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authorhathach <[email protected]>2013-04-15 19:08:24 +0800
committerhathach <[email protected]>2013-04-15 19:08:24 +0800
commit89133d36cef52fe470547d345492a8a6c83cd599 (patch)
treee0e803f6eefbfc48f65f66d1d3056387e6f420a7 /tests/test/support/FreeRTOS/Source/timers.c
parent3a6d2da854d89cd27a82664f0b5857ef8c48badc (diff)
add freeRTOS source from vendor to test
remove temp freeRTOS folder in test/support use test/support/FreeRTOSConfig.h from win32-mingw demo temporarily disable all tests in test_osal_freeRTOS.c
Diffstat (limited to 'tests/test/support/FreeRTOS/Source/timers.c')
-rw-r--r--tests/test/support/FreeRTOS/Source/timers.c688
1 files changed, 0 insertions, 688 deletions
diff --git a/tests/test/support/FreeRTOS/Source/timers.c b/tests/test/support/FreeRTOS/Source/timers.c
deleted file mode 100644
index bb829f712..000000000
--- a/tests/test/support/FreeRTOS/Source/timers.c
+++ /dev/null
@@ -1,688 +0,0 @@
-/*
- FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd.
-
- FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
- http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
-
- ***************************************************************************
- * *
- * FreeRTOS tutorial books are available in pdf and paperback. *
- * Complete, revised, and edited pdf reference manuals are also *
- * available. *
- * *
- * Purchasing FreeRTOS documentation will not only help you, by *
- * ensuring you get running as quickly as possible and with an *
- * in-depth knowledge of how to use FreeRTOS, it will also help *
- * the FreeRTOS project to continue with its mission of providing *
- * professional grade, cross platform, de facto standard solutions *
- * for microcontrollers - completely free of charge! *
- * *
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
- * *
- * Thank you for using FreeRTOS, and thank you for your support! *
- * *
- ***************************************************************************
-
-
- 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. See the GNU General Public License for
- more details. You should have received a copy of the GNU General Public
- License and the FreeRTOS license exception along with FreeRTOS; if not it
- can be viewed here: http://www.freertos.org/a00114.html and also obtained
- by writing to Richard Barry, contact details for whom are available on the
- FreeRTOS WEB site.
-
- 1 tab == 4 spaces!
-
- ***************************************************************************
- * *
- * Having a problem? Start by reading the FAQ "My application does *
- * not run, what could be wrong?" *
- * *
- * http://www.FreeRTOS.org/FAQHelp.html *
- * *
- ***************************************************************************
-
-
- http://www.FreeRTOS.org - Documentation, training, latest versions, license
- and contact details.
-
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
- including FreeRTOS+Trace - an indispensable productivity tool.
-
- Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
- the code with commercial support, indemnification, and middleware, under
- the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
- provide a safety engineered and independently SIL3 certified version under
- the SafeRTOS brand: http://www.SafeRTOS.com.
