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发一个移植于C51的公历转农历的程序
http://www.geek-workshop.com/thread-12245-1-1.html
万年历制作练习, 开发记录中 ,已基本完成开发,上传了源代码
http://www.geek-workshop.com/thread-12768-1-1.html
一个写得不错的公历转农历程序
http://www.jhmcu.com/yi-ge-xie-de-bu-cuo-di-gong-li-zhuan-nong-li-cheng-xu
- 公历转农历程序:
-
- //公历转农历和星期
- #define uchar unsigned char
- #define uint unsigned int
- #include <intrins.h>
- /*
- 公历年对应的农历数据,每年三字节,
- 格式第一字节BIT7-4 位表示闰月月份,值为0 为无闰月,BIT3-0 对应农历第1-4 月的大小
- 第二字节BIT7-0 对应农历第5-12 月大小,第三字节BIT7 表示农历第13 个月大小
- 月份对应的位为1 表示本农历月大(30 天),为0 表示小(29 天)
- 第三字节BIT6-5 表示春节的公历月份,BIT4-0 表示春节的公历日期
- */
- 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;
- data uchar year_moon,month_moon,day_moon,week;
- /*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 temp;
- switch (month_p)
- {
- case 1:{temp=year_code[table_addr]&0x08;
- if (temp==0)return(0);else return(1);}
- case 2:{temp=year_code[table_addr]&0x04;
- if (temp==0)return(0);else return(1);}
- case 3:{temp=year_code[table_addr]&0x02;
- if (temp==0)return(0);else return(1);}
- case 4:{temp=year_code[table_addr]&0x01;
- if (temp==0)return(0);else return(1);}
- case 5:{temp=year_code[table_addr+1]&0x80;
- if (temp==0) return(0);else return(1);}
- case 6:{temp=year_code[table_addr+1]&0x40;
- if (temp==0)return(0);else return(1);}
- case 7:{temp=year_code[table_addr+1]&0x20;
- if (temp==0)return(0);else return(1);}
- case 8:{temp=year_code[table_addr+1]&0x10;
- if (temp==0)return(0);else return(1);}
- case 9:{temp=year_code[table_addr+1]&0x08;
- if (temp==0)return(0);else return(1);}
- case 10:{temp=year_code[table_addr+1]&0x04;
- if (temp==0)return(0);else return(1);}
- case 11:{temp=year_code[table_addr+1]&0x02;
- if (temp==0)return(0);else return(1);}
- case 12:{temp=year_code[table_addr+1]&0x01;
- if (temp==0)return(0);else return(1);}
- case 13:{temp=year_code[table_addr+2]&0x80;
- if (temp==0)return(0);else return(1);}
- }
- }
- /*
- 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;
- temp1=month/16;
- temp2=month%16;
- month=temp1*10+temp2;
- temp1=day/16;
- temp2=day%16;
- day=temp1*10+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(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;
- temp1=year/16; //BCD->hex 先把数据转换为十六进制
- temp2=year%16;
- year=temp1*10+temp2;
- temp1=month/16;
- temp2=month%16;
- month=temp1*10+temp2;
- temp1=day/16;
- temp2=day%16;
- day=temp1*10+temp2;
- if (c==0){year+=0x64;} //如果为21世纪,年份数加100
- temp1=year/0x4; //所过闰年数只算1900年之后的
- temp2=year+temp1;
- temp2=temp2%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
- temp2=temp2+day+table_week[month-1];
- if (year%0x4==0&&month<3)temp2-=1;
- week=temp2%0x7;
- }
- //=========================================
- //TEST
- //=========================================
- uchar c_sun,year_sun,month_sun,day_sun;
- //主程序
- void main()
- {
- c_sun=1;
- year_sun=0x2;
- month_sun=0x11;
- day_sun=0x3;
- Conver_week(c_sun,year_sun,month_sun,day_sun);
- Conversion(c_sun,year_sun,month_sun,day_sun);
- while(1);
- }
-
- 这个公历转农历算法,可以直接应用在单片机设计的数码钟上,只要调用Conversion(); 函数,传递公历的日期(BCD码),就可以输出农历的日期(BCD码)。很简单就可以应用到自己设计的单片机系统中。
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