1602液晶显示DS1302实时时钟程序
#include <reg51.h>#include <intrins.h>unsigned char code dis_week[]={"SUN,MON,TUE,WED,THU,FRI,SAT"}; unsigned char code para_month[13]={0,0,3,3,6,1,4,6,2,5,0,3,5}; //星期月参变数unsigned char data dis_buf1[16]; //lcd上排显示缓冲区unsigned char data dis_buf2[16]; //lcd下排显示缓冲区unsigned char data year,month,date,week;//年、月、日、星期unsigned char data armhour,armmin,armsec;//闹钟时、分、秒unsigned char data hour,min,sec,sec100; //时、分、秒、百分之一秒unsigned char data flag,vkey,skey;//设置状态计数标志、按键先前值、按键当前值bit alarm; //标识是否启用闹钟，1--启用，0--关闭sbit rs = P2^0; //LCD数据/命令选择端(H/L)sbit rw = P2^1; //LCD读/写选择端(H/L)sbit ep = P2^2; //LCD使能控制sbit PRE = P1^6; //调整键(k3)sbit SET = P1^7; //调整键(k4)sbit SPK = P3^7;void delayms(unsigned char ms); //延时程序bit lcd_busy(); //测试LCD忙碌状态程序void lcd_wcmd(char cmd); //写入指令到LCD程序void lcd_wdat(char dat); //写入数据到LCD程序void lcd_pos(char pos); //LCD数据指针位置程序void lcd_init(); //LCD初始化设定程序void pro_timedate(); //时间日期处理程序void pro_display(); //显示处理程序void pro_key(); //按键处理程序void time_alarm(); //定时报警功能(闹钟) unsigned char scan_key(); //按键扫描程序unsigned char week_proc(); //星期自动计算与显示函数bit leap_year(); //判断是否为闰年void lcd_sef_chr(); //LCD自定义字符程序void update_disbuf(unsigned char t1,unsigned char t2[],unsigned char dis_h,unsigned char dis_m,unsigned char dis_s);//更新显示缓冲区函数// 延时程序void delay(unsigned char ms){ while(ms--){ unsigned char i;for(i = 0; i 250; i++){_nop_(); //执行一条_nop_()指令为一个机器周期_nop_();_nop_();_nop_();}}}//测试LCD忙碌状态bit lcd_busy(){bit result;rs = 0;rw = 1;ep = 1;_nop_();_nop_();_nop_();_nop_();result =(bit)(P0&0x80); //LCD的D0--D7中,D7=1为忙碌,D7=0为空闲ep = 0;return result;}//写入指令到LCDvoid lcd_wcmd(char cmd){while(lcd_busy()); //当lcd_busy为1时,再次检测LCD忙碌状态,lcd-busy为0时,开始写指令rs = 0;rw = 0;ep = 0;_nop_();_nop_();P0 = cmd;_nop_();_nop_();_nop_();_nop_();ep = 1;_nop_();_nop_();_nop_();_nop_();ep = 0;}//写入数据到LCDvoid lcd_wdat(char dat){while(lcd_busy()); //当lcd_busy为1时,再次检测LCD忙碌状态,lcd-busy为0时,开始写数据rs = 1;rw = 0;ep = 0;P0 = dat;_nop_();_nop_();_nop_();_nop_();ep = 1;_nop_();_nop_();_nop_();_nop_();ep = 0;}//LCD数据指针位置程序void lcd_pos(char pos){lcd_wcmd(pos|0x80); //数据指针=80+地址码(00H~27H,40H~67H)}//设定二个自定义字符,(注意：LCD1602中自定义字符的地址为0x00--0x07,即可定义8个字符)//这里我们设定把一个自定义字符放在0x00位置（000）,另一个放在0x01位子（001）void lcd_sef_chr(){ //第一个自定义字符lcd_wcmd(0x40); //"01 000 000" 第1行地址 (D7D6为地址设定命令形式 D5D4D3为字符存放位置(0--7)，D2D1D0为字符行地址(0--7)）lcd_wdat(0x1f); //"XXX 11111" 第1行数据（D7D6D5为XXX，表示为任意数(一般用000），D4D3D2D1D0为字符行数据(1-点亮，0-熄灭） lcd_wcmd(0x41); //"01 000 001" 第2行地址lcd_wdat(0x11); //"XXX 10001" 第2行数据lcd_wcmd(0x42); //"01 000 010" 第3行地址lcd_wdat(0x15); //"XXX 10101" 第3行数据lcd_wcmd(0x43); //"01 000 011" 第4行地址lcd_wdat(0x11); //"XXX 10001" 第4行数据lcd_wcmd(0x44); //"01 000 100" 第5行地址lcd_wdat(0x1f); //"XXX 11111" 第5行数据lcd_wcmd(0x45); //"01 000 101" 第6行地址lcd_wdat(0x0a); //"XXX 01010" 第6行数据lcd_wcmd(0x46); //"01 000 110" 第7行地址lcd_wdat(0x1f); //"XXX 11111" 第7行数据lcd_wcmd(0x47); //"01 000 111" 第8行地址lcd_wdat(0x00); //"XXX 00000" 第8行数据//第二个自定义字符lcd_wcmd(0x48); //"01 001 000" 第1行地址lcd_wdat(0x01); //"XXX 00001" 第1行数据lcd_wcmd(0x49); //"01 001 001" 第2行地址lcd_wdat(0x1b); //"XXX 11011" 第2行数据lcd_wcmd(0x4a); //"01 001 010" 第3行地址lcd_wdat(0x1d); //"XXX 11101" 第3行数据lcd_wcmd(0x4b); //"01 001 011" 第4行地址lcd_wdat(0x19); //"XXX 11001" 第4行数据lcd_wcmd(0x4c); //"01 001 100" 第5行地址lcd_wdat(0x1d); //"XXX 11101" 第5行数据lcd_wcmd(0x4d); //"01 001 101" 第6行地址lcd_wdat(0x1b); //"XXX 11011" 第6行数据lcd_wcmd(0x4e); //"01 001 110" 第7行地址lcd_wdat(0x01); //"XXX 00001" 第7行数据lcd_wcmd(0x4f); //"01 001 111" 第8行地址lcd_wdat(0x00); //"XXX 00000" 第8行数据}//LCD初始化设定void lcd_init(){lcd_wcmd(0x38); //设置LCD为16X2显示,5X7点阵,八位数据借口delay(1);lcd_wcmd(0x0c); //LCD开显示及光标设置(光标不闪烁,不显示"-")delay(1);lcd_wcmd(0x06); //LCD显示光标移动设置(光标地址指针加1,整屏显示不移动)delay(1);lcd_wcmd(0x01); //清除LCD的显示内容delay(1);}//闰年的计算bit leap_year(){bit leap;if((year%4==0&&year%100!=0)||year%400==0)//闰年的条件leap=1;elseleap=0;return leap;}//星期的自动运算和处理unsigned char week_proc(){ unsigned char num_leap;unsigned char c;num_leap=year/4-year/100+year/400;//自00年起到year所经历的闰年数if( leap_year()&& month=2 ) //既是闰年且是1月和2月c=5;elsec=6;week=(year+para_month[month]+date+num_leap+c)%7;//计算对应的星期return week;}//更新显示缓冲区void update_disbuf(unsigned char t1,unsigned char t2[],unsigned char dis_h,unsigned char dis_m,unsigned char dis_s){ dis_buf1[0]=t1; //dis_buf1[1]=0x20; //空格dis_buf1[2]=50; //'2'dis_buf1[3]=48; //'0'dis_buf1[4]=year/10+48;dis_buf1[5]=year%10+48;dis_buf1[6]=0x2d;dis_buf1[7]=month/10+48;dis_buf1[8]=month%10+48;dis_buf1[9]=0x2d; //'-'dis_buf1[10]=date/10+48;dis_buf1[11]=date%10+48;dis_buf1[12]=0x20;dis_buf1[13]=dis_week[4*week];dis_buf1[14]=dis_week[4*week+1];dis_buf1[15]=dis_week[4*week+2];dis_buf2[0]=t2[0];dis_buf2[1]=t2[1];dis_buf2[2]=t2[2];dis_buf2[3]=t2[3];dis_buf2[4]=t2[4];dis_buf2[5]=t2[5];dis_buf2[6]=0x20; //空格if (alarm)dis_buf2[7]=0x01; //alarm=1，显示闹钟启用标致（第二个自定义字符）elsedis_buf2[7]=0x20; //alarm=0，不显示闹钟启用标致dis_buf2[8]=dis_h/10+48;dis_buf2[9]=dis_h%10+48;dis_buf2[10]=0x3a; //':'dis_buf2[11]=dis_m/10+48;dis_buf2[12]=dis_m%10+48;dis_buf2[13]=0x3a;dis_buf2[14]=dis_s/10+48;dis_buf2[15]=dis_s%10+48;}//时间和日期处理程序void pro_timedate(){sec++;if(sec > 59){sec = 0;min++;if(min>59){min=0;hour++;if(hour>23){hour=0;date++;if(month==1||month==3||month==5||month==7||month==8||month==10||month== 12)if (date>31){date=1;month++;} //大月31天if(month==4||month==6||month==9||month==11)if (date>30){date=1;month++;} //小月30天if (month==2){if( leap_year())//闰年的条件{if (date>29){date=1;month++;}} //闰年2月为29天else{if (date>28){date=1;month++;}} //平年2月为28天}if (month>12) {month=1;year++;}if (year>99) year=0;}}}week_proc();if (sec==armsec && min==armmin &&hour==armhour){if (alarm)TR1=1; //闹钟启用时，报警时间到,启动Timer1}}//显示处理程序void pro_display(){ unsigned char i;lcd_pos(0x00);for (i=0;i=15;i++){lcd_wdat(dis_buf1[i]);}lcd_pos(0x40);for (i=0;i=15;i++){lcd_wdat(dis_buf2[i]);}}//Timer0中断处理程序,秒的产生void timer0() interrupt 