Siemens AUTOSAR tool adds time critical Ethernet protocol stack
The new licensing agreement follows several years of cooperative platform development between the two companies and will work with the Siemens Capital VSTAR AUTOSAR tool.
Until recently, AUTOSAR applications have focused on CAN. Despite several upgrades to the CAN bus specs it remains comparatively slow, and still requires re-integration of the bus whenever one device on the bus changes.
Ethernet has advanced quickly to a much higher bandwidth, and is more flexible. However, in its basic form Ethernet is not time-sensitive, which has made it inappropriate for many automotive uses.
“The Excelfore protocol stacks help to bring advanced time-aware networking to Ethernet, with reliable latency and bandwidth, thus making it appropriate for many in-vehicle applications,” said Henrik Olsen, Director of Embedded Software at Mentor, a Siemens Business.
“Siemens is a recognized leader in world-class electronic hardware and software design solutions. We have worked together for multiple years, and this new agreement is the next step in our two companies’ co-operation in automotive solutions,” said Shrikant Acharya, CTO at Excelfore.
The Excelfore Ethernet AVB protocols licensed for Capital VSTAR include IEEE1722 AVTP, IEEE1733 RTP and RTCP, IEEE802.1Qat SRP, IEEE802.1Qav FQTSS and IEEE802.1AS gPTP. These protocols have already been successfully implemented into automotive digital systems for a Tier-1 automotive supplier and accepted for a production program by a large automaker.
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