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weijinhe 发表于 2014-7-4 09:16

arduino实战教程-环保

本帖最后由 weijinhe 于 2014-10-15 12:48 编辑


http://machtalk.net/
智慧环保物联网解决方案，充分利用物联网通过实时采集污染源、环境质量、生态、环境风险等信息，构建全方位、多层次、全覆盖的生态环境监测网络，推动环境信息资源高效、精准的传递及海量数据资源中心和统一服务支撑平台建设,以更加精细和动态的方式实现环境管理和决策的“智慧”，从而构筑“感知测量更透彻，互联互通更可靠，智能应用更深入”的“智慧环保”物联网体系，实现环境保护的智慧化。一、智能环保包括：1、Machtalk物联网平台服务：实时监控城市环境状态，通过海量数据分析城市污染情况。machtalk.net2、数据采集系统：空气质量传感器、光照传感器、噪音传感器、气压传感器、温度传感器等。
3、监控通讯系统：arduino、wifi模块或Ethernet w5100模块。


#include <Wire.h>
#define BMP085_ADDRESS 0x77// I2C address of BMP085
const unsigned char OSS = 0;// Oversampling Setting
// Calibration values
int ac1;
int ac2;
int ac3;
unsigned int ac4;
unsigned int ac5;
unsigned int ac6;
int b1;
int b2;
int mb;
int mc;
int md;

// b5 is calculated in bmp085GetTemperature(...), this variable is also used in bmp085GetPressure(...)
// so ...Temperature(...) must be called before ...Pressure(...).
long b5;
int time=0;
void setup()
{

    Serial.begin(115200);//设置波特率
    pinMode(13,OUTPUT);
    Wire.begin();
    bmp085Calibration();
   
}
void loop()
{
float temperature = bmp085GetTemperature(bmp085ReadUT()); //MUST be called first
float pressure = bmp085GetPressure(bmp085ReadUP());
float atm = pressure / 101325; // "standard atmosphere"
float altitude = calcAltitude(pressure); //Uncompensated caculation - in Meters
int sensorValue;
int valg;
sensorValue=analogRead(A1);//光照
valg=(sensorValue*100)>>10;
int vals,sval=0;
for(int i=0;i<10;i++)
{
   vals=analogRead(A2);//声音
   sval=sval+vals;
}
sval=sval/10;
int dat = analogRead(A0);//空气质量

   
time=time+1;
if(time>5000)
{
    time=0;
}
if(time%7==1)
{
//sensorValue=(125*dat)>>8;
   digitalWrite(13,HIGH);

Serial.println("POST /v1.0/device/c996bf2c47094e868a8b4d2187995744/1/1/datapoints/add HTTP/1.1"); //设备ID用自己的替换 空气质量
Serial.println("Host: api.machtalk.net");
Serial.println("APIKey:7a19bd7874a541a6b4c50a831ea0b3b2"); //自己的替代
Serial.print("Accept: *");
Serial.print("/");   
Serial.println("*");
Serial.print("Content-Length: ");
int thislength=17+getLength(dat);
Serial.println(thislength);
Serial.println("Content-Type: application/x-www-form-urlencoded");
Serial.println("Connection: close");   
Serial.println();
Serial.print("params={\"value\":");
Serial.print(dat);
Serial.println("}");
delay(5000);
}
if(time%7==2)
{
//sensorValue=(125*dat)>>8;
   digitalWrite(13,HIGH);

Serial.println("POST /v1.0/device/6019e888cde04bd6b01348b5ad5f3991/1/1/datapoints/add HTTP/1.1"); //设备ID用自己的替换光照
Serial.println("Host: api.machtalk.net");
Serial.println("APIKey:7a19bd7874a541a6b4c50a831ea0b3b2"); //自己的替代
Serial.print("Accept: *");
Serial.print("/");   
Serial.println("*");
Serial.print("Content-Length: ");
int thislength=17+getLength(valg);
Serial.println(thislength);
Serial.println("Content-Type: application/x-www-form-urlencoded");
Serial.println("Connection: close");   
Serial.println();
Serial.print("params={\"value\":");
Serial.print(valg);
Serial.println("}");
delay(5000);
}
if(time%7==3)
{
//sensorValue=(125*dat)>>8;
   digitalWrite(13,HIGH);

