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.
2022/11/11 · The device class code, subclass code, and protocol code are determined by the bDeviceClass, bDeviceSubClass, and bDeviceProtocol fields of the ...
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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bDeviceClass. public byte bDeviceClass(). Returns the USB-IF class code for the device. See LibUSB.CLASS_* constants. Returns: The USB-IF class code ...
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