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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [lwIP_MCF5235_GCC/] [demo.c] - Blame information for rev 609

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1 583 jeremybenn
/*
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    FreeRTOS V4.6.1 - copyright (C) 2003-2006 Richard Barry.
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    MCF5235 Port - Copyright (C) 2006 Christian Walter.
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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
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    it under the terms of the GNU General Public License** as published by
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    the Free Software Foundation; either version 2 of the License, or
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    (at your option) any later version.
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    FreeRTOS is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
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    along with FreeRTOS; if not, write to the Free Software
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    A special exception to the GPL can be applied should you wish to distribute
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    a combined work that includes FreeRTOS, without being obliged to provide
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    the source code for any proprietary components.  See the licensing section
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    of http://www.FreeRTOS.org for full details of how and when the exception
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    can be applied.
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    ***************************************************************************
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    ***************************************************************************
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    *                                                                         *
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    * Get the FreeRTOS eBook!  See http://www.FreeRTOS.org/Documentation      *
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        *                                                                         *
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        * This is a concise, step by step, 'hands on' guide that describes both   *
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        * general multitasking concepts and FreeRTOS specifics. It presents and   *
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        * explains numerous examples that are written using the FreeRTOS API.     *
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        * Full source code for all the examples is provided in an accompanying    *
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        * .zip file.                                                              *
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    *                                                                         *
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    ***************************************************************************
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    ***************************************************************************
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        Please ensure to read the configuration and relevant port sections of the
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        online documentation.
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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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/* ------------------------ System includes ------------------------------- */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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/* ------------------------ FreeRTOS includes ----------------------------- */
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#include "FreeRTOS.h"
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#include "task.h"
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/* ------------------------ LWIP includes --------------------------------- */
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#include "lwip/api.h"
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#include "lwip/tcpip.h"
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#include "lwip/memp.h"
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/* ------------------------ Project includes ------------------------------ */
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#include "mcf5xxx.h"
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#include "mcf523x.h"
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#include "serial.h"
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#include "web.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 "BlockQ.h"
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#include "dynamic.h"
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#include "flop.h"
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/* ------------------------ Defines --------------------------------------- */
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#define mainCOM_TEST_BAUD_RATE      ( ( unsigned long ) 38400 )
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/* Priorities for the demo application tasks. */
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#define mainLED_TASK_PRIORITY       ( tskIDLE_PRIORITY + 3 )
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#define mainCOM_TEST_PRIORITY       ( tskIDLE_PRIORITY + 2 )
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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 mainWEB_TASK_PRIORITY       ( tskIDLE_PRIORITY + 3 )
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#define STACK_DEFAULT               ( 1024 )
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/* Interval in which tasks are checked. */
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#define mainCHECK_PERIOD            ( ( portTickType ) 2000 / portTICK_RATE_MS  )
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/* Constants used by the vMemCheckTask() task. */
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#define mainCOUNT_INITIAL_VALUE     ( ( unsigned long ) 0 )
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#define mainNO_TASK                 ( 0 )
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/* The size of the memory blocks allocated by the vMemCheckTask() task. */
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#define mainMEM_CHECK_SIZE_1        ( ( size_t ) 51 )
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#define mainMEM_CHECK_SIZE_2        ( ( size_t ) 52 )
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#define mainMEM_CHECK_SIZE_3        ( ( size_t ) 151 )
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/* ------------------------ Static variables ------------------------------ */
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xComPortHandle  xSTDComPort = NULL;
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/* ------------------------ Static functions ------------------------------ */
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static          portTASK_FUNCTION( vErrorChecks, pvParameters );
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static long prvCheckOtherTasksAreStillRunning( unsigned long
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                                                   ulMemCheckTaskCount );
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static          portTASK_FUNCTION( vMemCheckTask, pvParameters );
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/* ------------------------ Implementation -------------------------------- */
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int
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main( int argc, char *argv[] )
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{
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    asm volatile    ( "move.w  #0x2000, %sr\n\t" );
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    xSTDComPort = xSerialPortInitMinimal( 38400, 8 );
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    vlwIPInit(  );
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    /* Start the demo/test application tasks. */
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    vStartIntegerMathTasks( tskIDLE_PRIORITY );
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    vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
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    //vStartMathTasks( tskIDLE_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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    /* Start the webserver. */
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    ( void )sys_thread_new( vBasicWEBServer, NULL, mainWEB_TASK_PRIORITY );
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    /* Start the check task - which is defined in this file. */
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    xTaskCreate( vErrorChecks, ( signed char * )"Check", 512, NULL,
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                 mainCHECK_TASK_PRIORITY, NULL );
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        /* Now all the tasks have been started - start the scheduler. */
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    vTaskStartScheduler(  );
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    /* Should never get here! */
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    return 0;
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}
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static
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portTASK_FUNCTION( vErrorChecks, pvParameters )
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{
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    unsigned long ulMemCheckTaskRunningCount;
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    xTaskHandle     xCreatedTask;
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    /* The parameters are not used in this function. */
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    ( void )pvParameters;
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    for( ;; )
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    {
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        ulMemCheckTaskRunningCount = mainCOUNT_INITIAL_VALUE;
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        xCreatedTask = mainNO_TASK;
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        if( xTaskCreate( vMemCheckTask, ( signed char * )"MEM",
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                         configMINIMAL_STACK_SIZE, ( void * )&ulMemCheckTaskRunningCount,
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                         tskIDLE_PRIORITY, &xCreatedTask ) != pdPASS )
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        {
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            xSerialPutChar( xSTDComPort, 'E', portMAX_DELAY );
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        }
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        /* Delay until it is time to execute again. */
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        vTaskDelay( mainCHECK_PERIOD );
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        /* Delete the dynamically created task. */
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        if( xCreatedTask != mainNO_TASK )
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        {
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            vTaskDelete( xCreatedTask );
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        }
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        if( prvCheckOtherTasksAreStillRunning( ulMemCheckTaskRunningCount ) != pdPASS )
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        {
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            xSerialPutChar( xSTDComPort, 'E', portMAX_DELAY );
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        }
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        else
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        {
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            xSerialPutChar( xSTDComPort, '.', portMAX_DELAY );
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        }
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    }
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}
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static long
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prvCheckOtherTasksAreStillRunning( unsigned long ulMemCheckTaskCount )
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{
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    long        lReturn = ( long ) pdPASS;
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    /* Check all the demo tasks (other than the flash tasks) to ensure
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     * that they are all still running, and that none of them have detected
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     * an error.
