text: /****************************************************************************
   * boards/arm/rp2040/common/include/rp2040_lcd_backpack.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 __BOARDS_ARM_RP2040_COMMON_INCLUDE_RP2040_LCD_BACKPACK_H
  #define __BOARDS_ARM_RP2040_COMMON_INCLUDE_RP2040_LCD_BACKPACK_H
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /****************************************************************************
   * Type Definitions
   ****************************************************************************/
  
  /****************************************************************************
   * Public Types
   ****************************************************************************/
  
  /****************************************************************************
   * Public Data
   ****************************************************************************/
  
  #ifdef __cplusplus
  #define EXTERN extern "C"
  extern "C"
  {
  #else
  #define EXTERN extern
  #endif
  
  /****************************************************************************
   * Inline Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Public Function Prototypes
   ****************************************************************************/
  
  /****************************************************************************
   * Name: board_lcd_backpack_init
   *
   * Description:
   *   Initialize the LCD1602 display controlled by Backpack with PCF8574
   *
   * Input Parameters:
   *   devpath - The full path to the driver to register. E.g., "/dev/slcd0"
   *
   * Returned Value:
   *   Zero (OK) on success; a negated errno value on failure.
   *
   ****************************************************************************/
  
  int board_lcd_backpack_init(int devno, int busno, int rows, int cols);
  
  #undef EXTERN
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __BOARDS_ARM_RP2040_COMMON_INCLUDE_RP2040_LCD_BACKPACK_H */
  