1{TH0=0xdc; //Timer0置10ms定时初值dc00H(2^16=65536D,dc00H=56320D)TL0=0x00; //定时时间=(65536-56320)*(1/11.0592)*12=10ms (f0=11.0592Mhz)sec100++;if(sec100 >= 100) //1秒时间 (100*10ms=1000ms=1s){sec100 = 0;pro_timedate();//调用时间和日期处理程序}if(sec&0x01) / /"willar"闪一秒，停一秒update_disbuf(0x00," ",hour,min,sec); //0x0 0表示显示00位置的自定义字符elseupdate_disbuf(0x00,"willar",hour,min,sec);pro_display(); //调用显示处理函数}//按键扫描程序unsigned char scan_key(){skey=0x00; //给变量vkey置初值skey|=PRE; //读取PRE键的状态skey=skey<<1; //将PRE键的状态存于skey的B1位skey|=SET; //读取SET键的状态,并存于skey的B0位return skey; //返回skey的键值(即PRE,SET的状态)//外部中断INT0中断处理程序void int0() interrupt 0{TR0=0;//禁止Timer0IE=0;//禁止中断lcd_wcmd(0x0e); //显示光标"_",整个光标不闪烁alarm=1;update_disbuf(0x50,"alarm:",armhour,armmin,armsec); //更新显示数据，0x50表示要显示"P"pro_display(); //调用显示处理程序lcd_pos(0x47); //使光标位于第一个调整项下flag=0;vkey=0x03;while(flag^0x0a){skey = scan_key(); //扫描按键状态if (skey^vkey) //若skey与vkey相同,跳出循环,相异执行循环体{ delay(10); //去按键抖动skey = scan_key(); //转回扫描按键状态if (skey^vkey) //若skey与vkey相同,跳出循环,相异执行循环体{ vkey=skey; //将skey的值付给vkeyif (skey==0x01) //PRE 键按下{ flag++; / /调整标志位加1switch (flag) //将光标置于相应调整位置{cas e 1: lcd_pos(0x49);break; //光标置小时报警设置位置cas e 2: lcd_pos(0x4c);break; //光标置分钟报警设置位置cas e 3: lcd_pos(0x4f);break; //光标置秒时报警设置位置cas e 4: update_disbuf(0x50,"time: ",hour,min,sec);pro_display();lcd_pos(0x05);break; //光标置年调整位置cas e 5: lcd_pos(0x08);break; //光标置月调整位置cas e 6: lcd_pos(0x0b);break; //光标置日调整位置cas e 7: lcd_pos(0x49);break; //光标置时调整位置cas e 8: lcd_pos(0x4c);break; //光标置分调整位置cas e 9: lcd_pos(0x4f);break; //光标置秒调整位置def ault:break;}}if(skey==0x02) //SET键按下{ pro_key();//转设置按键处理程序}}}}lcd_wcmd(0x0c); //设置LCD开显示及光标不闪烁,不显示"-"lcd_wcmd(0x01); //清除LCD的显示内容IE=0x8f; / /CPU开中断,INT0,INT1,开中断TR0=1;//Timer0启动}//主程序,初始化及初值设定void main(){lcd_init(); //初始化LCDlcd_sef_chr(); //写入自定义字符号hour=0;min=0;sec=0; //开机时的时,分,秒显示armhour=0;armmin=0;armsec=0; //开机时的时,分,秒报警初值year= 5; month=1;date=1; //开机时的年,月,日,星期显示week_proc();alarm=1; //初始开机，启用闹钟IE = 0x8f; //CPU开中断,INT0,INT1,Timer0,Timer1开中断IP = 0x04; //设置INT0为中断最高优先级IT0=0;IT1=0; //外部INT0,INT1设置为电平触发方式（注意，触发不要选边沿方式，易误动） TMOD = 0x11; //Timer0,Timer1工作于模式1, 16位定时方式TH0 = 0xdc;TL0 = 0x00; //Timer0置10ms定时初值TH1 = 0xff;TL1 = 0x00; //Timer1置初值TR0 = 1; //Timer0启动TR1 = 0;while(1);}//设置按键处理程序void pro_key(){switch (flag){case 0:alarm=!alarm; //启用或关闭闹钟（alarm=1:启用,alarm=0:关闭)update_disbuf(0x50,"alarm:",armhour,armmin,ar msec); //更新显示数据pro_display();//调用显示处理lcd_pos(0x47);break;//光标回到原调整位置case 1:armhour++;if (armhour>23) armhour=0;update_disbuf(0x50,"alarm:",armhour,armmin,ar msec); //更新显示数据pro_display();//调用显示处理lcd_pos(0x49);break;//光标回到原调整位置case 2:armmin++;if (armmin>59) armmin=0;update_disbuf(0x50,"alarm:",armhour,armmin,ar msec);pro_display();lcd_pos(0x4c);break;case 3:armsec++;if (armsec>59) armsec=0;update_disbuf(0x50,"alarm:",armhour,armmin,ar msec);pro_display();lcd_pos(0x4f);break;case 4:year++;if (year> 99) year= 0;week_proc();//星期自动运算update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x05);break;case 5:month++;if (month>12) month=1;week_proc();//星期自动运算update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x08);break;case 6:date++;if(month==1||month==3||month==5||month==7||month==8||month==10||month== 12)if (date>31) date=1; //大月31天if(month==4||month==6||month==9||month==11)if (date>30) date=1; //小月30天if (month==2){if(leap_year())//闰年的条件{if (date>29) date=1;} //闰年2月为29天else{if (date>28) date=1;}} //平年2月为28天week_proc();//星期自动运算update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x0b);break;case 7:hour++;if (hour>23) hour=0;update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x49);break;case 8:min++;if (min>59) min=0;update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x4c);break;case 9:sec++;if (sec>59) sec=0;update_disbuf(0x50,"time: ",hour,min,sec);pro_display();lcd_pos(0x4f);break;default:break ;}}//Timer1中断处理程序,产生报警的声音void timer1() interrupt 3{TH1=0xff;TL1=0x00;SPK=~SPK;}//外部中断INT1中断处理程序,停止报警声音void int1() interrupt 2{if(TR1)TR1=0;}//DS1302时钟程序#include <stc89c52.h>#include <intrins.h>#define uchar unsigned char#define uint unsigned int/******************************************************************** ///少占鱼制作河北正定欢迎您长沙航空职业技术学院//2010 年QQ:411656434//版权所有:#define LCD1602_RS P2_5 //定义引脚#define LCD1602_RW P2_6#define LCD1602_E P2_7#define LCD1602_IO P0#define Busy 0x80 //用于检测LCD1602状态字中的Busy标识const uchar num[]=" 3456789+";uchar code a[] = {" E N v"};void WriteData(uchar DAT);void WriteCommand(uchar command,BuysC);uchar ReadData(void);void Readbusy(void);void LCD1602_Init(void);void DisplayOneChar(uchar X, uchar Y, uchar DData);void Displaystring(uchar X, uchar Y, uchar *DData);void Delay5Ms(void);void Delay400Ms(void);void delayms(uint);void delays(uint m) ;void delayus(uchar x) ;sbit DS1302_CLK =P2^0;// P1^0;sbit DS1302_IO =P2^1;// P1^1;sbit DS1302_RST =P2^2;// P1^2;uchar shuju;unsigned char time[]={0x11,0x03,0x28,0x01,0x12,0x39,0x00};// 初始化时间年月日星期时分秒uchar Display_Buffer[12]={"12:25:00"};//时、分、秒的格式uchar riqi[12]={"11-03-28"};//年、月、日的格式uchar xingqi[5]="week";//星期unsigned char second,minute,hour,week,day,month,year;/******************1602函数********************************//******************************************************************** /void delays(uint m){uint i,j;for(i=0;i<m;i++){for(j=0;j<1000;j++){;}}}void Delay(void){unsigned char i;unsigned int j;for(i=0;i<200;i++)for(j=300;j>0;j--);/******************************************************************** *********函数功能:向DS1302送一字节数据子程序入口参数:出口参数:********************************************************************* ********/void InputByte(unsigned char BYTE){char i;for(i=8;i>0;i--){ //前面在read_ds1302()函数里已经把CLK清0了DS1302_CLK=0;//这里再清0一次，看着清楚。
DS1302+LCD1602显示程序
/*头文件*/
#include <reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
#define nop() _nop_()
sbit lcd_rs_port = P2^0; /*定义LCD控制端口*/
/****************************************************************
