/*\r
- FreeRTOS V8.2.0 - Copyright (C) 2015 Real Time Engineers Ltd.\r
+ FreeRTOS V9.0.0 - Copyright (C) 2016 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
+ ***************************************************************************\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
\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
***************************************************************************\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
+ the FAQ page "My application does not run, what could be wrong?". Have you\r
+ defined configASSERT()?\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
+ 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/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
+ 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
#define recmuMAX_COUNT ( 10 )\r
\r
/* Misc. */\r
-#define recmuSHORT_DELAY ( 20 / portTICK_PERIOD_MS )\r
+#define recmuSHORT_DELAY ( pdMS_TO_TICKS( 20 ) )\r
#define recmuNO_DELAY ( ( TickType_t ) 0 )\r
-#define recmuEIGHT_TICK_DELAY ( ( TickType_t ) 8 )\r
+#define recmu15ms_DELAY ( pdMS_TO_TICKS( 15 ) )\r
\r
/* The three tasks as described at the top of this file. */\r
static void prvRecursiveMutexControllingTask( void *pvParameters );\r
\r
xMutex = xSemaphoreCreateRecursiveMutex();\r
\r
- /* vQueueAddToRegistry() adds the mutex to the registry, if one is\r
- in use. The registry is provided as a means for kernel aware\r
- debuggers to locate mutex and has no purpose if a kernel aware debugger\r
- is not being used. The call to vQueueAddToRegistry() will be removed\r
- by the pre-processor if configQUEUE_REGISTRY_SIZE is not defined or is\r
- defined to be less than 1. */\r
- vQueueAddToRegistry( ( QueueHandle_t ) xMutex, "Recursive_Mutex" );\r
-\r
-\r
if( xMutex != NULL )\r
{\r
+ /* vQueueAddToRegistry() adds the mutex to the registry, if one is\r
+ in use. The registry is provided as a means for kernel aware\r
+ debuggers to locate mutex and has no purpose if a kernel aware debugger\r
+ is not being used. The call to vQueueAddToRegistry() will be removed\r
+ by the pre-processor if configQUEUE_REGISTRY_SIZE is not defined or is\r
+ defined to be less than 1. */\r
+ vQueueAddToRegistry( ( QueueHandle_t ) xMutex, "Recursive_Mutex" );\r
+\r
xTaskCreate( prvRecursiveMutexControllingTask, "Rec1", configMINIMAL_STACK_SIZE, NULL, recmuCONTROLLING_TASK_PRIORITY, &xControllingTaskHandle );\r
- xTaskCreate( prvRecursiveMutexBlockingTask, "Rec2", configMINIMAL_STACK_SIZE, NULL, recmuBLOCKING_TASK_PRIORITY, &xBlockingTaskHandle );\r
- xTaskCreate( prvRecursiveMutexPollingTask, "Rec3", configMINIMAL_STACK_SIZE, NULL, recmuPOLLING_TASK_PRIORITY, NULL );\r
+ xTaskCreate( prvRecursiveMutexBlockingTask, "Rec2", configMINIMAL_STACK_SIZE, NULL, recmuBLOCKING_TASK_PRIORITY, &xBlockingTaskHandle );\r
+ xTaskCreate( prvRecursiveMutexPollingTask, "Rec3", configMINIMAL_STACK_SIZE, NULL, recmuPOLLING_TASK_PRIORITY, NULL );\r
}\r
}\r
/*-----------------------------------------------------------*/\r
long enough to ensure the polling task will execute again before the\r
block time expires. If the block time does expire then the error\r
flag will be set here. */\r
- if( xSemaphoreTakeRecursive( xMutex, recmuEIGHT_TICK_DELAY ) != pdPASS )\r
+ if( xSemaphoreTakeRecursive( xMutex, recmu15ms_DELAY ) != pdPASS )\r
{\r
xErrorOccurred = pdTRUE;\r
}\r
{\r
xErrorOccurred = pdTRUE;\r
}\r
+\r
+ #if( configUSE_PREEMPTION == 0 )\r
+ taskYIELD();\r
+ #endif\r
}\r
\r
/* Having given it back the same number of times as it was taken, we\r
error will be latched if the polling task has not returned the\r
mutex by the time this fixed period has expired. */\r
vTaskResume( xBlockingTaskHandle );\r
- vTaskResume( xControllingTaskHandle );\r
+ #if( configUSE_PREEMPTION == 0 )\r
+ taskYIELD();\r
+ #endif\r
+\r
+ vTaskResume( xControllingTaskHandle );\r
+ #if( configUSE_PREEMPTION == 0 )\r
+ taskYIELD();\r
+ #endif\r
\r
/* The other two tasks should now have executed and no longer\r
be suspended. */\r
}\r
else\r
{\r
- xReturn = pdTRUE;\r
+ xReturn = pdPASS;\r
}\r
\r
return xReturn;\r