USB devices report their attributes using descriptors, which are data structures with a defined format. Each descriptor begins with a byte-wide field containing the total number of bytes in the descriptor followed by a byte-wide field identifying the descriptor type.
All USB devices have a hierarchy of descriptors which describe to the host information such as what the device is, who makes it, what version of USB it ...
2024/01/17 · This section provides information about device, configuration, interface, and endpoint descriptors and ways to retrieve them from a USB device.
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2023/11/10 · The purpose of the device descriptor is to let the host know what specification of USB the device complies with and how many possible ...
2024/01/17 · Every USB device exposes a device descriptor that indicates the device's class information, vendor and product identifiers, and number of ...
The Interface Descriptor (USB_INTERFACE_DESCRIPTOR) defines the collection of endpoints. This interface supports a group of pipes that are suitable for a ...
The BOS descriptor defines a root descriptor that is similar to the configuration descriptor, and is the base descriptor for accessing a family of related ...
The device descriptor of a USB device represents the entire device. As a result a USB device can only have one device descriptor.
2020/08/11 · USB descriptors are presented to the host during the enumeration process. These descriptors tell the host what type of device is connected and ...
This tool will traverse through the binary data, and translate it into something human-readable, using the official documents from USB.org. The three types of ...