樹莓派DHT11溫溼度感測器+BMP280大氣氣壓感測器
阿新 • • 發佈：2018-11-22
bmp:
#ifndef _RASPI_BMP280_H_
#define _RASPI_BMP280_H_
#include <stdio.h>
#include <wiringPi.h>
#include <wiringPiI2C.h>
unsigned short dig_t1,dig_p1;
signed short dig_t2,dig_t3,dig_p2,dig_p3,dig_p4;
signed short dig_p5,dig_p6,dig_p7,dig_p8,dig_p9;
float temp,pres,var1,var2;
int dht
#ifndef _RASPI_DHT11_H_
#define _RASPI_DHT11_H_
#include <wiringPi.h>
int dht11_val[5]={0,0,0,0,0},dht11_flag=-1;
#define DHT11PIN 7
int Raspi_DHT11_Read()
{
uint8_t lststate=HIGH;
uint8_t counter=0;
uint8_t j=0,i;
for(i=0;i<5;i++)
dht11_val[i]=0;
pinMode(DHT11PIN,OUTPUT);
digitalWrite(DHT11PIN,LOW);
delay(18);
digitalWrite(DHT11PIN,HIGH);
delayMicroseconds(40);
pinMode(DHT11PIN,INPUT);
for(i=0;i<85;i++)
{
counter=0;
while(digitalRead(DHT11PIN)==lststate)
{
counter++;
delayMicroseconds(1);
if(counter==255)
break;
}
lststate=digitalRead(DHT11PIN);
if(counter==255)break;
if((i>=4)&&(i%2==0))
{
dht11_val[j/8]<<=1;
if(counter>30)
dht11_val[j/8]|=1;
j++;
}
}
if((j>=40)&&(dht11_val[4]==((dht11_val[0]+dht11_val[1]+dht11_val[2]+dht11_val[3])&0xFF)))
return 0;
return 1;
}
#endif
main
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <linux/videodev2.h>
#include <wiringPi.h>
#include "raspi_dht11.h"
#include "raspi_bmp280.h"
//#include "raspi_led_pwm.h"
//#include "raspi_rtc.h"
int newsock,count=0,local=0;
//pthread_t id1;
struct dirent *ptr;
DIR *dir;
//char mp3_buf[100][100]={"/home/pi/Music"};
//char mp3_play[100];
void TCP_Listen()
{
char recvbuf[10],sendbuf[1000],time_buf[10];
//Raspi_LED_Init();
//Raspi_PWM_Init(100);
while(1)
{
recv(newsock,recvbuf,10,0);
/* if(recvbuf[0]==0x01)
{
if(recvbuf[1]==1)
digitalWrite(LED5V,LOW);
else if(recvbuf[1]==2)
digitalWrite(LED5V,HIGH);
}*/
/*else if(recvbuf[0]==0x02)
{
if(recvbuf[1]==1)
{
digitalWrite(MOTOR1,LOW);
digitalWrite(MOTOR2,HIGH);
}
else if(recvbuf[1]==2)
{
digitalWrite(MOTOR1,HIGH);
digitalWrite(MOTOR2,LOW);
}
else if(recvbuf[1]==3)
{
digitalWrite(MOTOR1,LOW);
digitalWrite(MOTOR2,LOW);
}
}*/
/*
else if(recvbuf[0]==0x03)
{
Raspi_PWM_RGB(recvbuf[1],recvbuf[2],recvbuf[3]);
}
else if(recvbuf[0]==0x04)
{
count=0;
dir=opendir("/home/pi/Music");
while((ptr=readdir(dir))!=NULL)
{
if(strcmp(ptr->d_name,".")!=0&&strcmp(ptr->d_name,"..")!=0)
{
strcpy(mp3_buf[count],"/home/pi/Music/");
strcat(mp3_buf[count],ptr->d_name);
count++;
}
}
memset(sendbuf,0,sizeof(sendbuf));
sendbuf[0]=0x02;
sendbuf[1]=count;
fflush(stdout);
local=0;
while(local<count)
{
strcat(sendbuf,mp3_buf[local]);
strcat(sendbuf,"|");
local++;
}
fflush(stdout);
send(newsock,sendbuf,sizeof(sendbuf),10);
recvbuf[0]=0x00;
closedir(dir);
}
else if(recvbuf[0]==0x05)
{
strcpy(mp3_play,"");
strcat(mp3_play,"madplay ");
strcat(mp3_play,mp3_buf[recvbuf[1]]);
strcat(mp3_play," &");
recvbuf[0]=0x00;
system(mp3_play);
continue;
}
else if(recvbuf[0]==0x06)
{
recvbuf[0]=' ';
sprintf(time_buf,"date -s "%s"",recvbuf);
system(time_buf);
}
else if(recvbuf[0]==0x07)
system("killall -9 madplay &");
*/
}
}
int main()
{
int ret,sockfd,video_fd,i=0,j=0;
char sendbuf[10];
if(Raspi_BMP280_Init()==0)
bmp280_flag=0;
int addrsize=sizeof(struct sockaddr);
struct sockaddr_in bindaddr;
struct sockaddr_in boyaddr;
bzero(&bindaddr,sizeof(bindaddr));
bindaddr.sin_family=AF_INET;
bindaddr.sin_port=htons(10086);
bindaddr.sin_addr.s_addr=inet_addr("192.168.1.109");
sockfd=socket(AF_INET,SOCK_STREAM,0);