程序名称: LCD1602显示时间
函 数 名：W1302()
功 能：往DS1302写入数据
说 明：先写地址，后写命令/数据 (内部函数)
调 用：RTInputByte() , RTOutputByte()
入口参数：ucAddr: DS1302地址, ucData: 要写的数据
返 回 值：无
RTInputByte(ucAddr); /* 地址，命令 */
ucData = RTOutputByte(); /* 读1Byte数据 */
T_CLK = 1;
T_RST = 0;
return(ucData);
uchar data time_data_buff[7]={0x00,0x00,0x09,0x01,0x01,0x04,0x09};/*格式为: 秒 分 时 日 月 星期 年 */
uchar data lcd1602_line1[]={" 2000/00/00 000"};
uchar data lcd1602_line2[]={" 00:00:00 "};
ds1302+1602实时时钟
#include<at89x52.h>#include"xianshi.h"sbit io=P1^0; // 1302通信允许sbit SCLK=P1^1; // 1302串行数据的位同步脉冲信号sbit RST=P1^2; // 1302双向串行数据传送sbit ACC7=ACC^7;sbit ACC0=ACC^0;uchar tab[7];uchar year[12]={2,0,0,0,0x2d-0x30,0,0,0x2d-0x30,0,0,0x20-0x30,0x20-0x30};uchar week[7][3]={"mon","tue","wen","thu","fri","sat","sun"};uchar date[8]={0,0,0x3a-0x30,0,0,0x3a-0x30,0,0};void write1302(uchar date)//向ds1302写数据{uchar i;SCLK=0; //初始时钟线置为0ACC=date;for(i=8;i>0;i--) //开始传输8个字节的数据{io=ACC0; //取最低位，注意DS1302的数据和地址都是从最低位开始传输的SCLK=0; //时钟线拉低，为下一个上升沿做准备ACC=ACC>>1; //数据右移一位，准备传输下一位数据}}uchar read1302()//读ds1302数据{uchar i;for(i=8;i>0;i--){ACC=ACC>>1; //要返回的数据左移一位ACC7=io; //从1302由低位到高位逐渐取数据，存入ACC中SCLK=1; //拉高时钟线SCLK=0; //制造下降沿}return(ACC); //返回读取出的数据}void write1302_b(unsigned char add,unsigned char date){RST=0; //初始rst线置为0SCLK=0; //初始时钟sclk线置为0RST=1; //初始rst置为1，传输开始write1302(add); //传输命令字，要写入的时间/日历地址write1302(date); //写入要修改的时间/日期SCLK=1; //时钟线拉高RST=0; //读取结束，rst置为0，结束数据的传输}uchar read1302_b(uchar add){uchar date=0x00;RST=0;SCLK=0;RST=1;write1302(add); //传输命令字，要读取的时间/日历地址date=read1302(); //读取要得到的时间/日期RST=0;SCLK=1;return(date); //返回得到的时间/日期}/*****************初始化DS1302********************************/void init_ds1302(){if((((tab[6]=read1302_b(0x81))>>7)&&0x01)==1)/*秒寄存器的BIT7 定义为时间暂停位，当BIT1 为1 时，时钟振荡器停止工作，器启动，DS1302 正常工作。
DS1302时钟芯片与液晶1602的程序
DS1302测试程序晶振:11.0592MHZ/*********************************包含头文件********************************/#include "reg51.h"#include <intrins.h>/*********************************端口定义**********************************/ sbit DS1302_CLK = P1^0;sbit DS1302_IO = P1^1;sbit DS1302_RST = P1^2;/******************************定义全局变量*********************************/ unsigned char second,minute,hour,week,day,month,year; //秒、分、时、星期、日、月、年unsigned char time[]={0x06,0x03,0x14,0x03,0x12,0x30,0x00}; //初始时间数组/**************************************************************************** 函数功能:数码管扫描延时子程序入口参数:出口参数:****************************************************************************/ void delay1(void){int k;for(k=0;k<400;k++);}/***************************************************************************** 函数功能:向DS1302送一字节数据子程序入口参数:出口参数:*****************************************************************************/ void InputByte(unsigned char byte1){char i;for(i=8;i>0;i--){DS1302_IO=(bit)(byte1&0x01);DS1302_CLK=1;_nop_();DS1302_CLK=0;byte1>>=1;}return;}/***************************************************************************** 函数功能:读DS1302一个字节子程序入口参数:出口参数:*****************************************************************************/ unsigned char outputbyte(void){unsigned char i;unsigned ucdat=0;for(i=8;i>0;i--){DS1302_IO=1;ucdat>>=1;if(DS1302_IO)ucdat|=0x80;DS1302_CLK=1;_nop_();DS1302_CLK=0;}return(ucdat);}/***************************************************************************** 函数功能:向DS1302某地址写一字节数据子程序入口参数:addr,TDat出口参数:*****************************************************************************/ void write_ds1302(unsigned char addr,unsigned char TDat){DS1302_RST=0;_nop_();DS1302_CLK=0;_nop_();DS1302_RST=1;InputByte(addr);_nop_();InputByte(TDat);DS1302_CLK=1;_nop_();DS1302_RST=0;}/***************************************************************************** 函数功能:读DS1302地址子程序入口参数:add出口参数:timedata*****************************************************************************/ unsigned char read_ds1302(unsigned char addr){unsigned char timedata;DS1302_RST=0;_nop_();DS1302_CLK=0;_nop_();DS1302_RST=1;InputByte(addr);timedata=OutputByte();DS1302_CLK=1;_nop_();DS1302_RST=0;return(timedata);}/***************************************************************************** 函数功能:初始化DS1302子程序入口参数:time[](全局变量)出口参数:*****************************************************************************/ void initial_ds1302(){write_ds1302(0x8e,0x00); //写保护寄存器，在对时钟或RAM写前WP一定要为0write_ds1302(0x8c,time[0]); //年write_ds1302(0x88,time[1]); //月write_ds1302(0x86,time[2]); //日write_ds1302(0x8A,time[3]); //星期write_ds1302(0x84,time[4]); //时write_ds1302(0x82,time[5]); //分write_ds1302(0x80,time[6]); //秒write_ds1302(0x8e,0x80); //写保护寄存器}/***************************************************************************** 函数功能:读DS1302时间子程序入口参数:出口参数:全局变量(second,minute,hour,week,day,month,year)*****************************************************************************/ void read_time(){second=read_ds1302(0x81); //秒寄存器minute=read_ds1302(0x83); //分hour=read_ds1302(0x85); //时week=read_ds1302(0x8B); //星期day=read_ds1302(0x87); //日month=read_ds1302(0x89); //月year=read_ds1302(0x8d); //年}void write_com(uchar com){P0=com;rs=0;lcden=0;delay(10);lcden=1;delay(10);lcden=0;}//液晶读写程序//void write_date(uchar date){P0=date;rs=1;lcden=0;delay(10);lcden=1;delay(10);lcden=0;}void init(){dula=0;wela=0;write_com(0x38);delay(20);write_com(0x0f);delay(20);write_com(0x06);delay(20);write_com(0x01);delay(20);}//液晶显示时间程序//void time_display(){void write_com(0x80);void write_date(year);void write_com(0x80+5);void write_date(month);void write_com(0x80+8);void write_date(day);void write_com(0x80+11);void write_date(week);}/***************************************************************************** 函数功能:主程序入口参数:出口参数:*****************************************************************************/ void main(void){initial_ds1302(); //初始化DS1302while(1){read_time(); //读取时间time_display(); //显示时间}}。
1602液晶显示DS1302实时时钟程序.
