自己设计的一个万年历,可以调整时间并且设置闹钟。但是但是不是非常的完善,还需要大家多多指点一下。附件的文档包括源码以及设计思路,欢迎大家多多交流。
说明:利用定时器制作的万年历。打开单片机,利用动态显示显示当前年月日(2020.4.23),利用独立按键设置一个函数判断,进入时间模式。通过键盘扫描,按下s16进入调时模式,s6~s15依次为0~9的数字,为时间的每一位依次输入准确的时间,按下s17开始计时。若要设定闹钟,则按下s18进入闹钟的编辑模式,与调时模式相同,设定时间。接着按下s17确认,再次按下则开始继续计时。若到闹钟设定的时间,则蜂鸣器会发出响声持续一分钟。可以按下s19关闭蜂鸣器,此时时钟继续计时。这个万年历主要使用到计时器依次数码管的动态显示,秒与分满60则要向前进一位。闹钟则主要是与设定的时间进行判断,若相同则蜂鸣器发出响声。我的这个万年历还是属于比较简陋,有许多地方任然需要学习然后不断的去完善它。
单片机源程序如下:- #include<reg51.h>
- #define uchar unsigned char
- sbit dula=P2^6;
- sbit wela=P2^7;
- sbit beep=P2^3;
- sbit keys2=P3^0;
- unsigned char j,k,a1,a0,b1,b0,c1,c0,s,f,m,key=10,temp,qq,y1,y0,m1,m0,d1,d0,mode;
- uchar shi20,shi10,fen20,fen10,miao20,miao10,ok=1,wei,dingshi,change,yidingshi;
- uchar baoshi,baoshijieshu;
- unsigned int pp;
- unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
- 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
- void delay(unsigned char i)
- {
- for(j=i;j>0;j--)
- for(k=125;k>0;k--);
- }
- void display(uchar shi2,uchar shi1,uchar fen2,uchar fen1,uchar miao2,uchar miao1)
- {
- dula=0;
- P0=table[shi2];
- dula=1;
- dula=0;
-
- wela=0;
- P0=0xfe;
- wela=1;
- wela=0;
- delay(5);
-
- P0=table[shi1]|0x80;
- dula=1;
- dula=0;
-
- P0=0xfd;
- wela=1;
- wela=0;
- delay(5);
- P0=table[fen2];
- dula=1;
- dula=0;
-
- P0=0xfb;
- wela=1;
- wela=0;
- delay(5);
-
- P0=table[fen1]|0x80;
- dula=1;
- dula=0;
-
- P0=0xf7;
- wela=1;
- wela=0;
- delay(5);
-
- P0=table[miao2];
- dula=1;
- dula=0;
-
- P0=0xef;
- wela=1;
- wela=0;
- delay(5);
-
- P0=table[miao1];
- dula=1;
- dula=0;
-
- P0=0xdf;
- wela=1;
- wela=0;
- delay(5);
- }
- void keyscan0()
- {
- P3=0xfb;
- temp=P3;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(10);
- if(temp!=0xf0)
- {
- temp=P3;
- switch(temp)
- {
- case 0xbb:
- ok=0;
- change=1;
- break;
- case 0x7b:
- ok=1;
- change=0;
- dingshi=0;
- break;
- }
- }
- }
- P3=0xf7;
- temp=P3;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(10);
- if(temp!=0xf0)
- {
- temp=P3;
- switch(temp)
- {
- case 0xe7:
- ok=0;
- dingshi=1;
- break;
- case 0xd7:
- yidingshi=0; //取消定时
- break;
- }
- }
- }
- }
- void keyscan()
- {
- {
- P3=0xfe;
- temp=P3;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(10);
- if(temp!=0xf0)
- {
- temp=P3;
- switch(temp)
- {
- case 0xee:
- key=0;
- wei++;
- break;
- case 0xde:
- key=1;
- wei++;
- break;
- case 0xbe:
- key=2;
- wei++;
- break;
- case 0x7e:
- key=3;
- wei++;
- break;
- }
- while(temp!=0xf0)
- {
- temp=P3;
- temp=temp&0xf0;
- beep=0;
- }
- beep=1;
- }
- }
- P3=0xfd;
- temp=P3;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(10);
- if(temp!=0xf0)
- {
- temp=P3;
- switch(temp)
- {
- case 0xed:
- key=4;
- wei++;
- break;
- case 0xdd:
- key=5;
- wei++;
- break;
