单片机万年历程序#include <reg52.h> //调用单片机头文件#define uchar unsigned char //无符号字符型宏定义变量范围0~255#define uint unsigned int //无符号整型宏定义变量范围0~65535#include "eeprom52.h"#include "nongli.h"bit flag_200ms ;bit flag_100ms ;sbit beep = P3^7; //蜂鸣器定义bit flag_beep_en;uint clock_value; //用作闹钟用的sbit dq = P3^1; //18b20 IO口的定义uint temperature ; //温度变量uchar flag_nl; //农历阳历显示标志位uchar menu_1,menu_2;uchar key_time,flag_value; //用做连加的中间变量bit key_500ms ;uchar n_nian,n_yue,n_ri; //农历显示的函数#include "ds1302.h"#include "lcd1602.h"/******************把数据保存到单片机内部eeprom中******************/ void write_eeprom(){SectorErase(0x2000);byte_write(0x2000, fen1);byte_write(0x2001, shi1);byte_write(0x2002, open1);byte_write(0x2058, a_a);}/******************把数据从单片机内部eeprom中读出来*****************/ void read_eeprom(){fen1 = byte_read(0x2000);shi1 = byte_read(0x2001);open1 = byte_read(0x2002);a_a = byte_read(0x2058);}/**************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{fen1 = 3;open1 = 1;a_a = 1;write_eeprom(); //保存数据}}/***********************18b20初始化函数*****************************/ void init_18b20(){bit q;dq = 1; //把总线拿高delay_uint(1); //15usdq = 0; //给复位脉冲delay_uint(80); //750usdq = 1; //把总线拿高等待delay_uint(10); //110usq = dq; //读取18b20初始化信号delay_uint(20); //200usdq = 1; //把总线拿高释放总线}/*************写18b20内的数据***************/void write_18b20(uchar dat){uchar i;for(i=0;i<8;i++){ //写数据是低位开始dq = 0; //把总线拿低写时间隙开始dq = dat & 0x01; //向18b20总线写数据了delay_uint(5); // 60usdq = 1; //释放总线}}/*************读取18b20内的数据***************/uchar read_18b20(){uchar i,value;for(i=0;i<8;i++){dq = 0; //把总线拿低读时间隙开始value >>= 1; //读数据是低位开始dq = 1; //释放总线if(dq == 1) //开始读写数据value |= 0x80;delay_uint(5); //60us 读一个时间隙最少要保持60us的时间}return value; //返回数据}/*************读取温度的值读出来的是小数***************/uint read_temp(){uint value;uchar low; //在读取温度的时候如果中断的太频繁了，就应该把中断给关了，否则会影响到18b20的时序init_18b20(); //初始化18b20write_18b20(0xcc); //跳过64位ROMwrite_18b20(0x44); //启动一次温度转换命令delay_uint(50); //500usinit_18b20(); //初始化18b20write_18b20(0xcc); //跳过64位ROMwrite_18b20(0xbe); //发出读取暂存器命令EA = 0;low = read_18b20(); //读温度低字节value = read_18b20(); //读温度高字节EA = 1;value <<= 8; //把温度的高位左移8位value |= low; //把读出的温度低位放到value的低八位中value *= 0.625; //转换到温度值小数return value; //返回读出的温度带小数}/******************1ms 延时函数*******************/void delay_1ms(uint q){uint i,j;for(i=0;i<q;i++)for(j=0;j<120;j++);}/******************写星期函数*******************/void write_week(uchar hang,uchar add,uchar week)//写星期函数{if(hang==1)write_com(0x80+add);elsewrite_com(0x80+0x40+add);switch(week)case 1:write_data('M');//星期数为1时，显示write_data('O');write_data('N');break;case 2:write_data('T');//星期数据为2时显示write_data('U');write_data('E');break;case 3:write_data('W');//星期数据为3时显示write_data('E');write_data('D');break;case 4:write_data('T');//星期数据为4是显示write_data('H');write_data('U');break;case 5:write_data('F');//星期数据为5时显示write_data('R');write_data('I');break;case 6:write_data('S');//星期数据为6时显示write_data('T');write_data('A');break;case 0:write_data('S');//星期数据为7时显示write_data('N');break;}}/*************时钟显示***************/void