#include <reg51.h>#include <intrins.h>unsigned char code dis_week[]={"SUN,MON,TUE,WED,THU,FRI,SAT"}; unsigned char code para_month[13]={0,0,3,3,6,1,4,6,2,5,0,3,5}; //星期月参变数unsigned char data dis_buf1[16]; //lcd上排显示缓冲区unsigned char data dis_buf2[16]; //lcd下排显示缓冲区unsigned char data year,month,date,week;//年、月、日、星期unsigned char data armhour,armmin,armsec;//闹钟时、分、秒unsigned char data hour,min,sec,sec100; //时、分、秒、百分之一秒unsigned char data flag,vkey,skey;//设置状态计数标志、按键先前值、按键当前值bit alarm; //标识是否启用闹钟，1--启用，0--关闭sbit rs = P2^0; //LCD数据/命令选择端(H/L)sbit rw = P2^1; //LCD读/写选择端(H/L)sbit ep = P2^2; //LCD使能控制sbit PRE = P1^6; //调整键(k3)sbit SET = P1^7; //调整键(k4)sbit SPK = P3^7;void delayms(unsigned char ms); //延时程序bit lcd_busy(); //测试LCD忙碌状态程序void lcd_wcmd(char cmd); //写入指令到LCD程序void lcd_wdat(char dat); //写入数据到LCD程序void lcd_pos(char pos); //LCD数据指针位置程序void lcd_init(); //LCD初始化设定程序void pro_timedate(); //时间日期处理程序void pro_display(); //显示处理程序void pro_key(); //按键处理程序void time_alarm(); //定时报警功能(闹钟) unsigned char scan_key(); //按键扫描程序unsigned char week_proc(); //星期自动计算与显示函数bit leap_year(); //判断是否为闰年void lcd_sef_chr(); //LCD自定义字符程序void update_disbuf(unsigned char t1,unsigned char t2[],unsigned char dis_h,unsigned char dis_m,unsigned char dis_s);//更新显示缓冲区函数// 延时程序void delay(unsigned char ms){ while(ms--){ unsigned char i;for(i = 0; i 250; i++){_nop_(); //执行一条_nop_()指令为一个机器周期_nop_();_nop_();_nop_();}}}//测试LCD忙碌状态bit lcd_busy(){bit result;rs = 0;rw = 1;ep = 1;_nop_();_nop_();_nop_();_nop_();result =(bit)(P0&0x80); //LCD的D0--D7中,D7=1为忙碌,D7=0为空闲ep = 0;return result;}//写入指令到LCDvoid lcd_wcmd(char cmd){while(lcd_busy()); //当lcd_busy为1时,再次检测LCD忙碌状态,lcd-busy为0时,开始写指令rs = 0;rw = 0;ep = 0;_nop_();_nop_();P0 = cmd;_nop_();_nop_();_nop_();_nop_();ep = 1;_nop_();_nop_();_nop_();_nop_();ep = 0;}//写入数据到LCDvoid lcd_wdat(char dat){while(lcd_busy()); //当lcd_busy为1时,再次检测LCD忙碌状态,lcd-busy为0时,开始写数据rs = 1;rw = 0;ep = 0;P0 = dat;_nop_();_nop_();_nop_();_nop_();ep = 1;_nop_();_nop_();_nop_();_nop_();ep = 0;}//LCD数据指针位置程序void lcd_pos(char pos){lcd_wcmd(pos|0x80); //数据指针=80+地址码(00H~27H,40H~67H)}//设定二个自定义字符,(注意：LCD1602中自定义字符的地址为0x00--0x07,即可定义8个字符)//这里我们设定把一个自定义字符放在0x00位置（000）,另一个放在0x01位子（001）void lcd_sef_chr(){ //第一个自定义字符lcd_wcmd(0x40); //"01 000 000" 第1行地址 (D7D6为地址设定命令D5D4D3为字符存放位置(0--7)，D2D1D0为字符行地址(0--7)）lcd_wdat(0x1f); //"XXX 11111" 第1行数据（D7D6D5为XXX，表示为任意数(一般用000），D4D3D2D1D0为字符行数据(1-点亮，0-熄灭） lcd_wcmd(0x41); //"01 000 001" 第2行地址lcd_wdat(0x11); //"XXX 10001" 第2行数据lcd_wcmd(0x42); //"01 000 010" 第3行地址lcd_wdat(0x15); //"XXX 10101" 第3行数据lcd_wcmd(0x43); //"01 000 011" 第4行地址lcd_wdat(0x11); //"XXX 10001" 第4行数据lcd_wcmd(0x44); //"01 000 100" 第5行地址lcd_wdat(0x1f); //"XXX 11111" 第5行数据lcd_wcmd(0x45); //"01 000 101" 第6行地址lcd_wdat(0x0a); //"XXX 01010" 第6行数据lcd_wcmd(0x46); //"01 000 110" 第7行地址lcd_wdat(0x1f); //"XXX 11111" 第7行数据lcd_wcmd(0x47); //"01 000 111" 第8行地址lcd_wdat(0x00); //"XXX 00000" 第8行数据//第二个自定义字符lcd_wcmd(0x48); //"01 001 000" 第1行地址lcd_wdat(0x01); //"XXX 00001" 第1行数据lcd_wcmd(0x49); //"01 001 001" 第2行地址lcd_wdat(0x1b); //"XXX 11011" 第2行数据lcd_wcmd(0x4a); //"01 001 010" 第3行地址lcd_wdat(0x1d); //"XXX 11101" 第3行数据lcd_wcmd(0x4b); //"01 001 011" 第4行地址lcd_wdat(0x19); //"XXX 11001" 第4行数据lcd_wcmd(0x4c); //"01 001 100" 第5行地址lcd_wdat(0x1d); //"XXX 11101" 第5行数据lcd_wcmd(0x4d); //"01 001 101" 第6行地址lcd_wdat(0x1b); //"XXX 11011" 第6行数据lcd_wcmd(0x4e); //"01 001 110" 第7行地址lcd_wdat(0x01); //"XXX 00001" 第7行数据lcd_wcmd(0x4f); //"01 001 111" 第8行地址lcd_wdat(0x00); //"XXX 00000" 第8行数据}//LCD初始化设定void lcd_init(){lcd_wcmd(0x38); //设置LCD为16X2显示,5X7点阵,八位数据借口delay(1);lcd_wcmd(0x0c); //LCD开显示及光标设置(光标不闪烁,不显示"-")delay(1);lcd_wcmd(0x06); //LCD显示光标移动设置(光标地址指针加1,整屏显示不移动)delay(1);lcd_wcmd(0x01); //清除LCD的显示内容delay(1);}//闰年的计算bit leap_year(){bit leap;if((year%4==0&&year%100!=0)||year%400==0)//闰年的条件leap=1;elseleap=0;return leap;}//星期的自动运算和处理unsigned char week_proc(){ unsigned char num_leap;unsigned char c;num_leap=year/4-year/100+year/400;//自00年起到year所经历的闰年数if( leap_year()&& month=2 ) //既是闰年且是1月和2月c=5;elsec=6;week=(year+para_month[month]+date+num_leap+c)%7;//计算对应的星期return week;}//更新显示缓冲区void update_disbuf(unsigned char t1,unsigned char t2[],unsigned char dis_h,unsigned char dis_m,unsigned char dis_s){ dis_buf1[0]=t1; //dis_buf1[1]=0x20; //空格dis_buf1[2]=50; //'2'dis_buf1[3]=48; //'0'dis_buf1[4]=year/10+48;dis_buf1[5]=year%10+48;dis_buf1[6]=0x2d;dis_buf1[7]=month/10+48;dis_buf1[8]=month%10+48;dis_buf1[9]=0x2d; //'-'dis_buf1[10]=date/10+48;dis_buf1[11]=date%10+48;dis_buf1[12]=0x20;dis_buf1[13]=dis_week[4*week];dis_buf1[14]=dis_week[4*week+1];dis_buf1[15]=dis_week[4*week+2];dis_buf2[0]=t2[0];dis_buf2[1]=t2[1];dis_buf2[2]=t2[2];dis_buf2[3]=t2[3];dis_buf2[4]=t2[4];dis_buf2[5]=t2[5];dis_buf2[6]=0x20; //空格if (alarm)dis_buf2[7]=0x01; //alarm=1，显示闹钟启用标致（第二个自定义字符）elsedis_buf2[7]=0x20; //alarm=0，不显示闹钟启用标致dis_buf2[8]=dis_h/10+48;dis_buf2[9]=dis_h%10+48;dis_buf2[10]=0x3a; //':'dis_buf2[11]=dis_m/10+48;dis_buf2[12]=dis_m%10+48;dis_buf2[13]=0x3a;dis_buf2[14]=dis_s/10+48;dis_buf2[15]=dis_s%10+48;}//时间和日期处理程序void pro_timedate(){sec++;if(sec > 59){sec = 0;min++;if(min>59){min=0;hour++;if(hour>23){hour=0;date++;if(month==1||month==3||month==5||month==7||month==8||month==10||month== 12)if (date>31){date=1;month++;} //大月31天if(month==4||month==6||month==9||month==11)if (date>30){date=1;month++;} //小月30天if (month==2){if( leap_year())//闰年的条件{if (date>29){date=1;month++;}} //闰年2月为29天else{if (date>28){date=1;month++;}} //平年2月为28天}if (month>12) {month=1;year++;}if (year>99) year=0;}}}week_proc();if (sec==armsec && min==armmin &&hour==armhour){if (alarm)TR1=1; //闹钟启用时，报警时间到,启动Timer1}}//显示处理程序void pro_display(){ unsigned char i;lcd_pos(0x00);for (i=0;i=15;i++){lcd_wdat(dis_buf1[i]);}lcd_pos(0x40);for (i=0;i=15;i++){lcd_wdat(dis_buf2[i]);}}//Timer0中断处理程序,秒的产生void timer0() interrupt 