Adafruit_BMP085.h

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#ifndef ADAFRUIT_BMP085_H
#define ADAFRUIT_BMP085_H

#include <Adafruit_I2CDevice.h>
#include <Arduino.h>

#define BMP085_DEBUG 0 

#define BMP085_I2CADDR 0x77 

#define BMP085_ULTRALOWPOWER 0 
#define BMP085_STANDARD 1      
#define BMP085_HIGHRES 2       
#define BMP085_ULTRAHIGHRES 3  
#define BMP085_CAL_AC1 0xAA    
#define BMP085_CAL_AC2 0xAC    
#define BMP085_CAL_AC3 0xAE    
#define BMP085_CAL_AC4 0xB0    
#define BMP085_CAL_AC5 0xB2    
#define BMP085_CAL_AC6 0xB4    
#define BMP085_CAL_B1 0xB6     
#define BMP085_CAL_B2 0xB8     
#define BMP085_CAL_MB 0xBA     
#define BMP085_CAL_MC 0xBC     
#define BMP085_CAL_MD 0xBE     

#define BMP085_CONTROL 0xF4         
#define BMP085_TEMPDATA 0xF6        
#define BMP085_PRESSUREDATA 0xF6    
#define BMP085_READTEMPCMD 0x2E     
#define BMP085_READPRESSURECMD 0x34 


class Adafruit_BMP085 {
public:
  Adafruit_BMP085();
  bool begin(uint8_t mode = BMP085_ULTRAHIGHRES, TwoWire *wire = &Wire);
  float readTemperature(void);
  int32_t readPressure(void);
  int32_t readSealevelPressure(float altitude_meters = 0);
  float readAltitude(float sealevelPressure = 101325); // std atmosphere
  uint16_t readRawTemperature(void);
  uint32_t readRawPressure(void);

private:
  int32_t computeB5(int32_t UT);
  uint8_t read8(uint8_t addr);
  uint16_t read16(uint8_t addr);
  void write8(uint8_t addr, uint8_t data);

  Adafruit_I2CDevice *i2c_dev;
  uint8_t oversampling;

  int16_t ac1, ac2, ac3, b1, b2, mb, mc, md;
  uint16_t ac4, ac5, ac6;
};

#endif //  ADAFRUIT_BMP085_H