qmk_firmware/tmk_core/protocol/usb_descriptor.c

/*
 * Copyright 2012 Jun Wako <wakojun@gmail.com>
 * This file is based on:
 *     LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
 *     LUFA-120219/Demos/Device/Lowlevel/GenericHID
 */

/*
                         LUFA Library
         Copyright (C) Dean Camera, 2012.

    dean [at] fourwalledcubicle [dot] com
                     www.lufa-lib.org
*/

/*
    Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
    Copyright 2010  Denver Gingerich (denver [at] ossguy [dot] com)

    Permission to use, copy, modify, distribute, and sell this
    software and its documentation for any purpose is hereby granted
    without fee, provided that the above copyright notice appear in
    all copies and that both that the copyright notice and this
    permission notice and warranty disclaimer appear in supporting
    documentation, and that the name of the author not be used in
    advertising or publicity pertaining to distribution of the
    software without specific, written prior permission.

    The author disclaim all warranties with regard to this
    software, including all implied warranties of merchantability
    and fitness.  In no event shall the author be liable for any
    special, indirect or consequential damages or any damages
    whatsoever resulting from loss of use, data or profits, whether
    in an action of contract, negligence or other tortious action,
    arising out of or in connection with the use or performance of
    this software.
*/

#include "util.h"
#include "report.h"
#include "usb_descriptor.h"

/*
 * HID report descriptors
 */
#ifdef KEYBOARD_SHARED_EP
const USB_Descriptor_HIDReport_Datatype_t PROGMEM SharedReport[] = {
    #define SHARED_REPORT_STARTED
#else
const USB_Descriptor_HIDReport_Datatype_t PROGMEM KeyboardReport[] = {
#endif
    HID_RI_USAGE_PAGE(8, 0x01), // Generic Desktop
    HID_RI_USAGE(8, 0x06), // Keyboard
    HID_RI_COLLECTION(8, 0x01), // Application
#ifdef KEYBOARD_SHARED_EP
        HID_RI_REPORT_ID(8, REPORT_ID_KEYBOARD),
#endif
        // Modifiers (8 bits)
        HID_RI_USAGE_PAGE(8, 0x07), // Keyboard/Keypad
        HID_RI_USAGE_MINIMUM(8, 0xE0), // Keyboard Left Control
        HID_RI_USAGE_MAXIMUM(8, 0xE7), // Keyboard Right GUI
        HID_RI_LOGICAL_MINIMUM(8, 0x00),
        HID_RI_LOGICAL_MAXIMUM(8, 0x01),
        HID_RI_REPORT_COUNT(8, 0x08),
        HID_RI_REPORT_SIZE(8, 0x01),
        HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
        // Reserved (1 byte)
        HID_RI_REPORT_COUNT(8, 0x01),
        HID_RI_REPORT_SIZE(8, 0x08),
        HID_RI_INPUT(8, HID_IOF_CONSTANT),
        // Keycodes (6 bytes)
        HID_RI_USAGE_PAGE(8, 0x07), // Keyboard/Keypad
        HID_RI_USAGE_MINIMUM(8, 0x00),
        HID_RI_USAGE_MAXIMUM(8, 0xFF),
        HID_RI_LOGICAL_MINIMUM(8, 0x00),
        HID_RI_LOGICAL_MAXIMUM(16, 0x00FF),
        HID_RI_REPORT_COUNT(8, 0x06),
        HID_RI_REPORT_SIZE(8, 0x08),
        HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_ARRAY | HID_IOF_ABSOLUTE),

        // Status LEDs (5 bits)
        HID_RI_USAGE_PAGE(8, 0x08), // LED
        HID_RI_USAGE_MINIMUM(8, 0x01), // Num Lock
        HID_RI_USAGE_MAXIMUM(8, 0x05), // Kana
        HID_RI_REPORT_COUNT(8, 0x05),
        HID_RI_REPORT_SIZE(8, 0x01),
        HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
        // LED padding (3 bits)
        HID_RI_REPORT_COUNT(8, 0x01),
        HID_RI_REPORT_SIZE(8, 0x03),
        HID_RI_OUTPUT(8, HID_IOF_CONSTANT),
    HID_RI_END_COLLECTION(0),
#ifndef KEYBOARD_SHARED_EP
};
#endif