1{TH0=0xdc; //Timer0置10ms定时初值dc00H(2^16=65536D,dc00H=56320D)TL0=0x00; //定时时间=(65536-56320)*(1/11.0592)*12=10ms (f0=11.0592Mhz)sec100++;if(sec100 >= 100) //1秒时间 (100*10ms=1000ms=1s){sec100 = 0;pro_timedate();//调用时间和日期处理程序}if(sec&0x01) / /"willar"闪一秒，停一秒update_disbuf(0x00," ",hour,min,sec); //0x0 0表示显示00位置的自定义字符elseupdate_disbuf(0x00,"willar",hour,min,sec);pro_display(); //调用显示处理函数}//按键扫描程序unsigned char scan_key(){skey=0x00; //给变量vkey置初值skey|=PRE; //读取PRE键的状态skey=skey<<1; //将PRE键的状态存于skey的B1位skey|=SET; //读取SET键的状态,并存于skey的B0位return skey; //返回skey的键值(即PRE,SET的状态)//外部中断INT0中断处理程序void int0() interrupt 0{TR0=0;//禁止Timer0IE=0;//禁止中断lcd_wcmd(0x0e); //显示光标"_",整个光标不闪烁alarm=1;update_disbuf(0x50,"alarm:",armhour,armmin,armsec); //更新显示数据，0x50表示要显示"P"pro_display(); //调用显示处理程序lcd_pos(0x47); //使光标位于第一个调整项下flag=0;vkey=0x03;while(flag^0x0a){skey = scan_key(); //扫描按键状态if (skey^vkey) //若skey与vkey相同,跳出循环,相异执行循环体{ delay(10); //去按键抖动skey = scan_key(); //转回扫描按键状态if (skey^vkey) //若skey与vkey相同,跳出循环,相异执行循环体{ vkey=skey; //将skey的值付给vkeyif (skey==0x01) //PRE 键按下{ flag++; / /调整标志位加1switch (flag) //将光标置于相应调整位置{cas e 1: lcd_pos(0x49);break; //光标置小时报警设置位置cas e 2: lcd_pos(0x4c);break; //光标置分钟报警设置位置cas e 3: lcd_pos(0x4f);break; //光标置秒时报警设置位置cas e 4: update_disbuf(0x50,"time: ",hour,min,sec);pro_display();lcd_pos(0x05);break; //光标置年调整位置cas e 5: lcd_pos(0x08);break; //光标置月调整位置cas e 6: lcd_pos(0x0b);break; //光标置日调整位置cas e 7: lcd_pos(0x49);break; //光标置时调整位置cas e 8: lcd_pos(0x4c);break; //光标置分调整位置cas e 9: lcd_pos(0x4f);break; //光标置秒调整位置def ault:break;}}if(skey==0x02) //SET键按下{ pro_key();//转设置按键处理程序}}}}lcd_wcmd(0x0c); //设置LCD开显示及光标不闪烁,不显示"-"lcd_wcmd(0x01); //清除LCD的显示内容IE=0x8f; / /CPU开中断,INT0,INT1,开中断TR0=1;//Timer0启动}//主程序,初始化及初值设定void main(){lcd_init(); //初始化LCDlcd_sef_chr(); //写入自定义字符号hour=0;min=0;sec=0; //开机时的时,分,秒显示armhour=0;armmin=0;armsec=0; //开机时的时,分,秒报警初值year= 5; month=1;date=1; //开机时的年,月,日,星期显示week_proc();alarm=1; //初始开机，启用闹钟IE = 0x8f; //CPU开中断,INT0,INT1,Timer0,Timer1开中断IP = 0x04; //设置INT0为中断最高优先级IT0=0;IT1=0; //外部INT0,INT1设置为电平触发方式（注意，触发不要选边沿方式，易误动） TMOD = 0x11; //Timer0,Timer1工作于模式1, 16位定时方式TH0 = 0xdc;TL0 = 0x00; //Timer0置10ms定时初值TH1 = 0xff;TL1 = 0x00; //Timer1置初值TR0 = 1; //Timer0启动TR1 = 0;while(1);}//设置按键处理程序void pro_key(){switch (flag){case 0:alarm=!alarm; //启用或关闭闹钟（alarm=1:启用,alarm=0:关闭)update_disbuf(0x50,"alarm:",armhour,armmin,ar msec); //更新显示数据pro_display();//调用显示处理lcd_pos(0x47);break;//光标回到原调整位置case 1:armhour++;if (armhour>23) armhour=0;update_disbuf(0x50,"alarm:",armhour,armmin,ar msec); //更新显示数据pro_display();//调用显示处理lcd_pos(0x49);break;//光标回到原调整位置case 2:armmin++;if (armmin>59) armmin=0;update_disbuf(0x50,"alarm:",armhour,armmin,ar msec);pro_display();lcd_pos(0x4c);break;case 3:armsec++;if (armsec>59) armsec=0;update_disbuf(0x50,"alarm:",armhour,armmin,ar msec);pro_display();lcd_pos(0x4f);break;case 4:year++;if (year> 99) year= 0;week_proc();//星期自动运算update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x05);break;case 5:month++;if (month>12) month=1;week_proc();//星期自动运算update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x08);break;case 6:date++;if(month==1||month==3||month==5||month==7||month==8||month==10||month== 12)if (date>31) date=1; //大月31天if(month==4||month==6||month==9||month==11)if (date>30) date=1; //小月30天if (month==2){if(leap_year())//闰年的条件{if (date>29) date=1;} //闰年2月为29天else{if (date>28) date=1;}} //平年2月为28天week_proc();//星期自动运算update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x0b);break;case 7:hour++;if (hour>23) hour=0;update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x49);break;case 8:min++;if (min>59) min=0;update_disbuf(0x50,"time:",hour,min,sec);pro_display();lcd_pos(0x4c);break;case 9:sec++;if (sec>59) sec=0;update_disbuf(0x50,"time: ",hour,min,sec);pro_display();lcd_pos(0x4f);break;default:break ;}}//Timer1中断处理程序,产生报警的声音void timer1() interrupt 3{TH1=0xff;TL1=0x00;SPK=~SPK;}//外部中断INT1中断处理程序,停止报警声音void int1() interrupt 2{if(TR1)TR1=0;}//DS1302时钟程序#include <stc89c52.h>#include <intrins.h>#define uchar unsigned char#define uint unsigned int/******************************************************************** ///少占鱼制作河北正定欢迎您长沙航空职业技术学院//2010 年QQ:411656434//版权所有:#define LCD1602_RS P2_5 //定义引脚#define LCD1602_RW P2_6#define LCD1602_E P2_7#define LCD1602_IO P0#define Busy 0x80 //用于检测LCD1602状态字中的Busy标识const uchar num[]=" 3456789+";uchar code a[] = {" E N v"};void WriteData(uchar DAT);void WriteCommand(uchar command,BuysC);uchar ReadData(void);void Readbusy(void);void LCD1602_Init(void);void DisplayOneChar(uchar X, uchar Y, uchar DData);void Displaystring(uchar X, uchar Y, uchar *DData);void Delay5Ms(void);void Delay400Ms(void);void delayms(uint);void delays(uint m) ;void delayus(uchar x) ;sbit DS1302_CLK =P2^0;// P1^0;sbit DS1302_IO =P2^1;// P1^1;sbit DS1302_RST =P2^2;// P1^2;uchar shuju;unsigned char time[]={0x11,0x03,0x28,0x01,0x12,0x39,0x00};// 初始化时间年月日星期时分秒uchar Display_Buffer[12]={"12:25:00"};//时、分、秒的格式uchar riqi[12]={"11-03-28"};//年、月、日的格式uchar xingqi[5]="week";//星期unsigned char second,minute,hour,week,day,month,year;/******************1602函数********************************//******************************************************************** /void delays(uint m){uint i,j;for(i=0;i<m;i++){for(j=0;j<1000;j++){;}}}void Delay(void){unsigned char i;unsigned int j;for(i=0;i<200;i++)for(j=300;j>0;j--);/******************************************************************** *********函数功能:向DS1302送一字节数据子程序入口参数:出口参数:********************************************************************* ********/void InputByte(unsigned char BYTE){char i;for(i=8;i>0;i--){ //前面在read_ds1302()函数里已经把CLK清0了DS1302_CLK=0;//这里再清0一次，看着清楚。
LCD显示DS1302时钟程序
