dallas-temperature-interface/DallasTemperatureInterface.ino

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

OneWire one_wire_network(2);
DallasTemperature sensors(&one_wire_network);
const uint8_t sensors_max_count = 8;
uint8_t sensors_count;
DeviceAddress sensors_addrs[sensors_max_count];

// typedef uint8_t DeviceAddress[8];
void printAddress(DeviceAddress addr)
{
  Serial.print("0x");
  for(int i=0; i<8; i++) {
    if(addr[i] < 16) Serial.print('0');
    Serial.print(addr[i], HEX);
  }
}

void setup()
{
  Serial.begin(9600);
  Serial.println("a buhh");
  Serial.println("dallas-temperature-interface 1.0.0");
  
  sensors.begin();
  sensors_count = 0;
  for(uint8_t i=0; i<sensors.getDeviceCount(); i++) {
    Serial.print("address ");
    Serial.print(i);
    Serial.print(' ');
    if(sensors.getAddress(sensors_addrs[sensors_count], i)) {
      printAddress(sensors_addrs[sensors_count]);
      Serial.println();
      sensors_count++;
    } else {
      Serial.println('n/a');
    }
  }
  
  for(uint8_t i=0; i<sensors_count; i++) {
    Serial.print("resolution ");
    printAddress(sensors_addrs[i]);
    Serial.print(' ');
    Serial.println(sensors.getResolution(sensors_addrs[i]), DEC);
  }
}

void loop()
{
  unsigned long request_millis = millis();
  sensors.requestTemperatures();
  for(uint8_t i=0; i<sensors_count; i++) {
    Serial.print("temperature ");
    Serial.print(request_millis);
    Serial.print(' ');
    printAddress(sensors_addrs[i]);
    Serial.print(' ');
    float temp = sensors.getTempC(sensors_addrs[i]);
    if(abs(temp - DEVICE_DISCONNECTED_C) < 0.1) {
      Serial.println("disconnected");
    } else {
      Serial.println(temp);
    }
  }
}