CT107D可調(diào)時鐘(帶鬧鈴,主控STC89C52RC)

1、l 電路原理圖：l PCB電路圖：l 電路板3D效果圖：LED燈退出確定減加鬧鐘調(diào)時DS1302LCD1602插槽STC89C52RCLED對比度調(diào)節(jié)蜂鳴器正面（直插LCD1602，鍵盤，LED燈）背面（主控芯片，lcd對比度調(diào)節(jié)，蜂鳴器）l 主程序：#include<reg52.h>#include"lcd1602.h"#include"ds1302.h"sbit add=P30;sbit sub=P31;sbit chooset=P32;sbit choosec=P33;sbit ok=P34;sbit out=P35;sbit buzz

2、=P22;sbit relay=P24;unsigned char welcome1=">>> Welcome <<< "unsigned char welcome2=" _ "unsigned int dd=0,c,t,flag1=0,flag,adjust,i,sec,min,hour,day,month,week,year,shi,fen,miao,nian,yue,ri,zhou,n,y,r,z,s,f,m;void delay5ms(void) /誤差 0us unsigned char a,b; for(b

3、=19;b>0;b-) for(a=130;a>0;a-);void delay1s(unsigned int d) /誤差 0us unsigned char a,b,c;while(d>0) for(c=167;c>0;c-) for(b=171;b>0;b-) for(a=16;a>0;a-);d-;void Ds1302_init()Ds1302_Single_Byte_Write(0x8e,0);Ds1302_Single_Byte_Write(0x80,55);Ds1302_Single_Byte_Write(0x8e,0);Ds1302_Sin

4、gle_Byte_Write(0x82,59);Ds1302_Single_Byte_Write(0x8e,0);Ds1302_Single_Byte_Write(0x84,11);Ds1302_Single_Byte_Write(0x8e,0);Ds1302_Single_Byte_Write(0x86,21);Ds1302_Single_Byte_Write(0x8e,0);Ds1302_Single_Byte_Write(0x88,2);Ds1302_Single_Byte_Write(0x8e,0);Ds1302_Single_Byte_Write(0x8a,7);Ds1302_Sin

5、gle_Byte_Write(0x8e,0);Ds1302_Single_Byte_Write(0x8C,16);void display()while(1)Ds1302_Single_Byte_Write(0x8f,0);sec =Ds1302_Single_Byte_Read(0x81);Ds1302_Single_Byte_Write(0x8f,0);min =Ds1302_Single_Byte_Read(0x83);Ds1302_Single_Byte_Write(0x8f,0);hour =Ds1302_Single_Byte_Read(0x85);Ds1302_Single_By

6、te_Write(0x8f,0);day =Ds1302_Single_Byte_Read(0x87);Ds1302_Single_Byte_Write(0x8f,0);month =Ds1302_Single_Byte_Read(0x89);Ds1302_Single_Byte_Write(0x8f,0);week =Ds1302_Single_Byte_Read(0x8b);Ds1302_Single_Byte_Write(0x8f,0);year =Ds1302_Single_Byte_Read(0x8d);write_command(0x80+2);write_data(year /

7、10 % 10 + 48);write_data(year % 10 + 48);write_command(0x80+5);write_data(month / 10 % 10 + 48);write_data(month % 10 + 48);write_command(0x80+8);write_data(day / 10 % 10 + 48);write_data(day % 10 + 48);write_command(0x80+14);write_data(week + 48);write_command(0x80+0x40+8);write_data(hour / 10 % 10

8、 + 48);write_data(hour % 10 + 48);write_command(0x80+0x40+11);write_data(min / 10 % 10 + 48);write_data(min % 10 + 48);write_command(0x80+0x40+14);write_data(sec / 10 % 10 + 48);write_data(sec % 10 + 48);if(n=year)&&(y=month)&&(r=day)&&(z=week)&&(s=hour)&&(f=m

9、in)&&(m=sec)dd=200;if(dd>0)if(sec%2=0)P2 =0xa0;buzz=1;relay=1;P2 =0x1f;dd-;if(ok=0)delay5ms();if(ok=0)while(!ok);delay5ms();if(ok=1)dd=0;if(sec%2)!=0)P2 =0xa0;buzz=0;relay=0;P2 =0x1f;void keyscan()while(adjust>0)&&(flag=0)if(adjust=1)write_command(0x80+0x40+14);write_command(0x

