text: /****************************************************************************
   * arch/arm/src/lpc11xx/lpc11_i2c.h
   *
   *   Copyright (C) 2015, 2016 Gregory Nutt. All rights reserved.
   *   Author: Gregory Nutt <gnutt@nuttx.org>
   *
   * 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 __ARCH_ARM_SRC_LPC11XX_LPC11_I2C_H
  #define __ARCH_ARM_SRC_LPC11XX_LPC11_I2C_H
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  #include <nuttx/i2c/i2c_master.h>
  #include "chip/lpc11_i2c.h"
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: lpc11_i2cbus_initialize
   *
   * Description:
   *   Initialize the selected I2C port. And return a unique instance of struct
   *   struct i2c_master_s.  This function may be called to obtain multiple
   *   instances of the interface, each of which may be set up with a
   *   different frequency and slave address.
   *
   * Input Parameters:
   *   Port number (for hardware that has multiple I2C interfaces)
   *
   * Returned Value:
   *   Valid I2C device structure reference on succcess; a NULL on failure
   *
   ****************************************************************************/
  
  FAR struct i2c_master_s *lpc11_i2cbus_initialize(int port);
  
  /****************************************************************************
   * Name: lpc11_i2cbus_uninitialize
   *
   * Description:
   *   De-initialize the selected I2C port, and power down the device.
   *
   * Input Parameters:
   *   Device structure as returned by the lpc11_i2cbus_initialize()
   *
   * Returned Value:
   *   OK on success, ERROR when internal reference count mismatch or dev
   *   points to invalid hardware device.
   *
   ****************************************************************************/
  
  int lpc11_i2cbus_uninitialize(FAR struct i2c_master_s *dev);
  
  #endif /* __ARCH_ARM_SRC_LPC11XX_LPC11_I2C_H */
  