单片机课程设计数字时钟

1、 单片机课程设计，数字时钟 学校：中原工学院信息商务学院 专业：机械设计制造及其自动化 班级：机自102 名：彪1、 设计要求1、 显示学号及制作日期。2、 可以调整时间，时分秒。3、 可以定时2、 配件 51或52单片机一个，各种电容若干个，各种电阻若干个，六个共阳极led灯，一个12MHZ晶振，一个32.768kHz晶振，一个ds1302时钟芯片，一个排阻，一个喇叭，五个按钮，导线若干个。3、 数字电路模拟图5、单片机程序#include <reg52.h> #include <stdio.h> #define uchar unsigned char #define

2、 uint unsigned intbit ta,ni,wo,nao,hu,ding,cha; uint a,j,k,dingshi,dingfen; uchar z,x,c,v,b,n,shi,fen,miao,w,r,y,dat,ds1,ds2,df1,df2,huancun,Th0,Tl0;uchar code tab=0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10;sbit shi1=P10;sbit shi2=P11;sbit fen1=P12;sbit fen2=P13;sbit miao1=P14;sbit miao2=P15;

3、sbit RST=P20;sbit SCLK=P21;sbit IO= P22;sbit jiashi=P23;sbit jiafen=P24;sbit jiamiao=P25;sbit kai=P26;sbit xiang=P27; void delay1 () ; void shuru(uchar q); void xuehao1 (uchar z,uchar x,uchar c,uchar v,uchar b,uchar n); void write_byte(uchar dat);/写一个字节 uchar read_byte();/读一个字节 void write_1302(uchar

4、 add,uchar dat);/向1302芯片写函数，指定写入地址，数据 uchar read_1302(uchar add);/从1302读数据函数，指定读取数据来源地址 void ds1302_init() ;/1302芯片初始化子函数(2012-06-18,12:00:00,week7) uchar readset1302(uchar Cmd); void xianshimiao(uchar w); void xianshifen(uchar r) ; void xianshishi(uchar y); void tiaozhengshi(); void tiaozhengfen();

5、 void tiaozhengmiao(); void PlayKey(void); void delay_1ms(uchar i); void dingshikaiguan(void); void chanao(void); void tiaozhengshijian(void); void kaishi(uchar z,uchar x,uchar c,uchar v,uchar b,uchar n); uchar code KeyCode=0xFF,0xFF,0xF8,0x8B,0xF9,0x5B,0xFA,0x14,0xFA,0x66,0xFB,0x03,0xFB,0x8F,0xFC,0

6、x0B,/低音 0xFC,0x43,0xFC,0xAB,0xFD,0x08,0xFD,0x33,0xFD,0x81,0xFD,0xC7,0xFE,0x05,/中音 0xFE,0x21,0xFE,0x55,0xFE,0x84,0xFE,0X99,0XFE,0xC0,0xFE,0xE3,0xFF,0x02,/高音 ; void int2_int() interrupt 0 hu=1;ding=0;cha=0; time0() interrupt 1 /定时器0中断 TH0=Th0; TL0=Tl0; xiang=xiang; void main () P1=0; xiang=1; ding=0;

7、cha=0; kaishi(2,0,1,0,0,6) ; kaishi(0,2,4,2,1,4) ; kaishi(1,3,0,6,1,6) ;ds1302_init() ; EA=1; EX0=1; IT0=1; TMOD=0X01; TR0=0; ET0=1; while(1) miao=read_1302(0x81);xianshimiao(miao);fen=read_1302(0x83);xianshifen(fen) ;shi= read_1302(0x85);xianshishi(shi); chanao(); dingshikaiguan();if(ding=1) PlayKe

8、y(); xiang=1;tiaozhengshijian(); void xianshimiao(uchar w) uchar e; e=w/16; P0=tabe; miao1=1; delay1 ();miao1=0; e=w%16; P0=tabe; miao2=1; delay1 ();miao2=0 ; void xianshifen(uchar r) uchar t; t=r/16; P0=tabt; fen1=1; delay1 (); fen1=0; t=r%16; P0=tabt; fen2=1; delay1 (); fen2=0; void xianshishi(uch

9、ar y) uchar u; u=y/16; P0=tabu; shi1=1; delay1 (); shi1=0; u=y%16; P0=tabu; shi2=1; delay1 (); shi2=0; void shuru(uchar q) P0=tabq ; void delay1 () for(k=0;k<120;k+) ; void delaynus(uchar n) uchar i; for(i=0;i<n;i+) ; void xuehao1 (uchar z,uchar x,uchar c,uchar v,uchar b,uchar n) for(a=0;a<

10、1;a+) shuru(z); shi1=1 ; delay1 (); shi1=0; shuru(x); shi2=1; delay1 () ; shi2=0; shuru(c); fen1=1; delay1 () ; fen1=0; shuru(v); fen2=1; delay1 () ; fen2=0; shuru(b); miao1=1; delay1 (); miao1=0; shuru(n); miao2=1; delay1 () ; miao2=0; void write_byte(uchar dat) uchar p; SCLK=0; /拉低SCLK，为脉冲上升沿写入数据做

