<li id="8g3ty"><tbody id="8g3ty"><th id="8g3ty"></th></tbody></li>
    <label id="8g3ty"><samp id="8g3ty"></samp></label>
  • <span id="8g3ty"></span>

    1. <center id="8g3ty"><optgroup id="8g3ty"></optgroup></center>
    2. <bdo id="8g3ty"><meter id="8g3ty"><bdo id="8g3ty"></bdo></meter></bdo><center id="8g3ty"><optgroup id="8g3ty"></optgroup></center>
      <label id="8g3ty"><samp id="8g3ty"></samp></label>

    3. 電子開發網

      電子開發網電子設計 | 電子開發網Rss 2.0 會員中心 會員注冊
      搜索: 您現在的位置: 電子開發網 >> 電子開發 >> 單片機實例 >> 正文

      51單片機設計電子鐘,單片機時鐘程序(c語言)

      作者:佚名    文章來源:本站原創    點擊數:    更新時間:2018-12-31

      //51單片機設計電子鐘,單片機時鐘程序(c語言)

      51單片機設計電子鐘 
      51單片機設計電子鐘pcb圖 

      #include<reg52.h>
      //#include"DS18B20_3.H"
      #include <string.h>
      #include <intrins.h>
      #define uint unsigned int
      #define uchar unsigned char
      #define wd 1                                //定義是否有溫度功能  =0時無溫度,=1時有溫度
      #include "eeprom52.h"

      #define yh 0x80 //LCD第一行的初始位置,因為LCD1602字符地址首位D7恒定為1(100000000=80)
      #define er 0x80+0x40 //LCD第二行初始位置(因為第二行第一個字符位置地址是0x40)

      //液晶屏的與C51之間的引腳連接定義(顯示數據線接C51的P0口)
      sbit en=P2^7;
      sbit rw=P2^6;   //如果硬件上rw接地,就不用寫這句和后面的rw=0了
      sbit rs=P2^5;


      //校時按鍵與C51的引腳連接定義

      sbit set=P3^0;          //設置鍵
      sbit add=P3^1;          //加鍵
      sbit dec=P3^2;          //減鍵
      sbit seeNL_NZ=P3^3;        //查看農歷/鬧鐘

      sbit DQ=P3^7;                //
      sbit buzzer=P2^0;        //蜂鳴器,通過三極管8550驅動,端口低電平響

      sbit led=P2^4;                 //LCD背光開關
      bit  led1=1;
      bit NZ_sdgb=1;
      unsigned char temp_miao;
      unsigned char bltime;  //背光亮的時間

      //DS1302時鐘芯片與C51之間的引腳連接定義
      sbit IO=P1^1;
      sbit SCLK=P1^0;
      sbit RST=P1^2;


      char a,miao,shi,fen,ri,yue,week,setn;
      int temp,nian;
      uint flag;
      //flag用于讀取頭文件中的溫度值,和顯示溫度值
      bit c_moon;

      char nz_shi,nz_fen,setNZn;            //定義鬧鐘變量
      uchar shangyimiao,bsn,temp_hour;                        //記錄上一秒時間
      uchar T_NL_NZ;                                                        //計數器
      bit timerOn=0;                                                        //鬧鐘啟用標志位
      bit baoshi=0;                                                        //整點報時標志位
      bit  p_r=0;                                                                 //平年/潤年  =0表示平年,=1表示潤年
      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可以位尋址。

      累加器ACC是一個8位的存儲單元,是用來放數據的。但是,這個存儲單元有其特殊的地位,
      是單片機中一個非常關鍵的單元,很多運算都要通過ACC來進行。以后在學習指令時,
      常用A來表示累加器。但有一些地方例外,比如在PUSH指令中,就必須用ACC這樣的名字。
      一般的說法,A代表了累加器中的內容、而ACC代表的是累加器的地址。
      ***************************************************************/

      /******************把數據保存到單片機內部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);       
      }

      /******************把數據從單片機內部eeprom中讀出來*****************/
      void read_eeprom()
      {
              nz_shi   = byte_read(0x2000);
              nz_fen = byte_read(0x2001);
              timerOn = byte_read(0x2002);
              a_a      = byte_read(0x2060);
      }

      /**************開機自檢eeprom初始化*****************/
      void init_eeprom()
      {
              read_eeprom();                //先讀
              if(a_a != 1)                //新的單片機初始單片機內問eeprom
              {
                      nz_shi   = 12;
                      nz_fen = 30;
                      timerOn=0;
                      a_a = 1;
                      write_eeprom();           //保存數據
              }       
      }

      //********陽歷轉換陰歷表************************************
      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
      };

      ///月份數據表
      code uchar day_code1[9]={0x0,0x1f,0x3b,0x5a,0x78,0x97,0xb5,0xd4,0xf3};
      code uint day_code2[3]={0x111,0x130,0x14e};

      /*
      函數功能:輸入BCD陽歷數據,輸出BCD陰歷數據(只允許1901-2099年)
      調用函數示例:Conversion(c_sun,year_sun,month_sun,day_sun)
      如:計算2004年10月16日Conversion(0,0x4,0x10,0x16);
      c_sun,year_sun,month_sun,day_sun均為BCD數據,c_sun為世紀標志位,c_sun=0為21世
      紀,c_sun=1為19世紀
      調用函數后,原有數據不變,讀c_moon,year_moon,month_moon,day_moon得出陰歷BCD數據
      */

      bit c_moon;
      //子函數,用于讀取數據表中農歷月的大月或小月,如果該月為大返回1,為小返回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);
          }
      }

