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標(biāo)題:
紅外遙控設(shè)置電子時(shí)鐘帶溫度和鬧鐘單片機(jī)源碼
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作者:
heicad
時(shí)間:
2017-7-29 02:22
標(biāo)題:
紅外遙控設(shè)置電子時(shí)鐘帶溫度和鬧鐘單片機(jī)源碼
分享一個(gè)51單片機(jī)做的紅外遙控電子時(shí)鐘:
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下載附件
2017-7-29 02:20 上傳
單片機(jī)源程序如下:
#include <reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit fmq=P3^6; //蜂鳴器
sbit key=P1^4; //鬧鐘鳴叫取消鍵
bit irflag,alarmflag,clockflag; //irflag-紅外解碼成功標(biāo)志 alarmflag-進(jìn)入鬧鐘設(shè)置標(biāo)志 clockflag-鬧鐘開(kāi)關(guān)標(biāo)志
uchar ircode[4];//紅外解碼數(shù)據(jù)數(shù)組
uchar code redcode[]="0123456789ABCDEF"; //紅外解碼數(shù)據(jù)使用的字符
uchar code discode1[]={"DAY:"};
uchar code discode2[]={"TIME:"};
uchar code alarmcode1[]="SET ALARM TIME";
uchar code alarmon[]="ON " ;
uchar code alarmoff[]="OFF";
uchar num; //記錄按鍵次數(shù)的變量,用來(lái)判斷是否輸入了2個(gè)數(shù)字,如果輸入了兩個(gè)數(shù)字就移動(dòng)光標(biāo)到第一位
uchar setflag=0; //時(shí)鐘設(shè)置項(xiàng)變量,用來(lái)區(qū)分設(shè)置的是時(shí)鐘的時(shí) 分 秒 日 月 年
uchar hour,minute,h,l,i; //全局變量 DS1302時(shí)鐘的小時(shí),分鐘數(shù)據(jù),用來(lái)在定時(shí)器中和鬧鐘的數(shù)據(jù)比對(duì)判斷是否鬧鈴時(shí)間已到,
//h-調(diào)整時(shí)間數(shù)據(jù)時(shí)輸入數(shù)據(jù)的高位 l-調(diào)整時(shí)間數(shù)據(jù)時(shí)輸入數(shù)據(jù)的地位
void delayms(uint xms) //普通延時(shí)
{
uint m;
uchar n;
for(m=0;m<xms;m++)
for(n=0;n<129;n++);
}
void delayus() //微秒級(jí)延時(shí)
{
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
}
void delay882(void) //紅外解碼時(shí)延時(shí)800毫秒
{
uchar a,b;
for(b=8;b>0;b--)
for(a=49;a>0;a--);
}
void delay1000(void) //紅外解碼時(shí)延時(shí)1000毫秒
{
uchar a,b;
for(b=102;b>0;b--)
for(a=3;a>0;a--);
}
void delay2400(void) //紅外解碼時(shí)延時(shí)2400毫秒
{
uchar a,b;
for(b=96;b>0;b--)
for(a=10;a>0;a--);
}
void beep() //蜂鳴器鳴叫
{
uchar n;
for(n=0;n<100;n++)
{
fmq=0;
delayms(1);
fmq=1;
delayms(1);
}
}
void ring() //鬧鈴響
{
uchar n;
for(n=0;n<100;n++)
{
fmq=0;
delayms(1);
fmq=1;
delayms(1);
fmq=0;
delayms(5);
fmq=1;
delayms(5);
}
}
//DS1602液晶顯示部分
sbit rs=P2^0;
sbit rw=P2^1;
sbit e=P2^2;
sbit bf=P0^7;
bit ds1602state() //取液晶的忙碌狀態(tài)
{
bit flg;
rs=0;
rw=1;
e=1;
delayus();
flg=bf;
delayus();
e=0;
return flg;
}
void ds1602order(uchar dat) //寫(xiě)入液晶的命令
{
while(ds1602state());
rs=0;
rw=0;
e=0;
delayus();
P0=dat;
delayus();
e=1;
delayus();
e=0;
}
void ds1602data(uchar dat) //寫(xiě)入液晶的數(shù)據(jù)
{
while(ds1602state());
rs=1;
