FreeRTOS/Demo/CORTEX_MB9A310_IAR_Keil/ParTest.c

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*/

/*-----------------------------------------------------------
 * Simple parallel port IO routines.
 *-----------------------------------------------------------*/

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

/* Fujitsu drivers/libraries. */
#include "mcu.h"

/* Only the LEDs on one of the two seven segment displays are used. */
#define partstMAX_LEDS		8

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

void vParTestInitialise( void )
{
	/* Analog inputs are not used on the LED outputs. */
	FM3_GPIO->ADE  = 0x0000;

	/* Set to output. */
	FM3_GPIO->DDR1 |= 0xFFFF;
	FM3_GPIO->DDR3 |= 0xFFFF;
	
	/* Set as GPIO. */
	FM3_GPIO->PFR1 &= 0x0000;
	FM3_GPIO->PFR3 &= 0x0000;

	/* Start with all LEDs off. */
	FM3_GPIO->PDOR1 = 0xFFFF;
	FM3_GPIO->PDOR1 = 0xFFFF;
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
	if( uxLED < partstMAX_LEDS )
	{
		/* A critical section is used as the LEDs are also accessed from an
		interrupt. */
		taskENTER_CRITICAL();
		{
			if( xValue == pdTRUE )
			{
				FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );
			}
			else
			{
				FM3_GPIO->PDOR1 |= ( 1UL << uxLED );
			}
		}
		taskEXIT_CRITICAL();
	}
}
/*-----------------------------------------------------------*/

void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned portBASE_TYPE uxInterruptFlags;

	uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
	{
		if( uxLED < partstMAX_LEDS )
		{
			if( xValue == pdTRUE )
			{
				FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );
			}
			else
			{
				FM3_GPIO->PDOR1 |= ( 1UL << uxLED );
			}
		}
	}
	portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
	if( uxLED < partstMAX_LEDS )
	{
		/* A critical section is used as the LEDs are also accessed from an
		interrupt. */
		taskENTER_CRITICAL();
		{
			if( ( FM3_GPIO->PDOR1 & ( 1UL << uxLED ) ) != 0UL )
			{
				FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );
			}
			else
			{
				FM3_GPIO->PDOR1 |= ( 1UL << uxLED );
			}
		}
		taskEXIT_CRITICAL();
	}
}
/*-----------------------------------------------------------*/