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     */
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    if( xAreIntegerMathsTaskStillRunning(  ) != pdTRUE )
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    {
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        lReturn = ( long ) pdFAIL;
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    }
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    if( xArePollingQueuesStillRunning(  ) != pdTRUE )
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    {
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        lReturn = ( long ) pdFAIL;
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    }
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    if( xAreSemaphoreTasksStillRunning(  ) != pdTRUE )
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    {
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        lReturn = ( long ) pdFAIL;
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    }
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    if( xAreDynamicPriorityTasksStillRunning(  ) != pdTRUE )
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    {
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        lReturn = ( long ) pdFAIL;
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    }
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    if( xAreBlockingQueuesStillRunning(  ) != pdTRUE )
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    {
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        lReturn = ( long ) pdFAIL;
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    }
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    if( ulMemCheckTaskCount == mainCOUNT_INITIAL_VALUE )
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    {
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        /* The vMemCheckTask did not increment the counter - it must
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         * have failed.
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         */
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        lReturn = ( long ) pdFAIL;
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    }
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    return lReturn;
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}
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static void
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vMemCheckTask( void *pvParameters )
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{
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    unsigned long *pulMemCheckTaskRunningCounter;
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    void           *pvMem1, *pvMem2, *pvMem3;
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    static long lErrorOccurred = pdFALSE;
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    /* This task is dynamically created then deleted during each cycle of the
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       vErrorChecks task to check the operation of the memory allocator.  Each time
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       the task is created memory is allocated for the stack and TCB.  Each time
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       the task is deleted this memory is returned to the heap.  This task itself
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       exercises the allocator by allocating and freeing blocks.
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       The task executes at the idle priority so does not require a delay.
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       pulMemCheckTaskRunningCounter is incremented each cycle to indicate to the
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       vErrorChecks() task that this task is still executing without error. */
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    pulMemCheckTaskRunningCounter = ( unsigned long * )pvParameters;
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    for( ;; )
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    {
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        if( lErrorOccurred == pdFALSE )
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        {
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            /* We have never seen an error so increment the counter. */
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            ( *pulMemCheckTaskRunningCounter )++;
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        }
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        /* Allocate some memory - just to give the allocator some extra
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           exercise.  This has to be in a critical section to ensure the
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           task does not get deleted while it has memory allocated. */
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        vTaskSuspendAll(  );
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        {
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            pvMem1 = pvPortMalloc( mainMEM_CHECK_SIZE_1 );
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            if( pvMem1 == NULL )
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            {
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                lErrorOccurred = pdTRUE;
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            }
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            else
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            {
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                memset( pvMem1, 0xaa, mainMEM_CHECK_SIZE_1 );
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                vPortFree( pvMem1 );
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            }
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        }
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        xTaskResumeAll(  );
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        /* Again - with a different size block. */
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        vTaskSuspendAll(  );
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        {
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            pvMem2 = pvPortMalloc( mainMEM_CHECK_SIZE_2 );
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            if( pvMem2 == NULL )
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            {
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                lErrorOccurred = pdTRUE;
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            }
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            else
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            {
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                memset( pvMem2, 0xaa, mainMEM_CHECK_SIZE_2 );
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                vPortFree( pvMem2 );
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            }
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        }
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        xTaskResumeAll(  );
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        /* Again - with a different size block. */
292
        vTaskSuspendAll(  );
293
        {
294
            pvMem3 = pvPortMalloc( mainMEM_CHECK_SIZE_3 );
295
            if( pvMem3 == NULL )
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            {
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                lErrorOccurred = pdTRUE;
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            }
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            else
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            {
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                memset( pvMem3, 0xaa, mainMEM_CHECK_SIZE_3 );
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                vPortFree( pvMem3 );
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            }
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        }
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        xTaskResumeAll(  );
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    }
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}

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