockTime. */
 | |
| 							xNextTaskUnblockTime = xItemValue;
 | |
| 							break;
 | |
| 						}
 | |
| 						else
 | |
| 						{
 | |
| 							mtCOVERAGE_TEST_MARKER();
 | |
| 						}
 | |
| 
 | |
| 						/* It is time to remove the item from the Blocked state. */
 | |
| 						( void ) uxListRemove( &( pxTCB->xGenericListItem ) );
 | |
| 
 | |
| 						/* Is the task waiting on an event also?  If so remove
 | |
| 						it from the event list. */
 | |
| 						if( listLIST_ITEM_CONTAINER( &( pxTCB->xEventListItem ) ) != NULL )
 | |
| 						{
 | |
| 							( void ) uxListRemove( &( pxTCB->xEventListItem ) );
 | |
| 						}
 | |
| 						else
 | |
| 						{
 | |
| 							mtCOVERAGE_TEST_MARKER();
 | |
| 						}
 | |
| 
 | |
| 						/* Place the unblocked task into the appropriate ready
 | |
| 						list. */
 | |
| 						prvAddTaskToReadyList( pxTCB );
 | |
| 
 | |
| 						/* A task being unblocked cannot cause an immediate
 | |
| 						context switch if preemption is turned off. */
 | |
| 						#if (  configUSE_PREEMPTION == 1 )
 | |
| 						{
 | |
| 							/* Preemption is on, but a context switch should
 | |
| 							only be performed if the unblocked task has a
 | |
| 							priority that is equal to or higher than the
 | |
| 							currently executing task. */
 | |
| 							if( pxTCB->uxPriority >= pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 							{
 | |
| 								xSwitchRequired = pdTRUE;
 | |
| 							}
 | |
| 							else
 | |
| 							{
 | |
| 								mtCOVERAGE_TEST_MARKER();
 | |
| 							}
 | |
| 						}
 | |
| 						#endif /* configUSE_PREEMPTION */
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		/* Tasks of equal priority to the currently running task will share
 | |
| 		processing time (time slice) if preemption is on, and the application
 | |
| 		writer has not explicitly turned time slicing off. */
 | |
| 		#if ( ( configUSE_PREEMPTION == 1 ) && ( configUSE_TIME_SLICING == 1 ) )
 | |
| 		{
 | |
| 			if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ pxCurrentTCB[ xPortGetCoreID() ]->uxPriority ] ) ) > ( UBaseType_t ) 1 )
 | |
| 			{
 | |
| 				xSwitchRequired = pdTRUE;
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		#endif /* ( ( configUSE_PREEMPTION == 1 ) && ( configUSE_TIME_SLICING == 1 ) ) */
 | |
| 
 | |
| 		taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		++uxPendedTicks;
 | |
| 	}
 | |
| 
 | |
| 	#if ( configUSE_PREEMPTION == 1 )
 | |
| 	{
 | |
| 		if( xYieldPending [ xPortGetCoreID() ] != pdFALSE )
 | |
| 		{
 | |
| 			xSwitchRequired = pdTRUE;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 	#endif /* configUSE_PREEMPTION */
 | |
| 
 | |
| 	return xSwitchRequired;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_APPLICATION_TASK_TAG == 1 )
 | |
| 
 | |
| 	void vTaskSetApplicationTaskTag( TaskHandle_t xTask, TaskHookFunction_t pxHookFunction )
 | |
| 	{
 | |
| 	TCB_t *xTCB;
 | |
| 
 | |
| 		/* If xTask is NULL then it is the task hook of the calling task that is
 | |
| 		getting set. */
 | |
| 		if( xTask == NULL )
 | |
| 		{
 | |
| 			xTCB = ( TCB_t * ) pxCurrentTCB[ xPortGetCoreID() ];
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xTCB = ( TCB_t * ) xTask;
 | |
| 		}
 | |
| 
 | |
| 		/* Save the hook function in the TCB.  A critical section is required as
 | |
| 		the value can be accessed from an interrupt. */
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 			xTCB->pxTaskTag = pxHookFunction;
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_APPLICATION_TASK_TAG */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_APPLICATION_TASK_TAG == 1 )
 | |
| 
 | |
| 	TaskHookFunction_t xTaskGetApplicationTaskTag( TaskHandle_t xTask )
 | |
| 	{
 | |
| 	TCB_t *xTCB;
 | |
| 	TaskHookFunction_t xReturn;
 | |
| 
 | |
| 		/* If xTask is NULL then we are setting our own task hook. */
 | |
| 		if( xTask == NULL )
 | |
| 		{
 | |
| 			xTCB = ( TCB_t * ) xTaskGetCurrentTaskHandle();
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xTCB = ( TCB_t * ) xTask;
 | |
| 		}
 | |
| 
 | |
| 		/* Save the hook function in the TCB.  A critical section is required as
 | |
| 		the value can be accessed from an interrupt. */
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			xReturn = xTCB->pxTaskTag;
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_APPLICATION_TASK_TAG */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_APPLICATION_TASK_TAG == 1 )
 | |
| 
 | |
| 	BaseType_t xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter )
 | |
| 	{
 | |
| 	TCB_t *xTCB;
 | |
| 	BaseType_t xReturn;
 | |
| 
 | |
| 		/* If xTask is NULL then we are calling our own task hook. */
 | |
| 		if( xTask == NULL )
 | |
| 		{
 | |
| 			xTCB = ( TCB_t * ) xTaskGetCurrentTaskHandle();
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xTCB = ( TCB_t * ) xTask;
 | |
| 		}
 | |
| 
 | |
| 		if( xTCB->pxTaskTag != NULL )
 | |
| 		{
 | |
| 			xReturn = xTCB->pxTaskTag( pvParameter );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xReturn = pdFAIL;
 | |
| 		}
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_APPLICATION_TASK_TAG */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| void vTaskSwitchContext( void )
 | |
| {
 | |
| 	//Theoretically, this is only called from either the tick interrupt or the crosscore interrupt, so disabling
 | |
| 	//interrupts shouldn't be necessary anymore. Still, for safety we'll leave it in for now.
 | |
| 	int irqstate=portENTER_CRITICAL_NESTED();
 | |
| 
 | |
| 	if( uxSchedulerSuspended[ xPortGetCoreID() ] != ( UBaseType_t ) pdFALSE )
 | |
| 	{
 | |
| 		/* The scheduler is currently suspended - do not allow a context
 | |
| 		switch. */
 | |
| 		xYieldPending[ xPortGetCoreID() ] = pdTRUE;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		xYieldPending[ xPortGetCoreID() ] = pdFALSE;
 | |
|         xSwitchingContext[ xPortGetCoreID() ] = pdTRUE;
 | |
| 		traceTASK_SWITCHED_OUT();
 | |
| 
 | |
| 		#if ( configGENERATE_RUN_TIME_STATS == 1 )
 | |
| 		{
 | |
| 				#ifdef portALT_GET_RUN_TIME_COUNTER_VALUE
 | |
| 					portALT_GET_RUN_TIME_COUNTER_VALUE( ulTotalRunTime );
 | |
| 				#else
 | |
| 					ulTotalRunTime = portGET_RUN_TIME_COUNTER_VALUE();
 | |
| 				#endif
 | |
| 
 | |
| 				/* Add the amount of time the task has been running to the
 | |
| 				accumulated time so far.  The time the task started running was
 | |
| 				stored in ulTaskSwitchedInTime.  Note that there is no overflow
 | |
| 				protection here so count values are only valid until the timer
 | |
| 				overflows.  The guard against negative values is to protect
 | |
| 				against suspect run time stat counter implementations - which
 | |
| 				are provided by the application, not the kernel. */
 | |
| 				taskENTER_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 				if( ulTotalRunTime > ulTaskSwitchedInTime[ xPortGetCoreID() ] )
 | |
| 				{
 | |
| 					pxCurrentTCB[ xPortGetCoreID() ]->ulRunTimeCounter += ( ulTotalRunTime - ulTaskSwitchedInTime[ xPortGetCoreID() ] );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 				taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 				ulTaskSwitchedInTime[ xPortGetCoreID() ] = ulTotalRunTime;
 | |
| 		}
 | |
| 		#endif /* configGENERATE_RUN_TIME_STATS */
 | |
| 
 | |
| 		/* Check for stack overflow, if configured. */
 | |
| 		taskFIRST_CHECK_FOR_STACK_OVERFLOW();
 | |
| 		taskSECOND_CHECK_FOR_STACK_OVERFLOW();
 | |
| 
 | |
| 		/* Select a new task to run */
 | |
| 
 | |
| 		/*
 | |
| 		 We cannot do taskENTER_CRITICAL_ISR(&xTaskQueueMutex); here because it saves the interrupt context to the task tcb, and we're
 | |
| 		 swapping that out here. Instead, we're going to do the work here ourselves. Because interrupts are already disabled, we only
 | |
| 		 need to acquire the mutex.
 | |
| 		*/
 | |
| 		vPortCPUAcquireMutex( &xTaskQueueMutex );
 | |
| 
 | |
| #if !configUSE_PORT_OPTIMISED_TASK_SELECTION
 | |
| 		unsigned portBASE_TYPE foundNonExecutingWaiter = pdFALSE, ableToSchedule = pdFALSE, resetListHead;
 | |
| 		unsigned portBASE_TYPE holdTop=pdFALSE;
 | |
| 		tskTCB * pxTCB;
 | |
| 
 | |
| 		portBASE_TYPE uxDynamicTopReady = uxTopReadyPriority;
 | |
| 		/*
 | |
| 		 *  ToDo: This scheduler doesn't correctly implement the round-robin scheduling as done in the single-core
 | |
| 		 *  FreeRTOS stack when multiple tasks have the same priority and are all ready; it just keeps grabbing the
 | |
| 		 *  first one. ToDo: fix this.
 | |
| 		 *  (Is this still true? if any, there's the issue with one core skipping over the processes for the other
 | |
| 		 *  core, potentially not giving the skipped-over processes any time.)
 | |
| 		 */
 | |
| 
 | |
| 		while ( ableToSchedule == pdFALSE && uxDynamicTopReady >= 0 )
 | |
| 		{
 | |
| 			resetListHead = pdFALSE;
 | |
| 			// Nothing to do for empty lists
 | |
| 			if (!listLIST_IS_EMPTY( &( pxReadyTasksLists[ uxDynamicTopReady ] ) )) {
 | |
| 
 | |
| 				ableToSchedule = pdFALSE;
 | |
| 				tskTCB * pxRefTCB;
 | |
| 
 | |
| 				/* Remember the current list item so that we
 | |
| 				can detect if all items have been inspected.
 | |
| 				Once this happens, we move on to a lower
 | |
| 				priority list (assuming nothing is suitable
 | |
| 				for scheduling). Note: This can return NULL if
 | |
| 				the list index is at the listItem */
 | |
| 				pxRefTCB = pxReadyTasksLists[ uxDynamicTopReady ].pxIndex->pvOwner;
 | |
| 
 | |
| 				if ((void*)pxReadyTasksLists[ uxDynamicTopReady ].pxIndex==(void*)&pxReadyTasksLists[ uxDynamicTopReady ].xListEnd) {
 | |
| 					//pxIndex points to the list end marker. Skip that and just get the next item.
 | |
| 					listGET_OWNER_OF_NEXT_ENTRY( pxRefTCB, &( pxReadyTasksLists[ uxDynamicTopReady ] ) );
 | |
| 				}
 | |
| 
 | |
| 				do {
 | |
| 					listGET_OWNER_OF_NEXT_ENTRY( pxTCB, &( pxReadyTasksLists[ uxDynamicTopReady ] ) );
 | |
| 					/* Find out if the next task in the list is
 | |
| 					already being executed by another core */
 | |
| 					foundNonExecutingWaiter = pdTRUE;
 | |
| 					portBASE_TYPE i = 0;
 | |
| 					for ( i=0; i<portNUM_PROCESSORS; i++ ) {
 | |
| 						if (i == xPortGetCoreID()) {
 | |
| 							continue;
 | |
| 						} else if (pxCurrentTCB[i] == pxTCB) {
 | |
| 							holdTop=pdTRUE; //keep this as the top prio, for the other CPU
 | |
| 							foundNonExecutingWaiter = pdFALSE;
 | |
| 							break;
 | |
| 						}
 | |
| 					}
 | |
| 
 | |
| 					if (foundNonExecutingWaiter == pdTRUE) {
 | |
| 						/* If the task is not being executed
 | |
| 						by another core and its affinity is
 | |
| 						compatible with the current one,
 | |
| 						prepare it to be swapped in */
 | |
| 						if (pxTCB->xCoreID == tskNO_AFFINITY) {
 | |
| 							pxCurrentTCB[xPortGetCoreID()] = pxTCB;
 | |
| 							ableToSchedule = pdTRUE;
 | |
| 						} else if (pxTCB->xCoreID == xPortGetCoreID()) {
 | |
| 							pxCurrentTCB[xPortGetCoreID()] = pxTCB;
 | |
| 							ableToSchedule = pdTRUE;
 | |
| 						} else {
 | |
| 							ableToSchedule = pdFALSE;
 | |
| 							holdTop=pdTRUE; //keep this as the top prio, for the other CPU
 | |
| 						}
 | |
| 					} else {
 | |
| 						ableToSchedule = pdFALSE;
 | |
| 					}
 | |
| 
 | |
| 					if (ableToSchedule == pdFALSE) {
 | |
| 						resetListHead = pdTRUE;
 | |
| 					} else if ((ableToSchedule == pdTRUE) && (resetListHead == pdTRUE)) {
 | |
| 						tskTCB * pxResetTCB;
 | |
| 						do {
 | |
| 							listGET_OWNER_OF_NEXT_ENTRY( pxResetTCB, &( pxReadyTasksLists[ uxDynamicTopReady ] ) );
 | |
| 						} while(pxResetTCB != pxRefTCB);
 | |
| 					}
 | |
| 				} while ((ableToSchedule == pdFALSE) && (pxTCB != pxRefTCB));
 | |
| 			} else {
 | |
| 				if (!holdTop) --uxTopReadyPriority;
 | |
| 			}
 | |
| 			--uxDynamicTopReady;
 | |
| 		}
 | |
| 
 | |
| #else 
 | |
| 		//For Unicore targets we can keep the current FreeRTOS O(1)
 | |
| 		//Scheduler. I hope to optimize better the scheduler for 
 | |
| 		//Multicore settings -- This will involve to create a per
 | |
| 		//affinity ready task list which will impact hugely on 
 | |
| 		//tasks module
 | |
| 		taskSELECT_HIGHEST_PRIORITY_TASK();
 | |
| #endif
 | |
| 		traceTASK_SWITCHED_IN();
 | |
|         xSwitchingContext[ xPortGetCoreID() ] = pdFALSE;
 | |
| 
 | |
| 		//Exit critical region manually as well: release the mux now, interrupts will be re-enabled when we
 | |
| 		//exit the function.
