FreeRTOS/Demo/RX100-RSK_IAR/main.c

/*
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*/

/******************************************************************************
 * This project provides two demo applications.  A low power project that
 * demonstrates the FreeRTOS tickless mode, and a more comprehensive test and
 * demo application.  The configCREATE_LOW_POWER_DEMO setting (defined at the
 * top of FreeRTOSConfig.h) is used to select between the two.  The low power
 * demo is implemented and described in main_low_power.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.
 */

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

/* Platform includes. */
#include "lcd.h"

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

/*
 * Prepare the board of the demo.
 */
extern void vHardwareSetup( void );

/*
 * main_low_power() is used when configCREATE_LOW_POWER_DEMO is set to 1.
 * main_full() is used when configCREATE_LOW_POWER_DEMO is set to 0.
 */
extern void main_low_power( void );
extern void main_full( void );

/* 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 );

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

/* See the documentation page for this demo on the FreeRTOS.org web site for
full information - including hardware setup requirements. */

void main( void )
{
	/* Call the Renesas provided setup. */
	vHardwareSetup();
	lcd_initialize();
	lcd_display( LCD_LINE1, "FreeRTOS" );

	/* The configCREATE_LOW_POWER_DEMO setting is described in FreeRTOSConfig.h. */
	#if configCREATE_LOW_POWER_DEMO == 1
	{
		lcd_display( LCD_LINE2, "LP Demo" );
		main_low_power();
	}
	#else
	{
		lcd_display( LCD_LINE2, "Ful Demo" );
		main_full();
	}
	#endif
}
/*-----------------------------------------------------------*/

void vApplicationMallocFailedHook( void )
{
	/* vApplicationMallocFailedHook() will only be called if
	configUSE_MALLOC_FAILED_HOOK is set to 1 in FreeRTOSConfig.h.  It is a hook
	function that will get called if a call to pvPortMalloc() fails.
	pvPortMalloc() is called internally by the kernel whenever a task, queue,
	timer or semaphore is created.  It is also called by various parts of the
	demo application.  If heap_1.c, heap_2.c or heap_4.c are used, then the size
	of the heap available to pvPortMalloc() is defined by configTOTAL_HEAP_SIZE
	in FreeRTOSConfig.h, and the xPortGetFreeHeapSize() API function can be used
	to query the size of free heap space that remains (although it does not
	provide information on how the remaining heap might be fragmented). */
	taskDISABLE_INTERRUPTS();
	for( ;; );
}
/*-----------------------------------------------------------*/

void vApplicationIdleHook( void )
{
	/* vApplicationIdleHook() will only be called if configUSE_IDLE_HOOK is set
	to 1 in FreeRTOSConfig.h.  It will be called on each iteration of the idle
	task.  It is essential that code added to this hook function never attempts
	to block in any way (for example, call xQueueReceive() with a block time
	specified, or call vTaskDelay()).  If the application makes use of the
	vTaskDelete() API function (as this demo application does) then it is also
	important that vApplicationIdleHook() is permitted to return to its calling
	function, because it is the responsibility of the idle task to clean up
	memory allocated by the kernel to any task that has since been deleted. */
}
/*-----------------------------------------------------------*/

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 vApplicationTickHook( void )
{
	/* This function will be called by each tick interrupt if
	configUSE_TICK_HOOK is set to 1 in FreeRTOSConfig.h.  User code can be
	added here, but the tick hook is called from an interrupt context, so
	code must not attempt to block, and only the interrupt safe FreeRTOS API
	functions can be used (those that end in FromISR()). */
}
/*-----------------------------------------------------------*/

void vAssertCalled( void )
{
volatile unsigned long ul = 0;

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