标题: 温控LED的制作方法与程序 [打印本页]
作者: 窈窕淑男123 时间: 2017-6-20 11:21
标题: 温控LED的制作方法与程序
#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;}
}·····//余码请下载源程序//
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温控LED原理图.docx
34.09 KB, 下载次数: 11, 下载积分: 黑币 -5
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温控LED源程序.docx
12.78 KB, 下载次数: 9, 下载积分: 黑币 -5
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