| /* | |
| * FreeRTOS Kernel <DEVELOPMENT BRANCH> | |
| * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
| * | |
| * SPDX-License-Identifier: MIT | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy of | |
| * this software and associated documentation files (the "Software"), to deal in | |
| * the Software without restriction, including without limitation the rights to | |
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | |
| * the Software, and to permit persons to whom the Software is furnished to do so, | |
| * subject to the following conditions: | |
| * | |
| * The above copyright notice and this permission notice shall be included in all | |
| * copies or substantial portions of the Software. | |
| * | |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | |
| * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | |
| * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
| * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| * | |
| * https://www.FreeRTOS.org | |
| * https://github.com/FreeRTOS | |
| * | |
| */ | |
| /* Standard includes. */ | |
| #include <stdlib.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 | |
| #include "FreeRTOS.h" | |
| #include "task.h" | |
| #include "queue.h" | |
| #include "timers.h" | |
| #if ( INCLUDE_xTimerPendFunctionCall == 1 ) && ( configUSE_TIMERS == 0 ) | |
| #error configUSE_TIMERS must be set to 1 to make the xTimerPendFunctionCall() function available. | |
| #endif | |
| /* 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 !e9021 !e961 !e750. */ | |
| /* This entire source file will be skipped if the application is not configured | |
| * to include software timer functionality. This #if is closed at the very bottom | |
| * of this file. If you want to include software timer functionality then ensure | |
| * configUSE_TIMERS is set to 1 in FreeRTOSConfig.h. */ | |
| #if ( configUSE_TIMERS == 1 ) | |
| /* Misc definitions. */ | |
| #define tmrNO_DELAY ( ( TickType_t ) 0U ) | |
| #define tmrMAX_TIME_BEFORE_OVERFLOW ( ( TickType_t ) -1 ) | |
| /* The name assigned to the timer service task. This can be overridden by | |
| * defining trmTIMER_SERVICE_TASK_NAME in FreeRTOSConfig.h. */ | |
| #ifndef configTIMER_SERVICE_TASK_NAME | |
| #define configTIMER_SERVICE_TASK_NAME "Tmr Svc" | |
| #endif | |
| /* Bit definitions used in the ucStatus member of a timer structure. */ | |
| #define tmrSTATUS_IS_ACTIVE ( ( uint8_t ) 0x01 ) | |
| #define tmrSTATUS_IS_STATICALLY_ALLOCATED ( ( uint8_t ) 0x02 ) | |
| #define tmrSTATUS_IS_AUTORELOAD ( ( uint8_t ) 0x04 ) | |
| /* The definition of the timers themselves. */ | |
| typedef struct tmrTimerControl /* The old naming convention is used to prevent breaking kernel aware debuggers. */ | |
| { | |
| const char * pcTimerName; /*<< Text name. This is not used by the kernel, it is included simply to make debugging easier. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ | |
| ListItem_t xTimerListItem; /*<< Standard linked list item as used by all kernel features for event management. */ | |
| TickType_t xTimerPeriodInTicks; /*<< How quickly and often the timer expires. */ | |
| void * pvTimerID; /*<< An ID to identify the timer. This allows the timer to be identified when the same callback is used for multiple timers. */ | |
| TimerCallbackFunction_t pxCallbackFunction; /*<< The function that will be called when the timer expires. */ | |
| #if ( configUSE_TRACE_FACILITY == 1 ) | |
| UBaseType_t uxTimerNumber; /*<< An ID assigned by trace tools such as FreeRTOS+Trace */ | |
| #endif | |
| uint8_t ucStatus; /*<< Holds bits to say if the timer was statically allocated or not, and if it is active or not. */ | |
| } xTIMER; | |
| /* The old xTIMER name is maintained above then typedefed to the new Timer_t | |
| * name below to enable the use of older kernel aware debuggers. */ | |
| typedef xTIMER Timer_t; | |
| /* The definition of messages that can be sent and received on the timer queue. | |
| * Two types of message can be queued - messages that manipulate a software timer, | |
| * and messages that request the execution of a non-timer related callback. The | |
| * two message types are defined in two separate structures, xTimerParametersType | |
| * and xCallbackParametersType respectively. */ | |
| typedef struct tmrTimerParameters | |
| { | |
| TickType_t xMessageValue; /*<< An optional value used by a subset of commands, for example, when changing the period of a timer. */ | |
| Timer_t * pxTimer; /*<< The timer to which the command will be applied. */ | |
| } TimerParameter_t; | |
| typedef struct tmrCallbackParameters | |
| { | |
| PendedFunction_t pxCallbackFunction; /* << The callback function to execute. */ | |
| void * pvParameter1; /* << The value that will be used as the callback functions first parameter. */ | |
| uint32_t ulParameter2; /* << The value that will be used as the callback functions second parameter. */ | |
| } CallbackParameters_t; | |
| /* The structure that contains the two message types, along with an identifier | |
| * that is used to determine which message type is valid. */ | |