if(sockfd==-1)
{
printf("create socket failed!\n");
return -1;
}
ret=bind(sockfd,(struct sockaddr *)&bindaddr,addrsize);
if(ret==-1)
{
printf("bind failed!\n");
return -1;
}
ret=listen(sockfd,5);
if(ret==-1)
{
printf("listen failed!\n");
return -1;
}
newsock=accept(sockfd,(struct sockaddr *)&boyaddr,&addrsize);
if(newsock==-1)
{
printf("accept failed!\n");
return -1;
}
//pthread_create(&id1,NULL,(void *)TCP_Listen,NULL);
while(1)
{
if(Raspi_DHT11_Read()==0)
{
sendbuf[1]=dht11_val[0]; //tem
sendbuf[2]=dht11_val[2]; //rah
dht11_flag=0;
}
if(bmp280_flag==0)
{
Raspi_BMP280_Read_Pressure();
pres_int=(int)pres;
pres_h=pres_int>>8;
pres_l=pres_int&0xff;
sendbuf[3]=pres_h;
sendbuf[4]=pres_l;
pres_flo=(int)(pres*100);
sendbuf[5]=pres_flo;
}
/*
Get_Time();
sendbuf[6]=hour;
sendbuf[7]=minute;
sendbuf[8]=second;*/
if(dht11_flag==0&&bmp280_flag==0)
{
sendbuf[0]=0x01;
send(newsock,sendbuf,10,0);
}
}
close(sockfd);
close(newsock);
return 0;
}
mainwindow.ui
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainWindow</class>
<widget class="QMainWindow" name="MainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>336</width>
<height>246</height>
</rect>
</property>
<property name="mouseTracking">
<bool>false</bool>
</property>
<property name="windowTitle">
<string>MainWindow</string>
</property>
<widget class="QWidget" name="centralWidget">
<widget class="QTabWidget" name="tabWidget">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>331</width>
<height>201</height>
</rect>
</property>
<property name="currentIndex">
<number>0</number>
</property>
<widget class="QWidget" name="T1">
<property name="layoutDirection">
<enum>Qt::LeftToRight</enum>
</property>
<attribute name="title">
<string>環境檢測</string>
</attribute>
<widget class="QLabel" name="LABEL3">
<property name="geometry">
<rect>
<x>20</x>
<y>10</y>
<width>41</width>
<height>31</height>
</rect>
</property>
<property name="text">
<string>溫度</string>
</property>
</widget>
<widget class="QLCDNumber" name="LCDN1">
<property name="geometry">
<rect>
<x>80</x>
<y>10</y>
<width>64</width>
<height>31</height>
</rect>
</property>
</widget>
<widget class="QLabel" name="LABEL1">
<property name="geometry">
<rect>
<x>200</x>
<y>10</y>
<width>41</width>
<height>31</height>
</rect>
</property>
<property name="text">
<string>溼度</string>
</property>
</widget>
<widget class="QLCDNumber" name="LCDN2">
<property name="geometry">
<rect>
<x>250</x>
<y>10</y>
<width>64</width>
<height>31</height>
</rect>
</property>
</widget>
<widget class="QLabel" name="LABEL2">
<property name="geometry">
<rect>
<x>20</x>
<y>60</y>
<width>31</width>
<height>17</height>
</rect>
</property>
<property name="text">
<string>氣壓</string>
</property>
</widget>
<widget class="QLabel" name="LABEL4">
<property name="geometry">
<rect>
<x>160</x>
<y>50</y>
<width>41</width>
<height>31</height>
</rect>
</property>
<property name="text">
<string>百帕</string>
</property>
</widget>
<widget class="QLabel" name="LABEL5">
<property name="geometry">
<rect>
<x>20</x>
<y>100</y>
<width>67</width>
<height>21</height>
</rect>
</property>
<property name="text">
<string>伺服器ip</string>
</property>
</widget>
<widget class="QTextEdit" name="TE1">
<property name="geometry">
<rect>
<x>80</x>
<y>100</y>
<width>111</width>
<height>31</height>
</rect>
</property>
</widget>
<widget class="QTextEdit" name="TE2">
<property name="geometry">
