#include #include #include //头文件 #define uint unsigned int #define uchar unsigned char //宏定义 //按键 sbit key1=P3^2; //布防 sbit key2=P3^3; //撤防 sbit key3=P3^4; //紧急报警 sbit BUZZ=P0^4; //蜂鸣器 sbit rsd=P2^4; //热释电输入 sbit yanwu=P2^5; s