text: /****************************************************************************
   * include/nuttx/lcd/gc9a01.h
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.  The
   * ASF licenses this file to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance with the
   * License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations
   * under the License.
   *
   ****************************************************************************/
  
  #ifndef __INCLUDE_NUTTX_LCD_GC9A01_H
  #define __INCLUDE_NUTTX_LCD_GC9A01_H
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <stdbool.h>
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /****************************************************************************
   * Public Types
   ****************************************************************************/
  
  /****************************************************************************
   * Public Data
   ****************************************************************************/
  
  #ifdef __cplusplus
  extern "C"
  {
  #endif
  
  /****************************************************************************
   * Public Function Prototypes
   ****************************************************************************/
  
  /****************************************************************************
   * Name:  gc9a01_initialize
   *
   * Description:
   *   Initialize the GC9A01 video hardware.  The initial state of the
   *   LCD is fully initialized, display memory cleared, and the LCD ready
   *   to use, but with the power setting at 0 (full off == sleep mode).
   *
   * Returned Value:
   *
   *   On success, this function returns a reference to the LCD object for
   *   the specified LCD.  NULL is returned on any failure.
   *
   ****************************************************************************/
  
  FAR struct lcd_dev_s *gc9a01_lcdinitialize(FAR struct spi_dev_s *spi);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __INCLUDE_NUTTX_LCD_GC9A01_H */
  