 | |
| 		vPortCPUReleaseMutex( &xTaskQueueMutex );
 | |
| 
 | |
| 
 | |
| #if CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK
 | |
| 		vPortSetStackWatchpoint(pxCurrentTCB[xPortGetCoreID()]->pxStack);
 | |
| #endif
 | |
| 
 | |
| 	}
 | |
| 	portEXIT_CRITICAL_NESTED(irqstate);
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| void vTaskPlaceOnEventList( List_t * const pxEventList, const TickType_t xTicksToWait )
 | |
| {
 | |
| TickType_t xTimeToWake;
 | |
| 
 | |
| 	configASSERT( pxEventList );
 | |
| 
 | |
| 	taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 	/* Place the event list item of the TCB in the appropriate event list.
 | |
| 	This is placed in the list in priority order so the highest priority task
 | |
| 	is the first to be woken by the event.  The queue that contains the event
 | |
| 	list is locked, preventing simultaneous access from interrupts. */
 | |
| 	vListInsert( pxEventList, &( pxCurrentTCB[ xPortGetCoreID() ]->xEventListItem ) );
 | |
| 
 | |
| 	/* The task must be removed from from the ready list before it is added to
 | |
| 	the blocked list as the same list item is used for both lists.  Exclusive
 | |
| 	access to the ready lists guaranteed because the scheduler is locked. */
 | |
| 	if( uxListRemove( &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 	{
 | |
| 		/* The current task must be in a ready list, so there is no need to
 | |
| 		check, and the port reset macro can be called directly. */
 | |
| 		portRESET_READY_PRIORITY( pxCurrentTCB[ xPortGetCoreID() ]->uxPriority, uxTopReadyPriority );
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		mtCOVERAGE_TEST_MARKER();
 | |
| 	}
 | |
| 
 | |
| 	#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 	{
 | |
| 		if( xTicksToWait == portMAX_DELAY )
 | |
| 		{
 | |
| 			/* Add the task to the suspended task list instead of a delayed task
 | |
| 			list to ensure the task is not woken by a timing event.  It will
 | |
| 			block indefinitely. */
 | |
|             traceMOVED_TASK_TO_SUSPENDED_LIST(pxCurrentTCB[ xPortGetCoreID() ]);
 | |
| 			vListInsertEnd( &xSuspendedTaskList, &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			/* Calculate the time at which the task should be woken if the event
 | |
| 			does not occur.  This may overflow but this doesn't matter, the
 | |
| 			scheduler will handle it. */
 | |
| 			xTimeToWake = xTickCount + xTicksToWait;
 | |
| 			prvAddCurrentTaskToDelayedList( xPortGetCoreID(), xTimeToWake );
 | |
| 		}
 | |
| 	}
 | |
| 	#else /* INCLUDE_vTaskSuspend */
 | |
| 	{
 | |
| 			/* Calculate the time at which the task should be woken if the event does
 | |
| 			not occur.  This may overflow but this doesn't matter, the scheduler
 | |
| 			will handle it. */
 | |
| 			xTimeToWake = xTickCount + xTicksToWait;
 | |
| 			prvAddCurrentTaskToDelayedList( xTimeToWake );
 | |
| 	}
 | |
| 	#endif /* INCLUDE_vTaskSuspend */
 | |
| 
 | |
| 	taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| void vTaskPlaceOnUnorderedEventList( List_t * pxEventList, const TickType_t xItemValue, const TickType_t xTicksToWait )
 | |
| {
 | |
| TickType_t xTimeToWake;
 | |
| 
 | |
| 	configASSERT( pxEventList );
 | |
| 
 | |
| 	taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 	/* THIS FUNCTION MUST BE CALLED WITH THE SCHEDULER SUSPENDED.  It is used by
 | |
| 	the event groups implementation. */
 | |
| 	configASSERT( uxSchedulerSuspended[ xPortGetCoreID() ] != 0 );
 | |
| 
 | |
| 	/* Store the item value in the event list item.  It is safe to access the
 | |
| 	event list item here as interrupts won't access the event list item of a
 | |
| 	task that is not in the Blocked state. */
 | |
| 	listSET_LIST_ITEM_VALUE( &( pxCurrentTCB[ xPortGetCoreID() ]->xEventListItem ), xItemValue | taskEVENT_LIST_ITEM_VALUE_IN_USE );
 | |
| 
 | |
| 	/* Place the event list item of the TCB at the end of the appropriate event
 | |
| 	list.  It is safe to access the event list here because it is part of an
 | |
| 	event group implementation - and interrupts don't access event groups
 | |
| 	directly (instead they access them indirectly by pending function calls to
 | |
| 	the task level). */
 | |
| 	vListInsertEnd( pxEventList, &( pxCurrentTCB[ xPortGetCoreID() ]->xEventListItem ) );
 | |
| 
 | |
| 	/* The task must be removed from the ready list before it is added to the
 | |
| 	blocked list.  Exclusive access can be assured to the ready list as the
 | |
| 	scheduler is locked. */
 | |
| 	if( uxListRemove( &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 	{
 | |
| 		/* The current task must be in a ready list, so there is no need to
 | |
| 		check, and the port reset macro can be called directly. */
 | |
| 		portRESET_READY_PRIORITY( pxCurrentTCB[ xPortGetCoreID() ]->uxPriority, uxTopReadyPriority );
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		mtCOVERAGE_TEST_MARKER();
 | |
| 	}
 | |
| 
 | |
| 	#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 	{
 | |
| 		if( xTicksToWait == portMAX_DELAY )
 | |
| 		{
 | |
| 			/* Add the task to the suspended task list instead of a delayed task
 | |
| 			list to ensure it is not woken by a timing event.  It will block
 | |
| 			indefinitely. */
 | |
| 			vListInsertEnd( &xSuspendedTaskList, &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			/* Calculate the time at which the task should be woken if the event
 | |
| 			does not occur.  This may overflow but this doesn't matter, the
 | |
| 			kernel will manage it correctly. */
 | |
| 			xTimeToWake = xTickCount + xTicksToWait;
 | |
| 			prvAddCurrentTaskToDelayedList( xPortGetCoreID(), xTimeToWake );
 | |
| 		}
 | |
| 	}
 | |
| 	#else /* INCLUDE_vTaskSuspend */
 | |
| 	{
 | |
| 			/* Calculate the time at which the task should be woken if the event does
 | |
| 			not occur.  This may overflow but this doesn't matter, the kernel
 | |
| 			will manage it correctly. */
 | |
| 			xTimeToWake = xTickCount + xTicksToWait;
 | |
| 			prvAddCurrentTaskToDelayedList( xTimeToWake );
 | |
| 	}
 | |
| 	#endif /* INCLUDE_vTaskSuspend */
 | |
| 
 | |
| 	taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if configUSE_TIMERS == 1
 | |
| 
 | |
| 	void vTaskPlaceOnEventListRestricted( List_t * const pxEventList, const TickType_t xTicksToWait )
 | |
| 	{
 | |
| 	TickType_t xTimeToWake;
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		configASSERT( pxEventList );
 | |
| 
 | |
| 		/* This function should not be called by application code hence the
 | |
| 		'Restricted' in its name.  It is not part of the public API.  It is
 | |
| 		designed for use by kernel code, and has special calling requirements -
 | |
| 		it should be called from a critical section. */
 | |
| 
 | |
| 
 | |
| 		/* Place the event list item of the TCB in the appropriate event list.
 | |
| 		In this case it is assume that this is the only task that is going to
 | |
| 		be waiting on this event list, so the faster vListInsertEnd() function
 | |
| 		can be used in place of vListInsert. */
 | |
| 		vListInsertEnd( pxEventList, &( pxCurrentTCB[ xPortGetCoreID() ]->xEventListItem ) );
 | |
| 
 | |
| 		/* We must remove this task from the ready list before adding it to the
 | |
| 		blocked list as the same list item is used for both lists.  This
 | |
| 		function is called form a critical section. */
 | |
| 		if( uxListRemove( &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 		{
 | |
| 			/* The current task must be in a ready list, so there is no need to
 | |
| 			check, and the port reset macro can be called directly. */
 | |
| 			portRESET_READY_PRIORITY( pxCurrentTCB[ xPortGetCoreID() ]->uxPriority, uxTopReadyPriority );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 
 | |
| 		/* Calculate the time at which the task should be woken if the event does
 | |
| 		not occur.  This may overflow but this doesn't matter. */
 | |
| 		xTimeToWake = xTickCount + xTicksToWait;
 | |
| 
 | |
| 		traceTASK_DELAY_UNTIL();
 | |
| 		prvAddCurrentTaskToDelayedList( xPortGetCoreID(), xTimeToWake );
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TIMERS */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| BaseType_t xTaskRemoveFromEventList( const List_t * const pxEventList )
 | |
| {
 | |
| TCB_t *pxUnblockedTCB;
 | |
| BaseType_t xReturn;
 | |
| BaseType_t xTaskCanBeReady;
 | |
| UBaseType_t i, uxTargetCPU;
 | |
| 
 | |
| 	/* THIS FUNCTION MUST BE CALLED FROM A CRITICAL SECTION.  It can also be
 | |
| 	called from a critical section within an ISR. */
 | |
| 	taskENTER_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 	/* The event list is sorted in priority order, so the first in the list can
 | |
| 	be removed as it is known to be the highest priority.  Remove the TCB from
 | |
| 	the delayed list, and add it to the ready list.
 | |
| 
 | |
| 	If an event is for a queue that is locked then this function will never
 | |
| 	get called - the lock count on the queue will get modified instead.  This
 | |
| 	means exclusive access to the event list is guaranteed here.