Serial.println("POST /v1.0/device/57b6fc0fbe1e4a5a9bf377a5795042e6/1/1/datapoints/add HTTP/1.1"); //设备ID用自己的替换 声音
Serial.println("Host: api.machtalk.net");
Serial.println("APIKey:7a19bd7874a541a6b4c50a831ea0b3b2"); //自己的替代
Serial.print("Accept: *");
Serial.print("/");   
Serial.println("*");
Serial.print("Content-Length: ");
int thislength=17+getLength(sval);
Serial.println(thislength);
Serial.println("Content-Type: application/x-www-form-urlencoded");
Serial.println("Connection: close");   
Serial.println();
Serial.print("params={\"value\":");
Serial.print(sval);
Serial.println("}");
delay(5000);
}
if(time%7==4)
{
//sensorValue=(125*dat)>>8;
digitalWrite(13,HIGH);
Serial.println("POST /v1.0/device/d56fd419ed054e8db1caef7c9c62d2d0/1/1/datapoints/add HTTP/1.1"); //设备ID用自己的替换 压强温度
Serial.println("Host: api.machtalk.net");
Serial.println("APIKey:7a19bd7874a541a6b4c50a831ea0b3b2"); //自己的替代
Serial.print("Accept: *");
Serial.print("/");   
Serial.println("*");
Serial.print("Content-Length: ");
int thislength=18+sizeof(temperature);
Serial.println(thislength);
Serial.println("Content-Type: application/x-www-form-urlencoded");
Serial.println("Connection: close");   
Serial.println();
Serial.print("params={\"value\":");
Serial.print(temperature);
Serial.println("}");
digitalWrite(13,LOW);
delay(5000);
}
if(time%7==5)
{
//sensorValue=(125*dat)>>8;
   digitalWrite(13,HIGH);

Serial.println("POST /v1.0/device/d56fd419ed054e8db1caef7c9c62d2d0/2/1/datapoints/add HTTP/1.1"); //设备ID用自己的替换
Serial.println("Host: api.machtalk.net");
Serial.println("APIKey:7a19bd7874a541a6b4c50a831ea0b3b2"); //自己的替代
Serial.print("Accept: *");
Serial.print("/");   
Serial.println("*");
Serial.print("Content-Length: ");
int thislength=25+getLength(pressure);
Serial.println(thislength);
Serial.println("Content-Type: application/x-www-form-urlencoded");
Serial.println("Connection: close");   
Serial.println();
Serial.print("params={\"value\":");
Serial.print(pressure);
Serial.println("}");
delay(5000);
}
if(time%7==6)
{
//sensorValue=(125*dat)>>8;
   digitalWrite(13,HIGH);

Serial.println("POST /v1.0/device/d56fd419ed054e8db1caef7c9c62d2d0/3/1/datapoints/add HTTP/1.1"); //设备ID用自己的替换
Serial.println("Host: api.machtalk.net");
Serial.println("APIKey:7a19bd7874a541a6b4c50a831ea0b3b2"); //自己的替代
Serial.print("Accept: *");
Serial.print("/");   
Serial.println("*");
Serial.print("Content-Length: ");
int thislength=20+getLength(atm);
Serial.println(thislength);
Serial.println("Content-Type: application/x-www-form-urlencoded");
Serial.println("Connection: close");   
Serial.println();
Serial.print("params={\"value\":");
Serial.print(atm);
Serial.println("}");
digitalWrite(13,LOW);
delay(5000);
}
if(time%7==0)
{

   digitalWrite(13,HIGH);

Serial.println("POST /v1.0/device/d56fd419ed054e8db1caef7c9c62d2d0/4/1/datapoints/add HTTP/1.1"); //设备ID用自己的替换
Serial.println("Host: api.machtalk.net");
Serial.println("APIKey:7a19bd7874a541a6b4c50a831ea0b3b2"); //自己的替代
Serial.print("Accept: *");
Serial.print("/");   
Serial.println("*");
Serial.print("Content-Length: ");
int thislength=20+getLength(altitude);
Serial.println(thislength);
Serial.println("Content-Type: application/x-www-form-urlencoded");
Serial.println("Connection: close");   
Serial.println();
Serial.print("params={\"value\":");
Serial.print(altitude);
Serial.println("}");
digitalWrite(13,LOW);
delay(5000);
}

}
void bmp085Calibration()
{
ac1 = bmp085ReadInt(0xAA);
ac2 = bmp085ReadInt(0xAC);
ac3 = bmp085ReadInt(0xAE);
ac4 = bmp085ReadInt(0xB0);
ac5 = bmp085ReadInt(0xB2);
ac6 = bmp085ReadInt(0xB4);
b1 = bmp085ReadInt(0xB6);
b2 = bmp085ReadInt(0xB8);
mb = bmp085ReadInt(0xBA);
mc = bmp085ReadInt(0xBC);
md = bmp085ReadInt(0xBE);
}

