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#include <REGX52.H>
typedef unsigned int u16;
typedef unsigned char u8;
sbit k2=P3^2; //K1 K2 K3 K4按鍵接口，建議從左到右接K1-K4
sbit k1=P3^5;
sbit k3=P3^3;
sbit k4=P3^4;
sbit DQ=P3^7;
sbit beep=P1^6;
sbit Data=P1^1; //有源蜂鳴器在P16口
sbit lcden=P0^5; //LCD1602接口定義
sbit lcdrs=P0^7;
sbit lcdrw=P0^6;
sbit bg=P1^7; //背光變量接入LCD1602的K極，通過bg的高低電平就可控制自動熄滅與點亮
u8 k,e,d,o=1,p=1,temp,nxflag=0,mbflag=0,tianmax;
float temperature; //溫度變量，18B20接收時為浮點數
u8 miao1,miao2,fen1,fen2,shi1,shi2,tian1,tian2,wk,tem1,tem2,tem3,wendufu;
u8 day=1,mon=1,day1,day2,yue1,yue2,mbw,n=0,m=0,beiguang,RH,RL,TH,TL,tempH,tempL;
u8 se1,se2,mon1,mon2,hou1,hou2,min1,min2,MB2,nian1,nian2,nian3,nian4;
u16 y,MB1;
u16 temper,buchang,tempwarn=0,tempwarn1=500; //tempwarn為溫度下限，1為溫度上限
u8 code set[]={"NaoZhong Status"}; //上電后傻瓜調節模塊
u8 code tempwarng[]={"Wendu Waring!"};
u8 code temmin[]={"Min"};
u8 code temmax[]={"Max"};
u8 code naozhongON[]={" ON"};
u8 code naozhongOFF[]={"OFF"};
u8 code setsucces[]={"Set Success!"};
u8 code thanks[]={"Welcome to use !"};
u8 code thanksu[]={"thanks for using"};
u8 code make[]={"Designed by LY"};
u8 code MB[]={"Stopwatch"};
u8 code week1[]={"[MON]"};
u8 code week2[]={"[TUE]"};
u8 code week3[]={"[WED]"};
u8 code week4[]={"[THU]"};
u8 code week5[]={"[FRI]"};
u8 code week6[]={"[SAT]"};
u8 code week7[]={"[SUN]"};
void delay(unsigned int z) //定義延時函數
{
unsigned int x,y;
for(x=z;x>0;x--)
for(y=1;y>0;y--);
}
void DHT11_delay_us(u8 n)
{
while(--n);
}
void DHT11_delay_ms(u16 z) //定義DHT11延遲函數
{
u16 i,j;
for(i=z;i>0;i--)
for(j=110;j>0;j--);
}
void DHT11_start()
{
Data=1;
DHT11_delay_us(2);
Data=0;
DHT11_delay_ms(20); //延時18ms以上
Data=1;
DHT11_delay_us(30);
}
u8 DHT11_rec_byte() //接收一個字節
{
u8 i,dat=0;
for(i=0;i<8;i++) //從高到低依次接收8位數據
{
while(!Data); //等待50us低電平過去
DHT11_delay_us(8); //延時60us，如果還為高則數據為1，否則為0
dat<<=1; //移位使正確接收8位數據，數據為0時直接移位
if(Data==1) //數據為1時，使dat加1來接收數據1
dat+=1;
while(Data); //等待數據線拉低
}
return dat;
}
void DHT11_receive() //接收40位的數據
{
u8 R_H,R_L,T_H,T_L,revise;
DHT11_start();
if(Data==0)
{
while(Data==0); //等待拉高
DHT11_delay_us(40); //拉高后延時80us
R_H=DHT11_rec_byte(); //接收濕度高八位
R_L=DHT11_rec_byte(); //接收濕度低八位
T_H=DHT11_rec_byte(); //接收溫度高八位
T_L=DHT11_rec_byte(); //接收溫度低八位
revise=DHT11_rec_byte(); //接收校正位
DHT11_delay_us(25); //結束
if((R_H+R_L+T_H+T_L)==revise) //校正
{
RH=R_H;
RL=R_L;
TH=T_H;
TL=T_L;
}
}
}
void beepon() //PWM(如果你是無源蜂鳴器，這里寫PWM函數)
{ //當前為有源蜂鳴器，有源蜂鳴器無需更改
beep=0;
delay(1200);
beep=1;
}
void write_nian(); //預定義
void write_yue();
void write_tian();
void write_shi();
void write_fen();
void write_miao();
void write_week();
void zhuanhuan();
void write_temp();
void write_nz();
void nzON();
void write_setsuccess();
void beiguangpd();
void write_com(u8 com) //LCD1602初始化程序，了解1602時序圖后新手的話可以直接照搬使用
{
lcdrs=0;
P2=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(u8 date)
{
lcdrs=1;
P2=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init()
{
lcdrw=0;
lcden=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80+0x10);
}
void TimerInit() //定時器0工作方式1 中斷初始化，923位12M晶振在KEIL仿真后的計算結果
{
TMOD=0X01;
TH0=(65535-901)/256;
TL0=(65535-901)%256;
ET0=1; //打開定時器0中斷允許位
EA=1; //打開總中斷允許
TR0=1; //打開定時器0，開始計時
}
Init_DS18B20(void) //DS18B20初始化與時序圖程序，仿真時溫度問題改進這個初始化程序就解決了