 | |
| 
 | |
| 	This function assumes that a check has already been made to ensure that
 | |
| 	pxEventList is not empty. */
 | |
| 	if ( ( listLIST_IS_EMPTY( pxEventList ) ) == pdFALSE ) {
 | |
| 		pxUnblockedTCB = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxEventList );
 | |
| 		configASSERT( pxUnblockedTCB );
 | |
| 		( void ) uxListRemove( &( pxUnblockedTCB->xEventListItem ) );
 | |
| 	} else {
 | |
| 		taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 		return pdFALSE;
 | |
| 	}
 | |
| 
 | |
| 	/* Determine if the task can possibly be run on either CPU now, either because the scheduler
 | |
| 	   the task is pinned to is running or because a scheduler is running on any CPU. */
 | |
| 	xTaskCanBeReady = pdFALSE;
 | |
| 	if ( pxUnblockedTCB->xCoreID == tskNO_AFFINITY ) {
 | |
| 		uxTargetCPU = xPortGetCoreID();
 | |
| 		for (i = 0; i < portNUM_PROCESSORS; i++) {
 | |
| 			if ( uxSchedulerSuspended[ i ] == ( UBaseType_t ) pdFALSE ) {
 | |
| 				xTaskCanBeReady = pdTRUE;
 | |
| 				break;
 | |
| 			}
 | |
| 		}
 | |
| 	} else {
 | |
| 		uxTargetCPU = pxUnblockedTCB->xCoreID;
 | |
| 		xTaskCanBeReady = uxSchedulerSuspended[ uxTargetCPU ] == ( UBaseType_t ) pdFALSE;
 | |
| 
 | |
| 	}
 | |
| 
 | |
| 	if( xTaskCanBeReady )
 | |
| 	{
 | |
| 		( void ) uxListRemove( &( pxUnblockedTCB->xGenericListItem ) );
 | |
| 		prvAddTaskToReadyList( pxUnblockedTCB );
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		/* The delayed and ready lists cannot be accessed, so hold this task
 | |
| 		pending until the scheduler is resumed on this CPU. */
 | |
| 		vListInsertEnd( &( xPendingReadyList[ uxTargetCPU ] ), &( pxUnblockedTCB->xEventListItem ) );
 | |
| 	}
 | |
| 
 | |
| 	if ( tskCAN_RUN_HERE(pxUnblockedTCB->xCoreID) && pxUnblockedTCB->uxPriority >= pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 	{
 | |
| 		/* Return true if the task removed from the event list has a higher
 | |
| 		priority than the calling task.  This allows the calling task to know if
 | |
| 		it should force a context switch now. */
 | |
| 		xReturn = pdTRUE;
 | |
| 
 | |
| 		/* Mark that a yield is pending in case the user is not using the
 | |
| 		"xHigherPriorityTaskWoken" parameter to an ISR safe FreeRTOS function. */
 | |
| 		xYieldPending[ xPortGetCoreID() ] = pdTRUE;
 | |
| 	}
 | |
| 	else if ( pxUnblockedTCB->xCoreID != xPortGetCoreID() )
 | |
| 	{
 | |
| 		taskYIELD_OTHER_CORE( pxUnblockedTCB->xCoreID, pxUnblockedTCB->uxPriority );
 | |
| 		xReturn = pdFALSE;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		xReturn = pdFALSE;
 | |
| 	}
 | |
| 
 | |
| 	#if( configUSE_TICKLESS_IDLE == 1 )
 | |
| 	{
 | |
| 		/* If a task is blocked on a kernel object then xNextTaskUnblockTime
 | |
| 		might be set to the blocked task's time out time.  If the task is
 | |
| 		unblocked for a reason other than a timeout xNextTaskUnblockTime is
 | |
| 		normally left unchanged, because it is automatically get reset to a new
 | |
| 		value when the tick count equals xNextTaskUnblockTime.  However if
 | |
| 		tickless idling is used it might be more important to enter sleep mode
 | |
| 		at the earliest possible time - so reset xNextTaskUnblockTime here to
 | |
| 		ensure it is updated at the earliest possible time. */
 | |
| 		prvResetNextTaskUnblockTime();
 | |
| 	}
 | |
| 	#endif
 | |
| 	taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 
 | |
| 	return xReturn;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| BaseType_t xTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem, const TickType_t xItemValue )
 | |
| {
 | |
| TCB_t *pxUnblockedTCB;
 | |
| BaseType_t xReturn;
 | |
| 
 | |
| 	taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 	/* THIS FUNCTION MUST BE CALLED WITH THE SCHEDULER SUSPENDED.  It is used by
 | |
| 	the event flags implementation. */
 | |
| 	configASSERT( uxSchedulerSuspended[ xPortGetCoreID() ] != pdFALSE );
 | |
| 
 | |
| 	/* Store the new item value in the event list. */
 | |
| 	listSET_LIST_ITEM_VALUE( pxEventListItem, xItemValue | taskEVENT_LIST_ITEM_VALUE_IN_USE );
 | |
| 
 | |
| 	/* Remove the event list form the event flag.  Interrupts do not access
 | |
| 	event flags. */
 | |
| 	pxUnblockedTCB = ( TCB_t * ) listGET_LIST_ITEM_OWNER( pxEventListItem );
 | |
| 	configASSERT( pxUnblockedTCB );
 | |
| 	( void ) uxListRemove( pxEventListItem );
 | |
| 
 | |
| 	/* Remove the task from the delayed list and add it to the ready list.  The
 | |
| 	scheduler is suspended so interrupts will not be accessing the ready
 | |
| 	lists. */
 | |
| 	( void ) uxListRemove( &( pxUnblockedTCB->xGenericListItem ) );
 | |
| 	prvAddTaskToReadyList( pxUnblockedTCB );
 | |
| 
 | |
| 	if ( tskCAN_RUN_HERE(pxUnblockedTCB->xCoreID) && pxUnblockedTCB->uxPriority >= pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 	{
 | |
| 		/* Return true if the task removed from the event list has
 | |
| 		a higher priority than the calling task.  This allows
 | |
| 		the calling task to know if it should force a context
 | |
| 		switch now. */
 | |
| 		xReturn = pdTRUE;
 | |
| 
 | |
| 		/* Mark that a yield is pending in case the user is not using the
 | |
| 		"xHigherPriorityTaskWoken" parameter to an ISR safe FreeRTOS function. */
 | |
| 		xYieldPending[ xPortGetCoreID() ] = pdTRUE;
 | |
| 	}
 | |
| 	else if ( pxUnblockedTCB->xCoreID != xPortGetCoreID() )
 | |
| 	{
 | |
| 		taskYIELD_OTHER_CORE( pxUnblockedTCB->xCoreID, pxUnblockedTCB->uxPriority );
 | |
| 		xReturn = pdFALSE;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		xReturn = pdFALSE;
 | |
| 	}
 | |
| 
 | |
| 	taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 	return xReturn;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| void vTaskSetTimeOutState( TimeOut_t * const pxTimeOut )
 | |
| {
 | |
| 	configASSERT( pxTimeOut );
 | |
| 	pxTimeOut->xOverflowCount = xNumOfOverflows;
 | |
| 	pxTimeOut->xTimeOnEntering = xTickCount;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| BaseType_t xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait )
 | |
| {
 | |
| BaseType_t xReturn;
 | |
| 
 | |
| 	configASSERT( pxTimeOut );
 | |
| 	configASSERT( pxTicksToWait );
 | |
| 
 | |
| 	taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 	{
 | |
| 		/* Minor optimisation.  The tick count cannot change in this block. */
 | |
| 		const TickType_t xConstTickCount = xTickCount;
 | |
| 
 | |
| 		#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 			/* If INCLUDE_vTaskSuspend is set to 1 and the block time specified is
 | |
| 			the maximum block time then the task should block indefinitely, and
 | |
| 			therefore never time out. */
 | |
| 			if( *pxTicksToWait == portMAX_DELAY )
 | |
| 			{
 | |
| 				xReturn = pdFALSE;
 | |
| 			}
 | |
| 			else /* We are not blocking indefinitely, perform the checks below. */
 | |
| 		#endif
 | |
| 
 | |
| 		if( ( xNumOfOverflows != pxTimeOut->xOverflowCount ) && ( xConstTickCount >= pxTimeOut->xTimeOnEntering ) ) /*lint !e525 Indentation preferred as is to make code within pre-processor directives clearer. */
 | |
| 		{
 | |
| 			/* The tick count is greater than the time at which vTaskSetTimeout()
 | |
| 			was called, but has also overflowed since vTaskSetTimeOut() was called.
 | |
| 			It must have wrapped all the way around and gone past us again. This
 | |
| 			passed since vTaskSetTimeout() was called. */
 | |
| 			xReturn = pdTRUE;
 | |
| 		}
 | |
| 		else if( ( xConstTickCount - pxTimeOut->xTimeOnEntering ) < *pxTicksToWait )
 | |
| 		{
 | |
| 			/* Not a genuine timeout. Adjust parameters for time remaining. */
 | |
| 			*pxTicksToWait -= ( xConstTickCount -  pxTimeOut->xTimeOnEntering );
 | |
| 			vTaskSetTimeOutState( pxTimeOut );
 | |
| 			xReturn = pdFALSE;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			xReturn = pdTRUE;
 | |
| 		}
 | |
| 	}
 | |
| 	taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 	return xReturn;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| void vTaskMissedYield( void )
 | |
| {
 | |
| 	xYieldPending[ xPortGetCoreID() ] = pdTRUE;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_TRACE_FACILITY == 1 )
 | |
| 
 | |
| 	UBaseType_t uxTaskGetTaskNumber( TaskHandle_t xTask )
 | |
| 	{
 | |
| 	UBaseType_t uxReturn;
 | |
| 	TCB_t *pxTCB;
 | |
| 
 | |
| 		if( xTask != NULL )
 | |
| 		{
 | |
| 			pxTCB = ( TCB_t * ) xTask;
 | |
| 			uxReturn = pxTCB->uxTaskNumber;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			uxReturn = 0U;
 | |
| 		}
 | |
| 
 | |
| 		return uxReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TRACE_FACILITY */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_TRACE_FACILITY == 1 )
 | |
| 
 | |
| 	void vTaskSetTaskNumber( TaskHandle_t xTask, const UBaseType_t uxHandle )
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 
 | |
| 		if( xTask != NULL )
 | |
| 		{
 | |
| 			pxTCB = ( TCB_t * ) xTask;
 | |
| 			pxTCB->uxTaskNumber = uxHandle;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TRACE_FACILITY */
 | |
| 
 | |
| /*
 | |
|  * -----------------------------------------------------------
 | |
|  * The Idle task.
 | |
|  * ----------------------------------------------------------
 | |
|  *
 | |
|  * The portTASK_FUNCTION() macro is used to allow port/compiler specific
 | |
|  * language extensions.  The equivalent prototype for this function is:
 | |
|  *
 | |
|  * void prvIdleTask( void *pvParameters );
 | |
|  *
 | |
|  */
 | |
| static portTASK_FUNCTION( prvIdleTask, pvParameters )
 | |
| {
 | |
| 	/* Stop warnings. */
 | |
| 	( void ) pvParameters;
 | |
| 
 | |
| 	for( ;; )
 | |
| 	{
 | |
| 		/* See if any tasks have been deleted. */
 | |
| 		prvCheckTasksWaitingTermination();
 | |
| 
 | |
| 		#if ( configUSE_PREEMPTION == 0 )
 | |
| 		{
 | |
| 			/* If we are not using preemption we keep forcing a task switch to
 | |
| 			see if any other task has become available.  If we are using
 | |
| 			preemption we don't need to do this as any task becoming available
 | |
| 			will automatically get the processor anyway. */
 | |
| 			taskYIELD();
 | |
| 		}
 | |
| 		#endif /* configUSE_PREEMPTION */
 | |
| 
 | |
| 		#if ( ( configUSE_PREEMPTION == 1 ) && ( configIDLE_SHOULD_YIELD == 1 ) )
 | |
| 		{
 | |
| 			/* When using preemption tasks of equal priority will be
 | |
| 			timesliced.  If a task that is sharing the idle priority is ready
 | |
| 			to run then the idle task should yield before the end of the
 | |
| 			timeslice.
 | |
| 
 | |
| 			A critical region is not required here as we are just reading from
 | |
| 			the list, and an occasional incorrect value will not matter.  If
 | |
| 			the ready list at the idle priority contains more than one task
 | |
| 			then a task other than the idle task is ready to execute. */
 | |
| 			if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ tskIDLE_PRIORITY ] ) ) > ( UBaseType_t ) 1 )
 | |
| 			{
 | |
| 				taskYIELD();
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		#endif /* ( ( configUSE_PREEMPTION == 1 ) && ( configIDLE_SHOULD_YIELD == 1 ) ) */
 | |
| 
 | |
| 		#if ( configUSE_IDLE_HOOK == 1 )
 | |
| 		{
 | |
| 			extern void vApplicationIdleHook( void );
 | |
| 
 | |
| 			/* Call the user defined function from within the idle task.  This
 | |
| 			allows the application designer to add background functionality
 | |
| 			without the overhead of a separate task.
 | |
| 			NOTE: vApplicationIdleHook() MUST NOT, UNDER ANY CIRCUMSTANCES,
 | |
| 			CALL A FUNCTION THAT MIGHT BLOCK. */
 | |
| 			vApplicationIdleHook();
 | |
| 		}
 | |
| 		#endif /* configUSE_IDLE_HOOK */
 | |
| 		#if ( CONFIG_FREERTOS_LEGACY_HOOKS == 1 )
 | |
| 		{
 | |
| 			/* Call the esp-idf hook system */
 | |
| 			esp_vApplicationIdleHook();
 | |
| 		}
 | |
| 		#endif /* CONFIG_FREERTOS_LEGACY_HOOKS */
 | |
| 
 | |
| 
 | |
| 		/* This conditional compilation should use inequality to 0, not equality
 | |
| 		to 1.  This is to ensure portSUPPRESS_TICKS_AND_SLEEP() is called when
 | |
| 		user defined low power mode	implementations require
 | |
| 		configUSE_TICKLESS_IDLE to be set to a value other than 1. */
 | |
| 		#if ( configUSE_TICKLESS_IDLE != 0 )
 | |
| 		{
 | |
| 		TickType_t xExpectedIdleTime;
 | |
| 
 | |
| 			/* It is not desirable to suspend then resume the scheduler on
 | |
| 			each iteration of the idle task.  Therefore, a preliminary
 | |
| 			test of the expected idle time is performed without the
 | |
| 			scheduler suspended.  The result here is not necessarily
 | |
| 			valid. */
 | |
| 			xExpectedIdleTime = prvGetExpectedIdleTime();
 | |
| 
 | |
| 			if( xExpectedIdleTime >= configEXPECTED_IDLE_TIME_BEFORE_SLEEP )
 | |
| 			{
 | |
| 				taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 				{
 | |
| 					/* Now the scheduler is suspended, the expected idle
 | |
| 					time can be sampled again, and this time its value can
 | |
| 					be used. */
 | |
| 					configASSERT( xNextTaskUnblockTime >= xTickCount );
 | |
| 					xExpectedIdleTime = prvGetExpectedIdleTime();
 | |
| 
 | |
| 					if( xExpectedIdleTime >= configEXPECTED_IDLE_TIME_BEFORE_SLEEP )
 | |
| 					{
 | |
| 						traceLOW_POWER_IDLE_BEGIN();
 | |
| 						portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime );
 | |
| 						traceLOW_POWER_IDLE_END();
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 				}
 | |
| 				taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		#endif /* configUSE_TICKLESS_IDLE */
 | |
| 	}
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if configUSE_TICKLESS_IDLE != 0
 | |
| 
 | |
| 	eSleepModeStatus eTaskConfirmSleepModeStatus( void )
 | |
| 	{
 | |
| 	eSleepModeStatus eReturn = eStandardSleep;
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		if( listCURRENT_LIST_LENGTH( &xPendingReadyList[ xPortGetCoreID() ] ) != 0 )
 | |
| 		{
 | |
| 			/* A task was made ready while the scheduler was suspended. */
 | |
| 			eReturn = eAbortSleep;
 | |
| 		}
 | |
| 		else if( xYieldPending[ xPortGetCoreID() ] != pdFALSE )
 | |
| 		{
 | |
| 			/* A yield was pended while the scheduler was suspended. */
 | |
| 			eReturn = eAbortSleep;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			#if configUSE_TIMERS == 0
 | |
| 			{
