text: /*
   * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
   * Copyright 2016 NXP
   * All rights reserved.
   *
   * SPDX-License-Identifier: BSD-3-Clause
   */
  #ifndef _USB_DEVICE_DESCRIPTOR_H_
  #define _USB_DEVICE_DESCRIPTOR_H_ 1
  
  /*******************************************************************************
   * Definitions
   ******************************************************************************/
  #define USB_DEVICE_SPECIFIC_BCD_VERSION (0x0200)
  #define USB_DEVICE_DEMO_BCD_VERSION     (0x0101U)
  
  /* Communication  Class Codes */
  #define CDC_COMM_CLASS (0x02)
  /* Data  Class Codes */
  #define CDC_DATA_CLASS (0x0A)
  
  /* Communication Class SubClass Codes */
  #define USB_CDC_DIRECT_LINE_CONTROL_MODEL         (0x01)
  #define USB_CDC_ABSTRACT_CONTROL_MODEL            (0x02)
  #define USB_CDC_TELEPHONE_CONTROL_MODEL           (0x03)
  #define USB_CDC_MULTI_CHANNEL_CONTROL_MODEL       (0x04)
  #define USB_CDC_CAPI_CONTROL_MOPDEL               (0x05)
  #define USB_CDC_ETHERNET_NETWORKING_CONTROL_MODEL (0x06)
  #define USB_CDC_ATM_NETWORKING_CONTROL_MODEL      (0x07)
  #define USB_CDC_WIRELESS_HANDSET_CONTROL_MODEL    (0x08)
  #define USB_CDC_DEVICE_MANAGEMENT                 (0x09)
  #define USB_CDC_MOBILE_DIRECT_LINE_MODEL          (0x0A)
  #define USB_CDC_OBEX                              (0x0B)
  #define USB_CDC_ETHERNET_EMULATION_MODEL          (0x0C)
  
  /* Communication Class Protocol Codes */
  #define USB_CDC_NO_CLASS_SPECIFIC_PROTOCOL  (0x00) /*also for Data Class Protocol Code */
  #define USB_CDC_AT_250_PROTOCOL             (0x01)
  #define USB_CDC_AT_PCCA_101_PROTOCOL        (0x02)
  #define USB_CDC_AT_PCCA_101_ANNEX_O         (0x03)
  #define USB_CDC_AT_GSM_7_07                 (0x04)
  #define USB_CDC_AT_3GPP_27_007              (0x05)
  #define USB_CDC_AT_TIA_CDMA                 (0x06)
  #define USB_CDC_ETHERNET_EMULATION_PROTOCOL (0x07)
  #define USB_CDC_EXTERNAL_PROTOCOL           (0xFE)
  #define USB_CDC_VENDOR_SPECIFIC             (0xFF) /*also for Data Class Protocol Code */
  
  /* Data Class Protocol Codes */
  #define USB_CDC_PYHSICAL_INTERFACE_PROTOCOL (0x30)
  #define USB_CDC_HDLC_PROTOCOL               (0x31)
  #define USB_CDC_TRANSPARENT_PROTOCOL        (0x32)
  #define USB_CDC_MANAGEMENT_PROTOCOL         (0x50)
  #define USB_CDC_DATA_LINK_Q931_PROTOCOL     (0x51)
  #define USB_CDC_DATA_LINK_Q921_PROTOCOL     (0x52)
  #define USB_CDC_DATA_COMPRESSION_V42BIS     (0x90)
  #define USB_CDC_EURO_ISDN_PROTOCOL          (0x91)
  #define USB_CDC_RATE_ADAPTION_ISDN_V24      (0x92)
  #define USB_CDC_CAPI_COMMANDS               (0x93)
  #define USB_CDC_HOST_BASED_DRIVER           (0xFD)
  #define USB_CDC_UNIT_FUNCTIONAL             (0xFE)
  