| typedef struct tmrTimerQueueMessage | |
| { | |
| BaseType_t xMessageID; /*<< The command being sent to the timer service task. */ | |
| union | |
| { | |
| TimerParameter_t xTimerParameters; | |
| /* Don't include xCallbackParameters if it is not going to be used as | |
| * it makes the structure (and therefore the timer queue) larger. */ | |
| #if ( INCLUDE_xTimerPendFunctionCall == 1 ) | |
| CallbackParameters_t xCallbackParameters; | |
| #endif /* INCLUDE_xTimerPendFunctionCall */ | |
| } u; | |
| } DaemonTaskMessage_t; | |
| /*lint -save -e956 A manual analysis and inspection has been used to determine | |
| * which static variables must be declared volatile. */ | |
| /* The list in which active timers are stored. Timers are referenced in expire | |
| * time order, with the nearest expiry time at the front of the list. Only the | |
| * timer service task is allowed to access these lists. | |
| * xActiveTimerList1 and xActiveTimerList2 could be at function scope but that | |
| * breaks some kernel aware debuggers, and debuggers that reply on removing the | |
| * static qualifier. */ | |
| PRIVILEGED_DATA static List_t xActiveTimerList1; | |
| PRIVILEGED_DATA static List_t xActiveTimerList2; | |
| PRIVILEGED_DATA static List_t * pxCurrentTimerList; | |
| PRIVILEGED_DATA static List_t * pxOverflowTimerList; | |
| /* A queue that is used to send commands to the timer service task. */ | |
| PRIVILEGED_DATA static QueueHandle_t xTimerQueue = NULL; | |
| PRIVILEGED_DATA static TaskHandle_t xTimerTaskHandle = NULL; | |
| /*lint -restore */ | |
| /*-----------------------------------------------------------*/ | |
| /* | |
| * Initialise the infrastructure used by the timer service task if it has not | |
| * been initialised already. | |
| */ | |
| static void prvCheckForValidListAndQueue( void ) PRIVILEGED_FUNCTION; | |
| /* | |
| * The timer service task (daemon). Timer functionality is controlled by this | |
| * task. Other tasks communicate with the timer service task using the | |
| * xTimerQueue queue. | |
| */ | |
| static portTASK_FUNCTION_PROTO( prvTimerTask, pvParameters ) PRIVILEGED_FUNCTION; | |
| /* | |
| * Called by the timer service task to interpret and process a command it | |
| * received on the timer queue. | |
| */ | |
| static void prvProcessReceivedCommands( void ) PRIVILEGED_FUNCTION; | |
| /* | |
| * Insert the timer into either xActiveTimerList1, or xActiveTimerList2, | |
| * depending on if the expire time causes a timer counter overflow. | |
| */ | |
| static BaseType_t prvInsertTimerInActiveList( Timer_t * const pxTimer, | |
| const TickType_t xNextExpiryTime, | |
| const TickType_t xTimeNow, | |
| const TickType_t xCommandTime ) PRIVILEGED_FUNCTION; | |
| /* | |
| * Reload the specified auto-reload timer. If the reloading is backlogged, | |
| * clear the backlog, calling the callback for each additional reload. When | |
| * this function returns, the next expiry time is after xTimeNow. | |
| */ | |
| static void prvReloadTimer( Timer_t * const pxTimer, | |
| TickType_t xExpiredTime, | |
| const TickType_t xTimeNow ) PRIVILEGED_FUNCTION; | |
| /* | |
| * An active timer has reached its expire time. Reload the timer if it is an | |
| * auto-reload timer, then call its callback. | |
| */ | |
| static void prvProcessExpiredTimer( const TickType_t xNextExpireTime, | |
| const TickType_t xTimeNow ) PRIVILEGED_FUNCTION; | |
| /* | |
| * The tick count has overflowed. Switch the timer lists after ensuring the | |
| * current timer list does not still reference some timers. | |
| */ | |
| static void prvSwitchTimerLists( void ) PRIVILEGED_FUNCTION; | |
| /* | |
| * Obtain the current tick count, setting *pxTimerListsWereSwitched to pdTRUE | |
| * if a tick count overflow occurred since prvSampleTimeNow() was last called. | |
| */ | |
| static TickType_t prvSampleTimeNow( BaseType_t * const pxTimerListsWereSwitched ) PRIVILEGED_FUNCTION; | |
| /* | |
| * If the timer list contains any active timers then return the expire time of | |
| * the timer that will expire first and set *pxListWasEmpty to false. If the | |
| * timer list does not contain any timers then return 0 and set *pxListWasEmpty | |
| * to pdTRUE. | |
| */ | |
| static TickType_t prvGetNextExpireTime( BaseType_t * const pxListWasEmpty ) PRIVILEGED_FUNCTION; | |
| /* | |
| * If a timer has expired, process it. Otherwise, block the timer service task | |
| * until either a timer does expire or a command is received. | |
| */ | |
| static void prvProcessTimerOrBlockTask( const TickType_t xNextExpireTime, | |
| BaseType_t xListWasEmpty ) PRIVILEGED_FUNCTION; | |
| /* | |
| * Called after a Timer_t structure has been allocated either statically or | |
| * dynamically to fill in the structure's members. | |
| */ | |
| static void prvInitialiseNewTimer( const char * const pcTimerName, /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ | |
| const TickType_t xTimerPeriodInTicks, | |
| const UBaseType_t uxAutoReload, | |
| void * const pvTimerID, | |
| TimerCallbackFunction_t pxCallbackFunction, | |
| Timer_t * pxNewTimer ) PRIVILEGED_FUNCTION; | |