#ifdef MOUSE_ENABLE
    #ifndef MOUSE_SHARED_EP
const USB_Descriptor_HIDReport_Datatype_t PROGMEM MouseReport[] = {
    #elif !defined(SHARED_REPORT_STARTED)
const USB_Descriptor_HIDReport_Datatype_t PROGMEM SharedReport[] = {
        #define SHARED_REPORT_STARTED
    #endif
    HID_RI_USAGE_PAGE(8, 0x01), // Generic Desktop
    HID_RI_USAGE(8, 0x02), // Mouse
    HID_RI_COLLECTION(8, 0x01), // Application
    #ifdef MOUSE_SHARED_EP
        HID_RI_REPORT_ID(8, REPORT_ID_MOUSE),
    #endif
        HID_RI_USAGE(8, 0x01), // Pointer
        HID_RI_COLLECTION(8, 0x00), // Physical
            // Buttons (5 bits)
            HID_RI_USAGE_PAGE(8, 0x09), // Button
            HID_RI_USAGE_MINIMUM(8, 0x01), // Button 1
            HID_RI_USAGE_MAXIMUM(8, 0x05), // Button 5
            HID_RI_LOGICAL_MINIMUM(8, 0x00),
            HID_RI_LOGICAL_MAXIMUM(8, 0x01),
            HID_RI_REPORT_COUNT(8, 0x05),
            HID_RI_REPORT_SIZE(8, 0x01),
            HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
            // Button padding (3 bits)
            HID_RI_REPORT_COUNT(8, 0x01),
            HID_RI_REPORT_SIZE(8, 0x03),
            HID_RI_INPUT(8, HID_IOF_CONSTANT),

            // X/Y position (2 bytes)
            HID_RI_USAGE_PAGE(8, 0x01), // Generic Desktop
            HID_RI_USAGE(8, 0x30), // X
            HID_RI_USAGE(8, 0x31), // Y
            HID_RI_LOGICAL_MINIMUM(8, -127),
            HID_RI_LOGICAL_MAXIMUM(8, 127),
            HID_RI_REPORT_COUNT(8, 0x02),
            HID_RI_REPORT_SIZE(8, 0x08),
            HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_RELATIVE),

            // Vertical wheel (1 byte)
            HID_RI_USAGE(8, 0x38), // Wheel
            HID_RI_LOGICAL_MINIMUM(8, -127),
            HID_RI_LOGICAL_MAXIMUM(8, 127),
            HID_RI_REPORT_COUNT(8, 0x01),
            HID_RI_REPORT_SIZE(8, 0x08),
            HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_RELATIVE),
            // Horizontal wheel (1 byte)
            HID_RI_USAGE_PAGE(8, 0x0C), // Consumer
            HID_RI_USAGE(16, 0x0238), // AC Pan
            HID_RI_LOGICAL_MINIMUM(8, -127),
            HID_RI_LOGICAL_MAXIMUM(8, 127),
            HID_RI_REPORT_COUNT(8, 0x01),
            HID_RI_REPORT_SIZE(8, 0x08),
            HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_RELATIVE),
        HID_RI_END_COLLECTION(0),
    HID_RI_END_COLLECTION(0),
    #ifndef MOUSE_SHARED_EP
};
    #endif
#endif

#if defined(SHARED_EP_ENABLE) && !defined(SHARED_REPORT_STARTED)
const USB_Descriptor_HIDReport_Datatype_t PROGMEM SharedReport[] = {
#endif

#ifdef EXTRAKEY_ENABLE
    HID_RI_USAGE_PAGE(8, 0x01), // Generic Desktop
    HID_RI_USAGE(8, 0x80), // System Control
    HID_RI_COLLECTION(8, 0x01), // Application
        HID_RI_REPORT_ID(8, REPORT_ID_SYSTEM),
        HID_RI_USAGE_MINIMUM(16, 0x0081), // System Power Down
        HID_RI_USAGE_MAXIMUM(16, 0x0083), // System Wake Up
        HID_RI_LOGICAL_MINIMUM(16, 0x0001),
        HID_RI_LOGICAL_MAXIMUM(16, 0x0003),
        HID_RI_REPORT_COUNT(8, 1),
        HID_RI_REPORT_SIZE(8, 16),
        HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_ARRAY | HID_IOF_ABSOLUTE),
    HID_RI_END_COLLECTION(0),

