Linaro Connect San Diego 2019 has ended
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IoT and Embedded [clear filter]
Monday, September 23


SAN19-102 Porting Dual Core STM32 on Zephyr RTOS
Zephyr is already ported on number of STM32 SoC platforms, but so far was limited to run on one core. The introduction of the dual cores STM32H7 series (Providing Cortex-M7 and Cortex-M4) lead us to implement and run Zephyr on the both cores.

This talk will detail the issues and the solutions used by STMicroelectronics to enable Zephyr on the both cores,. It will cover topics like dual core boot, resources sharing and inter-core communications.

avatar for Erwan Gouriou

Erwan Gouriou

SW Engineer, STMicroelectronics
Erwan Gouriou, STMicroelectronics, is working as Linaro assignee in the IoT & Embedded group (LITE). Since 3 years, he is the STM32 referent in Zephyr RTOS project. He has introduced the current STM32 porting model in Zephyr and works with the community to extend STM32 features set... Read More →

Monday September 23, 2019 2:00pm - 2:25pm
Sunset 3 (Session 3)


SAN19-116 Project Zephyr Security Update
This talk will give an overview of the work by the security subcommittee within the Zephyr project, including the current status of security within the project. It will cover what happens when a vulnerability is reported, as well as ongoing efforts around static analysis.

avatar for David Brown

David Brown

Senior Engineer, Linaro
David Brown is a member of the Linaro Security Working Group, and has worked on the Linux kernel, with a focus on security for a number of years. Recently, he has been focusing on security as it relates to IoT and embedded devices, including focusing on secure booting, and secure... Read More →

Monday September 23, 2019 4:00pm - 4:25pm
Sunset 3 (Session 3)
Friday, September 27


SAN19-503 Video 4 Zephyr
Video acquisition, processing, and rendering are key features for a variety of different embedded applications and they are heavily used in automotive, monitoring and various AI applications. More specifically, I recently had to work on implementing camera support for a microcontroller running Zephyr RTOS. There is no existing support for camera in Zephyr, but like any other component, creating a common and generic subsystem/API benefits the community and encourages video component support work. Several software proposals, including one of my own, are currently under review and maybe even part of Zephyr when you read these words. We will review a few camera basics, the different ways to drive them and how to design a suitable subsystem/API, taking into account scalability, latency and memory footprint. We will conclude with a summary of the current upstream status and the status of any outstanding pull requests.

avatar for Loic Poulain

Loic Poulain

Software Engineer, Linaro
Software engineer member of the Linaro support and solutions team.

Friday September 27, 2019 8:30am - 8:55am
Sunset V (Session 1)


SAN19-510 Is Chromium OS favorable for IOT Devices ?
Getting electronic devices onto internet and well connected with each other hasn't been a trivial task for the engineering community, always challenged by end price of the product, software scalability from devices running firmware to complex devices running complete OS distro, lack of fine tuned libraries and framework to introduce security of data, over the air upgrade and configuration and calibration of devices, supporting both head and headless units. Though the industry met the end user demand and floating requirements in time, the challenges continue to exist for next generation devices
where the focus is on integrating multiple key components like
security, networking, graphics, AI and ML libraries and sensor control frameworks into one singe device. While solving the system integration requirements is a key thing the other equal important aspect of ensuring the software is maintained for bug fixes, long term supported, simultaneous support for multiple SOCs and controllers is very much essential.

The end equipment manufacturers have various software options to chose from and each have their own advantages and disadvantages, inbuilt features and support infrastructure. Chromium OS is one of the latest open source software distributions maintained by Google for almost a
decade now has made its way into IOT segments.

In this session we look into the key components in Chromium OS that can help us overcome the software challenges in building next generation IOT devices.

- Chromium OS is initially designed for laptops, desktops and stand alone / all inone boxes, the well integrated software components like browsers, networking, security, boot options and window management can be leveraged as is for IOT devices. We go through few of these components to understand if they meet the IOT requirements.

- Chromium OS is built on Linux, thereby the OS has support for multiple latest SOCs and device drivers for various controllers. We should be discussing if chromium OS has picked up all the latest trends in Linux OS related to Power Management, security, upgraded device driver frameworks, etc.

- In general IOT devices are headless or less UI centric, we explore if chromium OS can be easily configured to boot on a headless unit ?

- Understanding the system requirements, memory requirements and power utilization are few key factors to consider if the OS fits the budget available for the end equipment.

- The new set of IOT devices are now pre-integrated with AI algorithms to help end user for better understanding of the surrounding or indecision making etc. The devices are also self learning with ML algorithms. Its important to know if Chromium OS has frameworks to download AI/ML algorithms or firmware at run time on DSPs or SOCs. Also ensure if there are HALs and APIs to exchange data to/from DSPs or SOCs running AI/ML algorithms.

The topics covered in this session should help us quickly assess if chromium os is favorable for IOT devices or if we were bringing an elephant in the room.

avatar for Khasim Syed Mohammed

Khasim Syed Mohammed

Senior Android Engineer, Linaro Ltd
Senior Software Engineer, Developer services, Linaro. Passionate about building and booting Android on ARM based SOCs for mobile and ARM servers.

Friday September 27, 2019 11:00am - 11:25am
Pacific Room (Keynote)