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通過lcd1602顯示,有兩個(gè)界面,可以用四位的獨(dú)立鍵盤進(jìn)行調(diào)位、加減、切換界面。
單片機(jī)源程序如下:
- #include <reg52.h>
- #include <intrins.h>
- #define uchar unsigned char
- #define uint unsigned int
- sbit lcdrs =P2^0; //液晶引腳定義
- sbit led_cs = P2^1;
- sbit lcden =P2^2;
- //sbit boom =P2^2;
- sbit key1 = P3^0;
- sbit key2 = P3^1;
- sbit key3 = P3^2;
- sbit keyE = P3^3;
- sbit io=P1^1;
- ucharnum,key1num,key2num=0,count,hour,min,sec,day,mon,year,shi,fen,miao,week;
- char ye1,ye2;
- uchar code cg_1602[]={0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02,
- 0x0f,0x09,0x0f,0x09,0x0f,0x09,0x11,0x00,
- 0x0f,0x09,0x09,0x0f,0x09,0x09,0x0f,0x00,
- 0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02,};//"年月日"
- uchar data_byte;
- uchar RH,RL,TH,TL;
- uchar code ASCII[]="0123456789%c";
- uchar code table0[]=" Hum:00";
- uchar code table1[]=" Tem:00";
- uchar tem;
- uchar hum;
- display0[2]={0,0};
- display1[2]={0,0};
- /*延時(shí)函數(shù)*/
- void delay(uint xms)
- {
- uint i,j;
- for(i=xms;i>0;i--)
- for(j=110;j>0;j--);
- }
- void delay_ms(uint xms)
- {
- uint i,j;
- for(i=xms;i>0;i--)
- for(j=114;j>0;j--);
- }
- // void delay1()//一個(gè)for循環(huán)大概需要8個(gè)多機(jī)器周期一個(gè)機(jī)器周期為1us晶振為12MHz也就是說本函數(shù)延時(shí)8us多此延時(shí)函數(shù)必須德稍微精確一點(diǎn)?
- //
- //{
- //uchar i;
- //
- //for(i=0;i<1;i++);
- //}
- /*1602液晶*/
- void write_com(uchar com)//寫命令
- {
- lcdrs=0;
- lcden=0;
- P0=com;
- delay(5);
- lcden=1;
- delay(5);
- lcden=0;
- }
- void write_data(uchar date)//寫數(shù)據(jù)
- {
- lcdrs=1;
- lcden=0;
- P0=date;
- delay(5);
- lcden=1;
- delay(5);
- lcden=0;
- }
- void write_by_xy(uchar x,uchar y)//坐標(biāo)定位
- {
- uchar address;
- if(y==0)
- address=0x80+x;//y=0,寫第一行
- else
- address=0xc0+x;//y=1,寫第二行
- write_com(address);
- }
- /*void write_char(uchar x,uchar y,uchar date)//坐標(biāo)定位顯示
- {
- write_by_xy(x,y);//先定位
- write_data(date);//后寫數(shù)
- }*/
- void write_string(uchar x,uchar y,uchar *s)//寫字符串
- {
- write_by_xy(x,y);//設(shè)定顯示位置
- while(*s)//writecharacter
- {
- P0=*s;
- write_data(*s);
- s++;
- }
- }
- void DisplayOneChar (uchar x,uchar y,uchar date)
- {
- if(y) x|=0X40; //Y=1顯示第二行,Y=0顯示第一行
- x|=0X80;
- write_com(x); //X用來選擇哪一位
- write_data(date);
- }
- void write_sfm(uchar add,uchar date)//寫時(shí)分秒函數(shù)
- {
- uchar hour,ge;
- hour=date/10;//分解一個(gè)2位數(shù)的十位和個(gè)位
- ge=date%10;
- write_com(0x80+add);//設(shè)置顯示位置
- write_data(0x30+hour);//送去液晶顯示十位
- write_data(0x30+ge);//送去液晶顯示個(gè)位
- }
- void write_cg()//寫入固定漢字和符號
- { uchar num;
- write_com(0x40);//設(shè)定CGRAM地址
- for(num=0;num<24;num++)//將自定義字型碼寫入CGRAM中
- {
- write_data(cg_1602[num]);
- }
- write_string(2,0,":");
- write_string(5,0,":");
- write_string(0x0a,0,":");
- write_string(0x0d,0,":");
- if(key2num!=0)