 | |
| 				/* The idle task exists in addition to the application tasks. */
 | |
| 				const UBaseType_t uxNonApplicationTasks = 1;
 | |
| 
 | |
| 				/* If timers are not being used and all the tasks are in the
 | |
| 				suspended list (which might mean they have an infinite block
 | |
| 				time rather than actually being suspended) then it is safe to
 | |
| 				turn all clocks off and just wait for external interrupts. */
 | |
| 				if( listCURRENT_LIST_LENGTH( &xSuspendedTaskList ) == ( uxCurrentNumberOfTasks - uxNonApplicationTasks ) )
 | |
| 				{
 | |
| 					eReturn = eNoTasksWaitingTimeout;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 			#endif /* configUSE_TIMERS */
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		return eReturn;
 | |
| 	}
 | |
| #endif /* configUSE_TICKLESS_IDLE */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS != 0 )
 | |
| 
 | |
| #if ( configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS )
 | |
| 
 | |
| 	void vTaskSetThreadLocalStoragePointerAndDelCallback( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue , TlsDeleteCallbackFunction_t xDelCallback)
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 
 | |
| 		if( xIndex < configNUM_THREAD_LOCAL_STORAGE_POINTERS )
 | |
| 		{
 | |
| 			taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 			pxTCB = prvGetTCBFromHandle( xTaskToSet );
 | |
| 			pxTCB->pvThreadLocalStoragePointers[ xIndex ] = pvValue;
 | |
| 			pxTCB->pvThreadLocalStoragePointersDelCallback[ xIndex ] = xDelCallback;
 | |
| 			taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	void vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue )
 | |
| 	{
 | |
| 		vTaskSetThreadLocalStoragePointerAndDelCallback( xTaskToSet, xIndex, pvValue, (TlsDeleteCallbackFunction_t)NULL );
 | |
| 	}
 | |
| 
 | |
| 
 | |
| #else
 | |
| 	void vTaskSetThreadLocalStoragePointer( TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue )
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 
 | |
| 		if( xIndex < configNUM_THREAD_LOCAL_STORAGE_POINTERS )
 | |
| 		{
 | |
| 			taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 			pxTCB = prvGetTCBFromHandle( xTaskToSet );
 | |
| 			pxTCB->pvThreadLocalStoragePointers[ xIndex ] = pvValue;
 | |
| 			taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 		}
 | |
| 	}
 | |
| #endif /* configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS */
 | |
| 
 | |
| #endif /* configNUM_THREAD_LOCAL_STORAGE_POINTERS */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS != 0 )
 | |
| 
 | |
| 	void *pvTaskGetThreadLocalStoragePointer( TaskHandle_t xTaskToQuery, BaseType_t xIndex )
 | |
| 	{
 | |
| 	void *pvReturn = NULL;
 | |
| 	TCB_t *pxTCB;
 | |
| 
 | |
| 		if( xIndex < configNUM_THREAD_LOCAL_STORAGE_POINTERS )
 | |
| 		{
 | |
| 			pxTCB = prvGetTCBFromHandle( xTaskToQuery );
 | |
| 			pvReturn = pxTCB->pvThreadLocalStoragePointers[ xIndex ];
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			pvReturn = NULL;
 | |
| 		}
 | |
| 
 | |
| 		return pvReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configNUM_THREAD_LOCAL_STORAGE_POINTERS */
 | |
| 
 | |
| 
 | |
| #if ( portUSING_MPU_WRAPPERS == 1 )
 | |
| /* ToDo: Check for multicore */
 | |
| 	void vTaskAllocateMPURegions( TaskHandle_t xTaskToModify, const MemoryRegion_t * const xRegions )
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 
 | |
| 		UNTESTED_FUNCTION();
 | |
| 		/* If null is passed in here then we are deleting ourselves. */
 | |
| 		pxTCB = prvGetTCBFromHandle( xTaskToModify );
 | |
| 
 | |
|         vPortStoreTaskMPUSettings( &( pxTCB->xMPUSettings ), xRegions, NULL, 0 );
 | |
| 	}
 | |
| 
 | |
| #endif /* portUSING_MPU_WRAPPERS */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| static void prvInitialiseTaskLists( void )
 | |
| {
 | |
| UBaseType_t uxPriority;
 | |
| 
 | |
| 	for( uxPriority = ( UBaseType_t ) 0U; uxPriority < ( UBaseType_t ) configMAX_PRIORITIES; uxPriority++ )
 | |
| 	{
 | |
| 		vListInitialise( &( pxReadyTasksLists[ uxPriority ] ) );
 | |
| 	}
 | |
| 
 | |
| 	vListInitialise( &xDelayedTaskList1 );
 | |
| 	vListInitialise( &xDelayedTaskList2 );
 | |
| 	vListInitialise( &xPendingReadyList[ 0 ] );
 | |
| 	if (portNUM_PROCESSORS == 2) {
 | |
| 		vListInitialise( &xPendingReadyList[ 1 ] );
 | |
| 	}
 | |
| 
 | |
| 	#if ( INCLUDE_vTaskDelete == 1 )
 | |
| 	{
 | |
| 		vListInitialise( &xTasksWaitingTermination );
 | |
| 	}
 | |
| 	#endif /* INCLUDE_vTaskDelete */
 | |
| 
 | |
| 	#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 	{
 | |
| 		vListInitialise( &xSuspendedTaskList );
 | |
| 	}
 | |
| 	#endif /* INCLUDE_vTaskSuspend */
 | |
| 
 | |
| 	/* Start with pxDelayedTaskList using list1 and the pxOverflowDelayedTaskList
 | |
| 	using list2. */
 | |
| 	pxDelayedTaskList = &xDelayedTaskList1;
 | |
| 	pxOverflowDelayedTaskList = &xDelayedTaskList2;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| static void prvCheckTasksWaitingTermination( void )
 | |
| {
 | |
| 	#if ( INCLUDE_vTaskDelete == 1 )
 | |
| 	{
 | |
| 		BaseType_t xListIsEmpty;
 | |
| 		int core = xPortGetCoreID();
 | |
| 
 | |
| 		/* ucTasksDeleted is used to prevent vTaskSuspendAll() being called
 | |
| 		too often in the idle task. */
 | |
| 		while(uxTasksDeleted > ( UBaseType_t ) 0U )
 | |
| 		{
 | |
| 			TCB_t *pxTCB = NULL;
 | |
| 
 | |
| 			taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 			{
 | |
| 				xListIsEmpty = listLIST_IS_EMPTY( &xTasksWaitingTermination );
 | |
| 				if( xListIsEmpty == pdFALSE )
 | |
| 				{
 | |
| 					/* We only want to kill tasks that ran on this core because e.g. _xt_coproc_release needs to
 | |
| 					be called on the core the process is pinned on, if any */
 | |
| 					ListItem_t *target = listGET_HEAD_ENTRY(&xTasksWaitingTermination);
 | |
| 					for( ; target != listGET_END_MARKER(&xTasksWaitingTermination); target = listGET_NEXT(target) ){	//Walk the list
 | |
| 						TCB_t *tgt_tcb = ( TCB_t * )listGET_LIST_ITEM_OWNER(target);
 | |
| 						int affinity = tgt_tcb->xCoreID;
 | |
| 						//Self deleting tasks are added to Termination List before they switch context. Ensure they aren't still currently running
 | |
| 						if( pxCurrentTCB[core] == tgt_tcb || (portNUM_PROCESSORS > 1 && pxCurrentTCB[!core] == tgt_tcb) ){
 | |
| 							continue;	//Can't free memory of task that is still running
 | |
| 						}
 | |
| 						if(affinity == core || affinity == tskNO_AFFINITY){		//Find first item not pinned to other core
 | |
| 							pxTCB = tgt_tcb;
 | |
| 							break;
 | |
| 						}
 | |
| 					}
 | |
| 					if(pxTCB != NULL){
 | |
| 						( void ) uxListRemove( target );	//Remove list item from list
 | |
| 						--uxCurrentNumberOfTasks;
 | |
| 						--uxTasksDeleted;
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 			taskEXIT_CRITICAL(&xTaskQueueMutex);	//Need to call deletion callbacks outside critical section
 | |
| 
 | |
| 			if (pxTCB != NULL) {	//Call deletion callbacks and free TCB memory
 | |
| 				#if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 ) && ( configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS )
 | |
| 					prvDeleteTLS( pxTCB );
 | |
| 				#endif
 | |
| 				prvDeleteTCB( pxTCB );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 				break;	//No TCB found that could be freed by this core, break out of loop
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	#endif /* vTaskDelete */
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| //This should be called with the taskqueuemutex grabbed. -JD
 | |
| static void prvAddCurrentTaskToDelayedList( const BaseType_t xCoreID, const TickType_t xTimeToWake )
 | |
| {
 | |
| 	/* The list item will be inserted in wake time order. */
 | |
| 	listSET_LIST_ITEM_VALUE( &( pxCurrentTCB[ xCoreID ]->xGenericListItem ), xTimeToWake );
 | |
| 
 | |
| 	if( xTimeToWake < xTickCount )
 | |
| 	{
 | |
|         traceMOVED_TASK_TO_OVERFLOW_DELAYED_LIST();
 | |
| 		/* Wake time has overflowed.  Place this item in the overflow list. */
 | |
| 		vListInsert( pxOverflowDelayedTaskList, &( pxCurrentTCB[ xCoreID ]->xGenericListItem ) );
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
|         traceMOVED_TASK_TO_DELAYED_LIST();
 | |
| 		/* The wake time has not overflowed, so the current block list is used. */
 | |
| 		vListInsert( pxDelayedTaskList, &( pxCurrentTCB[ xCoreID ]->xGenericListItem ) );
 | |
| 
 | |
| 		/* If the task entering the blocked state was placed at the head of the
 | |
| 		list of blocked tasks then xNextTaskUnblockTime needs to be updated
 | |
| 		too. */
 | |
| 		if( xTimeToWake < xNextTaskUnblockTime )
 | |
| 		{
 | |
| 			xNextTaskUnblockTime = xTimeToWake;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| BaseType_t xTaskGetAffinity( TaskHandle_t xTask )
 | |
| {
 | |
| 	TCB_t *pxTCB;
 | |
| 
 | |
| 	pxTCB = prvGetTCBFromHandle( xTask );
 | |
| 
 | |
| 	return pxTCB->xCoreID;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| 
 | |
| #if ( configUSE_TRACE_FACILITY == 1 )
 | |
| 
 | |
| 	static UBaseType_t prvListTaskWithinSingleList( TaskStatus_t *pxTaskStatusArray, List_t *pxList, eTaskState eState )
 | |
| 	{
 | |
| 	volatile TCB_t *pxNextTCB, *pxFirstTCB;
 | |
| 	UBaseType_t uxTask = 0;
 | |
| 
 | |
| 		if( listCURRENT_LIST_LENGTH( pxList ) > ( UBaseType_t ) 0 )
 | |
| 		{
 | |
| 			listGET_OWNER_OF_NEXT_ENTRY( pxFirstTCB, pxList );
 | |
| 
 | |
| 			/* Populate an TaskStatus_t structure within the
 | |
| 			pxTaskStatusArray array for each task that is referenced from
 | |
| 			pxList.  See the definition of TaskStatus_t in task.h for the
 | |
| 			meaning of each TaskStatus_t structure member. */
 | |
| 			do
 | |
| 			{
 | |
| 				listGET_OWNER_OF_NEXT_ENTRY( pxNextTCB, pxList );
 | |
| 
 | |
| 				pxTaskStatusArray[ uxTask ].xHandle = ( TaskHandle_t ) pxNextTCB;
 | |
| 				pxTaskStatusArray[ uxTask ].pcTaskName = ( const char * ) &( pxNextTCB->pcTaskName [ 0 ] );
 | |
| 				pxTaskStatusArray[ uxTask ].xTaskNumber = pxNextTCB->uxTCBNumber;
 | |
| 				pxTaskStatusArray[ uxTask ].eCurrentState = eState;
 | |
| 				pxTaskStatusArray[ uxTask ].uxCurrentPriority = pxNextTCB->uxPriority;
 | |
| 
 | |
| 				#if ( configTASKLIST_INCLUDE_COREID == 1 )
 | |
| 				pxTaskStatusArray[ uxTask ].xCoreID = pxNextTCB->xCoreID;
 | |
| 				#endif /* configTASKLIST_INCLUDE_COREID */
 | |
| 
 | |
| 				#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 				{
 | |
| 					/* If the task is in the suspended list then there is a chance
 | |
| 					it is actually just blocked indefinitely - so really it should
 | |
| 					be reported as being in the Blocked state. */
 | |
| 					if( eState == eSuspended )
 | |
| 					{
 | |
| 						if( listLIST_ITEM_CONTAINER( &( pxNextTCB->xEventListItem ) ) != NULL )
 | |
| 						{
 | |
| 							pxTaskStatusArray[ uxTask ].eCurrentState = eBlocked;
 | |
| 						}
 | |
| 					}
 | |
| 				}
 | |
| 				#endif /* INCLUDE_vTaskSuspend */
 | |
| 
 | |
| 				#if ( configUSE_MUTEXES == 1 )
 | |
| 				{
 | |
| 					pxTaskStatusArray[ uxTask ].uxBasePriority = pxNextTCB->uxBasePriority;
 | |
| 				}
 | |
| 				#else
 | |
| 				{
 | |
| 					pxTaskStatusArray[ uxTask ].uxBasePriority = 0;
 | |
| 				}
 | |
| 				#endif
 | |
| 
 | |
| 				#if ( configGENERATE_RUN_TIME_STATS == 1 )
 | |
| 				{
 | |
| 					pxTaskStatusArray[ uxTask ].ulRunTimeCounter = pxNextTCB->ulRunTimeCounter;
 | |
| 				}
 | |
| 				#else
 | |
| 				{
 | |
| 					pxTaskStatusArray[ uxTask ].ulRunTimeCounter = 0;
 | |
| 				}
 | |
| 				#endif
 | |
| 
 | |
| 				#if ( portSTACK_GROWTH > 0 )
 | |
| 				{
 | |
| 					pxTaskStatusArray[ uxTask ].usStackHighWaterMark = prvTaskCheckFreeStackSpace( ( uint8_t * ) pxNextTCB->pxEndOfStack );
 | |
| 				}
 | |
| 				#else
 | |
| 				{
 | |
| 					pxTaskStatusArray[ uxTask ].usStackHighWaterMark = prvTaskCheckFreeStackSpace( ( uint8_t * ) pxNextTCB->pxStack );
 | |
| 				}
 | |
| 				#endif
 | |
| 
 | |
| 				uxTask++;
 | |
| 
 | |
| 			} while( pxNextTCB != pxFirstTCB );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 
 | |
| 		return uxTask;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TRACE_FACILITY */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )
 | |
| 
 | |
| 	static uint32_t prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte )
 | |
| 	{
 | |
| 	uint32_t ulCount = 0U;
 | |
| 
 | |
| 		while( *pucStackByte == ( uint8_t ) tskSTACK_FILL_BYTE )
 | |
| 		{
 | |
| 			pucStackByte -= portSTACK_GROWTH;
 | |
| 			ulCount++;
 | |
| 		}
 | |
| 
 | |
| 		ulCount /= ( uint32_t ) sizeof( StackType_t ); /*lint !e961 Casting is not redundant on smaller architectures. */
 | |
| 
 | |
| 		return ( uint32_t ) ulCount;
 | |
| 	}
 | |
| 
 | |
| #endif /* ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) ) */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_uxTaskGetStackHighWaterMark == 1 )
 | |
| 
 | |
| 	UBaseType_t uxTaskGetStackHighWaterMark( TaskHandle_t xTask )
 | |
| 	{
 | |
| 	TCB_t *pxTCB;
 | |
| 	uint8_t *pucEndOfStack;
 | |
| 	UBaseType_t uxReturn;
 | |
| 
 | |
| 		pxTCB = prvGetTCBFromHandle( xTask );
 | |
| 
 | |
| 		#if portSTACK_GROWTH < 0
 | |
| 		{
 | |
| 			pucEndOfStack = ( uint8_t * ) pxTCB->pxStack;
 | |
| 		}
 | |
| 		#else
 | |
| 		{
 | |
| 			pucEndOfStack = ( uint8_t * ) pxTCB->pxEndOfStack;
 | |
| 		}
 | |
| 		#endif
 | |
| 
 | |
| 		uxReturn = ( UBaseType_t ) prvTaskCheckFreeStackSpace( pucEndOfStack );
 | |
| 
 | |
| 		return uxReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_uxTaskGetStackHighWaterMark */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if (INCLUDE_pxTaskGetStackStart == 1)
 | |
| 
 | |
| 	uint8_t* pxTaskGetStackStart( TaskHandle_t xTask)
 | |
| 	{
 | |
| 		TCB_t *pxTCB;
 | |
| 		uint8_t* uxReturn;
 | |
| 
 | |
| 		pxTCB = prvGetTCBFromHandle( xTask );
 | |
| 		uxReturn = (uint8_t*)pxTCB->pxStack;
 | |
| 
 | |
| 		return uxReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_pxTaskGetStackStart */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( INCLUDE_vTaskDelete == 1 )
 | |
| 
 | |
| 	static void prvDeleteTCB( TCB_t *pxTCB )
 | |
| 	{
 | |
| 		/* This call is required for any port specific cleanup related to task.
