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.

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

2021/04/01 · This value is a binary-coded decimal number. bDeviceClass. Specifies the class code of the device as assigned by the USB specification group.

This page requires JavaScript. · bDeviceClass. Mac Catalyst 13.0+macOS 10.0+.

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

2021/12/15 · bDeviceClass. 1. 0x02. Communication Device Class. 5. bDeviceSubClass. 1. 0x00. Unused. 6. bDeviceProtocol. 1. 0x00. Unused. 7. bMaxPacketSize0.

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

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 ...

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

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