    HID_RI_USAGE_PAGE(8, 0x0C), // Consumer
    HID_RI_USAGE(8, 0x01), // Consumer Control
    HID_RI_COLLECTION(8, 0x01), // Application
        HID_RI_REPORT_ID(8, REPORT_ID_CONSUMER),
        HID_RI_USAGE_MINIMUM(16, 0x0001), // Consumer Control
        HID_RI_USAGE_MAXIMUM(16, 0x029C), // AC Distribute Vertically
        HID_RI_LOGICAL_MINIMUM(16, 0x0001),
        HID_RI_LOGICAL_MAXIMUM(16, 0x029C),
        HID_RI_REPORT_COUNT(8, 1),
        HID_RI_REPORT_SIZE(8, 16),
        HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_ARRAY | HID_IOF_ABSOLUTE),
    HID_RI_END_COLLECTION(0),
#endif

#ifdef NKRO_ENABLE
    HID_RI_USAGE_PAGE(8, 0x01), // Generic Desktop
    HID_RI_USAGE(8, 0x06), // Keyboard
    HID_RI_COLLECTION(8, 0x01), // Application
        HID_RI_REPORT_ID(8, REPORT_ID_NKRO),
        // Modifiers (8 bits)
        HID_RI_USAGE_PAGE(8, 0x07), // Keyboard/Keypad
        HID_RI_USAGE_MINIMUM(8, 0xE0), // Keyboard Left Control
        HID_RI_USAGE_MAXIMUM(8, 0xE7), // Keyboard Right GUI
        HID_RI_LOGICAL_MINIMUM(8, 0x00),
        HID_RI_LOGICAL_MAXIMUM(8, 0x01),
        HID_RI_REPORT_COUNT(8, 0x08),
        HID_RI_REPORT_SIZE(8, 0x01),
        HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
        // Keycodes
        HID_RI_USAGE_PAGE(8, 0x07), // Keyboard/Keypad
        HID_RI_USAGE_MINIMUM(8, 0x00),
        HID_RI_USAGE_MAXIMUM(8, KEYBOARD_REPORT_BITS * 8 - 1),
        HID_RI_LOGICAL_MINIMUM(8, 0x00),
        HID_RI_LOGICAL_MAXIMUM(8, 0x01),
        HID_RI_REPORT_COUNT(8, KEYBOARD_REPORT_BITS * 8),
        HID_RI_REPORT_SIZE(8, 0x01),
        HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),

        // Status LEDs (5 bits)
        HID_RI_USAGE_PAGE(8, 0x08), // LED
        HID_RI_USAGE_MINIMUM(8, 0x01), // Num Lock
        HID_RI_USAGE_MAXIMUM(8, 0x05), // Kana
        HID_RI_REPORT_COUNT(8, 0x05),
        HID_RI_REPORT_SIZE(8, 0x01),
        HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
        // LED padding (3 bits)
        HID_RI_REPORT_COUNT(8, 0x01),
        HID_RI_REPORT_SIZE(8, 0x03),
        HID_RI_OUTPUT(8, HID_IOF_CONSTANT),
    HID_RI_END_COLLECTION(0),
#endif
#ifdef SHARED_EP_ENABLE
};
#endif

#ifdef RAW_ENABLE
const USB_Descriptor_HIDReport_Datatype_t PROGMEM RawReport[] = {
    HID_RI_USAGE_PAGE(16, 0xFF60), // Vendor Defined
    HID_RI_USAGE(8, 0x61), // Vendor Defined
    HID_RI_COLLECTION(8, 0x01), // Application
        // Data to host
        HID_RI_USAGE(8, 0x62), // Vendor Defined
        HID_RI_LOGICAL_MINIMUM(8, 0x00),
        HID_RI_LOGICAL_MAXIMUM(16, 0x00FF),
        HID_RI_REPORT_COUNT(8, RAW_EPSIZE),
        HID_RI_REPORT_SIZE(8, 0x08),
        HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
        // Data from host
        HID_RI_USAGE(8, 0x63), // Vendor Defined
        HID_RI_LOGICAL_MINIMUM(8, 0x00),
        HID_RI_LOGICAL_MAXIMUM(16, 0x00FF),
        HID_RI_REPORT_COUNT(8, RAW_EPSIZE),
        HID_RI_REPORT_SIZE(8, 0x08),
        HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
    HID_RI_END_COLLECTION(0),
};
#endif

