【基于AT89C51单片机的电子定时闹钟设计14000字（论文）】

页附录附录1电路原理图

附录2源程序代码#include<reg52.h>#include"lcd.h"#include"ds1302.h"#include"string.h"#include"EEPROM.h"//#include"uart.h"//#include"temp.h"voidLcdDisplay();voiddelayms(intms);voidSetShowTime();voidSetShowTemp();voidSetShowSet();//时间段设置显示//sbitSWITCH=P3^7;//sbitKEY1=P3^4;//设置时间+sbitKEY2=P3^5;//设置时间-sbitBEEP=P1^7;unsignedintTT11=630,TT12=635; //时间段1unsignedintTT21=1230,TT22=1235; //时间段2unsignedintTT31=2230,TT32=2235; //时间段3unsignedcharset;unsignedcharTime1[12],Time2[12],Time31[6],Time32[6];intTD;unsignedcharmode=0;//unsignedcharonce=0;voidwrite_data(){ unsignedchari; for(i=0;i<50;i++) //擦除 扇区 { SectorErase(0x2000+i); delayms(2); } byte_write(0x2000,TT11/256); delayms(10);byte_write(0x2001,TT11%256); delayms(10); byte_write(0x2002,TT12/256); delayms(10);byte_write(0x2003,TT12%256); delayms(10); byte_write(0x2004,TT21/256); delayms(10); byte_write(0x2005,TT21%256); delayms(10); byte_write(0x2006,TT22/256); delayms(10); byte_write(0x2007,TT22%256); delayms(10); byte_write(0x2008,TT31/256); delayms(10); byte_write(0x2009,TT31%256); delayms(10); byte_write(0x2010,TT32/256); delayms(10); byte_write(0x2011,TT32%256); delayms(10);}voidread_data(){TT11=byte_read(0x2000)*256+byte_read(0x2001); //上电时，先读取报警值 如果读取到的报警值异常，则重新赋值delayms(5); TT12=byte_read(0x2002)*256+byte_read(0x2003); delayms(5); TT21=byte_read(0x2004)*256+byte_read(0x2005); delayms(5); TT22=byte_read(0x2006)*256+byte_read(0x2007); delayms(5); TT31=byte_read(0x2008)*256+byte_read(0x2009); delayms(5); TT32=byte_read(0x2010)*256+byte_read(0x2011); delayms(5);}voidmain(){//SWITCH=0; IT0=1;//外部中断0初始化//下降沿触发 EX0=1; IT1=1;//外部中断1初始化//下降沿触发 EX1=1; EA=1;//开总中断 LcdInit();//write_data();read_data();// Ds1302Init();//配置初始时间时使用，其余时间注销掉 while(1) {if(set==0) { Ds1302ReadTime();//读取时间 TD=TIME[2]/16*1000+(TIME[2]&0x0f)*100+TIME[1]/16*10+(TIME[1]&0x0f);//时分转换为整型 LcdDisplay(); //显示时间 //温度控制部分 在我们设定的时间内才控制，，其余时间不控制 if((TD>=TT11&&TD<=TT12)) { BEEP=0; } else if((TD>=TT21&&TD<=TT22)) { BEEP=0; } else if((TD>=TT31&&TD<=TT32)) { BEEP=0; } else { BEEP=1; } }elseif(set==1)//小时设置按钮功能函数 { if(KEY1==0)//小时加1处理函数 { while(!KEY1); TIME[2]+=0x01; if((TIME[2]&0X0F)>0x09) { TIME[2]+=0x10;//高位进1 TIME[2]&=0xf0;//低位置0 } if(TIME[2]>=0x24)TIME[2]=0; SetShowTime(); } if(KEY2==0) //小时减1处理函数 { while(!KEY2); if(TIME[2]!