/*\r
- FreeRTOS V9.0.0rc2 - 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
- 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
-\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
- ***************************************************************************\r
- * *\r
- * FreeRTOS provides completely free yet professionally developed, *\r
- * robust, strictly quality controlled, supported, and cross *\r
- * platform software that is more than just the market leader, it *\r
- * is the industry's de facto standard. *\r
- * *\r
- * Help yourself get started quickly while simultaneously helping *\r
- * to support the FreeRTOS project by purchasing a FreeRTOS *\r
- * tutorial book, reference manual, or both: *\r
- * http://www.FreeRTOS.org/Documentation *\r
- * *\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
- 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
-\r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
- compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
-\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
- Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS\r
- licenses offer ticketed support, indemnification and commercial middleware.\r
-\r
- http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
- engineered and independently SIL3 certified version for use in safety and\r
- mission critical applications that require provable dependability.\r
-\r
- 1 tab == 4 spaces!\r
-*/\r
+ * FreeRTOS Kernel V10.2.1\r
+ * Copyright (C) 2019 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
/*\r
staticCREATOR_TASK_STACK_SIZE, /* Size of the buffer passed in as the stack - in words, not bytes! */\r
NULL, /* Parameter passed into the task - not used in this case. */\r
staticTASK_PRIORITY, /* Priority of the task. */\r
- NULL, /* Handle of the task being created, not used in this case. */\r
&( uxCreatorTaskStackBuffer[ 0 ] ), /* The buffer to use as the task's stack. */\r
&xCreatorTaskTCBBuffer ); /* The variable that will hold the task's TCB. */\r
-\r
- /* Pseudo seed the random number generator. */\r
- ulNextRand = ( uint32_t ) prvRand;\r
}\r
/*-----------------------------------------------------------*/\r
\r
/* Create the event group. xEventGroupCreateStatic() has an extra parameter\r
than the normal xEventGroupCreate() API function. The parameter is a\r
pointer to the StaticEventGroup_t structure that will hold the event group\r
- structure. If the parameter is passed as NULL then the structure will be\r
- allocated dynamically, just as if xEventGroupCreate() had been called. */\r
+ structure. */\r
xEventGroup = xEventGroupCreateStatic( &xEventGroupBuffer );\r
\r
/* The event group handle should equal the static event group structure\r
static void prvCreateAndDeleteStaticallyAllocatedTasks( void )\r
{\r
TaskHandle_t xCreatedTask;\r
-BaseType_t xReturned;\r
\r
/* The variable that will hold the TCB of tasks created by this function. See\r
the comments above the declaration of the xCreatorTaskTCBBuffer variable for\r
-more information. */\r
+more information. NOTE: This is not static so relies on the tasks that use it\r
+being deleted before this function returns and deallocates its stack. That will\r
+only be the case if configUSE_PREEMPTION is set to 1. */\r
StaticTask_t xTCBBuffer;\r
\r
/* This buffer that will be used as the stack of tasks created by this function.\r
StaticTask_t structure that will hold the task's TCB. If both pointers are\r
passed as NULL then the respective object will be allocated dynamically as\r
if xTaskCreate() had been called. */\r
- xReturned = xTaskCreateStatic(\r
+ xCreatedTask = xTaskCreateStatic(\r
prvStaticallyAllocatedTask, /* Function that implements the task. */\r
"Static", /* Human readable name for the task. */\r
configMINIMAL_STACK_SIZE, /* Task's stack size, in words (not bytes!). */\r
NULL, /* Parameter to pass into the task. */\r
uxTaskPriorityGet( NULL ) + 1, /* The priority of the task. */\r
- &xCreatedTask, /* Handle of the task being created. */\r
&( uxStackBuffer[ 0 ] ), /* The buffer to use as the task's stack. */\r
&xTCBBuffer ); /* The variable that will hold that task's TCB. */\r
\r
- /* The created task had a higher priority so should have executed and\r
- suspended itself by now. */\r
- if( eTaskGetState( xCreatedTask ) != eSuspended )\r
+ /* Check the task was created correctly, then delete the task. */\r
+ if( xCreatedTask == NULL )\r
{\r
xErrorOccurred = pdTRUE;\r
}\r
-\r
- /* Check the task was created correctly, then delete the task. */\r
- configASSERT( xReturned == pdPASS );\r
- if( xReturned != pdPASS )\r
+ else if( eTaskGetState( xCreatedTask ) != eSuspended )\r
{\r
+ /* The created task had a higher priority so should have executed and\r
+ suspended itself by now. */\r
xErrorOccurred = pdTRUE;\r
}\r
- vTaskDelete( xCreatedTask );\r
+ else\r
+ {\r
+ vTaskDelete( xCreatedTask );\r
+ }\r
\r
/* Now do the same using a dynamically allocated task to ensure the delete\r
function is working correctly in both the static and dynamic allocation\r
cases. */\r
#if( configSUPPORT_DYNAMIC_ALLOCATION == 1 )\r
{\r
+ BaseType_t xReturned;\r
+\r
xReturned = xTaskCreate(\r
- prvStaticallyAllocatedTask, /* Function that implements the task. */\r
+ prvStaticallyAllocatedTask, /* Function that implements the task - the same function is used but is actually dynamically allocated this time. */\r
"Static", /* Human readable name for the task. */\r
configMINIMAL_STACK_SIZE, /* Task's stack size, in words (not bytes!). */\r
NULL, /* Parameter to pass into the task. */\r