| /*-----------------------------------------------------------*/ | |
| BaseType_t xTimerCreateTimerTask( void ) | |
| { | |
| BaseType_t xReturn = pdFAIL; | |
| /* This function is called when the scheduler is started if | |
| * configUSE_TIMERS is set to 1. Check that the infrastructure used by the | |
| * timer service task has been created/initialised. If timers have already | |
| * been created then the initialisation will already have been performed. */ | |
| prvCheckForValidListAndQueue(); | |
| if( xTimerQueue != NULL ) | |
| { | |
| #if ( configSUPPORT_STATIC_ALLOCATION == 1 ) | |
| { | |
| StaticTask_t * pxTimerTaskTCBBuffer = NULL; | |
| StackType_t * pxTimerTaskStackBuffer = NULL; | |
| uint32_t ulTimerTaskStackSize; | |
| vApplicationGetTimerTaskMemory( &pxTimerTaskTCBBuffer, &pxTimerTaskStackBuffer, &ulTimerTaskStackSize ); | |
| xTimerTaskHandle = xTaskCreateStatic( prvTimerTask, | |
| configTIMER_SERVICE_TASK_NAME, | |
| ulTimerTaskStackSize, | |
| NULL, | |
| ( ( UBaseType_t ) configTIMER_TASK_PRIORITY ) | portPRIVILEGE_BIT, | |
| pxTimerTaskStackBuffer, | |
| pxTimerTaskTCBBuffer ); | |
| if( xTimerTaskHandle != NULL ) | |
| { | |
| xReturn = pdPASS; | |
| } | |
| } | |
| #else /* if ( configSUPPORT_STATIC_ALLOCATION == 1 ) */ | |
| { | |
| xReturn = xTaskCreate( prvTimerTask, | |
| configTIMER_SERVICE_TASK_NAME, | |
| configTIMER_TASK_STACK_DEPTH, | |
| NULL, | |
| ( ( UBaseType_t ) configTIMER_TASK_PRIORITY ) | portPRIVILEGE_BIT, | |
| &xTimerTaskHandle ); | |
| } | |
| #endif /* configSUPPORT_STATIC_ALLOCATION */ | |
| } | |
| else | |
| { | |
| mtCOVERAGE_TEST_MARKER(); | |
| } | |
| configASSERT( xReturn ); | |
| return xReturn; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| #if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) | |
| TimerHandle_t xTimerCreate( const char * const pcTimerName, /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ | |
| const TickType_t xTimerPeriodInTicks, | |
| const UBaseType_t uxAutoReload, | |
| void * const pvTimerID, | |
| TimerCallbackFunction_t pxCallbackFunction ) | |
| { | |
| Timer_t * pxNewTimer; | |
| pxNewTimer = ( Timer_t * ) pvPortMalloc( sizeof( Timer_t ) ); /*lint !e9087 !e9079 All values returned by pvPortMalloc() have at least the alignment required by the MCU's stack, and the first member of Timer_t is always a pointer to the timer's mame. */ | |
| if( pxNewTimer != NULL ) | |
| { | |
| /* Status is thus far zero as the timer is not created statically | |
| * and has not been started. The auto-reload bit may get set in | |
| * prvInitialiseNewTimer. */ | |
| pxNewTimer->ucStatus = 0x00; | |
| prvInitialiseNewTimer( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxNewTimer ); | |
| } | |
| return pxNewTimer; | |
| } | |
| #endif /* configSUPPORT_DYNAMIC_ALLOCATION */ | |
| /*-----------------------------------------------------------*/ | |
| #if ( configSUPPORT_STATIC_ALLOCATION == 1 ) | |
| TimerHandle_t xTimerCreateStatic( const char * const pcTimerName, /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ | |
| const TickType_t xTimerPeriodInTicks, | |
| const UBaseType_t uxAutoReload, | |
| void * const pvTimerID, | |
| TimerCallbackFunction_t pxCallbackFunction, | |
| StaticTimer_t * pxTimerBuffer ) | |
| { | |
| Timer_t * pxNewTimer; | |
| #if ( configASSERT_DEFINED == 1 ) | |
| { | |
| /* Sanity check that the size of the structure used to declare a | |
| * variable of type StaticTimer_t equals the size of the real timer | |
| * structure. */ | |
| volatile size_t xSize = sizeof( StaticTimer_t ); | |
| configASSERT( xSize == sizeof( Timer_t ) ); | |
| ( void ) xSize; /* Keeps lint quiet when configASSERT() is not defined. */ | |
| } | |
| #endif /* configASSERT_DEFINED */ | |
| /* A pointer to a StaticTimer_t structure MUST be provided, use it. */ | |
| configASSERT( pxTimerBuffer ); | |
| pxNewTimer = ( Timer_t * ) pxTimerBuffer; /*lint !e740 !e9087 StaticTimer_t is a pointer to a Timer_t, so guaranteed to be aligned and sized correctly (checked by an assert()), so this is safe. */ | |
| if( pxNewTimer != NULL ) | |
| { | |
| /* Timers can be created statically or dynamically so note this | |
| * timer was created statically in case it is later deleted. The | |
| * auto-reload bit may get set in prvInitialiseNewTimer(). */ | |
| pxNewTimer->ucStatus = tmrSTATUS_IS_STATICALLY_ALLOCATED; | |
| prvInitialiseNewTimer( pcTimerName, xTimerPeriodInTicks, uxAutoReload, pvTimerID, pxCallbackFunction, pxNewTimer ); | |
| } | |
| return pxNewTimer; | |
| } | |
| #endif /* configSUPPORT_STATIC_ALLOCATION */ | |
| /*-----------------------------------------------------------*/ | |
| static void prvInitialiseNewTimer( const char * const pcTimerName, /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ | |
| const TickType_t xTimerPeriodInTicks, | |
| const UBaseType_t uxAutoReload, | |
| void * const pvTimerID, | |
| TimerCallbackFunction_t pxCallbackFunction, | |
| Timer_t * pxNewTimer ) | |
| { | |
| /* 0 is not a valid value for xTimerPeriodInTicks. */ | |
| configASSERT( ( xTimerPeriodInTicks > 0 ) ); | |
