text: /**************************************************************************/
  /*! 
      @file     mpl115a2.h
      @author   K. Townsend (microBuilder.eu)
  
      @section LICENSE
  
      Software License Agreement (BSD License)
  
      Copyright (c) 2012, K. Townsend
      All rights reserved.
  
      Redistribution and use in source and binary forms, with or without
      modification, are permitted provided that the following conditions are met:
      1. Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
      2. Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
      3. Neither the name of the copyright holders nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.
  
      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
      EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
      WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
      DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
      DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
      (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
      LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
      ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
      SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  /**************************************************************************/
  
  #ifndef _MPL115A2_H_
  #define _MPL115A2_H_
  
  #include "projectconfig.h"
  #include "core/i2c/i2c.h"
  
  #define MPL115A2_ADDRESS              (0xC0)    // 1100 000 shifted left 1 bit = 0xC0
  #define MPL115A2_READBIT              (0x01)
  
  enum
  {
    MPL115A2_REGISTER_PRESSURE_MSB     = 0x00,
    MPL115A2_REGISTER_PRESSURE_LSB     = 0x01,
    MPL115A2_REGISTER_TEMP_MSB         = 0x02,
    MPL115A2_REGISTER_TEMP_LSB         = 0x03,
    MPL115A2_REGISTER_A0_COEFF_MSB     = 0x04,
    MPL115A2_REGISTER_A0_COEFF_LSB     = 0x05,
    MPL115A2_REGISTER_B1_COEFF_MSB     = 0x06,
    MPL115A2_REGISTER_B1_COEFF_LSB     = 0x07,
    MPL115A2_REGISTER_B2_COEFF_MSB     = 0x08,
    MPL115A2_REGISTER_B2_COEFF_LSB     = 0x09,
    MPL115A2_REGISTER_C12_COEFF_MSB    = 0x0A,
    MPL115A2_REGISTER_C12_COEFF_LSB    = 0x0B,
    MPL115A2_REGISTER_STARTCONVERSION  = 0x12
  };
  
  typedef enum
  {
    MPL115A2_ERROR_OK = 0,               // Everything executed normally
    MPL115A2_ERROR_I2CINIT,              // Unable to initialise I2C
    MPL115A2_ERROR_I2CBUSY,              // I2C already in use
    MPL115A2_ERROR_LAST
  }
  mpl115a2Error_t;
  
  mpl115a2Error_t mpl115a2Init(void);
  mpl115a2Error_t mpl115a2GetPressure(float *pressure);
  
  #endif
  
  
  