main.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"
#define		C_Sleep					0x0007	
#define		P_SystemClock			(volatile unsigned int *)0x7013
#define		C_Sleep					0x0007	
#define		P_IOA_Latch				(volatile unsigned int *)0x7004
#define		C_IRQ3_KEY				0x0080	
main()
{
	unsigned int uiTem;
	__asm("INT OFF");
	
	*P_IOA_Dir=0Xff00;
	*P_IOA_Attrib=0Xff00;
	*P_IOA_Data=0X0000;
	
	*P_INT_Ctrl=C_IRQ3_KEY;
	__asm("INT IRQ");
	
	uiTem=*P_IOA_Latch;
	
	while(1)
	{
		*P_IOA_Data=0Xff00;
		*P_SystemClock=C_Sleep;
	}
}