电子时钟完整版(C语言程序)(34页).doc
-电子时钟完整版(C语言程序)电子时钟完整版（C语言程序）作者:佚名 来源:本站原创 点击数:34 更新时间：2012年03月26日 【字体： 】板子介绍:淘宝购买: 点击咨询QQ 电话:15173607302本程序完全测试通过 按上面的电路图 用1602液晶显示 可调时间.#include<reg52.h>#define uint unsigned int#define uchar unsigned char#define w_Sec 0x80#define w_Min 0x82#define w_Hou 0x84#define w_Day 0x86#define w_Mou 0x88#define w_xi 0x8a#define w_Yea 0x8c / DS1302写数据#define r_Sec 0x81#define r_Min 0x83#define r_Hou 0x85#define r_Day 0x87#define r_Mou 0x89#define r_xi 0x8b#define r_Yea 0x8d /DS1302读数据#define w_protect 0x8e /DS1302写保护uchar code table="11-6-20" /制作时间uchar code time1="00:00:00" /时间模式1，用于普通计时uchar code time2="00:00:00:00" /时间模式2，用于秒表计时uchar code time3="00:00" /时间模式3，用于闹钟设置uchar code miaobiao="StopWatch"uchar code naozhong="Alarm"uchar code stuinfo1="ZLW0800730203"uchar code stuinfo2="LWL0807030209"uchar code xi1="Mon"uchar code xi2="Tue"uchar code xi3="Wed"uchar code xi4="Thu"uchar code xi5="Fri"uchar code xi6="Sat"uchar code xi7="Sun"unsigned char code str1="Temperature:"unsigned char code str2=" "uchar data disdata5;uint tvalue; /温度值uchar tflag; /温度正负标志 /18B20sbit RS=P20;sbit RW=P21;sbit EN=P22; /1602控制端定义sbit ACC_7 = ACC7; /位寻址寄存器sbit SCK = P11; /DS1302时钟信号sbit SDA = P10; /DS1302数据信号sbit RST = P12 ; /DS1302片选信号sbit k1=P14;sbit k2=P15;sbit k3=P16;sbit k4=P17;sbit alarm=P37;sbit DQ = P27; /DS18B20uint i,shi,fen,miao,haomiao,nian,yue,ri,num,x,menu,n,nshi=0,nfen=1; /nshi、nfen用来判别闹钟，与系统时间对比uchar sshi,sfen,smiao,snian,syue,sri,sxi;/*延时程序*/void delay(uint z) uint x,y; for(x=z;x>0;x-) for(y=110;y>0;y-);/*ds1302*/*向DS1302写入一字节数据 void Write1302(uchar addr, uchar d) unsigned char i; SCK=0; RST=1;/写入目标地址：addr for (i = 0; i < 8; i +) if (addr & 0x01) SDA=1; else SDA=0; /并口转串口 SCK=1; /上升沿写数据 SCK=0; addr = addr >> 1; /写入数据：d for (i = 0; i < 8; i +) if (d & 0x01) SDA=1; else SDA=0; SCK=1; SCK=0; d = d >> 1; RST=0; /停止DS1302总线/*从DS1302读出一字节数据unsigned char Read1302(uchar addr) unsigned char i; unsigned char temp; unsigned char dat1=0; unsigned char dat2=0; SCK=0; RST=1;/写入目标地址：addr for (i = 0; i < 8; i +) if (addr & 0x01) SDA=1; else SDA=0; SCK=1; SCK=0; addr = addr >> 1; /输出数据：temp for (i = 0; i < 8; i +) temp = temp >> 1; if (SDA) temp |= 0x80; else temp &= 0x7F; SCK=1; SCK=0; RST=0; /停止DS1302总线 dat2 = temp/16; / 数据进制转换 dat1 = temp%16; dat1 = dat2*10+dat1; return dat1;/*1602显示*/void write_add(uchar add) /1602控制字 RS=0; P0=add; EN=1; delay(5); EN=0;void write_date(uchar date) /1602显示字 RS=1; P0=date; EN=1; delay(5); EN=0;void writesfm(uchar add,uchar date) /1602显示时分秒 uchar s,g; s = date/10; g = date%10; write_add(0x80+0x40+add); write_date(0x30+s); write_date(0x30+g);void writenyr(uchar add,uchar date) /1602显示年月日 uchar s,g; s=date/10; g=date%10; write_add(0x80+0x00+add); write_date(0x30+s); write_date(0x30+g);void writexi(uchar