FreeRTOS-Kernel/Demo/NEC_78K0R_IAR/ButtonTask.c

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

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*/

#include "FreeRTOS.h"
#include "task.h"
#include "semphr.h"

static xSemaphoreHandle xButtonSemaphore;

#define LED01   P7_bit.no7

void vButtonTask( void *pvParameters )
{
	vSemaphoreCreateBinary( xButtonSemaphore );

	for( ;; )
	{
		xSemaphoreTake( xButtonSemaphore, portMAX_DELAY );
		LED01 = !LED01;
		
		vTaskDelay( 200 / portTICK_RATE_MS );
		xSemaphoreTake( xButtonSemaphore, 0 );
	}
}
/*-----------------------------------------------------------*/

void vButtonISRHandler( void )
{
short sHigherPriorityTaskWoken = pdFALSE;

	xSemaphoreGiveFromISR( xButtonSemaphore, &sHigherPriorityTaskWoken );
	
	portYIELD_FROM_ISR( sHigherPriorityTaskWoken );
}
/*-----------------------------------------------------------*/