希望大佬们能帮我改一下单片机温控程序本人不才很难查找谢谢大家求帮助 -

#include <reg52.h>
#include "ds18b20ce.h"
#include "delay.h"
#include "jipan.h"
sbit P10=P1^0;
sbit led0=P1^4;
sbit beep=P1^5;
unsigned char flag=0;
unsigned int set_temper;
unsigned int temper;
unsigned int a;
unsigned int b;
unsigned int c,tp,tp2;
unsigned int Ep,Ed,rout=0;
unsigned char kp,ki,kd;
unsigned char high_time,low_time=50;
unsigned char count=0;
int d[4];
void compare_temper(void);
unsigned int pid_com(void);
void main(void)
{
TMOD=0x01;
TH0=(65536-20000)/256;
TL0=(65536-20000)%256;
EA=1;
EX0=1;
ET0=1;
IT0=0;
TR0=1;
kp=10;
ki=8;
kd=6;
while(1)
{
if(flag)
{
key_jian();
set_temper=(d[0]*100+d[1]*10+d[2])*10+d[3];
}
else
{
tp=UpDataDS18B20();
display();
temper=tp*10+tp2;
}
}
}
unsigned int pid_com(void)
{
unsigned int n;
a=(set_temper-temper)*100;
Ep=kp*(a-b);
Ed=kd*(a-2*b+c);
n=Ep+ki*a+Ed;
c=b;
b=a;
return n;
}
//PWM????????
void compare_temper(void)
{
if(set_temper>temper)
{
beep=1;
if(set_temper-temper>20)
{
high_time=100;
low_time=0;
}
else
{
rout=pid_com();
high_time=(unsigned char)(rout/80);
if(high_time>=100)
{
high_time=100;
}
low_time=100-high_time;
}
}
else if(set_temper<=temper)
{
if(temper-set_temper>0)
{
high_time=0;
low_time=100;
beep=0;
}
else
{
rout=pid_com();
high_time=(unsigned char)(rout/100);
if(high_time>=100)
{
high_time=0;
}
low_time=100-high_time;
}
}
}
void int0 ()
interrupt 0
{
flag=~flag;
}
//?????T0?ж??????
void timer_t0()
interrupt 1
{
TH0=(65536-30000)/256;
TL0=(65536-30000)%256;
count++;
led0=1;
if(count>100)
{
count=0;
}
if(count<high_time)
{
P10=0;
}
else
{
P10=1;
}
if(count==0)
{
led0=0;
compare_temper();
}
}
//DS18B20?????,DS18B20????
#include"ds18b20ce.h"
#include"delay.h"
#include<reg52.h>
#define DQ_HIGH()DQ=1
#define DQ_LOW() DQ=0
sbit DQ = P1^1;
bit DS18B20Init(void)
{
bit flag;
DQ_LOW();
delay(80);
DQ_HIGH();
delay(7);
if(DQ==0)
{
flag=1;
}
else
{
flag=0;
}
delay(20);
return flag;
}
void WriteDS18B20(unsigned char ch)
{
unsigned char i;
for(i=0;i<8;i++)
{
if(ch&0x01)
{
DQ_LOW();
delay(1);
DQ_HIGH();
delay(5);
}
else
{
DQ_LOW();
delay(7);
DQ_HIGH();
}
ch>>=1;
}
}
unsigned char ReadDS18B20(void)
{
unsigned char i,ReValue;
for(i=0;i<8;i++)
{
DQ_LOW();
delay(0);
DQ_HIGH();
ReValue>>=1;
if(DQ==1)
{
ReValue|=0x80;
}
else
{
ReValue&=0x7f;
}
delay(2);
}
return ReValue;
}
unsigned char UpDataDS18B20(void)
{
unsigned char Temp_H,Temp_L;
DS18B20Init();
WriteDS18B20(0xcc);
WriteDS18B20(0x44);
delay(800);
DS18B20Init();
WriteDS18B20(0xcc);
WriteDS18B20(0xbe);
Temp_L=ReadDS18B20();
Temp_H=ReadDS18B20();
tp2=Temp_L&0x0f;
tp2=tp2*6.25/10;
Temp_L>>=4;
Temp_H<<=4;
Temp_L|=Temp_H;
return Temp_L;
}
//??????????????????????????
#include"jipan.h"
#include"delay.h"
#include"ds18b20ce.h"
#include<reg52.h>
unsigned char tp2;
unsigned int tp;
sbit k1=P3^0;//?????
sbit k2=P3^1;//?????
sbit k3=P3^2;//??????????
unsigned char num1,num2,n=0;
unsigned char b[4]={0,5,0,0};
unsigned char code smg_du1[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char code smg_du2[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10};
unsigned char code smg_we[]={0x01,0x02,0x04,0x08};
void key_jian()
{
unsigned char i;
if((k1==1)&&(k2==1))
{
for(i=0;i<4;i++)
{
P2=smg_we[i];
n=b[i];
if(i==2)
{
P0=smg_du2[n];
}
else
{
P0=smg_du1[n];
}
delay_50us(15);
}
}
if(k1==0)
{
delay_50us(200);
if(k1==0)
{
num1++;
if(num1==10)num1=0;
while(!k1);
}
delay_50us(200);
while(!k1);
}
else
{
P0=smg_du1[num1];
switch(num2)
{
case 0:b[0]=num1;
break;
case 1:b[1]=num1;
break;
case 2:b[2]=num1;
break;
case 3:b[3]=num1;
break;
}
}
if(k2==0)
{
delay_50us(200);
if(k2==0)
{
num2++;
num1=0;
if(num2==4)num2=0;
while(!k2);
}
delay_50us(200);
while(!k2);
}
else
{
P2=smg_we[num2];
}
}
void display(void)
{
if((tp/100)==0)
{
P2=0x00;
}
else
{
P2=smg_we[0];
P0=smg_du1[tp/100];
}
delay_50us(20);
if((((tp%100)/10)==0)&&((tp/100)==0))
{
P2=0x00;
}else
{
P2=smg_we[1];
P0=smg_du1[(tp%100)/10];
}
delay_50us(20);
P2=smg_we[2];
P0=smg_du2[tp%100%10];
delay_50us(20);
P2=smg_we[3];
P0=smg_du1[tp2];
delay_50us(20);
}
//???????????????
#include"delay.h"
void delay_50us(uint?t)
{
unsigned char j;
for(;t>0;t--)
for(j=19;j>0;j--);
}
void delay(uint us)
{
while(us--);
}

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