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/************************************************************************************/
/*通過DS18B20測試當前環境溫度, 通過DHT11測試濕度，并通過12864串行顯示當前溫度值**********/
/*目前顯示范圍: 溫度-55~ +125攝氏度，濕度20%-95% 濕度測量誤差：+-5%******************/
/************************************************************************************/
#include "reg52.H"
#include "intrins.h"
#include "math.H" //要用到取絕對值函數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; //段選信號的鎖存器控制
sbit wela = P2^1; //位選信號的鎖存器控制
sbit cs88 = P2^2; //點陣管的鎖存器控制 cs88=0;//關點陣管
//unsigned char code digit[10]={"0123456789"}; //定義字符數組顯示數字
//uchar code dis1[] = {"溫度:"};
//uchar code dis2[] = {"濕度:"};
//uchar code dis3[] = {"煙霧濃度:"};
//uchar number[10]="0123456789";
//uchar code dis4[] = {" "};
void cmg88()//關數碼管，點陣函數實際應用去掉
{
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();//關數碼管，點陣函數
delayxms(10); //延時
wela=0;
dula=0;
LCD_INIT();
while(1)
{
DS_sendChangeCmd();
tempValue = DS_getTmpValue();
lcd_setaddr(1,0);
lcd_putstr("溫度:");
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("℃");
/*以上為DS18B20溫度，以下為DHT11濕度*/
lcd_setaddr(2,0);
lcd_putstr("濕度:");
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]);
}
}
}

復制代碼

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