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標題: 溫控LED的制作方法與程序 [打印本頁]

作者: 窈窕淑男123 時間: 2017-6-20 11:21
標題: 溫控LED的制作方法與程序

#include<reg51.h>

#include<intrins.h>

#define uchar unsigned char

#define uint unsigned int

sbit L=P3^2;

sbit N=P3^3;

sbit DQ=P2^2;

sbit key1=P3^5;

sbit key2=P3^6;

sbit key3=P3^7;

sbit w1=P2^4;

sbit w2=P2^5;

sbit w3=P2^6;

sbit w4=P2^7;

uchar table[22]=

{0x3F,0x06,0x5B,0x4F,0x66,

0x6D,0x7D,0x07,0x7F,0x6F,

0x77,0x7C,0x39,0x5E,0x79,0x71,

0x40,0x38,0x76,0x00,0xff,0x37};

uint wen_du;

uint shang,xia;

uchar dang;

uchar flag;

uchar d1,d2,d3;

void delay(uint ms)

{

uchar x;

for(ms;ms>0;ms--)

for(x=10;x>0;x--);

}

void delay_18B20(uint i)

{

while(i--);

}

void Init_DS18B20()

{

uchar x=0;

DQ=1;

delay_18B20(8); DQ=0; delay_18B20(80);

DQ=1;

delay_18B20(14);

x=DQ;

delay_18B20(20);

}

uchar ReadOneChar()

{

uchar i=0;

uchar dat=0;

for (i=8;i>0;i--)

{

DQ=0;

dat>>=1;

DQ=1;

if(DQ)

dat|=0x80;

delay_18B20(4);

}

return(dat);

}

void WriteOneChar(uchar dat)

{

uchar i=0;

for (i=8;i>0;i--)

{

DQ=0;

DQ=dat&0x01;

delay_18B20(5);

DQ=1;

dat>>=1;

}

void ReadTemperature()

{

uchar a=0;

uchar b=0;

uchar t=0;

Init_DS18B20();

WriteOneChar(0xCC);

WriteOneChar(0x44);

delay_18B20(100);

Init_DS18B20();

WriteOneChar(0xCC);

WriteOneChar(0xBE);

delay_18B20(100);

a=ReadOneChar();

b=ReadOneChar();

wen_du=((b*256+a)>>4);

}

void display()

{

w1=0;P0=table[d1];delay(10);

P0=0x00;w1=1;delay(1);

w2=0;P0=table[16];delay(10);

P0=0x00;w2=1;delay(1);

w3=0;P0=table[d2]; delay(10);

P1=0x00;w3=1;delay(1);

w4=0;P0=table[d3];delay(10)

P0=0x00;w4=1;delay(1);

}

void zi_keyscan()

{

if(key1==0)

{

delay(1000);

if(key1==0)flag=1;

while(key1==0);

}

while(flag==1)

{

d1=18;d2=shang/10;d3=shang%10;

display();

if(key1==0)

{

delay(1000);

if(key1==0)flag=2;

while(key1==0);

}

if(key2==0)

{

delay(1000);

if(key2==0)

{

shang+=1;

if(shang>=40)shang=40;

}while(key2==0);

}

if(key3==0)

{

delay(1000);

if(key3==0)

{

shang-=1;

if(shang<=20)shang=20;

}while(key3==0);

}

while(flag==2)

{

d1=17;d2=xia/10;d3=xia%10;

display();

if(key1==0)

{

delay(1000);

if(key1==0)flag=0;

while(key1==0);

}

if(key2==0)

{

delay(1000);

if(key2==0)

{

xia+=1;

if(xia>=35)xia=35;

}while(key2==0);

}

if(key3==0)

{

delay(1000);

if(key3==0)

{

xia-=1;

if(xia<=10)xia=10;

}while(key3==0);

}

void zi_dong()

{

uchar i;

d1=dang;d2=wen_du/10;d3=wen_du%10;

zi_keyscan();

display();

if(wen_du<=xia){N=1;L=0;dang=0;}

if((wen_du>xia)&&(wen_du<shang))

{

dang=1;

N=1;

L=1;

/* for(i=0;i<1;i++){N=0;display();zi_keyscan();} ½

for(i=0;i<2;i++){N=1;display();zi_keyscan();}

for(i=0;i<1;i++){L=0;display();zi_keyscan();}

for(i=0;i<2;i++){L=1;display();zi_keyscan();} */

}

if(wen_du>=shang){L=1;N=0;dang=2;}

}·····//余碼請下載源程序//

溫控LED原理圖.docx

34.09 KB, 下載次數: 11, 下載積分: 黑幣 -5

溫控LED源程序.docx

12.78 KB, 下載次數: 9, 下載積分: 黑幣 -5

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