11、好准备 delaynus(2); /稍微等待，使硬件做好准备 for(p=0;p<8;p+) /连续写8个二进制位数据 IO=dat&0x01; /取出dat的第0位数据写入1302 delaynus(2); /稍微等待，使硬件做好准备 SCLK=1; /上升沿写入数据 delaynus(2); /稍微等待，使硬件做好准备 SCLK=0; /重新拉低SCLK，形成脉冲 dat>>=1; /将dat的各数据位右移1位，准备写入下一个数据位 uchar read_byte(void) uchar i,dat; delaynus(2); /稍微等待，使硬件做好准备 for(

12、i=0;i<8;i+) /连续读8个二进制位数据 dat>>=1; /将dat的各数据位右移1位，因为先读出的是字节的最低位 if(IO=1) /如果读出的数据是1 dat|=0x80; /将1取出，写在dat的最高位 SCLK=1; /将SCLK置于高电平，为下降沿读出 delaynus(2); /稍微等待 SCLK=0; /拉低SCLK，形成脉冲下降沿 delaynus(2); /稍微等待 return dat; /将读出的数据返回 void write_1302(uchar add,uchar dat)/向1302芯片写函数，指定写入地址，数据 RST=0; SCLK=

13、0; RST=1; write_byte(add); write_byte(dat); SCLK=1; RST=0; uchar read_1302(uchar add)/从1302读数据函数，指定读取数据来源地址 uchar temp; RST=0; SCLK=0; RST=1; write_byte(add); temp=read_byte(); SCLK=1; RST=0; return(temp); void ds1302_init() /1302芯片初始化子函数(2012-06-18,12:00:00,week7) RST=0; SCLK=0; write_1302(0x8e,0x0

14、0); /允许写，禁止写保护 write_1302(0x80,0x00); /向DS1302内写秒寄存器80H写入初始秒数据00 write_1302(0x82,0x00);/向DS1302内写分寄存器82H写入初始分数据00 write_1302(0x84,0x12);/向DS1302内写小时寄存器84H写入初始小时数据12 write_1302(0x8a,0x07);/向DS1302内写周寄存器8aH写入初始周数据4 write_1302(0x86,0x16);/向DS1302内写日期寄存器86H写入初始日期数据16 write_1302(0x88,0x06);/向DS1302内写月份寄存

15、器88H写入初始月份数据06 write_1302(0x8c,0x13);/向DS1302内写年份寄存器8cH写入初始年份数据13 void tiaozhengshi() shi=(shi+1)/16+(shi+1)%16/10)*16+(shi+1)%16%10; if(shi=0x24) shi=0; write_1302(0x84,shi); void tiaozhengfen() fen=(fen+1)/16+(fen+1)%16/10)*16+(fen+1)%16%10; if(fen=0x60) fen=0; write_1302(0x82,fen); void tiaozheng

16、miao() miao=(miao+1)/16+(miao+1)%16/10)*16+(miao+1)%16%10; if(miao=0x60) miao=0; write_1302(0x80,miao); void PlayKey(void) Th0=KeyCode2*14+2*2; Tl0=KeyCode2*14+2*2+1; TH0=Th0; TL0=Tl0; TR0=1; delay_1ms(20); TR0=0; void delay_1ms(uchar i) /延时 uchar j,k; for(j=0;j<i;j+) for(k=0;k<148;k+) ; void

17、dingshikaiguan(void) if(kai=0) wo=0; ta=0; dingshi=0; dingfen=0; hu=0; ds1=0; ds2=0; df1=0 ; df2=0; while(hu=0) xuehao1 (ds1,ds2,df1,df2,0,0); if(jiashi=1) wo=0;if(jiafen=1) ta=0; if(wo=0) if(jiashi=0) dingshi+;if(dingshi=24) dingshi=0;ds1= dingshi/10;ds2=dingshi%10; wo=1; if(ta=0) if(jiafen=0) ding

18、fen+; if(dingfen=60) dingfen=0; df1=dingfen/10; df2=dingfen%10; ta=1; if(dingfen+dingshi)!=0) cha=1; fen=read_1302(0x83); huancun=(fen+dingfen)/60;dingfen= (fen+dingfen)%60; shi= read_1302(0x85); dingshi=(dingshi+shi+huancun)%24; void chanao(void) if(cha=1)if(dingshi=shi) if(dingfen=fen) ding=1; void tiaozhengshijian(void) if(jiashi=1) wo=0;if(jiafen=1) ta=0;if(jiamiao=1) ni=0; if(wo=0) if(jiashi=0) tiaozhengshi(); wo=1; if(ta=0)if(jiafen=0) tiaozhengfen(); ta=1;if(ni=0)if(jiamiao=0) tiaozhengmiao(); ni=1 ; void kaishi(uchar z,uchar x,uchar c,uchar