#include <AT89X51.H>#include<absacc.h>#define WRITE_SECOND 0x80#define WRITE_MINUTE 0x82#define WRITE_HOUR 0x84#define READ_SECOND 0x81#define READ_MINUTE 0x83#define READ_HOUR 0x85#define WRITE_PROTECT 0x8E//位寻址寄存器定义sbit p17=P1^7;//管脚定义sbit SCLK = P3^3; // DS1302时钟信号7脚sbit DIO= P3^4; // DS1302数据信号6脚sbit CE = P3^5; // DS1302片选5脚/////////**********定义引脚************************//////#define lcd_db P0sbit lcd_rs=P2^4;sbit lcd_rw=P2^5;sbit lcd_e=P2^6;unsigned char table[]=" ";unsigned char tabl[]="0123456789";//////////********定义函数*********************/////////#define uchar unsigned char#define uint unsigned intvoid lcd_chushi(void);///////初始化函数void lcd_command(uchar command); /////写指令函数void lcd_data(uchar dat); ////写数据函数void lcd_disp_char(uchar x,uchar y);///显示函数void delay(uint n); ////延时函数////////////********初始化函数**************////////void lcd_chushi(void){lcd_command(0x38);lcd_command(0x38);lcd_command(0x06);lcd_command(0x0c);lcd_command(0x01);delay(100);}////////**************写指令函数***************/////////////// void lcd_command(uchar dat){lcd_db=dat;lcd_rs=0;lcd_rw=0;lcd_e=1;lcd_e=0;delay(10);}///////////////*******数据写入*********************///////////void lcd_data(uchar dat){lcd_db=dat;lcd_rs=1;lcd_rw=0;lcd_e=1;delay(100);lcd_e=0;delay(100);}/////////*******显示函数********************////////////////////void lcd_disp_char(uchar x,uchar y){uchar address;if(y==1)address=0x80+x;elseaddress=0xc0+x;lcd_command(address);}/////////////****************延时*********************////////////// void delay(uint n){uint i;uchar j;for(i=n;i>0;i--)for(j=0;j<10;j++);}void xianshi(uint i,k,l)//////显示{uchar j;table[9]=tabl[l%16];///////显示第几位table[8]=tabl[l/16%10];///////显示第几位table[5]=tabl[k%16];///////显示第几位table[4]=tabl[k/16%10];///////显示第几位table[1]=tabl[i%16];///////显示第几位table[0]=tabl[i/16%10];///////显示第几位for(j=0;j<10;j++){lcd_data(table[j]);}}void Write1302 ( unsigned char addr,dat ){unsigned char i,temp;CE=0; //CE引脚为低，数据传送中止SCLK=0; //清零时钟总线CE = 1; //CE引脚为高，逻辑控制有效//发送地址for ( i=8; i>0; i-- ) //循环8次移位{SCLK = 0;temp = addr;DIO = (bit)(temp&0x01); //每次传输低字节addr >>= 1; //右移一位SCLK = 1;}//发送数据for ( i=8; i>0; i-- ){SCLK = 0;temp = dat;DIO = (bit)(temp&0x01);dat >>= 1;SCLK = 1;}CE = 0;}unsigned char Read1302 ( unsigned char addr ){unsigned char i,temp,dat1;CE=0;SCLK=0;CE = 1;//发送地址for ( i=8; i>0; i-- ) //循环8次移位{SCLK = 0;temp = addr;DIO = (bit)(temp&0x01); //每次传输低字节addr >>= 1; //右移一位SCLK = 1;}//读取数据for ( i=8; i>0; i-- ){p17=DIO;SCLK=1;P1>>=1;SCLK=0;}CE=0;dat1=P1;return dat1;}void Initial(void){Write1302 (WRITE_PROTECT,0x00); //禁止写保护Write1302 (WRITE_SECOND,0x56); //秒位初始化Write1302 (WRITE_MINUTE,0x12); //分钟初始化Write1302 (WRITE_HOUR,0x09); //小时初始化Write1302 (WRITE_PROTECT,0x80); //允许写保护}void main(){uint shi,fen,miao;lcd_chushi();////////////初始化Initial();while(1){miao=Read1302 (READ_SECOND);fen=Read1302 (READ_MINUTE);shi=Read1302 (READ_HOUR);lcd_disp_char(0,1);////显示位置xianshi(shi,fen,miao); ///显示内容lcd_disp_char(0,0);///显示位置xianshi(shi,fen,miao); //显示内容}}。
DS1302时钟+1602显示+独立键盘控制
temp>>=1; //右移一位
}
SCLK=1;
CE=0;
SDA=0;
return temp; //返回
}
void DS1302_Write(uchar address,uchar dat)
{
uchar i;
CE=0;
}
}
if(date==3) //星期三
{
for(num=8;num<11;num++)
{
LCD_writedat(table3[num]);
delay1ms(2);
}
}
if(date==4) //星期四
uchar year=1,month=1,day=1,hour=1,min=1,sec=1;
uchar K1num=0;
//声明延时函数毫秒级
void delay1ms(uint ms);
/*******************************************************************************************
DS1302_Write(0x8c,year); //年
DS1302_Write(0x8e,0x80); //写保护开
}
void DS1302_initR()
{
sec=DS1302_Read(0x81); //读秒数据
min=DS1302_Read(0x83); //读分钟数据
/***********************************/
/* 延时程序 */
DS1302时钟芯片与液晶1602程序
#include<reg52.h>#define wri_sec 0x80#define wri_min 0x82#define wri_hour 0x84#define wri_day 0x86#define wri_mon 0x88#define wri_week 0x8a#define wri_year 0x8c#define re_sec 0x81#define re_min 0x83#define re_hour 0x85#define re_day 0x87#define re_mon 0x89#define re_week 0x8b#define re_year 0x8d#define wri_pro 0x8e#define uchar unsigned char#define uint unsigned intsbit SCLK=P3^5;sbit DIO=P3^6;sbit CE=P3^7;sbit lcden=P1^0;sbit lcdrs=P1^2;sbit lcdrw=P1^1;uchar weeks[7][3]={"Mon","Tue","Wed","Thu","Fri","Sat","Sun"}; static uchar datatime[7]={0};void delay(uint z){uint x,y;for(x=z;x>0;x--)for(y=110;y>0;y--);}void write1302(uchar addr,dat){uchar i,temp;CE=0;SCLK=0;CE=1;for(i=0;i<8;i++){SCLK=0;temp=addr;DIO=(bit)(temp&0x01);addr>>=1;SCLK=1;}for(i=0;i<8;i++){SCLK=0;temp=dat;DIO=(bit)(temp&0x01);dat>>=1;SCLK=1;}CE=0;}uchar read1302(uchar addr){uchar i,temp, dat1,dat2;dat1=0;CE=0;SCLK=0;CE=1;for(i=8;i>0;i--){SCLK=0;temp=addr;DIO=(bit)(temp&0x01);addr>>=1;SCLK=1;}SCLK=0;for(i=8;i>0;i--){DIO=1;dat1>>=1;if(DIO) dat1|=0x80;SCLK=1;delay(5);SCLK=0;}dat2=dat1/16;dat1=dat1%16;dat1=dat2*10+dat1;return(dat1);}void init1302() //初始化{write1302(wri_pro,0x00); //允许写write1302(wri_sec,0x12);// write1302(wri_min,0x23);// write1302(wri_hour,0x16);// write1302(wri_day,0x17);// write1302(wri_mon,0x11);// write1302(wri_year,0x10);// write1302(wri_week,0x03);write1302(wri_pro,0x80); //禁止写}void write_com(uchar com) //lcd写命令{lcdrw=0;lcdrs=0;P0=com;delay(5);lcden=1;delay(5);lcden=0;}void write_data(uchar date) //lcd{lcdrw=0;lcdrs=1;P0=date;delay(5);lcden=1;delay(5);lcden=0;}void init_lcd() //lcd初始化{uint dat1,dat2;uint i;lcden=0;write_com(0x38);write_com(0x0f);write_com(0x06);write_com(0x01);write_com(0x81);write_data('2');delay(20);write_data('0');delay(20);write1302(wri_pro,0x00);datatime[6]=read1302(re_year);dat2=datatime[6]/10;dat1=datatime[6]%10;write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);write_data(45);delay(20);datatime[5]=read1302(re_mon);dat2=datatime[5]/10;dat1=datatime[5]%10;write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);write_data(45);delay(20);datatime[4]=read1302(re_day);dat2=datatime[4]/10;dat1=datatime[4]%10;write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);write_data(32);delay(20);datatime[3]=read1302(re_week);for (i=0;i<3;i++){write_data(weeks[datatime[3]-1][i]);delay(20);}write_com(0x80+0x43);datatime[2]=read1302(re_hour);dat2=datatime[2]/10;dat1=datatime[2]%10;write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);write_data(58);delay(20);datatime[1]=read1302(re_min);dat2=datatime[1]/10;dat1=datatime[1]%10;write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);write_data(39);delay(20);datatime[0]=read1302(re_sec);dat2=datatime[0]/10;dat1=datatime[0]%10;write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);write_data(34);delay(20);write1302(wri_pro,0x80);}void refresh() //更新时间{uchar sec,min,hou,day,mon,yea,wee,dat1,dat2;uint i;write1302(wri_pro,0x00);sec=read1302(re_sec);if(sec!