Demo/WIN32-MSVC/main.c

/*
    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.

    ***************************************************************************
    *                                                                         *
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    This file is part of the FreeRTOS distribution.

    FreeRTOS is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License (version 2) as published by the
    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
    ***NOTE*** The exception to the GPL is included to allow you to distribute
    a combined work that includes FreeRTOS without being obliged to provide the
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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    FreeRTOS WEB site.

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*/

/*
 *******************************************************************************
 * -NOTE- The Win32 port is a simulation (or is that emulation?) only!  Do not
 * expect to get real time behaviour from the Win32 port or this demo
 * application.  It is provided as a convenient development and demonstration
 * test bed only.  This was tested using Windows XP on a dual core laptop.
 *
 * - READ THE WEB DOCUMENTATION FOR THIS PORT FOR MORE INFORMATION ON USING IT -
 *******************************************************************************
 *
 * main() creates all the demo application tasks, then starts the scheduler.  
 * The web documentation provides more details of the standard demo application 
 * tasks, which provide no particular functionality but do provide a good 
 * example of how to use the FreeRTOS API.
 *
 * In addition to the standard demo tasks, the following tasks and tests are
 * defined and/or created within this file:
 *
 * "Check" task - This only executes every five seconds but has a high priority
 * to ensure it gets processor time.  Its main function is to check that all the
 * standard demo tasks are still operational.  While no errors have been
 * discovered the check task will print out "OK" and the current simulated tick
 * time.  If an error is discovered in the execution of a task then the check
 * task will print out an appropriate error message.
 *
 */


/* Standard includes. */
#include <stdio.h>

/* Kernel includes. */
#include <FreeRTOS.h>
#include "task.h"
#include "queue.h"

/* Standard demo includes. */
#include "BlockQ.h"
#include "integer.h"
#include "semtest.h"
#include "PollQ.h"
#include "GenQTest.h"
#include "QPeek.h"
#include "recmutex.h"
#include "flop.h"
#include "TimerDemo.h"

/* Priorities at which the tasks are created. */
#define mainCHECK_TASK_PRIORITY		( configMAX_PRIORITIES - 1 )
#define mainQUEUE_POLL_PRIORITY		( tskIDLE_PRIORITY + 1 )
#define mainSEM_TEST_PRIORITY		( tskIDLE_PRIORITY + 1 )
#define mainBLOCK_Q_PRIORITY		( tskIDLE_PRIORITY + 2 )
#define mainCREATOR_TASK_PRIORITY   ( tskIDLE_PRIORITY + 3 )
#define mainFLASH_TASK_PRIORITY		( tskIDLE_PRIORITY + 1 )
#define mainuIP_TASK_PRIORITY		( tskIDLE_PRIORITY + 2 )
#define mainINTEGER_TASK_PRIORITY   ( tskIDLE_PRIORITY )
#define mainGEN_QUEUE_TASK_PRIORITY	( tskIDLE_PRIORITY )
#define mainFLOP_TASK_PRIORITY		( tskIDLE_PRIORITY )

#define mainTIMER_FREQUENCY			( configTICK_RATE_HZ )

/* Task function prototypes. */
static void prvCheckTask( void *pvParameters );

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

int main( void )
{
	/* Start the check task as described at the top of this file. */
	xTaskCreate( prvCheckTask, ( signed char * ) "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );

	/* Create the standard demo tasks. */
	vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
	vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
	vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
	vStartIntegerMathTasks( mainINTEGER_TASK_PRIORITY );
	vStartGenericQueueTasks( mainGEN_QUEUE_TASK_PRIORITY );
	vStartQueuePeekTasks();
	vStartMathTasks( mainFLOP_TASK_PRIORITY );
	vStartRecursiveMutexTasks();
	vStartTimerDemoTask( mainTIMER_FREQUENCY );

	/* Start the scheduler itself. */
	vTaskStartScheduler();

    /* Should never get here unless there was not enough heap space to create 
	the idle and other system tasks. */
    return 0;
}
/*-----------------------------------------------------------*/

static void prvCheckTask( void *pvParameters )
{
portTickType xNextWakeTime;
const portTickType xCycleFrequency = 5000 / portTICK_RATE_MS;
char *pcStatusMessage = "OK";

	/* Just to remove compiler warning. */
	( void ) pvParameters;

	/* Initialise xNextWakeTime - this only needs to be done once. */
	xNextWakeTime = xTaskGetTickCount();

	for( ;; )
	{
		/* Place this task in the blocked state until it is time to run again. */
		vTaskDelayUntil( &xNextWakeTime, xCycleFrequency );

		/* Check the standard demo tasks are running without error. */
		if( xAreTimerDemoTasksStillRunning() != pdTRUE )
		{
			pcStatusMessage = "Error: TimerDemo";
		}
	    else if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
	    {
			pcStatusMessage = "Error: IntMath";
	    }	
		else if( xAreGenericQueueTasksStillRunning() != pdTRUE )
		{			
			pcStatusMessage = "Error: GenQueue";
		}
		else if( xAreQueuePeekTasksStillRunning() != pdTRUE )
		{
			pcStatusMessage = "Error: QueuePeek";
		}
		else if( xAreBlockingQueuesStillRunning() != pdTRUE )
		{
			pcStatusMessage = "Error: BlockQueue";
		}
	    else if( xAreSemaphoreTasksStillRunning() != pdTRUE )
	    {
			pcStatusMessage = "Error: SemTest";
	    }
	    else if( xArePollingQueuesStillRunning() != pdTRUE )
	    {
			pcStatusMessage = "Error: PollQueue";
	    }
		else if( xAreMathsTaskStillRunning() != pdPASS )
		{
			pcStatusMessage = "Error: Flop";
		}
	    else if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
	    {
			pcStatusMessage = "Error: RecMutex";
		}

		/* This is the only task that uses stdout so its ok to call printf() 
		directly. */
		printf( "%s - %d\r\n", pcStatusMessage, xTaskGetTickCount() );
	}
}
/*-----------------------------------------------------------*/

void vApplicationIdleHook( void )
{
const unsigned long ulMSToSleep = 5;

	/* Sleep to reduce CPU load, but don't sleep indefinitely in case there are
	tasks waiting to be terminated by the idle task. */
	Sleep( ulMSToSleep );
}
/*-----------------------------------------------------------*/

void vApplicationMallocFailedHook( void )
{
	/* Can be implemented if required, but probably not required in this 
	environment and running this demo. */
}
/*-----------------------------------------------------------*/

void vApplicationStackOverflowHook( void )
{
	/* Can be implemented if required, but not required in this 
	environment and running this demo. */
}