USB::ConfigDescriptor#device, USB::Interface#config_descriptor, USB::InterfaceDescriptor#interface and USB::EndpointDescriptor#interface_descriptor implemented.
USB::ConfigDescriptor#device,
USB::Interface#config_descriptor,
USB::InterfaceDescriptor#interface and
USB::EndpointDescriptor#interface_descriptor
implemented.


git-svn-id: aa7d12129933e08112283aab9207b8956eaf5454@333 0ecacc03-ac1b-0410-941d-e442c79421a6

akr/ruby-usb,akr/ruby-usb