/*\r
- FreeRTOS V7.1.1 - 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 V10.0.0\r
+ * Copyright (C) 2017 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. If you wish to use our Amazon\r
+ * FreeRTOS name, please do so in a fair use way that does not cause confusion.\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
* Create a single persistent task which periodically dynamically creates another\r
* <HR>\r
*/\r
\r
-/*\r
-Changes from V3.0.0\r
- + CreationCount sizes changed from unsigned portBASE_TYPE to\r
- unsigned short to minimize the risk of overflowing.\r
- \r
- + Reset of usLastCreationCount added\r
- \r
-Changes from V3.1.0\r
- + Changed the dummy calculation to use variables of type long, rather than\r
- float. This allows the file to be used with ports that do not support\r
- floating point.\r
-\r
-*/\r
\r
#include <stdlib.h>\r
\r
\r
/* A variable which is incremented every time the dynamic tasks are created. This\r
is used to check that the task is still running. */\r
-static volatile unsigned short usCreationCount = 0;\r
+static volatile uint16_t usCreationCount = 0;\r
\r
/* Used to store the number of tasks that were originally running so the creator\r
task can tell if any of the suicidal tasks have failed to die.\r
*/\r
-static volatile unsigned portBASE_TYPE uxTasksRunningAtStart = 0;\r
+static volatile UBaseType_t uxTasksRunningAtStart = 0;\r
\r
-/* Tasks are deleted by the idle task. Under heavy load the idle task might\r
-not get much processing time, so it would be legitimate for several tasks to\r
-remain undeleted for a short period. */\r
-static const unsigned portBASE_TYPE uxMaxNumberOfExtraTasksRunning = 2;\r
+/* When a task deletes itself, it stack and TCB are cleaned up by the Idle task.\r
+Under heavy load the idle task might not get much processing time, so it would\r
+be legitimate for several tasks to remain undeleted for a short period. There\r
+may also be a few other unexpected tasks if, for example, the tasks that test\r
+static allocation are also being used. */\r
+static const UBaseType_t uxMaxNumberOfExtraTasksRunning = 3;\r
\r
/* Used to store a handle to the task that should be killed by a suicidal task,\r
before it kills itself. */\r
-xTaskHandle xCreatedTask;\r
+TaskHandle_t xCreatedTask;\r
\r
/*-----------------------------------------------------------*/\r
\r
-void vCreateSuicidalTasks( unsigned portBASE_TYPE uxPriority )\r
+void vCreateSuicidalTasks( UBaseType_t uxPriority )\r
{\r
-unsigned portBASE_TYPE *puxPriority;\r
-\r
- /* Create the Creator tasks - passing in as a parameter the priority at which\r
- the suicidal tasks should be created. */\r
- puxPriority = ( unsigned portBASE_TYPE * ) pvPortMalloc( sizeof( unsigned portBASE_TYPE ) );\r
- *puxPriority = uxPriority;\r
-\r
- xTaskCreate( vCreateTasks, ( signed char * ) "CREATOR", deathSTACK_SIZE, ( void * ) puxPriority, uxPriority, NULL );\r
-\r
- /* Record the number of tasks that are running now so we know if any of the\r
- suicidal tasks have failed to be killed. */\r
- uxTasksRunningAtStart = ( unsigned portBASE_TYPE ) uxTaskGetNumberOfTasks();\r
- \r
- /* FreeRTOS.org versions before V3.0 started the idle-task as the very\r
- first task. The idle task was then already included in uxTasksRunningAtStart.\r
- From FreeRTOS V3.0 on, the idle task is started when the scheduler is\r
- started. Therefore the idle task is not yet accounted for. We correct\r
- this by increasing uxTasksRunningAtStart by 1. */\r
- uxTasksRunningAtStart++;\r
- \r
