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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2024/01/17 · Every USB device exposes a device descriptor that indicates the device's class information, vendor and product identifiers, and number of ...
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 ...
The Device Descriptor (USB_DEVICE_DESCRIPTOR) is the root of the descriptor tree and contains basic device information. The unique numbers, idVendor and ...
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 ...
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 ...
The device descriptor of a USB device represents the entire device. As a result a USB device can only have one device descriptor.
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 ...