With Linux has further opened up the possibilities with safety-critical operations and multimedia communications. Hardware companies have followed suit with more IVI functions built onto a single piece of silicon, improving security and performance.
refer to: http://embedded-computing.com/articles/automotive-source-drives-innovation/#at_pco=cfd-1.0
The available power of multicore SoC hardware hosting a Linux operating system is fueling rapid expansion in vehicle software in the area of telematics. In Europe, for example, by 2015, all new cars must be equipped with the eCall system, to automatically alert emergency services in the event of a collision. Services such as insurance tracking, stolen vehicle notification, real-time cloud data (traffic, weather, road conditions ahead), car-to-car communication, driverless car, diagnostics, and servicing are also made available via embedded in-car Internet services. To operate in this space, IVI hardware needs to have multicore processor support, GPU/high-performance graphics with multiple video outputs, Internet connectivity, and compatibility with existing in-car networks such as CAN, MOST, and AVB. Several components are already on the market, and the future potential is exciting.
Consolidating multiple functions into a single Linux-based Electronic Control Unit (ECU) allows for a reduction in component count, thereby reducing overall vehicle costs. Maintenance becomes easier. And the wire harness costs are reduced as the total ECU count drops. As Linux becomes more widespread in vehicles, additional technologies will consolidate – for example, instrument clusters and AUTOSAR-based ECUs may coexist with infotainment stacks. It’s also important to realize that the complexity of software and the amount of software code used will only increase as these new technologies become standard. Already more than 100 million lines of code are used in the infotainment system of the S-Class Mercedes-Benz and according to Linuxinsider.com, and that number is projected to triple by 2015.
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