text: /*
   * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
   * Copyright 2016 NXP
   * All rights reserved.
   *
   * SPDX-License-Identifier: BSD-3-Clause
   */
  
  #ifndef __USB_DEVICE_CH9_H__
  #define __USB_DEVICE_CH9_H__
  
  /*******************************************************************************
   * Definitions
   ******************************************************************************/
  /*!
   * @addtogroup usb_device_ch9
   * @{
   */
  
  /*******************************************************************************
   * Definitions
   ******************************************************************************/
  
  /*! @brief Defines USB device status size when the host request to get device status */
  #define USB_DEVICE_STATUS_SIZE (0x02U)
  
  /*! @brief Defines USB device interface status size when the host request to get interface status */
  #define USB_INTERFACE_STATUS_SIZE (0x02U)
  
  /*! @brief Defines USB device endpoint status size when the host request to get endpoint status */
  #define USB_ENDPOINT_STATUS_SIZE (0x02U)
  
  /*! @brief Defines USB device configuration size when the host request to get current configuration */
  #define USB_CONFIGURE_SIZE (0X01U)
  
  /*! @brief Defines USB device interface alternate setting size when the host request to get interface alternate setting
   */
  #define USB_INTERFACE_SIZE (0X01U)
  
  /*! @brief Defines USB device status mask */
  #define USB_GET_STATUS_DEVICE_MASK (0x03U)
  
  /*! @brief Defines USB device interface status mask */
  #define USB_GET_STATUS_INTERFACE_MASK (0x03U)
  
  /*! @brief Defines USB device endpoint status mask */
  #define USB_GET_STATUS_ENDPOINT_MASK (0x03U)
  
  /*! @brief Control read and write sequence */
  typedef enum _usb_device_control_read_write_sequence
  {
      kUSB_DeviceControlPipeSetupStage = 0U, /*!< Setup stage */
      kUSB_DeviceControlPipeDataStage,       /*!< Data stage */
      kUSB_DeviceControlPipeStatusStage,     /*!< status stage */
  } usb_device_control_read_write_sequence_t;
  
  /*******************************************************************************
   * API
   ******************************************************************************/
  #if defined(__cplusplus)
  extern "C" {
  #endif
  
  /*******************************************************************************
   * API
   ******************************************************************************/
  
  /*!
   * @brief Initialize the control pipes.
   *
   * The function is used to initialize the control pipes. This function should be called when event
   * kUSB_DeviceEventBusReset is received.
   *
   * @param handle      The device handle.
   *
   * @return A USB error code or kStatus_USB_Success.
   */
  extern usb_status_t USB_DeviceControlPipeInit(usb_device_handle handle);
  
  #if defined(__cplusplus)
  }
  #endif
  
  /*! @}*/
  
  #endif /* __USB_DEVICE_CH9_H__ */
  