UsbIo protocol: missing features #6369
olegilyasov
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USB Associations
Some USB devices - cameras, modems, network, etc. - implement their configurations using Interface Association. For these devices UsbBus installs UsbIo for every interface. The installed UsbIo's are not grouped into associations.
USB Class Specific Descriptors
Some USB devices (cameras, modems, network controllers) carry Class Specific interface descriptors and Class Specific endpoint descriptors. They are not currently parsed and reported by UsbBus. Adding a protocol to get this data would enable device driver developers. The proposed UsbIoExt protocol is #6368
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