a) write_add(0x80+0x00+11); if(a=1) for(i=0;i<3;i+) write_date(xi1i); delay(5); if(a=2) for(i=0;i<3;i+) write_date(xi2i); delay(5); if(a=3) for(i=0;i<3;i+) write_date(xi3i); delay(5); if(a=4) for(i=0;i<3;i+) write_date(xi4i); delay(5); if(a=5) for(i=0;i<3;i+) write_date(xi5i); delay(5); if(a=6) for(i=0;i<3;i+) write_date(xi6i); delay(5); if(a=7) for(i=0;i<3;i+) write_date(xi7i); delay(5); void writefuhao(void) /写符号 write_add(0x80+0x00+2); write_date(table2); delay(10); write_add(0x80+0x00+5); write_date(table2); delay(10); write_add(0x80+0x40+2); write_date(time12); delay(10); write_add(0x80+0x40+5); write_date(time12); delay(10);/*ds1820程序*/void delay_18B20(unsigned int i)/延时1微秒 while(i-);void ds1820rst() /ds1820复位 unsigned char x=0; DQ = 1; /DQ复位 delay_18B20(4); /延时 DQ = 0; /DQ拉低 delay_18B20(100); /精确延时大于480us DQ = 1; /拉高 delay_18B20(40);uchar ds1820rd() /读数据 unsigned char i=0; unsigned char dat = 0; for (i=8;i>0;i-) DQ = 0; /给脉冲信号 dat>>=1; DQ = 1; /给脉冲信号 if(DQ) dat|=0x80; delay_18B20(10); return(dat);void ds1820wr(uchar wdata) /写数据 unsigned char i=0; for (i=8; i>0; i-) DQ = 0; DQ = wdata&0x01; delay_18B20(10); DQ = 1; wdata>>=1; read_temp() /读取温度值并转换 uchar a,b; ds1820rst(); ds1820wr(0xcc); /跳过读序列号 ds1820wr(0x44); /启动温度转换 ds1820rst(); ds1820wr(0xcc); /跳过读序列号 ds1820wr(0xbe);/读取温度 a=ds1820rd(); b=ds1820rd(); tvalue=b; tvalue<<=8; tvalue=tvalue|a; if(tvalue<0x0fff) tflag=0; else tvalue=tvalue+1; tflag=1; tvalue=tvalue*(0.625);/温度值扩大10倍，精确到1位小数 return(tvalue);/*/void ds1820disp() /温度值显示 uchar flagdat; disdata0=tvalue/1000+0x30; /百位数 disdata1=tvalue%1000/100+0x30; /十位数 disdata2=tvalue%100/10+0x30; /个位数 disdata3=tvalue%10+0x30; /小数位 if(tflag=0) flagdat=0x20; /正温度不显示符号 else flagdat=0x2d; /负温度显示负号:- if(disdata0=0x30) disdata0=0x20; /如果百位为0，不显示 if(disdata1=0x30) disdata1=0x20; /如果百位为0，十位为0也不显示 write_add(0x80+0x40+8); write_date(flagdat); /显示符号位 write_add(0x80+0x40+9); write_date(disdata0); /显示百位 write_add(0x80+0x40+10); write_date(disdata1); /显示十位 write_add(0x80+0x40+11); write_date(disdata2); /显示个位 write_add(0x80+0x40+12); write_date(0x2e); /显示小数点 write_add(0x80+0x40+13); write_date(disdata3); /显示小数位 write_add(0x80+0x40+14); write_date(0xdf); /显示"。" write_add(0x80+0x40+15); write_date(0x63); /显示"c"void init_info(void) write_add(0x80+0x00+0); for(i=0;i<14;i+) write_date(stuinfo1i); delay(5); write_add(0x80+0x40+0); for(i=0;i<14;i+) write_date(stuinfo2i); delay(5); void Speak1() /闹铃 alarm = 0; smiao = Read1302(r_Sec); sfen = Read1302(r_Min); sshi = Read1302(r_Hou); snian = Read1302(r_Yea); syue = Read1302(r_Mou); sri = Read1302(r_Day); sxi = Read1302(r_xi); writefuhao(); writesfm(0,sshi); writesfm(3,sfen); writesfm(6,smiao); writenyr(0,snian); writenyr(3,syue); writenyr(6,sri); writexi(sxi); delay(500); alarm = 1; delay(500);void Speak2() alarm=0; delay(2000); alarm=1;void Normal() /正常显示时间功能 smiao = Read1302(r_Sec); sfen = Read1302(r_Min); sshi = Read1302(r_Hou); snian = Read1302(r_Yea); syue = Read1302(r_Mou); sri = Read1302(r_Day); sxi = Read1302(r_xi); /读取时间数据 if(nshi=sshi)&&(nfen=sfen) /闹钟铃响 for(i=0;i<10;i+) Speak1(); while(k1=1)|(k2=1)|(k3=1)|(k4=1) /按下任意键，闹钟停止闹铃 