/*
* FreeRTOS Kernel V10.2.1
* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/* Standard includes. */
#include <stdlib.h>
#include <string.h>
/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
all the API functions to use the MPU wrappers. That should only be done when
task.h is included from an application file. */
#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "timers.h"
#include "stack_macros.h"
/* Lint e9021, e961 and e750 are suppressed as a MISRA exception justified
because the MPU ports require MPU_WRAPPERS_INCLUDED_FROM_API_FILE to be defined
for the header files above, but not in this file, in order to generate the
correct privileged Vs unprivileged linkage and placement. */
#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750 !e9021. */
/* Set configUSE_STATS_FORMATTING_FUNCTIONS to 2 to include the stats formatting
functions but without including stdio.h here. */
#if ( configUSE_STATS_FORMATTING_FUNCTIONS == 1 )
/* At the bottom of this file are two optional functions that can be used
to generate human readable text from the raw data generated by the
uxTaskGetSystemState() function. Note the formatting functions are provided
for convenience only, and are NOT considered part of the kernel. */
#include <stdio.h>
#endif /* configUSE_STATS_FORMATTING_FUNCTIONS == 1 ) */
#if( configUSE_PREEMPTION == 0 )
/* If the cooperative scheduler is being used then a yield should not be
performed just because a higher priority task has been woken. */
#define taskYIELD_IF_USING_PREEMPTION()
#else
#define taskYIELD_IF_USING_PREEMPTION() portYIELD_WITHIN_API()
#endif
/* Values that can be assigned to the ucNotifyState member of the TCB. */
#define taskNOT_WAITING_NOTIFICATION ( ( uint8_t ) 0 )
#define taskWAITING_NOTIFICATION ( ( uint8_t ) 1 )
#define taskNOTIFICATION_RECEIVED ( ( uint8_t ) 2 )
/*
* 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 )
/* Bits used to recored how a task's stack and TCB were allocated. */
#define tskDYNAMICALLY_ALLOCATED_STACK_AND_TCB ( ( uint8_t ) 0 )
#define tskSTATICALLY_ALLOCATED_STACK_ONLY ( ( uint8_t ) 1 )
#define tskSTATICALLY_ALLOCATED_STACK_AND_TCB ( ( uint8_t ) 2 )
/* If any of the following are set then task stacks are filled with a known
value so the high water mark can be determined. If none of the following are
set then don't fill the stack so there is no unnecessary dependency on memset. */
#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )
#define tskSET_NEW_STACKS_TO_KNOWN_VALUE 1
#else
#define tskSET_NEW_STACKS_TO_KNOWN_VALUE 0
#endif
/*
* Macros used by vListTask to indicate which state a task is in.
*/
#define tskRUNNING_CHAR ( 'X' )
#define tskBLOCKED_CHAR ( 'B' )
#define tskREADY_CHAR ( 'R' )
#define tskDELETED_CHAR ( 'D' )
#define tskSUSPENDED_CHAR ( 'S' )
/*
* Some kernel aware debuggers require the data the debugger needs access to be
* global, rather than file scope.
*/
#ifdef portREMOVE_STATIC_QUALIFIER
#define static
#endif
/* The name allocated to the Idle task. This can be overridden by defining
configIDLE_TASK_NAME in FreeRTOSConfig.h. */
#ifndef configIDLE_TASK_NAME
#define configIDLE_TASK_NAME "IDLE"
#endif
#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() \
{ \
UBaseType_t uxTopPriority = uxTopReadyPriority; \
\
/* Find the highest priority queue that contains ready tasks. */ \
while( listLIST_IS_EMPTY( &( pxReadyTasksLists[ uxTopPriority ] ) ) ) \
{ \
configASSERT( uxTopPriority ); \
--uxTopPriority; \
} \
\
/* 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, &( pxReadyTasksLists[ uxTopPriority ] ) ); \
uxTopReadyPriority = uxTopPriority; \
} /* 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 list that contains ready tasks. */ \
portGET_HIGHEST_PRIORITY( uxTopPriority, uxTopReadyPriority ); \
configASSERT( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ uxTopPriority ] ) ) > 0 ); \
listGET_OWNER_OF_NEXT_ENTRY( pxCurrentTCB, &( 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 r
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FreeRTOS移植需要的文件
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FreeRTOS.zip (33个子文件)
FreeRTOS
inc
croutine.h 26KB
mpu_prototypes.h 13KB
list.h 18KB
stack_macros.h 6KB
projdefs.h 6KB
StackMacros.h 6KB
queue.h 60KB
portable.h 7KB
timers.h 59KB
task.h 100KB
event_groups.h 30KB
deprecated_definitions.h 7KB
semphr.h 47KB
message_buffer.h 37KB
stdint.readme 850B
FreeRTOS.h 42KB
stream_buffer.h 37KB
mpu_wrappers.h 9KB
FreeRTOSConfig.h 6KB
scr
stream_buffer.c 43KB
event_groups.c 26KB
queue.c 94KB
tasks.c 171KB
list.c 8KB
timers.c 40KB
croutine.c 13KB
MemMang
heap_1.c 5KB
heap_3.c 3KB
heap_4.c 14KB
heap_5.c 16KB
heap_2.c 10KB
port
port.c 26KB
portmacro.h 8KB
共 33 条
- 1
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