 | |
| 		It must be above the vPortFree() calls. */
 | |
| 		portCLEAN_UP_TCB( pxTCB );
 | |
| 
 | |
| 		/* Free up the memory allocated by the scheduler for the task.  It is up
 | |
| 		to the task to free any memory allocated at the application level. */
 | |
| 		#if ( configUSE_NEWLIB_REENTRANT == 1 )
 | |
| 		{
 | |
| 			_reclaim_reent( &( pxTCB->xNewLib_reent ) );
 | |
| 		}
 | |
| 		#endif /* configUSE_NEWLIB_REENTRANT */
 | |
| 
 | |
| 		#if ( portUSING_MPU_WRAPPERS == 1 )
 | |
| 			vPortReleaseTaskMPUSettings( &( pxTCB->xMPUSettings) );
 | |
| 		#endif
 | |
| 
 | |
| 		#if( ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 0 ) && ( portUSING_MPU_WRAPPERS == 0 ) )
 | |
| 		{
 | |
| 			/* The task can only have been allocated dynamically - free both
 | |
| 			the stack and TCB. */
 | |
| 			vPortFreeAligned( pxTCB->pxStack );
 | |
| 			vPortFree( pxTCB );
 | |
| 		}
 | |
| 		#elif( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE == 1 )
 | |
| 		{
 | |
| 			/* The task could have been allocated statically or dynamically, so
 | |
| 			check what was statically allocated before trying to free the
 | |
| 			memory. */
 | |
| 			if( pxTCB->ucStaticallyAllocated == tskDYNAMICALLY_ALLOCATED_STACK_AND_TCB )
 | |
| 			{
 | |
| 				/* Both the stack and TCB were allocated dynamically, so both
 | |
| 				must be freed. */
 | |
| 				vPortFreeAligned( pxTCB->pxStack );
 | |
| 				vPortFree( pxTCB );
 | |
| 			}
 | |
| 			else if( pxTCB->ucStaticallyAllocated == tskSTATICALLY_ALLOCATED_STACK_ONLY )
 | |
| 			{
 | |
| 				/* Only the stack was statically allocated, so the TCB is the
 | |
| 				only memory that must be freed. */
 | |
| 				vPortFree( pxTCB );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				/* Neither the stack nor the TCB were allocated dynamically, so
 | |
| 				nothing needs to be freed. */
 | |
| 				configASSERT( pxTCB->ucStaticallyAllocated == tskSTATICALLY_ALLOCATED_STACK_AND_TCB	)
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
 | |
| 	}
 | |
| 
 | |
| #endif /* INCLUDE_vTaskDelete */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 ) && ( configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS )
 | |
| 
 | |
| 	static void prvDeleteTLS( TCB_t *pxTCB )
 | |
| 	{
 | |
| 		configASSERT( pxTCB );
 | |
| 		for( int x = 0; x < ( UBaseType_t ) configNUM_THREAD_LOCAL_STORAGE_POINTERS; x++ )
 | |
| 		{
 | |
| 			if (pxTCB->pvThreadLocalStoragePointersDelCallback[ x ] != NULL)	//If del cb is set
 | |
| 			{
 | |
| 				pxTCB->pvThreadLocalStoragePointersDelCallback[ x ](x, pxTCB->pvThreadLocalStoragePointers[ x ]);	//Call del cb
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* ( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 ) && ( configTHREAD_LOCAL_STORAGE_DELETE_CALLBACKS ) */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| static void prvResetNextTaskUnblockTime( void )
 | |
| {
 | |
| TCB_t *pxTCB;
 | |
| 
 | |
| 	if( listLIST_IS_EMPTY( pxDelayedTaskList ) != pdFALSE )
 | |
| 	{
 | |
| 		/* The new current delayed list is empty.  Set
 | |
| 		xNextTaskUnblockTime to the maximum possible value so it is
 | |
| 		extremely unlikely that the
 | |
| 		if( xTickCount >= xNextTaskUnblockTime ) test will pass until
 | |
| 		there is an item in the delayed list. */
 | |
| 		xNextTaskUnblockTime = portMAX_DELAY;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		/* The new current delayed list is not empty, get the value of
 | |
| 		the item at the head of the delayed list.  This is the time at
 | |
| 		which the task at the head of the delayed list should be removed
 | |
| 		from the Blocked state. */
 | |
| 		( pxTCB ) = ( TCB_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList );
 | |
| 		xNextTaskUnblockTime = listGET_LIST_ITEM_VALUE( &( ( pxTCB )->xGenericListItem ) );
 | |
| 	}
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( ( INCLUDE_xTaskGetCurrentTaskHandle == 1 ) || ( configUSE_MUTEXES == 1 ) )
 | |
| 
 | |
| 	TaskHandle_t xTaskGetCurrentTaskHandle( void )
 | |
| 	{
 | |
| 	TaskHandle_t xReturn;
 | |
| 	unsigned state;
 | |
| 
 | |
| 		state = portENTER_CRITICAL_NESTED();
 | |
| 		xReturn = pxCurrentTCB[ xPortGetCoreID() ];
 | |
| 		portEXIT_CRITICAL_NESTED(state);
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| 	TaskHandle_t xTaskGetCurrentTaskHandleForCPU( BaseType_t cpuid )
 | |
| 	{
 | |
| 	TaskHandle_t xReturn=NULL;
 | |
| 
 | |
| 		//Xtensa-specific: the pxCurrentPCB pointer is atomic so we shouldn't need a lock.
 | |
| 		if (cpuid < portNUM_PROCESSORS) {
 | |
| 			xReturn = pxCurrentTCB[ cpuid ];
 | |
| 		}
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| 
 | |
| #endif /* ( ( INCLUDE_xTaskGetCurrentTaskHandle == 1 ) || ( configUSE_MUTEXES == 1 ) ) */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( ( INCLUDE_xTaskGetSchedulerState == 1 ) || ( configUSE_TIMERS == 1 ) )
 | |
| 
 | |
| 	BaseType_t xTaskGetSchedulerState( void )
 | |
| 	{
 | |
| 	BaseType_t xReturn;
 | |
| 	unsigned state;
 | |
| 
 | |
| 		state = portENTER_CRITICAL_NESTED();
 | |
| 		if( xSchedulerRunning == pdFALSE )
 | |
| 		{
 | |
| 			xReturn = taskSCHEDULER_NOT_STARTED;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			if( uxSchedulerSuspended[ xPortGetCoreID() ] == ( UBaseType_t ) pdFALSE )
 | |
| 			{
 | |
| 				xReturn = taskSCHEDULER_RUNNING;
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				xReturn = taskSCHEDULER_SUSPENDED;
 | |
| 			}
 | |
| 		}
 | |
| 		portEXIT_CRITICAL_NESTED(state);
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* ( ( INCLUDE_xTaskGetSchedulerState == 1 ) || ( configUSE_TIMERS == 1 ) ) */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_MUTEXES == 1 )
 | |
| 
 | |
| 	void vTaskPriorityInherit( TaskHandle_t const pxMutexHolder )
 | |
| 	{
 | |
| 	TCB_t * const pxTCB = ( TCB_t * ) pxMutexHolder;
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		/* If the mutex was given back by an interrupt while the queue was
 | |
| 		locked then the mutex holder might now be NULL. */
 | |
| 		if( pxMutexHolder != NULL )
 | |
| 		{
 | |
| 			if( pxTCB->uxPriority < pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 			{
 | |
| 				taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 				/* Adjust the mutex holder state to account for its new
 | |
| 				priority.  Only reset the event list item value if the value is
 | |
| 				not	being used for anything else. */
 | |
| 				if( ( listGET_LIST_ITEM_VALUE( &( pxTCB->xEventListItem ) ) & taskEVENT_LIST_ITEM_VALUE_IN_USE ) == 0UL )
 | |
| 				{
 | |
| 					listSET_LIST_ITEM_VALUE( &( pxTCB->xEventListItem ), ( TickType_t ) configMAX_PRIORITIES - ( TickType_t ) pxCurrentTCB[ xPortGetCoreID() ]->uxPriority ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 
 | |
| 				/* If the task being modified is in the ready state it will need to
 | |
| 				be moved into a new list. */
 | |
| 				if( listIS_CONTAINED_WITHIN( &( pxReadyTasksLists[ pxTCB->uxPriority ] ), &( pxTCB->xGenericListItem ) ) != pdFALSE )
 | |
| 				{
 | |
| 					if( uxListRemove( &( pxTCB->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 					{
 | |
| 						taskRESET_READY_PRIORITY( pxTCB->uxPriority );
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 
 | |
| 					/* Inherit the priority before being moved into the new list. */
 | |
| 					pxTCB->uxPriority = pxCurrentTCB[ xPortGetCoreID() ]->uxPriority;
 | |
|                     prvReaddTaskToReadyList( pxTCB );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					/* Just inherit the priority. */
 | |
| 					pxTCB->uxPriority = pxCurrentTCB[ xPortGetCoreID() ]->uxPriority;
 | |
| 				}
 | |
| 
 | |
| 				taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 				traceTASK_PRIORITY_INHERIT( pxTCB, pxCurrentTCB[ xPortGetCoreID() ]->uxPriority );
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_MUTEXES */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_MUTEXES == 1 )
 | |
| 
 | |
| 	BaseType_t xTaskPriorityDisinherit( TaskHandle_t const pxMutexHolder )
 | |
| 	{
 | |
| 	TCB_t * const pxTCB = ( TCB_t * ) pxMutexHolder;
 | |
| 	BaseType_t xReturn = pdFALSE;
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		if( pxMutexHolder != NULL )
 | |
| 		{
 | |
| 			configASSERT( pxTCB->uxMutexesHeld );
 | |
| 			( pxTCB->uxMutexesHeld )--;
 | |
| 
 | |
| 			if( pxTCB->uxPriority != pxTCB->uxBasePriority )
 | |
| 			{
 | |
| 				/* Only disinherit if no other mutexes are held. */
 | |
| 				if( pxTCB->uxMutexesHeld == ( UBaseType_t ) 0 )
 | |
| 				{
 | |
| 					taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 					/* A task can only have an inhertied priority if it holds
 | |
| 					the mutex.  If the mutex is held by a task then it cannot be
 | |
| 					given from an interrupt, and if a mutex is given by the
 | |
| 					holding	task then it must be the running state task.  Remove
 | |
| 					the	holding task from the ready	list. */
 | |
| 					if( uxListRemove( &( pxTCB->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 					{
 | |
| 						taskRESET_READY_PRIORITY( pxTCB->uxPriority );
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 
 | |
| 					/* Disinherit the priority before adding the task into the
 | |
| 					new	ready list. */
 | |
| 					traceTASK_PRIORITY_DISINHERIT( pxTCB, pxTCB->uxBasePriority );
 | |
| 					pxTCB->uxPriority = pxTCB->uxBasePriority;
 | |
| 
 | |
| 					/* Reset the event list item value.  It cannot be in use for
 | |
| 					any other purpose if this task is running, and it must be
 | |
| 					running to give back the mutex. */
 | |
| 					listSET_LIST_ITEM_VALUE( &( pxTCB->xEventListItem ), ( TickType_t ) configMAX_PRIORITIES - ( TickType_t ) pxTCB->uxPriority ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
|                     prvReaddTaskToReadyList( pxTCB );
 | |
| 
 | |
| 					/* Return true to indicate that a context switch is required.
 | |
| 					This is only actually required in the corner case whereby
 | |
| 					multiple mutexes were held and the mutexes were given back
 | |
| 					in an order different to that in which they were taken.
 | |
| 					If a context switch did not occur when the first mutex was
 | |
| 					returned, even if a task was waiting on it, then a context
 | |
| 					switch should occur when the last mutex is returned whether
 | |
| 					a task is waiting on it or not. */
 | |
| 					xReturn = pdTRUE;
 | |
| 					taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_MUTEXES */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| /* For multicore, this assumes the vPortCPUAquireMutex is recursive, that is, it can be called multiple
 | |
|    times and the release call will have to be called as many times for the mux to unlock. */
 | |
| 
 | |
| /* Gotcha (which seems to be deliberate in FreeRTOS, according to
 | |
| http://www.freertos.org/FreeRTOS_Support_Forum_Archive/December_2012/freertos_PIC32_Bug_-_vTaskEnterCritical_6400806.html
 | |
| ) is that calling vTaskEnterCritical followed by vTaskExitCritical will leave the interrupts DISABLED when the scheduler
 | |
| is not running.  Re-enabling the scheduler will re-enable the interrupts instead.