      /*
      函數功能:輸入BCD陽歷數據,輸出BCD陰歷數據(只允許1901-2099年)
      調用函數示例:Conversion(c_sun,year_sun,month_sun,day_sun)
      如:計算2004年10月16日Conversion(0,0x4,0x10,0x16);
      c_sun,year_sun,month_sun,day_sun均為BCD數據,c_sun為世紀標志位,c_sun=0為21世
      紀,c_sun=1為19世紀
      調用函數后,原有數據不變,讀c_moon,year_moon,month_moon,day_moon得出陰歷BCD數據
      */

      void Conversion(bit c,uchar year,uchar month,uchar day)
      {                         //c=0 為21世紀,c=1 為19世紀 輸入輸出數據均為BCD數據
          uchar temp1,temp2,temp3,month_p;
          uint temp4,table_addr;
          bit flag2,flag_y;
          temp1=year/16;   //BCD->hex 先把數據轉換為十六進制
          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;
          //定位數據表地址
          if(c==0){                  
              table_addr=(year+0x64-1)*0x3;
          }
          else {
              table_addr=(year-1)*0x3;
          }
          //定位數據表地址完成
          //取當年春節所在的公歷月份
          temp1=year_code[table_addr+2]&0x60;
          temp1=_cror_(temp1,5);
          //取當年春節所在的公歷月份完成
          //取當年春節所在的公歷日
          temp2=year_code[table_addr+2]&0x1f;
          //取當年春節所在的公歷日完成
          // 計算當年春年離當年元旦的天數,春節只會在公歷1月或2月
          if(temp1==0x1){ 
              temp3=temp2-1; 
          } 
          else{
              temp3=temp2+0x1f-1;       
          }
          // 計算當年春年離當年元旦的天數完成
          //計算公歷日離當年元旦的天數,為了減少運算,用了兩個表
          //day_code1[9],day_code2[3]
          //如果公歷月在九月或前,天數會少于0xff,用表day_code1[9],
          //在九月后,天數大于0xff,用表day_code2[3]
          //如輸入公歷日為8月10日,則公歷日離元旦天數為day_code1[8-1]+10-1
          //如輸入公歷日為11月10日,則公歷日離元旦天數為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)){  //如果公歷月大于2月并且該年的2月為閏月,天數加1
              temp4+=1;
          }
          //計算公歷日離當年元旦的天數完成
          //判斷公歷日在春節前還是春節后
          if (temp4>=temp3){ //公歷日在春節后或就是春節當日使用下面代碼進行運算
              temp4-=temp3;
              month=0x1;
              month_p=0x1;  //month_p為月份指向,公歷日在春節前或就是春節當日month_p指向首月
              flag2=get_moon_day(month_p,table_addr); //檢查該農歷月為大小還是小月,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);  //從數據表中取該年的閏月月份,如為0則該年無閏月
              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{  //公歷日在春節前使用下面代碼進行運算
              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為月份指向,如果當年有閏月,一年有十三個月,月指向13,無閏月指向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 ,運算結束后,把數據轉換為BCD數據
          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;
      }


      /*
      函數功能:輸入BCD陽歷數據,輸出BCD星期數據(只允許1901-2099年)
      調用函數示例:Conver_week(c_sun,year_sun,month_sun,day_sun)
      如:計算2004年10月16日Conversion(0,0x4,0x10,0x16);
      c_sun,year_sun,month_sun,day_sun均為BCD數據,c_sun為世紀標志位,c_sun=0為21世
      紀,c_sun=1為19世紀
      調用函數后,原有數據不變,讀week得出陰歷BCD數據
      */
      code uchar table_week[12]={0,3,3,6,1,4,6,2,5,0,3,5}; //月修正數據表
      /*
      算法:日期+年份+所過閏年數+月較正數之和除7 的余數就是星期但如果是在
      閏年又不到3 月份上述之和要減一天再除7
      星期數為0
      */
      void Conver_week(uchar year,uchar month,uchar day)
      {//c=0 為21世紀,c=1 為19世紀 輸入輸出數據均為BCD數據
          uchar p1,p2;
          year+=0x64;  //如果為21世紀,年份數加100
          p1=year/0x4;  //所過閏年數只算1900年之后的
          p2=year+p1;
          p2=p2%0x7;  //為節省資源,先進行一次取余,避免數大于0xff,避免使用整型數據
          p2=p2+day+table_week[month-1];
          if (year%0x4==0&&month<3)p2-=1;
          week=p2%0x7;
      }


      /**************************************************************/

      uchar code tab1[]={"20  -  -   "};         //年顯示的固定字符
      uchar code tab2[]={"  :  :  "};                //時間顯示的固定字符
      uchar code nlp[]={"NL:  -  -   PING"};        //農歷平年顯示
      uchar code nlr[]={"NL:  -  -   RUN "};        //農歷潤年顯示
      uchar code NZd[]={"timer:   :      "};        //顯示鬧鐘固定點
      uchar code qk[]= {"                "};        //清空顯示
      uchar code tm[]= {"time"};

       

      //=====================DS18B20=============================================
      //******************************************************************************
      void Delayns(int num)//延時函數
      {
              while(num--);
      }       


      //******************************************************************************
      void Init_DS18B20(void)//初始化ds1820
      {
              unsigned char x=0;
              DQ = 1;    //DQ復位
              Delayns(8);  //稍做延時
              DQ = 0;    //單片機將DQ拉低
              Delayns(80); //精確延時 大于 480us
              DQ = 1;    //拉高總線
              Delayns(14);
              x=DQ;      //稍做延時后 如果x=0則初始化成功 x=1則初始化失敗
              Delayns(20);
      }
      //******************************************************************************
      unsigned char ReadOneChar(void)//讀一個字節
      {
              unsigned char i=0;
              unsigned char dat = 0;
              for (i=8;i>0;i--)
              {
                      DQ = 0; // 給脈沖信號
                      dat>>=1;
                      DQ = 1; // 給脈沖信號
                      if(DQ)
                      dat|=0x80;
                      Delayns(4);
              }
              return(dat);
      }

