/*\r
- FreeRTOS V8.2.0rc1 - Copyright (C) 2014 Real Time Engineers Ltd.\r
+ FreeRTOS V9.0.1 - Copyright (C) 2017 Real Time Engineers Ltd.\r
All rights reserved\r
\r
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
\r
FreeRTOS is free software; you can redistribute it and/or modify it under\r
the terms of the GNU General Public License (version 2) as published by the\r
- Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
+ Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.\r
\r
+ ***************************************************************************\r
>>! NOTE: The modification to the GPL is included to allow you to !<<\r
>>! distribute a combined work that includes FreeRTOS without being !<<\r
>>! obliged to provide the source code for proprietary components !<<\r
>>! outside of the FreeRTOS kernel. !<<\r
+ ***************************************************************************\r
\r
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
FOR A PARTICULAR PURPOSE. Full license text is available on the following\r
link: http://www.freertos.org/a00114.html\r
\r
- 1 tab == 4 spaces!\r
-\r
- ***************************************************************************\r
- * *\r
- * Having a problem? Start by reading the FAQ "My application does *\r
- * not run, what could be wrong?". Have you defined configASSERT()? *\r
- * *\r
- * http://www.FreeRTOS.org/FAQHelp.html *\r
- * *\r
- ***************************************************************************\r
-\r
***************************************************************************\r
* *\r
* FreeRTOS provides completely free yet professionally developed, *\r
* *\r
***************************************************************************\r
\r
- ***************************************************************************\r
- * *\r
- * Investing in training allows your team to be as productive as *\r
- * possible as early as possible, lowering your overall development *\r
- * cost, and enabling you to bring a more robust product to market *\r
- * earlier than would otherwise be possible. Richard Barry is both *\r
- * the architect and key author of FreeRTOS, and so also the world's *\r
- * leading authority on what is the world's most popular real time *\r
- * kernel for deeply embedded MCU designs. Obtaining your training *\r
- * from Richard ensures your team will gain directly from his in-depth *\r
- * product knowledge and years of usage experience. Contact Real Time *\r
- * Engineers Ltd to enquire about the FreeRTOS Masterclass, presented *\r
- * by Richard Barry: http://www.FreeRTOS.org/contact\r
- * *\r
- ***************************************************************************\r
+ http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading\r
+ the FAQ page "My application does not run, what could be wrong?". Have you\r
+ defined configASSERT()?\r
\r
- ***************************************************************************\r
- * *\r
- * You are receiving this top quality software for free. Please play *\r
- * fair and reciprocate by reporting any suspected issues and *\r
- * participating in the community forum: *\r
- * http://www.FreeRTOS.org/support *\r
- * *\r
- * Thank you! *\r
- * *\r
- ***************************************************************************\r
+ http://www.FreeRTOS.org/support - In return for receiving this top quality\r
+ embedded software for free we request you assist our global community by\r
+ participating in the support forum.\r
\r
- http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
- license and Real Time Engineers Ltd. contact details.\r