| /* Ensure the infrastructure used by the timer service task has been | |
| * created/initialised. */ | |
| prvCheckForValidListAndQueue(); | |
| /* Initialise the timer structure members using the function | |
| * parameters. */ | |
| pxNewTimer->pcTimerName = pcTimerName; | |
| pxNewTimer->xTimerPeriodInTicks = xTimerPeriodInTicks; | |
| pxNewTimer->pvTimerID = pvTimerID; | |
| pxNewTimer->pxCallbackFunction = pxCallbackFunction; | |
| vListInitialiseItem( &( pxNewTimer->xTimerListItem ) ); | |
| if( uxAutoReload != pdFALSE ) | |
| { | |
| pxNewTimer->ucStatus |= tmrSTATUS_IS_AUTORELOAD; | |
| } | |
| traceTIMER_CREATE( pxNewTimer ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| BaseType_t xTimerGenericCommand( TimerHandle_t xTimer, | |
| const BaseType_t xCommandID, | |
| const TickType_t xOptionalValue, | |
| BaseType_t * const pxHigherPriorityTaskWoken, | |
| const TickType_t xTicksToWait ) | |
| { | |
| BaseType_t xReturn = pdFAIL; | |
| DaemonTaskMessage_t xMessage; | |
| configASSERT( xTimer ); | |
| /* Send a message to the timer service task to perform a particular action | |
| * on a particular timer definition. */ | |
| if( xTimerQueue != NULL ) | |
| { | |
| /* Send a command to the timer service task to start the xTimer timer. */ | |
| xMessage.xMessageID = xCommandID; | |
| xMessage.u.xTimerParameters.xMessageValue = xOptionalValue; | |
| xMessage.u.xTimerParameters.pxTimer = xTimer; | |
| if( xCommandID < tmrFIRST_FROM_ISR_COMMAND ) | |
| { | |
| if( xTaskGetSchedulerState() == taskSCHEDULER_RUNNING ) | |
| { | |
| xReturn = xQueueSendToBack( xTimerQueue, &xMessage, xTicksToWait ); | |
| } | |
| else | |
| { | |
| xReturn = xQueueSendToBack( xTimerQueue, &xMessage, tmrNO_DELAY ); | |
| } | |
| } | |
| else | |
| { | |
| xReturn = xQueueSendToBackFromISR( xTimerQueue, &xMessage, pxHigherPriorityTaskWoken ); | |
| } | |
| traceTIMER_COMMAND_SEND( xTimer, xCommandID, xOptionalValue, xReturn ); | |
| } | |
| else | |
| { | |
| mtCOVERAGE_TEST_MARKER(); | |
| } | |
| return xReturn; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| TaskHandle_t xTimerGetTimerDaemonTaskHandle( void ) | |
| { | |
| /* If xTimerGetTimerDaemonTaskHandle() is called before the scheduler has been | |
| * started, then xTimerTaskHandle will be NULL. */ | |
| configASSERT( ( xTimerTaskHandle != NULL ) ); | |
| return xTimerTaskHandle; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| TickType_t xTimerGetPeriod( TimerHandle_t xTimer ) | |
| { | |
| Timer_t * pxTimer = xTimer; | |
| configASSERT( xTimer ); | |
| return pxTimer->xTimerPeriodInTicks; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vTimerSetReloadMode( TimerHandle_t xTimer, | |
| const UBaseType_t uxAutoReload ) | |
| { | |
| Timer_t * pxTimer = xTimer; | |
| configASSERT( xTimer ); | |
| taskENTER_CRITICAL(); | |
| { | |
| if( uxAutoReload != pdFALSE ) | |
| { | |
| pxTimer->ucStatus |= tmrSTATUS_IS_AUTORELOAD; | |
| } | |
| else | |
| { | |
| pxTimer->ucStatus &= ~tmrSTATUS_IS_AUTORELOAD; | |
| } | |
| } | |
| taskEXIT_CRITICAL(); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| UBaseType_t uxTimerGetReloadMode( TimerHandle_t xTimer ) | |
| { | |
| Timer_t * pxTimer = xTimer; | |
| UBaseType_t uxReturn; | |
| configASSERT( xTimer ); | |
| taskENTER_CRITICAL(); | |
| { | |
| if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) == 0 ) | |
| { | |
| /* Not an auto-reload timer. */ | |
| uxReturn = ( UBaseType_t ) pdFALSE; | |
| } | |
| else | |
| { | |
| /* Is an auto-reload timer. */ | |
| uxReturn = ( UBaseType_t ) pdTRUE; | |
| } | |
| } | |
| taskEXIT_CRITICAL(); | |
| return uxReturn; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| TickType_t xTimerGetExpiryTime( TimerHandle_t xTimer ) | |
| { | |
| Timer_t * pxTimer = xTimer; | |
| TickType_t xReturn; | |
| configASSERT( xTimer ); | |
| xReturn = listGET_LIST_ITEM_VALUE( &( pxTimer->xTimerListItem ) ); | |
| return xReturn; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| const char * pcTimerGetName( TimerHandle_t xTimer ) /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ | |
| { | |
| Timer_t * pxTimer = xTimer; | |
| configASSERT( xTimer ); | |
| return pxTimer->pcTimerName; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static void prvReloadTimer( Timer_t * const pxTimer, | |
| TickType_t xExpiredTime, | |
| const TickType_t xTimeNow ) | |
| { | |
| /* Insert the timer into the appropriate list for the next expiry time. | |
| * If the next expiry time has already passed, advance the expiry time, | |
| * call the callback function, and try again. */ | |
| while ( prvInsertTimerInActiveList( pxTimer, ( xExpiredTime + pxTimer->xTimerPeriodInTicks ), xTimeNow, xExpiredTime ) != pdFALSE ) | |
| { | |
| /* Advance the expiry time. */ | |
| xExpiredTime += pxTimer->xTimerPeriodInTicks; | |
| /* Call the timer callback. */ | |
| traceTIMER_EXPIRED( pxTimer ); | |
| pxTimer->pxCallbackFunction( ( TimerHandle_t ) pxTimer ); | |
| } | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static void prvProcessExpiredTimer( const TickType_t xNextExpireTime, | |
