Echelon OpenLDV - Manual (Page 175)

OpenLDV Programmer’s Guide 167
Field Name
Called From
DownlinkLookup UplinkLookup UpdateLookup
Uplink Key Read/Write Read Only Read Only
Current Authentication Key Read/Write Read/Write Read Only
Next Authentication Key Read/Write Read/Write Read Only
Additional Downlink Packet
Header
Read/Write Read/Write Read Only
Additional Downlink Packet
Trailer
Read/Write Read/Write Read Only
GetAdditionalDownlinkPacketHeader Method
Applies to: Session Control Object
This method obtains any additional bytes that are pre-pended to the packet
headers sent during a downlink session.
Syntax
C++ STDMETHOD(GetAdditionalDownlinkPacketHeader)(BSTR * hexBytes)
Visual Basic Function GetAdditionalDownlinkPacketHeader() As String
Table 49. GetAdditionalDownlinkPacketHeader Parameters
Parameter Description
hexBytes String to contain returned bytes.
Returns
Hexadecimal string containing the bytes to be pre-pended, two characters per
byte.
GetAdditionalDownlinkPacketTrailer Method
Applies to: Session Control Object
This method obtains any additional bytes that are being appended to the packet
trailers sent during a downlink session.