#ifdef CONSOLE_ENABLE
const USB_Descriptor_HIDReport_Datatype_t PROGMEM ConsoleReport[] = {
    HID_RI_USAGE_PAGE(16, 0xFF31), // Vendor Defined (PJRC Teensy compatible)
    HID_RI_USAGE(8, 0x74), // Vendor Defined (PJRC Teensy compatible)
    HID_RI_COLLECTION(8, 0x01), // Application
        // Data to host
        HID_RI_USAGE(8, 0x75), // Vendor Defined
        HID_RI_LOGICAL_MINIMUM(8, 0x00),
        HID_RI_LOGICAL_MAXIMUM(16, 0x00FF),
        HID_RI_REPORT_COUNT(8, CONSOLE_EPSIZE),
        HID_RI_REPORT_SIZE(8, 0x08),
        HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
        // Data from host
        HID_RI_USAGE(8, 0x76), // Vendor Defined
        HID_RI_LOGICAL_MINIMUM(8, 0x00),
        HID_RI_LOGICAL_MAXIMUM(16, 0x00FF),
        HID_RI_REPORT_COUNT(8, CONSOLE_EPSIZE),
        HID_RI_REPORT_SIZE(8, 0x08),
        HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
    HID_RI_END_COLLECTION(0),
};
#endif

/*
 * Device descriptor
 */
const USB_Descriptor_Device_t PROGMEM DeviceDescriptor = {
    .Header = {
        .Size               = sizeof(USB_Descriptor_Device_t),
        .Type               = DTYPE_Device
    },
    .USBSpecification       = VERSION_BCD(1, 1, 0),
#if VIRTSER_ENABLE
    .Class                  = USB_CSCP_IADDeviceClass,
    .SubClass               = USB_CSCP_IADDeviceSubclass,
    .Protocol               = USB_CSCP_IADDeviceProtocol,
#else
    .Class                  = USB_CSCP_NoDeviceClass,
    .SubClass               = USB_CSCP_NoDeviceSubclass,
    .Protocol               = USB_CSCP_NoDeviceProtocol,
#endif
    .Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,
    // Specified in config.h
    .VendorID               = VENDOR_ID,
    .ProductID              = PRODUCT_ID,
    .ReleaseNumber          = DEVICE_VER,
    .ManufacturerStrIndex   = 0x01,
    .ProductStrIndex        = 0x02,
    .SerialNumStrIndex      = 0x03,
    .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
};

#ifndef USB_MAX_POWER_CONSUMPTION
    #define USB_MAX_POWER_CONSUMPTION 500
#endif

/*
 * Configuration descriptors
 */
const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor = {
    .Config = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Configuration_Header_t),
            .Type               = DTYPE_Configuration
        },
        .TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
        .TotalInterfaces        = TOTAL_INTERFACES,
        .ConfigurationNumber    = 1,
        .ConfigurationStrIndex  = NO_DESCRIPTOR,
        .ConfigAttributes       = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_REMOTEWAKEUP),
        .MaxPowerConsumption    = USB_CONFIG_POWER_MA(USB_MAX_POWER_CONSUMPTION)
    },

#ifndef KEYBOARD_SHARED_EP
    /*
     * Keyboard
     */
    .Keyboard_Interface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = KEYBOARD_INTERFACE,
        .AlternateSetting       = 0x00,
        .TotalEndpoints         = 1,
        .Class                  = HID_CSCP_HIDClass,
        .SubClass               = HID_CSCP_BootSubclass,
        .Protocol               = HID_CSCP_KeyboardBootProtocol,

        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .Keyboard_HID = {
        .Header = {
            .Size               = sizeof(USB_HID_Descriptor_HID_t),
            .Type               = HID_DTYPE_HID
        },
        .HIDSpec                = VERSION_BCD(1, 1, 1),
        .CountryCode            = 0x00,
        .TotalReportDescriptors = 1,
        .HIDReportType          = HID_DTYPE_Report,
        .HIDReportLength        = sizeof(KeyboardReport)
    },
    .Keyboard_INEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = (ENDPOINT_DIR_IN | KEYBOARD_IN_EPNUM),
        .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = KEYBOARD_EPSIZE,
        .PollingIntervalMS      = 0x0A
    },
#endif

#if defined(MOUSE_ENABLE) && !defined(MOUSE_SHARED_EP)
    /*
     * Mouse
     */
    .Mouse_Interface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = MOUSE_INTERFACE,
        .AlternateSetting       = 0x00,
        .TotalEndpoints         = 1,
        .Class                  = HID_CSCP_HIDClass,
        .SubClass               = HID_CSCP_BootSubclass,
        .Protocol               = HID_CSCP_MouseBootProtocol,
        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .Mouse_HID = {
        .Header = {
            .Size               = sizeof(USB_HID_Descriptor_HID_t),
            .Type               = HID_DTYPE_HID
        },
        .HIDSpec                = VERSION_BCD(1, 1, 1),
        .CountryCode            = 0x00,
        .TotalReportDescriptors = 1,
        .HIDReportType          = HID_DTYPE_Report,
        .HIDReportLength        = sizeof(MouseReport)
    },
    .Mouse_INEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = (ENDPOINT_DIR_IN | MOUSE_IN_EPNUM),
        .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = MOUSE_EPSIZE,
        .PollingIntervalMS      = 0x0A
    },
#endif