rw=0;
e=0;
delayus();
P0=dat;
delayus();
e=1;
delayus();
e=0;
}
void ds1602address(uchar dat) //寫(xiě)入液晶的地址
{
ds1602order(0x80|dat);
}
void ds1602init() //液晶初始化
{
delayms(15);
ds1602order(0x38);
delayms(5);
ds1602order(0x0c);
delayms(5);
ds1602order(0x06);
delayms(5);
ds1602order(0x01);
delayms(5);
}
//DS18B20程序
sbit dq=P3^3;
uchar wendu; //DS18B20溫度保存變量
bit ds18b20init() //DS18B20初始化
{
bit flg;
uchar n;
dq=1;
for(n=0;n<2;n++);
dq=0;
for(n=0;n<200;n++);
dq=1;
for(n=0;n<10;n++);
flg=dq;
for(n=0;n<100;n++);
return flg;
}
void ds18b20write(uchar dat) //DS18B20寫(xiě)入數(shù)據(jù)
{
uchar n,m;
for(n=0;n<8;n++)
{
dq=1;
_nop_();
dq=0;
_nop_();
dq=dat&0x01;
for(m=0;m<30;m++);
dq=1;
for(m=0;m<2;m++);
dat>>=1;
}
}
uchar ds18b20read() //DS18B20讀出數(shù)據(jù)
{
uchar n,m,dat;
for(n=0;n<8;n++)
{
dq=1;
_nop_();
dq=0;
_nop_();
dq=1;
for(m=0;m<2;m++);
dat=dat>>1;
if(dq==1)
dat|=0x80;
dq=1;
for(m=0;m<2;m++);
}
return dat;
}
void ds18b20wendu() //DS18B20溫度轉(zhuǎn)換 沒(méi)有對(duì)負(fù)溫度進(jìn)行相關(guān)的判斷和操作
{
uchar wenduh,wendul;
ds18b20init();
ds18b20write(0xcc);
ds18b20write(0x44);
ds18b20init();
ds18b20write(0xcc);
ds18b20write(0xbe);
wendul=ds18b20read();
wenduh=ds18b20read();
wendu=(wendul>>4)|(wenduh<<4);
}
//DS1302時(shí)鐘程序
sbit scl=P1^0;
sbit sd=P1^1;
sbit rst=P1^2;
uchar code discode3[]={"0123456789"}; //DS1302時(shí)鐘顯示使用的字符數(shù)據(jù)
void ds1302write(uchar dat) //DS1302寫(xiě)數(shù)據(jù)
{
uchar n;
scl=0;
for(n=0;n<8;n++)
{
sd=dat&0x01;
delayus();
scl=1;
delayus();
scl=0;
delayus();
dat>>=1;
}
}
uchar ds1302read() //DS1302讀數(shù)據(jù)
{
uchar dat,n;
for(n=0;n<8;n++)
{
dat>>=1;
if(sd==1)
dat|=0x80;
scl=1;
delayus();
scl=0;
delayus();
}
return dat;
}
void ds1302writedata(uchar add,uchar dat) //DS1302寫(xiě)入指定地址數(shù)據(jù)
{
rst=0;
scl=0;
rst=1;
ds1302write(add);
ds1302write(dat);
scl=1;
rst=0;
}
uchar ds1302readdata(uchar add) //DS1302讀出指定地址數(shù)據(jù)
{
uchar dat;
rst=0;
scl=0;
rst=1;
ds1302write(add);
dat=ds1302read();
scl=1;
rst=0;
return dat;
}
void ds1302init() //DS1302寫(xiě)入初始數(shù)據(jù)
{
if(ds1302readdata(0x81)&0x80)
{
ds1302writedata(0x8e,0x00);
ds1302writedata(0x80,0x00);
ds1302writedata(0x82,0x25);
ds1302writedata(0x84,0x12);
ds1302writedata(0x86,0x02);
ds1302writedata(0x88,0x04);
ds1302writedata(0x8a,0x02);
ds1302writedata(0x8c,0x13);
ds1302writedata(0x8e,0x80);
ds1302writedata(0x90,0xa5);
}
}
void ds1302disp() //DS1302時(shí)鐘數(shù)據(jù)顯示
