sdk/banjo/fuchsia.hardware.usb.descriptor/usb.fidl

// Copyright 2021 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library fuchsia.hardware.usb.descriptor;

// USB standard descriptor specifications.
enum UsbSpeed : uint32 {
    UNDEFINED = 0;
    FULL = 1;
    LOW = 2;
    HIGH = 3;
    SUPER = 4;
};

[Packed]
struct UsbSetup {
    uint8 bm_request_type;
    uint8 b_request;
    uint16 w_value;
    uint16 w_index;
    uint16 w_length;
};

[Packed]
struct UsbDeviceDescriptor {
    uint8 b_length;
    uint8 b_descriptor_type;
    uint16 bcd_usb;
    uint8 b_device_class;
    uint8 b_device_sub_class;
    uint8 b_device_protocol;
    uint8 b_max_packet_size0;
    uint16 id_vendor;
    uint16 id_product;
    uint16 bcd_device;
    uint8 i_manufacturer;
    uint8 i_product;
    uint8 i_serial_number;
    uint8 b_num_configurations;
};

[Packed]
struct UsbSsEpCompDescriptor {
    uint8 b_length;
    uint8 b_descriptor_type;
    uint8 b_max_burst;
    uint8 bm_attributes;
    uint16 w_bytes_per_interval;
};

[Packed]
struct UsbEndpointDescriptor {
    uint8 b_length;
    uint8 b_descriptor_type;
    uint8 b_endpoint_address;
    uint8 bm_attributes;
    uint16 w_max_packet_size;
    uint8 b_interval;
};

[Packed]
struct UsbInterfaceDescriptor {
    uint8 b_length;
    uint8 b_descriptor_type;
    uint8 b_interface_number;
    uint8 b_alternate_setting;
    uint8 b_num_endpoints;
    uint8 b_interface_class;
    uint8 b_interface_sub_class;
    uint8 b_interface_protocol;
    uint8 i_interface;
};