User`s guide

DC 900-1343D 67

Appendix

Packet Exchange

Quick Reference

This appendix is intended for programmers writing an application program under one

of the following conditions:

1. If you are writing to Simpact’s data link interface (DLI) using Raw operation,

refer also to the Freeway Data Link Interface Reference Guide. If you are using the

embedded DLITE interface, also refer to the user’s guide for your particular ICP

and operating system; for example, the ICP2432 User’s Guide for Windows NT.

2. If you are writing a non-DLI application using a Simpact driver interface, refer

also to the user’s guide for your particular ICP and operating system; for example,

the ICP2432 User’s Guide for Windows NT.

3. If you are writing a non-DLI application using a socket interface, refer also to the

Freeway Client-Server Interface Control Document.

C.1 Application Sequence of Events

1. Establish a connection to a link (see Section C.2 below)

• Attach to the ICP

• Conﬁgure the link

• Start the link

2. Send and Receive data, get reports, etc.

3. Terminate the connection

• Stop the link