{
uchar secondh,secondl,minuteh,minutel,hourh,hourl,dayh,dayl,monthh,monthl,week,yearh,yearl; //時(shí)鐘數(shù)據(jù)的相關(guān)高位和地位
hour=ds1302readdata(0x85);
minute=ds1302readdata(0x83);
secondh=ds1302readdata(0x81)>>4; //DS1302秒數(shù)據(jù)的高位
secondl=ds1302readdata(0x81)&0x0f; //DS1302秒數(shù)據(jù)的低位
minuteh=minute>>4;
minutel=minute&0x0f;
hourh=hour>>4;
hourl=hour&0x0f;
dayh=ds1302readdata(0x87)>>4;
dayl=ds1302readdata(0x87)&0x0f;
monthh=ds1302readdata(0x89)>>4;
monthl=ds1302readdata(0x89)&0x0f;
yearh=ds1302readdata(0x8d)>>4;
yearl=ds1302readdata(0x8d)&0x0f;
week=ds1302readdata(0x8b)&0x0f;
ds1602address(0x04);
ds1602data('2');
ds1602data('0');
ds1602data(discode3[yearh]);
ds1602data(discode3[yearl]);
ds1602data('-');
ds1602data(discode3[monthh]);
ds1602data(discode3[monthl]);
ds1602data('-');
ds1602data(discode3[dayh]);
ds1602data(discode3[dayl]);
ds1602data(' ');
ds1602data(discode3[week]);
ds1602address(0x45);
ds1602data(discode3[hourh]);
ds1602data(discode3[hourl]);
ds1602data(':');
ds1602data(discode3[minuteh]);
ds1602data(discode3[minutel]);
ds1602data(':');
ds1602data(discode3[secondh]);
ds1602data(discode3[secondl]);
ds1602data(' ');
ds1602data(discode3[wendu/10]);
ds1602data(discode3[wendu%10]);
}
//24c08讀寫(xiě)程序
sbit sclk=P3^4;
sbit sda=P3^5;
uchar alarmcode[4]; //24c08中保存的鬧鐘數(shù)據(jù),alarmcode[0]-鬧鐘數(shù)據(jù)的小時(shí) alarmcode[1]-鬧鐘數(shù)據(jù)的分鐘 alarmcode[2]-鬧鐘數(shù)據(jù)的秒
//alarmcode[3]-鬧鐘開(kāi)關(guān)標(biāo)志 (0為鬧鐘關(guān)閉,1為鬧鐘開(kāi)啟)
void iic24c08start() //24c08啟動(dòng)
{
sda=1;
sclk=1;
delayus();
sda=0;
sclk=0;
delayus();
}
void iic24c08stop() //24c08停止
{
sda=0;
sclk=1;
delayus();
sda=1;
delayus();
}
void iic24c08answer() //24c08應(yīng)答
{
uchar n;
sclk=1;
delayus();
while((sda==1)&&(n<255))
n++;
sclk=0;
delayus();
}
void iic24c08write(uchar dat) //24c08寫(xiě)數(shù)據(jù)
{
uchar n;
for(n=0;n<8;n++)
{
sda=dat&0x80;
delayus();
sclk=1;
delayus();
sclk=0;
delayus();
dat<<=1;
}
}
uchar iic24c08read() //24c08讀數(shù)據(jù)
{
uchar n,dat;
for(n=0;n<8;n++)
{
sclk=1;
dat<<=1;
if(sda==1)
dat|=0x01;
delayus();
sclk=1;
delayus();
sclk=0;
delayus();
}
return dat;
}
void iic24c08writeadd(uchar add,uchar dat) //24c08寫(xiě)指定地址數(shù)據(jù)
{
iic24c08start();
iic24c08write(0xa0);
iic24c08answer();
iic24c08write(add);
iic24c08answer();
iic24c08write(dat);
iic24c08answer();
iic24c08stop();
delayms(15);
}
uchar iic24c08readadd(uchar add) //24c08讀指定地址數(shù)據(jù)