=datatime[0]){datatime[0]=sec;dat2=datatime[0]/10;dat1=datatime[0]%10;write_com(0x80+0x49);delay(50);write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);if(!sec){min=read1302(re_min);datatime[1]=min;dat2=datatime[1]/10;dat1=datatime[1]%10;write_com(0x80+0x46);delay(5);write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);if(!min){hou=read1302(re_hour);datatime[2]=hou;dat2=datatime[2]/10;dat1=datatime[2]%10;write_com(0x80+0x43);delay(5);write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);if(!hou){wee=read1302(re_week);datatime[3]=wee;write_com(0x80+0x0c);delay(5);for (i=0;i<3;i++){write_data(weeks[datatime[3]-1][i]);delay(20);}day=read1302(re_day);datatime[4]=day;dat2=datatime[4]/10;dat1=datatime[4]%10;write_com(0x80+0x09);delay(5);write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);if(day==1){mon=read1302(re_mon);datatime[5]=mon;dat2=datatime[5]/10;dat1=datatime[5]%10;write_com(0x80+0x06);delay(5);write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);if(mon==1){yea=read1302(re_year);datatime[6]=yea;dat2=datatime[6]/10;dat1=datatime[6]%10;write_com(0x80+0x03);delay(5);write_data(48+dat2);delay(20);write_data(48+dat1);delay(20);}}}}}}write1302(wri_pro,0x80);}void readkey() //查键{uchar key,n,dat1,dat2;uint i;key=P2;delay(10);if(key==0xfe){key=P2;delay(20);n=1;while(1){if(n==1){n=0;write_com(0x83); //修改年write1302(wri_pro,0x00);dat1=read1302(re_year);dat2=dat1/10;dat1=dat1%10;key=P2;delay(10);while(key!=0xf7){delay(200);switch(key){case 0xfd:if(dat2==9) dat2=0;else dat2++;write_data(48+dat2);delay(20);write_com(0x83);break;case 0xfb: if(dat2==0) dat2=9;else dat2--;write_data(48+dat2);delay(20);write_com(0x83);break;default: break;}key=P2;delay(10);}delay(200);write_com(0x84);key=P2;delay(20);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat1==9) dat1=0;else dat1++;write_data(48+dat1);delay(20);write_com(0x84);break;case 0xfb: if(dat1==0) dat1=9;else dat1--;write_data(48+dat1);delay(20);write_com(0x84);break;default: break;}key=P2;delay(10);}dat1=(dat2<<4)|dat1;write1302(wri_year,dat1);delay(200);write_com(0x86); //修改月dat1=read1302(re_mon);dat2=dat1/10;dat1=dat1%10;key=P2;delay(10);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat2==1) dat2=0;else dat2++;write_data(48+dat2);delay(20);write_com(0x86);break;case 0xfb: if(dat2==0) dat2=1;else dat2--;write_data(48+dat2);delay(20);write_com(0x86);break;default: break;}key=P2;delay(10);}write_com(0x87);delay(200);key=P2;delay(10);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat1==9) dat1=0;else dat1++;write_data(48+dat1);delay(20);write_com(0x87);break;case 0xfb: if(dat1==0) dat1=9;else dat1--;write_data(48+dat1);delay(20);write_com(0x87);break;default: break;}key=P2;delay(10);}dat1=(dat2<<4)|dat1;write1302(wri_mon,dat1);delay(200);write_com(0x89); //修改日dat1=read1302(re_day);dat2=dat1/10;dat1=dat1%10;key=P2;delay(10);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat2==3) dat2=0;else dat2++;write_data(48+dat2);delay(20);write_com(0x89);break;case 0xfb: if(dat2==0) dat2=3;else dat2--;write_data(48+dat2);delay(20);write_com(0x89);break;default: break;}key=P2;delay(10);}write_com(0x8a);delay(200);key=P2;delay(10);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat1==9) dat1=0;else dat1++;write_data(48+dat1);delay(20);write_com(0x8a);break;case 0xfb: if(dat1==0) dat1=9;else dat1--;write_data(48+dat1);delay(20);write_com(0x8a);break;default: break;}key=P2;delay(10);}dat1=(dat2<<4)|dat1;write1302(wri_day,dat1);delay(200);write_com(0x8c); //修改星期dat1=read1302(re_week);key=P2;delay(20);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat1==7) dat1=1;else dat1++;for(i=0;i<3;i++){write_data(weeks[dat1-1][i]);delay(20);}write_com(0x8c);break;case 0xfb: if(dat1==1) dat1=7;else dat1--;for(i=0;i<3;i++){write_data(weeks[dat1-1][i]);delay(20);}write_com(0x8c);break;}key=P2;delay(10);}write1302(wri_week,dat1);delay(200);write_com(0x80+0x43); //修改时dat1=read1302(re_hour);dat2=dat1/10;dat1=dat1%10;key=P2;delay(10);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat2==2) dat2=0;else dat2++;write_data(48+dat2);delay(20);write_com(0x80+0x43);break;case 0xfb: if(dat2==0) dat2=2;else dat2--;write_data(48+dat2);delay(20);write_com(0x80+0x43);break;default: break;}key=P2;delay(10);}write_com(0x80+0x44);delay(200);key=P2;delay(20);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat1==9) dat1=0;else dat1++;write_data(48+dat1);delay(20);write_com(0x80+0x44);break;case 0xfb: if(dat1==0) dat1=9;else dat1--;write_data(48+dat1);delay(20);write_com(0x80+0x44);break;default: break;}key=P2;delay(10);}dat1=(dat2<<4)|dat1;write1302(wri_hour,dat1);delay(250);write_com(0x80+0x46); //修改分dat1=read1302(re_min);dat2=dat1/10;dat1=dat1%10;key=P2;delay(10);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat2==5) dat2=0;else dat2++;write_data(48+dat2);delay(20);write_com(0x80+0x46);break;case 0xfb: if(dat2==0) dat2=5;else dat2--;write_data(48+dat2);delay(20);write_com(0x80+0x46);break;default: break;}key=P2;delay(10);}write_com(0x80+0x47);delay(200);key=P2;delay(20);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat1==9) dat1=0;else dat1++;write_data(48+dat1);delay(20);write_com(0x80+0x47);break;case 0xfb: if(dat1==0) dat1=9;else dat1--;write_data(48+dat1);delay(20);write_com(0x80+0x47);break;default: break;}key=P2;delay(10);}dat1=(dat2<<4)|dat1;write1302(wri_min,dat1);delay(250);write_com(0x80+0x49); //修改秒dat1=read1302(re_sec);dat2=dat1/10;dat1=dat1%10;key=P2;delay(10);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat2==5) dat2=0;else dat2++;write_data(48+dat2);delay(20);write_com(0x80+0x49);break;case 0xfb: if(dat2==0) dat2=5;else dat2--;write_data(48+dat2);delay(20);write_com(0x80+0x49);break;default: break;}key=P2;delay(10);}write_com(0x80+0x4a);delay(200);key=P2;delay(20);while(key!