10、0f);if(add=0)delay5ms();if(add=0)while(!add);delay5ms();if(add=1)miao+;if(miao=60)miao=0;write_command(0x80+0x40+14);write_data(miao / 10 % 10 + 48);write_data(miao % 10 + 48);write_command(0x80+0x40+14);write_command(0x0f);flag1=1;if(sub=0)delay5ms();if(sub=0)while(!sub);delay5ms();if(sub=1)miao-;i

11、f(miao=-1)miao=59;write_command(0x80+0x40+14);write_data(miao / 10 % 10 + 48);write_data(miao % 10 + 48);write_command(0x80+0x40+14);write_command(0x0f);flag1=1;if(adjust=2)write_command(0x80+0x40+11);write_command(0x0f);if(add=0)delay5ms();if(add=0)while(!add);delay5ms();if(add=1)fen+;if(fen=60)fen

12、=0;write_command(0x80+0x40+11);write_data(fen / 10 % 10 + 48);write_data(fen % 10 + 48);write_command(0x80+0x40+11);write_command(0x0f);flag1=1;if(sub=0)delay5ms();if(sub=0)while(!sub);delay5ms();if(sub=1)fen-;if(fen=-1)fen=59;write_command(0x80+0x40+11);write_data(fen / 10 % 10 + 48);write_data(fen

13、 % 10 + 48);write_command(0x80+0x40+11);write_command(0x0f);flag1=1;if(adjust=3)write_command(0x80+0x40+8);write_command(0x0f);if(add=0)delay5ms();if(add=0)while(!add);delay5ms();if(add=1)shi+;if(shi=24)shi=0;write_command(0x80+0x40+8);write_data(shi / 10 % 10 + 48);write_data(shi % 10 + 48);write_c

14、ommand(0x80+0x40+8);write_command(0x0f);flag1=1;if(sub=0)delay5ms();if(sub=0)while(!sub);delay5ms();if(sub=1)shi-;if(shi=-1)shi=23;write_command(0x80+0x40+8);write_data(shi / 10 % 10 + 48);write_data(shi % 10 + 48);write_command(0x80+0x40+8);write_command(0x0f);flag1=1;if(adjust=4)write_command(0x80

15、+14);write_command(0x0f);if(add=0)delay5ms();if(add=0)while(!add);delay5ms();if(add=1)zhou+;if(zhou=8)zhou=1;write_command(0x80+13);write_data(zhou / 10 % 10 + 48);write_data(zhou % 10 + 48);write_command(0x80+14);write_command(0x0f);flag1=1;if(sub=0)delay5ms();if(sub=0)while(!sub);delay5ms();if(sub

16、=1)zhou-;if(zhou=-1)zhou=7;write_command(0x80+14);write_data(zhou / 10 % 10 + 48);write_data(zhou % 10 + 48);write_command(0x80+14);write_command(0x0f);flag1=1;if(adjust=5)write_command(0x80+8);write_command(0x0f);if(add=0)delay5ms();if(add=0)while(!add);delay5ms();if(add=1)ri+;switch(yue)case 2:if(

17、nian%4=0)&&(nian%100!=0)|(nian%100=0)&&(nian%400=0)if(ri=29)ri=1;write_command(0x80+8);write_data(ri / 10 % 10 + 48);write_data(ri % 10 + 48);write_command(0x80+8);write_command(0x0f);flag1=1;else if(ri=30)ri=1;write_command(0x80+8);write_data(ri / 10 % 10 + 48);write_data(ri % 10 +

18、48);write_command(0x80+8);write_command(0x0f);flag1=1;case 1:case 3:case 5:case 7:case 8:case 10:case 12:if(ri=32)ri=1;write_command(0x80+8);write_data(ri / 10 % 10 + 48);write_data(ri % 10 + 48);write_command(0x80+8);write_command(0x0f);flag1=1;case 4:case 6:case 9:case 11:if(ri=32)ri=1;write_comma

19、nd(0x80+8);write_data(ri / 10 % 10 + 48);write_data(ri % 10 + 48);write_command(0x80+8);write_command(0x0f);flag1=1;if(sub=0)delay5ms();if(sub=0)while(!sub);delay5ms();if(sub=1)ri-;switch(yue)case 2:if(nian%4=0)&&(nian%100!=0)|(nian%100=0)&&(nian%400=0)if(ri=-1)ri=28;write_command(0x

