An interface descriptor never includes endpoint zero in the number of endpoints. Table 9-9 shows the standard interface descriptor. 9.6.3 InterfaceThis descriptor describes a spe...
9.6.2 ConfigurationThe configuration descriptor describes information about a specific device configuration. The descriptor contains a bConfigurationValue field with a value that,...
9.6.4 EndpoinEach endpoint used for an interface has its own descriptor. This descriptor contains the information required by the host to determine the bandwidth requirements of e...