Data Sheet

Table Of Contents
21
VDMCommandType
Default: PD_VDM_COMMAND_TYPE_INITIATOR
VDMObjectPosition
Default: 0x00
VDMReserved2
Default: 0x00
VDMStructuredVdmVersion
Default: PD_VDM_STRUCTURED_VERSION_2 (Rev 3.0)
Default: PD_VDM_STRUCTURED_VERSION_1 (Rev 2.0)
VDMType
Default: PD_VDM_TYPE_STRUCTURED_VDM
VDMSVID
Default: 0x00
2.28 PD_VDM_Discover_Identity_Message
PD_VDM_Discover_Identity_Message packet template contains all the fields of
PD_VDM_Structured_Header but default value for VDMCommand field is
PD_VDM_COMMAND_DISCOVER_IDENTITY and default value for VDMSVID field is PD_VDM_SID.
2.29 PD_VDM_Discover_Identity_Response
PD_VDM_Discover_Identity_Response packet template contains all the fields of
PD_VDM_Discover_Identity_Message but default value for VDMCommandType field is
PD_VDM_COMMAND_TYPE_RESPONDER_ACK. Following are additional data fields for
PD_VDM_Discover_Identity_Response packet template:
Field Name
Description
VDOs
This field can contain up-to 6 VDOs, but should contain at least 3
VDOs (according to PD Spec). VDO types which can assign to this
field are:
PD_VDM_Discover_Identity_ID_Header_VDO,
PD_VDM_Discover_Identity_Cert_Stat_VDO,
PD_VDM_Discover_Identity_Product_VDO,
PD_VDM_Discover_Identity_Cable_VDO (Rev 2.0 only),
PD_DiscoverIdPassiveCableVdo (Rev 3.0 only),
PD_DiscoverIdActiveCableVdo (Rev 3.0 only),
PD_VDM_Discover_Identity_Alternate_Mode_Adapter_VDO
2.29.1 PD_VDM_Discover_Identity_ID_Header_VDO
Used as VDOs for PD_VDM_Discover_Identity_Response packet template. Available fields of this packet
template are varies from Revision 2.0 to higher revisions:
2.29.1.1 Revision 2.0
Field Name
Description
IDHeaderVDO_USBVendorID
Default: 0x00
IDHeaderVDO_Reserved
Default: 0x00
IDHeaderVDO_ModalOperationSupported
Default: 0x00
IDHeaderVDO_ProductType
Default:
PD_VDM_ID_HEADER_VDO_PRODUCT_TYPE_UNDEFINED
IDHeaderVDO_DataCapableAsUSBDevice
Default: 0x00
IDHeaderVDO_DataCapableAsUSBHost
Default: 0x00
2.29.1.2 Revision 3.0
Field Name
Description
USBVendorID
Default: 0x00
Reserved
Default: 0x00
ProductType_DFP
Default: PD_PRODUCT_TYPE_UNDEFINED