{
DQ=1;
delay(70);
DQ=0;
delay(485);
DQ=1;
delay(50);
return(1);
}
ReadOneChar(void) //18B20讀一個字節
{
unsigned char i=0;
unsigned char dat=0;
for (i=8;i>0;i--)
{
DQ=1;
delay(1);
DQ=0;
dat>>=1;
DQ=1;
if(DQ)
dat|=0x80;
delay(4);
}
return(dat);
}
WriteOneChar(unsigned char dat) //18B20寫一個字節
{
unsigned char i=0;
for(i=8;i>0;i--)
{
DQ=0;
DQ=dat&0x01;
delay(5);
DQ=1;
dat>>=1;
}
delay(4);
return(1);
}
ReadTemperature(void) //讀取溫度函數定義，返回值為浮點數
{
Init_DS18B20();
WriteOneChar(0xcc);
WriteOneChar(0x44);
delay(125);
Init_DS18B20();
WriteOneChar(0xcc);
WriteOneChar(0xbe);
tempL=ReadOneChar();
tempH=ReadOneChar();
if(tempH>0x7f)
{
tempH=~tempH;
tempL=~tempL+1;
wendufu=1;
}
else
wendufu=0;
temperature=(((tempH*256)+tempL)*0.0625)*10;
delay(200);
return(temperature);
}
void welcome() //定義歡迎函數
{ static u8 i;
init(); //初始化1602
delay(5000);
for(i=0;i<16;i++)
{
write_com(0x80+i);
write_data(thanks[i]);
delay(4000);
}
delay(50000);
for(i=0;i<14;i++)
{
write_com(0x81+0x40+i);
write_data(make[i]);
delay(4000);
}
delay(50000);
delay(50000);
}
void pdtian1() //PD在上電后設置完畢主界面處的天數判斷
{
if((p==1||p==3)||(p==5||p==7)||(p==8||p==10)||p==12)
tianmax=31;
if((p==4||p==6)||(p==9||p==11))
tianmax=30;
if(p==2)
{
if(((y%4==0)&&(y%100!=0))||(y%400==0))
tianmax=29;
else
tianmax=28;
}
}
void pdxingqi1() //PD在上電后設置完畢至主界面處的星期判斷
{
static char c,yi,mt,xwk1,xwk2,xwk3;
static int xwk,yn,xwk4;
yn=y;
if(p==1||p==2)
{ yn=yn-1;
mt=p+12;
}
else
mt=p;
yi=yn%100;
c=yn/100;
xwk1=yi+(yi/4);
xwk2=c/4;
xwk3=2*c;
xwk4=(26*mt+26)/10;
xwk=xwk1+xwk2-xwk3+xwk4+o-1;
while(xwk<0)
{xwk+=7; }
wk=xwk%7;
}
void Display() //定義主程序顯示部分函數模塊
{ static u16 xunhuan;
RH=RH%100;
write_nian(); //1602寫入顯示年
write_com(0x84);
write_data('-');
write_yue(); //寫入月
write_com(0x87);
write_data('-');
write_com(0x88);
write_tian(); //寫入天
write_week();
write_shi();
write_com(0x82+0x40);
write_data(':');
write_fen();
write_com(0x85+0x40);
write_data(':');
write_miao(); //寫入溫度，溫度TEM1與2與3是溫度的三位數
xunhuan++;
if(xunhuan<180)
{if(wendufu==1)
{
if((temper/100)!=0)
{
write_com(0x89+0x40);
write_data('-');
write_com(0x8a+0x40);
write_data(tem1);
}
else
{
write_com(0x89+0x40);
write_data(' ');
write_com(0x8a+0x40);
write_data('-');
}
}
else
{
write_com(0x89+0x40);
write_data(' ');
if((temper/100)!=0)
{
write_com(0x8a+0x40);
write_data(tem1);
}
else
{
write_com(0x8a+0x40);
write_data(' ');
} }
write_com(0x8b+0x40);
write_data(tem2);
write_com(0x8c+0x40);
write_data('.');
write_com(0x8d+0x40);
write_data(tem3);
write_com(0x8e+0x40);
write_data(0xdf);
write_com(0x8f+0x40);
write_data('C');
}
if(xunhuan>180)
{
write_com(0x89+0x40);
write_data(' ');
write_com(0x8a+0x40);
write_data(' ');
write_com(0x8b+0x40);
write_data(RH/10+0x30);
write_com(0x8c+0x40);
write_data(RH%10+0x30);
write_com(0x8d+0x40);
write_data('%');
write_com(0x8e+0x40);
write_data('R');
write_com(0x8f+0x40);
write_data('H');
}
if(xunhuan==360)
xunhuan=0;
}
void NZdisplay() //定義鬧鐘模塊
{
static u8 nzflag=2,nzwei;
delay(2000);
init();
delay(2000);
nzON(); //鬧鐘開關選擇模塊
while(k4) //沒有檢測到K4鍵退出時無限循環
{
...........................................................................................................................................
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