User`s guide

70 DC 900-1343D

DDCMP Programmer’s Guide

C.4 link-conﬁg-packet

Packet Description

This packet is used to conﬁgure a link. The data ﬁeld consists of a data structure with

the format shown in Figure C–1.

Packet Header

Freeway (DLI only):

usFWPacketType = FW_DATA

usFWCommand = FW_ICP_WRITE

usFWStatus = 0

ICP:

usICPClientID = 0

usICPServerID = 0

[usLength = 50 (used for non-DLI only)]

usICPCommand = DLI_ICP_CMD_WRITE

iICPStatus = 0

usICPParams[0] = 0

usICPParams[1] = 0

usICPParams[2] = 0

Protocol:

usProtCommand = DLI_PROT_CFG_LINK

iProtModifier = 0

usProtLinkID = port number

usProtCircuitID = 0

usProtSessionID = protocol session number from “attach-packet”

usProtSequence = 0

usProtXParms[0] = 0

usProtXParms[1] = 0

unsigned short reserved[8]; /* 16 bytes for ddcmp internal use */

unsigned short baud_rate;

unsigned short clock_source;

unsigned short reply_tmr_sec;

unsigned short line_mode;

unsigned short duplex; /* unused */

unsigned short half_duplex; /* unused */

unsigned short version;

unsigned short eia;

unsigned short maintstate;

Figure C–1: “C” Structure for Conﬁgure Link Packet