root/Examples_CP-JR_ARM7_LPC2368/FreeRTOS_Book/Source-Code-For-Examples/Examples/Example003/main.c

/*
        FreeRTOS.org V5.0.4 - Copyright (C) 2003-2008 Richard Barry.

        This file is part of the FreeRTOS.org distribution.

        FreeRTOS.org is free software; you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation; either version 2 of the License, or
        (at your option) any later version.

        FreeRTOS.org is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with FreeRTOS.org; if not, write to the Free Software
        Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

        A special exception to the GPL can be applied should you wish to distribute
        a combined work that includes FreeRTOS.org, without being obliged to provide
        the source code for any proprietary components.  See the licensing section 
        of http://www.FreeRTOS.org for full details of how and when the exception
        can be applied.

    ***************************************************************************
    ***************************************************************************
    *                                                                         *
    * SAVE TIME AND MONEY!  We can port FreeRTOS.org to your own hardware,    *
    * and even write all or part of your application on your behalf.          *
    * See http://www.OpenRTOS.com for details of the services we provide to   *
    * expedite your project.                                                  *
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    ***************************************************************************
    ***************************************************************************

        Please ensure to read the configuration and relevant port sections of the
        online documentation.

        http://www.FreeRTOS.org - Documentation, latest information, license and 
        contact details.

        http://www.SafeRTOS.com - A version that is certified for use in safety 
        critical systems.

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*/

/* FreeRTOS.org includes. */
#include "FreeRTOS.h"
#include "task.h"

/* Demo includes. */
#include "basic_io.h"

/* Used as a loop counter to create a very crude delay. */
#define mainDELAY_LOOP_COUNT            ( 0xffffff )

/* The task function. */
void vTaskFunction( void *pvParameters );

/* Define the strings that will be passed in as the task parameters.  These are
defined const and off the stack to ensure they remain valid when the tasks are
executing. */
const char *pcTextForTask1 = "Task 1 is running\r\n";
const char *pcTextForTask2 = "Task 2 is running\t\n";

/*-----------------------------------------------------------*/

int main( void )
{
        /* Create the first task at priority 1... */
        xTaskCreate( vTaskFunction, "Task 1", 1000, (void*)pcTextForTask1, 1, NULL );

        /* ... and the second task at priority 2.  The priority is the second to
        last parameter. */
        xTaskCreate( vTaskFunction, "Task 2", 1000, (void*)pcTextForTask2, 2, NULL );

        /* Start the scheduler so our tasks start executing. */
        vTaskStartScheduler();  
        
        for( ;; );
        return 0;
}
/*-----------------------------------------------------------*/

void vTaskFunction( void *pvParameters )
{
char *pcTaskName;
volatile unsigned long ul;

        /* The string to print out is passed in via the parameter.  Cast this to a
        character pointer. */
        pcTaskName = ( char * ) pvParameters;

        /* As per most tasks, this task is implemented in an infinite loop. */
        for( ;; )
        {
                /* Print out the name of this task. */
                vPrintString( pcTaskName );

                /* Delay for a period. */
                for( ul = 0; ul < mainDELAY_LOOP_COUNT; ul++ )
                {
                        /* This loop is just a very crude delay implementation.  There is
                        nothing to do in here.  Later exercises will replace this crude
                        loop with a proper delay/sleep function. */
                }
        }
}