User`s guide

2: DDCMP DLI Functions
DC 900-1343D 39
Table 2–6: Relevant
dlRead Optional Arguments Fields
dlRead Optional
Arguments Field Value Usage
usFWPacketType FW_DATA Used for most DLI requests
usFWCommand FW_ICP_READ
usICPCommand DLI_ICP_CMD_ATTACH
DLI_ICP_CMD_READ
DLI_ICP_CMD_DETACH
DLI_ICP_CMD_BIND
DLI_ICP_CMD_UNBIND
ICP acknowledgment of an Attach
Message buffer from a session
ICP acknowledgment of a Detach
ICP Acknowledgment of Start Link
ICP Acknowledgment of Stop Link
iICPStatus See Appendix A Used for error reporting
usProtCommand See Table 2–11 on page 48 Receive protocol-related reports and
responses from the ICP
usProtLinkID Session link number
iProtModifier See Table 2–12 on page 49 and
Table 2–13 on page 51
Used to identify type of incoming data or cir-
cuit exception
usProtSessionID Attach: ICP session ID
Read and Detach: (unused)
Attach request (Section 2.2.3 on page 32)
usProtSequence Number of messages acknowl-
edged
Final Acknowledge of Data Transmitted
(Section 2.6.1.2 on page 49)