 | |
| 
 | |
| For ESP32 FreeRTOS, vTaskEnterCritical implements both portENTER_CRITICAL and portENTER_CRITICAL_ISR.
 | |
| */
 | |
| 
 | |
| #if ( portCRITICAL_NESTING_IN_TCB == 1 )
 | |
| 
 | |
| 	void vTaskEnterCritical( portMUX_TYPE *mux )
 | |
| 	{
 | |
| 		BaseType_t oldInterruptLevel=0;
 | |
| 		BaseType_t schedulerRunning = xSchedulerRunning;
 | |
| 		if(schedulerRunning != pdFALSE)
 | |
| 		{
 | |
| 			//Interrupts may already be disabled (because we're doing this recursively) but we can't get the interrupt level after
 | |
| 			//vPortCPUAquireMutex, because it also may mess with interrupts. Get it here first, then later figure out if we're nesting
 | |
| 			//and save for real there.
 | |
| 			oldInterruptLevel=portENTER_CRITICAL_NESTED();
 | |
| 		}
 | |
| 
 | |
| 		vPortCPUAcquireMutex( mux );
 | |
| 		if( schedulerRunning != pdFALSE )
 | |
| 		{
 | |
| 			TCB_t *tcb = pxCurrentTCB[xPortGetCoreID()];
 | |
| 			BaseType_t newNesting = tcb->uxCriticalNesting + 1;
 | |
|  			tcb->uxCriticalNesting = newNesting;
 | |
| 			if( newNesting == 1 )
 | |
| 			{
 | |
| 				//This is the first time we get called. Save original interrupt level.
 | |
| 				tcb->uxOldInterruptState = oldInterruptLevel;
 | |
| 			}
 | |
| 
 | |
| 			/* Original FreeRTOS comment, saved for reference:
 | |
| 			This is not the interrupt safe version of the enter critical
 | |
| 			function so	assert() if it is being called from an interrupt
 | |
| 			context.  Only API functions that end in "FromISR" can be used in an
 | |
| 			interrupt. Only assert if the critical nesting count is 1 to
 | |
| 			protect against recursive calls if the assert function also uses a
 | |
| 			critical section. */
 | |
| 
 | |
| 			/* DISABLED in the esp32 port - because of SMP, For ESP32
 | |
| 			FreeRTOS, vTaskEnterCritical implements both
 | |
| 			portENTER_CRITICAL and portENTER_CRITICAL_ISR. vTaskEnterCritical
 | |
| 			has to be used in way more places than before, and some are called
 | |
| 			both from ISR as well as non-ISR code, thus we re-organized
 | |
| 			vTaskEnterCritical to also work in ISRs. */
 | |
| #if 0
 | |
| 			if( newNesting	== 1 )
 | |
| 			{
 | |
| 				portASSERT_IF_IN_ISR();
 | |
| 			}
 | |
| #endif
 | |
| 
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* portCRITICAL_NESTING_IN_TCB */
 | |
| /*-----------------------------------------------------------*/
 | |
| /*
 | |
| For ESP32 FreeRTOS, vTaskExitCritical implements both portEXIT_CRITICAL and portEXIT_CRITICAL_ISR.
 | |
| */
 | |
| #if ( portCRITICAL_NESTING_IN_TCB == 1 )
 | |
| 
 | |
| 	void vTaskExitCritical( portMUX_TYPE *mux )
 | |
| 	{
 | |
| 
 | |
| 		vPortCPUReleaseMutex( mux );
 | |
| 		if( xSchedulerRunning != pdFALSE )
 | |
| 		{
 | |
| 			TCB_t *tcb = pxCurrentTCB[xPortGetCoreID()];
 | |
| 			BaseType_t nesting = tcb->uxCriticalNesting;
 | |
| 			if(nesting > 0U)
 | |
| 			{
 | |
| 				nesting--;
 | |
| 				tcb->uxCriticalNesting = nesting;
 | |
| 
 | |
| 				if( nesting == 0U )
 | |
| 				{
 | |
| 					portEXIT_CRITICAL_NESTED(tcb->uxOldInterruptState);
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* portCRITICAL_NESTING_IN_TCB */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( ( configUSE_TRACE_FACILITY == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) )
 | |
| 
 | |
| 	static char *prvWriteNameToBuffer( char *pcBuffer, const char *pcTaskName )
 | |
| 	{
 | |
| 	BaseType_t x;
 | |
| 
 | |
| 		/* Start by copying the entire string. */
 | |
| 		strcpy( pcBuffer, pcTaskName );
 | |
| 
 | |
| 		/* Pad the end of the string with spaces to ensure columns line up when
 | |
| 		printed out. */
 | |
| 		for( x = strlen( pcBuffer ); x < ( configMAX_TASK_NAME_LEN - 1 ); x++ )
 | |
| 		{
 | |
| 			pcBuffer[ x ] = ' ';
 | |
| 		}
 | |
| 
 | |
| 		/* Terminate. */
 | |
| 		pcBuffer[ x ] = 0x00;
 | |
| 
 | |
| 		/* Return the new end of string. */
 | |
| 		return &( pcBuffer[ x ] );
 | |
| 	}
 | |
| 
 | |
| #endif /* ( configUSE_TRACE_FACILITY == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( ( configUSE_TRACE_FACILITY == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) )
 | |
| 
 | |
| 	void vTaskList( char * pcWriteBuffer )
 | |
| 	{
 | |
| 	TaskStatus_t *pxTaskStatusArray;
 | |
| 	volatile UBaseType_t uxArraySize, x;
 | |
| 	char cStatus;
 | |
| 
 | |
| 		/*
 | |
| 		 * PLEASE NOTE:
 | |
| 		 *
 | |
| 		 * This function is provided for convenience only, and is used by many
 | |
| 		 * of the demo applications.  Do not consider it to be part of the
 | |
| 		 * scheduler.
 | |
| 		 *
 | |
| 		 * vTaskList() calls uxTaskGetSystemState(), then formats part of the
 | |
| 		 * uxTaskGetSystemState() output into a human readable table that
 | |
| 		 * displays task names, states and stack usage.
 | |
| 		 *
 | |
| 		 * vTaskList() has a dependency on the sprintf() C library function that
 | |
| 		 * might bloat the code size, use a lot of stack, and provide different
 | |
| 		 * results on different platforms.  An alternative, tiny, third party,
 | |
| 		 * and limited functionality implementation of sprintf() is provided in
 | |
| 		 * many of the FreeRTOS/Demo sub-directories in a file called
 | |
| 		 * printf-stdarg.c (note printf-stdarg.c does not provide a full
 | |
| 		 * snprintf() implementation!).
 | |
| 		 *
 | |
| 		 * It is recommended that production systems call uxTaskGetSystemState()
 | |
| 		 * directly to get access to raw stats data, rather than indirectly
 | |
| 		 * through a call to vTaskList().
 | |
| 		 */
 | |
| 
 | |
| 
 | |
| 		/* Make sure the write buffer does not contain a string. */
 | |
| 		*pcWriteBuffer = 0x00;
 | |
| 
 | |
| 		/* Take a snapshot of the number of tasks in case it changes while this
 | |
| 		function is executing. */
 | |
| 		uxArraySize = uxCurrentNumberOfTasks;
 | |
| 
 | |
| 		/* Allocate an array index for each task.  NOTE!  if
 | |
| 		configSUPPORT_DYNAMIC_ALLOCATION is set to 0 then pvPortMalloc() will
 | |
| 		equate to NULL. */
 | |
| 		pxTaskStatusArray = pvPortMalloc( uxCurrentNumberOfTasks * sizeof( TaskStatus_t ) );
 | |
| 
 | |
| 		if( pxTaskStatusArray != NULL )
 | |
| 		{
 | |
| 			/* Generate the (binary) data. */
 | |
| 			uxArraySize = uxTaskGetSystemState( pxTaskStatusArray, uxArraySize, NULL );
 | |
| 
 | |
| 			/* Create a human readable table from the binary data. */
 | |
| 			for( x = 0; x < uxArraySize; x++ )
 | |
| 			{
 | |
| 				switch( pxTaskStatusArray[ x ].eCurrentState )
 | |
| 				{
 | |
| 					case eReady:		cStatus = tskREADY_CHAR;
 | |
| 										break;
 | |
| 
 | |
| 					case eBlocked:		cStatus = tskBLOCKED_CHAR;
 | |
| 										break;
 | |
| 
 | |
| 					case eSuspended:	cStatus = tskSUSPENDED_CHAR;
 | |
| 										break;
 | |
| 
 | |
| 					case eDeleted:		cStatus = tskDELETED_CHAR;
 | |
| 										break;
 | |
| 
 | |
| 					default:			/* Should not get here, but it is included
 | |
| 										to prevent static checking errors. */
 | |
| 										cStatus = 0x00;
 | |
| 										break;
 | |
| 				}
 | |
| 
 | |
| 				/* Write the task name to the string, padding with spaces so it
 | |
| 				can be printed in tabular form more easily. */
 | |
| 				pcWriteBuffer = prvWriteNameToBuffer( pcWriteBuffer, pxTaskStatusArray[ x ].pcTaskName );
 | |
| 
 | |
| 				/* Write the rest of the string. */
 | |
| #if configTASKLIST_INCLUDE_COREID
 | |
| 				sprintf( pcWriteBuffer, "\t%c\t%u\t%u\t%u\t%hd\r\n", cStatus, ( unsigned int ) pxTaskStatusArray[ x ].uxCurrentPriority, ( unsigned int ) pxTaskStatusArray[ x ].usStackHighWaterMark, ( unsigned int ) pxTaskStatusArray[ x ].xTaskNumber, ( int ) pxTaskStatusArray[ x ].xCoreID );
 | |
| #else
 | |
| 				sprintf( pcWriteBuffer, "\t%c\t%u\t%u\t%u\r\n", cStatus, ( unsigned int ) pxTaskStatusArray[ x ].uxCurrentPriority, ( unsigned int ) pxTaskStatusArray[ x ].usStackHighWaterMark, ( unsigned int ) pxTaskStatusArray[ x ].xTaskNumber );
 | |
| #endif
 | |
| 				pcWriteBuffer += strlen( pcWriteBuffer );
 | |
| 			}
 | |
| 
 | |
| 			/* Free the array again.  NOTE!  If configSUPPORT_DYNAMIC_ALLOCATION
 | |
| 			is 0 then vPortFree() will be #defined to nothing. */
 | |
| 			vPortFree( pxTaskStatusArray );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* ( ( configUSE_TRACE_FACILITY == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) ) */
 | |
| /*----------------------------------------------------------*/
 | |
| 
 | |
| #if ( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) )
 | |
| 
 | |
| 	void vTaskGetRunTimeStats( char *pcWriteBuffer )
 | |
| 	{
 | |
| 	TaskStatus_t *pxTaskStatusArray;
 | |
| 	volatile UBaseType_t uxArraySize, x;
 | |
| 	uint32_t ulTotalTime, ulStatsAsPercentage;
 | |
| 
 | |
| 		#if( configUSE_TRACE_FACILITY != 1 )
 | |
| 		{
 | |
| 			#error configUSE_TRACE_FACILITY must also be set to 1 in FreeRTOSConfig.h to use vTaskGetRunTimeStats().
 | |
| 		}
 | |
| 		#endif
 | |
| 
 | |
| 		/*
 | |
| 		 * PLEASE NOTE:
 | |
| 		 *
 | |
| 		 * This function is provided for convenience only, and is used by many
 | |
| 		 * of the demo applications.  Do not consider it to be part of the
 | |
| 		 * scheduler.
 | |
| 		 *
 | |
| 		 * vTaskGetRunTimeStats() calls uxTaskGetSystemState(), then formats part
 | |
| 		 * of the uxTaskGetSystemState() output into a human readable table that
 | |
| 		 * displays the amount of time each task has spent in the Running state
 | |
| 		 * in both absolute and percentage terms.
 | |
| 		 *
 | |
| 		 * vTaskGetRunTimeStats() has a dependency on the sprintf() C library
 | |
| 		 * function that might bloat the code size, use a lot of stack, and
 | |
| 		 * provide different results on different platforms.  An alternative,
 | |
| 		 * tiny, third party, and limited functionality implementation of
 | |
| 		 * sprintf() is provided in many of the FreeRTOS/Demo sub-directories in
 | |
| 		 * a file called printf-stdarg.c (note printf-stdarg.c does not provide
 | |
| 		 * a full snprintf() implementation!).
 | |
| 		 *
 | |
| 		 * It is recommended that production systems call uxTaskGetSystemState()
 | |
| 		 * directly to get access to raw stats data, rather than indirectly
 | |
| 		 * through a call to vTaskGetRunTimeStats().
 | |
| 		 */
 | |
| 
 | |
| 		/* Make sure the write buffer does not contain a string. */
 | |
| 		*pcWriteBuffer = 0x00;
 | |
| 
 | |
| 		/* Take a snapshot of the number of tasks in case it changes while this
 | |
| 		function is executing. */
 | |
| 		uxArraySize = uxCurrentNumberOfTasks;
 | |
| 
 | |
| 		/* Allocate an array index for each task.  NOTE!  If
 | |
| 		configSUPPORT_DYNAMIC_ALLOCATION is set to 0 then pvPortMalloc() will
 | |
| 		equate to NULL. */
 | |
| 		pxTaskStatusArray = pvPortMalloc( uxCurrentNumberOfTasks * sizeof( TaskStatus_t ) );
 | |
| 
 | |
| 		if( pxTaskStatusArray != NULL )
 | |
| 		{
 | |
| 			/* Generate the (binary) data. */
 | |
| 			uxArraySize = uxTaskGetSystemState( pxTaskStatusArray, uxArraySize, &ulTotalTime );
 | |
| 
 | |
| 			/* For percentage calculations. */
 | |
| 			ulTotalTime /= 100UL;
 | |
| 
 | |
| 			/* Avoid divide by zero errors. */
 | |
| 			if( ulTotalTime > 0 )
 | |
| 			{
 | |
| 				/* Create a human readable table from the binary data. */
 | |
| 				for( x = 0; x < uxArraySize; x++ )
 | |
| 				{
 | |
| 					/* What percentage of the total run time has the task used?