#ifdef SHARED_EP_ENABLE
    /*
     * Shared
     */
    .Shared_Interface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = SHARED_INTERFACE,
        .AlternateSetting       = 0x00,
        .TotalEndpoints         = 1,
        .Class                  = HID_CSCP_HIDClass,
#ifdef KEYBOARD_SHARED_EP
        .SubClass               = HID_CSCP_BootSubclass,
        .Protocol               = HID_CSCP_KeyboardBootProtocol,
#else
        .SubClass               = HID_CSCP_NonBootSubclass,
        .Protocol               = HID_CSCP_NonBootProtocol,
#endif
        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .Shared_HID = {
        .Header = {
            .Size               = sizeof(USB_HID_Descriptor_HID_t),
            .Type               = HID_DTYPE_HID
        },
        .HIDSpec                = VERSION_BCD(1, 1, 1),
        .CountryCode            = 0x00,
        .TotalReportDescriptors = 1,
        .HIDReportType          = HID_DTYPE_Report,
        .HIDReportLength        = sizeof(SharedReport)
    },
    .Shared_INEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = (ENDPOINT_DIR_IN | SHARED_IN_EPNUM),
        .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = SHARED_EPSIZE,
        .PollingIntervalMS      = 0x0A
    },
#endif

#ifdef RAW_ENABLE
    /*
     * Raw HID
     */
    .Raw_Interface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = RAW_INTERFACE,
        .AlternateSetting       = 0x00,
        .TotalEndpoints         = 2,
        .Class                  = HID_CSCP_HIDClass,
        .SubClass               = HID_CSCP_NonBootSubclass,
        .Protocol               = HID_CSCP_NonBootProtocol,
        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .Raw_HID = {
        .Header = {
            .Size               = sizeof(USB_HID_Descriptor_HID_t),
            .Type               = HID_DTYPE_HID
        },
        .HIDSpec                = VERSION_BCD(1, 1, 1),
        .CountryCode            = 0x00,
        .TotalReportDescriptors = 1,
        .HIDReportType          = HID_DTYPE_Report,
        .HIDReportLength        = sizeof(RawReport)
    },
    .Raw_INEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = (ENDPOINT_DIR_IN | RAW_IN_EPNUM),
        .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = RAW_EPSIZE,
        .PollingIntervalMS      = 0x01
    },
    .Raw_OUTEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = (ENDPOINT_DIR_OUT | RAW_OUT_EPNUM),
        .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = RAW_EPSIZE,
        .PollingIntervalMS      = 0x01
    },
#endif

#ifdef CONSOLE_ENABLE
    /*
     * Console
     */
    .Console_Interface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = CONSOLE_INTERFACE,
        .AlternateSetting       = 0x00,
        .TotalEndpoints         = 2,
        .Class                  = HID_CSCP_HIDClass,
        .SubClass               = HID_CSCP_NonBootSubclass,
        .Protocol               = HID_CSCP_NonBootProtocol,
        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .Console_HID = {
        .Header = {
            .Size               = sizeof(USB_HID_Descriptor_HID_t),
            .Type               = HID_DTYPE_HID
        },
        .HIDSpec                = VERSION_BCD(1, 1, 1),
        .CountryCode            = 0x00,
        .TotalReportDescriptors = 1,
        .HIDReportType          = HID_DTYPE_Report,
        .HIDReportLength        = sizeof(ConsoleReport)
    },
    .Console_INEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = (ENDPOINT_DIR_IN | CONSOLE_IN_EPNUM),
        .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = CONSOLE_EPSIZE,
        .PollingIntervalMS      = 0x01
    },
    .Console_OUTEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = (ENDPOINT_DIR_OUT | CONSOLE_OUT_EPNUM),
        .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = CONSOLE_EPSIZE,
        .PollingIntervalMS      = 0x01
    },
#endif

