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#include <ioCC2530.h>
#include "OnBoard.h"
#define uint unsigned int
#define uchar unsigned char
#define wenshi P0_6
/*******函數(shù)聲明*********/
void Delay_us(void); //1 us延時(shí)
void Delay_10us(void); //10 us延時(shí)
void Delay_ms(uint Time);//n ms延時(shí)
void COM(void); // 溫濕寫(xiě)入
void DHT11(void) ; //溫濕傳感啟動(dòng)
//溫濕度定義
uchar ucharFLAG,uchartemp;
uchar shidu_shi,shidu_ge,wendu_shi,wendu_ge=4;
uchar ucharT_data_H,ucharT_data_L,ucharRH_data_H,ucharRH_data_L,ucharcheckdata;
uchar ucharT_data_H_temp,ucharT_data_L_temp,ucharRH_data_H_temp,ucharRH_data_L_temp,ucharcheckdata_temp;
uchar ucharcomdata;
uchar temp[2]={0,0};
uchar temp1[5]="temp=";
uchar humidity[2]={0,0};
uchar humidity1[9]="humidity=";
/****************************
延時(shí)函數(shù)
*****************************/
void Delay_us() //1 us延時(shí)
{
MicroWait(1);
}
void Delay_10us() //10 us延時(shí)
{
MicroWait(10);
}
void Delay_ms(uint Time)//n ms延時(shí)
{
unsigned char i;
while(Time--)
{
for(i=0;i<100;i++)
Delay_10us();
}
}
/***********************
溫濕度傳感
***********************/
void COM(void) // 溫濕寫(xiě)入
{
uchar i;
for(i=0;i<8;i++)
{
ucharFLAG=2;
while((!wenshi)&&ucharFLAG++);
Delay_10us();
Delay_10us();
Delay_10us();
uchartemp=0;
if(wenshi)uchartemp=1;
ucharFLAG=2;
while((wenshi)&&ucharFLAG++);
if(ucharFLAG==1)break;
ucharcomdata<<=1;
ucharcomdata|=uchartemp;
}
}
void DHT11(void) //溫濕傳感啟動(dòng)
{
wenshi=0;
Delay_ms(19); //>18MS
wenshi=1;
P0DIR &= ~0x40; //重新配置IO口方向
Delay_10us();
Delay_10us();
Delay_10us();
Delay_10us();
if(!wenshi)
{
ucharFLAG=2;
while((!wenshi)&&ucharFLAG++);
ucharFLAG=2;
while((wenshi)&&ucharFLAG++);
COM();
ucharRH_data_H_temp=ucharcomdata;
COM();
ucharRH_data_L_temp=ucharcomdata;
COM();
ucharT_data_H_temp=ucharcomdata;
COM();
ucharT_data_L_temp=ucharcomdata;
COM();
ucharcheckdata_temp=ucharcomdata;
wenshi=1;
uchartemp=(ucharT_data_H_temp+ucharT_data_L_temp+ucharRH_data_H_temp+ucharRH_data_L_temp);
if(uchartemp==ucharcheckdata_temp)
{
ucharRH_data_H=ucharRH_data_H_temp;
ucharRH_data_L=ucharRH_data_L_temp;
ucharT_data_H=ucharT_data_H_temp;
ucharT_data_L=ucharT_data_L_temp;
ucharcheckdata=ucharcheckdata_temp;
}
wendu_shi=ucharT_data_H/10;
wendu_ge=ucharT_data_H%10;
shidu_shi=ucharRH_data_H/10;
shidu_ge=ucharRH_data_H%10;
}
else //沒(méi)用成功讀取，返回0
{
wendu_shi=0;
wendu_ge=0;
shidu_shi=0;
shidu_ge=0;
}
P0DIR |= 0x40; //IO口需要重新配置
}
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