 | |
| 					This will always be rounded down to the nearest integer.
 | |
| 					ulTotalRunTimeDiv100 has already been divided by 100. */
 | |
| 				    /* Also need to consider total run time of all */
 | |
| 					ulStatsAsPercentage = (pxTaskStatusArray[ x ].ulRunTimeCounter/portNUM_PROCESSORS)/ ulTotalTime;
 | |
| 
 | |
| 					/* Write the task name to the string, padding with
 | |
| 					spaces so it can be printed in tabular form more
 | |
| 					easily. */
 | |
| 					pcWriteBuffer = prvWriteNameToBuffer( pcWriteBuffer, pxTaskStatusArray[ x ].pcTaskName );
 | |
| 
 | |
| 					if( ulStatsAsPercentage > 0UL )
 | |
| 					{
 | |
| 						#ifdef portLU_PRINTF_SPECIFIER_REQUIRED
 | |
| 						{
 | |
| 							sprintf( pcWriteBuffer, "\t%lu\t\t%lu%%\r\n", pxTaskStatusArray[ x ].ulRunTimeCounter, ulStatsAsPercentage );
 | |
| 						}
 | |
| 						#else
 | |
| 						{
 | |
| 							/* sizeof( int ) == sizeof( long ) so a smaller
 | |
| 							printf() library can be used. */
 | |
| 							sprintf( pcWriteBuffer, "\t%u\t\t%u%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter, ( unsigned int ) ulStatsAsPercentage );
 | |
| 						}
 | |
| 						#endif
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						/* If the percentage is zero here then the task has
 | |
| 						consumed less than 1% of the total run time. */
 | |
| 						#ifdef portLU_PRINTF_SPECIFIER_REQUIRED
 | |
| 						{
 | |
| 							sprintf( pcWriteBuffer, "\t%lu\t\t<1%%\r\n", pxTaskStatusArray[ x ].ulRunTimeCounter );
 | |
| 						}
 | |
| 						#else
 | |
| 						{
 | |
| 							/* sizeof( int ) == sizeof( long ) so a smaller
 | |
| 							printf() library can be used. */
 | |
| 							sprintf( pcWriteBuffer, "\t%u\t\t<1%%\r\n", ( unsigned int ) pxTaskStatusArray[ x ].ulRunTimeCounter );
 | |
| 						}
 | |
| 						#endif
 | |
| 					}
 | |
| 
 | |
| 					pcWriteBuffer += strlen( pcWriteBuffer );
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 
 | |
| 			/* Free the array again.  NOTE!  If configSUPPORT_DYNAMIC_ALLOCATION
 | |
| 			is 0 then vPortFree() will be #defined to nothing. */
 | |
| 			vPortFree( pxTaskStatusArray );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| #endif /* ( ( configGENERATE_RUN_TIME_STATS == 1 ) && ( configUSE_STATS_FORMATTING_FUNCTIONS > 0 ) ) */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| TickType_t uxTaskResetEventItemValue( void )
 | |
| {
 | |
| TickType_t uxReturn;
 | |
| 	taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 	uxReturn = listGET_LIST_ITEM_VALUE( &( pxCurrentTCB[ xPortGetCoreID() ]->xEventListItem ) );
 | |
| 
 | |
| 	/* Reset the event list item to its normal value - so it can be used with
 | |
| 	queues and semaphores. */
 | |
| 	listSET_LIST_ITEM_VALUE( &( pxCurrentTCB[ xPortGetCoreID() ]->xEventListItem ), ( ( TickType_t ) configMAX_PRIORITIES - ( TickType_t ) pxCurrentTCB[ xPortGetCoreID() ]->uxPriority ) ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
| 	taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 	return uxReturn;
 | |
| }
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if ( configUSE_MUTEXES == 1 )
 | |
| 
 | |
| 	void *pvTaskIncrementMutexHeldCount( void )
 | |
| 	{
 | |
| 	TCB_t *curTCB;
 | |
| 
 | |
| 		/* If xSemaphoreCreateMutex() is called before any tasks have been created
 | |
| 		then pxCurrentTCB will be NULL. */
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		if( pxCurrentTCB[ xPortGetCoreID() ] != NULL )
 | |
| 		{
 | |
| 			( pxCurrentTCB[ xPortGetCoreID() ]->uxMutexesHeld )++;
 | |
| 		}
 | |
| 		curTCB = pxCurrentTCB[ xPortGetCoreID() ];
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		return curTCB;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_MUTEXES */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if( configUSE_TASK_NOTIFICATIONS == 1 )
 | |
| 
 | |
| 	uint32_t ulTaskNotifyTake( BaseType_t xClearCountOnExit, TickType_t xTicksToWait )
 | |
| 	{
 | |
| 	TickType_t xTimeToWake;
 | |
| 	uint32_t ulReturn;
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			/* Only block if the notification count is not already non-zero. */
 | |
| 			if( pxCurrentTCB[ xPortGetCoreID() ]->ulNotifiedValue == 0UL )
 | |
| 			{
 | |
| 				/* Mark this task as waiting for a notification. */
 | |
| 				pxCurrentTCB[ xPortGetCoreID() ]->eNotifyState = eWaitingNotification;
 | |
| 
 | |
| 				if( xTicksToWait > ( TickType_t ) 0 )
 | |
| 				{
 | |
| 					/* The task is going to block.  First it must be removed
 | |
| 					from the ready list. */
 | |
| 					if( uxListRemove( &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 					{
 | |
| 						/* The current task must be in a ready list, so there is
 | |
| 						no need to check, and the port reset macro can be called
 | |
| 						directly. */
 | |
| 						portRESET_READY_PRIORITY( pxCurrentTCB[ xPortGetCoreID() ]->uxPriority, uxTopReadyPriority );
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 
 | |
| 					#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 					{
 | |
| 						if( xTicksToWait == portMAX_DELAY )
 | |
| 						{
 | |
| 							/* Add the task to the suspended task list instead
 | |
| 							of a delayed task list to ensure the task is not
 | |
| 							woken by a timing event.  It will block
 | |
| 							indefinitely. */
 | |
|                             traceMOVED_TASK_TO_SUSPENDED_LIST(pxCurrentTCB[ xPortGetCoreID() ]);
 | |
| 							vListInsertEnd( &xSuspendedTaskList, &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) );
 | |
| 						}
 | |
| 						else
 | |
| 						{
 | |
| 							/* Calculate the time at which the task should be
 | |
| 							woken if no notification events occur.  This may
 | |
| 							overflow but this doesn't matter, the scheduler will
 | |
| 							handle it. */
 | |
| 							xTimeToWake = xTickCount + xTicksToWait;
 | |
| 							prvAddCurrentTaskToDelayedList( xPortGetCoreID(), xTimeToWake );
 | |
| 						}
 | |
| 					}
 | |
| 					#else /* INCLUDE_vTaskSuspend */
 | |
| 					{
 | |
| 							/* Calculate the time at which the task should be
 | |
| 							woken if the event does not occur.  This may
 | |
| 							overflow but this doesn't matter, the scheduler will
 | |
| 							handle it. */
 | |
| 							xTimeToWake = xTickCount + xTicksToWait;
 | |
| 							prvAddCurrentTaskToDelayedList( xTimeToWake );
 | |
| 					}
 | |
| 					#endif /* INCLUDE_vTaskSuspend */
 | |
| 
 | |
| 					/* All ports are written to allow a yield in a critical
 | |
| 					section (some will yield immediately, others wait until the
 | |
| 					critical section exits) - but it is not something that
 | |
| 					application code should ever do. */
 | |
| 					portYIELD_WITHIN_API();
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			ulReturn = pxCurrentTCB[ xPortGetCoreID() ]->ulNotifiedValue;
 | |
| 
 | |
| 			if( ulReturn != 0UL )
 | |
| 			{
 | |
| 				if( xClearCountOnExit != pdFALSE )
 | |
| 				{
 | |
| 					pxCurrentTCB[ xPortGetCoreID() ]->ulNotifiedValue = 0UL;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					( pxCurrentTCB[ xPortGetCoreID() ]->ulNotifiedValue )--;
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 
 | |
| 			pxCurrentTCB[ xPortGetCoreID() ]->eNotifyState = eNotWaitingNotification;
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		return ulReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TASK_NOTIFICATIONS */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if( configUSE_TASK_NOTIFICATIONS == 1 )
 | |
| 
 | |
| 	BaseType_t xTaskNotifyWait( uint32_t ulBitsToClearOnEntry, uint32_t ulBitsToClearOnExit, uint32_t *pulNotificationValue, TickType_t xTicksToWait )
 | |
| 	{
 | |
| 	TickType_t xTimeToWake;
 | |
| 	BaseType_t xReturn;
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			/* Only block if a notification is not already pending. */
 | |
| 			if( pxCurrentTCB[ xPortGetCoreID() ]->eNotifyState != eNotified )
 | |
| 			{
 | |
| 				/* Clear bits in the task's notification value as bits may get
 | |
| 				set	by the notifying task or interrupt.  This can be used to
 | |
| 				clear the value to zero. */
 | |
| 				pxCurrentTCB[ xPortGetCoreID() ]->ulNotifiedValue &= ~ulBitsToClearOnEntry;
 | |
| 
 | |
| 				/* Mark this task as waiting for a notification. */
 | |
| 				pxCurrentTCB[ xPortGetCoreID() ]->eNotifyState = eWaitingNotification;
 | |
| 
 | |
| 				if( xTicksToWait > ( TickType_t ) 0 )
 | |
| 				{
 | |
| 					/* The task is going to block.  First it must be removed
 | |
| 					from the	ready list. */
 | |
| 					if( uxListRemove( &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) ) == ( UBaseType_t ) 0 )
 | |
| 					{
 | |
| 						/* The current task must be in a ready list, so there is
 | |
| 						no need to check, and the port reset macro can be called
 | |
| 						directly. */
 | |
| 						portRESET_READY_PRIORITY( pxCurrentTCB[ xPortGetCoreID() ]->uxPriority, uxTopReadyPriority );
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						mtCOVERAGE_TEST_MARKER();
 | |
| 					}
 | |
| 
 | |
| 					#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 					{
 | |
| 						if( xTicksToWait == portMAX_DELAY )
 | |
| 						{
 | |
| 							/* Add the task to the suspended task list instead
 | |
| 							of a delayed task list to ensure the task is not
 | |
| 							woken by a timing event.  It will block
 | |
| 							indefinitely. */
 | |
|                             traceMOVED_TASK_TO_SUSPENDED_LIST(pxCurrentTCB[ xPortGetCoreID() ]);
 | |
| 							vListInsertEnd( &xSuspendedTaskList, &( pxCurrentTCB[ xPortGetCoreID() ]->xGenericListItem ) );
 | |
| 						}
 | |
| 						else
 | |
| 						{
 | |
| 							/* Calculate the time at which the task should be
 | |
| 							woken if no notification events occur.  This may
 | |
| 							overflow but this doesn't matter, the scheduler will
 | |
| 							handle it. */
 | |
| 							xTimeToWake = xTickCount + xTicksToWait;
 | |
| 							prvAddCurrentTaskToDelayedList( xPortGetCoreID(), xTimeToWake );
 | |
| 						}
 | |
| 					}
 | |
| 					#else /* INCLUDE_vTaskSuspend */
 | |
| 					{
 | |
| 							/* Calculate the time at which the task should be
 | |
| 							woken if the event does not occur.  This may
 | |
| 							overflow but this doesn't matter, the scheduler will
 | |
| 							handle it. */
 | |
| 							xTimeToWake = xTickCount + xTicksToWait;
 | |
| 							prvAddCurrentTaskToDelayedList( xTimeToWake );
 | |
| 					}
 | |
| 					#endif /* INCLUDE_vTaskSuspend */
 | |
| 
 | |
| 					/* All ports are written to allow a yield in a critical
 | |
| 					section (some will yield immediately, others wait until the
 | |
| 					critical section exits) - but it is not something that
 | |
| 					application code should ever do. */
 | |
| 					portYIELD_WITHIN_API();
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			if( pulNotificationValue != NULL )
 | |
| 			{
 | |
| 				/* Output the current notification value, which may or may not
 | |
| 				have changed. */
 | |
| 				*pulNotificationValue = pxCurrentTCB[ xPortGetCoreID() ]->ulNotifiedValue;
 | |
| 			}
 | |
| 
 | |
| 			/* If eNotifyValue is set then either the task never entered the
 | |
| 			blocked state (because a notification was already pending) or the
 | |
| 			task unblocked because of a notification.  Otherwise the task
 | |
| 			unblocked because of a timeout. */
 | |
| 			if( pxCurrentTCB[ xPortGetCoreID() ]->eNotifyState == eWaitingNotification )
 | |
| 			{
 | |
| 				/* A notification was not received. */
 | |
| 				xReturn = pdFALSE;
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				/* A notification was already pending or a notification was
 | |