-*/
-
-/* 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"
-
-#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE
-
-/* 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 ( portTickType ) 0U
-
-/* The definition of the timers themselves. */
-typedef struct tmrTimerControl
-{
- const signed char *pcTimerName; /*<< Text name. This is not used by the kernel, it is included simply to make debugging easier. */
- xListItem xTimerListItem; /*<< Standard linked list item as used by all kernel features for event management. */
- portTickType xTimerPeriodInTicks;/*<< How quickly and often the timer expires. */
- unsigned portBASE_TYPE uxAutoReload; /*<< Set to pdTRUE if the timer should be automatically restarted once expired. Set to pdFALSE if the timer is, in effect, a one shot timer. */
- void *pvTimerID; /*<< An ID to identify the timer. This allows the timer to be identified when the same callback is used for multiple timers. */
- tmrTIMER_CALLBACK pxCallbackFunction; /*<< The function that will be called when the timer expires. */
-} xTIMER;
-
-/* The definition of messages that can be sent and received on the timer
-queue. */
-typedef struct tmrTimerQueueMessage
-{
- portBASE_TYPE xMessageID; /*<< The command being sent to the timer service task. */
- portTickType xMessageValue; /*<< An optional value used by a subset of commands, for example, when changing the period of a timer. */
- xTIMER * pxTimer; /*<< The timer to which the command will be applied. */
-} xTIMER_MESSAGE;
-
-
-/* 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 xActiveTimerList. */
-PRIVILEGED_DATA static xList xActiveTimerList1;
-PRIVILEGED_DATA static xList xActiveTimerList2;
-PRIVILEGED_DATA static xList *pxCurrentTimerList;
-PRIVILEGED_DATA static xList *pxOverflowTimerList;
-
-/* A queue that is used to send commands to the timer service task. */
-PRIVILEGED_DATA static xQueueHandle xTimerQueue = NULL;
-
-#if ( INCLUDE_xTimerGetTimerDaemonTaskHandle == 1 )
-
- PRIVILEGED_DATA static xTaskHandle xTimerTaskHandle = NULL;
-
-#endif
-
-/*-----------------------------------------------------------*/
-
-/*
- * 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 void prvTimerTask( void *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 portBASE_TYPE prvInsertTimerInActiveList( xTIMER *pxTimer, portTickType xNextExpiryTime, portTickType xTimeNow, portTickType xCommandTime ) 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( portTickType xNextExpireTime, portTickType 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( portTickType xLastTime ) PRIVILEGED_FUNCTION;
-
-/*
- * Obtain the current tick count, setting *pxTimerListsWereSwitched to pdTRUE
- * if a tick count overflow occurred since prvSampleTimeNow() was last called.
- */
-static portTickType prvSampleTimeNow( portBASE_TYPE *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 portTickType prvGetNextExpireTime( portBASE_TYPE *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( portTickType xNextExpireTime, portBASE_TYPE xListWasEmpty ) PRIVILEGED_FUNCTION;
-
-/*-----------------------------------------------------------*/
-
-portBASE_TYPE xTimerCreateTimerTask( void )
-{
-portBASE_TYPE 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 ( INCLUDE_xTimerGetTimerDaemonTaskHandle == 1 )
- {
- /* Create the timer task, storing its handle in xTimerTaskHandle so
- it can be returned by the xTimerGetTimerDaemonTaskHandle() function. */
- xReturn = xTaskCreate( prvTimerTask, ( const signed char * ) "Tmr Svc", ( unsigned short ) configTIMER_TASK_STACK_DEPTH, NULL, ( ( unsigned portBASE_TYPE ) configTIMER_TASK_PRIORITY ) | portPRIVILEGE_BIT, &xTimerTaskHandle );
- }
- #else
- {
- /* Create the timer task without storing its handle. */
- xReturn = xTaskCreate( prvTimerTask, ( const signed char * ) "Tmr Svc", ( unsigned short ) configTIMER_TASK_STACK_DEPTH, NULL, ( ( unsigned portBASE_TYPE ) configTIMER_TASK_PRIORITY ) | portPRIVILEGE_BIT, NULL);