+ http://www.FreeRTOS.org/training - Investing in training allows your team to\r
+ be as productive as possible as early as possible. Now you can receive\r
+ FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
+ Ltd, and the world's leading authority on the world's leading RTOS.\r
\r
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
\r
- http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
+ http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS\r
licenses offer ticketed support, indemnification and commercial middleware.\r
\r
privileged Vs unprivileged linkage and placement. */\r
#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE /*lint !e961 !e750. */\r
\r
-#if ( INCLUDE_xEventGroupSetBitFromISR == 1 ) && ( configUSE_TIMERS == 0 )\r
- #error configUSE_TIMERS must be set to 1 to make the xEventGroupSetBitFromISR() function available.\r
-#endif\r
-\r
-#if ( INCLUDE_xEventGroupSetBitFromISR == 1 ) && ( INCLUDE_xTimerPendFunctionCall == 0 )\r
- #error INCLUDE_xTimerPendFunctionCall must also be set to one to make the xEventGroupSetBitFromISR() function available.\r
-#endif\r
-\r
/* The following bit fields convey control information in a task's event list\r
item value. It is important they don't clash with the\r
taskEVENT_LIST_ITEM_VALUE_IN_USE definition. */\r
UBaseType_t uxEventGroupNumber;\r
#endif\r
\r
+ #if( ( configSUPPORT_STATIC_ALLOCATION == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) )\r
+ uint8_t ucStaticallyAllocated; /*< Set to pdTRUE if the event group is statically allocated to ensure no attempt is made to free the memory. */\r
+ #endif\r
} EventGroup_t;\r
\r
/*-----------------------------------------------------------*/\r
* wait condition is met if any of the bits set in uxBitsToWait for are also set\r
* in uxCurrentEventBits.\r
*/\r
-static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits, const EventBits_t uxBitsToWaitFor, const BaseType_t xWaitForAllBits );\r
+static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits, const EventBits_t uxBitsToWaitFor, const BaseType_t xWaitForAllBits ) PRIVILEGED_FUNCTION;\r
\r
/*-----------------------------------------------------------*/\r
\r
-EventGroupHandle_t xEventGroupCreate( void )\r
-{\r
-EventGroup_t *pxEventBits;\r
+#if( configSUPPORT_STATIC_ALLOCATION == 1 )\r
\r
- pxEventBits = pvPortMalloc( sizeof( EventGroup_t ) );\r
- if( pxEventBits != NULL )\r
+ EventGroupHandle_t xEventGroupCreateStatic( StaticEventGroup_t *pxEventGroupBuffer )\r
{\r
- pxEventBits->uxEventBits = 0;\r
- vListInitialise( &( pxEventBits->xTasksWaitingForBits ) );\r
- traceEVENT_GROUP_CREATE( pxEventBits );\r
+ EventGroup_t *pxEventBits;\r
+\r
+ /* A StaticEventGroup_t object must be provided. */\r
+ configASSERT( pxEventGroupBuffer );\r
+\r
+ #if( configASSERT_DEFINED == 1 )\r
+ {\r
+ /* Sanity check that the size of the structure used to declare a\r
+ variable of type StaticEventGroup_t equals the size of the real\r
+ event group structure. */\r
+ volatile size_t xSize = sizeof( StaticEventGroup_t );\r
+ configASSERT( xSize == sizeof( EventGroup_t ) );\r
+ }\r
+ #endif /* configASSERT_DEFINED */\r
+\r
+ /* The user has provided a statically allocated event group - use it. */\r
+ pxEventBits = ( EventGroup_t * ) pxEventGroupBuffer; /*lint !e740 EventGroup_t and StaticEventGroup_t are guaranteed to have the same size and alignment requirement - checked by configASSERT(). */\r
+\r
+ if( pxEventBits != NULL )\r
+ {\r
+ pxEventBits->uxEventBits = 0;\r
+ vListInitialise( &( pxEventBits->xTasksWaitingForBits ) );\r
+\r
+ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 )\r
+ {\r
+ /* Both static and dynamic allocation can be used, so note that\r