alarm=1; /关闭蜂鸣器 if(sshi=0|sshi=1|sshi=2|sshi=3|sshi=4|sshi=5|sshi=6|sshi=7 |sshi=8|sshi=9|sshi=10|sshi=11|sshi=12|sshi=13|sshi=14|sshi=15|sshi=16 |sshi=1|sshi=18|sshi=19|sshi=20|sshi=21|sshi=22|sshi=23)&&(sfen=0)&&(smiao=0) Speak2(); /整点报时 alarm=1; /关闭蜂鸣器 writefuhao(); writesfm(0,sshi); writesfm(3,sfen); writesfm(6,smiao); writenyr(0,snian); writenyr(3,syue); writenyr(6,sri); writexi(sxi);void StopWatch () reentrant /秒表功能 haomiao=0; miao=0; fen=0; shi=0; write_add(0x01); /清屏 write_add(0x0c); write_add(0x80+0x00+0); for(i=0;i<9;i+) write_date(miaobiaoi); delay(5); write_add(0x80+0x40+0); for(i=0;i<11;i+) write_date(time2i); delay(5); while(!k4); while(k4!=0) if(k1=0) delay(10); /消抖 if(k1=0) StopWatch(); haomiao+; if(haomiao=100) haomiao=0; miao+; if(miao=60) miao=0; fen+; if(fen=60) fen=0; shi+; if(shi=24) shi=0; writesfm(0,shi); writesfm(3,fen); writesfm(6,miao); writesfm(9,haomiao); /*TR0 = 0; menu=3;*/ void key() /闹钟时的按键功能 if(k1=0) delay(10); if(k1=0) n+; while(!k1); if(n=1) write_add(0x0f); write_add(0x80+0x40+4); /写shi if(n=2) write_add(0x0f); write_add(0x80+0x40+7); /写fen if(n=3) n=0; nfen=fen; nshi=shi; /确认 write_add(0x0c); /光标不闪烁 if(k2=0) delay(10); if(k2=0) while(!k2); if(n=1) shi+; if(shi=24) shi=0; writesfm(4,shi); if(n=2) fen+; if(fen=60) fen=0; writesfm(7,fen); if(k3=0) delay(10); if(k3=0) while(!k3); if(n=1) shi-; if(shi=-1) shi=23; writesfm(4,shi); if(n=2) fen-; if(fen=-1) fen=59; writesfm(7,fen); menu=4;void Alarm(void) /设定闹钟功能,k4键跳转其他功能 write_add(0x06); write_add(0x01); /清屏 write_add(0x80+0x00+0); for(i=0;i<5;i+) write_date(naozhongi); /显示Alarm标识符 write_add(0x80+0x40+4); writesfm(4,nshi); write_date(0x3a); writesfm(7,nfen); shi=nshi; fen=nfen; while(!k4); while(k4) key(); write_add(0x0c); /开显示，不显示光标void key1(void) if(k1=0) /设置光标所在位置 delay(10); /去抖 if(k1=0) num+; while(!k1); if(num=1) write_add(0x0f); /显示光标并闪烁 write_add(0x80+0x40+6); if(num=2) write_add(0x0f); /显示光标并闪烁 write_add(0x80+0x40+3); if(num=3) write_add(0x0f); /显示光标并闪烁 write_add(0x80+0x40+0); if(num=4) write_add(0x0f); /显示光标并闪烁 write_add(0x80+0x00+6); if(num=5) write_add(0x0f); /显示光标并闪烁 write_add(0x80+0x00+3); if(num=6) write_add(0x0f); /显示光标并闪烁 write_add(0x80+0x00+0); if(num=7) write_add(0x0f); /显示光标并闪烁 write_add(0x80+0x00+11); if(num=8) num=0; write_add(0x0c); void key2(void) Write1302(w_protect,0x00); /禁止写保护 if(k2=0) /实现加法 delay(10); if(k2=0) while(!k2); if(num=1) miao+; if(miao=60) miao=0; writesfm(6,miao); Write1302(w_Sec,(miao/10)*16+miao%10); /将miao转换成BCD码 if(num=2) fen+; if(fen=60) fen=0; writesfm(3,fen); Write1302(w_Min,(fen/10)*16+fen%10); if(num=3) shi+; if(shi=24) shi=0; writesfm(0,shi); Write1302(w_Hou,(shi/10)*16+shi%10); if(num=4) ri+; if(ri=30) ri=0; writenyr(6,ri); Write1302(w_Day,(ri/10)*16+ri%10); if(num=5) yue+; if(yue=13) yue=1; writenyr(3,yue); Write1302(w_Mou,(yue/10)*16+yue%10); if(num=6) nian+; if(nian=100) nian=0; writenyr(0,nian); Write1302(w_Yea,(nian/10)*16+nian%10);