- }
- #endif
- }
-
- configASSERT( xReturn );
- return xReturn;
-}
-/*-----------------------------------------------------------*/
-
-xTimerHandle xTimerCreate( const signed char * const pcTimerName, portTickType xTimerPeriodInTicks, unsigned portBASE_TYPE uxAutoReload, void *pvTimerID, tmrTIMER_CALLBACK pxCallbackFunction )
-{
-xTIMER *pxNewTimer;
-
- /* Allocate the timer structure. */
- if( xTimerPeriodInTicks == ( portTickType ) 0U )
- {
- pxNewTimer = NULL;
- configASSERT( ( xTimerPeriodInTicks > 0 ) );
- }
- else
- {
- pxNewTimer = ( xTIMER * ) pvPortMalloc( sizeof( xTIMER ) );
- if( pxNewTimer != NULL )
- {
- /* 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->uxAutoReload = uxAutoReload;
- pxNewTimer->pvTimerID = pvTimerID;
- pxNewTimer->pxCallbackFunction = pxCallbackFunction;
- vListInitialiseItem( &( pxNewTimer->xTimerListItem ) );
-
- traceTIMER_CREATE( pxNewTimer );
- }
- else
- {
- traceTIMER_CREATE_FAILED();
- }
- }
-
- return ( xTimerHandle ) pxNewTimer;
-}
-/*-----------------------------------------------------------*/
-
-portBASE_TYPE xTimerGenericCommand( xTimerHandle xTimer, portBASE_TYPE xCommandID, portTickType xOptionalValue, signed portBASE_TYPE *pxHigherPriorityTaskWoken, portTickType xBlockTime )
-{
-portBASE_TYPE xReturn = pdFAIL;
-xTIMER_MESSAGE xMessage;
-
- /* 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.xMessageValue = xOptionalValue;
- xMessage.pxTimer = ( xTIMER * ) xTimer;
-
- if( pxHigherPriorityTaskWoken == NULL )
- {
- if( xTaskGetSchedulerState() == taskSCHEDULER_RUNNING )
- {
- xReturn = xQueueSendToBack( xTimerQueue, &xMessage, xBlockTime );
- }
- else
- {
- xReturn = xQueueSendToBack( xTimerQueue, &xMessage, tmrNO_DELAY );
- }
- }
- else
- {
- xReturn = xQueueSendToBackFromISR( xTimerQueue, &xMessage, pxHigherPriorityTaskWoken );
- }
-
- traceTIMER_COMMAND_SEND( xTimer, xCommandID, xOptionalValue, xReturn );
- }
-
- return xReturn;
-}
-/*-----------------------------------------------------------*/
-
-#if ( INCLUDE_xTimerGetTimerDaemonTaskHandle == 1 )
-
- xTaskHandle xTimerGetTimerDaemonTaskHandle( void )
- {
- /* If xTimerGetTimerDaemonTaskHandle() is called before the scheduler has been
- started, then xTimerTaskHandle will be NULL. */
- configASSERT( ( xTimerTaskHandle != NULL ) );
- return xTimerTaskHandle;
- }
-
-#endif
-/*-----------------------------------------------------------*/
-
-static void prvProcessExpiredTimer( portTickType xNextExpireTime, portTickType xTimeNow )
-{
-xTIMER *pxTimer;
-portBASE_TYPE xResult;
-
- /* Remove the timer from the list of active timers. A check has already
- been performed to ensure the list is not empty. */
- pxTimer = ( xTIMER * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList );
- uxListRemove( &( pxTimer->xTimerListItem ) );
- traceTIMER_EXPIRED( pxTimer );
-
- /* 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->uxAutoReload == ( unsigned portBASE_TYPE ) pdTRUE )
- {
- /* This is the only time a timer is inserted into a list using
- a time relative to anything other than the current time. It
- will therefore be inserted into the correct list relative to
- the time this task thinks it is now, even if a command to
- switch lists due to a tick count overflow is already waiting in
- the timer queue. */
- if( prvInsertTimerInActiveList( pxTimer, ( xNextExpireTime + pxTimer->xTimerPeriodInTicks ), xTimeNow, xNextExpireTime ) == pdTRUE )
- {
- /* The timer expired before it was added to the active timer
- list. Reload it now. */
- xResult = xTimerGenericCommand( pxTimer, tmrCOMMAND_START, xNextExpireTime, NULL, tmrNO_DELAY );
- configASSERT( xResult );
- ( void ) xResult;
- }
- }
-
- /* Call the timer callback. */
- pxTimer->pxCallbackFunction( ( xTimerHandle ) pxTimer );
-}