<rect>
<x>280</x>
<y>100</y>
<width>41</width>
<height>31</height>
</rect>
</property>
<property name="autoFillBackground">
<bool>false</bool>
</property>
<property name="inputMethodHints">
<set>Qt::ImhMultiLine</set>
</property>
</widget>
<widget class="QLabel" name="LABEL6">
<property name="geometry">
<rect>
<x>230</x>
<y>100</y>
<width>51</width>
<height>21</height>
</rect>
</property>
<property name="text">
<string>埠號</string>
</property>
</widget>
<widget class="QPushButton" name="PB1">
<property name="geometry">
<rect>
<x>150</x>
<y>140</y>
<width>89</width>
<height>25</height>
</rect>
</property>
<property name="text">
<string>連線</string>
</property>
</widget>
<widget class="QLabel" name="label7">
<property name="geometry">
<rect>
<x>80</x>
<y>60</y>
<width>71</width>
<height>17</height>
</rect>
</property>
<property name="text">
<string/>
</property>
</widget>
</widget>
<widget class="QWidget" name="T2">
<attribute name="title">
<string>音樂播放</string>
</attribute>
<widget class="QTextBrowser" name="TB">
<property name="geometry">
<rect>
<x>10</x>
<y>10</y>
<width>311</width>
<height>91</height>
</rect>
</property>
</widget>
<widget class="QSlider" name="HS">
<property name="geometry">
<rect>
<x>10</x>
<y>110</y>
<width>341</width>
<height>21</height>
</rect>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
</widget>
<widget class="QPushButton" name="PB2">
<property name="geometry">
<rect>
<x>20</x>
<y>140</y>
<width>89</width>
<height>25</height>
</rect>
</property>
<property name="text">
<string>檢索音樂</string>
</property>
</widget>
<widget class="QPushButton" name="PB3">
<property name="geometry">
<rect>
<x>130</x>
<y>140</y>
<width>89</width>
<height>25</height>
</rect>
</property>
<property name="text">
<string>播放音樂</string>
</property>
</widget>
<widget class="QPushButton" name="PB4">
<property name="geometry">
<rect>
<x>240</x>
<y>140</y>
<width>89</width>
<height>25</height>
</rect>
</property>
<property name="text">
<string>暫停</string>
</property>
</widget>
</widget>
</widget>
</widget>
<widget class="QToolBar" name="mainToolBar">
<attribute name="toolBarArea">
<enum>TopToolBarArea</enum>
</attribute>
<attribute name="toolBarBreak">
<bool>false</bool>
</attribute>
</widget>
<widget class="QMenuBar" name="menuBar">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>336</width>
<height>28</height>
</rect>
</property>
<widget class="QMenu" name="menu">
<property name="title">
<string>智慧家居系統</string>
</property>
</widget>
<addaction name="menu"/>
</widget>
<widget class="QToolBar" name="toolBar">
<property name="windowTitle">
<string>toolBar</string>
</property>
<attribute name="toolBarArea">
<enum>TopToolBarArea</enum>
</attribute>
<attribute name="toolBarBreak">
<bool>false</bool>
</attribute>
</widget>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources/>
<connections/>
</ui>
main.cpp
#include "mainwindow.h"
#include <QApplication>
#include <QLabel>
#include <QPushButton>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}
mainwindow.cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
connect(socket,SIGNAL(disconnected()),this,SLOT(Disconnect_to_Server_Succeed()));
connect(socket,SIGNAL(connected()),this,SLOT(Connect_to_Server_Succeed()));
connect(socket,SIGNAL(readyRead()),this,SLOT(Read_from_Server_Succeed()));
ui->PB1->setEnabled(true);
/* ui->HS1-&