+ this event group was created statically in case the event group\r
+ is later deleted. */\r
+ pxEventBits->ucStaticallyAllocated = pdTRUE;\r
+ }\r
+ #endif /* configSUPPORT_DYNAMIC_ALLOCATION */\r
+\r
+ traceEVENT_GROUP_CREATE( pxEventBits );\r
+ }\r
+ else\r
+ {\r
+ traceEVENT_GROUP_CREATE_FAILED();\r
+ }\r
+\r
+ return ( EventGroupHandle_t ) pxEventBits;\r
}\r
- else\r
+\r
+#endif /* configSUPPORT_STATIC_ALLOCATION */\r
+/*-----------------------------------------------------------*/\r
+\r
+#if( configSUPPORT_DYNAMIC_ALLOCATION == 1 )\r
+\r
+ EventGroupHandle_t xEventGroupCreate( void )\r
{\r
- traceEVENT_GROUP_CREATE_FAILED();\r
+ EventGroup_t *pxEventBits;\r
+\r
+ /* Allocate the event group. */\r
+ pxEventBits = ( EventGroup_t * ) pvPortMalloc( sizeof( EventGroup_t ) );\r
+\r
+ if( pxEventBits != NULL )\r
+ {\r
+ pxEventBits->uxEventBits = 0;\r
+ vListInitialise( &( pxEventBits->xTasksWaitingForBits ) );\r
+\r
+ #if( configSUPPORT_STATIC_ALLOCATION == 1 )\r
+ {\r
+ /* Both static and dynamic allocation can be used, so note this\r
+ event group was allocated statically in case the event group is\r
+ later deleted. */\r
+ pxEventBits->ucStaticallyAllocated = pdFALSE;\r
+ }\r
+ #endif /* configSUPPORT_STATIC_ALLOCATION */\r
+\r
+ traceEVENT_GROUP_CREATE( pxEventBits );\r
+ }\r
+ else\r
+ {\r
+ traceEVENT_GROUP_CREATE_FAILED();\r
+ }\r
+\r
+ return ( EventGroupHandle_t ) pxEventBits;\r
}\r
\r
- return ( EventGroupHandle_t ) pxEventBits;\r
-}\r
+#endif /* configSUPPORT_DYNAMIC_ALLOCATION */\r
/*-----------------------------------------------------------*/\r
\r
EventBits_t xEventGroupSync( EventGroupHandle_t xEventGroup, const EventBits_t uxBitsToSet, const EventBits_t uxBitsToWaitFor, TickType_t xTicksToWait )\r
eventUNBLOCKED_DUE_TO_BIT_SET bit is set so the task knows\r
that is was unblocked due to its required bits matching, rather\r
than because it timed out. */\r
- ( void ) xTaskRemoveFromUnorderedEventList( pxListItem, pxEventBits->uxEventBits | eventUNBLOCKED_DUE_TO_BIT_SET );\r
+ vTaskRemoveFromUnorderedEventList( pxListItem, pxEventBits->uxEventBits | eventUNBLOCKED_DUE_TO_BIT_SET );\r
}\r
\r
/* Move onto the next list item. Note pxListItem->pxNext is not\r
while( listCURRENT_LIST_LENGTH( pxTasksWaitingForBits ) > ( UBaseType_t ) 0 )\r
{\r
/* Unblock the task, returning 0 as the event list is being deleted\r
- and cannot therefore have any bits set. */\r
- configASSERT( pxTasksWaitingForBits->xListEnd.pxNext != ( ListItem_t * ) &( pxTasksWaitingForBits->xListEnd ) );\r
- ( void ) xTaskRemoveFromUnorderedEventList( pxTasksWaitingForBits->xListEnd.pxNext, eventUNBLOCKED_DUE_TO_BIT_SET );\r
+ and cannot therefore have any bits set. */\r
+ configASSERT( pxTasksWaitingForBits->xListEnd.pxNext != ( const ListItem_t * ) &( pxTasksWaitingForBits->xListEnd ) );\r
+ vTaskRemoveFromUnorderedEventList( pxTasksWaitingForBits->xListEnd.pxNext, eventUNBLOCKED_DUE_TO_BIT_SET );\r
}\r
\r
- vPortFree( pxEventBits );\r
+ #if( ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 0 ) )\r
+ {\r
+ /* The event group can only have been allocated dynamically - free\r
+ it again. */\r
+ vPortFree( pxEventBits );\r
+ }\r
+ #elif( ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 1 ) )\r
+ {\r
+ /* The event group could have been allocated statically or\r
+ dynamically, so check before attempting to free the memory. */\r
+ if( pxEventBits->ucStaticallyAllocated == ( uint8_t ) pdFALSE )\r
+ {\r
+ vPortFree( pxEventBits );\r
+ }\r
+ else\r
+ {\r
+ mtCOVERAGE_TEST_MARKER();\r
+ }\r
+ }\r
+ #endif /* configSUPPORT_DYNAMIC_ALLOCATION */\r
}\r
( void ) xTaskResumeAll();\r
}\r
projects / freertos / blobdiff