20、80+8);write_data(ri / 10 % 10 + 48);write_data(ri % 10 + 48);write_command(0x80+8);write_command(0x0f);flag1=1;else if(ri=-1)ri=29;write_command(0x80+8);write_data(ri / 10 % 10 + 48);write_data(ri % 10 + 48);write_command(0x80+8);write_command(0x0f);flag1=1;case 1:case 3:case 5:case 7:case 8:case 10

21、:case 12:if(ri=-1)ri=31;write_command(0x80+8);write_data(ri / 10 % 10 + 48);write_data(ri % 10 + 48);write_command(0x80+8);write_command(0x0f);flag1=1;case 4:case 6:case 9:case 11:if(ri=-1)ri=30;write_command(0x80+8);write_data(ri / 10 % 10 + 48);write_data(ri % 10 + 48);write_command(0x80+8);write_

22、command(0x0f);flag1=1;if(adjust=6)write_command(0x80+5);write_command(0x0f);if(add=0)delay5ms();if(add=0)while(!add);delay5ms();if(add=1)yue+;if(yue=13)yue=1;write_command(0x80+5);write_data(yue / 10 % 10 + 48);write_data(yue % 10 + 48);write_command(0x80+5);write_command(0x0f);flag1=1;if(sub=0)dela

23、y5ms();if(sub=0)while(!sub);delay5ms();if(sub=1)yue-;if(yue=-1)yue=12;write_command(0x80+5);write_data(yue / 10 % 10 + 48);write_data(yue % 10 + 48);write_command(0x80+5);write_command(0x0f);flag1=1;if(adjust=7)write_command(0x80+2);write_command(0x0f);if(add=0)delay5ms();if(add=0)while(!add);delay5

24、ms();if(add=1)nian+;if(nian=100)nian=0;write_command(0x80+2);write_data(nian / 10 % 10 + 48);write_data(nian % 10 + 48);write_command(0x80+2);write_command(0x0f);flag1=1;if(sub=0)delay5ms();if(sub=0)while(!sub);delay5ms();if(sub=1)nian-;if(nian=-1)nian=99;write_command(0x80+2);write_data(nian / 10 %

25、 10 + 48);write_data(nian % 10 + 48);write_command(0x80+2);write_command(0x0f);flag1=1;if(ok=0)delay5ms();if(ok=0)while(!ok);delay5ms();if(ok=1)adjust=0;if(flag1=1)if(t=1)Ds1302_Single_Byte_Write(0x80,miao);Ds1302_Single_Byte_Write(0x82,fen);Ds1302_Single_Byte_Write(0x84,shi);Ds1302_Single_Byte_Writ

26、e(0x8a,zhou);Ds1302_Single_Byte_Write(0x86,ri);Ds1302_Single_Byte_Write(0x88,yue);Ds1302_Single_Byte_Write(0x8c,nian);t=0;if(c=1)n=nian;y=yue;r=ri;z=zhou;s=shi;f=fen;m=miao;c=0;if(adjust=0)flag=1;if(out=0)delay5ms();if(out=0)while(!out);delay5ms();if(out=1)flag=1;if(t=1)&&(adjust!=0)if(choos

27、et=0)delay5ms();if(chooset=0)while(!chooset);delay5ms();if(chooset=1)adjust+;if(adjust=8)adjust=1;if(c=1)&&(adjust!=0)if(choosec=0)delay5ms();if(choosec=0)while(!choosec);delay5ms();if(choosec=1)adjust+;if(adjust=8)adjust=1; void main()EA=1;EX0=1;IT0=1;EX1=1;IT1=1;P2 =0x80;P0 =0xff;P2 =0x1f;

28、P2 =0xc0;P0 =0xff;P2 =0x1f;P2 =0xe0;P0 =0xff;P2 =0x1f;P2 =0xa0;relay=0;buzz=0;P2 =0x1f;init_1602();write_command(0x80);for(i=0;i<16;i+)write_data(welcome1i);write_command(0x80+40);for(i=0;i<16;i+)write_data(welcome2i);delay1s(2);init_1602();Ds1302_init();write_command(0x80);write_data('2&#

29、39;);write_data('0');write_command(0x80+4);write_data('-');write_command(0x80+7);write_data('-');write_command(0x80+0x40+10);write_data(':');write_command(0x80+0x40+13);write_data(':');display();void time_adjust() interrupt 0EX1=0;miao=sec;fen=min;shi=hour;zhou=week;ri=day;yue=month;nian=year;if(chooset=0)delay5ms();if(chooset=0)while(!chooset);delay5ms();if(chooset=1)write_command(0x80+0x40);write_data('>');write_data('>');write_data('T');t=1;adjust=