From the embedded point of view, a car is a LAN with a large number of CPUs ranging from internally complex SoCs running Linux to single-task MCUs running an RTOS. These devices engage in what is often time-critical communication using a variety of legacy protocols, although IP and possibly TCP and UDP are making inroads. Regionally differentiated requirements for emergency traffic messages sent over new vehicle-vehicle and vehicle-infrastructure channels add complexity. The diversity of internal automotive networks coupled with needs for security, time-critical IPC, low cost and maximum electromechanical robustness make for difficult design decisions. The U.S. specification of early backup-camera images with composited markers complicates implementation. The GENIVI consortium and the new Automotive Grade Linux distro represent approaches to a solution.
member, technical staff, Mentor Embedded Software Division
Alison recently joined Mentor Graphics Embedded Software Division. Her IVI technical work has focused on the never-ending problem of getting the audio and graphics stacks to work properly with Linux. She comes into contact with Bay Area IVI innovators as the organizer of the 550+-member Silicon Automotive Open Source Group. In the last few years Alison has shown many IVI demos, including several at Linux Foundation events. She started on IVI with MeeGo at Nokia, before which she wrote... Read More →
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