// Calculate temperature in deg C
float bmp085GetTemperature(unsigned int ut){
long x1, x2;

x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;
x2 = ((long)mc << 11)/(x1 + md);
b5 = x1 + x2;

float temp = ((b5 + 8)>>4);
temp = temp /10;

return temp;
}

// Calculate pressure given up
// calibration values must be known
// b5 is also required so bmp085GetTemperature(...) must be called first.
// Value returned will be pressure in units of Pa.
long bmp085GetPressure(unsigned long up){
long x1, x2, x3, b3, b6, p;
unsigned long b4, b7;

b6 = b5 - 4000;
// Calculate B3
x1 = (b2 * (b6 * b6)>>12)>>11;
x2 = (ac2 * b6)>>11;
x3 = x1 + x2;
b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;

// Calculate B4
x1 = (ac3 * b6)>>13;
x2 = (b1 * ((b6 * b6)>>12))>>16;
x3 = ((x1 + x2) + 2)>>2;
b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;

b7 = ((unsigned long)(up - b3) * (50000>>OSS));
if (b7 < 0x80000000)
    p = (b7<<1)/b4;
else
    p = (b7/b4)<<1;

x1 = (p>>8) * (p>>8);
x1 = (x1 * 3038)>>16;
x2 = (-7357 * p)>>16;
p += (x1 + x2 + 3791)>>4;

long temp = p;
return temp;
}

// Read 1 byte from the BMP085 at 'address'
char bmp085Read(unsigned char address)
{
unsigned char data;

Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();

Wire.requestFrom(BMP085_ADDRESS, 1);
while(!Wire.available())
    ;

return Wire.read();
}

// Read 2 bytes from the BMP085
// First byte will be from 'address'
// Second byte will be from 'address'+1
int bmp085ReadInt(unsigned char address)
{
unsigned char msb, lsb;

Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(address);
Wire.endTransmission();

Wire.requestFrom(BMP085_ADDRESS, 2);
while(Wire.available()<2)
    ;
msb = Wire.read();
lsb = Wire.read();

return (int) msb<<8 | lsb;
}

// Read the uncompensated temperature value
unsigned int bmp085ReadUT(){
unsigned int ut;

// Write 0x2E into Register 0xF4
// This requests a temperature reading
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x2E);
Wire.endTransmission();

// Wait at least 4.5ms
delay(5);

// Read two bytes from registers 0xF6 and 0xF7
ut = bmp085ReadInt(0xF6);
return ut;
}

// Read the uncompensated pressure value
unsigned long bmp085ReadUP(){

unsigned char msb, lsb, xlsb;
unsigned long up = 0;

// Write 0x34+(OSS<<6) into register 0xF4
// Request a pressure reading w/ oversampling setting
Wire.beginTransmission(BMP085_ADDRESS);
Wire.write(0xF4);
Wire.write(0x34 + (OSS<<6));
Wire.endTransmission();

// Wait for conversion, delay time dependent on OSS
delay(2 + (3<<OSS));

// Read register 0xF6 (MSB), 0xF7 (LSB), and 0xF8 (XLSB)
msb = bmp085Read(0xF6);
lsb = bmp085Read(0xF7);
xlsb = bmp085Read(0xF8);

up = (((unsigned long) msb << 16) | ((unsigned long) lsb << 8) | (unsigned long) xlsb) >> (8-OSS);

return up;
}

void writeRegister(int deviceAddress, byte address, byte val) {
Wire.beginTransmission(deviceAddress); // start transmission to device
Wire.write(address);       // send register address
Wire.write(val);         // send value to write
Wire.endTransmission();   // end transmission
}

int readRegister(int deviceAddress, byte address){

int v;
Wire.beginTransmission(deviceAddress);
Wire.write(address); // register to read
Wire.endTransmission();

Wire.requestFrom(deviceAddress, 1); // read a byte

while(!Wire.available()) {
    // waiting
}

v = Wire.read();
return v;
}

float calcAltitude(float pressure){

float A = pressure/101325;
float B = 1/5.25588;
float C = pow(A,B);
C = 1 - C;
C = C /0.0000225577;

return C;
}
int getLength(int someValue) {
// there's at least one byte:
int digits = 1;
// continually divide the value by ten,
// adding one to the digit count for each
// time you divide, until you're at 0:
int dividend = someValue /10;
while (dividend > 0) {
    dividend = dividend /10;
    digits++;
}
// return the number of digits:
return digits;
}

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