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June 20 - 22 - Tokyo, Japan
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Thursday, June 21 • 11:10 - 11:50
GMSL in Linux - Eight cameras, Two Buses, One Address - Kieran Bingham, Ideas on Board

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A walk through the trials and tribulations of capturing video from 8 cameras simultaneously using the Renesas R-Car H3 and open source drivers on a mainline kernel.

The Gigabit Multimedia Serial Link (GMSL) provides a means to send high bandwidth media data across a single cable for advanced driver assistance systems (ADAS) and automotive infotainment.

In this talk we explore the issues faced when implementing support for a new, unsupported protocol that doesn't fit in the existing subsystems. We look at how we have tackled the technical challenges, including connecting multiple cameras through an I2C mux with identical address configurations, and handling muxed-streams in V4L2 with CSI-2 using virtual channels.
Speakers
avatar for Kieran Bingham

Kieran Bingham

Linux Camera Specialist, Ideas on Board
Kieran Bingham is an embedded software engineer working with Ideas on Board and specialising in Linux kernel developments with a focus on media related subsystems. Kieran has worked with embedded Linux systems for over 14 years through professional service companies and silicon... Read More →

Thursday June 21, 2018 11:10 - 11:50 JST
Hall B-1
  Automotive Linux Summit

Attendees (49)