Experiences Developing a Wayland-Based IVI HMI - The Linux ...

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Context• Provide human-machine interface (HMI) better suited for Tizen IVI• Driver safety• React to vehicle state• Options• Leverage existing user interfaces: mobile, desktop• Develop IVI-specific HMI2
Problems• Mobile and desktop user interfaces• Suboptimal screen geometry: resolution,orientation• Do not react to vehicle state• Not safe for drivers• Many features are not useful or suitable for IVI• Underlying graphics subsystem may be toolarge or slow• Develop IVI-specific HMI• May require kernel and graphics hardwareexpertise• May require additional resources for in-housedevelopment• CostCompositorUser SpaceInput FrameworkKernelKMSevdevDRM Graphics DriverHardwareGraphicsInput3
Page 1: Experiences Developing aWayland Bas
Page 6 and 7: HMI Service• Provides “home scr
Page 8 and 9: Application Run-time• Provides re
Page 10 and 11: 10Component Structure
Page 12 and 13: Server Side Architectures• HMI Se
Page 14 and 15: Stand-alone HMI Service - Sequence
Page 16 and 17: Integrated HMI Service - Sequence D
Page 18 and 19: 18HTML5 HMI Problems
Page 20 and 21: Problem: Gap Between HTML5 and Nati
Page 22 and 23: Solution• Compositor• Plugin ex
Page 24 and 25: Desktop Shell-isms• Direct use of
Page 26 and 27: Summary• Wayland• Simple, light
Page 28: LegalINFORMATION IN THIS DOCUMENT I

Experiences Developing a Wayland-Based IVI HMI - The Linux ...

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