#include <OneWire.h>
#include <DallasTemperature.h>

// Data wire is plugged into port 2 on the Arduino
#define ONE_WIRE_BUS 2
#define TEMPERATURE_PRECISION 12 // not used

// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature. 
DallasTemperature sensors(&oneWire);

// arrays to hold device addresses
DeviceAddress Thermometer[12];
float tempC;
byte nsensors;
byte x;
char trenn = 9;

// function to print a device address
void printAddress(DeviceAddress deviceAddress)
{
  for (uint8_t i = 0; i < 8; i++)
  {
    // zero pad the address if necessary
    if (deviceAddress[i] < 16) Serial.print("0");
    Serial.print(deviceAddress[i], HEX);
  }
}

void setup() {
  // start serial port
  Serial.begin(9600);
  Serial.println("Initalizing Dallas Temperature IC Control Library");

  // Start up the library
  sensors.begin();

  // locate devices on the bus
  Serial.print("Locating devices...");
  Serial.print("Found ");
  nsensors = sensors.getDeviceCount();
  Serial.print(nsensors, DEC);
  Serial.println(" devices.");

  // report parasite power requirements
  Serial.print("Parasite power is: "); 
  if (sensors.isParasitePowerMode()) Serial.println("ON");
  else Serial.println("OFF");

  oneWire.reset_search();

  for (x = 0; x < nsensors; x ++)
  {
    if (!oneWire.search(Thermometer[x])) Serial.println("Unable to find address for insideThermometer");
    Serial.print("Device ");
    Serial.print(x, DEC);
    Serial.print(" Address: ");
    printAddress(Thermometer[x]);
    Serial.print(" Resolution: ");
    Serial.print(sensors.getResolution(Thermometer[x]), DEC); 
    Serial.println();
  
  }
  
}

void loop() {
  // call sensors.requestTemperatures() to issue a global temperature 
  // request to all devices on the bus
  Serial.print("Requesting temperatures...");
  sensors.requestTemperatures();
  Serial.println("DONE");
  
  for (x = 0; x < nsensors; x ++)
  {
    tempC = sensors.getTempC(Thermometer[x]);
    Serial.print(tempC);
    Serial.print(trenn);
  
  }
  Serial.println();
  delay(2000);
}