Did Implementation in Autosar?

The unified diagnostic services (UDS) based on AUTOSAR software architecture is implemented. The work include implementation of one of the UDS Service Read Data By Identifier and reading multiple Data Identifier(DID) in a single request which is provided in DCM(Diagnostic Communication Manager).

What is did in diagnostic?

Each value is associated to a Data Identifier (DID) between 0 and 65535. Normal CAN signals are meant for information that some ECU uses in its functionality. DID data is sent on request only, and is for information that no ECU uses, but a service tool or a software tester can benefit from.

What are DIDS in automotive?

Embedded Diagnostics | Explained

The TCU provides the environment and necessary resources for the execution of Diagnostic-Runtime to realize different use-cases like read Data Identifier (DID), vehicle scanning, re-programming etc.