      //******************************************************************************
      void WriteOneChar(unsigned char dat)//寫一個字節
      {
              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)//讀取溫度
      {
              unsigned char a=0;
              unsigned char b=0;
              unsigned int t=0;
              float tt=0;
              Init_DS18B20();
              WriteOneChar(0xCC); // 跳過讀序號列號的操作
              WriteOneChar(0x44); // 啟動溫度轉換
              Init_DS18B20();
              WriteOneChar(0xCC); //跳過讀序號列號的操作
              WriteOneChar(0xBE); //讀取溫度寄存器
              a=ReadOneChar();  //讀低8位
              b=ReadOneChar(); //讀高8位
              t=b;
              t<<=8;
              t=t|a;
              tt=t*0.0625;
              t= tt*10+0.5; //放大10倍輸出并四舍五入
              return(t);
      }
      //*****************************************************************************

       

      //延時函數,后面經常調用
      void delay(uint xms)//延時函數,有參函數
      {
              uint x,y;
              for(x=xms;x>0;x--)
               for(y=110;y>0;y--);
      }

      /********液晶寫入指令函數與寫入數據函數,以后可調用**************/

      /*在這個程序中,液晶寫入有關函數會在DS1302的函數中調用,所以液晶程序要放在前面*/

      void write_1602com(uchar com)//****液晶寫入指令函數****
      {
              rs=0;//數據/指令選擇置為指令
              rw=0; //讀寫選擇置為寫
              P0=com;//送入數據
              delay(1);
              en=1;//拉高使能端,為制造有效的下降沿做準備
              delay(1);
              en=0;//en由高變低,產生下降沿,液晶執行命令
      }


      void write_1602dat(uchar dat)//***液晶寫入數據函數****
      {
              rs=1;//數據/指令選擇置為數據
              rw=0; //讀寫選擇置為寫
              P0=dat;//送入數據
              delay(1);
              en=1; //en置高電平,為制造下降沿做準備
              delay(1);
              en=0; //en由高變低,產生下降沿,液晶執行命令
      }


      void lcd_init()//***液晶初始化函數****
      {
              write_1602com(0x38);//設置液晶工作模式,意思:16*2行顯示,5*7點陣,8位數據
              write_1602com(0x0c);//開顯示不顯示光標
              write_1602com(0x06);//整屏不移動,光標自動右移
              write_1602com(0x01);//清顯示

              write_1602com(yh+1);//日歷顯示固定符號從第一行第1個位置之后開始顯示
              for(a=0;a<14;a++)
              {
              write_1602dat(tab1[a]);//向液晶屏寫日歷顯示的固定符號部分
              //delay(3);
              }
              write_1602com(er);//時間顯示固定符號寫入位置,從第2個位置后開始顯示
              for(a=0;a<8;a++)
              {
              write_1602dat(tab2[a]);//寫顯示時間固定符號,兩個冒號
              //delay(3);
              }

      }

      /*********************over***********************/


      /***************DS1302有關子函數********************/
      void write_byte(uint dat)//寫一個字節
      {
              ACC=dat;
              RST=1;
              for(a=8;a>0;a--)
              {
                      IO=ACC0;
                      SCLK=0;
                      SCLK=1;
                      ACC=ACC>>1;
              }
      }
      uint read_byte()//讀一個字節
      {
              RST=1;
              for(a=8;a>0;a--)
              {
                      ACC7=IO;
                      SCLK=1;
                      SCLK=0;
                      ACC=ACC>>1;
              }
              return (ACC);
      }
      //----------------------------------------
      void write_1302(uint add,uint dat)//向1302芯片寫函數,指定寫入地址,數據
      {
              RST=0;
              SCLK=0;
              RST=1;
              write_byte(add);
              write_byte(dat);
              SCLK=1;
              RST=0;
      }
      uint read_1302(uint add)//從1302讀數據函數,指定讀取數據來源地址
      {
              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碼轉十進制函數,輸入BCD,返回十進制
      {
      //         uchar Decimal;
      //         Decimal=bcd>>4;
               return((bcd>>4)*10+(bcd&0x0F));
      }

      //--------------------------------------
      void ds1302_init() //1302芯片初始化子函數(2010-01-07,12:00:00,week4)
      {
              RST=0;
              SCLK=0;
             
              write_1302(0x8e,0x00); //允許寫,禁止寫保護
              //write_1302(0x80,0x00); //向DS1302內寫秒寄存器80H寫入初始秒數據00
              //write_1302(0x82,0x00);//向DS1302內寫分寄存器82H寫入初始分數據00
              //write_1302(0x84,0x12);//向DS1302內寫小時寄存器84H寫入初始小時數據12
              //write_1302(0x8a,0x04);//向DS1302內寫周寄存器8aH寫入初始周數據4
              //write_1302(0x86,0x07);//向DS1302內寫日期寄存器86H寫入初始日期數據07
              //write_1302(0x88,0x01);//向DS1302內寫月份寄存器88H寫入初始月份數據01
              //write_1302(0x8c,0x17);//向DS1302內寫年份寄存器8cH寫入初始年份數據17
              write_1302(0x8e,0x80); //打開寫保護
      }