{
uchar dat;
iic24c08start();
iic24c08write(0xa0);
iic24c08answer();
iic24c08write(add);
iic24c08answer();
iic24c08start();
iic24c08write(0xa1);
iic24c08answer();
dat=iic24c08read();
iic24c08stop();
return dat;
}
//紅外解碼程序
sbit ir=P3^2;
void decode()
{
uchar u,m;
while(ir==0);
delay2400();
if(ir==1) //延時(shí)2.4ms后如果是高電平則是新碼
{
delay2400(); //延時(shí)4.8ms避開(kāi)4.5ms的高電平
for(u=0;u<4;u++)
{
for(m=0;m<8;m++)
{
while(ir==0); //等待地址碼第1位高電平到來(lái)
delay882(); //延時(shí)882ms判斷此時(shí)引腳電平
if(ir==0)
{
ircode[u]>>=1;
ircode[u]=ircode[u]&0x7f;
}
else if(ir==1)
{
delay1000();
ircode[u]>>=1;
ircode[u]=ircode[u]|0x80;
}
} //1位數(shù)據(jù)接收結(jié)束
} //32位二進(jìn)制碼接收結(jié)束
}
if(ircode[2]==~ircode[3])
{ irflag=1;
}
}
//外部中斷0和定時(shí)器0初始化
void timeinit()
{
EA=1;
EX0=1;
IT0=1;
ET0=1;
TMOD=0X01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TR0=0;
}
void main()
{
uchar n; //計(jì)數(shù)次數(shù)變量
timeinit();
ds1602init();
ds1602address(0x00);
while(discode1[n]!='\0') //在DS1602寫(xiě)入字符 DATE
{
ds1602data(discode1[n]);
n++;
}
n=0;
ds1602address(0x40);
while(discode2[n]!='\0') //在DS1602寫(xiě)入字符 TIME
{
ds1602data(discode2[n]);
n++;
}
ds1302init();
n=0;
for(n=0;n<4;n++)
{
alarmcode[n]=iic24c08readadd(n);
}
clockflag=(bit)alarmcode[3];
if(clockflag)
{
TR0=1;
}
while(1)
{
if(setflag==0&&alarmflag==0)
{
ds18b20wendu();
ds1302disp();
}
if(irflag==1) //紅外解碼成功后通過(guò)switch函數(shù)匹配紅外碼對(duì)應(yīng)的操作
{
switch(ircode[2])
{
case 0x45: //設(shè)置時(shí)鐘的年 光標(biāo)在年數(shù)據(jù)第一位上閃爍
if(alarmflag==0) //如果已經(jīng)進(jìn)入了鬧鐘設(shè)置界面,按此紅外碼無(wú)效
{
num=0;
ds1602order(0x0f);
delayms(5);
ds1602address(0x06);
delayms(5);
setflag=1;
h=ds1302readdata(0x8d)>>4;
l=ds1302readdata(0x8d)&0x0f;
beep();
}
break;
case 0x46: //設(shè)置時(shí)鐘的月 光標(biāo)在月數(shù)據(jù)第一位上閃爍
if(alarmflag==0)
{
num=0;
ds1602order(0x0f);
delayms(5);
ds1602address(0x09);
delayms(5);
setflag=2;
h=ds1302readdata(0x89)>>4;
l=ds1302readdata(0x89)&0x0f;
beep();
}
break;
case 0x47: //設(shè)置時(shí)鐘的日 光標(biāo)在日數(shù)據(jù)第一位上閃爍
if(alarmflag==0)
{
num=0;
ds1602order(0x0f);
delayms(5);
ds1602address(0x0c);
delayms(5);
setflag=3;
h=ds1302readdata(0x87)>>4;
l=ds1302readdata(0x87)&0x0f;
beep();
}
break;
case 0x44://設(shè)置時(shí)鐘的星期 光標(biāo)在星期數(shù)據(jù)第一位上閃爍
if(alarmflag==0)
{
num=0;
ds1602order(0x0f);
delayms(5);
ds1602address(0x0f);
delayms(5);
setflag=4;
h=ds1302readdata(0x8b)>>4;
l=ds1302readdata(0x8b)&0x0f;
