isr.c

spce061a实现的按键唤醒单片机程序

#include"SPCE061A.h"

unsigned char Output , Delay;



void BREAK(void) __attribute__ ((ISR));

void FIQ(void) __attribute__ ((ISR));

void IRQ0(void) __attribute__ ((ISR));

void IRQ1(void) __attribute__ ((ISR));

void IRQ2(void) __attribute__ ((ISR));

void IRQ3(void) __attribute__ ((ISR));

void IRQ4(void) __attribute__ ((ISR));

void IRQ5(void) __attribute__ ((ISR));

void IRQ6(void) __attribute__ ((ISR));

void IRQ7(void) __attribute__ ((ISR));




void BREAK(void)
{
	//add your code here

}

void FIQ(void)
{
	//add your code here

}

void IRQ0(void)
{
	//add your code here

}

void IRQ1(void)
{
	//add your code here

}

void IRQ2(void)
{
	//add your code here

}

void IRQ3(void)
{
	if(*P_INT_Ctrl & 0x0100)
	{
		//IRQ3_Ext1
		*P_INT_Clear = 0x0100;
	}
	else if(*P_INT_Ctrl & 0x0200)
	{
		//IRQ3_Ext2
		*P_INT_Clear = 0x0200;
	}
	else
	{
		//IRQ_KEY
		for(Output = 0x7fff; Output > 0x007f; Output >>= 1)
		{
			*P_IOA_Data = Output;
			Delay = 0x7fff;
			while(--Delay);
			*ClearWatchdog = 1;
		}
		*P_INT_Clear = 0x0080;
	}
}
void IRQ4(void)
{
	//add your code here

}

void IRQ5(void)
{
	//add your code here

}

void IRQ6(void)
{
	//add your code here

}

void IRQ7(void)
{
	//add your code here

}