STC89C52+12864串行显示+DS18B20+DHT11 -

/************************************************************************************/
/*通过DS18B20测试当前环境温度, 通过DHT11测试湿度，并通过12864串行显示当前温度值**********/
/*目前显示范围: 温度-55~ +125摄氏度，湿度20%-95% 湿度测量误差：+-5%******************/
/************************************************************************************/
#include "reg52.H"
#include "intrins.h"
#include "math.H" //要用到取绝对值函数abs()
#include "DELAY.H"
#include "DS18B20.H"
#include "12864.h"
#include "DHT11.H"
#define uchar unsigned char
#define uint unsigned int
extern uchar U8RH_data_H,U8RH_data_L;
int tempValue;
sbit dula = P2^0; //段选信号的锁存器控制
sbit wela = P2^1; //位选信号的锁存器控制
sbit cs88 = P2^2; //点阵管的锁存器控制 cs88=0;//关点阵管
//unsigned char code digit[10]={"0123456789"}; //定义字符数组显示数字
//uchar code dis1[] = {"温度:"};
//uchar code dis2[] = {"湿度:"};
//uchar code dis3[] = {"烟雾浓度:"};
//uchar number[10]="0123456789";
//uchar code dis4[] = {" "};
void cmg88()//关数码管，点阵函数实际应用去掉
{
dula = 1;
P0 = 0x00;
dula = 0;
cs88 = 0x00;
P0 = 0x00;
cs88 = 1;
}
/*MAIN*/
void main()
{
unsigned char TMPS[] = {0, 0, 0,0x2e, 0,0};
unsigned char RHS[] = {0,0,0x2e,0,0x25};
uchar i,RH_H,RH_L; uint tmp;
cmg88();//关数码管，点阵函数
delayxms(10); //延时
wela=0;
dula=0;
LCD_INIT();
while(1)
{
DS_sendChangeCmd();
tempValue = DS_getTmpValue();
lcd_setaddr(1,0);
lcd_putstr("温度:");
tmp = abs(tempValue);
TMPS[0] = 0x30+tmp / 10000;
TMPS[1] = 0x30+tmp % 10000 / 1000;
TMPS[2] = 0x30+tmp % 1000 / 100;
TMPS[4] = 0x30+tmp % 100 / 10;
TMPS[5] = 0x30+tmp % 10;
lcd_setaddr(1,3);
for(i = 0;i<6;i++)
{
lcd_wdata(TMPS[i]);
}
lcd_setaddr(1,6);
lcd_putstr("℃");
/*以上为DS18B20温度，以下为DHT11湿度*/
lcd_setaddr(2,0);
lcd_putstr("湿度:");
RH();
RH_H= U8RH_data_H;
RH_L= U8RH_data_L;
RHS[0] = 0x30+RH_H/10;
RHS[1] = 0x30+RH_H%10;
RHS[3] = 0x30+RH_L/10;
lcd_setaddr(2,3);
for(i = 0;i<5;i++)
{
lcd_wdata(RHS[i]);
}
}
}

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