beep();
}
break;
case 0x40: //設(shè)置時(shí)鐘的小時(shí) 光標(biāo)在小時(shí)數(shù)據(jù)第一位上閃爍
num=0;
ds1602order(0x0f);
delayms(5);
ds1602address(0x45);
if(alarmflag==0) //設(shè)置時(shí)鐘小時(shí)數(shù)據(jù) (alarmflag=1時(shí)表示已經(jīng)進(jìn)入鬧鐘設(shè)置界面)
{
setflag=5;
h=ds1302readdata(0x85)>>4;
l=ds1302readdata(0x85)&0x0f;
beep();
}
else //設(shè)置鬧鐘小時(shí)
{
setflag=8;
h=alarmcode[0]>>4;
l=alarmcode[0]&0x0f;
beep();
}
break;
case 0x43: //設(shè)置時(shí)鐘的分 光標(biāo)在分?jǐn)?shù)據(jù)第一位上閃爍
num=0;
ds1602order(0x0f);
delayms(5);
ds1602address(0x48);
delayms(5);
if(alarmflag==0)
{
setflag=6;
h=ds1302readdata(0x83)>>4;
l=ds1302readdata(0x83)&0x0f;
beep();
}
else
{
setflag=9;
h=alarmcode[1]>>4;
l=alarmcode[1]&0x0f;
beep();
}
break;
case 0x07: //設(shè)置時(shí)鐘的秒 光標(biāo)在秒數(shù)據(jù)第一位上閃爍
num=0;
ds1602order(0x0f);
delayms(5);
ds1602address(0x4b);
delayms(5);
if(alarmflag==0)
{
setflag=7;
h=ds1302readdata(0x81)>>4;
l=ds1302readdata(0x81)&0x0f;
beep();
}
else
{
setflag=10;
h=alarmcode[2]>>4;
l=alarmcode[2]&0x0f;
beep();
}
break;
case 0x19: //進(jìn)入鬧鐘設(shè)置界面
alarmflag=1;
setflag=0;
for(n=0;n<4;n++) //從24c08中讀取鬧鐘數(shù)據(jù)以便在下面顯示
{
alarmcode[n]=iic24c08readadd(n);
}
clockflag=(bit)alarmcode[3];
beep();
ds1602order(0x01);
delayms(5);
ds1602order(0xc);
ds1602address(0x01);
n=0;
while(alarmcode1[n]!='\0') //在DS1602顯示字符SET ALARM TIME
{
ds1602data(alarmcode1[n]);
n++;
}
n=0;
if(alarmcode[3]==0) //根據(jù)24c08中鬧鐘開(kāi)關(guān)數(shù)據(jù)顯示相應(yīng)的字符ON OFF
{
ds1602address(0x41);
while(alarmoff[n]!='\0')
{
ds1602data(alarmoff[n]);
n++;
}
}
else
{
ds1602address(0x41);
while(alarmon[n]!='\0')
{
ds1602data(alarmon[n]);
n++;
}
}
ds1602address(0x45);
ds1602data(discode3[alarmcode[0]>>4]);
ds1602data(discode3[alarmcode[0]&0x0f]);
ds1602data(':');
ds1602data(discode3[alarmcode[1]>>4]);
ds1602data(discode3[alarmcode[1]&0x0f]);
ds1602data(':');
ds1602data(discode3[alarmcode[2]>>4]);
ds1602data(discode3[alarmcode[2]&0x0f]);
ds1602address(0x40);
break;
case 0x0d: //鬧鐘開(kāi)關(guān)設(shè)置
if(alarmflag==1)
{
beep();
ds1602order(0x0c);
clockflag=~clockflag;
if(clockflag==0)
{
ds1602address(0x41);
n=0;
while(alarmoff[n]!='\0')
{
ds1602data(alarmoff[n]);
n++;
}
iic24c08writeadd(0x03,0x00);
TR0=0;
}
else
{
ds1602address(0x41);
n=0;
while(alarmon[n]!='\0')
{
ds1602data(alarmon[n]);
n++;
}
iic24c08writeadd(0x03,0x01);
TR0=1;
for(n=0;n<4;n++)
{
alarmcode[n]=iic24c08readadd(n);
