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274 lines
9.8 KiB
C
274 lines
9.8 KiB
C
/*
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FreeRTOS V8.2.2 - Copyright (C) 2015 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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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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***************************************************************************
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>>! NOTE: The modification to the GPL is included to allow you to !<<
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>>! distribute a combined work that includes FreeRTOS without being !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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***************************************************************************
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available on the following
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link: http://www.freertos.org/a00114.html
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that is more than just the market leader, it *
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* is the industry's de facto standard. *
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* *
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* Help yourself get started quickly while simultaneously helping *
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* to support the FreeRTOS project by purchasing a FreeRTOS *
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* tutorial book, reference manual, or both: *
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* http://www.FreeRTOS.org/Documentation *
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* *
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***************************************************************************
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http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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the FAQ page "My application does not run, what could be wrong?". Have you
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defined configASSERT()?
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http://www.FreeRTOS.org/support - In return for receiving this top quality
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embedded software for free we request you assist our global community by
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participating in the support forum.
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http://www.FreeRTOS.org/training - Investing in training allows your team to
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be as productive as possible as early as possible. Now you can receive
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FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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Ltd, and the world's leading authority on the world's leading RTOS.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and commercial middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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/* Environment includes. */
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#include <targets/LPC2368.h>
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "queue.h"
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#include "semphr.h"
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/* Demo app includes. */
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#include "BlockQ.h"
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#include "death.h"
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#include "integer.h"
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#include "blocktim.h"
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#include "portlcd.h"
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#include "flash.h"
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#include "partest.h"
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#include "semtest.h"
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#include "PollQ.h"
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/* Demo application definitions. */
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#define mainQUEUE_SIZE ( 3 )
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#define mainCHECK_DELAY ( ( TickType_t ) 5000 / portTICK_PERIOD_MS )
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#define mainBASIC_WEB_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2 )
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/* Task priorities. */
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#define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 2 )
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#define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
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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 mainFLASH_PRIORITY ( tskIDLE_PRIORITY + 2 )
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#define mainCREATOR_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
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#define mainINTEGER_TASK_PRIORITY ( tskIDLE_PRIORITY )
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/*
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* Checks the status of all the demo tasks then prints a message to the
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* CrossStudio terminal IO windows. The message will be either PASS or FAIL
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* depending on the status of the demo applications tasks. A FAIL status will
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* be latched.
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*
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* Messages are not written directly to the terminal, but passed to vPrintTask
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* via a queue.
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*/
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static void vCheckTask( void *pvParameters );
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/*
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* The task that handles the uIP stack. All TCP/IP processing is performed in
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* this task.
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*/
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extern void vuIP_Task( void *pvParameters );
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/*
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* The LCD is written two by more than one task so is controlled by a
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* 'gatekeeper' task. This is the only task that is actually permitted to
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* access the LCD directly. Other tasks wanting to display a message send
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* the message to the gatekeeper.
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*/
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static void vLCDTask( void *pvParameters );
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/* The queue used to send messages to the LCD task. */
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QueueHandle_t xLCDQueue;
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/*-----------------------------------------------------------*/
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int main (void)
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{
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/* Setup the led's on the MCB2300 board */
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vParTestInitialise();
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/* Create the queue used by the LCD task. Messages for display on the LCD
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are received via this queue. */
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xLCDQueue = xQueueCreate( mainQUEUE_SIZE, sizeof( xLCDMessage ) );
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/* Create the lwIP task. This uses the lwIP RTOS abstraction layer.*/
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xTaskCreate( vuIP_Task, "uIP", mainBASIC_WEB_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY - 1, NULL );
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/* Start the standard demo tasks - these serve no useful purpose other than
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to demonstrate the FreeRTOS API being used and to test the port. */
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vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
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vCreateBlockTimeTasks();
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vStartLEDFlashTasks( mainFLASH_PRIORITY );
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vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
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vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
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vStartIntegerMathTasks( mainINTEGER_TASK_PRIORITY );
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/* Start the tasks defined within this file/specific to this demo. */
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xTaskCreate( vCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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xTaskCreate( vLCDTask, "LCD", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY - 1, NULL );
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/* The suicide tasks must be created last as they need to know how many
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tasks were running prior to their creation in order to ascertain whether
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or not the correct/expected number of tasks are running at any given time. */
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vCreateSuicidalTasks( mainCREATOR_TASK_PRIORITY );
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/* Start the scheduler. */
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vTaskStartScheduler();
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/* Will only get here if there was insufficient memory to create the idle
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task. */
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return 0;
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}
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/*-----------------------------------------------------------*/
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static void vCheckTask( void *pvParameters )
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{
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portBASE_TYPE xErrorOccurred = pdFALSE;
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TickType_t xLastExecutionTime;
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unsigned portBASE_TYPE uxColumn = 0;
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xLCDMessage xMessage;
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xLastExecutionTime = xTaskGetTickCount();
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xMessage.xColumn = 0;
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xMessage.pcMessage = "PASS";
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for( ;; )
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{
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/* Perform this check every mainCHECK_DELAY milliseconds. */
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vTaskDelayUntil( &xLastExecutionTime, mainCHECK_DELAY );
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/* Has an error been found in any task? */
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if( xAreBlockingQueuesStillRunning() != pdTRUE )
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{
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xErrorOccurred = pdTRUE;
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}
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if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )
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{
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xErrorOccurred = pdTRUE;
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}
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if( xAreSemaphoreTasksStillRunning() != pdTRUE )
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{
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xErrorOccurred = pdTRUE;
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}
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if( xArePollingQueuesStillRunning() != pdTRUE )
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{
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xErrorOccurred = pdTRUE;
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}
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if( xIsCreateTaskStillRunning() != pdTRUE )
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{
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xErrorOccurred = pdTRUE;
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}
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if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
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{
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xErrorOccurred = pdTRUE;
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}
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LCD_cls();
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xMessage.xColumn++;
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LCD_gotoxy( ( uxColumn & 0x07 ) + 1, ( uxColumn & 0x01 ) + 1 );
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if( xErrorOccurred == pdTRUE )
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{
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xMessage.pcMessage = "FAIL";
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}
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/* Send the message to the LCD gatekeeper for display. */
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xQueueSend( xLCDQueue, &xMessage, portMAX_DELAY );
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}
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}
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/*-----------------------------------------------------------*/
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void vLCDTask( void *pvParameters )
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{
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xLCDMessage xMessage;
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/* Initialise the LCD and display a startup message. */
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LCD_init();
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LCD_cur_off();
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LCD_cls();
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LCD_gotoxy( 1, 1 );
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LCD_puts( ( signed char * ) "www.FreeRTOS.org" );
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for( ;; )
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{
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/* Wait for a message to arrive that requires displaying. */
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while( xQueueReceive( xLCDQueue, &xMessage, portMAX_DELAY ) != pdPASS );
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/* Display the message. Print each message to a different position. */
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LCD_cls();
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LCD_gotoxy( ( xMessage.xColumn & 0x07 ) + 1, ( xMessage.xColumn & 0x01 ) + 1 );
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LCD_puts( xMessage.pcMessage );
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}
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}
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/*-----------------------------------------------------------*/
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/* Keep the compiler quiet. */
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#include <stdio.h>
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int __putchar( int c )
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{
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return EOF;
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}
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