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Automotive open system architecture (AUTOSAR) is the leading solution for automotive software platforms. The framework enables the efficient development of embedded application software that supports tasks surrounding basic automotive functions in the context of vehicle system development.
The Automotive open system architecture (AUTOSAR) standard is a development partnership of companies and organizations from the automotive, electronics, semiconductor and software industries.
AUSTOSAR is a software tool that supports tasks surrounding basic automotive functions in the context of vehicle system development.
Capital® VSTAR™, part of Siemens Xcelerator portfolio, is an example implementation of the AUTOSAR standard. It is a complete offering with tools and software to meet all electronic control unit (ECU) platform needs, from ECU extract updates to software platform configuration.
Since 2003, AUTOSAR has brought together the combined knowledge and experience of most major automotive manufacturers and suppliers. The middleware platforms specified by AUTOSAR are supported by workflow and exchange file formats, defined in the standards, supporting an open ecosystem, available from a selection of members. AUTOSAR supports a comprehensive set of automotive use cases. It integrates or interoperates with the technologies needed in vehicle ECU software and e/e architectures – e.g., SOME/IP, DDS other middleware types used as part of a heterogeneous software platform and standards such as those from ASAM, IEEE and more.
This software platform is suitable for a wide range of statically defined functions, used in traditional automotive ECUs with simple or complex functions.
The AUTOSAR Classic Platform architecture supports a range of automotive network technologies, CAN, LIN, FlexRay and Ethernet and functional safety up to ASIL D. It can be extended to support cyber security.
OSEK-based, API in C, application code – commonly C or C++ – is often generated from control engineering models.
This flexible software platform, supporting application-type functions and updates, is suitable for high-computing power, complex ECUs.
The AUTOSAR Adaptive Platform supports service-oriented, IP-based communication and architectures. It has strong cyber security capabilities and currently supports up to ASIL B functional safety.
POSIX-based, application code is commonly written in C++ language.
Elements of AUTOSAR, supporting both Adaptive Platform and Classic Platform, are specified in the Foundation standard to ensure interoperability is maintained between platforms.
The AUTOSAR standard is developed and maintained by its partners, with consideration of the use cases needed to support the roadmaps of the users.
Partners are categorized by their type of membership. Multiple categories exist for different levels of contribution, development, implementation and usage of the standard. The main categories are: