温度显示就像图片中那样。程序如下
- #include<reg52.h>
- //#include"DS18B20_3.H"
- #include <string.h>
- #include <intrins.h>
- #define uint unsigned int
- #define uchar unsigned char
- #define wd 1 //定义是否有温度功能 =0时无温度，=1时有温度
- #include "eeprom52.h"
- #define yh 0x80 //LCD第一行的初始位置,因为LCD1602字符地址首位D7恒定为1（100000000=80）
- #define er 0x80+0x40 //LCD第二行初始位置（因为第二行第一个字符位置地址是0x40）
- //液晶屏的与C51之间的引脚连接定义（显示数据线接C51的P0口）
- sbit en=P2^7;
- sbit rw=P2^5; //如果硬件上rw接地，就不用写这句和后面的rw=0了
- sbit rs=P2^6;
- //校时按键与C51的引脚连接定义
- sbit set=P1^7; //设置键
- sbit add=P1^6; //加键
- sbit dec=P1^5; //减键
- sbit seeNL_NZ=P1^4; //查看农历/闹钟
- sbit DQ=P3^7; //
- sbit buzzer=P2^1; //蜂鸣器，通过三极管8550驱动，端口低电平响、、已经更改
- sbit led=P2^4; //LCD背光开关
- bit led1=1;
- bit NZ_sdgb=1;
- unsigned char temp_miao;
- unsigned char bltime; //背光亮的时间
- //DS1302时钟芯片与C51之间的引脚连接定义
- sbit IO=P3^4; //已经更改
- sbit SCLK=P3^6;
- sbit RST=P3^5;
- char a,miao,shi,fen,ri,yue,week,setn;
- int temp,nian;
- uint flag;
- //flag用于读取头文件中的温度值，和显示温度值
- bit c_moon;
- char nz_shi,nz_fen,setNZn; //定义闹钟变量
- uchar shangyimiao,bsn,temp_hour; //记录上一秒时间
- uchar T_NL_NZ; //计数器
- bit timerOn=0; //闹钟启用标志位
- bit baoshi=0; //整点报时标志位
- bit p_r=0; //平年/润年 =0表示平年，=1表示润年
- data uchar year_moon,month_moon,day_moon;
- sbit ACC0=ACC^0;
- sbit ACC7=ACC^7;
- /************************************************************
- ACC累加器=A
- ACC.0=E0H
- ACC.0就是ACC的第0位。Acc可以位寻址。
- 累加器ACC是一个8位的存储单元，是用来放数据的。但是，这个存储单元有其特殊的地位，
- 是单片机中一个非常关键的单元，很多运算都要通过ACC来进行。以后在学习指令时，
- 常用A来表示累加器。但有一些地方例外，比如在PUSH指令中，就必须用ACC这样的名字。
- 一般的说法，A代表了累加器中的内容、而ACC代表的是累加器的地址。
- ***************************************************************/
- /******************把数据保存到单片机内部eeprom中******************/
- void write_eeprom()
- {
- SectorErase(0x2000);
- byte_write(0x2000, nz_shi);
- byte_write(0x2001, nz_fen);
- byte_write(0x2002, timerOn);
- byte_write(0x2060, a_a);
- }
- /******************把数据从单片机内部eeprom中读出来*****************/
- void read_eeprom()
- {
- nz_shi = byte_read(0x2000);
- nz_fen = byte_read(0x2001);
- timerOn = byte_read(0x2002);
- a_a = byte_read(0x2060);
- }
- /**************开机自检eeprom初始化*****************/
- void init_eeprom()
- {
- read_eeprom(); //先读
- if(a_a != 1) //新的单片机初始单片机内问eeprom
- {
- nz_shi = 12;
- nz_fen = 30;
- timerOn=0;
- a_a = 1;
- write_eeprom(); //保存数据
- }
- }
- //********阳历转换阴历表************************************
- code uchar year_code[597]={
- 0x04,0xAe,0x53, //1901 0
- 0x0A,0x57,0x48, //1902 3
- 0x55,0x26,0xBd, //1903 6
- 0x0d,0x26,0x50, //1904 9
- 0x0d,0x95,0x44, //1905 12
- 0x46,0xAA,0xB9, //1906 15
- 0x05,0x6A,0x4d, //1907 18
- 0x09,0xAd,0x42, //1908 21
- 0x24,0xAe,0xB6, //1909
- 0x04,0xAe,0x4A, //1910
- 0x6A,0x4d,0xBe, //1911
- 0x0A,0x4d,0x52, //1912
- 0x0d,0x25,0x46, //1913
- 0x5d,0x52,0xBA, //1914
- 0x0B,0x54,0x4e, //1915
- 0x0d,0x6A,0x43, //1916
- 0x29,0x6d,0x37, //1917
- 0x09,0x5B,0x4B, //1918
- 0x74,0x9B,0xC1, //1919
- 0x04,0x97,0x54, //1920
- 0x0A,0x4B,0x48, //1921
- 0x5B,0x25,0xBC, //1922
- 0x06,0xA5,0x50, //1923
- 0x06,0xd4,0x45, //1924
- 0x4A,0xdA,0xB8, //1925
- 0x02,0xB6,0x4d, //1926
- 0x09,0x57,0x42, //1927
- 0x24,0x97,0xB7, //1928
- 0x04,0x97,0x4A, //1929
- 0x66,0x4B,0x3e, //1930
- 0x0d,0x4A,0x51, //1931
- 0x0e,0xA5,0x46, //1932
- 0x56,0xd4,0xBA, //1933
- 0x05,0xAd,0x4e, //1934
- 0x02,0xB6,0x44, //1935
- 0x39,0x37,0x38, //1936
- 0x09,0x2e,0x4B, //1937
- 0x7C,0x96,0xBf, //1938
- 0x0C,0x95,0x53, //1939
- 0x0d,0x4A,0x48, //1940
- 0x6d,0xA5,0x3B, //1941
- 0x0B,0x55,0x4f, //1942
- 0x05,0x6A,0x45, //1943
- 0x4A,0xAd,0xB9, //1944
- 0x02,0x5d,0x4d, //1945
- 0x09,0x2d,0x42, //1946
- 0x2C,0x95,0xB6, //1947
- 0x0A,0x95,0x4A, //1948
- 0x7B,0x4A,0xBd, //1949
- 0x06,0xCA,0x51, //1950
- 0x0B,0x55,0x46, //1951
- 0x55,0x5A,0xBB, //1952
- 0x04,0xdA,0x4e, //1953
- 0x0A,0x5B,0x43, //1954
- 0x35,0x2B,0xB8, //1955
- 0x05,0x2B,0x4C, //1956
- 0x8A,0x95,0x3f, //1957
- 0x0e,0x95,0x52, //1958
- 0x06,0xAA,0x48, //1959
- 0x7A,0xd5,0x3C, //1960
- 0x0A,0xB5,0x4f, //1961
- 0x04,0xB6,0x45, //1962
- 0x4A,0x57,0x39, //1963
- 0x0A,0x57,0x4d, //1964
- 0x05,0x26,0x42, //1965
- 0x3e,0x93,0x35, //1966
- 0x0d,0x95,0x49, //1967
- 0x75,0xAA,0xBe, //1968
- 0x05,0x6A,0x51, //1969
- 0x09,0x6d,0x46, //1970
- 0x54,0xAe,0xBB, //1971
- 0x04,0xAd,0x4f, //1972
- 0x0A,0x4d,0x43, //1973
- 0x4d,0x26,0xB7, //1974
- 0x0d,0x25,0x4B, //1975
- 0x8d,0x52,0xBf, //1976
- 0x0B,0x54,0x52, //1977
- 0x0B,0x6A,0x47, //1978
- 0x69,0x6d,0x3C, //1979
- 0x09,0x5B,0x50, //1980
- 0x04,0x9B,0x45, //1981
- 0x4A,0x4B,0xB9, //1982
- 0x0A,0x4B,0x4d, //1983
- 0xAB,0x25,0xC2, //1984
- 0x06,0xA5,0x54, //1985
- 0x06,0xd4,0x49, //1986
- 0x6A,0xdA,0x3d, //1987
- 0x0A,0xB6,0x51, //1988
- 0x09,0x37,0x46, //1989
- 0x54,0x97,0xBB, //1990
- 0x04,0x97,0x4f, //1991
- 0x06,0x4B,0x44, //1992
- 0x36,0xA5,0x37, //1993
- 0x0e,0xA5,0x4A, //1994
- 0x86,0xB2,0xBf, //1995
- 0x05,0xAC,0x53, //1996
- 0x0A,0xB6,0x47, //1997
- 0x59,0x36,0xBC, //1998
- 0x09,0x2e,0x50, //1999 294
- 0x0C,0x96,0x45, //2000 297
- 0x4d,0x4A,0xB8, //2001
- 0x0d,0x4A,0x4C, //2002
- 0x0d,0xA5,0x41, //2003
- 0x25,0xAA,0xB6, //2004
- 0x05,0x6A,0x49, //2005
- 0x7A,0xAd,0xBd, //2006
- 0x02,0x5d,0x52, //2007
- 0x09,0x2d,0x47, //2008
- 0x5C,0x95,0xBA, //2009
- 0x0A,0x95,0x4e, //2010
- 0x0B,0x4A,0x43, //2011
- 0x4B,0x55,0x37, //2012
- 0x0A,0xd5,0x4A, //2013
- 0x95,0x5A,0xBf, //2014
- 0x04,0xBA,0x53, //2015
- 0x0A,0x5B,0x48, //2016
- 0x65,0x2B,0xBC, //2017
- 0x05,0x2B,0x50, //2018
- 0x0A,0x93,0x45, //2019
- 0x47,0x4A,0xB9, //2020
- 0x06,0xAA,0x4C, //2021
- 0x0A,0xd5,0x41, //2022
- 0x24,0xdA,0xB6, //2023
- 0x04,0xB6,0x4A, //2024
- 0x69,0x57,0x3d, //2025
- 0x0A,0x4e,0x51, //2026
- 0x0d,0x26,0x46, //2027
- 0x5e,0x93,0x3A, //2028
- 0x0d,0x53,0x4d, //2029
- 0x05,0xAA,0x43, //2030
- 0x36,0xB5,0x37, //2031
- 0x09,0x6d,0x4B, //2032
- 0xB4,0xAe,0xBf, //2033
- 0x04,0xAd,0x53, //2034
- 0x0A,0x4d,0x48, //2035
- 0x6d,0x25,0xBC, //2036
- 0x0d,0x25,0x4f, //2037
- 0x0d,0x52,0x44, //2038
- 0x5d,0xAA,0x38, //2039
- 0x0B,0x5A,0x4C, //2040
- 0x05,0x6d,0x41, //2041
- 0x24,0xAd,0xB6, //2042
- 0x04,0x9B,0x4A, //2043
- 0x7A,0x4B,0xBe, //2044
- 0x0A,0x4B,0x51, //2045
- 0x0A,0xA5,0x46, //2046
- 0x5B,0x52,0xBA, //2047
- 0x06,0xd2,0x4e, //2048
- 0x0A,0xdA,0x42, //2049
- 0x35,0x5B,0x37, //2050
- 0x09,0x37,0x4B, //2051
- 0x84,0x97,0xC1, //2052
- 0x04,0x97,0x53, //2053
- 0x06,0x4B,0x48, //2054
- 0x66,0xA5,0x3C, //2055
- 0x0e,0xA5,0x4f, //2056
- 0x06,0xB2,0x44, //2057
- 0x4A,0xB6,0x38, //2058
- 0x0A,0xAe,0x4C, //2059
- 0x09,0x2e,0x42, //2060
- 0x3C,0x97,0x35, //2061
- 0x0C,0x96,0x49, //2062
- 0x7d,0x4A,0xBd, //2063
- 0x0d,0x4A,0x51, //2064
- 0x0d,0xA5,0x45, //2065
- 0x55,0xAA,0xBA, //2066
- 0x05,0x6A,0x4e, //2067
- 0x0A,0x6d,0x43, //2068
- 0x45,0x2e,0xB7, //2069
- 0x05,0x2d,0x4B, //2070
- 0x8A,0x95,0xBf, //2071
- 0x0A,0x95,0x53, //2072
- 0x0B,0x4A,0x47, //2073
- 0x6B,0x55,0x3B, //2074
- 0x0A,0xd5,0x4f, //2075
- 0x05,0x5A,0x45, //2076
- 0x4A,0x5d,0x38, //2077
- 0x0A,0x5B,0x4C, //2078
- 0x05,0x2B,0x42, //2079
- 0x3A,0x93,0xB6, //2080
- 0x06,0x93,0x49, //2081
- 0x77,0x29,0xBd, //2082
- 0x06,0xAA,0x51, //2083
- 0x0A,0xd5,0x46, //2084
- 0x54,0xdA,0xBA, //2085
- 0x04,0xB6,0x4e, //2086
- 0x0A,0x57,0x43, //2087
- 0x45,0x27,0x38, //2088
- 0x0d,0x26,0x4A, //2089
- 0x8e,0x93,0x3e, //2090
- 0x0d,0x52,0x52, //2091
- 0x0d,0xAA,0x47, //2092
- 0x66,0xB5,0x3B, //2093
- 0x05,0x6d,0x4f, //2094
- 0x04,0xAe,0x45, //2095
- 0x4A,0x4e,0xB9, //2096
- 0x0A,0x4d,0x4C, //2097
- 0x0d,0x15,0x41, //2098
- 0x2d,0x92,0xB5, //2099
- };
- ///月份数据表
- code uchar day_code1[9]={0x0,0x1f,0x3b,0x5a,0x78,0x97,0xb5,0xd4,0xf3};
- code uint day_code2[3]={0x111,0x130,0x14e};
- /*
- 函数功能:输入BCD阳历数据,输出BCD阴历数据(只允许1901-2099年)
- 调用函数示例:Conversion(c_sun,year_sun,month_sun,day_sun)
- 如:计算2004年10月16日Conversion(0,0x4,0x10,0x16);
- c_sun,year_sun,month_sun,day_sun均为BCD数据,c_sun为世纪标志位,c_sun=0为21世
- 纪,c_sun=1为19世纪
- 调用函数后,原有数据不变,读c_moon,year_moon,month_moon,day_moon得出阴历BCD数据
- */
- bit c_moon;
- //子函数,用于读取数据表中农历月的大月或小月,如果该月为大返回1,为小返回0
- bit get_moon_day(uchar month_p,uint table_addr)
- {
- uchar temp10;
- switch (month_p){
- case 1:{temp10=year_code[table_addr]&0x08;
- if (temp10==0)return(0);else return(1);}
- case 2:{temp10=year_code[table_addr]&0x04;
- if (temp10==0)return(0);else return(1);}
- case 3:{temp10=year_code[table_addr]&0x02;
- if (temp10==0)return(0);else return(1);}
- case 4:{temp10=year_code[table_addr]&0x01;
- if (temp10==0)return(0);else return(1);}
- case 5:{temp10=year_code[table_addr+1]&0x80;
- if (temp10==0) return(0);else return(1);}
- case 6:{temp10=year_code[table_addr+1]&0x40;
- if (temp10==0)return(0);else return(1);}
- case 7:{temp10=year_code[table_addr+1]&0x20;
- if (temp10==0)return(0);else return(1);}
- case 8:{temp10=year_code[table_addr+1]&0x10;
- if (temp10==0)return(0);else return(1);}
- case 9:{temp10=year_code[table_addr+1]&0x08;
- if (temp10==0)return(0);else return(1);}
- case 10:{temp10=year_code[table_addr+1]&0x04;
- if (temp10==0)return(0);else return(1);}
- case 11:{temp10=year_code[table_addr+1]&0x02;
- if (temp10==0)return(0);else return(1);}
- case 12:{temp10=year_code[table_addr+1]&0x01;
- if (temp10==0)return(0);else return(1);}
- case 13:{temp10=year_code[table_addr+2]&0x80;
- if (temp10==0)return(0);else return(1);}
- default:return(2);
- }
- }
- /*
- 函数功能:输入BCD阳历数据,输出BCD阴历数据(只允许1901-2099年)
- 调用函数示例:Conversion(c_sun,year_sun,month_sun,day_sun)
- 如:计算2004年10月16日Conversion(0,0x4,0x10,0x16);
- c_sun,year_sun,month_sun,day_sun均为BCD数据,c_sun为世纪标志位,c_sun=0为21世
- 纪,c_sun=1为19世纪
- 调用函数后,原有数据不变,读c_moon,year_moon,month_moon,day_moon得出阴历BCD数据
- */
- void Conversion(bit c,uchar year,uchar month,uchar day)
- { //c=0 为21世纪,c=1 为19世纪 输入输出数据均为BCD数据
- uchar temp1,temp2,temp3,month_p;
- uint temp4,table_addr;
- bit flag2,flag_y;
- temp1=year/16; //BCD->hex 先把数据转换为十六进制
- temp2=year%16;
- // year=temp1*10+temp2;
- year=temp1*16+temp2;
- temp1=month/16;
- temp2=month%16;
- //month=temp1*10+temp2;
- month=temp1*16+temp2;
- temp1=day/16;
- temp2=day%16;
- //day=temp1*10+temp2;
- day=temp1*16+temp2;
- //定位数据表地址
- if(c==0){
- table_addr=(year+0x64-1)*0x3;
- }
- else {
- table_addr=(year-1)*0x3;
- }
- //定位数据表地址完成
- //取当年春节所在的公历月份
- temp1=year_code[table_addr+2]&0x60;
- temp1=_cror_(temp1,5);
- //取当年春节所在的公历月份完成
- //取当年春节所在的公历日
- temp2=year_code[table_addr+2]&0x1f;
- //取当年春节所在的公历日完成
- // 计算当年春年离当年元旦的天数,春节只会在公历1月或2月
- if(temp1==0x1){
- temp3=temp2-1;
- }
- else{
- temp3=temp2+0x1f-1;
- }
- // 计算当年春年离当年元旦的天数完成
- //计算公历日离当年元旦的天数,为了减少运算,用了两个表
- //day_code1[9],day_code2[3]
- //如果公历月在九月或前,天数会少于0xff,用表day_code1[9],
- //在九月后,天数大于0xff,用表day_code2[3]
- //如输入公历日为8月10日,则公历日离元旦天数为day_code1[8-1]+10-1
- //如输入公历日为11月10日,则公历日离元旦天数为day_code2[11-10]+10-1
- if (month<10){
- temp4=day_code1[month-1]+day-1;
- }
- else{
- temp4=day_code2[month-10]+day-1;
- }
- if ((month>0x2)&&(year%0x4==0)){ //如果公历月大于2月并且该年的2月为闰月,天数加1
- temp4+=1;
- }
- //计算公历日离当年元旦的天数完成
- //判断公历日在春节前还是春节后
- if (temp4>=temp3){ //公历日在春节后或就是春节当日使用下面代码进行运算
- temp4-=temp3;
- month=0x1;
- month_p=0x1; //month_p为月份指向,公历日在春节前或就是春节当日month_p指向首月
- flag2=get_moon_day(month_p,table_addr); //检查该农历月为大小还是小月,大月返回1,小月返回0
- flag_y=0;
- if(flag2==0)temp1=0x1d; //小月29天
- else temp1=0x1e; //大小30天
- temp2=year_code[table_addr]&0xf0;
- temp2=_cror_(temp2,4); //从数据表中取该年的闰月月份,如为0则该年无闰月
- while(temp4>=temp1){
- temp4-=temp1;
- month_p+=1;
- if(month==temp2){
- flag_y=~flag_y;
- if(flag_y==0)month+=1;
- }
- else month+=1;
- flag2=get_moon_day(month_p,table_addr);
- if(flag2==0)temp1=0x1d;
- else temp1=0x1e;
- }
- day=temp4+1;
- }
- else{ //公历日在春节前使用下面代码进行运算
- temp3-=temp4;
- if (year==0x0){year=0x63;c=1;}
- else year-=1;
- table_addr-=0x3;
- month=0xc;
- temp2=year_code[table_addr]&0xf0;
- temp2=_cror_(temp2,4);
- if (temp2==0)
- month_p=0xc;
- else
- month_p=0xd; //
- //month_p为月份指向,如果当年有闰月,一年有十三个月,月指向13,无闰月指向12
- flag_y=0;
- flag2=get_moon_day(month_p,table_addr);
- if(flag2==0)temp1=0x1d;
- else temp1=0x1e;
- while(temp3>temp1){
- temp3-=temp1;
- month_p-=1;
- if(flag_y==0)month-=1;
- if(month==temp2)flag_y=~flag_y;
- flag2=get_moon_day(month_p,table_addr);
- if(flag2==0)temp1=0x1d;
- else temp1=0x1e;
- }
- day=temp1-temp3+1;
- }
- c_moon=c; //HEX->BCD ,运算结束后,把数据转换为BCD数据
- temp1=year/10;
- temp1=_crol_(temp1,4);
- temp2=year%10;
- year_moon=temp1|temp2;
- temp1=month/10;
- temp1=_crol_(temp1,4);
- temp2=month%10;
- month_moon=temp1|temp2;
- temp1=day/10;
- temp1=_crol_(temp1,4);
- temp2=day%10;
- day_moon=temp1|temp2;
- }
- /*
- 函数功能:输入BCD阳历数据,输出BCD星期数据(只允许1901-2099年)
- 调用函数示例:Conver_week(c_sun,year_sun,month_sun,day_sun)
- 如:计算2004年10月16日Conversion(0,0x4,0x10,0x16);
- c_sun,year_sun,month_sun,day_sun均为BCD数据,c_sun为世纪标志位,c_sun=0为21世
- 纪,c_sun=1为19世纪
- 调用函数后,原有数据不变,读week得出阴历BCD数据
- */
- code uchar table_week[12]={0,3,3,6,1,4,6,2,5,0,3,5}; //月修正数据表
- /*
- 算法:日期+年份+所过闰年数+月较正数之和除7 的余数就是星期但如果是在
- 闰年又不到3 月份上述之和要减一天再除7
- 星期数为0
- */
- void Conver_week(uchar year,uchar month,uchar day)
- {//c=0 为21世纪,c=1 为19世纪 输入输出数据均为BCD数据
- uchar p1,p2;
- year+=0x64; //如果为21世纪,年份数加100
- p1=year/0x4; //所过闰年数只算1900年之后的
- p2=year+p1;
- p2=p2%0x7; //为节省资源,先进行一次取余,避免数大于0xff,避免使用整型数据
- p2=p2+day+table_week[month-1];
- if (year%0x4==0&&month<3)p2-=1;
- week=p2%0x7;
- }
- /**************************************************************/
- uchar code tab1[]={"20 - - "}; //年显示的固定字符
- uchar code tab2[]={" : : "}; //时间显示的固定字符
- uchar code nlp[]={"NL: - - PING"}; //农历平年显示
- uchar code nlr[]={"NL: - - RUN "}; //农历润年显示
- uchar code NZd[]={"timer: : "}; //显示闹钟固定点
- uchar code qk[]= {" "}; //清空显示
- uchar code tm[]= {"time"};
- //=====================DS18B20=============================================
- //******************************************************************************
- void Delayns(int num)//延时函数
- {
- while(num--);
- }
- //******************************************************************************
- void Init_DS18B20(void)//初始化ds1820
- {
- unsigned char x=0;
- DQ = 1; //DQ复位
- Delayns(8); //稍做延时
- DQ = 0; //单片机将DQ拉低
- Delayns(80); //精确延时 大于 480us
- DQ = 1; //拉高总线
- Delayns(14);
- x=DQ; //稍做延时后 如果x=0则初始化成功 x=1则初始化失败
- Delayns(20);
- }
- //******************************************************************************
- unsigned char ReadOneChar(void)//读一个字节
- {
- 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;
- Delayns(4);
- }
- return(dat);
- }
- //******************************************************************************
- void WriteOneChar(unsigned char dat)//写一个字节
- {
- unsigned char i=0;
- for (i=8; i>0; i--)
- {
- DQ = 0;
- DQ = dat&0x01;
- Delayns(5);
- DQ = 1;
- dat>>=1;
- }
- }
- //******************************************************************************
- unsigned int ReadTemperature(void)//读取温度
- {
- unsigned char a=0;
- unsigned char b=0;
- unsigned int t=0;
- float tt=0;
- Init_DS18B20();
- WriteOneChar(0xCC); // 跳过读序号列号的操作
- WriteOneChar(0x44); // 启动温度转换
- Init_DS18B20();
- WriteOneChar(0xCC); //跳过读序号列号的操作
- WriteOneChar(0xBE); //读取温度寄存器
- a=ReadOneChar(); //读低8位
- b=ReadOneChar(); //读高8位
- t=b;
- t<<=8;
- t=t|a;
- tt=t*0.0625;
- t= tt*10+0.5; //放大10倍输出并四舍五入
- return(t);
- }
- //*****************************************************************************
- //延时函数，后面经常调用
- void delay(uint xms)//延时函数，有参函数
- {
- uint x,y;
- for(x=xms;x>0;x--)
- for(y=110;y>0;y--);
- }
- /********液晶写入指令函数与写入数据函数，以后可调用**************/
- /*在这个程序中，液晶写入有关函数会在DS1302的函数中调用，所以液晶程序要放在前面*/
- void write_1602com(uchar com)//****液晶写入指令函数****
- {
- rs=0;//数据/指令选择置为指令
- rw=0; //读写选择置为写
- P0=com;//送入数据
- delay(1);
- en=1;//拉高使能端，为制造有效的下降沿做准备
- delay(1);
- en=0;//en由高变低，产生下降沿，液晶执行命令
- }
- void write_1602dat(uchar dat)//***液晶写入数据函数****
- {
- rs=1;//数据/指令选择置为数据
- rw=0; //读写选择置为写
- P0=dat;//送入数据
- delay(1);
- en=1; //en置高电平，为制造下降沿做准备
- delay(1);
- en=0; //en由高变低，产生下降沿，液晶执行命令
- }
- void lcd_init()//***液晶初始化函数****
- {
- write_1602com(0x38);//设置液晶工作模式，意思：16*2行显示，5*7点阵，8位数据
- write_1602com(0x0c);//开显示不显示光标
- write_1602com(0x06);//整屏不移动，光标自动右移
- write_1602com(0x01);//清显示
- write_1602com(yh+1);//日历显示固定符号从第一行第1个位置之后开始显示
- for(a=0;a<14;a++)
- {
- write_1602dat(tab1[a]);//向液晶屏写日历显示的固定符号部分
- //delay(3);
- }
- write_1602com(er);//时间显示固定符号写入位置，从第2个位置后开始显示
- for(a=0;a<8;a++)
- {
- write_1602dat(tab2[a]);//写显示时间固定符号，两个冒号
- //delay(3);
- }
- }
- /*********************over***********************/
- /***************DS1302有关子函数********************/
- void write_byte(uint dat)//写一个字节
- {
- ACC=dat;
- RST=1;
- for(a=8;a>0;a--)
- {
- IO=ACC0;
- SCLK=0;
- SCLK=1;
- ACC=ACC>>1;
- }
- }
- uint read_byte()//读一个字节
- {
- RST=1;
- for(a=8;a>0;a--)
- {
- ACC7=IO;
- SCLK=1;
- SCLK=0;
- ACC=ACC>>1;
- }
- IO=0;
- return (ACC);
- }
- //----------------------------------------
- void write_1302(uint add,uint dat)//向1302芯片写函数，指定写入地址，数据
- {
- RST=0;
- SCLK=0;
- RST=1;
- write_byte(add);
- write_byte(dat);
- SCLK=1;
- RST=0;
- }
- uint read_1302(uint add)//从1302读数据函数，指定读取数据来源地址
- {
- uint temp11;
- RST=0;
- SCLK=0;
- RST=1;
- write_byte(add);
- temp11=read_byte();
- SCLK=1;
- RST=0;
- return(temp11);
- }
- uint BCD_Decimal(int bcd)//BCD码转十进制函数，输入BCD，返回十进制
- {
- // uchar Decimal;
- // Decimal=bcd>>4;
- return((bcd>>4)*10+(bcd&0x0F));
- }
- //--------------------------------------
- void ds1302_init() //1302芯片初始化子函数(2010-01-07,12:00:00,week4)
- {
- RST=0;
- SCLK=0;
- write_1302(0x8e,0x00); //允许写，禁止写保护
- write_1302(0x90,0xa7); //使能涓流充电
- write_1302(0x80,0x12); //向DS1302内写秒寄存器80H写入初始秒数据00
- write_1302(0x82,0x12);//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,0x04);//向DS1302内写周寄存器8aH写入初始周数据4
- write_1302(0x86,0x02);//向DS1302内写日期寄存器86H写入初始日期数据07
- write_1302(0x88,0x03);//向DS1302内写月份寄存器88H写入初始月份数据01
- write_1302(0x8c,0x20);//向DS1302内写年份寄存器8cH写入初始年份数据17
- write_1302(0x8e,0x80); //打开写保护
- }
- //------------------------------------
- //温度显示子函数
- void write_temp(uchar add,uint dat)//向LCD写温度数据,并指定显示位置
- {
- uint gw,sw,bw;
- bw=dat/100;//取得百位
- sw=dat%100/10;//取得十位数字
- gw=dat%10;//取得个位数字
- write_1602com(er+add);//er是头文件规定的值0x80+0x40
- write_1602dat(0x30+bw);
- write_1602dat(0x30+sw);//数字+30得到该数字的LCD1602显示码
- write_1602dat('.');
- write_1602dat(0x30+gw);//数字+30得到该数字的LCD1602显示码
- write_1602dat(0xdf);//显示温度的小圆圈符号，0xdf是液晶屏字符库的该符号地址码
- write_1602dat(0x43); //显示"C"符号，0x43是液晶屏字符库里大写C的地址码
- }
- //------------------------------------
- //时分秒显示子函数
- void write_sfm(uchar add,uchar dat)//向LCD写时分秒,有显示位置加、现示数据，两个参数
- {
- uchar gw,sw;
- gw=dat%10;//取得个位数字
- sw=dat/10;//取得十位数字
- write_1602com(er+add);//er是头文件规定的值0x80+0x40
- write_1602dat(0x30+sw);//数字+30得到该数字的LCD1602显示码
- write_1602dat(0x30+gw);//数字+30得到该数字的LCD1602显示码
- }
- //-------------------------------------
- //年月日显示子函数
- void write_nyr(uchar add,uchar dat)//向LCD写年月日，有显示位置加数、显示数据，两个参数
- {
- uchar gw,sw;
- gw=dat%10;//取得个位数字
- sw=dat/10;//取得十位数字
- write_1602com(yh+add);//设定显示位置为第一个位置+add
- write_1602dat(0x30+sw);//数字+30得到该数字的LCD1602显示码
- write_1602dat(0x30+gw);//数字+30得到该数字的LCD1602显示码
- }
- //------------------------------------
- //农历显示子函数
- void write_nl(uchar add,uchar dat)//向LCD写时分秒,有显示位置加、现示数据，两个参数
- {
-
- uchar gw,sw;
- //gw=dat%10;//取得个位数字
- //sw=dat/10;//取得十位数字
- gw=dat%16;//取得个位数字
- sw=dat/16;//取得十位数字
- write_1602com(er+add);//er是头文件规定的值0x80+0x40
- // write_1602dat(0x30+sw);//数字+30得到该数字的LCD1602显示码
- // write_1602dat(0x30+gw);//数字+30得到该数字的LCD1602显示码
- write_1602dat('0'+sw);//数字+30得到该数字的LCD1602显示码
- write_1602dat('0'+gw);//数字+30得到该数字的LCD1602显示码
- }
- //-------------------------------------------
- void write_week(uchar week)//写星期函数
- {
- write_1602com(yh+0x0c);//星期字符的显示位置
- switch(week)
- {
- case 1:write_1602dat('M');//星期数为1时，显示
- write_1602dat('O');
- write_1602dat('N');
- break;
-
- case 2:write_1602dat('T');//星期数据为2时显示
- write_1602dat('U');
- write_1602dat('E');
- break;
-
- case 3:write_1602dat('W');//星期数据为3时显示
- write_1602dat('E');
- write_1602dat('D');
- break;
-
- case 4:write_1602dat('T');//星期数据为4是显示
- write_1602dat('H');
- write_1602dat('U');
- break;
-
- case 5:write_1602dat('F');//星期数据为5时显示
- write_1602dat('R');
- write_1602dat('I');
- break;
-
- case 6:write_1602dat('S');//星期数据为6时显示
- write_1602dat('T');
- write_1602dat('A');
- break;
-
- case 0:write_1602dat('S');//星期数据为7时显示
- write_1602dat('U');
- write_1602dat('N');
- break;
- }
- }
- //****************键盘扫描有关函数**********************
- void keyscan()
- {
- if(TR1==1&&setn==0&&setNZn==0&&(add==0||dec==0))
- NZ_sdgb=0;
- if(led1==1) //背光暗时，按下任意按键打开背光
- {
- if(seeNL_NZ==0||set==0||add==0||dec==0)
- led1=0;
- }
- else if(led1==0)
- {
- if(seeNL_NZ==0) //第一个按键判断，农历按键 和闹钟按键
- {
- delay(9);
- if(seeNL_NZ==0)
- {
- led1=0;
- bltime=0;
- // NZ_sdgb=0;
- if((setn==0)&&(setNZn==0)) //在没有进入调时模式时才可按动
- {
- buzzer=0;//蜂鸣器短响一次
- delay(20);
- buzzer=1;
-
- if(TR1==1)
- {
- TR1=0;
- }
- else
- {
- T_NL_NZ++;
- NZ_sdgb=1;
- if(T_NL_NZ==3)
- {
- setn=0;
- setNZn=0;
- T_NL_NZ=0;
- }
- }
- }
- while(seeNL_NZ==0);
- }
- }
-
-
- if(set==0)//---------------第二个按键，set为功能键（设置键）--------------------
- {
- delay(9);//延时，用于消抖动
- if(set==0)//延时后再次确认按键按下
- {
- led1=0;//背光打开
- bltime=0;
- // NZ_sdgb=0;
- buzzer=0;//蜂鸣器短响一次
- delay(20);
- buzzer=1;
- while(!set);
- if(T_NL_NZ==0x02) //证明是对闹钟进行设置
- {
- setNZn++;
- if(setNZn==4) //闹钟设定成功，退回到正常显示并开启闹钟
- {
- setNZn=0;
- setn=0;
- // timerOn=1;
- }
- switch(setNZn)
- {
- case 0: //正常显示日期时间
- write_1602com(0x0c); //设置光标不闪?
- write_1602com(er); //时间显示固定符号写入位置?
- for(a=0;a<16;a++)
- write_1602dat(NZd[a]); //写显示时间固定符号，两个冒号
-
- write_sfm(7,nz_shi); //闹钟 时
- write_sfm(10,nz_fen); //闹钟 分
- write_1602com(er+13);
- if(timerOn==1)
- {
- write_1602dat('O');
- write_1602dat('N');
- write_1602dat(' ');
- }
- else
- {
- write_1602dat('O');
- write_1602dat('F');
- write_1602dat('F');
- }
-
- // write_sfm(14,nz_miao); //闹钟 秒
- break;
- case 1: //闹钟时光标闪烁
- write_1602com(er+8); //设置按键按动一次，小时位置显示光标 //er+0x09;
- write_1602com(0x0f); //设置光标为闪烁
- break;
- case 2: //闹钟分光标闪烁
- write_1602com(er+11); //设置按键按动一次，位置显示光标 //er+0x09;
- write_1602com(0x0f); //设置光标为闪烁
- break;
- case 3: //闹钟光标闪烁
- write_1602com(er+13);
-
- if(timerOn==1)
- {
- write_1602dat('O');
- write_1602dat('N');
- write_1602dat(' ');
- }
- else
- {
- write_1602dat('O');
- write_1602dat('F');
- write_1602dat('F');
- }
- write_1602com(er+13);
- write_1602com(0x0f); //设置光标为闪烁
- break;
- }
- }
-
- else
- {
- if(T_NL_NZ==0) //证明是对时间及日期进行设置
- {
- setn++;
- if(setn==7)
- setn=0; //设置按键共有秒、分、时、星期、日、月、年、返回，8个功能循环
- switch(setn)
- {
- case 1: TR0=0;//关闭定时器
- //TR1=0;
- write_1602com(er+7);//设置按键按动一次，秒位置显示光标 //er+0x09;
- write_1602com(0x0f);//设置光标为闪烁
- /* temp=(miao)/10*16+(miao)%10;//秒数据写入DS1302
- write_1302(0x8e,0x00);
- write_1302(0x80,0x80|temp);//miao
- write_1302(0x8e,0x80); */
- break;
- case 2:
- write_1602com(er+4); //按2次fen位置显示光标 //er+0x06
- //write_1602com(0x0f);
- break;
- case 3:
- write_1602com(er+1); //按动3次，shi
- //write_1602com(0x0f);
- break;
- // case 4: write_1602com(yh+0x0e);//按动4次，week
- //write_1602com(0x0f);
- // break;
- case 4: write_1602com(yh+0x0a);//按动4次，ri
- //write_1602com(0x0f);
- break;
- case 5: write_1602com(yh+0x07);//按动5次，yue
- //write_1602com(0x0f);
- break;
- case 6: write_1602com(yh+0x04);//按动6次，nian
- //write_1602com(0x0f);
- break;
- case 0:
- write_1602com(0x0c);//按动到第7次，设置光标不闪烁
- TR0=1;//打开定时器
- temp=(miao)/10*16+(miao)%10;
- write_1302(0x8e,0x00);
- write_1302(0x80,0x00|temp);//miao数据写入DS1302
- write_1302(0x8e,0x80);
- break;
- }
- }
- }
- }
- }
- //------------------------------在时间设置页面按下加键add和减dec----------------------------
- if((setn!=0)&&(setNZn==0))//当set按下以下。再按以下键才有效（按键次数不等于零）
- {
- if(add==0) //上调键
- {
- delay(10);
- if(add==0)
- {
- led1=0;
- bltime=0;
-
- buzzer=0;//蜂鸣器短响一次
- delay(20);
- buzzer=1;
- while(!add);
- switch(setn)
- {
- case 1:miao++;//设置键按动1次，调秒
- if(miao>=60)
- miao=0;//秒超过59，再加1，就归零
- write_sfm(0x06,miao);//令LCD在正确位置显示"加"设定好的秒数
- temp=(miao)/10*16+(miao)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00); //允许写，禁止写保护
- write_1302(0x80,temp); //向DS1302内写秒寄存器80H写入调整后的秒数据BCD码
- write_1302(0x8e,0x80); //打开写保护
- write_1602com(er+7);//因为设置液晶的模式是写入数据后，光标自动右移，所以要指定返回
- //write_1602com(0x0b);
- break;
- case 2:fen++;
- if(fen>=60)
- fen=0;
- write_sfm(0x03,fen);//令LCD在正确位置显示"加"设定好的分数据
- temp=(fen)/10*16+(fen)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x82,temp);//向DS1302内写分寄存器82H写入调整后的分数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(er+4);//因为设置液晶的模式是写入数据后，指针自动加一，在这里是写回原来的位置
- break;
- case 3:shi++;
- if(shi>=24)
- shi=0;
- write_sfm(0x00,shi);//令LCD在正确的位置显示"加"设定好的小时数据
- temp=(shi)/10*16+(shi)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x84,temp);//向DS1302内写小时寄存器84H写入调整后的小时数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(er+1);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
- break;
- /*
- case 4:week++;
- if(week==8)
- week=1;
- write_1602com(yh+0x0C);//指定'加'后的周数据显示位置
- write_week(week);//指定周数据显示内容
- temp=(week)/10*16+(week)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x8a,temp);//向DS1302内写周寄存器8aH写入调整后的周数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(yh+0x0e);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
- break;
- */
- case 4:ri++;
- if(ri>=32)
- ri=1;
- Conver_week(nian,yue,ri);
- write_week(week);
- write_nyr(9,ri);//令LCD在正确的位置显示"加"设定好的日期数据
- temp=(ri)/10*16+(ri)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x86,temp);//向DS1302内写日期寄存器86H写入调整后的日期数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(yh+10);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
-
- break;
- case 5:yue++;
- if(yue>=13)
- yue=1;
- Conver_week(nian,yue,ri);
- write_week(week);
- write_nyr(6,yue);//令LCD在正确的位置显示"加"设定好的月份数据
- temp=(yue)/10*16+(yue)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x88,temp);//向DS1302内写月份寄存器88H写入调整后的月份数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(yh+7);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
-
- break;
- case 6:nian++;
- if(nian>=100)
- nian=0;
- Conver_week(nian,yue,ri);
- write_week(week);
- write_nyr(3,nian);//令LCD在正确的位置显示"加"设定好的年份数据
- temp=(nian)/10*16+(nian)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x8c,temp);//向DS1302内写年份寄存器8cH写入调整后的年份数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(yh+4);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
-
- break;
- }
- }
-
- }
- //------------------减键dec，各句功能参照'加键'注释---------------
- if(dec==0)
- {
- delay(10);//调延时，消抖动
- if(dec==0)
- {
- led1=0;
- bltime=0;
-
- buzzer=0;//蜂鸣器短响一次
- delay(20);
- buzzer=1;
- while(!dec);
- switch(setn)
- {
- case 1:
- miao--;
- if(miao<0)
- miao=59;//秒数据减到-1时自动变成59
- write_sfm(0x06,miao);//在LCD的正确位置显示改变后新的秒数
- temp=(miao)/10*16+(miao)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00); //允许写，禁止写保护
- write_1302(0x80,temp); //向DS1302内写秒寄存器80H写入调整后的秒数据BCD码
- write_1302(0x8e,0x80); //打开写保护
- write_1602com(er+7);//因为设置液晶的模式是写入数据后，指针自动加一，在这里是写回原来的位置
- //write_1602com(0x0b);
- break;
- case 2:
- fen--;
- if(fen<0)
- fen=59;
- write_sfm(3,fen);
- temp=(fen)/10*16+(fen)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x82,temp);//向DS1302内写分寄存器82H写入调整后的分数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(er+4);//因为设置液晶的模式是写入数据后，指针自动加一，在这里是写回原来的位置
- break;
-
- case 3:
- shi--;
- if(shi<0)
- shi=23;
- write_sfm(0,shi);
- temp=(shi)/10*16+(shi)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x84,temp);//向DS1302内写小时寄存器84H写入调整后的小时数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(er+1);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
- break;
- /*
- case 4:week--;
- if(week==0)
- week=7;
-
- write_1602com(yh+0x0C);//指定'加'后的周数据显示位置
- write_week(week);//指定周数据显示内容
- temp=(week)/10*16+(week)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x8a,temp);//向DS1302内写周寄存器8aH写入调整后的周数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(yh+0x0e);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
- break;
- */
- case 4:
- ri--;
- if(ri<=0)
- ri=31;
- Conver_week(nian,yue,ri);
- write_week(week);
- write_nyr(9,ri);
- temp=(ri)/10*16+(ri)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x86,temp);//向DS1302内写日期寄存器86H写入调整后的日期数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(yh+10);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
- break;
- case 5:
- yue--;
- if(yue<=0)
- yue=12;
- Conver_week(nian,yue,ri);
- write_week(week);
- write_nyr(6,yue);
- temp=(yue)/10*16+(yue)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x88,temp);//向DS1302内写月份寄存器88H写入调整后的月份数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(yh+7);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
-
- break;
- case 6:
- nian--;
- if(nian<0)
- nian=99;
- Conver_week(nian,yue,ri);
- write_week(week);
- write_nyr(3,nian);
- temp=(nian)/10*16+(nian)%10;//十进制转换成DS1302要求的DCB码
- write_1302(0x8e,0x00);//允许写，禁止写保护
- write_1302(0x8c,temp);//向DS1302内写年份寄存器8cH写入调整后的年份数据BCD码
- write_1302(0x8e,0x80);//打开写保护
- write_1602com(yh+4);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
- break;
-
- }
- }
- }
- }
- //------------------------------在闹钟设置页面按下加键add和减dec----------------------------
- if((setNZn!=0)&&(setn==0))
- {
- if(add==0) //上调键
- {
- delay(10);
- if(add==0)
- {
- led1=0;
- bltime=0;
-
- buzzer=0;//蜂鸣器短响一次
- delay(20);
- buzzer=1;
- while(!add);
- switch(setNZn)
- {
- case 3:
- timerOn=!timerOn;
- write_1602com(er+13);
- if(timerOn==1)
- {
- write_1602dat('O');
- write_1602dat('N');
- write_1602dat(' ');
- }
- else
- {
- write_1602dat('O');
- write_1602dat('F');
- write_1602dat('F');
- }
- write_1602com(er+13);
- write_1602com(0x0f); //设置光标为闪烁
- break;
- case 2:
- nz_fen++;
- if(nz_fen>=60)
- nz_fen=0;
- write_sfm(10,nz_fen);//令LCD在正确位置显示"加"设定好的分数据
- write_1602com(er+11);//因为设置液晶的模式是写入数据后，指针自动加一，在这里是写回原来的位置
- break;
- case 1:
- nz_shi++;
- if(nz_shi>=24)
- nz_shi=0;
- write_sfm(7,nz_shi);//令LCD在正确的位置显示"加"设定好的小时数据
- write_1602com(er+8);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
- break;
- }
- write_eeprom(); //保存数据
- }
-
- }
- //------------------减键dec，各句功能参照'加键'注释---------------
- if(dec==0)
- {
- delay(10);//调延时，消抖动
- if(dec==0)
- {
- led1=0;
- bltime=0;
-
- buzzer=0;//蜂鸣器短响一次
- delay(20);
- buzzer=1;
- while(!dec);
- switch(setNZn)
- {
- case 3:
- timerOn=!timerOn;
- write_1602com(er+13);
- if(timerOn==1)
- {
- write_1602dat('O');
- write_1602dat('N');
- write_1602dat(' ');
- }
- else
- {
- write_1602dat('O');
- write_1602dat('F');
- write_1602dat('F');
- }
- break;
- case 2:
- nz_fen--;
- if(nz_fen<0)
- nz_fen=59;
- write_sfm(10,nz_fen);
- write_1602com(er+11);//因为设置液晶的模式是写入数据后，指针自动加一，在这里是写回原来的位置
- break;
-
- case 1:
- nz_shi--;
- if(nz_shi<0)
- nz_shi=23;
- write_sfm(7,nz_shi);
- write_1602com(er+8);//因为设置液晶的模式是写入数据后，指针自动加一，所以需要光标回位
- break;
- }
- write_eeprom(); //保存数据
- }
- }
- }
- }
- }
- //-------------------------------
- void init(void) //定时器、计数器设置函数
- {
- TMOD=0x11; //指定定时/计数器的工作方式为3
- TH0=0; //定时器T0的高四位=0
- TL0=0; //定时器T0的低四位=0
- TH1=0x3C;
- TL1=0xB0;
- EA=1; //系统允许有开放的中断
- ET0=1; //允许T0中断
- ET1=1;
- IT1=1;
- IT0=0;
- TR0=1; //开启中断，启动定时器
- TR1=0;
- }
- void alarm(void)
- {
- if(shi==nz_shi&&fen==nz_fen&&miao==0&&NZ_sdgb==1)
- {
- TR1=1;
- }
- if(((shi==nz_shi)&&(fen==(nz_fen+1)))||NZ_sdgb==0)//闹钟手动关闭
- {
- TR1=0;
- buzzer=1;
- }
- if((shi==nz_shi)&&(fen>nz_fen))
- {
- TR1=0;
- buzzer=1;
- NZ_sdgb=1;
- }
- }
- void ZD_baoshi(void)
- {
- buzzer=0;
- delay(5);
- buzzer=1;
- bsn++;
- if(bsn==temp_hour)
- {
- bsn=0;
- baoshi=0;
- }
- }
- //*******************主函数**************************
- //***************************************************
- void main()
- {
- init_eeprom(); //开始初始化保存的数据
- P1=0xff;
- flag=ReadTemperature()-5;
- // delay(2000);
- lcd_init(); //调用液晶屏初始化子函数
- ds1302_init(); //调用DS1302时钟的初始化子函数
- init(); //调用定时计数器的设置子函数
- led1=0; //打开LCD的背光电源
- buzzer=0; //蜂鸣器长响一次
- delay(100);
- buzzer=1;
- // init_eeprom();
- while(1) //无限循环下面的语句：
- {
- keyscan(); //调用键盘扫描子函数
- led=led1;
- if(timerOn==1)
- alarm(); //闹钟输出
- if((fen==0)&&(miao==0))
- {
- if(shi>12)
- temp_hour=shi-12;
- else
- {
- if(shi==0)
- temp_hour=12;
- else
- temp_hour=shi;
- }
- shangyimiao=miao;
- baoshi=1;
- }
- if(baoshi==1)
- {
- ZD_baoshi();
- do
- keyscan();
- while(shangyimiao==miao);
- shangyimiao=miao;
- }
- }
- }
- void timer0() interrupt 1 //取得并显示日历和时间
- {
- //Init_DS18B20();//温度传感器DS18b2初始化子函数，在头文件中
- // flag=ReadTemperature();//将18b2头文件运行返回的函数结果送到变量FLAG中，用于显示
- //读取秒时分周日月年七个数据（DS1302的读寄存器与写寄存器不一样）：
-
- miao = BCD_Decimal(read_1302(0x81));
- fen = BCD_Decimal(read_1302(0x83));
- shi = BCD_Decimal(read_1302(0x85));
- ri = BCD_Decimal(read_1302(0x87));
- yue = BCD_Decimal(read_1302(0x89));
- nian=BCD_Decimal(read_1302(0x8d));
- //week=BCD_Decimal(read_1302(0x8b)); //不读取，直接通过日期计算得到
- if((led1==0))
- {
- if(temp_miao!=miao)
- {
- temp_miao=miao;
- bltime++;
- }
- if(bltime==10)
- {
- led1=1;
- bltime=0;
- }
- }
- if(T_NL_NZ==1) //显示农历
- {
- uint nian_temp,temp12;
- temp12=nian;
- nian_temp=2000+(temp12&0xF0)*10+temp12&0x0F;
- if((nian_temp%400==0)||((nian_temp%100!=0)&&(nian_temp%4==0))) //判断是否为闰年
- p_r=1;
- else
- p_r=0;
- Conversion(0,nian,yue,ri);
- write_1602com(er);//时间显示固定符号写入位置?
- for(a=0;a<16;a++)
- {
- if(p_r==0)
- write_1602dat(nlp[a]);//写显示时间固定符号，两个冒号
- else
- write_1602dat(nlr[a]);
- }
- write_nl(3,year_moon);//农历 年
- write_nl(6,month_moon);//农历 月
- write_nl(9,day_moon);//农历 日
- do
- keyscan();
- while(T_NL_NZ==1);
- write_1602com(er);//时间显示固定符号写入位置，从第2个位置后开始显示
- for(a=0;a<16;a++)
- {
- write_1602dat(qk[a]);//写显示时间固定符号，两个冒号
- }
- write_1602com(er);//时间显示固定符号写入位置，从第2个位置后开始显示
- for(a=0;a<8;a++)
- {
- write_1602dat(tab2[a]);//写显示时间固定符号，两个冒号
- }
- }
- if(T_NL_NZ==2) //显示闹钟时间，
- {
- write_1602com(er);//时间显示固定符号写入位置?
- for(a=0;a<16;a++)
- write_1602dat(NZd[a]);//写显示时间固定符号，两个冒号
- write_sfm(7,nz_shi);//农历 年
- write_sfm(10,nz_fen);//农历 月
- write_1602com(er+13);
- if(timerOn==1)
- {
- write_1602dat('O');
- write_1602dat('N');
- write_1602dat(' ');
- }
- else
- {
- write_1602dat('O');
- write_1602dat('F');
- write_1602dat('F');
- }
- do
- keyscan();
- while(T_NL_NZ==2);
- write_1602com(er);//时间显示固定符号写入位置，从第2个位置后开始显示
- for(a=0;a<16;a++)
- {
- write_1602dat(qk[a]);//写显示时间固定符号，两个冒号
- }
- write_1602com(er);//时间显示固定符号写入位置，从第2个位置后开始显示
- for(a=0;a<8;a++)
- {
- write_1602dat(tab2[a]);//写显示时间固定符号，两个冒号
- }
- }
-
- else
- {
- //显示温度、秒、时、分数据：
- if(wd)
- {
- flag=ReadTemperature()-5;
- write_temp(10,flag);//显示温度，从第二行第12个字符后开始显示
- }
- else
- {
- write_1602com(er+12);
- for(a=0;a<4;a++)
- {
- write_1602dat(tm[a]);
- }
- }
- write_sfm(6,miao);//秒，从第二行第8个字后开始显示（调用时分秒显示子函数）
- write_sfm(3,fen);//分，从第二行第5个字符后开始显示
- write_sfm(0,shi);//小时，从第二行第2个字符后开始显示
- }
- //显示日、月、年数据：
- write_nyr(9,ri);//日期，从第二行第9个字符后开始显示
- write_nyr(6,yue);//月份，从第二行第6个字符后开始显示
- write_nyr(3,nian);//年，从第二行第3个字符后开始显示
- Conver_week(nian,yue,ri);
- write_week(week);
- }
- unsigned char count1;
- void timer1() interrupt 3 //取得并显示日历和时间
- {
- TH1=0x3C;
- TL1=0xB0;
- // TR1=1;
- count1++;
- if(count1==10)
- {
- count1=0;
- buzzer=!buzzer;
- }
- }
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