#ifdef MIDI_ENABLE
    /*
     * MIDI
     */
    .Audio_Interface_Association = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_Association_t),
            .Type               = DTYPE_InterfaceAssociation
        },
        .FirstInterfaceIndex    = AC_INTERFACE,
        .TotalInterfaces        = 2,
        .Class                  = AUDIO_CSCP_AudioClass,
        .SubClass               = AUDIO_CSCP_ControlSubclass,
        .Protocol               = AUDIO_CSCP_ControlProtocol,
        .IADStrIndex            = NO_DESCRIPTOR,
    },
    .Audio_ControlInterface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = AC_INTERFACE,
        .AlternateSetting       = 0,
        .TotalEndpoints         = 0,
        .Class                  = AUDIO_CSCP_AudioClass,
        .SubClass               = AUDIO_CSCP_ControlSubclass,
        .Protocol               = AUDIO_CSCP_ControlProtocol,
        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .Audio_ControlInterface_SPC = {
        .Header = {
            .Size               = sizeof(USB_Audio_Descriptor_Interface_AC_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = AUDIO_DSUBTYPE_CSInterface_Header,
        .ACSpecification        = VERSION_BCD(1, 0, 0),
        .TotalLength            = sizeof(USB_Audio_Descriptor_Interface_AC_t),
        .InCollection           = 1,
        .InterfaceNumber        = AS_INTERFACE,
    },
    .Audio_StreamInterface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = AS_INTERFACE,
        .AlternateSetting       = 0,
        .TotalEndpoints         = 2,
        .Class                  = AUDIO_CSCP_AudioClass,
        .SubClass               = AUDIO_CSCP_MIDIStreamingSubclass,
        .Protocol               = AUDIO_CSCP_StreamingProtocol,
        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .Audio_StreamInterface_SPC = {
        .Header = {
            .Size               = sizeof(USB_MIDI_Descriptor_AudioInterface_AS_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = AUDIO_DSUBTYPE_CSInterface_General,
        .AudioSpecification     = VERSION_BCD(1, 0, 0),
        .TotalLength            = offsetof(USB_Descriptor_Configuration_t, MIDI_Out_Jack_Endpoint_SPC) + sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t) - offsetof(USB_Descriptor_Configuration_t, Audio_StreamInterface_SPC)
    },
    .MIDI_In_Jack_Emb = {
        .Header = {
            .Size               = sizeof(USB_MIDI_Descriptor_InputJack_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
        .JackType               = MIDI_JACKTYPE_Embedded,
        .JackID                 = 0x01,
        .JackStrIndex           = NO_DESCRIPTOR
    },
    .MIDI_In_Jack_Ext = {
        .Header = {
            .Size               = sizeof(USB_MIDI_Descriptor_InputJack_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
        .JackType               = MIDI_JACKTYPE_External,
        .JackID                 = 0x02,
        .JackStrIndex           = NO_DESCRIPTOR
    },
    .MIDI_Out_Jack_Emb = {
        .Header = {
            .Size               = sizeof(USB_MIDI_Descriptor_OutputJack_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
        .JackType               = MIDI_JACKTYPE_Embedded,
        .JackID                 = 0x03,
        .NumberOfPins           = 1,
        .SourceJackID           = {0x02},
        .SourcePinID            = {0x01},
        .JackStrIndex           = NO_DESCRIPTOR
    },
    .MIDI_Out_Jack_Ext = {
        .Header = {
            .Size               = sizeof(USB_MIDI_Descriptor_OutputJack_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
        .JackType               = MIDI_JACKTYPE_External,
        .JackID                 = 0x04,
        .NumberOfPins           = 1,
        .SourceJackID           = {0x01},
        .SourcePinID            = {0x01},
        .JackStrIndex           = NO_DESCRIPTOR
    },
    .MIDI_In_Jack_Endpoint = {
        .Endpoint = {
            .Header = {
                .Size           = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t),
                .Type           = DTYPE_Endpoint
            },
            .EndpointAddress    = MIDI_STREAM_OUT_EPADDR,
            .Attributes         = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
            .EndpointSize       = MIDI_STREAM_EPSIZE,
            .PollingIntervalMS  = 0x05
        },
        .Refresh                = 0,
        .SyncEndpointNumber     = 0
    },
    .MIDI_In_Jack_Endpoint_SPC = {
        .Header = {
            .Size               = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t),
            .Type               = DTYPE_CSEndpoint
        },
        .Subtype                = AUDIO_DSUBTYPE_CSEndpoint_General,
        .TotalEmbeddedJacks     = 0x01,
        .AssociatedJackID       = {0x01}
    },
    .MIDI_Out_Jack_Endpoint = {
        .Endpoint = {
            .Header = {
                .Size           = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t),
                .Type           = DTYPE_Endpoint
            },
            .EndpointAddress    = MIDI_STREAM_IN_EPADDR,
            .Attributes         = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
            .EndpointSize       = MIDI_STREAM_EPSIZE,
            .PollingIntervalMS  = 0x05
        },
        .Refresh                = 0,
        .SyncEndpointNumber     = 0
    },
    .MIDI_Out_Jack_Endpoint_SPC = {
        .Header = {
            .Size               = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t),
            .Type               = DTYPE_CSEndpoint
        },
        .Subtype                = AUDIO_DSUBTYPE_CSEndpoint_General,
        .TotalEmbeddedJacks     = 0x01,
        .AssociatedJackID       = {0x03}
    },
#endif

