Overview

This Function shall be capable of providing the following facilities:

(1) The ability to read the Vehicle ID from the Vehicle System.
(2) The ability to send the Vehicle ID to other functionality when they request it.

Functional Requirements

(a) whenever the vehicle ID data flow is received, retain its contents internally for future use
(b) as a result of (a) send the vehicle ID for illegal use data flow to the Detect Illegal Use function and the vehicle ID for FCD data flow to the Prepare Extended Floating Car Data function
(c) continuously monitor for receipt of the vehicle ID request data flows
(d) when any of the data flows in (c) is received respond with the vehicle ID provided in (a) using the appropriate output data flow.

Diagrams

Parent Higher Level Function

• 5.12 Provide Vehicle Communications Interfaces

Input logical dataflows

• pepf.pshvs_vehicle_ID_request
• pshvs_vehicle_ID
• psle.pshvs_vehicle_ID_request

Output logical dataflows

• pshvs.pepf_vehicle_ID
• pshvs.psle_vehicle_ID
• pshvs_vehicle_ID_for_fcd
• pshvs_vehicle_ID_for_illegal_use

User needs