TM1650+DS3231+四位数码管时钟源码

//#include <15f104.h> #include<reg51.h> #include<intrins.h> #include"ds3231.h" #include"tm1650.h" #define uchar unsigned char #define uint unsigned int sfr INT_CLKO = 0x8f; //外部中断与时钟输出控制寄存器 sfr IE2 = 0xaf; //中断使能寄存器2 sfr T2H = 0xD6; //定时器2高8位 sfr T2L = 0xD7; //定时器2低8位 uint beginYear=2014; uchar beginMonth=6; uchar beginDate=7; uint year,day; uchar i, setmode,flash,dspmode; uchar month,date,dayofweek; uchar hour,minute; //显示缓冲 uchar second; uchar secMode; uchar CODE[] = {0xFC,0x84,0xBA,0xAE,0xC6,0x6E,0x7E,0xA4,0xFE,0xEE,0x00};//0-9,全灭 bit sec;//1HZ秒点闪烁 //延时 void delaySt(){ uint j; uchar k; for(k=0;k<10;k++){ for(j=0;j<12000;j++){ _nop_(); } } } //从DS3231获取当前日期 void GetDateNow() { uchar dstmp,dstmp2,dstmp3; dstmp = ReadDS3231(RTC_YR_REG_ADDR); dstmp2 = ReadDS3231(RTC_MON_REG_ADDR); dstmp3 = ReadDS3231(RTC_DAY_REG_ADDR)-1; year = dstmp/16*10 + dstmp%16 + ((dstmp2 & 0x80) ? 2000 : 1900); month = dstmp2&0x7F; date = ReadDS3231(RTC_DATE_REG_ADDR); hour = ReadDS3231(RTC_HR_REG_ADDR); dayofweek = dstmp3?dstmp3:7; } //从DS3231获取当前时间 void GetTimeNow() { hour = ReadDS3231(RTC_HR_REG_ADDR); minute = ReadDS3231(RTC_MIN_REG_ADDR); } //判断是否闰年 bit RunYear(uint yearc){ return (yearc%400==0||(yearc%100!=0&&yearc%4==0))?1:0; } //返回当月天数 uchar DayInMonth(uint yearc,uchar monthc){ int day[12]={31,28,31,30, 31,30,31,31, 30,31,30,31}; if(monthc==2){ return RunYear(yearc)?29:28; }else{ return day[monthc-1]; } } //计算当年天数 uint DaysInYear(uint yearc,uchar monthc,uchar datec){ uint daytmp = 0; for(i=1;i<monthc;i++){ daytmp += DayInMonth(yearc,i); } return daytmp + datec; } //计算从开始日期到现在天数 void CalDay(){ uint daytmp; uint i; uint beginDays; uint lastDays; daytmp = 0; GetDateNow(); beginDays = DaysInYear(beginYear,beginMonth,beginDate); lastDays = DaysInYear(year,month/16*10+month%16,date/16*10+date%16); for(i = beginYear;i<year;i++){ daytmp += RunYear(year)?366:365; } day = daytmp + lastDays - beginDays + 1; } //显示年 void display_year(){ TM1650_Set(0x68, CODE[year/1000]); TM1650_Set(0x6A, CODE[year/100%10]); TM1650_Set(0x6C, CODE[year/10%10]); TM1650_Set(0x6E, CODE[year%10]); } //显示日期 void display_date() { uchar dsptmp ; if(secMode<5){//month-date if(month/16) { dsptmp = CODE[month/16]; TM1650_Set(0x68,dsptmp ); } else { dsptmp = 0x00; TM1650_Set(0x68,dsptmp); } TM1650_Set(0x6A, CODE[month%16]+1); TM1650_Set(0x6C, CODE[date/16]); TM1650_Set(0x6E, CODE[date%16]); }else{//year-dayofweek if(year>=10) { dsptmp = CODE[year/10%10]; TM1650_Set(0x68,dsptmp); } else { dsptmp = 0x00; TM1650_Set(0x68,dsptmp); } TM1650_Set(0x6A, CODE[year%10]); TM1650_Set(0x6C, 0x02); //0x02--the center short line TM1650_Set(0x6E, CODE[dayofweek]); } } //显示天数计数 void