| Value | Meaning |
|---|---|
| LIBUSB_DT_DEVICE0x01 | Device descriptor. See libusb_device_descriptor. |
| LIBUSB_DT_CONFIG0x02 | Configuration descriptor. See libusb_config_descriptor. |
| LIBUSB_DT_STRING0x03 | String descriptor |
| LIBUSB_DT_INTERFACE0x04 | Interface descriptor. See libusb_interface_descriptor. |
| LIBUSB_DT_ENDPOINT0x05 | Endpoint descriptor. See libusb_endpoint_descriptor. |
| LIBUSB_DT_BOS0x0f | BOS descriptor |
| LIBUSB_DT_DEVICE_CAPABILITY0x10 | Device Capability descriptor |
| LIBUSB_DT_HID0x21 | HID descriptor |
| LIBUSB_DT_REPORT0x22 | HID report descriptor |
| LIBUSB_DT_PHYSICAL0x23 | Physical descriptor |
| LIBUSB_DT_HUB0x29 | Hub descriptor |
| LIBUSB_DT_SUPERSPEED_HUB0x2a | SuperSpeed Hub descriptor |
| LIBUSB_DT_SS_ENDPOINT_COMPANION0x30 | SuperSpeed Endpoint Companion descriptor |
Descriptor types as defined by the USB specification.