init_1602_ds1302(){write_sfm2_ds1302(1,1,shi); //显示时write_sfm2_ds1302(1,4,fen); //显示分write_sfm2_ds1302(1,7,miao); //显示秒write_week(2,12,week);// write_sfm1(1,14,week); //显示星期write_sfm3_18B20(1,11,temperature); //显示温度if(flag_nl == 0) //显示阳历{write_sfm2_ds1302(2,2,nian); //显示年write_sfm2_ds1302(2,5,yue); //显示月write_sfm2_ds1302(2,8,ri); //显示日}else //显示农历{write_sfm2_ds1302(2,2,n_nian); //显示年write_sfm2_ds1302(2,5,n_yue); //显示月write_sfm2_ds1302(2,8,n_ri); //显示日}/*************定时器0初始化程序***************/void init_time0(){EA = 1; //开总中断TMOD = 0X01; //定时器0、工作方式1ET0 = 1; //开定时器0中断TR0 = 1; //允许定时器0定时}/*************闹钟报警函数***************/void menu_dis(){static uchar mm,value;if(flag_100ms == 1) //100ms执行一次{flag_100ms = 0;if(open1 == 1) //如果闹钟打开{if((miao == 0) && (fen == fen1) && (shi == shi1)){flag_beep_en = 1; //有报警打开蜂鸣器响的标志位}if(flag_beep_en == 1) //闹钟以被打开{clock_value++;if(clock_value <= 30)beep = ~beep; //蜂鸣器叫3秒else if(clock_value > 30){beep = 1; //蜂鸣器停1秒{clock_value = 0;}}// 1 分钟后自动关闭闹钟value ++;if(value >= 10){value = 0;mm++;if(mm >= 60){mm = 0;flag_beep_en = 0;beep = 1;}}}}}}/********************独立按键程序*****************/ uchar key_can; //按键值void key() //独立按键程序{static uchar key_new;key_can = 20; //按键值还原if((P3 & 0x78) != 0x78) //按键按下{delay_1ms(1); //按键消抖动if(((P3 & 0x78) != 0x78) && (key_new == 1)){ //确认是按键按下key_new = 0;switch(P3 & 0x78){case 0x70: key_can = 4; break; //得到按键值case 0x68: key_can = 3; break; //得到按键值case 0x58: key_can = 2; break; //得到按键值case 0x38: key_can = 1; break; //得到按键值}// write_sfm2(1,0,key_can); //显示按键值}}elsekey_new = 1;}/**********************设置函数************************/ void key_with(){if(key_can == 1) //设置键{menu_1++;if(menu_1 == 1) //设置时间{menu_2 = 1;write_string(1,0," : : W: ");}if(menu_1 == 2) //设置闹钟{menu_2 = 1;write_string(1,0," set clock ");write_string(2,0," Y 00:00 ");}if(menu_1 > 2) //回到正常显示{menu_1 = 0;write_guanbiao(1,2,0); //关闭光标init_1602_dis_csf(); //初始化液晶显示}}if(key_can == 2) //选择键{flag_200ms = 1;if(menu_1 == 1) //设置时间{menu_2 ++;if(menu_2 > 7)menu_2 = 1;}if(menu_1 == 2) //设置闹钟{menu_2 ++;if(menu_2 > 3)menu_2 = 1;}}if(menu_1 == 1){if(menu_2 == 1) //设置时{if(key_can == 3) //加{shi+=0x01;if((shi & 0x0f) >= 0x0a)shi = (shi & 0xf0) + 0x10;if(shi >= 0x24)shi = 0;}if(key_can == 4) //减{if(shi == 0x00)shi = 0x24;if((shi & 0x0f) == 0x00)shi = (shi | 0x0a) - 0x10;shi -- ;}}if(menu_2 == 2) //设置分{if(key_can == 3) //加{fen+=0x01;if((fen & 0x0f) >= 0x0a)fen = (fen & 0xf0) + 0x10;if(fen >= 0x60)fen = 0;}if(key_can == 4) //减{if(fen == 0x00)fen = 0x5a;if((fen & 0x0f) == 0x00)fen = (fen | 0x0a) - 0x10;fen -- ;}}if(menu_2 == 3) //设置秒{if(key_can == 3) //加{miao+=0x01;if((miao & 0x0f) >= 0x0a)miao = (miao & 0xf0) + 0x10;if(miao >= 0x60)miao = 0;}if(key_can == 4) //减{if(miao == 0x00)miao = 0x5a;if((miao & 0x0f) == 0x00)miao = (miao | 0x0a) - 0x10;miao -- ;}}if(menu_2 == 4) //设置星期{if(key_can == 3) //加{week+=0x01;if((week & 0x0f) >= 0x0a)week = (week & 0xf0) + 0x10;if(week >= 0x08)week = 1;}if(key_can == 4) //减{if(week == 0x01)week = 0x08;if((week & 0x0f) == 0x00)week = (week | 0x0a) - 0x10;week -- ;}}if(menu_2 == 5) //设置年{if(key_can == 3) //加{nian+=0x01;if((nian & 0x0f) >= 0x0a)nian = (nian & 0xf0) + 0x10;if(nian >= 0x9a)nian = 1;}if(key_can == 4) //减{if(nian == 0x01)nian = 0x9a;if((nian & 0x0f) == 0x00)nian = (nian | 0x0a) - 0x10;nian -- ;}}if(menu_2 == 6) //设置月{if(key_can == 3) //加{yue+=0x01;if((yue & 0x0f) >= 0x0a)yue = (yue & 0xf0) + 0x10;if(yue >= 0x13)yue = 1;}if(key_can == 4) //减{if(yue == 0x01)yue = 0x13;if((yue & 0x0f) == 0x00)yue = (yue | 0x0a) - 0x10;yue -- ;}}if(menu_2 == 7) //设置日{if(key_can == 3) //加{ri+=0x01;if((ri & 0x0f) >= 0x0a)ri = (ri & 0xf0) + 0x10;if(ri >= 0x32)ri = 0;}if(key_can == 4) //减{if(ri == 0x01)ri = 0x32;if((ri & 0x0f) == 0x00)ri = (ri | 0x0a) - 0x10;ri -- ;}}write_sfm2_ds1302(1,2,shi); //显示时write_sfm2_ds1302(1,5,fen); //显示分write_sfm2_ds1302(1,8,miao); //显示秒write_sfm1(1,14,week); //显示星期write_sfm2_ds1302(2,3,nian); //显示年write_sfm2_ds1302(2,6,yue); //显示月write_sfm2_ds1302(2,9,ri); //显示日switch(menu_2) // 光标显示{case 1: write_guanbiao(1,2,1); break;case 2: write_guanbiao(1,5,1); break;case 3: write_guanbiao(1,8,1); break;case 4: write_guanbiao(1,14,1); break;case 5: write_guanbiao(2,3,1); break;case 6: write_guanbiao(2,6,1); break;case 7: write_guanbiao(2,9,1); break;}write_time(); //把时间写进去}/***************设置闹钟*********************/ if(menu_1 == 2){if(menu_2 == 1) //设置闹钟开关{if(key_can == 3){open1 = 1; //闹钟开}if(key_can == 4){open1 = 0; //闹钟关}}if(menu_2 == 2) //设置闹钟时{if(key_can == 3) //加{shi1+=0x01;if((shi1 & 0x0f) >= 0x0a)shi1 = (shi1 & 0xf0) + 0x10;if(shi1 >= 0x24)shi1 = 0;}if(key_can == 4) //减{if(shi1 == 0x00)shi1 = 0x5a;if((shi1 & 0x0f) == 0x00)shi1 = (shi1 | 0x0a) - 0x10;shi1 -- ;}}if(menu_2 == 3) //设置秒{if(key_can == 3) //加{fen1+=0x01;if((fen1 & 0x0f) >= 0x0a)fen1 = (fen1 & 0xf0) + 0x10;if(fen1 >= 0x60)fen1 = 0;}if(key_can == 4) //减{if(fen1 == 0x00)fen1 = 0x5a;if((fen1 & 0x0f) == 0x00)fen1 = (fen1 | 0x0a) - 0x10;fen1 -- ;}}if(open1 == 1)write_string(2,4,"Y");elsewrite_string(2,4,"N");write_sfm2_ds1302(2,7,shi1); //显示闹钟时write_sfm2_ds1302(2,10,fen1); //显示闹钟分switch(menu_2) // 光标显示{case 1: write_guanbiao(2,4,1); break;case 2: write_guanbiao(2,7,1); break;case 3: write_guanbiao(2,10,1); break;}write_eeprom(); //保存闹钟时间}}/*****************主函数********************/void main(){beep = 0; //开机叫一声delay_1ms(150);P0 = P1 = P2 = P3 = 0xff; //单片机IO口初始化为1init_time0(); //初始化定时器init_ds1302(); //ds1302初始化init_1602(); //lcd1602初始化init_1602_dis_csf(); //lcd1602初始化显示init_eeprom(); //开始初始化保存的数据temperature = read_temp(); //先读出温度的值delay_1ms(650);temperature = read_temp(); //先读出温度的值while(1){key(); //按键程序if(key_can < 10){if(flag_beep_en == 0) //只有闹钟关了的时候才能进入设置key_with();else{flag_beep_en = 0; //按下任意键可关闭闹钟beep = 1;clock_value = 0;read_time();}if(menu_1 == 0){if(key_can == 4) //减键{flag_nl = ~flag_nl; //切换农历和阳历的显示标志位if(flag_nl == 0)write_string(2,0,"2013");elsewrite_string(2,0,"N ");}}}if(flag_200ms == 1){flag_200ms = 0;if(menu_1 == 0){read_time(); //读时间temperature = read_temp(); //先读出温度的值init_1602_ds1302(); //显示时钟}}menu_dis(); //闹钟报警函数delay_1ms(1);}}/**************定时器0中断程序*****************/void time0() interrupt 1{static uchar value;TH0 = 0X3C;TL0 = 0XB0; //50msvalue ++;if((value % 2) == 0) //100msflag_100ms = 1;if(value >= 6) //200ms{value = 0;flag_200ms = 1;}}。