  /* Descriptor SubType in Communications Class Functional Descriptors */
  #define USB_CDC_HEADER_FUNC_DESC              (0x00)
  #define USB_CDC_CALL_MANAGEMENT_FUNC_DESC     (0x01)
  #define USB_CDC_ABSTRACT_CONTROL_FUNC_DESC    (0x02)
  #define USB_CDC_DIRECT_LINE_FUNC_DESC         (0x03)
  #define USB_CDC_TELEPHONE_RINGER_FUNC_DESC    (0x04)
  #define USB_CDC_TELEPHONE_REPORT_FUNC_DESC    (0x05)
  #define USB_CDC_UNION_FUNC_DESC               (0x06)
  #define USB_CDC_COUNTRY_SELECT_FUNC_DESC      (0x07)
  #define USB_CDC_TELEPHONE_MODES_FUNC_DESC     (0x08)
  #define USB_CDC_TERMINAL_FUNC_DESC            (0x09)
  #define USB_CDC_NETWORK_CHANNEL_FUNC_DESC     (0x0A)
  #define USB_CDC_PROTOCOL_UNIT_FUNC_DESC       (0x0B)
  #define USB_CDC_EXTENSION_UNIT_FUNC_DESC      (0x0C)
  #define USB_CDC_MULTI_CHANNEL_FUNC_DESC       (0x0D)
  #define USB_CDC_CAPI_CONTROL_FUNC_DESC        (0x0E)
  #define USB_CDC_ETHERNET_NETWORKING_FUNC_DESC (0x0F)
  #define USB_CDC_ATM_NETWORKING_FUNC_DESC      (0x10)
  #define USB_CDC_WIRELESS_CONTROL_FUNC_DESC    (0x11)
  #define USB_CDC_MOBILE_DIRECT_LINE_FUNC_DESC  (0x12)
  #define USB_CDC_MDLM_DETAIL_FUNC_DESC         (0x13)
  #define USB_CDC_DEVICE_MANAGEMENT_FUNC_DESC   (0x14)
  #define USB_CDC_OBEX_FUNC_DESC                (0x15)
  #define USB_CDC_COMMAND_SET_FUNC_DESC         (0x16)
  #define USB_CDC_COMMAND_SET_DETAIL_FUNC_DESC  (0x17)
  #define USB_CDC_TELEPHONE_CONTROL_FUNC_DESC   (0x18)
  #define USB_CDC_OBEX_SERVICE_ID_FUNC_DESC     (0x19)
  
  /* usb descritpor length */
  #define USB_DESCRIPTOR_LENGTH_CONFIGURATION_ALL (sizeof(g_UsbDeviceConfigurationDescriptor))
  #define USB_DESCRIPTOR_LENGTH_CDC_HEADER_FUNC   (5)
  #define USB_DESCRIPTOR_LENGTH_CDC_CALL_MANAG    (5)
  #define USB_DESCRIPTOR_LENGTH_CDC_ABSTRACT      (4)
  #define USB_DESCRIPTOR_LENGTH_CDC_UNION_FUNC    (5)
  
  /* Configuration, interface and endpoint. */
  #define USB_DEVICE_CONFIGURATION_COUNT (1)
  #define USB_DEVICE_STRING_COUNT        (3)
  #define USB_DEVICE_LANGUAGE_COUNT      (1)
  
  #define USB_CDC_VCOM_CONFIGURE_INDEX (1)
  
  #define USB_CDC_VCOM_ENDPOINT_CIC_COUNT    (1)
  #define USB_CDC_VCOM_ENDPOINT_DIC_COUNT    (2)
  #define USB_CDC_VCOM_INTERRUPT_IN_ENDPOINT (1)
  #define USB_CDC_VCOM_BULK_IN_ENDPOINT      (2)
  #define USB_CDC_VCOM_BULK_OUT_ENDPOINT     (3)
  #define USB_CDC_VCOM_INTERFACE_COUNT       (2)
  #define USB_CDC_VCOM_COMM_INTERFACE_INDEX  (0)
  #define USB_CDC_VCOM_DATA_INTERFACE_INDEX  (1)
  
  /* Packet size. */
  #define HS_CDC_VCOM_INTERRUPT_IN_PACKET_SIZE (16)
  #define FS_CDC_VCOM_INTERRUPT_IN_PACKET_SIZE (16)
  #define HS_CDC_VCOM_INTERRUPT_IN_INTERVAL    (0x07) /* 2^(7-1) = 8ms */
  #define FS_CDC_VCOM_INTERRUPT_IN_INTERVAL    (0x08)
  #define HS_CDC_VCOM_BULK_IN_PACKET_SIZE      (512)
  #define FS_CDC_VCOM_BULK_IN_PACKET_SIZE      (64)
  #define HS_CDC_VCOM_BULK_OUT_PACKET_SIZE     (512)
  #define FS_CDC_VCOM_BULK_OUT_PACKET_SIZE     (64)
  
  /* String descriptor length. */
  #define USB_DESCRIPTOR_LENGTH_STRING0 (sizeof(g_UsbDeviceString0))
  #define USB_DESCRIPTOR_LENGTH_STRING1 (sizeof(g_UsbDeviceString1))
  #define USB_DESCRIPTOR_LENGTH_STRING2 (sizeof(g_UsbDeviceString2))
  
  #define USB_DESCRIPTOR_TYPE_CDC_CS_INTERFACE (0x24)
  #define USB_DESCRIPTOR_TYPE_CDC_CS_ENDPOINT  (0x25)
  
  /* Class code. */
  #define USB_DEVICE_CLASS    (0x02)
  #define USB_DEVICE_SUBCLASS (0x00)
  #define USB_DEVICE_PROTOCOL (0x00)
  
  #define USB_DEVICE_MAX_POWER (0x32)
  
  #define USB_CDC_VCOM_CIC_CLASS    (CDC_COMM_CLASS)
  #define USB_CDC_VCOM_CIC_SUBCLASS (USB_CDC_ABSTRACT_CONTROL_MODEL)
  #define USB_CDC_VCOM_CIC_PROTOCOL (USB_CDC_NO_CLASS_SPECIFIC_PROTOCOL)
  
