任意时间倒计时加警报最后min

1、#define uchar unsigned char uchar code table=(0 x3f,0 x06,0 x5b,0 x4f,0 x66,0 x6d,0 x7d,0 x07,0 x7f,0 x6f,0 x40;uchar num,num0,benum,flag;char shi=23,fen=59,miao=59;sbit k1=P30;sbit k2=P31;sbit k3=P32;sbit k4=P33;sbit k5=P34;sbit k6=P35;sbit k7=P36;sbit k8二P33;sbit beef=P5;sbit deadline=P1 4;sbit di

2、shurry=P1 3;sbit stop=P1 2;sbit play=P1 1;void delay(uchar z)(延时子程序uchar x,y;for(x=z;x0;x)for(y=110;y0;y-);显示子程序void display。/(uchar sshi,sge,fshi,fge,mshi,mge;sshi=shi/10;sge=shi_x0010_;fshi=fen/10;fge=fen_x0010_;mshi=miao/10;mge=miao_x0010_;P0=tablesshi;P2=0 x00;delay(1);P0=0;P0=tablesge;P2=0 x04;

3、delay(1);P0=0;P0=table10;P2=0 x08;delay(1);P0=0;P0=tablefshi;P2=0 x0c;delay(1);P0=0;P0=tablefge;P2=0 x10;delay(1);P0=0;P0=table10;P2=0 x14;delay(1);P0=0;P0=tablemshi;P2=0 x18;delay(1);P0=0;P0=tablemge;P2=0 x1c;delay(1);P0=0;void set()设置子程序/(if(flag=1)(delay(5);if(k1=0)(shi+;if(shi=24)shi=0;while(!k1

4、);if(k2=0)(delay(5);if(k2=0)(fen+;if(fen=60)fen=0;while(!k2);(delay(5);if(k3=0)(miao+;if(miao=60)miao=0;while(!k3);if(k5=0)(delay(5);if(k5=0)(shi-;if(shi=-1)shi=23;while(!k5);(delay(5);if(k6=0)(fen一;if(fen=-1)fen=59;while(!k6);if(k7=0)(delay(5);if(k7=0)(miao-;if(miao=-1)miao=59;while(!k7);if(k4=0)(d

5、elay(5);if(k4=0)TR0=0;flag=1;while(!k4);if(k8=0)(delay(5);if(k8=0)(TR0=1;flag=0;while(!k8);void alarm()/报警子程序if (shi=O)if(fen=2)if(miao=0)(TRI二1;benum=20;)if(fen=l)(if(miao=30)benum=10;if (fen=l)if (miao=0)benum=5;if(miao=30)benum=2;if(fen=0)(if(miao=0)(TR1=0;TR0=0;beef=0;deadline=0;dishurry=1;解除 vo

6、id secure() /(if(stop=0)(delay(5);(TR0=0;TR1=0;beef=1;deadline=1;dishurry=0;while(!stop);if(play=0)继续/(delay(5);if(play=0)(TR0=1;TR1=1;if(shi=0)if(fen=0)if(miao=0)(TR0=0;TR1=0;while(!play);初始化 /void init()(TMOD=0 x11;TH0=(65535-50000)/256;TL0=(65535-50000)%6;TH1=(65535-50000)/256;TL1=(65535-50000)%6;EA=1;ET0=1;ET1=1;TR0=1;dishurry=0;void main()(init();display。；set();alarm();secure();/定时器0中断void t0_timer() interrupt 1(TH0=(65535-50000)/256;TL0=(65535-50000)%6;num+;if(num=20)(num=0;miao-;if(miao=-1)(miao=59;fen-;fenn59-shi：if (shiH1) Shin23;voidr+rr+imer () inreRupr