(完整版)基于51单片机的温度报警器设计毕业设计

}

{ }

if((bai*10+shi)

else if((bai*10+shi)

if(((bai*10+shi)=xiaxian)) { }

BEEP=1; ALAM1=1; ALAM=1; BEEP=1; ALAM=0; BEEP=0; ALAM=0; BEEP=1; ALAM1=0;

/*****主函数*****/ void main(void) {

ui z;

InitTimer(); //初始化定时器 EA=1; //全局中断开关 ET0=1; //开启定时器0 check_wendu(); check_wendu();

shangxian=read_add(10); xiaxian=read_add(20); for(z=0;z<300;z++) { } while(1) {

if(SET==0) { }

if(set_st==0) {

check_wendu(); Disp_Temperature(); Delay(2000); do{}

while(SET==0);

set_st++;x=0;shanshuo_st=1; if(set_st>2)set_st=0; Disp_init();

}

Alarm(); //报警检测

else if(set_st==1) {

BEEP=1; //关闭蜂鸣器 ALAM=1; ALAM1=1;

if(x>=10){shanshuo_st=~shanshuo_st;x=0;} if(shanshuo_st) {Disp_alarm(shangxian);} if(ADD==0) { }

else if(DEC==0) { }

do{Disp_alarm(shangxian);} while(DEC==0); shangxian--;

if(shangxian

if(shangxian>99)shangxian=99; write_add(10,shangxian);

}

else if(set_st==2) { }

BEEP=1; //关闭蜂鸣器 ALAM=1; ALAM1=1;

if(x>=10){shanshuo_st=~shanshuo_st;x=0;} if(shanshuo_st) {Disp_alarm(xiaxian);} if(ADD==0) { }

else if(DEC==0) { }

do{Disp_alarm(xiaxian);} while(DEC==0); xiaxian--;

if(xiaxian<0) xiaxian=0; write_add(20,xiaxian); do{Disp_alarm(xiaxian);} while(ADD==0); xiaxian++;

if(xiaxian>shangxian) xiaxian=shangxian; write_add(20,xiaxian);

}

}

/*****定时器0中断服务程序*****/ void timer0(void) interrupt 1 { }

TH0=0x3c; TL0=0xb0; x++;