  #define USB_CDC_VCOM_DIC_CLASS    (CDC_DATA_CLASS)
  #define USB_CDC_VCOM_DIC_SUBCLASS (0x00)
  #define USB_CDC_VCOM_DIC_PROTOCOL (USB_CDC_NO_CLASS_SPECIFIC_PROTOCOL)
  
  /*******************************************************************************
   * Variables
   ******************************************************************************/
  /* Define endpoint for communication class */
  extern usb_device_endpoint_struct_t g_UsbDeviceCdcVcomCicEndpoints[USB_CDC_VCOM_ENDPOINT_CIC_COUNT];
  
  /* Define endpoint for data class */
  extern usb_device_endpoint_struct_t g_UsbDeviceCdcVcomDicEndpoints[USB_CDC_VCOM_ENDPOINT_DIC_COUNT];
  
  /* Define interface for communication class */
  extern usb_device_interface_struct_t g_UsbDeviceCdcVcomCommunicationInterface[];
  
  /* Define interface for data class */
  extern usb_device_interface_struct_t g_UsbDeviceCdcVcomDataInterface[];
  
  /* Define interfaces for virtual com */
  extern usb_device_interfaces_struct_t g_UsbDeviceCdcVcomInterfaces[USB_CDC_VCOM_INTERFACE_COUNT];
  
  /* Define configurations for virtual com */
  extern usb_device_interface_list_t g_UsbDeviceCdcVcomInterfaceLIST_[USB_DEVICE_CONFIGURATION_COUNT];
  
  /* Define class information for virtual com */
  extern usb_device_class_struct_t g_UsbDeviceCdcVcomConfig;
  
  /* Define device descriptor */
  extern uint8_t g_UsbDeviceDescriptor[];
  
  /* Define configuration descriptor */
  extern uint8_t g_UsbDeviceConfigurationDescriptor[];
  
  /* Define string descriptor */
  extern uint8_t g_UsbDeviceString0[];
  
  extern uint8_t g_UsbDeviceString1[];
  
  extern uint8_t g_UsbDeviceString2[];
  
  extern uint8_t *g_UsbDeviceStringDescriptorArray[USB_DEVICE_STRING_COUNT];
  
  /* Define string descriptor size */
  extern uint32_t g_UsbDeviceStringDescriptorLength[USB_DEVICE_STRING_COUNT];
  extern usb_language_t g_UsbDeviceLanguage[USB_DEVICE_LANGUAGE_COUNT];
  extern usb_language_list_t g_UsbDeviceLanguageList;
  
  /*******************************************************************************
   * API
   ******************************************************************************/
  /*!
   * @brief USB device set speed function.
   *
   * This function sets the speed of the USB device.
   *
   * Due to the difference of HS and FS descriptors, the device descriptors and configurations need to be updated to match
   * current speed.
   * As the default, the device descriptors and configurations are configured by using FS parameters for both EHCI and
   * KHCI.
   * When the EHCI is enabled, the application needs to call this function to update device by using current speed.
   * The updated information includes endpoint max packet size, endpoint interval, etc.
   *
   * @param handle The USB device handle.
   * @param speed Speed type. USB_SPEED_HIGH/USB_SPEED_FULL/USB_SPEED_LOW.
   *
   * @return A USB error code or kStatus_USB_Success.
   */
  extern usb_status_t USB_DeviceSetSpeed(usb_device_handle handle, uint8_t speed);
  /*!
   * @brief USB device get device descriptor function.
   *
   * This function gets the device descriptor of the USB device.
   *
   * @param handle The USB device handle.
   * @param deviceDescriptor The pointer to the device descriptor structure.
   *
   * @return A USB error code or kStatus_USB_Success.
   */
  extern usb_status_t USB_DeviceGetDeviceDescriptor(usb_device_handle handle,
                                                    usb_device_get_device_descriptor_struct_t *deviceDescriptor);
  /*!
   * @brief USB device get string descriptor function.
   *
   * This function gets the string descriptor of the USB device.
   *
   * @param handle The USB device handle.
   * @param stringDescriptor Pointer to the string descriptor structure.
   *
   * @return A USB error code or kStatus_USB_Success.
   */
  usb_status_t USB_DeviceGetStringDescriptor(usb_device_handle handle,
                                             usb_device_get_string_descriptor_struct_t *stringDescriptor);
  /*!
   * @brief USB device get configuration descriptor function.
   *
   * This function gets the configuration descriptor of the USB device.
   *
   * @param handle The USB device handle.
   * @param configurationDescriptor The pointer to the configuration descriptor structure.
   *
   * @return A USB error code or kStatus_USB_Success.
   */
  extern usb_status_t USB_DeviceGetConfigurationDescriptor(
      usb_device_handle handle, usb_device_get_configuration_descriptor_struct_t *configurationDescriptor);
  #endif /* _USB_DEVICE_DESCRIPTOR_H_ */
  