Temperature IoT دماسنج IOT

#include <OneWire.h>
#include <SPI.h>
#include <Ethernet.h>

byte mac[] = { 0xDE, 0xED, 0xBE, 0xEF, 0xFE, 0xD1 };        // mac address for ethernet board
EthernetClient eth;                                         // the Ethernet client

char server[]  = "www.ic2pro.com";                          // Wiring Cloud host name
int port       = 80;
String devId   = "111-222-333";                             // Device ID. CREATE YOUR OWN GUID; Use this http://www.guidgenerator.com/
String auth    = "dXNlcjpwYXNzd29yZA==";                    // Authentication credentials Create a string from <email_address>:<API_Password> and encode it base64
                                                            // The sample here "dXNlcjpwYXNzd29yZA==" is the encoding for "user:password"

OneWire  ds(8);                                             // Temperature sensor is connected to pin 8 (Signal(DS18B20) -> D8)


// Update TEMPERATURE signal on the Wiring Cloud
void sendTemperature(String temperature)
{
  Serial.println("Temperature = " + temperature);
  Serial.println("Send Temperature...");
  if (eth.connect(server, port)) {                                                          // initialize HTTP connection on port 80
    eth.println("GET http://" + String(server) + ":" + String(port) + "/Wire/connector/set?id=" + devId + "&TEMPERATURE=" + temperature+ " HTTP/1.1");   // submit HTTP request
    eth.println("Authorization: Basic " + auth);
    eth.println("Connection: close");
    eth.println();
    Serial.println("Temperature sent to server.");
  }
  else {
    Serial.println("Connection Error");
  }
  eth.stop();
}


// retrieve temperature from DS18B20 sensor
String getTemperature()
{
  byte type_s;
  byte data[12];
  byte addr[8];
  float celsius;
  char scelsius[10];

  if ( !ds.search(addr)) {                                            // find chip
    if ( !ds.search(addr)) {
      ds.reset_search();
      delay(250);
      return "ERR1";
    }
  }

  if (OneWire::crc8(addr, 7) != addr[7]) {                            // check CRC
    return "ERR2";
  }

  switch (addr[0]) {                                                  // test if it's a proper chip
    case 0x10: type_s = 1; break;
    case 0x28: type_s = 0; break;
    case 0x22: type_s = 0; break;
    default:
      Serial.println("Device is not a DS18x20 family device.");       // Not a proper chip 
      return "ERR3";
  }

  ds.reset();
  ds.select(addr);
  ds.write(0x44, 1);                                                  // initiate conversion

  delay(1000); // maybe 750ms is enough, maybe not

  ds.reset();
  ds.select(addr);
  ds.write(0xBE);

  for (byte i = 0; i < 9; i++) {                                     // read data
    data[i] = ds.read();
  }

  
  int16_t raw = (data[1] << ۸) | data[0];                            // Convert the data to temperature
  if (type_s) {
    raw = raw << ۳;
    if (data[7] == 0x10) {
      raw = (raw & 0xFFF0) + ۱۲ - data[6];
    }
  } else {
    byte cfg = (data[4] & 0x60);
    if (cfg == 0x00) raw = raw & ~7;                                // based on the resolution make the conversion 
    else if (cfg == 0x20) raw = raw & ~3;
    else if (cfg == 0x40) raw = raw & ~1;
  }
  celsius = (float)raw / 16.0;
  dtostrf(celsius, ۵, ۲, scelsius);
  return scelsius;                                                   // return value in Celsius
}

void setup() {
  Serial.begin(9600);
  Serial.println("Start...");

  Ethernet.begin(mac);                                           // start the Ethernet connection:
  delay(1000);                                                   // give the Ethernet shield a second to initialize:
}

void loop() {
    sendTemperature(getTemperature());
    delay(5000);                                                  // send temperature only every 2 seconds
}