FreeRTOS/Demo/CORTEX_A9_RZ_R7S72100_IAR_DS-5/Source/main.c

/*
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*/

/******************************************************************************
 * This project provides two demo applications.  A simple blinky style project,
 * and a more comprehensive test and demo application.  The
 * mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting (defined in this file) is used to
 * select between the two.  The simply blinky demo is implemented and described
 * in main_blinky.c.  The more comprehensive test and demo application is
 * implemented and described in main_full.c.
 *
 * This file implements the code that is not demo specific, including the
 * hardware setup and FreeRTOS hook functions.
 *
 * ENSURE TO READ THE DOCUMENTATION PAGE FOR THIS PORT AND DEMO APPLICATION ON
 * THE http://www.FreeRTOS.org WEB SITE FOR FULL INFORMATION ON USING THIS DEMO
 * APPLICATION, AND ITS ASSOCIATE FreeRTOS ARCHITECTURE PORT!
 *
 */

/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"

/* Standard demo includes. */
#include "partest.h"
#include "TimerDemo.h"
#include "QueueOverwrite.h"

/* Renesas includes. */
#include "r_typedefs.h"
#include "sio_char.h"

/* Set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to one to run the simple blinky demo,
or 0 to run the more comprehensive test and demo application. */
#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY	0

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

/*
 * Configure the hardware as necessary to run this demo.
 */
static void prvSetupHardware( void );

/*
 * main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
 * main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
 */
#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1
	extern void main_blinky( void );
#else
	extern void main_full( void );
#endif /* #if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 */

/* Prototypes for the standard FreeRTOS callback/hook functions implemented
within this file. */
void vApplicationMallocFailedHook( void );
void vApplicationIdleHook( void );
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
void vApplicationTickHook( void );

/*
 * Creates and verifies different files on the volume, demonstrating the use of
 * various different API functions.
 */
extern void vCreateAndVerifySampleFiles( void );

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

int main( void )
{
	/* Configure the hardware ready to run the demo. */
	prvSetupHardware();

	/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
	of this file. */
	#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1
	{
		main_blinky();
	}
	#else
	{
		main_full();
	}
	#endif

	return 0;
}
/*-----------------------------------------------------------*/

static void prvSetupHardware( void )
{
	/* Initialise the pins used by the LEDs (the obscure [now for historical
	reasons] name ParTest stands for Parallel Port test). */
	vParTestInitialise();

    /* Call the Renesas driver that initialises the serial port.  P1=66.67MHz
	CKS=0 SCBRR=17 Bit rate error=0.46% => Baud rate=115200bps. */
    IoInitScif2();
}
/*-----------------------------------------------------------*/

void vApplicationMallocFailedHook( void )
{
	/* Called if a call to pvPortMalloc() fails because there is insufficient
	free memory available in the FreeRTOS heap.  pvPortMalloc() is called
	internally by FreeRTOS API functions that create tasks, queues, software
	timers, and semaphores.  The size of the FreeRTOS heap is set by the
	configTOTAL_HEAP_SIZE configuration constant in FreeRTOSConfig.h. */
	taskDISABLE_INTERRUPTS();
	for( ;; );
}
/*-----------------------------------------------------------*/

void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
{
	( void ) pcTaskName;
	( void ) pxTask;

	/* Run time stack overflow checking is performed if
	configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2.  This hook
	function is called if a stack overflow is detected. */
	taskDISABLE_INTERRUPTS();
	for( ;; );
}
/*-----------------------------------------------------------*/

void vApplicationIdleHook( void )
{
volatile size_t xFreeHeapSpace;

	/* This is just a trivial example of an idle hook.  It is called on each
	cycle of the idle task.  It must *NOT* attempt to block.  In this case the
	idle task just queries the amount of FreeRTOS heap that remains.  See the
	memory management section on the http://www.FreeRTOS.org web site for memory
	management options.  If there is a lot of heap memory free then the
	configTOTAL_HEAP_SIZE value in FreeRTOSConfig.h can be reduced to free up
	RAM. */
	xFreeHeapSpace = xPortGetFreeHeapSize();

	/* Remove compiler warning about xFreeHeapSpace being set but never used. */
	( void ) xFreeHeapSpace;

	#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1
	{
		/* If the file system is only going to be accessed from one task then
		F_FS_THREAD_AWARE can be set to 0 and the set of example files is
		created before the RTOS scheduler is started.  If the file system is
		going to be	access from more than one task then F_FS_THREAD_AWARE must
		be set to 1 and the set of sample files are created from the idle task
		hook function. */
		#if F_FS_THREAD_AWARE == 1
		{
			static portBASE_TYPE xCreatedSampleFiles = pdFALSE;

			/* Initialise the drive and file system, then create a few example
			files.  The output from this function just goes to the stdout window,
			allowing the output to be viewed when the UDP command console is not
			connected. */
			if( xCreatedSampleFiles == pdFALSE )
			{
				vCreateAndVerifySampleFiles();
				xCreatedSampleFiles = pdTRUE;
			}
		}
		#endif
	}
	#endif
}
/*-----------------------------------------------------------*/

void vAssertCalled( const char * pcFile, unsigned long ulLine )
{
volatile unsigned long ul = 0;

	( void ) pcFile;
	( void ) ulLine;

	taskENTER_CRITICAL();
	{
		/* Set ul to a non-zero value using the debugger to step out of this
		function. */
		while( ul == 0 )
		{
			portNOP();
		}
	}
	taskEXIT_CRITICAL();
}
/*-----------------------------------------------------------*/

void vApplicationTickHook( void )
{
	#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 0
	{
		/* The full demo includes a software timer demo/test that requires
		prodding periodically from the tick interrupt. */
		vTimerPeriodicISRTests();

		/* Call the periodic queue overwrite from ISR demo. */
		vQueueOverwritePeriodicISRDemo();
	}
	#endif
}