- { write_string(0x0b,1," W");
- write_string(0x0d,1,"K");
- write_com(0xc4);//年
- {
- write_data(0);
- }
- write_com(0xc7);//月
- {
- write_data(1);
- }
- write_com(0xca);//日
- {
- write_data(2);
- }
- }
- } //
- //**************************初始化DTH11
- bit Init_DTH11()
- {
- bit flag;
- uchar num;
- io=0;
- delay_ms(19); // >18ms
- io=1;
- for(num=0;num<10;num++); // 20-40us 34.7us
- for(num=0;num<12;num++);
- flag=io;
- for(num=0;num<11;num++); //DTH響應(yīng)80us
- for(num=0;num<24;num++); //DTH拉高80us
- return flag;
- }
- //****************************讀DTH11數(shù)據(jù)
- uchar DTH11_RD_CHAR()
- {
- uchar byte=0;
- uchar num;
- uchar num1;
- while(io==1);
- for(num1=0;num1<8;num1++)
- {
- while(io==0);
- byte<<=1; //高位在前
- for(num=0;io==1;num++);
- if(num<10)
- byte|=0x00;
- else
- byte|=0x01;
- }
- return byte;
- }
- //******************************讀取DTH11溫度和濕度
- void DTH11_DUSHU()
- {
- uchar num;
- if(Init_DTH11()==0)
- {
- hum=DTH11_RD_CHAR(); //比正常值高7度左右
- DTH11_RD_CHAR();
- tem=DTH11_RD_CHAR();
- DTH11_RD_CHAR();
- DTH11_RD_CHAR();
- for(num=0;num<17;num++); //最后BIT輸出后拉低總線50us
- io=1;
- }
- }
- void Display_DTH11()
- { {
- display0[1]=hum/10%10;
- display0[0]=hum%10;
-
- ;
- DisplayOneChar (3, 1, ASCII[ display0[1] ] );
- DisplayOneChar (4, 1, ASCII[ display0[0] ] );
- DisplayOneChar (5, 1, 0xdf );
- DisplayOneChar (6, 1, ASCII[11] ); //顯示濕度
- display1[1]=tem/10%10;
- display1[0]=tem%10;
- DisplayOneChar (11, 1, ASCII[ display1[1] ] );
- DisplayOneChar (12, 1, ASCII[ display1[0] ] );
- DisplayOneChar (14, 1, ASCII[10] );
- //顯示溫度
- }
-
-
-
-
-
- }
- void init_1602()//初始化
- { led_cs=0;hour=19;min=30;sec=30;key1num=0;key2num=0;count=0;day=14;mon=10;
- ye1=20;ye2=18;year=ye1*100+ye2;//boom=1;
- shi=19;fen=31;miao=0;week=7;
- write_com(0x38);
- write_com(0x0c);
- write_com(0x06);
- write_com(0x01);
- write_sfm(8,shi);
- write_sfm(11,fen);
- write_sfm(0x0e,miao);
- write_sfm(0,hour);
- write_sfm(3,min);
- write_sfm(6,sec);
- // DTH11_DUSHU();
- write_string(0,1,"WD:");
- write_sfm(0x43,tem);
- DisplayOneChar (5, 1, 0xdf );
- write_string(6,1,"C ");
- write_string(8,1,"SD:");
- write_sfm(0x4b,hum);
- write_string(13,1," % ");
- write_cg();
- TMOD=0x01;//設(shè)置定時(shí)器0工作模式1
- TH0=(65536-50000)/256;//定時(shí)器裝初值
- TL0=(65536-50000)%256;
- EA=1; //開總中斷
- ET0=1; //開定時(shí)器0中斷
- TR0=1; //啟動(dòng)定時(shí)器0
- }
- /*鍵盤掃描函數(shù)*/
- //void dis_thx()
- //{
- // write_sfm(0x43,tem);
- // write_sfm(0x4b,hum);
- //
- //}
- void keyscan()//按鍵掃描函數(shù)
- {
- //keyE =0;
- // if(key2num==0||key2num==2)
- // {
- // DTH11_DUSHU();
- // Display_DTH11();
- // delay_ms(2000);
- //
- // }
- if(key1==0)
- {
- delay(5);
- if(key1==0)//確認(rèn)功能鍵被按下
- {
- key1num++;//功能鍵按下次數(shù)記錄
- while(!key1);//釋放確認(rèn)