#ifdef VIRTSER_ENABLE
    /*
     * Virtual Serial
     */
    .CDC_Interface_Association = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_Association_t),
            .Type               = DTYPE_InterfaceAssociation
        },
        .FirstInterfaceIndex    = CCI_INTERFACE,
        .TotalInterfaces        = 2,
        .Class                  = CDC_CSCP_CDCClass,
        .SubClass               = CDC_CSCP_ACMSubclass,
        .Protocol               = CDC_CSCP_ATCommandProtocol,
        .IADStrIndex            = NO_DESCRIPTOR,
    },
    .CDC_CCI_Interface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = CCI_INTERFACE,
        .AlternateSetting       = 0,
        .TotalEndpoints         = 1,
        .Class                  = CDC_CSCP_CDCClass,
        .SubClass               = CDC_CSCP_ACMSubclass,
        .Protocol               = CDC_CSCP_ATCommandProtocol,
        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .CDC_Functional_Header = {
        .Header = {
            .Size               = sizeof(USB_CDC_Descriptor_FunctionalHeader_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = 0x00,
        .CDCSpecification       = VERSION_BCD(1, 1, 0),
    },
    .CDC_Functional_ACM = {
        .Header = {
            .Size               = sizeof(USB_CDC_Descriptor_FunctionalACM_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = 0x02,
        .Capabilities           = 0x02,
    },
    .CDC_Functional_Union = {
        .Header = {
            .Size               = sizeof(USB_CDC_Descriptor_FunctionalUnion_t),
            .Type               = DTYPE_CSInterface
        },
        .Subtype                = 0x06,
        .MasterInterfaceNumber  = CCI_INTERFACE,
        .SlaveInterfaceNumber   = CDI_INTERFACE,
    },
    .CDC_NotificationEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = CDC_NOTIFICATION_EPADDR,
        .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = CDC_NOTIFICATION_EPSIZE,
        .PollingIntervalMS      = 0xFF
    },
    .CDC_DCI_Interface = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Interface_t),
            .Type               = DTYPE_Interface
        },
        .InterfaceNumber        = CDI_INTERFACE,
        .AlternateSetting       = 0,
        .TotalEndpoints         = 2,
        .Class                  = CDC_CSCP_CDCDataClass,
        .SubClass               = CDC_CSCP_NoDataSubclass,
        .Protocol               = CDC_CSCP_NoDataProtocol,
        .InterfaceStrIndex      = NO_DESCRIPTOR
    },
    .CDC_DataOutEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = CDC_OUT_EPADDR,
        .Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = CDC_EPSIZE,
        .PollingIntervalMS      = 0x05
    },
    .CDC_DataInEndpoint = {
        .Header = {
            .Size               = sizeof(USB_Descriptor_Endpoint_t),
            .Type               = DTYPE_Endpoint
        },
        .EndpointAddress        = CDC_IN_EPADDR,
        .Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
        .EndpointSize           = CDC_EPSIZE,
        .PollingIntervalMS      = 0x05
    },
#endif
};

/*
 * String descriptors
 */
const USB_Descriptor_String_t PROGMEM LanguageString = {
    .Header = {
        .Size      = USB_STRING_LEN(1),
        .Type      = DTYPE_String
    },
    .UnicodeString = {LANGUAGE_ID_ENG}
};

const USB_Descriptor_String_t PROGMEM ManufacturerString = {
    .Header = {
        .Size      = USB_STRING_LEN(sizeof(STR(MANUFACTURER)) - 1), // Subtract 1 for null terminator
        .Type      = DTYPE_String
    },
    .UnicodeString = LSTR(MANUFACTURER)
};

const USB_Descriptor_String_t PROGMEM ProductString = {
    .Header = {
        .Size      = USB_STRING_LEN(sizeof(STR(PRODUCT)) - 1), // Subtract 1 for null terminator
        .Type      = DTYPE_String
    },
    .UnicodeString = LSTR(PRODUCT)
};

