int.c

来自「在KEIL环境下,取反p0.26口」· C语言 代码 · 共 41 行

#include "lpc2103.h"
#include "config.h"
//#include "I2CINT.c"
#define  LED  (1<<26)
#define  EINTPIN  (1<<16)
delay(int32 a)
{
	while(a--);
}

void __irq IRQ_EINT(void)
{
	
//	VICIntEnClr=1<<14;
	if((IOPIN&LED)==0)
	IOSET=LED;
	else IOCLR=LED;
	EXTINT=1;	
	VICVectAddr=0x0;
}
main()
{	int a;
	PINSEL1=0x1;
	//IODIR=0xffffffff&~EINTPIN;
	IODIR=LED;
//	IOPIN=0x0;
	VICIntSelect=0;
//	VICDefVectAddr=(uint32)IRQ_I2C;
	 VICVectAddr15=(uint32)IRQ_EINT;
	VICVectCntl15=0x2e;     //VICVectCntl0为第0级中断，VICVectCntl15为第15级中断,VICVectCntl必需与VICVectAddr对应

	VICIntEnable |= 1<<14;
	EXTMODE=1;
	EXTPOLAR=1;
	EXTINT=1;
	while(1)
	a++;
	
	
}