- if(key1num==1)//第一次被按下時(shí)
- {
- TR0=0;//關(guān)閉定時(shí)器
- write_com(0x80+7);//光標(biāo)定位到秒位置
- write_com(0x0f);//光標(biāo)開始閃爍
- }
- if(key1num==2)//第二次按下光標(biāo)閃爍定位到分鐘位置
- {
- write_com(0x80+4);
- }
- if(key1num==3)//第三次按下光標(biāo)閃爍定位到小時(shí)位置
- {
- write_com(0x80+1);
- }
- if(key1num==4)//第四次按下光標(biāo)閃爍定位到日位置
- {
- write_com(0x80+0x49);
- }
- if(key1num==5)//第五次按下光標(biāo)閃爍定位到月位置
- {
- write_com(0x80+0x46);
- }
- if(key1num==6)//第六次按下光標(biāo)閃爍定位到年2位置
- {
- write_com(0x80+0x43);
- }
- if(key1num==7)//第七次按下光標(biāo)閃爍定位到年1位置
- {
- write_com(0x80+0x41);
- }
- if(key1num==8)//第八次按下光標(biāo)閃爍定位到星期位置
- {
- write_com(0x80+0x4f);
- }
- if(key1num==9)
- { write_com(0x80+9);
-
- }
- if(key1num==10)
- { write_com(0x80+0x0c);
-
- }
- if(key1num==11)
- { write_com(0x80+0x0f);
-
- }
- if(key1num==12)//第九次按下
- {
- key1num=0;//記錄按鍵數(shù)清零
- write_com(0x0c);//取消光標(biāo)閃爍
- TR0=1;//啟動(dòng)定時(shí)器使時(shí)鐘開始走
- }
- }
- }
- if(key1num!=0)//只有功能鍵被按下后,增加和減小鍵才有效
- {
- if(key2==0)
- {
- delay(5);
- if(key2==0)//增加鍵確認(rèn)被按下
- {
- while(!key2);//按鍵釋放
- if(key1num==1)//若功能鍵第一次按下
- {
- sec++;//則調(diào)整秒加1
- if(sec==60)//若滿60后將清零
- {sec=0;min++;};
- write_sfm(6,sec);
- write_sfm(3,min);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+7);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==2)//若功能鍵第二次按下
- {
- min++;//則調(diào)整分鐘加1
- if(min==60)//若滿60后將清零
- {min=0;hour++;};
- write_sfm(3,min);
- write_sfm(0,hour);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+4);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==3)//若功能鍵第三次按下
- {
- hour++;//則調(diào)整小時(shí)加1
- if(hour==24)//若滿24后將清零
- {hour=0;day++;};
- write_sfm(0,hour);
- write_sfm(0x48,day);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+1);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==4)//若功能鍵第四次按下
- {
- day++;//則調(diào)整日加1
- if(day>31)//若大于31后將置一
- {day=1;mon++;};
- write_sfm(0x48,day);
- write_sfm(0x45,mon);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x48);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==5)//若功能鍵第五次按下
- {
- mon++;//則調(diào)整月加1
- if(mon>12)//若大于12后將置一
- {mon=1;ye2++;};
- write_sfm(0x45,mon);
- write_sfm(0x42,ye2);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x45);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==6)//若功能鍵第六次按下
- {
- ye2++;//則調(diào)整年加1
- if(ye2>99)//若滿99后將清零
- {ye2=0;ye1++;};
- year=ye1*100+ye2;
- write_sfm(0x42,ye2);
- write_sfm(0x40,ye1);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x42);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==7)//若功能鍵第七次按下
- {
- ye1++;//則調(diào)整年加100
- if(ye1>99)//若滿99后將清零
- {ye1=0;ye2++;};
- year=ye1*100+ye2;
- write_sfm(0x40,ye1);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x40);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==8)//若功能鍵第八次按下
