Installation guide

5: Header Formats
DC 900-1564A 67
5.5 Detach (Master, Reader, Control or Trace Access Mode)
Table 5–8 shows the DLI_ICP_CMD_DETACH header format. See Section 4.1.2 on page 35
for a functional description. There is no associated data area.
a
Requirements for non-DLI calls: ICP Header fields must be in network byte-order, Protocol
Header fields must be in client byte order, and the ICP Header
usICPCount field is required.
Table 5–8: DLI_ICP_CMD_DETACH Header Format
Field Command Value (Write) Response Value (Read)
Freeway Header (network byte-order; used in DLI calls only):
usFWPacketType = FW_DATA = FW_DATA
usFWCommand = FW_ICP_WRITE = FW_ICP_READ
usFWStatus = 0 = 0
ICP Header
a
usICPClientID = 0 = 0
usICPServerID = 0 = 0
a
usICPCount = 16 (non-DLI calls only) = 16 (non-DLI calls only)
usICPCommand = DLI_ICP_CMD_DETACH = DLI_ICP_CMD_DETACH
iICPStatus = Client memory order
(Table 5–2 on page 61)
= DLI_ICP_CMD_STATUS_OK or
negative error code (slc_errs.h file)
usICPParms[0] = 0 = ICP return node from Attach cmd
usICPParms[1] = 0 = 0
usICPParms[2] = 0 = 0
Protocol Header
a
usProtCommand = DLI_ICP_CMD_DETACH = DLI_ICP_CMD_DETACH
iProtModifier = 0 = 0
usProtLinkID = Link number = Link number
usProtCircuitID = 0 = 0
usProtSessionID = Session ID from Attach response = Session ID from Attach response
usProtSequence = 0 = 0
usProtXParms[0] = 0 = 0
usProtXParms[1] = 0 = 0