| const TickType_t xTimeNow ) | |
| { | |
| Timer_t * const pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList ); /*lint !e9087 !e9079 void * is used as this macro is used with tasks and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ | |
| /* Remove the timer from the list of active timers. A check has already | |
| * been performed to ensure the list is not empty. */ | |
| ( void ) uxListRemove( &( pxTimer->xTimerListItem ) ); | |
| /* If the timer is an auto-reload timer then calculate the next | |
| * expiry time and re-insert the timer in the list of active timers. */ | |
| if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) != 0 ) | |
| { | |
| prvReloadTimer( pxTimer, xNextExpireTime, xTimeNow ); | |
| } | |
| else | |
| { | |
| pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; | |
| } | |
| /* Call the timer callback. */ | |
| traceTIMER_EXPIRED( pxTimer ); | |
| pxTimer->pxCallbackFunction( ( TimerHandle_t ) pxTimer ); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static portTASK_FUNCTION( prvTimerTask, pvParameters ) | |
| { | |
| TickType_t xNextExpireTime; | |
| BaseType_t xListWasEmpty; | |
| /* Just to avoid compiler warnings. */ | |
| ( void ) pvParameters; | |
| #if ( configUSE_DAEMON_TASK_STARTUP_HOOK == 1 ) | |
| { | |
| extern void vApplicationDaemonTaskStartupHook( void ); | |
| /* Allow the application writer to execute some code in the context of | |
| * this task at the point the task starts executing. This is useful if the | |
| * application includes initialisation code that would benefit from | |
| * executing after the scheduler has been started. */ | |
| vApplicationDaemonTaskStartupHook(); | |
| } | |
| #endif /* configUSE_DAEMON_TASK_STARTUP_HOOK */ | |
| for( ; ; ) | |
| { | |
| /* Query the timers list to see if it contains any timers, and if so, | |
| * obtain the time at which the next timer will expire. */ | |
| xNextExpireTime = prvGetNextExpireTime( &xListWasEmpty ); | |
| /* If a timer has expired, process it. Otherwise, block this task | |
| * until either a timer does expire, or a command is received. */ | |
| prvProcessTimerOrBlockTask( xNextExpireTime, xListWasEmpty ); | |
| /* Empty the command queue. */ | |
| prvProcessReceivedCommands(); | |
| } | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static void prvProcessTimerOrBlockTask( const TickType_t xNextExpireTime, | |
| BaseType_t xListWasEmpty ) | |
| { | |
| TickType_t xTimeNow; | |
| BaseType_t xTimerListsWereSwitched; | |
| vTaskSuspendAll(); | |
| { | |
| /* Obtain the time now to make an assessment as to whether the timer | |
| * has expired or not. If obtaining the time causes the lists to switch | |
| * then don't process this timer as any timers that remained in the list | |
| * when the lists were switched will have been processed within the | |
| * prvSampleTimeNow() function. */ | |
| xTimeNow = prvSampleTimeNow( &xTimerListsWereSwitched ); | |
| if( xTimerListsWereSwitched == pdFALSE ) | |
| { | |
| /* The tick count has not overflowed, has the timer expired? */ | |
| if( ( xListWasEmpty == pdFALSE ) && ( xNextExpireTime <= xTimeNow ) ) | |
| { | |
| ( void ) xTaskResumeAll(); | |
| prvProcessExpiredTimer( xNextExpireTime, xTimeNow ); | |
| } | |
| else | |
| { | |
| /* The tick count has not overflowed, and the next expire | |
| * time has not been reached yet. This task should therefore | |
| * block to wait for the next expire time or a command to be | |
| * received - whichever comes first. The following line cannot | |
| * be reached unless xNextExpireTime > xTimeNow, except in the | |
| * case when the current timer list is empty. */ | |
| if( xListWasEmpty != pdFALSE ) | |
| { | |
| /* The current timer list is empty - is the overflow list | |
| * also empty? */ | |
| xListWasEmpty = listLIST_IS_EMPTY( pxOverflowTimerList ); | |
| } | |
| vQueueWaitForMessageRestricted( xTimerQueue, ( xNextExpireTime - xTimeNow ), xListWasEmpty ); | |
| if( xTaskResumeAll() == pdFALSE ) | |
| { | |
| /* Yield to wait for either a command to arrive, or the | |
| * block time to expire. If a command arrived between the | |
| * critical section being exited and this yield then the yield | |
| * will not cause the task to block. */ | |
| portYIELD_WITHIN_API(); | |
| } | |
| else | |
| { | |
| mtCOVERAGE_TEST_MARKER(); | |
| } | |
| } | |
| } | |
| else | |
| { | |
| ( void ) xTaskResumeAll(); | |
| } | |
| } | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static TickType_t prvGetNextExpireTime( BaseType_t * const pxListWasEmpty ) | |
| { | |
| TickType_t xNextExpireTime; | |
| /* Timers are listed in expiry time order, with the head of the list | |
| * referencing the task that will expire first. Obtain the time at which | |
| * the timer with the nearest expiry time will expire. If there are no | |
| * active timers then just set the next expire time to 0. That will cause | |
| * this task to unblock when the tick count overflows, at which point the | |
| * timer lists will be switched and the next expiry time can be | |
| * re-assessed. */ | |
| *pxListWasEmpty = listLIST_IS_EMPTY( pxCurrentTimerList ); | |