      //------------------------------------
      //溫度顯示子函數
      void write_temp(uchar add,uint dat)//向LCD寫溫度數據,并指定顯示位置
      {
              uint gw,sw,bw;
              bw=dat/100;//取得百位
              sw=dat%100/10;//取得十位數字
              gw=dat%10;//取得個位數字
              write_1602com(er+add);//er是頭文件規定的值0x80+0x40
              write_1602dat(0x30+bw);
              write_1602dat(0x30+sw);//數字+30得到該數字的LCD1602顯示碼
              write_1602dat('.');
              write_1602dat(0x30+gw);//數字+30得到該數字的LCD1602顯示碼
          write_1602dat(0xdf);//顯示溫度的小圓圈符號,0xdf是液晶屏字符庫的該符號地址碼
                write_1602dat(0x43);        //顯示"C"符號,0x43是液晶屏字符庫里大寫C的地址碼               
      }

      //------------------------------------
      //時分秒顯示子函數
      void write_sfm(uchar add,uchar dat)//向LCD寫時分秒,有顯示位置加、現示數據,兩個參數
      {
              uchar gw,sw;
              gw=dat%10;//取得個位數字
              sw=dat/10;//取得十位數字
              write_1602com(er+add);//er是頭文件規定的值0x80+0x40
              write_1602dat(0x30+sw);//數字+30得到該數字的LCD1602顯示碼
              write_1602dat(0x30+gw);//數字+30得到該數字的LCD1602顯示碼                               
      }

      //-------------------------------------
      //年月日顯示子函數
      void write_nyr(uchar add,uchar dat)//向LCD寫年月日,有顯示位置加數、顯示數據,兩個參數
      {
              uchar gw,sw;
              gw=dat%10;//取得個位數字
              sw=dat/10;//取得十位數字
              write_1602com(yh+add);//設定顯示位置為第一個位置+add
              write_1602dat(0x30+sw);//數字+30得到該數字的LCD1602顯示碼
              write_1602dat(0x30+gw);//數字+30得到該數字的LCD1602顯示碼       
      }


      //------------------------------------
      //農歷顯示子函數
      void write_nl(uchar add,uchar dat)//向LCD寫時分秒,有顯示位置加、現示數據,兩個參數
      {
             
              uchar gw,sw;
              //gw=dat%10;//取得個位數字
              //sw=dat/10;//取得十位數字
              gw=dat%16;//取得個位數字
              sw=dat/16;//取得十位數字
              write_1602com(er+add);//er是頭文件規定的值0x80+0x40
      //        write_1602dat(0x30+sw);//數字+30得到該數字的LCD1602顯示碼
      //        write_1602dat(0x30+gw);//數字+30得到該數字的LCD1602顯示碼       
              write_1602dat('0'+sw);//數字+30得到該數字的LCD1602顯示碼
              write_1602dat('0'+gw);//數字+30得到該數字的LCD1602顯示碼               
      }

      //-------------------------------------------
      void write_week(uchar week)//寫星期函數
      {
              write_1602com(yh+0x0c);//星期字符的顯示位置
              switch(week)
              {
                      case 1:write_1602dat('M');//星期數為1時,顯示
                                 write_1602dat('O');
                                 write_1602dat('N');
                                 break;
                
                      case 2:write_1602dat('T');//星期數據為2時顯示
                                 write_1602dat('U');
                                 write_1602dat('E');
                                 break;
                     
                      case 3:write_1602dat('W');//星期數據為3時顯示
                                 write_1602dat('E');
                                 write_1602dat('D');
                                 break;
                     
                      case 4:write_1602dat('T');//星期數據為4是顯示
                                 write_1602dat('H');
                                 write_1602dat('U');
                                 break;
                     
                      case 5:write_1602dat('F');//星期數據為5時顯示
                                 write_1602dat('R');
                                 write_1602dat('I');
                                 break;
                     
                      case 6:write_1602dat('S');//星期數據為6時顯示
                                 write_1602dat('T');
                                 write_1602dat('A');
                                 break;
                     
                      case 0:write_1602dat('S');//星期數據為7時顯示
                                 write_1602dat('U');
                                 write_1602dat('N');
                                 break;
              }
      }


      //****************鍵盤掃描有關函數**********************
      void keyscan()
      {
              if(TR1==1&&setn==0&&setNZn==0&&(add==0||dec==0))
              NZ_sdgb=0;
              if(led1==1)                                                                         //背光暗時,按下任意按鍵打開背光
              {
                      if(seeNL_NZ==0||set==0||add==0||dec==0)
                      led1=0;
              }
              else if(led1==0)
              {
                      if(seeNL_NZ==0)
                      {
                              delay(9);
                              if(seeNL_NZ==0)
                              {
                                      led1=0;
                                      bltime=0;
      //                                NZ_sdgb=0;
                                      if((setn==0)&&(setNZn==0))                                                                //在沒有進入調時模式時才可按動
                                      {
                                              buzzer=0;//蜂鳴器短響一次
                                          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)//---------------set為功能鍵(設置鍵)--------------------
                      {
                              delay(9);//延時,用于消抖動
                              if(set==0)//延時后再次確認按鍵按下
                              {
                                      led1=0;
                                      bltime=0;
      //                                NZ_sdgb=0;
                                  buzzer=0;//蜂鳴器短響一次
                                  delay(20);
                                  buzzer=1;
                                      while(!set);
                                      if(T_NL_NZ==0x02)                        //證明是對鬧鐘進行設置
                                      {
                                              setNZn++;
                                              if(setNZn==4)                        //鬧鐘設定成功,退回到正常顯示并開啟鬧鐘
                                              {
                                                      setNZn=0;
                                                      setn=0;
      //                                                timerOn=1;                               
                                              }
                                              switch(setNZn)
                                              {
                                                      case 0:                                                //正常顯示日期時間
                                                              write_1602com(0x0c);        //設置光標不閃?
                                                              write_1602com(er);                //時間顯示固定符號寫入位置?
                                                              for(a=0;a<16;a++)
                                                              write_1602dat(NZd[a]);        //寫顯示時間固定符號,兩個冒號
                                                             
