#ifndef HTU21D_H     //Definicion del archivo para header
#define HTU21D_H

#define HTU21D_ADDR 0x40	//Definition of sensor address direction 

//Commands for reading of temperature or humidity 
#define HTU21D_TEMP	    0xE3
#define HTU21D_HUM	    0xE5
#define HTU21D_RESET	0xFE

//Function declarations
// Temperature:
int get_temp(int fd, double *temp);
// Humidity:
int get_hum(int fd, double *hum);
// Reset:
int reset_sensor(int fd);

#endif