[pre lang="arduino" line="1" file="yeelink"]#include <SPI.h>
#include <Ethernet.h>
#include <Wire.h>
#include <math.h>
#include <Adafruit_BMP085.h>
#include "DHT.h"
int BH1750address = 0x23;
byte buff[2];
int BMP085address = 0x25;
#define DHTPIN 2
#define DHTTYPE DHT11 // DHT 11
// for yeelink api
#define APIKEY "67091e8255dc2f2d8e589974bc166531" // replace your yeelink api key here
#define deviceid 164872 // replace your device ID
#define sensorid 183023 // replace your sensor ID
#define deviceid 164872 // replace your device ID
#define sensorid 183049 // replace your sensor ID
#define deviceid 164872 // replace your device ID
#define sensorid 183050 // replace your sensor ID
#define deviceid 164872 // replace your device ID
#define sensorid 381365 // replace your sensor ID
// assign a MAC address for the ethernet controller.
byte mac[] = { 0x5A, 0x94, 0x5D, 0x2a, 0x96, 0x9C};
// initialize the library instance:
EthernetClient client;
char server[] = "api.yeelink.net"; // name address for yeelink API
unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
boolean lastConnected = false; // state of the connection last time through the main loop
const unsigned long postingInterval = 5*1000; // delay between 2 datapoints, 30s
DHT dht(DHTPIN, DHTTYPE);
Adafruit_BMP085 bmp;
void setup() {
Wire.begin();
// start serial port:
Serial.begin(57600);
dht.begin();
bmp.begin();
// start the Ethernet connection with DHCP:
if (Ethernet.begin(mac) == 0) {
Serial.println("Failed to configure Ethernet using DHCP");
for(;;)
;
}
else {
Serial.println("Ethernet configuration OK");
}
}
void loop() {
float h = dht.readHumidity();
Serial.print("Humidity: ");
Serial.print(h);
Serial.print(" %\t");
Serial.print("Temperature = ");
Serial.print(bmp.readTemperature());
Serial.println(" *C");
Serial.print("Pressure = ");
Serial.print(bmp.readPressure());
Serial.println(" Pa");
// if there's incoming data from the net connection.
// send it out the serial port. This is for debugging
// purposes only:
if (client.available()) {
char c = client.read();
Serial.print(c);
}
// if there's no net connection, but there was one last time
// through the loop, then stop the client:
if (!client.connected() && lastConnected) {
Serial.println();
Serial.println("disconnecting.");
client.stop();
}
// if you're not connected, and ten seconds have passed since
// your last connection, then connect again and send data:
if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) {
// read sensor data, replace with your code
int sensorReading = readLightSensor();
//send data to server
sendData(sensorReading);
}
// store the state of the connection for next time through
// the loop:
lastConnected = client.connected();
}
// this method makes a HTTP connection to the server:
void sendData(int thisData) {
// if there's a successful connection:
if (client.connect(server, 80)) {
Serial.println("connecting...");
// send the HTTP PUT request:
client.print("POST /v1.0/device/");
client.print(deviceid);
client.print("/sensor/");
client.print(sensorid);
client.print("/datapoints");
client.println(" HTTP/1.1");
client.println("Host: api.yeelink.net");
client.print("Accept: *");
client.print("/");
client.println("*");
client.print("U-ApiKey: ");
client.println(APIKEY);
client.print("Content-Length: ");
// calculate the length of the sensor reading in bytes:
// 8 bytes for {"value":} + number of digits of the data:
int thisLength = 10 + getLength(thisData);
client.println(thisLength);
client.println("Content-Type: application/x-www-form-urlencoded");
client.println("Connection: close");
client.println();
// here's the actual content of the PUT request:
client.print("{\"value\":");
client.print(thisData);
client.println("}");
}
else {
// if you couldn't make a connection:
Serial.println("connection failed");
Serial.println();
Serial.println("disconnecting.");
client.stop();
}
// note the time that the connection was made or attempted:
lastConnectionTime = millis();
}
// This method calculates the number of digits in the
// sensor reading. Since each digit of the ASCII decimal
// representation is a byte, the number of digits equals
// the number of bytes:
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;
}
///////////////////////////////////////////////////////////////////////////
// get data from light sensor
// you can replace this code for your sensor
int readLightSensor()
{
float h = dht.readHumidity();
float t = dht.readTemperature();
Serial.print("Humidity: ");
Serial.print(h);
Serial.print(" %\t");
Serial.print("Temperature = ");
Serial.print(bmp.readTemperature());
Serial.println(" *C");
Serial.print("Pressure = ");
Serial.print(bmp.readPressure());
Serial.println(" Pa");
uint16_t val=0;
BH1750_Init(BH1750address);
delay(200);
if(2==BH1750_Read(BH1750address))
{
val=((buff[0]<<8)|buff[1])/1.2;
}
Serial.print("Sensor value is: ");
Serial.println((int)val);
return val;
}
int BH1750_Read(int address) //
{
int i=0;
Wire.beginTransmission(address);
Wire.requestFrom(address, 2);
while(Wire.available()) //
{
buff = Wire.read(); // receive one byte
i++;
}
Wire.endTransmission();
return i;
}
void BH1750_Init(int address)
{
Wire.beginTransmission(address);
Wire.write(0x10);//1lx reolution 120ms
Wire.endTransmission();
}[/code] |
发表于 2016-2-19 16:25:06
楼主