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Defined Class Codes | USB-IF

  1. https://usb.org
  2. defined-class-codes

USB defines class code information that is used to identify a device's functionality and to nominally load a device driver based on that functionality.


Device Descriptor - USB Component - Keil

  1. https://www.keil.com
  2. html
  3. _u_s_b__device__descriptor

The Device Descriptor (USB_DEVICE_DESCRIPTOR) is the root of the descriptor tree and contains basic device information.


USB_DEVICE_DESCRIPTOR (usbspec.h) - Windows drivers

  1. https://learn.microsoft.com
  2. ...
  3. Usbspec.h

2021/4/1 -This value is a binary-coded decimal number. bDeviceClass. Specifies the class code of the device as assigned by the USB specification group.


libusb_device_descriptor Struct Reference - libusb

  1. https://libusb.sourceforge.io
  2. api-1.0
  3. structlibusb__devi...

A structure representing the standard USB device descriptor. This descriptor is documented in section 9.6.1 of the USB 3.0 specification.


USB Device Descriptors - Windows drivers | Microsoft Learn

  1. https://learn.microsoft.com
  2. ...
  3. Windows Drivers

2024/1/17 -Note the bDeviceClass, bDeviceSubClass, and bDeviceProtocol values. Those values indicate that the device contains one or more USB interface ...


DeviceDescriptor (usb4java 1.3.0 API)

  1. http://usb4java.org
  2. apidocs
  3. org
  4. DeviceDescriptor

bDeviceClass. public byte bDeviceClass(). Returns the USB-IF class code for the device. See LibUSB.CLASS_* constants. Returns: The USB-IF class code ...


USB in a NutShell - Chapter 5 - USB Descriptors - Beyondlogic

  1. https://www.beyondlogic.org
  2. usbnutshell
  3. usb5

Most class specifications choose to identify itself at the interface level and as a result set the bDeviceClass as 0x00. This allows for the one device to ...


bDeviceClass | Apple Developer Documentation

  1. https://developer.apple.com
  2. entitlements
  3. bdeviceclass

This page requires JavaScript. · bDeviceClass. macOS 10.15+. Details.


Device Qualifier Descriptor - USB Component - Keil

  1. https://www.keil.com
  2. pack
  3. doc
  4. USB
  5. html

A high-speed capable device that has different device information for full-speed and high-speed must have a Device Qualifier Descriptor.


Solved: Re: Audio USB descriptor confusion... - NXP Community

  1. https://community.nxp.com
  2. highlight
  3. true

bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0. So it appears to be doing what the spec says, however its not using the ...