#include "reg51.h"
#include "temp.h"
#define OVERTEMP 30 //定义超温报警数值
typedef unsigned char u8;
typedef unsigned int u16;
sbit LEDA=P1^0;
sbit LEDB=P1^1;
sbit LEDC=P1^2;
sbit beep=P2^7;
sbit led= P2^6;
u8 code shuma[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f };
u8 shijian[8];
void delay(u16 q)
{
while(q--);
}
void DelayMS(u16 x)
{
u8 y;
while(x--)
{
for(y=0;y<120;y++);
}
}
void dongtai()
{
u8 i;
for(i=0;i<8;i++)
{
switch(i)
{
case(0):LEDA=0;LEDB=0;LEDC=0; break;
case(1):LEDA=1;LEDB=0;LEDC=0; break;
case(2):LEDA=0;LEDB=1;LEDC=0; break;
case(3):LEDA=1;LEDB=1;LEDC=0; break;
case(4):LEDA=0;LEDB=0;LEDC=1; break;
case(5):LEDA=1;LEDB=0;LEDC=1; break;
case(6):LEDA=0;LEDB=1;LEDC=1; break;
case(7):LEDA=1;LEDB=1;LEDC=1; break;
}
P0=shijian[i];
delay(10);
P0=0x00;
}
}
void datapros(int temp)
{
float tp;
if(temp<0)
{
shijian[0] = 0x40;
temp=temp-1;
temp=~temp;
tp=temp;
temp=tp*0.0625*100+0.5;
}
else
{
shijian[0] = 0x00;
tp=temp;
temp=tp*0.0625*100+0.5;
}
shijian[1] = shuma[temp/ 10000];
shijian[2] = shuma[temp % 10000 / 1000];
shijian[3] = shuma[temp % 1000 / 100] | 0x80;
shijian[4] = shuma[temp % 100 / 10];
shijian[5] = shuma[temp % 10];
shijian[6] = 0x00;
shijian[7] = 0x00;
if((temp/100)>OVERTEMP)
{
shijian[7]=0x76;//显示"H"
beep=~beep;
DelayMS(100);
led=~led;
DelayMS(10) ;
}
}
void main()
{
while(1)
{
datapros( Ds18b20ReadTemp());
dongtai() ;
}
}
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