                                                              write_sfm(7,nz_shi);        //鬧鐘 時
                                                              write_sfm(10,nz_fen);        //鬧鐘 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);        //鬧鐘 秒
                                                              break;
                                                      case 1:                                                   //鬧鐘時光標閃爍               
                                                              write_1602com(er+8);        //設置按鍵按動一次,小時位置顯示光標   //er+0x09;
                                                                 write_1602com(0x0f);        //設置光標為閃爍
                                                              break;
                                                      case 2:                                                //鬧鐘分光標閃爍       
                                                              write_1602com(er+11);        //設置按鍵按動一次,位置顯示光標   //er+0x09;
                                                                 write_1602com(0x0f);        //設置光標為閃爍
                                                              break;
                                                      case 3:                                                //鬧鐘光標閃爍       
                                                                 write_1602com(0x0c);        //設置光標為不閃爍
                                                              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;       
                                              }       
                                      }
             
                                      else                                                                //證明是對時間及日期進行設置
                                      {
                                              if(T_NL_NZ==0)
                                              {
                                                      setn++;
                                                      if(setn==7)
                                                              setn=0;                        //設置按鍵共有秒、分、時、星期、日、月、年、返回,8個功能循環
                                                      switch(setn)
                                                      {
                                                              case 1: TR0=0;//關閉定時器
                                                              //TR1=0;
                                                              write_1602com(er+7);//設置按鍵按動一次,秒位置顯示光標   //er+0x09;
                                                                 write_1602com(0x0f);//設置光標為閃爍
                                                        /*         temp=(miao)/10*16+(miao)%10;//秒數據寫入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位置顯示光標   //er+0x06       
                                                                   //write_1602com(0x0f);
                                                              break;
                                                              case 3:
                                                              write_1602com(er+1);   //按動3次,shi
                                                           //write_1602com(0x0f);
                                                              break;
                                                      //        case 4: write_1602com(yh+0x0e);//按動4次,week
                                                           //write_1602com(0x0f);
                                                      //        break;
                                                              case 4: write_1602com(yh+0x0a);//按動4次,ri
                                                           //write_1602com(0x0f);
                                                              break;
                                                              case 5: write_1602com(yh+0x07);//按動5次,yue
                                                           //write_1602com(0x0f);
                                                              break;
                                                              case 6: write_1602com(yh+0x04);//按動6次,nian
                                                           //write_1602com(0x0f);
                                                              break;
                                                              case 0:
                                                              write_1602com(0x0c);//按動到第7次,設置光標不閃爍
                                                              TR0=1;//打開定時器
                                                       temp=(miao)/10*16+(miao)%10;
                                                                 write_1302(0x8e,0x00);
                                                                 write_1302(0x80,0x00|temp);//miao數據寫入DS1302
                                                                 write_1302(0x8e,0x80);
                                                  break;       
                                                      }                                                                                                       
                                              }
                                      }
                              }
                      }
              //------------------------------加鍵add----------------------------               
                      if((setn!=0)&&(setNZn==0))//當set按下以下。再按以下鍵才有效(按鍵次數不等于零)
                      {
                              if(add==0)  //上調鍵
                              {
                                      delay(10);
                                      if(add==0)
                                      {
                                              led1=0;
                                              bltime=0;
             