- case 0xbd:
- key=6;
- wei++;
- break;
- case 0x7d:
- key=7;
- wei++;
- break;
- }
- while(temp!=0xf0)
- {
- temp=P3;
- temp=temp&0xf0;
- beep=0;
- }
- beep=1;
- }
- }
- P3=0xfb;
- temp=P3;
- temp=temp&0xf0;
- if(temp!=0xf0)
- {
- delay(10);
- if(temp!=0xf0)
- {
- temp=P3;
- switch(temp)
- {
- case 0xeb:
- key=8;
- wei++;
- break;
- case 0xdb:
- key=9;
- wei++;
- break;
- }
- while(temp!=0xf0)
- {
- temp=P3;
- temp=temp&0xf0;
- beep=0;
- }
- beep=1;
- }
- }
- }
- }
- //时间
- void timer()
- {
- TMOD=0x01;
- TH0=(65536-46080)/256;
- TL0=(65536-46080)%256;
- ET0=1;
- EA=1;
-
- while(1)
- { keyscan0();
-
- if(ok==1)
- { TR0=1;
- wei=0;
-
- if(pp==20)
- { pp=0;
- m++;
- if(m==60)
- {
- m=0;
- f++;
- if(f==60)
- {
- f=0;
- s++;
- if(s==24) //为24h一个循环
- {
- s=0;
- }
- }
- }
- }
-
- a0=s%10;
- a1=s/10;
- b0=f%10;
- b1=f/10;
- c0=m%10;
- c1=m/10;
- display(a1,a0,b1,b0,c1,c0);
- }
- else
- {
- if(change==1)
- { TR0=0;
- keyscan();
- if(key!=10)
- {
-
- switch(wei)
- {
- case 1: if(key<3) //小时最高位为2
- a1=key;
- else
- wei--;
- break;
- case 2: if(a1==1|a1==0)
- a0=key;
- else
- if(key<5)
- a0=key; //当小时最高位为2时,低位最高为4
- break;
- case 3: if(key<6) //分钟最高位为5
- b1=key;
- else
- wei--;
- break;
- case 4: b0=key; break;
- case 5: if(key<6) //秒最高位为5
- c1=key;
- else
- wei--;
- break;
- case 6: c0=key; break;
- }
- key=10;
- }
- m=c1*10+c0;
- f=b1*10+b0;
- s=a1*10+a0;
- display(a1,a0,b1,b0,c1,c0);
- }
- if(dingshi==1)
- {
- TR0=0;
- display(shi20,shi10,fen20,fen10,miao20,miao10);
- keyscan();
- if(key!=10)
- {
- switch(wei)
- {
- case 1: if(key<3) //小时最高位为2
- shi20=key;
- else
- wei--;
- break;
- case 2: if(a1==1|a1==0)
- shi10=key;
- else
- if(key<5)
- a0=key; //当小时最高位为2时,低位最高为4
- break;
- case 3: if(key<6) //分钟最高位为5
- fen20=key;
- else
- wei--;
- break;
- case 4: fen10=key; break;
- case 5: if(key<6) //秒最高位为5
- miao20=key;
- else
- wei--;
- break;
- case 6: miao10=key; break;
- }
- key=10;
- }
- yidingshi=1;
- display(shi20,shi10,fen20,fen10,miao20,miao10);
- }
- }
- if(yidingshi==1)
- {
- if((a1==shi20)&&(a0==shi10)&&(b1==fen20)&&(b0==fen10)&&(c1==miao20)&&(c0==miao10))
- beep=0;
- }
- if(((a1==shi20)&&(a0==shi10)&&(b1==fen20)&&(b0==fen10+1)&&(c1==miao20)&&(c0==miao10))||(yidingshi==0))//一分钟报时提示
- beep=1;
- }
- }
- //模式切换
- void keypanduan()
- {
- mode=1;
- if(keys2==0)
- { delay(10);
- if(keys2==0)
- mode++;
- }
- }
- void main()
- {
- while(1){
- keypanduan();
- switch (mode){
- case 1:{
- y1=2;
- y0=0;
- m1=0;
- m0=4;
- d1=2;
- d0=3;
- display(y1,y0,m1,m0,d1,d0);
- } break;
- case 2:{
- timer();
- } break;
- }
- }
- }
- void time0() interrupt 1
- { TH0=(65536-46080)/256;
- TL0=(65536-46080)%256;
- pp++;
- }
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