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jeremybenn |
/*
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FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* If you are: *
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* *
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* + New to FreeRTOS, *
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* + Wanting to learn FreeRTOS or multitasking in general quickly *
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* + Looking for basic training, *
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* + Wanting to improve your FreeRTOS skills and productivity *
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* *
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* then take a look at the FreeRTOS books - available as PDF or paperback *
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* *
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* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
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* http://www.FreeRTOS.org/Documentation *
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* *
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* A pdf reference manual is also available. Both are usually delivered *
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* to your inbox within 20 minutes to two hours when purchased between 8am *
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* and 8pm GMT (although please allow up to 24 hours in case of *
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* exceptional circumstances). Thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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***NOTE*** The exception to the GPL is included to allow you to distribute
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a combined work that includes FreeRTOS without being obliged to provide the
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source code for proprietary components outside of the FreeRTOS kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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/*
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* Creates all the demo application tasks then starts the scheduler. In
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* addition to the standard demo application tasks main() creates the
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* HTTPServer task, and a "Check" task. The Check task periodically inspects
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* all the other tasks in the system to see if any errors have been reported.
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* The error status is then displayed on the served WEB page.
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*/
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/* Tern includes. */
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#include <ae.h>
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#include <embedded.h>
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/* FreeRTOS.org includes. */
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#include <FreeRTOS.h>
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#include <task.h>
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/* Demo application includes. */
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#include "HTTPTask.h"
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#include "integer.h"
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#include "PollQ.h"
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#include "semtest.h"
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#include "dynamic.h"
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#include "BlockQ.h"
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#include "death.h"
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#include "serial.h"
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#include "comtest.h"
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/* How often should the "check" task execute? */
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#define mainCHECK_DELAY ( 3000 / portTICK_RATE_MS )
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/* Priorities allocated to the various tasks. */
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#define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 2 )
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#define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
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#define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
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#define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )
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#define mainHTTP_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
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#define mainSUICIDE_TASKS_PRIORITY ( tskIDLE_PRIORITY + 1 )
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#define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
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/* Used to indicate the error status. A value of 0 means that an error has not
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been detected in any task. A non zero value indicates which group of demo
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tasks has reported an error. See prvCheckTask() for bit definitions. */
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unsigned short usCheckStatus = 0;
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/*-----------------------------------------------------------*/
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/*
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* Setup any hardware required by the demo - other than the RTOS tick which
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* is configured when the scheduler is started.
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*/
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static void prvSetupHardware( void );
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/*
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* Periodically inspect all the other tasks, updating usCheckStatus should an
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* error be discovered in any task.
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*/
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static void prvCheckTask( void *pvParameters );
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/*-----------------------------------------------------------*/
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void main(void)
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{
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prvSetupHardware();
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/* Start the HTTP server task. */
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xTaskCreate( vHTTPTask, "WizNet", configMINIMAL_STACK_SIZE, NULL, mainHTTP_TASK_PRIORITY, NULL );
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/* Start the demo/test application tasks. See the demo application
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section of the FreeRTOS.org WEB site for more information. */
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vStartIntegerMathTasks( tskIDLE_PRIORITY );
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vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
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vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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vStartDynamicPriorityTasks();
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vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
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vStartComTestTasks( mainCOM_TEST_PRIORITY, serCOM2, ser57600 );
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/* Start the task that checks the other demo tasks for errors. */
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xTaskCreate( prvCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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/* The suicide tasks must be created last as they monitor the number of
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tasks in the system to ensure there are no more or fewer than expected
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compared to the number that were executing when the task started. */
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vCreateSuicidalTasks( mainSUICIDE_TASKS_PRIORITY );
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/* Finally start the scheduler. */
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vTaskStartScheduler();
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/* Should not get here! */
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for( ;; );
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}
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/*-----------------------------------------------------------*/
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static void prvSetupHardware( void )
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{
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ae_init();
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}
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/*-----------------------------------------------------------*/
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static void prvCheckTask( void *pvParameters )
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{
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( void ) pvParameters;
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/* Check all the demo tasks to ensure that they are all still running, and
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that none of them have detected an error. */
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for( ;; )
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{
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/* Block until it is time to check again. */
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vTaskDelay( mainCHECK_DELAY );
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if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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{
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usCheckStatus |= 0x01;
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}
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if( xArePollingQueuesStillRunning() != pdTRUE )
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{
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usCheckStatus |= 0x02;
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}
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if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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{
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usCheckStatus |= 0x04;
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}
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if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
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{
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usCheckStatus |= 0x08;
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}
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if( xAreBlockingQueuesStillRunning() != pdTRUE )
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{
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usCheckStatus |= 0x10;
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}
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if( xIsCreateTaskStillRunning() != pdTRUE )
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{
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usCheckStatus |= 0x20;
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}
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if( xAreComTestTasksStillRunning() != pdTRUE )
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{
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usCheckStatus |= 0x40;
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}
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}
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}
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/*-----------------------------------------------------------*/
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/* This is included to prevent link errors - allowing the 'full' version of
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the comtest tasks to be used. It can be ignored. */
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void vPrintDisplayMessage( const char * const * ppcMessageToSend )
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{
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( void ) ppcMessageToSend;
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}
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