text: /********************************************************************************************
   * drivers/sensors/bmp180.h
   *
   *   Copyright (C) 2015 Gregory Nutt. All rights reserved.
   *   Author: Alan Carvalho de Assis <acassis@gmail.com>
   *
   * 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 NuttX 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 AND CONTRIBUTORS
   * "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 OWNER OR CONTRIBUTORS 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 __DRIVERS_SENSORS_BMP180_H
  #define __DRIVERS_SENSORS_BMP180_H
  
  #if defined(CONFIG_BMP180)
  
  /********************************************************************************************
   * Pre-processor Definitions
   ********************************************************************************************/
  
  #define BMP180_I2C_PORTNO 1
  
  /* Configuration ****************************************************************************/
  /* Prerequisites:
   *
   * CONFIG_BMP180
   *   Enables support for the BMP180 driver
   * CONFIG_BMP180_REGDEBUG
   *   Enable very low register-level debug output.  Requires CONFIG_DEBUG.
   */
  
  /********************************************************************************************
   * Public Function Prototypes
   ********************************************************************************************/
  
  #ifdef __cplusplus
  #define EXTERN extern "C"
  extern "C"
  {
  #else
  #define EXTERN extern
  #endif
  
  /****************************************************************************
   * Name: bmp180_register
   *
   * Description:
   *   Register the BMP180 character device as 'devpath'
   *
   * Input Parameters:
   *   devpath - The full path to the driver to register. E.g., "/dev/press0"
   *   i2c     - An instance of the I2C interface to use to communicate with
   *             BMP180
   *
   * Returned Value:
   *   Zero (OK) on success; a negated errno value on failure.
   *
   ****************************************************************************/
  
  int bmp180_register(FAR const char *devpath, FAR struct i2c_dev_s *i2c);
  
  #undef EXTERN
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* CONFIG_BMP180 */
  #endif /* __DRIVERS_BMP180_H */
  