- {
- week++;//則調(diào)整周加一
- if(week>7)//若大于7后置一
- week=1;
- write_sfm(0x4f,week);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x4f);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==9)//若功能鍵第八次按下
- {
- shi++;//則調(diào)整周加一
- if(shi==24)//若大于7后置一
- shi=0;
- write_sfm(8,shi);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+9);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==10)//若功能鍵第八次按下
- {
- fen++;//則調(diào)整周加一
- if(fen==60)//若大于7后置一
- fen=0;
- write_sfm(0x0b,fen);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x0c);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==11)//若功能鍵第八次按下
- {
- miao++;//則調(diào)整周加一
- if(miao==60)//若大于7后置一
- miao=0;
- write_sfm(0x0e,miao);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x0f);//顯示位置重新回到調(diào)節(jié)處
- }
-
- }
- }
- if(key3==0)
- {
- delay(5);
- if(key3==0)//確認(rèn)減小鍵被按下
- {
- while(!key3);//按鍵釋放
- if(key1num==1)//若功能鍵第一次按下
- {
- sec--;//則調(diào)整秒減1
- if(sec==-1)//若減到負(fù)數(shù)則將其重新設(shè)置為59
- {sec=59;min--;};
- write_sfm(6,sec);
- write_sfm(3,min);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+7);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==2)//若功能鍵第二次按下
- {
- min--;//則調(diào)整分鐘減1
- if(min==-1)//若減到負(fù)數(shù)則將其重新設(shè)置為59
- { min=59;hour++;};
- write_sfm(3,min);
- write_sfm(0,hour);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+4);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==3)//若功能鍵第三次按下
- {
- hour--;//則調(diào)整小時(shí)減1
- if(hour==-1)//若減到負(fù)數(shù)則將其重新設(shè)置為23
- {hour=23;day--;};
- write_sfm(0,hour);
- write_sfm(0x48,day);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+1);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==4)//若功能鍵第四次按下
- {
- day--;//則調(diào)整日減1
- if(day==0)//若日為零時(shí)將置一
- {day=31;mon--;};
- write_sfm(0x48,day);
- write_sfm(0x45,mon);///每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x49);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==5)//若功能鍵第五次按下
- {
- mon--;//則調(diào)整月減1
- if(mon==0)//若月為零將置一
- {mon=12;ye2--;};
- write_sfm(0x45,mon);
- write_sfm(0x42,ye2);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x45);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==6)//若功能鍵第六次按下
- {
- ye2--;//則調(diào)整年減1
- if(ye2<0)//若小于零后將設(shè)置為99
- {ye2=99;ye1--;};
- year=ye1*100+ye2;
- write_sfm(0x42,ye2);
- write_sfm(0x40,ye1);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x42);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==7)//若功能鍵第七次按下
- {
- ye1--;//則調(diào)整年減100
- if(ye1<0)//若小于零后將設(shè)置為99
- ye1=99;
- year=ye1*100+ye2;
- write_sfm(0x40,ye1);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x40);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==8)//若功能鍵第八次按下
- {
- week--;//則調(diào)整周減一
