AUTOSAR-based Automotive Ethernet

Automotive technology over time has changed cars from a simple internal combustion engine with wheels to a moving combination of integrated computer systems – such things as Advanced Driver Assistance System (ADAS), adaptive cruise control, hybrid engines and Internet access. Ethernet is introduced in this context to replace the disparate communication means or to tie them together into a single backbone, giving rise to the Automotive Ethernet study case. Automotive industry has been going through different phases in which the progress in technology evolved in parallel with the standardization activity. The progression started from solutions maintained strictly proprietary up to the creation of development partnerships and alliances collaborating to encourage wide-scale adoption of Ethernet-based networks. The description follows the ISO/OSI model, from the electrical characteristics to the data protocols, highlighting two completely different approaches. On one side, the sale estimate of 70 million of vehicles per year is sufficient to justify the development of an ad-hoc physical layer; meanwhile, for all the other implementation aspects, the working principle is based on recycling. The most significant example is the re-adaptation of the Audio/Video Bridging (AVB) to make the Ethernet best-effort technology able to implement the Quality of Service. The main contribution that this thesis wants to introduce is the concrete configuration of the Ethernet communication stack on a real vehicle gateway through the AUTOSAR tool, whose structure is explained in detail. The starting point is the system extract containing Ethernet specifications of a real customer, that is imported in the AUTOSAR tool to configure all the respective blocks of the Basic Software. The final setting has been obtained proceeding gradually: the partial checkpoint is the achievement of just a working communication, the further step is the configuration with the specific requirements of the customer, always relying on the AUTOSAR capability to detect incompatibilities.