#include?“dth11.h“
#include?“ui_dth11.h“
#include?
#include?

DTH11::DTH11（QWidget?*parent）?:
????QWidget（parent）
????ui（new?Ui::DTH11）
{
????ui->setupUi（this）;
????qtimer?=?new?QTimer（this）;

????connect（qtimer?SIGNAL（timeout（））?this?SLOT（data_display（）））;
}

DTH11::~DTH11（）
{
????delete?ui;
}

void?DTH11::dht11_init（）
{
????printf（“Use?GPIO1?to?read?data!\n“）;

????if?（-1?==?wiringPiSetup（））?{
????printf（“Setup?wiringPi?failed!“）;
????return;
????}

????pinMode（pinNumber?OUTPUT）;?//?set?mode?to?output
????digitalWrite（pinNumber?1）;?//?output?a?high?level

????printf（“Enter?OS-------\n“）;

????qtimer->start（100）;
}

uint8?DTH11::read_dht11_dat（）
{
????uint8?crc;
????uint8?i;

????pinMode（pinNumberOUTPUT）;?//?set?mode?to?output
????digitalWrite（pinNumber?0）;?//?output?a?high?level
????delay（25）;
????digitalWrite（pinNumber?1）;?//?output?a?low?level
????pinMode（pinNumber?INPUT）;?//?set?mode?to?input
????pullUpDnControl（pinNumberPUD_UP）;

????delayMicroseconds（27）;
????if（digitalRead（pinNumber）==0）?//SENSOR?ANS
????{
????????while（!digitalRead（pinNumber））;?//wait?to?high

????????for（i=0;i<32;i++）
????????{
????????????while（digitalRead（pinNumber））;?//data?clock?start
????????????while（!digitalRead（pinNumber））;?//data?start
????????????delayMicroseconds（HIGH_TIME）;
????????????databuf*=2;
????????????if（digitalRead（pinNumber）==1）?//1
????????????{
????????????????databuf++;
????????????}
????????}
????????for（i=0;i<8;i++）
????????{
????????????while（digitalRead（pinNumber））;?//data?clock?start
????????????while（!digitalRead（pinNumber））;?//data?start
????????????delayMicroseconds（HIGH_TIME）;
????????????crc*=2;
????????????if（digitalRead（pinNumber）==1）?//1
????????????{
????????????????crc++;
????????????}
????????}
????????return?1;
????}
????else
????{
????????return?0;
????}
}

void?DTH11::data_display（）
{
????pinMode（pinNumberOUTPUT）;?//?set?mode?to?output
????digitalWrite（pinNumber?1）;?//?output?a?high?level
????delay（3000）;
????if（read_dht11_dat（））
????{
????????QString?tmp?=?QString::number（（databuf>>8）&0xff?10）;
????????QString?rh?=?QString::number（（databuf>>24）&0xff?10）;
????????ui->lb_tmpdisplay->setText（tmp）;
????????ui->lb_rhdisplay->setText（rh）;
//????????printf（“Congratulations?!?Sensor?data?read?ok!\n“）;
//????????printf（“RH:%d.%d\n“（databuf>>24）&0xff（databuf>>16）&0xff）;
//????????printf（“TMP:%d.%d\n“（databuf>>8）&0xffdatabuf&0xff）;
????????databuf=0;
????}
????else
????{
????????ui->lb_tmpdisplay->setText（“Sorry!?Sensor?dosent?ans!“）;
//????????printf（“Sorry!?Sensor?dosent?ans!\n“）;
????????databuf=0;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????2606??2018-01-03?08:02??dth11.cpp
?????文件?????????630??2018-01-03?08:02??dth11.h
?????文件?????????367??2018-01-03?08:02??DTH11.pro
?????文件???????18706??2018-01-03?08:02??DTH11.pro.user
?????文件????????1404??2018-01-03?08:02??dth11.ui
?????文件?????????182??2018-01-03?08:02??main.cpp
?????目錄???????????0??2018-01-03?16:21??output\
?????文件??????643016??2018-01-03?08:02??output\DTH11
?????文件??????416004??2018-01-03?08:02??output\dth11.o
?????文件??????435040??2018-01-03?08:02??output\main.o
?????文件???????17387??2018-01-03?08:02??output\Makefile
?????文件????????3208??2018-01-03?08:02??output\moc_dth11.cpp
?????文件??????241240??2018-01-03?08:02??output\moc_dth11.o
?????文件????????2856??2018-01-03?08:02??output\ui_dth11.h