                                          buzzer=0;//蜂鳴器短響一次
                                          delay(20);
                                          buzzer=1;
                                              while(!add);
                                              switch(setn)
                                              {
                                                      case 1:miao++;//設置鍵按動1次,調秒
                                                                      if(miao>=60)
                                                                              miao=0;//秒超過59,再加1,就歸零
                                                                      write_sfm(0x06,miao);//令LCD在正確位置顯示"加"設定好的秒數
                                                                      temp=(miao)/10*16+(miao)%10;//十進制轉換成DS1302要求的DCB碼
                                                                         write_1302(0x8e,0x00); //允許寫,禁止寫保護
                                                                         write_1302(0x80,temp); //向DS1302內寫秒寄存器80H寫入調整后的秒數據BCD碼
                                                                         write_1302(0x8e,0x80); //打開寫保護
                                                                      write_1602com(er+7);//因為設置液晶的模式是寫入數據后,光標自動右移,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在正確位置顯示"加"設定好的分數據
                                                                      temp=(fen)/10*16+(fen)%10;//十進制轉換成DS1302要求的DCB碼
                                                                         write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                         write_1302(0x82,temp);//向DS1302內寫分寄存器82H寫入調整后的分數據BCD碼
                                                                         write_1302(0x8e,0x80);//打開寫保護
                                                                      write_1602com(er+4);//因為設置液晶的模式是寫入數據后,指針自動加一,在這里是寫回原來的位置
                                                                      break;
                                                      case 3:shi++;
                                                                      if(shi>=24)
                                                                              shi=0;
                                                                      write_sfm(0x00,shi);//令LCD在正確的位置顯示"加"設定好的小時數據
                                                                      temp=(shi)/10*16+(shi)%10;//十進制轉換成DS1302要求的DCB碼
                                                                         write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                         write_1302(0x84,temp);//向DS1302內寫小時寄存器84H寫入調整后的小時數據BCD碼
                                                                         write_1302(0x8e,0x80);//打開寫保護
                                                                      write_1602com(er+1);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                                                      break;
                                                      /*
                                                      case 4:week++;
                                                                      if(week==8)
                                                                              week=1;
                                                          write_1602com(yh+0x0C);//指定'加'后的周數據顯示位置
                                                                              write_week(week);//指定周數據顯示內容
                                                          temp=(week)/10*16+(week)%10;//十進制轉換成DS1302要求的DCB碼
                                                                         write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                         write_1302(0x8a,temp);//向DS1302內寫周寄存器8aH寫入調整后的周數據BCD碼
                                                                         write_1302(0x8e,0x80);//打開寫保護
                                                                         write_1602com(yh+0x0e);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                                                      break;
                                                      */
                                                      case 4:ri++;
                                                                      if(ri>=32)
                                                                              ri=1;
                                                                      Conver_week(nian,yue,ri);
                                                                      write_week(week);
                                                                      write_nyr(9,ri);//令LCD在正確的位置顯示"加"設定好的日期數據
                                                                      temp=(ri)/10*16+(ri)%10;//十進制轉換成DS1302要求的DCB碼
                                                                         write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                         write_1302(0x86,temp);//向DS1302內寫日期寄存器86H寫入調整后的日期數據BCD碼
                                                                         write_1302(0x8e,0x80);//打開寫保護
                                                                      write_1602com(yh+10);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                             
                                                                      break;
                                                      case 5:yue++;
                                                                      if(yue>=13)
                                                                              yue=1;
                                                                      Conver_week(nian,yue,ri);
                                                                      write_week(week);
                                                                      write_nyr(6,yue);//令LCD在正確的位置顯示"加"設定好的月份數據
                                                                      temp=(yue)/10*16+(yue)%10;//十進制轉換成DS1302要求的DCB碼
                                                                         write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                         write_1302(0x88,temp);//向DS1302內寫月份寄存器88H寫入調整后的月份數據BCD碼
                                                                         write_1302(0x8e,0x80);//打開寫保護
                                                                      write_1602com(yh+7);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                             
                                                                      break;
                                                      case 6:nian++;
                                                               if(nian>=100)
                                                                      nian=0;
                                                                      Conver_week(nian,yue,ri);
                                                                      write_week(week);
                                                                      write_nyr(3,nian);//令LCD在正確的位置顯示"加"設定好的年份數據
                                                          temp=(nian)/10*16+(nian)%10;//十進制轉換成DS1302要求的DCB碼
                                                                         write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                         write_1302(0x8c,temp);//向DS1302內寫年份寄存器8cH寫入調整后的年份數據BCD碼
                                                                         write_1302(0x8e,0x80);//打開寫保護
                                                                      write_1602com(yh+4);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                             
                                                                      break;
                                              }
                                      }
                     
                              }
                              //------------------減鍵dec,各句功能參照'加鍵'注釋---------------
                              if(dec==0)
                              {
                                      delay(10);//調延時,消抖動
                                      if(dec==0)
                                      {
                                              led1=0;
                                              bltime=0;
             
                                          buzzer=0;//蜂鳴器短響一次
                                          delay(20);
                                          buzzer=1;
                                              while(!dec);
                                              switch(setn)
                                              {
                                                      case 1:
                                                              miao--;
                                                              if(miao<0)
                                                                      miao=59;//秒數據減到-1時自動變成59
                                                              write_sfm(0x06,miao);//在LCD的正確位置顯示改變后新的秒數
                                                  temp=(miao)/10*16+(miao)%10;//十進制轉換成DS1302要求的DCB碼
                                                                 write_1302(0x8e,0x00); //允許寫,禁止寫保護
                                                                 write_1302(0x80,temp); //向DS1302內寫秒寄存器80H寫入調整后的秒數據BCD碼
                                                                 write_1302(0x8e,0x80); //打開寫保護
                                                              write_1602com(er+7);//因為設置液晶的模式是寫入數據后,指針自動加一,在這里是寫回原來的位置
                                                              //write_1602com(0x0b);
                                                              break;
                                                      case 2:
                                                              fen--;
                                                              if(fen<0)
                                                              fen=59;
                                                              write_sfm(3,fen);
                                                              temp=(fen)/10*16+(fen)%10;//十進制轉換成DS1302要求的DCB碼
                                                                 write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                 write_1302(0x82,temp);//向DS1302內寫分寄存器82H寫入調整后的分數據BCD碼
                                                                 write_1302(0x8e,0x80);//打開寫保護
                                                              write_1602com(er+4);//因為設置液晶的模式是寫入數據后,指針自動加一,在這里是寫回原來的位置
                                                              break;
                     
                                                      case 3:
                                                              shi--;
                                                                if(shi<0)
                                                              shi=23;
                                                              write_sfm(0,shi);
                                                              temp=(shi)/10*16+(shi)%10;//十進制轉換成DS1302要求的DCB碼
                                                                 write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                 write_1302(0x84,temp);//向DS1302內寫小時寄存器84H寫入調整后的小時數據BCD碼
                                                                 write_1302(0x8e,0x80);//打開寫保護
                                                              write_1602com(er+1);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                                              break;
                                      /*
                                      case 4:week--;
                                                      if(week==0)
                                                              week=7;
                                              