| if( *pxListWasEmpty == pdFALSE ) | |
| { | |
| xNextExpireTime = listGET_ITEM_VALUE_OF_HEAD_ENTRY( pxCurrentTimerList ); | |
| } | |
| else | |
| { | |
| /* Ensure the task unblocks when the tick count rolls over. */ | |
| xNextExpireTime = ( TickType_t ) 0U; | |
| } | |
| return xNextExpireTime; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static TickType_t prvSampleTimeNow( BaseType_t * const pxTimerListsWereSwitched ) | |
| { | |
| TickType_t xTimeNow; | |
| PRIVILEGED_DATA static TickType_t xLastTime = ( TickType_t ) 0U; /*lint !e956 Variable is only accessible to one task. */ | |
| xTimeNow = xTaskGetTickCount(); | |
| if( xTimeNow < xLastTime ) | |
| { | |
| prvSwitchTimerLists(); | |
| *pxTimerListsWereSwitched = pdTRUE; | |
| } | |
| else | |
| { | |
| *pxTimerListsWereSwitched = pdFALSE; | |
| } | |
| xLastTime = xTimeNow; | |
| return xTimeNow; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static BaseType_t prvInsertTimerInActiveList( Timer_t * const pxTimer, | |
| const TickType_t xNextExpiryTime, | |
| const TickType_t xTimeNow, | |
| const TickType_t xCommandTime ) | |
| { | |
| BaseType_t xProcessTimerNow = pdFALSE; | |
| listSET_LIST_ITEM_VALUE( &( pxTimer->xTimerListItem ), xNextExpiryTime ); | |
| listSET_LIST_ITEM_OWNER( &( pxTimer->xTimerListItem ), pxTimer ); | |
| if( xNextExpiryTime <= xTimeNow ) | |
| { | |
| /* Has the expiry time elapsed between the command to start/reset a | |
| * timer was issued, and the time the command was processed? */ | |
| if( ( ( TickType_t ) ( xTimeNow - xCommandTime ) ) >= pxTimer->xTimerPeriodInTicks ) /*lint !e961 MISRA exception as the casts are only redundant for some ports. */ | |
| { | |
| /* The time between a command being issued and the command being | |
| * processed actually exceeds the timers period. */ | |
| xProcessTimerNow = pdTRUE; | |
| } | |
| else | |
| { | |
| vListInsert( pxOverflowTimerList, &( pxTimer->xTimerListItem ) ); | |
| } | |
| } | |
| else | |
| { | |
| if( ( xTimeNow < xCommandTime ) && ( xNextExpiryTime >= xCommandTime ) ) | |
| { | |
| /* If, since the command was issued, the tick count has overflowed | |
| * but the expiry time has not, then the timer must have already passed | |
| * its expiry time and should be processed immediately. */ | |
| xProcessTimerNow = pdTRUE; | |
| } | |
| else | |
| { | |
| vListInsert( pxCurrentTimerList, &( pxTimer->xTimerListItem ) ); | |
| } | |
| } | |
| return xProcessTimerNow; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static void prvProcessReceivedCommands( void ) | |
| { | |
| DaemonTaskMessage_t xMessage; | |
| Timer_t * pxTimer; | |
| BaseType_t xTimerListsWereSwitched; | |
| TickType_t xTimeNow; | |
| while( xQueueReceive( xTimerQueue, &xMessage, tmrNO_DELAY ) != pdFAIL ) /*lint !e603 xMessage does not have to be initialised as it is passed out, not in, and it is not used unless xQueueReceive() returns pdTRUE. */ | |
| { | |
| #if ( INCLUDE_xTimerPendFunctionCall == 1 ) | |
| { | |
| /* Negative commands are pended function calls rather than timer | |
| * commands. */ | |
| if( xMessage.xMessageID < ( BaseType_t ) 0 ) | |
| { | |
| const CallbackParameters_t * const pxCallback = &( xMessage.u.xCallbackParameters ); | |
| /* The timer uses the xCallbackParameters member to request a | |
| * callback be executed. Check the callback is not NULL. */ | |
| configASSERT( pxCallback ); | |
| /* Call the function. */ | |
| pxCallback->pxCallbackFunction( pxCallback->pvParameter1, pxCallback->ulParameter2 ); | |
| } | |
| else | |
| { | |
| mtCOVERAGE_TEST_MARKER(); | |
| } | |
| } | |
| #endif /* INCLUDE_xTimerPendFunctionCall */ | |
| /* Commands that are positive are timer commands rather than pended | |
| * function calls. */ | |
| if( xMessage.xMessageID >= ( BaseType_t ) 0 ) | |
| { | |
| /* The messages uses the xTimerParameters member to work on a | |
| * software timer. */ | |
| pxTimer = xMessage.u.xTimerParameters.pxTimer; | |
| if( listIS_CONTAINED_WITHIN( NULL, &( pxTimer->xTimerListItem ) ) == pdFALSE ) /*lint !e961. The cast is only redundant when NULL is passed into the macro. */ | |
| { | |
| /* The timer is in a list, remove it. */ | |
| ( void ) uxListRemove( &( pxTimer->xTimerListItem ) ); | |
| } | |
| else | |
| { | |
| mtCOVERAGE_TEST_MARKER(); | |
| } | |
| traceTIMER_COMMAND_RECEIVED( pxTimer, xMessage.xMessageID, xMessage.u.xTimerParameters.xMessageValue ); | |
| /* In this case the xTimerListsWereSwitched parameter is not used, but | |
| * it must be present in the function call. prvSampleTimeNow() must be | |
| * called after the message is received from xTimerQueue so there is no | |
| * possibility of a higher priority task adding a message to the message | |
| * queue with a time that is ahead of the timer daemon task (because it | |
| * pre-empted the timer daemon task after the xTimeNow value was set). */ | |
| xTimeNow = prvSampleTimeNow( &xTimerListsWereSwitched ); | |
| switch( xMessage.xMessageID ) | |
| { | |
| case tmrCOMMAND_START: | |
| case tmrCOMMAND_START_FROM_ISR: | |
| case tmrCOMMAND_RESET: | |
