A DECOMSYS Based Tool-Chain for Analyzing FlexRay based Automotive Control Applications

Abstract — It is now widely believed that FlexRay will emerge as predominant protocol for in-vehicle automotive communi-cation systems. As a result, there has been a lot of recent interest in timing and predictability analysis techniques that are specifically targeted towards FlexRay based electronic control units (ECU) networks. In this work, the DECOMSYS tool [1] is used for mapping the tasks on different ECUs, configuring the scheduling policy used at each ECU, and specifying the FlexRay parameters (e.g. slot sizes and message priorities). The overall system requirements are simulated by flashing such FlexRay based ECU network specifications into the DECOMSYS node. The design tools such as DECOMSYS mostly rely on simula-tions. As a result, they are time-consuming to use and unable to provide formal performance guarantees, which are important in the automotive domain. In our previous works, we hav