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The following table shows the Configuration Descriptor specification.
| Offset | Field | Size | Value | Description |
|---|---|---|---|---|
| 0 | bLength | 1 | 0x09 | Size of this descriptor, in bytes |
| 1 | bDescriptorType | 1 | 0x02 | CONFIGURATION descriptor |
| 2 | wTotalLength | 2 | 0x003E | Length of the total configuration block, including this descriptor and all following descriptors, in bytes |
| 4 | bNumInterfaces | 1 | 0x02 | Two interfaces |
| 5 | bConfigurationValue | 1 | 0x01 | ID of this configuration |
| 6 | iConfiguration | 1 | 0x00 | Unused |
| 7 | bmAttributes | 1 | 0x80 | Bus Powered |
| 8 | MaxPower | 1 | 0x64 | 200 mA |
See Also
USB Host Controller Driver Development Concepts | RNDIS To USB Mapping | USB-RNDIS Ethernet Device Sample | Device Descriptor | Interface Descriptor for Data Class Interface | Notification Endpoint Descriptor | Data In Endpoint Descriptor | Data Out Endpoint Descriptor
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