HDC1000 sample code

#include "Wire.h"

#define ADDR  0x40

uint16_t temp, humi;

void setup() {
  Serial.begin(9600);
  Wire.begin();
  Wire.beginTransmission(ADDR);
  Wire.write(0x02);
  Wire.write(0x10);
  Wire.write(0x00);
  Wire.endTransmission();
}

void loop() {
  printTempHumi();
  delay(500);
}

void printTempHumi(){
  Wire.beginTransmission(ADDR);
  Wire.write(0x00);
  Wire.endTransmission();
  delay(20);
  Wire.requestFrom(ADDR, 4);
    if(Wire.available()>=4){
        temp = Wire.read()<<8;
        temp += Wire.read();
        humi = Wire.read()<<8;
        humi += Wire.read();
    }
  Serial.println(temp);
  Serial.println(humi);
}