}
}
}
break;
case 0x16: //輸入字符0
if(setflag!=0)
{
num++; //輸入次數(shù)加1
ds1602data('0');
switch(num) //匹配輸入次數(shù)
{
case 1: h=0; break; //高位數(shù)據(jù)
case 2: num=0; l=0; ds1602order(0x10);delayms(5); ds1602order(0x10); delayms(5);break; //低位數(shù)據(jù)
}
beep();
}
break;
case 0x0c:
if(setflag!=0)
{
num++;
ds1602data('1');
switch(num)
{
case 1: h=1; break;
case 2: num=0;l=1;ds1602order(0x10);delayms(5); ds1602order(0x10);delayms(5); break;
}
beep();
}
break;
case 0x18:
if(setflag!=0)
{
num++;
ds1602data('2');
switch(num)
{
case 1: h=2; break;
case 2: num=0; l=2;ds1602order(0x10);delayms(5); ds1602order(0x10);delayms(5); break;
}
beep();
}
break;
case 0X5E:
if(setflag!=0)
{
num++;
ds1602data('3');
switch(num)
{
case 1: h=3; break;
case 2: num=0; l=3;ds1602order(0x10); delayms(5); ds1602order(0x10); delayms(5);break;
}
beep();
}
break;
case 0X08:
if(setflag!=0)
{
num++;
ds1602data('4');
switch(num)
{
case 1: h=4; break;
case 2: num=0; l=4; ds1602order(0x10);delayms(5); ds1602order(0x10);delayms(5); break;
}
beep();
}
break;
case 0X1C:
if(setflag!=0)
{
num++;
ds1602data('5');
switch(num)
{
case 1: h=5; break;
case 2: num=0; l=5; ds1602order(0x10); delayms(5); ds1602order(0x10);delayms(5); break;
}
beep();
}
break;
case 0X5A:
if(setflag!=0)
{
num++;
ds1602data('6');
switch(num)
{
case 1: h=6; break;
case 2: num=0; l=6; ds1602order(0x10); delayms(5); ds1602order(0x10); delayms(5);break;
}
beep();
}
break;
case 0X42:
if(setflag!=0)
{
num++;
ds1602data('7');
switch(num)
{
case 1: h=7; break;
case 2: num=0; l=7; ds1602order(0x10); delayms(5); ds1602order(0x10);delayms(5); break;
}
beep();
}
break;
case 0X52:
if(setflag!=0)
{
num++;
ds1602data('8');
switch(num)
{
case 1: h=8; break;
case 2: num=0; l=8; ds1602order(0x10); delayms(5); ds1602order(0x10);delayms(5); break;
}
beep();
}
break;
case 0X4A:
if(setflag!=0)
{
num++;
ds1602data('9');
switch(num)
{
case 1: h=9; break;
case 2: num=0; l=9; ds1602order(0x10);delayms(5); ds1602order(0x10); delayms(5);break;
}
beep();
}
break;
case 0X15: //取消返回碼
setflag=0;
irflag=0;
if(alarmflag==1) //如果進(jìn)入過(guò)鬧鐘設(shè)置界面,需要重新寫(xiě)入DS1302的初始字符數(shù)據(jù)
{
alarmflag=0;
n=0;
ds1602address(0x00);
while(discode1[n]!='\0')
{
ds1602data(discode1[n]);
n++;
}
n=0;
ds1602address(0x40);
while(discode2[n]!='\0')
{
ds1602data(discode2[n]);
n++;
}
}
beep();
……………………
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