Offset01245678
Field
Blength
BdescriptorTypeWtotalLengthBnumInterfacesBconfigurationValueIconfigurationBmAttributesMaxPower*3
Size11211111
Value0x090x020x00220x010x010x040xA00x19
Description
Size of configuration descriptorConfiguration Descriptor Type
Total size of configuration descriptor including interface, hidand endpoint descriptorsOne interface
Used by SET CONFIGURATION to select this configurationUSB HID Compliant Mouse
Bus powered and able to perform remote wakeupBus power draw is about 50mA
Interface Descriptor
Offset012345678
Field
Blength
BdescriptorTypeBinterfaceNumberBalternateSettingBnumEndpointsBinterfaceClassBinterfaceSubClassBinterfaceProtocolIinterface
Size111111111
Value0x090x040x000x000x010x000x010x020x00
Description
Size of interface descriptorInterface Descriptor TypeInterface Number 0Alternate Setting 01 Endpoint
Interface Class assigned by USB spec
Interface Sub Class assigned by USB specInterface Protocol assigned by USB specNot supported
HID Descriptor
Offset0124567
Field
Blength
BdescriptorTypeBcdHID
BcountryCodeBnumDescriptorsBdescriptorTypeWdescriptorLength
Size1121112
Value0x090x210x01100x000x010x220x0048
Description
Size of HID descriptorHID descriptor type
Version of HID spec 1.1Country Code USA
Number of report descriptorsDescriptor type
HID report Descriptor length
Endpoint Descriptor
Offset012346
Field
Blength
BdescriptorTypeBendpointAddressBmAttributes
WmaxPacketSizeBinterval
Size111121
Value0x070x050x810x030x00040x0A
Description
Size of Endpoint descriptorEndpoint descriptor typeIN endpoint on endpoint 1Interrupt endpoint
Maximum packet size 4 bytesPolling interval of 10ms