=0X00) TIME[2]-=1; elseTIME[2]=0X24; if(((TIME[2]&0x0f))>0x0A) { TIME[2]&=0xf9; } SetShowTime(); } LcdSetCursor(0x06,0); LcdWriteCom(0x0F);//清屏 }elseif(set==2)//分钟设置函数 { if(KEY1==0)//分钟加1处理函数 { while(!KEY1); TIME[1]+=0x01; if((TIME[1]&0X0F)>0x09) { TIME[1]+=0x10;//高位进1 TIME[1]&=0xf0;//地位置0 } if(TIME[1]>=0x60)TIME[1]=0; SetShowTime(); } if(KEY2==0) //分钟减1处理函数 { while(!KEY2); if(TIME[1]!=0X00) TIME[1]-=1; elseTIME[1]=0X59; if(((TIME[1]&0x0f))>0x0A) { TIME[1]&=0xf9; } SetShowTime(); } LcdSetCursor(0x09,0); LcdWriteCom(0x0F);//清屏 } elseif(set==3) //秒按钮设置函数 { if(KEY1==0)//秒加1处理函数 { while(!KEY1); TIME[0]+=0x01; if((TIME[0]&0X0F)>0x09) { TIME[0]+=0x10;//高位进1 TIME[0]&=0xf0;//地位置0 } if(TIME[0]>=0x60)TIME[0]=0; SetShowTime(); } if(KEY2==0) //秒减1处理函数 { while(!KEY2); if(TIME[0]!=0X00) TIME[0]-=1; elseTIME[0]=0X59; if(((TIME[0]&0x0f))>0x0A) { TIME[0]&=0xf9; } SetShowTime(); } LcdSetCursor(0x0c,0); LcdWriteCom(0x0F);// } elseif(set==4) //TT11处理函数 { if(once==0) { SetShowSet(); once=1; } if(KEY1==0) { while(!KEY1); TT11+=1; if((TT11%100)>=60) { TT11=TT11/100*100+100; if(TT11>=TT12)TT11=TT12-1; } SetShowSet(); } if(KEY2==0) //减1处理函数 { while(!KEY2); TT11-=1; if(TT11<0)TT11=0; if((TT11%100)==99) { TT11=TT11-40; } SetShowSet(); } LcdSetCursor(0x03,0); LcdWriteCom(0x0F); }elseif(set==5) //TT12处理函数 { if(KEY1==0) { while(!KEY1); TT12+=1; if((TT12%100)>=60) { TT12=TT12/100*100+100; if(TT12>=TT21)TT12=TT21-1; } SetShowSet(); } if(KEY2==0) //减1处理函数 { while(!KEY2); TT12-=1; if(TT12<=TT11)TT12=TT11+1; if((TT12%100)==99) { TT12=TT12-40; } SetShowSet(); } LcdSetCursor(0x08,0); LcdWriteCom(0x0F); } elseif(set==6) //TT21处理函数 { if(once==0) { SetShowSet(); once=1; } if(KEY1==0) { while(!KEY1); TT21+=1; if((TT21%100)>=60) { TT21=TT21/100*100+100; if(TT21>=TT22)TT21=TT22-1; } SetShowSet(); } if(KEY2==0) //减1处理函数 { while(!KEY2); TT21-=1; if(TT21<TT12)TT21=TT12+1; if((TT21%100)==99) { TT21=TT21-40; } SetShowSet(); } LcdSetCursor(0x03,1); LcdWriteCom(0x0F); }elseif(set==7) //TT22处理函数 { if(KEY1==0) { while(!KEY1); TT22+=1; if((TT22%100)>=60) { TT22=TT22/100*100+100; if(TT22>=TT31)TT22=TT31-1; } SetShowSet(); } if(KEY2==0) //减1处理函数 { while(!KEY2); TT22-=1; if(TT22<=TT21)TT22=TT21+1; if((TT22%100)==99) { TT22=TT22-40; } SetShowSet(); } LcdSetCursor(0x08,1); LcdWriteCom(0x0F); } elseif(set==8) //TT31处理函数 { if(once==0) { SetShowSet(); once=1; } if(KEY1==0) { while(!KEY1); TT31+=1; if((TT31%100)>=60) { TT31=TT31/100*100+100; if(TT31>=TT32)TT31=TT32-1; } SetShowSet(); } if(KEY2==0) //减1处理函数 { while(!KEY2); TT31-=1; if(TT31<0)TT31=0; if((TT31%100)==99) { TT31=TT31-40; } SetShowSet(); } LcdSetCursor(0x0E,0); LcdWriteCom(0x0F); }elseif(set==9) //TT32处理函数 { if(KEY1==0) { while(!KEY1); TT32+=1; if((TT32%100)>=60) { TT32=TT32/100*100+100; if(TT32>=2400)TT32=2359; } SetShowSet(); } if(KEY2==0) //减1处理函数 { while(!KEY2); TT32-=1; if(TT32<=TT31)TT32=TT31+1; if((TT32%100)==99) { TT32=TT32-40; } SetShowSet(); } LcdSetCursor(0x0E,1); LcdWriteCom(0x0F); } elseif(set>=10) { set=0; LcdWriteCom(0x0C);//关光标闪烁 Ds1302Write_time(); write_data(); LcdWriteCom(0x01); }}}/********************************************************************************函数名:LcdDisplay()*函数功能 :显示函数*输入:无*输出 :无*******************************************************************************///显示时间voidLcdDisplay(){ LcdWriteCom(0x80+0x00); LCD1602_write_word("Time:");LcdWriteData('0'+TIME[2]/16); //时 LcdWriteData('0'+(TIME[2]&0x0f)); LcdWriteData('-'); LcdWriteData('0'+TIME[1]/16); //分 LcdWriteData('0'+(TIME[1]&0x0f)); LcdWriteData('-'); LcdWriteData('0'+TIME[0]/16); //秒 LcdWriteData('0'+(TIME[0]&0x0f)); LCD1602_write_word("");}voidSetShowSet(){ Time1[0]=TT11/1000+48;Time1[1]=TT11%1000/100+48; //时间段1处理显示 Time1[2]=TT11%1000%100/10+48; Time1[3]=TT11%10+48; Time1[4]='-'; Time1[5]=TT12/1000+48;Time1[6]=TT12%1000/100+48; Time1[7]=TT12%1000%100/10+48; Time1[8]=TT12%10+48; Time2[0]=TT21/1000+48;Time2[1]=TT21%1000/100+48; //时间段2处理显示 Time2[2]=TT21%1000%100/10+48; Time2[3]=TT21%10+48; Time2[4]='-'; Time2[5]=TT22/1000+48;Time2[6]=TT22%1000/100+48; Time2[7]=TT22%1000%100/10+48; Time2[8]=TT22%10+48; Time31[0]=TT31/1000+48;Time31[1]=TT31%1000/100+48; //时间段3处理显示 Time31[2]=TT31%1000%100/10+48; Time31[3]=TT31%10+48; Time31[4]='-'; Time32[0]=TT32/1000+48;Time32[1]=TT32%1000/100+48; Time32[2]=TT32%1000%100/10+48; Time32[3]=TT32%10+48;Time32[4]=''; LcdWriteCom(0x80+0x00); LCD1602_write_word(Time1); LCD1602_write_word(""); LcdWriteCom(0x80+0x40); LCD1602_write_word(Time2); LCD1602_write_word(""); LcdWriteCom(0x80+0x0b); LCD1602_write_word(Time31); LcdWriteCom(0x80+0x4b); LCD1602_write_word(Time32);}voiddelayms(intms){ inti,j; for(i=0;i<ms;i++) for(j=0;j<110;j++);}voidSetShowTime(){LcdWriteCom(0x80+0x05); LcdWriteData('0'+TIME[2]/16); //时 LcdWriteData('0'+(TIME[2]&0x0f)); LcdWriteData('-'); LcdWriteData('0'+TIME[1]/16); //分 LcdWrit