-/*-----------------------------------------------------------*/
-
-static void prvTimerTask( void *pvParameters )
-{
-portTickType xNextExpireTime;
-portBASE_TYPE xListWasEmpty;
-
- /* Just to avoid compiler warnings. */
- ( void ) pvParameters;
-
- 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( portTickType xNextExpireTime, portBASE_TYPE xListWasEmpty )
-{
-portTickType xTimeNow;
-portBASE_TYPE 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
- prvSampelTimeNow() function. */
- xTimeNow = prvSampleTimeNow( &xTimerListsWereSwitched );
- if( xTimerListsWereSwitched == pdFALSE )
- {
- /* The tick count has not overflowed, has the timer expired? */
- if( ( xListWasEmpty == pdFALSE ) && ( xNextExpireTime <= xTimeNow ) )
- {
- 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. */
- vQueueWaitForMessageRestricted( xTimerQueue, ( xNextExpireTime - xTimeNow ) );
-
- 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
- {
- xTaskResumeAll();
- }
- }
-}
-/*-----------------------------------------------------------*/
-
-static portTickType prvGetNextExpireTime( portBASE_TYPE *pxListWasEmpty )
-{
-portTickType 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 = ( portTickType ) 0U;
- }
-
- return xNextExpireTime;
-}
-/*-----------------------------------------------------------*/
-
-static portTickType prvSampleTimeNow( portBASE_TYPE *pxTimerListsWereSwitched )
-{
-portTickType xTimeNow;
-PRIVILEGED_DATA static portTickType xLastTime = ( portTickType ) 0U;
-
- xTimeNow = xTaskGetTickCount();
-
- if( xTimeNow < xLastTime )
- {
- prvSwitchTimerLists( xLastTime );
- *pxTimerListsWereSwitched = pdTRUE;
- }
- else
- {
- *pxTimerListsWereSwitched = pdFALSE;
- }
-
- xLastTime = xTimeNow;
-
- return xTimeNow;
-}
-/*-----------------------------------------------------------*/
-
-static portBASE_TYPE prvInsertTimerInActiveList( xTIMER *pxTimer, portTickType xNextExpiryTime, portTickType xTimeNow, portTickType xCommandTime )
-{
-portBASE_TYPE 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( ( ( portTickType ) ( xTimeNow - xCommandTime ) ) >= pxTimer->xTimerPeriodInTicks )
- {
- /* 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 )
-{
-xTIMER_MESSAGE xMessage;
-xTIMER *pxTimer;
-portBASE_TYPE xTimerListsWereSwitched, xResult;
-portTickType xTimeNow;
-
- /* In this case the xTimerListsWereSwitched parameter is not used, but it
- must be present in the function call. */
- xTimeNow = prvSampleTimeNow( &xTimerListsWereSwitched );
-
- while( xQueueReceive( xTimerQueue, &xMessage, tmrNO_DELAY ) != pdFAIL )
- {
- pxTimer = xMessage.pxTimer;
-
- /* Is the timer already in a list of active timers? When the command
- is trmCOMMAND_PROCESS_TIMER_OVERFLOW, the timer will be NULL as the
- command is to the task rather than to an individual timer. */
- if( pxTimer != NULL )
- {
- if( listIS_CONTAINED_WITHIN( NULL, &( pxTimer->xTimerListItem ) ) == pdFALSE )
- {
- /* The timer is in a list, remove it. */
- uxListRemove( &( pxTimer->xTimerListItem ) );
- }
- }
-
- traceTIMER_COMMAND_RECEIVED( pxTimer, xMessage.xMessageID, xMessage.xMessageValue );
-
- switch( xMessage.xMessageID )
- {
- case tmrCOMMAND_START :
- /* Start or restart a timer. */
- if( prvInsertTimerInActiveList( pxTimer, xMessage.xMessageValue + pxTimer->xTimerPeriodInTicks, xTimeNow, xMessage.xMessageValue ) == pdTRUE )
- {
- /* The timer expired before it was added to the active timer
- list. Process it now. */
- pxTimer->pxCallbackFunction( ( xTimerHandle ) pxTimer );
-
- if( pxTimer->uxAutoReload == ( unsigned portBASE_TYPE ) pdTRUE )
- {
- xResult = xTimerGenericCommand( pxTimer, tmrCOMMAND_START, xMessage.xMessageValue + pxTimer->xTimerPeriodInTicks, NULL, tmrNO_DELAY );
- configASSERT( xResult );
- ( void ) xResult;
- }
- }
- break;
-
- case tmrCOMMAND_STOP :
- /* The timer has already been removed from the active list.