#ifndef SERIAL_NUMBER
    #define SERIAL_NUMBER 0
#endif

const USB_Descriptor_String_t PROGMEM SerialNumberString = {
    .Header = {
        .Size      = USB_STRING_LEN(sizeof(STR(SERIAL_NUMBER)) - 1), // Subtract 1 for null terminator
        .Type      = DTYPE_String
    },
    .UnicodeString = LSTR(SERIAL_NUMBER)
};

/**
 * This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
 * documentation) by the application code so that the address and size of a requested descriptor can be given
 * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
 * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
 * USB host.
 */
uint16_t get_usb_descriptor(const uint16_t wValue, const uint16_t wIndex, const void** const DescriptorAddress) {
    const uint8_t DescriptorType  = (wValue >> 8);
    const uint8_t DescriptorIndex = (wValue & 0xFF);
    const void*   Address         = NULL;
    uint16_t      Size            = NO_DESCRIPTOR;

    switch (DescriptorType) {
        case DTYPE_Device:
            Address = &DeviceDescriptor;
            Size    = sizeof(USB_Descriptor_Device_t);

            break;
        case DTYPE_Configuration:
            Address = &ConfigurationDescriptor;
            Size    = sizeof(USB_Descriptor_Configuration_t);

            break;
        case DTYPE_String:
            switch (DescriptorIndex) {
                case 0x00:
                    Address = &LanguageString;
                    Size    = pgm_read_byte(&LanguageString.Header.Size);

                    break;
                case 0x01:
                    Address = &ManufacturerString;
                    Size    = pgm_read_byte(&ManufacturerString.Header.Size);

                    break;
                case 0x02:
                    Address = &ProductString;
                    Size    = pgm_read_byte(&ProductString.Header.Size);

                    break;
                case 0x03:
                    Address = &SerialNumberString;
                    Size    = pgm_read_byte(&SerialNumberString.Header.Size);

                    break;
            }

            break;
        case HID_DTYPE_HID:
            switch (wIndex) {
#ifndef KEYBOARD_SHARED_EP
                case KEYBOARD_INTERFACE:
                    Address = &ConfigurationDescriptor.Keyboard_HID;
                    Size    = sizeof(USB_HID_Descriptor_HID_t);
                    break;
#endif

#if defined(MOUSE_ENABLE) && !defined(MOUSE_SHARED_EP)
                case MOUSE_INTERFACE:
                    Address = &ConfigurationDescriptor.Mouse_HID;
                    Size    = sizeof(USB_HID_Descriptor_HID_t);

                    break;
#endif

#ifdef SHARED_EP_ENABLE
                case SHARED_INTERFACE:
                    Address = &ConfigurationDescriptor.Shared_HID;
                    Size    = sizeof(USB_HID_Descriptor_HID_t);

                    break;
#endif

#ifdef RAW_ENABLE
                case RAW_INTERFACE:
                    Address = &ConfigurationDescriptor.Raw_HID;
                    Size    = sizeof(USB_HID_Descriptor_HID_t);

                    break;
#endif

#ifdef CONSOLE_ENABLE
                case CONSOLE_INTERFACE:
                    Address = &ConfigurationDescriptor.Console_HID;
                    Size    = sizeof(USB_HID_Descriptor_HID_t);

                    break;
#endif
            }

            break;
        case HID_DTYPE_Report:
            switch (wIndex) {
#ifndef KEYBOARD_SHARED_EP
                case KEYBOARD_INTERFACE:
                    Address = &KeyboardReport;
                    Size    = sizeof(KeyboardReport);

                    break;
#endif

#if defined(MOUSE_ENABLE) && !defined(MOUSE_SHARED_EP)
                case MOUSE_INTERFACE:
                    Address = &MouseReport;
                    Size    = sizeof(MouseReport);

                    break;
#endif

#ifdef SHARED_EP_ENABLE
                case SHARED_INTERFACE:
                    Address = &SharedReport;
                    Size    = sizeof(SharedReport);

                    break;
#endif

#ifdef RAW_ENABLE
                case RAW_INTERFACE:
                    Address = &RawReport;
                    Size    = sizeof(RawReport);

                    break;
#endif

#ifdef CONSOLE_ENABLE
                case CONSOLE_INTERFACE:
                    Address = &ConsoleReport;
                    Size    = sizeof(ConsoleReport);

                    break;
#endif
            }

            break;
    }

    *DescriptorAddress = Address;

    return Size;
}