=0xf7){delay(200);switch(key){case 0xfd: if(dat1==9) dat1=0;else dat1++;write_data(48+dat1);delay(20);write_com(0x80+0x4a);break;case 0xfb: if(dat1==0) dat1=9;else dat1--;write_data(48+dat1);delay(20);write_com(0x80+0x4a);break;default: break;}key=P2;delay(10);}dat1=(dat2<<4)|dat1;write1302(wri_sec,dat1);write_com(0x80+0x4d);write1302(wri_pro,0x80);}break;}}}void main(){init1302();init_lcd();while(1){refresh();readkey();write_com(0x80+0x50);}}。
电子时钟程序DS1302时钟芯片lcd1602
date=Read1302();
SCLK=1;
REST=0;
return date;
}
void IntDS1302(void) //DS1302初始化
{
unsigned char flag;
flag= ReadSet1302(0x81);
/*液晶忙检测*/
bit BusyTest(void)
{
bit result;
RS=0;
RW=1;
E=1;
_nop_();
_nop_();
_nop_();
result=BF;
_nop_();
_nop_();
_nop_();
E=0;
return result;
delay1ms(1);
Write_com(0x0c);
delay1ms(1);
Write_com(0x01);
}
void displaymainpart(void)//显示液晶主要部分（不变化部分）
{
Write_Address(0x01);
delay1ms(1);
{
unsigned char i,j;
i=day/10;
j=day%10;
Write_Address(0x0E);
Write_Date(dit[j]);
delay1ms(1);
}
void display_Month(unsigned char month) //在液晶上显示月
_nop_();
E=1;
_nop_();
时钟DS1302在液晶1602显示程序
#include <reg52.h>#define uchar unsigned char#define uint unsigned intuchar code table[]="ziye334"; uchar code table1[]="0123456789"; uchar code table2[]="DAY-";sbit rs=P2^5;sbit rw=P2^6;sbit en=P2^7;sbit rst=P1^7;sbit io=P3^5;sbit clk=P1^6;sbit ACC0=ACC^0;sbit ACC7=ACC^7;sbit key1=P1^0;sbit key2=P1^1;sbit key3=P1^2;sbit key4=P1^3;sbit key5=P1^4;uchar num;uchar t_sec,sec1,sec2;uchar t_min,min1,min2;uchar t_hr,hr1,hr2;uchar t_mon,mon1,mon2; uchar t_date,date1,date2; uchar t_year,year1,year2; uchar t_day,day1,flag;void input_1byte(uchar TD) {uchar i;ACC=TD;for(i=8;i>0;i--){io=ACC0;clk=1;clk=0;ACC=ACC>>1;}}uchar output_1byte(void) {uchar i;for(i=8;i>0;i--){ACC=ACC>>1;ACC7=io;clk=1;clk=0;}return(ACC);}void write_ds1302(uchar add,uchar dat) {rst=0;clk=0;rst=1;input_1byte(add);input_1byte(dat);clk=1;rst=0;}uchar read_ds1302(uchar add){uchar inf;rst=0;clk=0;input_1byte(add);inf=output_1byte();clk=1;rst=0;return(inf);}void delay(uchar z) //延时{uint x,y;for(x=110;x>0;x--)for(y=z;z>0;z--);}void write_com(uchar com) //写指令{rs=0;rw=0;en=0;P0=com;delay(5);en=1;delay(5);}void write_date(uchar date) //写数据{rs=1;rw=0;en=0;P0=date;delay(5);en=1;delay(5);en=0;}void init_lcd(){en=0;write_com(0x38); //显示write_com(0x0c); //光标不显示write_com(0x06); //指针加1，整屏不移动write_com(0x01); //清屏write_com(0x80);}void init_1302(){write_ds1302(0x8e,0x00);//关闭写保护write_ds1302(0x90,0xaa); //定义充电write_ds1302(0x80,0x30); //秒write_ds1302(0x82,0x59);//分write_ds1302(0x84,0x23);//时write_ds1302(0x86,0x31);//日write_ds1302(0x88,0x12);//月write_ds1302(0x8a,0x04);//星期write_ds1302(0x8c,0x11);//年write_ds1302(0x8e,0x80);//打开写保护}void display(){t_sec=read_ds1302(0x81);sec1=t_sec&0x0f;sec2=(t_sec>>4);t_min=read_ds1302(0x83);min1=t_min&0x0f;min2=(t_min>>4);t_hr=read_ds1302(0x85); hr1=t_hr&0x0f;hr2=(t_hr>>4);t_date=read_ds1302(0x87); date1=t_date&0x0f;date2=(t_date>>4);t_mon=read_ds1302(0x89); mon1=t_mon&0x0f;mon2=(t_mon>>4);t_day=read_ds1302(0x8b); day1=t_day&0x0f;t_year=read_ds1302(0x8d); year1=t_year&0x0f;year2=(t_year>>4);write_com(0x80+0x4e);write_date(table1[sec2]); write_com(0x80+0x4f); write_date(table1[sec1]); write_com(0x80+0x4d); write_date(':');write_com(0x80+0x4c); write_date(table1[min1]); write_com(0x80+0x4b); write_date(table1[min2]); write_com(0x80+0x4a); write_date(':');write_com(0x80+0x49); write_date(table1[hr1]); write_com(0x80+0x48); write_date(table1[hr2]);write_com(0x80+0x0f); write_date(table1[date1]); write_com(0x80+0x0e); write_date(table1[date2]);write_com(0x80+0x0d);write_date('/');write_com(0x80+0x0c);write_date(table1[mon1]);write_com(0x80+0x0b);write_date(table1[mon2]);write_com(0x80+0x0a);write_date('/');write_com(0x80+0x09);write_date(table1[year1]);write_com(0x80+0x08);write_date(table1[year2]);write_com(0x80+0x40+5);write_date(table1[day1]); }void main(){init_lcd();delay(5);init_1302();delay(5);for(num=0;num<7;num++) {write_date(table[num]);delay(10);}write_com(0x80+0x41);for(num=0;num<4;num++) {write_date(table2[num]);delay(10);}while(1){if(flag==0){display();}}}。
1602+18B20+DS1302电子时钟源程序
#include <AT89x51.h>#include <string.h>#include<intrins.h>#define LCM_RS P2_0 //定义引脚#define LCM_RW P2_1#define LCM_E P2_2#define LCM_Data P0#define Busy 0x80 //用于检测LCM状态字中的Busy标识 #define uchar unsigned charuchar id,timecount,dipsmodid;bit lmcinit_or_not; //是否需要清屏标志位“1”为需要“0”为不需要 bit flag,sflag; //flag是时钟冒号闪烁标志，sflag是温度负号显示标志 void Disp_line1(void); //显示屏幕第一行void Disp_line2(void); //显示屏幕第二行void id_case1_key();void Disp_mod0(void);//显示模式0void Disp_mod1(void);//显示模式//*********** DS1302 时间显示定义部分sbit T_CLK=P1^0;sbit T_IO =P1^1;sbit T_RST=P1^2;sbit ACC0=ACC^0;sbit ACC7=ACC^7;void Set(uchar,uchar); //根据选择调整相应项目void RTInputByte(uchar); /* 输入 1Byte */uchar RTOutputByte(void); /* 输出 1Byte */void W1302(uchar, uchar); // 向DS1302写入一个字节 uchar R1302(uchar); // 从DS1302读出一个字节 void Set1302(unsigned char * ); // 设置时间bit sec,min,hour,year,mon,day,weekk; //闪烁标志位//初始化后设置为：04年12月2日星期4 0点0分0秒unsigned char inittime[7]={0x00,0x00,0x00,0x02,0x12,0x04,0x04};// 秒分钟小时日月年星期//***** 18B20温度显示定义部sbit DQ=P3^3; //18B20 接P07口 typedef unsigned char byte; typedef unsigned int word; Read_Temperature(char,char); void mychar(void);。