- There is nothing to do here. */
- break;
-
- case tmrCOMMAND_CHANGE_PERIOD :
- pxTimer->xTimerPeriodInTicks = xMessage.xMessageValue;
- configASSERT( ( pxTimer->xTimerPeriodInTicks > 0 ) );
- prvInsertTimerInActiveList( pxTimer, ( xTimeNow + pxTimer->xTimerPeriodInTicks ), xTimeNow, xTimeNow );
- break;
-
- case tmrCOMMAND_DELETE :
- /* The timer has already been removed from the active list,
- just free up the memory. */
- vPortFree( pxTimer );
- break;
-
- default :
- /* Don't expect to get here. */
- break;
- }
- }
-}
-/*-----------------------------------------------------------*/
-
-static void prvSwitchTimerLists( portTickType xLastTime )
-{
-portTickType xNextExpireTime, xReloadTime;
-xList *pxTemp;
-xTIMER *pxTimer;
-portBASE_TYPE xResult;
-
- /* Remove compiler warnings if configASSERT() is not defined. */
- ( void ) xLastTime;
-
- /* 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 );
-
- /* Remove the timer from the list. */
- pxTimer = ( xTIMER * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList );
- uxListRemove( &( pxTimer->xTimerListItem ) );
-
- /* Execute its callback, then send a command to restart the timer if
- it is an auto-reload timer. It cannot be restarted here as the lists
- have not yet been switched. */
- pxTimer->pxCallbackFunction( ( xTimerHandle ) pxTimer );
-
- if( pxTimer->uxAutoReload == ( unsigned portBASE_TYPE ) pdTRUE )
- {
- /* Calculate the reload value, and if the reload value results in
- the timer going into the same timer list then it has already expired
- and the timer should be re-inserted into the current list so it is
- processed again within this loop. Otherwise a command should be sent
- to restart the timer to ensure it is only inserted into a list after
- the lists have been swapped. */
- xReloadTime = ( xNextExpireTime + pxTimer->xTimerPeriodInTicks );
- if( xReloadTime > xNextExpireTime )
- {
- listSET_LIST_ITEM_VALUE( &( pxTimer->xTimerListItem ), xReloadTime );
- listSET_LIST_ITEM_OWNER( &( pxTimer->xTimerListItem ), pxTimer );
- vListInsert( pxCurrentTimerList, &( pxTimer->xTimerListItem ) );
- }
- else
- {
- xResult = xTimerGenericCommand( pxTimer, tmrCOMMAND_START, xNextExpireTime, NULL, tmrNO_DELAY );
- configASSERT( xResult );
- ( void ) xResult;
- }
- }
- }
-
- 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;
- xTimerQueue = xQueueCreate( ( unsigned portBASE_TYPE ) configTIMER_QUEUE_LENGTH, sizeof( xTIMER_MESSAGE ) );
- }
- }
- taskEXIT_CRITICAL();
-}
-/*-----------------------------------------------------------*/
-
-portBASE_TYPE xTimerIsTimerActive( xTimerHandle xTimer )
-{
-portBASE_TYPE xTimerIsInActiveList;
-xTIMER *pxTimer = ( xTIMER * ) xTimer;
-
- /* Is the timer in the list of active timers? */
- taskENTER_CRITICAL();
- {
- /* Checking to see if it is in the NULL list in effect checks to see if
- it is referenced from either the current or the overflow timer lists in
- one go, but the logic has to be reversed, hence the '!'. */
- xTimerIsInActiveList = !( listIS_CONTAINED_WITHIN( NULL, &( pxTimer->xTimerListItem ) ) );
- }
- taskEXIT_CRITICAL();
-
- return xTimerIsInActiveList;
-}
-/*-----------------------------------------------------------*/
-
-void *pvTimerGetTimerID( xTimerHandle xTimer )
-{
-xTIMER *pxTimer = ( xTIMER * ) xTimer;
-
- return pxTimer->pvTimerID;
-}
-/*-----------------------------------------------------------*/
-
-/* 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 */