51 lines
899 B
C++
51 lines
899 B
C++
/*!
|
|
* @file Adafruit_HTU21DF.h
|
|
*/
|
|
|
|
#ifndef _ADAFRUIT_HTU21DF_H
|
|
#define _ADAFRUIT_HTU21DF_H
|
|
|
|
#if (ARDUINO >= 100)
|
|
#include "Arduino.h"
|
|
#else
|
|
#include "WProgram.h"
|
|
#endif
|
|
#include "Wire.h"
|
|
|
|
/** Default I2C address for the HTU21D. */
|
|
#define HTU21DF_I2CADDR (0x40)
|
|
|
|
/** Read temperature register. */
|
|
#define HTU21DF_READTEMP (0xE3)
|
|
|
|
/** Read humidity register. */
|
|
#define HTU21DF_READHUM (0xE5)
|
|
|
|
/** Write register command. */
|
|
#define HTU21DF_WRITEREG (0xE6)
|
|
|
|
/** Read register command. */
|
|
#define HTU21DF_READREG (0xE7)
|
|
|
|
/** Reset command. */
|
|
#define HTU21DF_RESET (0xFE)
|
|
|
|
/**
|
|
* Driver for the Adafruit HTU21DF breakout board.
|
|
*/
|
|
class Adafruit_HTU21DF {
|
|
public:
|
|
Adafruit_HTU21DF();
|
|
|
|
boolean begin(void);
|
|
float readTemperature(void);
|
|
float readHumidity(void);
|
|
void reset(void);
|
|
|
|
private:
|
|
boolean readData(void);
|
|
float _last_humidity, _last_temp;
|
|
};
|
|
|
|
#endif /* _ADAFRUIT_HTU21DF_H */
|