isr.c

凌阳061a单片机的中断使用例程。包括外部中断例子

#include"spce061a.h"
unsigned int g_uiTime1,g_uiTime2;
void IRQ3(void)__attribute__((ISR));
void IRQ3(void)
{
	if(*P_INT_Ctrl&0x0001)
	{
	g_uiTime2+=1;
	if(g_uiTime2<=64)
		*P_IOB_Data=0X0000;
	else if(g_uiTime2>128)	
	g_uiTime2=0;
	else
	*P_IOB_Data=0X000f;
	*P_INT_Clear=C_IRQ6_TMB2;
}
else
	{
	g_uiTime1+=1;
	if(g_uiTime1<=64)
		*P_IOB_Data=0X0000;
	else if(g_uiTime1>128)	
	g_uiTime1=0;
	else
	*P_IOB_Data=0X000f;
	*P_INT_Clear=C_IRQ6_TMB1;
	}
}