//*----------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name : ext_irq.c
//* Object : External interrupt handler for irq
//* : Use LED5 & LED6 for status interrupt
//* 1.0 24/Jun/04 JPP : Creation
//* 1.2 29/Aug/05 JPP : Update AIC definion
//*----------------------------------------------------------------------------
// Include Standard LIB files
#include "Board.h"
int status_irq = 0 ;
//*----------------------------------------------------------------------------
//* Function Name : at91_IRQ0_handler
//* Object : Irq Handler called by the IRQ0 interrupt with AT91
//* compatibility
//*----------------------------------------------------------------------------
__ramfunc void at91_IRQ0_handler(void)
{
if (status_irq == 0) status_irq = 1;
else status_irq = 0 ;
//* Read the output state
if ( (AT91F_PIO_GetInput(AT91C_BASE_PIOA) & LED2 ) == LED2 )
{
AT91F_PIO_ClearOutput( AT91C_BASE_PIOA, LED2 );
}
else
{
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, LED2 );
}
//* while SW3 is push loop
while ( (AT91F_PIO_GetInput(AT91C_BASE_PIOA) & SW3_MASK ) != SW3_MASK );
}
//*----------------------------------------------------------------------------
//* Function Name : FIQ_init_handler
//* Object : Irq Handler called by the FIQ interrupt with AT91
//* compatibility
///*----------------------------------------------------------------------------
__ramfunc void FIQ_init_handler(void)
{
//* Read the output state
if ( (AT91F_PIO_GetInput(AT91C_BASE_PIOA) & LED3 ) == LED3 )
{
AT91F_PIO_ClearOutput( AT91C_BASE_PIOA, LED3 );
}
else
{
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, LED3 );
}
}
