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/*---------------------------------------------------------------------*/

/* --- STC MCU Limited ------------------------------------------------*/

/* --- STC15F4K60S4 系列 INT0中断举例----------------------------------*/

/* --- Mobile: (86)13922805190 ----------------------------------------*/

/* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/

/* --- Tel: 86-0513-55012928,55012929,55012966-------------------------*/

/* --- Web: http://www.STCMCU.com --------------------------------------------*/

/* --- Web: http://www.GXWMCU.com --------------------------------------------*/

/* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序 */

/* 如果要在文章中应用此代码,请在文章中注明使用了STC的资料及程序 */

/*---------------------------------------------------------------------*///本示例在Keil开发环境下请选择Intel的8058芯片型号进行编译

//若无特别说明,工作频率一般为11.0592MHz

#include "reg51.h"

#include "intrins.h"//-----------------------------------------------sfr P0M1 = 0x93;

sfr P0M0 = 0x94;

sfr P1M1 = 0x91;

sfr P1M0 = 0x92;

sfr P2M1 = 0x95;

sfr P2M0 = 0x96;

sfr P3M1 = 0xb1;

sfr P3M0 = 0xb2;

sfr P4M1 = 0xb3;

sfr P4M0 = 0xb4;

sfr P5M1 = 0xC9;

sfr P5M0 = 0xCA;

sfr P6M1 = 0xCB;

sfr P6M0 = 0xCC;

sfr P7M1 = 0xE1;

sfr P7M0 = 0xE2;bit FLAG; //1:上升沿中断 0:下降沿中断

sbit P10 = P1^0;//-----------------------------------------

//中断服务程序

void exint0() interrupt 0 //INT0中断入口

{

P10 = !P10; //将测试口取反

FLAG = INT0; //保存INT0口的状态, INT0=0(下降沿); INT0=1(上升沿)

}//-----------------------------------------------void main()

{

P0M0 = 0x00;

P0M1 = 0x00;

P1M0 = 0x00;

P1M1 = 0x00;

P2M0 = 0x00;

P2M1 = 0x00;

P3M0 = 0x00;

P3M1 = 0x00;

P4M0 = 0x00;

P4M1 = 0x00;

P5M0 = 0x00;

P5M1 = 0x00;

P6M0 = 0x00;

P6M1 = 0x00;

P7M0 = 0x00;

P7M1 = 0x00; INT0 = 1;

IT0 = 0; //设置INT0的中断类型 (1:仅下降沿 0:上升沿和下降沿)

EX0 = 1; //使能INT0中断

EA = 1; while (1);

}

STC的话，直接配置就好，STC下载软件里有例程。