| case tmrCOMMAND_RESET_FROM_ISR: | |
| /* Start or restart a timer. */ | |
| pxTimer->ucStatus |= tmrSTATUS_IS_ACTIVE; | |
| if( prvInsertTimerInActiveList( pxTimer, xMessage.u.xTimerParameters.xMessageValue + pxTimer->xTimerPeriodInTicks, xTimeNow, xMessage.u.xTimerParameters.xMessageValue ) != pdFALSE ) | |
| { | |
| /* The timer expired before it was added to the active | |
| * timer list. Process it now. */ | |
| if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) != 0 ) | |
| { | |
| prvReloadTimer( pxTimer, xMessage.u.xTimerParameters.xMessageValue + pxTimer->xTimerPeriodInTicks, xTimeNow ); | |
| } | |
| else | |
| { | |
| pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; | |
| } | |
| /* Call the timer callback. */ | |
| traceTIMER_EXPIRED( pxTimer ); | |
| pxTimer->pxCallbackFunction( ( TimerHandle_t ) pxTimer ); | |
| } | |
| else | |
| { | |
| mtCOVERAGE_TEST_MARKER(); | |
| } | |
| break; | |
| case tmrCOMMAND_STOP: | |
| case tmrCOMMAND_STOP_FROM_ISR: | |
| /* The timer has already been removed from the active list. */ | |
| pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; | |
| break; | |
| case tmrCOMMAND_CHANGE_PERIOD: | |
| case tmrCOMMAND_CHANGE_PERIOD_FROM_ISR: | |
| pxTimer->ucStatus |= tmrSTATUS_IS_ACTIVE; | |
| pxTimer->xTimerPeriodInTicks = xMessage.u.xTimerParameters.xMessageValue; | |
| configASSERT( ( pxTimer->xTimerPeriodInTicks > 0 ) ); | |
| /* The new period does not really have a reference, and can | |
| * be longer or shorter than the old one. The command time is | |
| * therefore set to the current time, and as the period cannot | |
| * be zero the next expiry time can only be in the future, | |
| * meaning (unlike for the xTimerStart() case above) there is | |
| * no fail case that needs to be handled here. */ | |
| ( void ) prvInsertTimerInActiveList( pxTimer, ( xTimeNow + pxTimer->xTimerPeriodInTicks ), xTimeNow, xTimeNow ); | |
| break; | |
| case tmrCOMMAND_DELETE: | |
| #if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) | |
| { | |
| /* The timer has already been removed from the active list, | |
| * just free up the memory if the memory was dynamically | |
| * allocated. */ | |
| if( ( pxTimer->ucStatus & tmrSTATUS_IS_STATICALLY_ALLOCATED ) == ( uint8_t ) 0 ) | |
| { | |
| vPortFree( pxTimer ); | |
| } | |
| else | |
| { | |
| pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; | |
| } | |
| } | |
| #else /* if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) */ | |
| { | |
| /* If dynamic allocation is not enabled, the memory | |
| * could not have been dynamically allocated. So there is | |
| * no need to free the memory - just mark the timer as | |
| * "not active". */ | |
| pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; | |
| } | |
| #endif /* configSUPPORT_DYNAMIC_ALLOCATION */ | |
| break; | |
| default: | |
| /* Don't expect to get here. */ | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static void prvSwitchTimerLists( void ) | |
| { | |
| TickType_t xNextExpireTime; | |
| List_t * pxTemp; | |
| /* The tick count has overflowed. The timer lists must be switched. | |
| * If there are any timers still referenced from the current timer list | |
| * then they must have expired and should be processed before the lists | |
| * are switched. */ | |
| while( listLIST_IS_EMPTY( pxCurrentTimerList ) == pdFALSE ) | |
| { | |
| xNextExpireTime = listGET_ITEM_VALUE_OF_HEAD_ENTRY( pxCurrentTimerList ); | |
| /* Process the expired timer. For auto-reload timers, be careful to | |
| * process only expirations that occur on the current list. Further | |
| * expirations must wait until after the lists are switched. */ | |
| prvProcessExpiredTimer( xNextExpireTime, tmrMAX_TIME_BEFORE_OVERFLOW ); | |
| } | |
| pxTemp = pxCurrentTimerList; | |
| pxCurrentTimerList = pxOverflowTimerList; | |
| pxOverflowTimerList = pxTemp; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| static void prvCheckForValidListAndQueue( void ) | |
| { | |
| /* Check that the list from which active timers are referenced, and the | |
| * queue used to communicate with the timer service, have been | |
| * initialised. */ | |
| taskENTER_CRITICAL(); | |
| { | |
| if( xTimerQueue == NULL ) | |
| { | |
| vListInitialise( &xActiveTimerList1 ); | |
| vListInitialise( &xActiveTimerList2 ); | |
| pxCurrentTimerList = &xActiveTimerList1; | |
| pxOverflowTimerList = &xActiveTimerList2; | |
| #if ( configSUPPORT_STATIC_ALLOCATION == 1 ) | |
| { | |
| /* The timer queue is allocated statically in case | |
| * configSUPPORT_DYNAMIC_ALLOCATION is 0. */ | |
| PRIVILEGED_DATA static StaticQueue_t xStaticTimerQueue; /*lint !e956 Ok to declare in this manner to prevent additional conditional compilation guards in other locations. */ | |
| PRIVILEGED_DATA static uint8_t ucStaticTimerQueueStorage[ ( size_t ) configTIMER_QUEUE_LENGTH * sizeof( DaemonTaskMessage_t ) ]; /*lint !e956 Ok to declare in this manner to prevent additional conditional compilation guards in other locations. */ | |
| xTimerQueue = xQueueCreateStatic( ( UBaseType_t ) configTIMER_QUEUE_LENGTH, ( UBaseType_t ) sizeof( DaemonTaskMessage_t ), &( ucStaticTimerQueueStorage[ 0 ] ), &xStaticTimerQueue ); | |