                                  write_1602com(yh+0x0C);//指定'加'后的周數據顯示位置
                                                      write_week(week);//指定周數據顯示內容
                                                 temp=(week)/10*16+(week)%10;//十進制轉換成DS1302要求的DCB碼
                                                 write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                 write_1302(0x8a,temp);//向DS1302內寫周寄存器8aH寫入調整后的周數據BCD碼
                                                 write_1302(0x8e,0x80);//打開寫保護
                                                 write_1602com(yh+0x0e);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                              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;//十進制轉換成DS1302要求的DCB碼
                                                                 write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                 write_1302(0x86,temp);//向DS1302內寫日期寄存器86H寫入調整后的日期數據BCD碼
                                                                 write_1302(0x8e,0x80);//打開寫保護
                                                              write_1602com(yh+10);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位               
                                                              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;//十進制轉換成DS1302要求的DCB碼
                                                                 write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                 write_1302(0x88,temp);//向DS1302內寫月份寄存器88H寫入調整后的月份數據BCD碼
                                                                 write_1302(0x8e,0x80);//打開寫保護
                                                              write_1602com(yh+7);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                     
                                                              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;//十進制轉換成DS1302要求的DCB碼
                                                                 write_1302(0x8e,0x00);//允許寫,禁止寫保護
                                                                 write_1302(0x8c,temp);//向DS1302內寫年份寄存器8cH寫入調整后的年份數據BCD碼
                                                                 write_1302(0x8e,0x80);//打開寫保護
                                                              write_1602com(yh+4);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                                              break;
                                                                             
                                              }
                                      }
                              }
                      }
                      if((setNZn!=0)&&(setn==0))
                      {
                              if(add==0)  //上調鍵
                              {
                                      delay(10);
                                      if(add==0)
                                      {
                                              led1=0;
                                              bltime=0;
             
                                          buzzer=0;//蜂鳴器短響一次
                                          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');
                                                              }
                                                              break;
                                                      case 2:
                                                              nz_fen++;
                                                              if(nz_fen>=60)
                                                                      nz_fen=0;
                                                              write_sfm(10,nz_fen);//令LCD在正確位置顯示"加"設定好的分數據
                                                              write_1602com(er+11);//因為設置液晶的模式是寫入數據后,指針自動加一,在這里是寫回原來的位置
                                                              break;
                                                      case 1:
                                                              nz_shi++;
                                                              if(nz_shi>=24)
                                                                      nz_shi=0;
                                                              write_sfm(7,nz_shi);//令LCD在正確的位置顯示"加"設定好的小時數據
                                                              write_1602com(er+8);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                                              break;
                                              }
                                              write_eeprom();                           //保存數據
                                      }
                     
                              }
                              //------------------減鍵dec,各句功能參照'加鍵'注釋---------------
                              if(dec==0)
                              {
                                      delay(10);//調延時,消抖動
                                      if(dec==0)
                                      {
                                              led1=0;
                                              bltime=0;
             
                                          buzzer=0;//蜂鳴器短響一次
                                          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);//因為設置液晶的模式是寫入數據后,指針自動加一,在這里是寫回原來的位置
                                                              break;
                     
                                                      case 1:
                                                              nz_shi--;
                                                                if(nz_shi<0)
                                                              nz_shi=23;
                                                              write_sfm(7,nz_shi);
                                                              write_1602com(er+8);//因為設置液晶的模式是寫入數據后,指針自動加一,所以需要光標回位
                                                              break;
                                              }
                                              write_eeprom();                           //保存數據
                                      }
                              }
                      }
              }
      }

      //-------------------------------
      void init(void)   //定時器、計數器設置函數
      {
              TMOD=0x11;                 //指定定時/計數器的工作方式為3
              TH0=0;                         //定時器T0的高四位=0
              TL0=0;                  //定時器T0的低四位=0
              TH1=0x3C;
              TL1=0xB0;
              EA=1;                          //系統允許有開放的中斷
              ET0=1;                         //允許T0中斷
              ET1=1;
              IT1=1;
              IT0=0;
              TR0=1;                         //開啟中斷,啟動定時器
              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)//鬧鐘手動關閉
              {
                      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;
              }
      }

      //*******************主函數**************************
      //***************************************************
      void main()
      {
              init_eeprom();  //開始初始化保存的數據
              P1=0xff;
              flag=ReadTemperature()-5;
      //        delay(2000);
              lcd_init();      //調用液晶屏初始化子函數
              ds1302_init();   //調用DS1302時鐘的初始化子函數
              init();          //調用定時計數器的設置子函數
              led1=0;           //打開LCD的背光電源
          buzzer=0;                 //蜂鳴器長響一次
          delay(100);
          buzzer=1;
              init_eeprom();
              while(1)  //無限循環下面的語句:
              {               
                          keyscan();      //調用鍵盤掃描子函數
                      led=led1;               
                      if(timerOn==1)
                              alarm();        //鬧鐘輸出
                      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  //取得并顯示日歷和時間
      {
         //Init_DS18B20();//溫度傳感器DS18b2初始化子函數,在頭文件中
      //   flag=ReadTemperature();//將18b2頭文件運行返回的函數結果送到變量FLAG中,用于顯示

        //讀取秒時分周日月年七個數據(DS1302的讀寄存器與寫寄存器不一樣):
             
          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));     //不讀取,直接通過日期計算得到
              if((led1==0))
              {
                      if(temp_miao!=miao)
                      {
                              temp_miao=miao;
                              bltime++;
                      }
                      if(bltime==10)
                      {
                              led1=1;
                              bltime=0;
                      }
              }


          if(T_NL_NZ==1)                                                        //顯示農歷
              {
                      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)))  //判斷是否為閏年
                              p_r=1;
                      else
                              p_r=0;
                      Conversion(0,nian,yue,ri);
                      write_1602com(er);//時間顯示固定符號寫入位置?
                      for(a=0;a<16;a++)
                      {
                              if(p_r==0)
                                      write_1602dat(nlp[a]);//寫顯示時間固定符號,兩個冒號
                              else
                                      write_1602dat(nlr[a]);
                      }