| 				received while the task was waiting. */
 | |
| 				pxCurrentTCB[ xPortGetCoreID() ]->ulNotifiedValue &= ~ulBitsToClearOnExit;
 | |
| 				xReturn = pdTRUE;
 | |
| 			}
 | |
| 
 | |
| 			pxCurrentTCB[ xPortGetCoreID() ]->eNotifyState = eNotWaitingNotification;
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TASK_NOTIFICATIONS */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if( configUSE_TASK_NOTIFICATIONS == 1 )
 | |
| 
 | |
| 	BaseType_t xTaskNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction )
 | |
| 	{
 | |
| 	TCB_t * pxTCB;
 | |
| 	eNotifyValue eOriginalNotifyState;
 | |
| 	BaseType_t xReturn = pdPASS;
 | |
| 
 | |
| 		configASSERT( xTaskToNotify );
 | |
| 		pxTCB = ( TCB_t * ) xTaskToNotify;
 | |
| 
 | |
| 		taskENTER_CRITICAL(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			eOriginalNotifyState = pxTCB->eNotifyState;
 | |
| 
 | |
| 			pxTCB->eNotifyState = eNotified;
 | |
| 
 | |
| 			switch( eAction )
 | |
| 			{
 | |
| 				case eSetBits	:
 | |
| 					pxTCB->ulNotifiedValue |= ulValue;
 | |
| 					break;
 | |
| 
 | |
| 				case eIncrement	:
 | |
| 					( pxTCB->ulNotifiedValue )++;
 | |
| 					break;
 | |
| 
 | |
| 				case eSetValueWithOverwrite	:
 | |
| 					pxTCB->ulNotifiedValue = ulValue;
 | |
| 					break;
 | |
| 
 | |
| 				case eSetValueWithoutOverwrite :
 | |
| 					if( eOriginalNotifyState != eNotified )
 | |
| 					{
 | |
| 						pxTCB->ulNotifiedValue = ulValue;
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						/* The value could not be written to the task. */
 | |
| 						xReturn = pdFAIL;
 | |
| 					}
 | |
| 					break;
 | |
| 
 | |
| 				case eNoAction:
 | |
| 					/* The task is being notified without its notify value being
 | |
| 					updated. */
 | |
| 					break;
 | |
| 			}
 | |
| 
 | |
| 
 | |
| 			/* If the task is in the blocked state specifically to wait for a
 | |
| 			notification then unblock it now. */
 | |
| 			if( eOriginalNotifyState == eWaitingNotification )
 | |
| 			{
 | |
| 				( void ) uxListRemove( &( pxTCB->xGenericListItem ) );
 | |
| 				prvAddTaskToReadyList( pxTCB );
 | |
| 
 | |
| 				/* The task should not have been on an event list. */
 | |
| 				configASSERT( listLIST_ITEM_CONTAINER( &( pxTCB->xEventListItem ) ) == NULL );
 | |
| 
 | |
| 				if( tskCAN_RUN_HERE(pxTCB->xCoreID) && pxTCB->uxPriority > pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 				{
 | |
| 					/* The notified task has a priority above the currently
 | |
| 					executing task so a yield is required. */
 | |
| 					portYIELD_WITHIN_API();
 | |
| 				}
 | |
| 				else if ( pxTCB->xCoreID != xPortGetCoreID() )
 | |
| 				{
 | |
| 					taskYIELD_OTHER_CORE(pxTCB->xCoreID, pxTCB->uxPriority);
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				mtCOVERAGE_TEST_MARKER();
 | |
| 			}
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL(&xTaskQueueMutex);
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TASK_NOTIFICATIONS */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if( configUSE_TASK_NOTIFICATIONS == 1 )
 | |
| 
 | |
| 	BaseType_t xTaskNotifyFromISR( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, BaseType_t *pxHigherPriorityTaskWoken )
 | |
| 	{
 | |
| 	TCB_t * pxTCB;
 | |
| 	eNotifyValue eOriginalNotifyState;
 | |
| 	BaseType_t xReturn = pdPASS;
 | |
| 
 | |
| 		configASSERT( xTaskToNotify );
 | |
| 
 | |
| 		pxTCB = ( TCB_t * ) xTaskToNotify;
 | |
| 
 | |
| 		taskENTER_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 
 | |
| 		{
 | |
| 			eOriginalNotifyState = pxTCB->eNotifyState;
 | |
| 
 | |
| 			pxTCB->eNotifyState = eNotified;
 | |
| 
 | |
| 			switch( eAction )
 | |
| 			{
 | |
| 				case eSetBits	:
 | |
| 					pxTCB->ulNotifiedValue |= ulValue;
 | |
| 					break;
 | |
| 
 | |
| 				case eIncrement	:
 | |
| 					( pxTCB->ulNotifiedValue )++;
 | |
| 					break;
 | |
| 
 | |
| 				case eSetValueWithOverwrite	:
 | |
| 					pxTCB->ulNotifiedValue = ulValue;
 | |
| 					break;
 | |
| 
 | |
| 				case eSetValueWithoutOverwrite :
 | |
| 					if( eOriginalNotifyState != eNotified )
 | |
| 					{
 | |
| 						pxTCB->ulNotifiedValue = ulValue;
 | |
| 					}
 | |
| 					else
 | |
| 					{
 | |
| 						/* The value could not be written to the task. */
 | |
| 						xReturn = pdFAIL;
 | |
| 					}
 | |
| 					break;
 | |
| 
 | |
| 				case eNoAction :
 | |
| 					/* The task is being notified without its notify value being
 | |
| 					updated. */
 | |
| 					break;
 | |
| 			}
 | |
| 
 | |
| 
 | |
| 			/* If the task is in the blocked state specifically to wait for a
 | |
| 			notification then unblock it now. */
 | |
| 			if( eOriginalNotifyState == eWaitingNotification )
 | |
| 			{
 | |
| 				/* The task should not have been on an event list. */
 | |
| 				configASSERT( listLIST_ITEM_CONTAINER( &( pxTCB->xEventListItem ) ) == NULL );
 | |
| 
 | |
| 				if( uxSchedulerSuspended[ xPortGetCoreID() ] == ( UBaseType_t ) pdFALSE )
 | |
| 				{
 | |
| 					( void ) uxListRemove( &( pxTCB->xGenericListItem ) );
 | |
| 					prvAddTaskToReadyList( pxTCB );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					/* The delayed and ready lists cannot be accessed, so hold
 | |
| 					this task pending until the scheduler is resumed. */
 | |
| 					vListInsertEnd( &( xPendingReadyList[ xPortGetCoreID() ] ), &( pxTCB->xEventListItem ) );
 | |
| 				}
 | |
| 
 | |
| 				if( tskCAN_RUN_HERE(pxTCB->xCoreID) && pxTCB->uxPriority > pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 				{
 | |
| 					/* The notified task has a priority above the currently
 | |
| 					executing task so a yield is required. */
 | |
| 					if( pxHigherPriorityTaskWoken != NULL )
 | |
| 					{
 | |
| 						*pxHigherPriorityTaskWoken = pdTRUE;
 | |
| 					}
 | |
| 				}
 | |
| 				else if ( pxTCB->xCoreID != xPortGetCoreID() )
 | |
| 				{
 | |
| 					taskYIELD_OTHER_CORE( pxTCB->xCoreID, pxTCB->uxPriority );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 
 | |
| 		return xReturn;
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TASK_NOTIFICATIONS */
 | |
| /*-----------------------------------------------------------*/
 | |
| 
 | |
| #if( configUSE_TASK_NOTIFICATIONS == 1 )
 | |
| 
 | |
| 	void vTaskNotifyGiveFromISR( TaskHandle_t xTaskToNotify, BaseType_t *pxHigherPriorityTaskWoken )
 | |
| 	{
 | |
| 	TCB_t * pxTCB;
 | |
| 	eNotifyValue eOriginalNotifyState;
 | |
| 
 | |
| 		configASSERT( xTaskToNotify );
 | |
| 
 | |
| 
 | |
| 		pxTCB = ( TCB_t * ) xTaskToNotify;
 | |
| 
 | |
| 		taskENTER_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 		{
 | |
| 			eOriginalNotifyState = pxTCB->eNotifyState;
 | |
| 			pxTCB->eNotifyState = eNotified;
 | |
| 
 | |
| 			/* 'Giving' is equivalent to incrementing a count in a counting
 | |
| 			semaphore. */
 | |
| 			( pxTCB->ulNotifiedValue )++;
 | |
| 
 | |
| 			/* If the task is in the blocked state specifically to wait for a
 | |
| 			notification then unblock it now. */
 | |
| 			if( eOriginalNotifyState == eWaitingNotification )
 | |
| 			{
 | |
| 				/* The task should not have been on an event list. */
 | |
| 				configASSERT( listLIST_ITEM_CONTAINER( &( pxTCB->xEventListItem ) ) == NULL );
 | |
| 
 | |
| 				if( uxSchedulerSuspended[ xPortGetCoreID() ] == ( UBaseType_t ) pdFALSE )
 | |
| 				{
 | |
| 					( void ) uxListRemove( &( pxTCB->xGenericListItem ) );
 | |
| 					prvAddTaskToReadyList( pxTCB );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					/* The delayed and ready lists cannot be accessed, so hold
 | |
| 					this task pending until the scheduler is resumed. */
 | |
| 					vListInsertEnd( &( xPendingReadyList[ xPortGetCoreID() ] ), &( pxTCB->xEventListItem ) );
 | |
| 				}
 | |
| 
 | |
| 				if( tskCAN_RUN_HERE(pxTCB->xCoreID) && pxTCB->uxPriority > pxCurrentTCB[ xPortGetCoreID() ]->uxPriority )
 | |
| 				{
 | |
| 					/* The notified task has a priority above the currently
 | |
| 					executing task so a yield is required. */
 | |
| 					if( pxHigherPriorityTaskWoken != NULL )
 | |
| 					{
 | |
| 						*pxHigherPriorityTaskWoken = pdTRUE;
 | |
| 					}
 | |
| 				}
 | |
| 				else if ( pxTCB->xCoreID != xPortGetCoreID() )
 | |
| 				{
 | |
| 					taskYIELD_OTHER_CORE( pxTCB->xCoreID, pxTCB->uxPriority );
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					mtCOVERAGE_TEST_MARKER();
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		taskEXIT_CRITICAL_ISR(&xTaskQueueMutex);
 | |
| 	}
 | |
| 
 | |
| #endif /* configUSE_TASK_NOTIFICATIONS */
 | |
| 
 | |
| #if ( configENABLE_TASK_SNAPSHOT == 1 )
 | |
| 	static void prvTaskGetSnapshot( TaskSnapshot_t *pxTaskSnapshotArray, UBaseType_t *uxTask, TCB_t *pxTCB )
 | |
| 	{
 | |
| 		if (pxTCB == NULL) {
 | |
| 			return;
 | |
| 		}
 | |
| 		pxTaskSnapshotArray[ *uxTask ].pxTCB = pxTCB;
 | |
| 		pxTaskSnapshotArray[ *uxTask ].pxTopOfStack = (StackType_t *)pxTCB->pxTopOfStack;
 | |
| 		#if( portSTACK_GROWTH < 0 )
 | |
| 		{
 | |
| 			pxTaskSnapshotArray[ *uxTask ].pxEndOfStack = pxTCB->pxEndOfStack;
 | |
| 		}
 | |
| 		#else
 | |
| 		{
 | |
| 			pxTaskSnapshotArray[ *uxTask ].pxEndOfStack = pxTCB->pxStack;
 | |
| 		}
 | |
| 		#endif
 | |
| 		(*uxTask)++;
 | |
| 	}
 | |
| 
 | |
| 	static void prvTaskGetSnapshotsFromList( TaskSnapshot_t *pxTaskSnapshotArray, UBaseType_t *uxTask, const UBaseType_t uxArraySize, List_t *pxList )
 | |
| 	{
 | |
| 		TCB_t *pxNextTCB, *pxFirstTCB;
 | |
| 
 | |
| 		if( listCURRENT_LIST_LENGTH( pxList ) > ( UBaseType_t ) 0 )
 | |
| 		{
 | |
| 			listGET_OWNER_OF_NEXT_ENTRY( pxFirstTCB, pxList );
 | |
| 			do
 | |
| 			{
 | |
| 				if( *uxTask >= uxArraySize )
 | |
| 					break;
 | |
| 
 | |
| 				listGET_OWNER_OF_NEXT_ENTRY( pxNextTCB, pxList );
 | |
| 				prvTaskGetSnapshot( pxTaskSnapshotArray, uxTask, pxNextTCB );
 | |
| 			} while( pxNextTCB != pxFirstTCB );
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			mtCOVERAGE_TEST_MARKER();
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	UBaseType_t uxTaskGetSnapshotAll( TaskSnapshot_t * const pxTaskSnapshotArray, const UBaseType_t uxArraySize, UBaseType_t * const pxTcbSz )
 | |
| 	{
 | |
| 		UBaseType_t uxTask = 0, i = 0;
 | |
| 
 | |
| 
 | |
| 		*pxTcbSz = sizeof(TCB_t);
 | |
| 		/* Fill in an TaskStatus_t structure with information on each
 | |
| 		task in the Ready state. */
 | |
| 		i = configMAX_PRIORITIES;
 | |
| 		do
 | |
| 		{
 | |
| 			i--;
 | |
| 			prvTaskGetSnapshotsFromList( pxTaskSnapshotArray, &uxTask, uxArraySize, &( pxReadyTasksLists[ i ] ) );
 | |
| 		} while( i > ( UBaseType_t ) tskIDLE_PRIORITY ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 | |
| 
 | |
| 		/* Fill in an TaskStatus_t structure with information on each
 | |
| 		task in the Blocked state. */
 | |
| 		prvTaskGetSnapshotsFromList( pxTaskSnapshotArray, &uxTask, uxArraySize, ( List_t * ) pxDelayedTaskList );
 | |
| 		prvTaskGetSnapshotsFromList( pxTaskSnapshotArray, &uxTask, uxArraySize, ( List_t * ) pxOverflowDelayedTaskList );
 | |
| 		for (i = 0; i < portNUM_PROCESSORS; i++) {
 | |
| 			if( uxTask >= uxArraySize )
 | |
| 				break;
 | |
| 			prvTaskGetSnapshotsFromList( pxTaskSnapshotArray, &uxTask, uxArraySize, &( xPendingReadyList[ i ] ) );
 | |
| 		}
 | |
| 
 | |
| 		#if( INCLUDE_vTaskDelete == 1 )
 | |
| 		{
 | |
| 			prvTaskGetSnapshotsFromList( pxTaskSnapshotArray, &uxTask, uxArraySize, &xTasksWaitingTermination );
 | |
| 		}
 | |
| 		#endif
 | |
| 
 | |
| 		#if ( INCLUDE_vTaskSuspend == 1 )
 | |
| 		{
 | |
| 			prvTaskGetSnapshotsFromList( pxTaskSnapshotArray, &uxTask, uxArraySize, &xSuspendedTaskList );
 | |
| 		}
 | |
| 		#endif
 | |
| 		return uxTask;
 | |
| 	}
 | |
| 
 | |
| #endif
 | |
| 
 | |
| #ifdef FREERTOS_MODULE_TEST
 | |
| 	#include "tasks_test_access_functions.h"
 | |
| #endif
 | |
| 
 | 