- /* From FreeRTOS version 7.0.0 can optionally create a timer service task. \r
- If this is done, then uxTasksRunningAtStart needs incrementing again as that\r
- too is created when the scheduler is started. */\r
- #if configUSE_TIMERS == 1\r
- uxTasksRunningAtStart++;\r
- #endif\r
+ xTaskCreate( vCreateTasks, "CREATOR", deathSTACK_SIZE, ( void * ) NULL, uxPriority, NULL );\r
}\r
/*-----------------------------------------------------------*/\r
- \r
+\r
static portTASK_FUNCTION( vSuicidalTask, pvParameters )\r
{\r
volatile long l1, l2;\r
-xTaskHandle xTaskToKill;\r
-const portTickType xDelay = ( portTickType ) 200 / portTICK_RATE_MS;\r
+TaskHandle_t xTaskToKill;\r
+const TickType_t xDelay = pdMS_TO_TICKS( ( TickType_t ) 200 );\r
+\r
+ /* Test deletion of a task's secure context, if any. */\r
+ portTASK_CALLS_SECURE_FUNCTIONS();\r
\r
if( pvParameters != NULL )\r
{\r
/* This task is periodically created four times. Two created tasks are\r
passed a handle to the other task so it can kill it before killing itself.\r
The other task is passed in null. */\r
- xTaskToKill = *( xTaskHandle* )pvParameters;\r
+ xTaskToKill = *( TaskHandle_t* )pvParameters;\r
}\r
else\r
{\r
if( xTaskToKill != NULL )\r
{\r
/* Make sure the other task has a go before we delete it. */\r
- vTaskDelay( ( portTickType ) 0 );\r
+ vTaskDelay( ( TickType_t ) 0 );\r
\r
/* Kill the other task that was created by vCreateTasks(). */\r
vTaskDelete( xTaskToKill );\r
\r
static portTASK_FUNCTION( vCreateTasks, pvParameters )\r
{\r
-const portTickType xDelay = ( portTickType ) 1000 / portTICK_RATE_MS;\r
-unsigned portBASE_TYPE uxPriority;\r
+const TickType_t xDelay = pdMS_TO_TICKS( ( TickType_t ) 1000 );\r
+UBaseType_t uxPriority;\r
\r
- uxPriority = *( unsigned portBASE_TYPE * ) pvParameters;\r
- vPortFree( pvParameters );\r
+ /* Remove compiler warning about unused parameter. */\r
+ ( void ) pvParameters;\r
+\r
+ /* Delay at the start to ensure tasks created by other demos have been\r
+ created before storing the current number of tasks. */\r
+ vTaskDelay( xDelay );\r
+ uxTasksRunningAtStart = ( UBaseType_t ) uxTaskGetNumberOfTasks();\r
+\r
+ uxPriority = uxTaskPriorityGet( NULL );\r
\r
for( ;; )\r
{\r
\r
xCreatedTask = NULL;\r
\r
- xTaskCreate( vSuicidalTask, ( signed char * ) "SUICID1", configMINIMAL_STACK_SIZE, NULL, uxPriority, &xCreatedTask );\r
- xTaskCreate( vSuicidalTask, ( signed char * ) "SUICID2", configMINIMAL_STACK_SIZE, &xCreatedTask, uxPriority, NULL );\r
+ xTaskCreate( vSuicidalTask, "SUICID1", configMINIMAL_STACK_SIZE, NULL, uxPriority, &xCreatedTask );\r
+ xTaskCreate( vSuicidalTask, "SUICID2", configMINIMAL_STACK_SIZE, &xCreatedTask, uxPriority, NULL );\r
\r
++usCreationCount;\r
}\r
\r
/* This is called to check that the creator task is still running and that there\r
are not any more than four extra tasks. */\r
-portBASE_TYPE xIsCreateTaskStillRunning( void )\r
+BaseType_t xIsCreateTaskStillRunning( void )\r
{\r
-static unsigned short usLastCreationCount = 0xfff;\r
-portBASE_TYPE xReturn = pdTRUE;\r
-static unsigned portBASE_TYPE uxTasksRunningNow;\r
+static uint16_t usLastCreationCount = 0xfff;\r
+BaseType_t xReturn = pdTRUE;\r
+static UBaseType_t uxTasksRunningNow;\r
\r
if( usLastCreationCount == usCreationCount )\r
{\r
{\r
usLastCreationCount = usCreationCount;\r
}\r
- \r
- uxTasksRunningNow = ( unsigned portBASE_TYPE ) uxTaskGetNumberOfTasks();\r
+\r
+ uxTasksRunningNow = ( UBaseType_t ) uxTaskGetNumberOfTasks();\r
\r
if( uxTasksRunningNow < uxTasksRunningAtStart )\r
{\r
projects / freertos / blobdiff