                        write_nl(3,year_moon);//農歷 年
                      write_nl(6,month_moon);//農歷 月
                      write_nl(9,day_moon);//農歷 日

                      do
                              keyscan();
                      while(T_NL_NZ==1);

                      write_1602com(er);//時間顯示固定符號寫入位置,從第2個位置后開始顯示
                      for(a=0;a<16;a++)
                      {
                              write_1602dat(qk[a]);//寫顯示時間固定符號,兩個冒號
                      }

                      write_1602com(er);//時間顯示固定符號寫入位置,從第2個位置后開始顯示
                      for(a=0;a<8;a++)
                      {
                              write_1602dat(tab2[a]);//寫顯示時間固定符號,兩個冒號
                      }
              }

              if(T_NL_NZ==2)                                                                //顯示鬧鐘時間,
              {
                      write_1602com(er);//時間顯示固定符號寫入位置?
                      for(a=0;a<16;a++)
                              write_1602dat(NZd[a]);//寫顯示時間固定符號,兩個冒號

                        write_sfm(7,nz_shi);//農歷 年
                      write_sfm(10,nz_fen);//農歷 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);//時間顯示固定符號寫入位置,從第2個位置后開始顯示
                      for(a=0;a<16;a++)
                      {
                              write_1602dat(qk[a]);//寫顯示時間固定符號,兩個冒號
                      }

                      write_1602com(er);//時間顯示固定符號寫入位置,從第2個位置后開始顯示
                      for(a=0;a<8;a++)
                      {
                              write_1602dat(tab2[a]);//寫顯示時間固定符號,兩個冒號
                      }
              }
             

              else
              {       
                      //顯示溫度、秒、時、分數據:
                      if(wd)
                      {
                              flag=ReadTemperature()-5;
                                write_temp(10,flag);//顯示溫度,從第二行第12個字符后開始顯示
                      }
                      else
                      {
                              write_1602com(er+12);
                              for(a=0;a<4;a++)
                              {
                                      write_1602dat(tm[a]);
                              }
                      }
                        write_sfm(6,miao);//秒,從第二行第8個字后開始顯示(調用時分秒顯示子函數)
                      write_sfm(3,fen);//分,從第二行第5個字符后開始顯示
                      write_sfm(0,shi);//小時,從第二行第2個字符后開始顯示
              }       
                      //顯示日、月、年數據:
                      write_nyr(9,ri);//日期,從第二行第9個字符后開始顯示
                         write_nyr(6,yue);//月份,從第二行第6個字符后開始顯示
                      write_nyr(3,nian);//年,從第二行第3個字符后開始顯示
                      Conver_week(nian,yue,ri);
                      write_week(week);
      }


      unsigned char count1;

      void timer1() interrupt 3  //取得并顯示日歷和時間
      {
              TH1=0x3C;
              TL1=0xB0;
      //        TR1=1;
              count1++;
              if(count1==10)
              {
                      count1=0;
                      buzzer=!buzzer;
              }
      }

      Tags:單片機C語言,時鐘,單片機電子鐘  
      責任編輯:admin
    4. 上一篇文章:
    5. 下一篇文章: 沒有了
    6. 請文明參與討論,禁止漫罵攻擊,不要惡意評論、違禁詞語。 昵稱:
      1分 2分 3分 4分 5分

      還可以輸入 200 個字
      [ 查看全部 ] 網友評論
      最新推薦
      熱門文章
      • 此欄目下沒有熱點文章
      關于我們 - 聯系我們 - 廣告服務 - 友情鏈接 - 網站地圖 - 版權聲明 - 在線幫助 - 文章列表
      返回頂部
      刷新頁面
      下到頁底
      晶體管查詢
      主站蜘蛛池模板: 久热综合在线亚洲精品| 色综合网天天综合色中文男男| 亚洲综合一区二区国产精品| 久久无码无码久久综合综合| 综合欧美五月丁香五月| 狠狠色婷婷狠狠狠亚洲综合| 国产婷婷色综合AV蜜臀AV| 久久一日本道色综合久| 色老头综合免费视频| 亚洲亚洲人成综合网络| 婷婷五月六月激情综合色中文字幕| 中文字幕亚洲综合久久菠萝蜜| 久久99国产综合精品女同| 久久综合给合综合久久| 色综合天天综合网站中国| 亚洲香蕉网久久综合影视| 尹人久久大香找蕉综合影院| 久久婷婷五月综合色国产香蕉| 色噜噜狠狠色综合中文字幕| 精品综合久久久久久888蜜芽| 伊人久久中文大香线蕉综合| 久久综合亚洲色hezyo| 91精品国产综合久久香蕉 | 精品综合一区二区三区| 久久综合综合久久97色| 国产精品亚洲综合专区片高清久久久 | 国产成人综合久久精品尤物| 本道久久综合无码中文字幕| 在线综合亚洲欧洲综合网站| 国产精品亚洲综合久久| 久久婷婷五月综合国产尤物app| 狠狠狠色丁香婷婷综合久久五月| 婷婷激情狠狠综合五月| 亚洲综合色区在线观看| 天天综合天天看夜夜添狠狠玩| 本道久久综合无码中文字幕| 色婷婷五月综合丁香中文字幕| 热综合一本伊人久久精品 | 久久综合九色综合97_久久久| 国产综合色在线视频区| 久久精品亚洲综合专区|