Grove_Barometer_Sensor/BMP085.h

/*
    Barometer.h
    A library for barometer

    Copyright (c) 2012 seeed technology inc.
    Website    : www.seeed.cc
    Author     : LG
    Create Time:
    Change Log :

    loovee 9-24-2014
    Change all int to short, all unsigned int to unsigned short to fit some 32bit system

    The MIT License (MIT)


    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
*/
#ifndef __BMP085_H__
#define __BMP085_H__

#include <Arduino.h>
#include <Wire.h>

const unsigned char OSS = 0;
#define BMP085_ADDRESS 0x77

class BMP085 {
  public:
    void init(void);
    long PressureCompensate;
    float bmp085GetTemperature(unsigned short ut);
    long bmp085GetPressure(unsigned long up);
    float calcAltitude(float seaLevelPressure = 101325);
    unsigned short bmp085ReadUT(void);
    unsigned long bmp085ReadUP(void);

  private:

    short ac1;
    short ac2;
    short ac3;
    unsigned short ac4;
    unsigned short ac5;
    unsigned short ac6;
    short b1;
    short b2;
    short mb;
    short mc;
    short md;
    char bmp085Read(unsigned char address);
    short bmp085ReadInt(unsigned char address);
    void writeRegister(short deviceAddress, byte address, byte val);
    short readRegister(short deviceAddress, byte address);
};

#endif