- if(week==0)//若等于0后將置7
- week=7;
- write_sfm(0x4f,week);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x4f);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==9)//若功能鍵第八次按下
- {
- shi--;//則調(diào)整周加一
- if(shi==0)//若大于7后置一
- shi=24;
- write_sfm(8,shi);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+9);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==10)//若功能鍵第八次按下
- {
- fen--;//則調(diào)整周加一
- if(fen==0)//若大于7后置一
- fen=60;
- write_sfm(0x0b,fen);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x0c);//顯示位置重新回到調(diào)節(jié)處
- }
- if(key1num==11)//若功能鍵第八次按下
- {
- miao--;//則調(diào)整周加一
- if(miao==0)//若大于7后置一
- miao=60;
- write_sfm(0x0e,miao);//每調(diào)節(jié)一次送液晶顯示一下
- write_com(0x80+0x0f);//顯示位置重新回到調(diào)節(jié)處
- }
- }
- }
- }
- if(keyE==0)
- { delay(5);
- if(keyE==0)
- { key2num++;
- while(!keyE);
- if(key2num==1)
- { TR0=0;
- write_string(0,1,"2018");
- write_string(5,1,"10");
- write_string(8,1,"14");
- write_sfm(0x48,day);
- write_sfm(0x45,mon);
- write_sfm(0x40,ye1);
- write_sfm(0x42,ye2);
- write_sfm(0x4e,week);
- write_cg();
- }
- if(key2num==2)
- { key2num=0;
- // DTH11_DUSHU();
- // Display_DTH11();
- // delay_ms(2000);
- write_string(0,1,"WD:");
- write_sfm(0x43,tem);
- DisplayOneChar (5, 1, 0xdf );
- write_string(6,1,"C ");
- write_string(8,1,"SD:");
- write_sfm(0x4b,hum-32);
- write_string(13,1," % ");
- TR0=1;
- }
- }
-
-
- }
-
- }
- /*中斷函數(shù)*/
- void timer0() interrupt 1//定時(shí)器0中斷服務(wù)程序
- {
- TH0=(65536-50000)/256;//再次裝定時(shí)器初值
- TL0=(65536-50000)%256;
- count++;//中斷次數(shù)累加
- if(count==20)//20次50毫秒為1秒
- {
- count=0;
- sec++;
- if(sec==60)//秒加到60則進(jìn)位分鐘
- {
- sec=0;//同時(shí)秒數(shù)清零
- min++;
- if(min==60)//分鐘加到60則進(jìn)位小時(shí)
- {
- min=0;//同時(shí)分鐘數(shù)清零
- hour++;
- //boom=1; '..
- //delay(5);
- //boom=0;
- if(hour==24)//小時(shí)加到24則小時(shí)清零
- {
- hour=0;
- day++;
- week++;
- if(week>7)
- {
- week=1;
- }
- if(mon==1)
- {
- if(day>31)
- {
- day=1;
- mon++;
- }
- }
- if(mon==2)
- {
- if((year%4==0 &&year%100!=0)||year%4==0)
- {
- if(day>29)
- {
- day=1;
- mon++;
- }
- }
- else if(day>28)
- {
- day=1;
- mon++;
- }
- }
- if(mon==3)
- {
- if(day>31)
- {
- day=1;
- mon++;
- }
- }
- if(mon==4)
- {
- if(day>30)
- {
- day=1;
- mon++;
- }
- }
- if(mon==5)
- {
- if(day>31)
- {
- day=1;
- mon++;
- }
- }
- if(mon==6)
- {
- if(day>30)
- {
- day=1;
- mon++;
- }
- }
- if(mon==7)
- {
- if(day>31)
- {
- day=1;
- mon++;
- }
- }
- if(mon==8)
- {
- if(day>31)
- {
- day=1;
- mon++;
- }
- }if(mon==9)
- {
- if(day>30)
- {
- day=1;
- ……………………
- …………限于本文篇幅 余下代碼請從51黑下載附件…………
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萬年歷(溫濕度 arm).7z
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2019-3-8 19:10 上傳
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