/*\r
- FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.\r
- \r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS tutorial books are available in pdf and paperback. *\r
- * Complete, revised, and edited pdf reference manuals are also *\r
- * available. *\r
- * *\r
- * Purchasing FreeRTOS documentation will not only help you, by *\r
- * ensuring you get running as quickly as possible and with an *\r
- * in-depth knowledge of how to use FreeRTOS, it will also help *\r
- * the FreeRTOS project to continue with its mission of providing *\r
- * professional grade, cross platform, de facto standard solutions *\r
- * for microcontrollers - completely free of charge! *\r
- * *\r
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
- * *\r
- * Thank you for using FreeRTOS, and thank you for your support! *\r
- * *\r
- ***************************************************************************\r
-\r
-\r
- This file is part of the FreeRTOS distribution.\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
- >>>NOTE<<< The modification to the GPL is included to allow you to\r
- distribute a combined work that includes FreeRTOS without being obliged to\r
- provide the source code for proprietary components outside of the FreeRTOS\r
- kernel. FreeRTOS is distributed in the hope that it will be useful, but\r
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
- more details. You should have received a copy of the GNU General Public\r
- License and the FreeRTOS license exception along with FreeRTOS; if not it\r
- can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
- by writing to Richard Barry, contact details for whom are available on the\r
- FreeRTOS WEB site.\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? *\r
- * *\r
- * http://www.FreeRTOS.org/FAQHelp.html *\r
- * *\r
- ***************************************************************************\r
-\r
- \r
- http://www.FreeRTOS.org - Documentation, training, latest information, \r
- license and contact details.\r
- \r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool.\r
-\r
- Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell \r
- the code with commercial support, indemnification, and middleware, under \r
- the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also\r
- provide a safety engineered and independently SIL3 certified version under \r
- the SafeRTOS brand: http://www.SafeRTOS.com.\r
-*/\r
+ * FreeRTOS Kernel V10.3.0\r
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+ * this software and associated documentation files (the "Software"), to deal in\r
+ * the Software without restriction, including without limitation the rights to\r
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
+ * the Software, and to permit persons to whom the Software is furnished to do so,\r
+ * subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included in all\r
+ * copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ *\r
+ * http://www.FreeRTOS.org\r
+ * http://aws.amazon.com/freertos\r
+ *\r
+ * 1 tab == 4 spaces!\r
+ */\r
\r
/*\r
The tasks defined on this page demonstrate the use of recursive mutexes.\r
of times the loop that takes/gives the recursive mutex executes. */\r
#define recmuMAX_COUNT ( 2 )\r
#define recmuSHORT_DELAY ( 20 )\r
-#define recmuNO_DELAY ( ( portTickType ) 0 )\r
-#define recmuFIVE_TICK_DELAY ( ( portTickType ) 5 )\r
+#define recmuNO_DELAY ( ( TickType_t ) 0 )\r
+#define recmuFIVE_TICK_DELAY ( ( TickType_t ) 5 )\r
\r
/* The three tasks as described at the top of this file. */\r
static void prvRecursiveMutexControllingTask( void *pvParameters );\r
static void prvRecursiveMutexPollingTask( void *pvParameters );\r
\r
/* The mutex used by the demo. */\r
-static xSemaphoreHandle xMutex;\r
+static SemaphoreHandle_t xMutex;\r
\r
/* Variables used to detect and latch errors. */\r
static volatile portBASE_TYPE xErrorOccurred = pdFALSE, xControllingIsSuspended = pdFALSE, xBlockingIsSuspended = pdFALSE;\r
\r
/* Handles of the two higher priority tasks, required so they can be resumed \r
(unsuspended). */\r
-static xTaskHandle xControllingTaskHandle, xBlockingTaskHandle;\r
+static TaskHandle_t xControllingTaskHandle, xBlockingTaskHandle, xPollingTaskHandle;\r
\r
/*-----------------------------------------------------------*/\r
\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( ( xQueueHandle ) xMutex, ( signed portCHAR * ) "Recursive_Mutex" );\r
+ vQueueAddToRegistry( ( QueueHandle_t ) xMutex, "Recursive_Mutex" );\r
\r
\r
if( xMutex != NULL )\r
{\r
- xTaskCreate( prvRecursiveMutexControllingTask, ( signed portCHAR * ) "Rec1Ctrl", configMINIMAL_STACK_SIZE, NULL, recmuCONTROLLING_TASK_PRIORITY, &xControllingTaskHandle );\r
- xTaskCreate( prvRecursiveMutexBlockingTask, ( signed portCHAR * ) "Rec2Blck", configMINIMAL_STACK_SIZE, NULL, recmuBLOCKING_TASK_PRIORITY, &xBlockingTaskHandle );\r
- xTaskCreate( prvRecursiveMutexPollingTask, ( signed portCHAR * ) "Rec3Poll", configMINIMAL_STACK_SIZE, NULL, recmuPOLLING_TASK_PRIORITY, NULL );\r
+ xTaskCreate( prvRecursiveMutexControllingTask, "Rec1Ctrl", configMINIMAL_STACK_SIZE, NULL, recmuCONTROLLING_TASK_PRIORITY, &xControllingTaskHandle );\r
+ xTaskCreate( prvRecursiveMutexBlockingTask, "Rec2Blck", configMINIMAL_STACK_SIZE, NULL, recmuBLOCKING_TASK_PRIORITY, &xBlockingTaskHandle );\r
+ xTaskCreate( prvRecursiveMutexPollingTask, "Rec3Poll", configMINIMAL_STACK_SIZE, NULL, recmuPOLLING_TASK_PRIORITY, &xPollingTaskHandle );\r
}\r
}\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
block indefinitely when it attempts to obtain the mutex, the\r
Controlling task will only block for a fixed period and an\r
error will be latched if the polling task has not returned the\r
- mutex by the time this fixed period has expired. */\r
+ mutex by the time this fixed period has expired. */ \r
vTaskResume( xBlockingTaskHandle );\r
- vTaskResume( xControllingTaskHandle );\r
- \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
if( ( xBlockingIsSuspended == pdTRUE ) || ( xControllingIsSuspended == pdTRUE ) )\r
{\r
xErrorOccurred = pdTRUE;\r
}\r
+\r
+ #if configUSE_PREEMPTION == 0\r
+ taskYIELD();\r
+ #endif\r
}\r
}\r
\r