User`s guide

72 DC 900-1343D
DDCMP Programmer’s Guide
C.5 start-link-packet
Packet Description
This packet is used to start or enable a link.
Packet Header
Freeway (DLI only):
usFWPacketType = FW_DATA
usFWCommand = FW_ICP_WRITE
usFWStatus = 0
ICP:
usICPClientID = 0
usICPServerID = 0
[usLength = 16 (used for non-DLI only)]
usICPCommand = DLI_ICP_CMD_BIND
iICPStatus = 0
usICPParams[0] = 0
usICPParams[1] = 0
usICPParams[2] = 0
Protocol:
usProtCommand = DLI_PROT_SEND_BIND
iProtModifier = 0
usProtLinkID = port number
usProtCircuitID = 0
usProtSessionID = protocol session number from “attach-packet”
usProtSequence = 0
usProtXParms[0] = 0
usProtXParms[1] = 0
Note
The Freeway header is used only with DLI (it is not applicable for
DLITE), and the
usLength field of the ICP header is used only
without DLI.
Data
None
Packet Exchanges
usProtCommand sent usProtCommand received
------------------ ----------------------
DLI_PROT_SEND_BIND DLI_PROT_SEND_BIND - sometimes (bug?)
DLI_PROT_RECV_DATA with iProtModifier = 9