display_day() { CalDay(); if(day/1000)TM1650_Set(0x68, CODE[day/1000]);else TM1650_Set(0x68, 0x00); if(day>=100)TM1650_Set(0x6A, CODE[day/100%10]);else TM1650_Set(0x6A, 0x00); if(day>=10)TM1650_Set(0x6C, CODE[day/10%10]);else TM1650_Set(0x6C,0x00); TM1650_Set(0x6E, CODE[day%10]); } //根据当前时间调整亮度 void AutoLight(){ //auto set the light level of module if((hour>=0x19)||(hour<7)) TM1650_Set(0x48,0x21); else TM1650_Set(0x48,0x51); } //显示时间 void display_time() { if(hour/16)TM1650_Set(0x68, CODE[hour/16]);else TM1650_Set(0x68, 0x00); TM1650_Set(0x6A, CODE[hour%16]+(sec?1:0)); TM1650_Set(0x6C, CODE[minute/16]); TM1650_Set(0x6E, CODE[minute%16]); } //初始化单片机定时器 void Timer_init() //定时器，用于调整时间时数码管的闪烁 { TMOD=0X01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; TR0=0; ET0=1; INT_CLKO=0x10;//开启外部中断2，下降沿触发 IE2 |= 0x04; EA=1; } //从ds3231读取初始化信息 void DS3232_init() { uchar modetmp = ReadDS3231(MODE_REG_ADDR); if(modetmp==0) { //bcd8421 WriteDS3231(RTC_SEC_REG_ADDR,0x00); //second WriteDS3231(RTC_MIN_REG_ADDR,0x11); //minute WriteDS3231(RTC_HR_REG_ADDR,0x20); //hour WriteDS3231(RTC_YR_REG_ADDR,0x17);//year WriteDS3231(RTC_MON_REG_ADDR,0x82);//month ,&0x08==cent WriteDS3231(RTC_DAY_REG_ADDR,0x02);//day of week WriteDS3231(RTC_DATE_REG_ADDR,0x13);//date WriteDS3231(MODE_REG_ADDR,0x11);// 用闹钟寄存器判断是否掉电 //hex, default is 2014.6.7 WriteDS3231(BEGIN_YR_REG_ADDR,0x0E);//beginyear WriteDS3231(BEGIN_MON_REG_ADDR,0x86);//beginmonth WriteDS3231(BEGIN_DATE_REG_ADDR,0x07);//begindate } else{ dspmode = modetmp >>4 -1; setmode = modetmp % 16 -1; } } void main() { uchar temp; uchar dstmp; uchar numtmp; uchar dayInMontmp; uchar yearAdj;//int month-date,year-day mode ,the adjust bit of year uchar key; Timer_init(); TM1650_Set(0x48,0x51);//初始化为6级灰度，开显示 DS3232_init(); // DS3231掉电时初始化一下 WriteDS3231(RTC_CTL_REG_ADDR,0x00); //设置INT位为1HZ方波输出 while(1) { delaySt(); AutoLight(); switch(dspmode){ case 0: //hour--minute mode************************** GetTimeNow(); key = Scan_Key(); if(key==0x47) //key set { setmode++; setmode %= 4; while(Scan_Key()==0x47);//if key be released, its 6th bit turn to 0 ,thus its 0x07 } switch (setmode) { case 0: //GetTimeNow adjust hour:minute { INT_CLKO=0x10; TR0=0;//adjust flash disable if(key==0x77) //key add { while(Scan_Key()==0x77); //if key be released, its 6th bit turn to 0 ,thus its 0x37 dspmode = 1; setmode = 0; secMode = 0; } break; } case 1: //hour adjust { INT_CLKO=0x00; sec=1; TR0=1; minute = ReadDS3231(RTC_MIN_REG_ADDR); if(key==0x77) { while(Scan_Key()==0x77); temp=ReadDS3231(RTC_HR_REG_ADDR); temp=(temp>>4)*10 + (temp & 0x0F); temp++; temp %= 24; temp = ((temp/10)<<4)|(temp%10); WriteDS3231(RTC_HR_REG_ADDR,temp); } if(flash) hour = ReadDS3231(RTC_HR_REG_ADDR); else