| } | |
| #else | |
| { | |
| xTimerQueue = xQueueCreate( ( UBaseType_t ) configTIMER_QUEUE_LENGTH, sizeof( DaemonTaskMessage_t ) ); | |
| } | |
| #endif /* if ( configSUPPORT_STATIC_ALLOCATION == 1 ) */ | |
| #if ( configQUEUE_REGISTRY_SIZE > 0 ) | |
| { | |
| if( xTimerQueue != NULL ) | |
| { | |
| vQueueAddToRegistry( xTimerQueue, "TmrQ" ); | |
| } | |
| else | |
| { | |
| mtCOVERAGE_TEST_MARKER(); | |
| } | |
| } | |
| #endif /* configQUEUE_REGISTRY_SIZE */ | |
| } | |
| else | |
| { | |
| mtCOVERAGE_TEST_MARKER(); | |
| } | |
| } | |
| taskEXIT_CRITICAL(); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| BaseType_t xTimerIsTimerActive( TimerHandle_t xTimer ) | |
| { | |
| BaseType_t xReturn; | |
| Timer_t * pxTimer = xTimer; | |
| configASSERT( xTimer ); | |
| /* Is the timer in the list of active timers? */ | |
| taskENTER_CRITICAL(); | |
| { | |
| if( ( pxTimer->ucStatus & tmrSTATUS_IS_ACTIVE ) == 0 ) | |
| { | |
| xReturn = pdFALSE; | |
| } | |
| else | |
| { | |
| xReturn = pdTRUE; | |
| } | |
| } | |
| taskEXIT_CRITICAL(); | |
| return xReturn; | |
| } /*lint !e818 Can't be pointer to const due to the typedef. */ | |
| /*-----------------------------------------------------------*/ | |
| void * pvTimerGetTimerID( const TimerHandle_t xTimer ) | |
| { | |
| Timer_t * const pxTimer = xTimer; | |
| void * pvReturn; | |
| configASSERT( xTimer ); | |
| taskENTER_CRITICAL(); | |
| { | |
| pvReturn = pxTimer->pvTimerID; | |
| } | |
| taskEXIT_CRITICAL(); | |
| return pvReturn; | |
| } | |
| /*-----------------------------------------------------------*/ | |
| void vTimerSetTimerID( TimerHandle_t xTimer, | |
| void * pvNewID ) | |
| { | |
| Timer_t * const pxTimer = xTimer; | |
| configASSERT( xTimer ); | |
| taskENTER_CRITICAL(); | |
| { | |
| pxTimer->pvTimerID = pvNewID; | |
| } | |
| taskEXIT_CRITICAL(); | |
| } | |
| /*-----------------------------------------------------------*/ | |
| #if ( INCLUDE_xTimerPendFunctionCall == 1 ) | |
| BaseType_t xTimerPendFunctionCallFromISR( PendedFunction_t xFunctionToPend, | |
| void * pvParameter1, | |
| uint32_t ulParameter2, | |
| BaseType_t * pxHigherPriorityTaskWoken ) | |
| { | |
| DaemonTaskMessage_t xMessage; | |
| BaseType_t xReturn; | |
| /* Complete the message with the function parameters and post it to the | |
| * daemon task. */ | |
| xMessage.xMessageID = tmrCOMMAND_EXECUTE_CALLBACK_FROM_ISR; | |
| xMessage.u.xCallbackParameters.pxCallbackFunction = xFunctionToPend; | |
| xMessage.u.xCallbackParameters.pvParameter1 = pvParameter1; | |
| xMessage.u.xCallbackParameters.ulParameter2 = ulParameter2; | |
| xReturn = xQueueSendFromISR( xTimerQueue, &xMessage, pxHigherPriorityTaskWoken ); | |
| tracePEND_FUNC_CALL_FROM_ISR( xFunctionToPend, pvParameter1, ulParameter2, xReturn ); | |
| return xReturn; | |
| } | |
| #endif /* INCLUDE_xTimerPendFunctionCall */ | |
| /*-----------------------------------------------------------*/ | |
| #if ( INCLUDE_xTimerPendFunctionCall == 1 ) | |
| BaseType_t xTimerPendFunctionCall( PendedFunction_t xFunctionToPend, | |
| void * pvParameter1, | |
| uint32_t ulParameter2, | |
| TickType_t xTicksToWait ) | |
| { | |
| DaemonTaskMessage_t xMessage; | |
| BaseType_t xReturn; | |
| /* This function can only be called after a timer has been created or | |
| * after the scheduler has been started because, until then, the timer | |
| * queue does not exist. */ | |
| configASSERT( xTimerQueue ); | |
| /* Complete the message with the function parameters and post it to the | |
| * daemon task. */ | |
| xMessage.xMessageID = tmrCOMMAND_EXECUTE_CALLBACK; | |
| xMessage.u.xCallbackParameters.pxCallbackFunction = xFunctionToPend; | |
| xMessage.u.xCallbackParameters.pvParameter1 = pvParameter1; | |
| xMessage.u.xCallbackParameters.ulParameter2 = ulParameter2; | |
| xReturn = xQueueSendToBack( xTimerQueue, &xMessage, xTicksToWait ); | |
| tracePEND_FUNC_CALL( xFunctionToPend, pvParameter1, ulParameter2, xReturn ); | |
| return xReturn; | |
| } | |
| #endif /* INCLUDE_xTimerPendFunctionCall */ | |
| /*-----------------------------------------------------------*/ | |
| #if ( configUSE_TRACE_FACILITY == 1 ) | |
| UBaseType_t uxTimerGetTimerNumber( TimerHandle_t xTimer ) | |
| { | |
| return ( ( Timer_t * ) xTimer )->uxTimerNumber; | |
| } | |
| #endif /* configUSE_TRACE_FACILITY */ | |
| /*-----------------------------------------------------------*/ | |
| #if ( configUSE_TRACE_FACILITY == 1 ) | |
| void vTimerSetTimerNumber( TimerHandle_t xTimer, | |
| UBaseType_t uxTimerNumber ) | |
| { | |
| ( ( Timer_t * ) xTimer )->uxTimerNumber = uxTimerNumber; | |
| } | |
| #endif /* configUSE_TRACE_FACILITY */ | |
| /*-----------------------------------------------------------*/ | |
| /* This entire source file will be skipped if the application is not configured | |
| * to include software timer functionality. If you want to include software timer | |
| * functionality then ensure configUSE_TIMERS is set to 1 in FreeRTOSConfig.h. */ | |
| #endif /* configUSE_TIMERS == 1 */ |