Category: Linaro Connect

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Kodi Playback with Standard V4L2 Stack

Posted by Charbax – October 29, 2018

Full upstream implementation of Hardware accelerated video decoding (mainly H264) with the generic V4L2 Mem2Mem API, Zero-copy rendering with DRM Atomic kernel Drivers, DMA-BUF transferred from V4L2 to DRM, FFmpeg V4L2 Mem2Mem integration with Kodi, Kodi GBM Display for Atomic Direct to plane rendering.

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Wi-Fi and Bluetooth single chip Unisoc in UCRobotics IVY5661 IoT Edition 96Boards development board

Posted by Charbax – October 29, 2018

This is a Wi-Fi and Bluetooth single chip solution IoT Edition 96Boards, it can be used as a Wi-Fi Repeater, for Bluetooth on-boarding, Bluetooth 5 Mesh Network. It's an ARM Cortex-M4 dual core, runs Zephyr. You can read more about it here

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Linux microPlatform, secure IoT updates with Foundries.io and Toradex

Posted by Charbax – October 13, 2018

At Linaro Connect Vancouver 2018, Foundries.io and Toradex discuss Linux microPlatform, what microPlatform is and how it helps Toradex to build their next generation Software Platform.

Linux microPlatform is an open source, minimal, secure, updatable Operating System based on OpenEmbedded / Yocto Project. Toradex ports the microPlatform to its Arm-based System on Modules and it uses it as the basis for its future Software Planform called Torizon.

Linux microPlatform modularized the embedded software stack utilizing Docker Containers, and so it provides a robust and simple to update platform. It includes a secure Uptane-compliant over-the-air update solution using OSTree.

Founderies.io provides continuous updates to Linux microPlatform, as they believe the latest software is the most secure software.

Toradex also elaborates on its plans to simplify developers’ lives with its Torizon platform leveraging Linux microPlatforms, such as simplifying application development, enabling a modern DevOps workflow and easing migration from Windows-based systems.

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Linaro’s Linux Kernel Functional Test framework (LKFT)

Posted by Charbax – October 6, 2018

Linaro LKFT build uses OpenEmbedded to build a userspace image, along with the kernel, for each board and branch combination under test.

LKFT is Linaro’s Linux Kernel Functional Test framework.

The mission of LKFT is to perform functional regression testing on select Linux kernel branches in real time (as they’re updated) and report any regressions as quickly as possible. This is performed by executing a variety of functional-tests on a selection of user-space operating systems.

The goals of LKFT are to shorten derivative Linux kernel release intervals, increase the confidence of upstream Linux kernel engineers in the quality of their releases, and increase the confidence of downstream adopters of those Linux kernel trees. Ultimately the goal is that LKFT will encourage downstream hardware vendors to more frequently update the Linux kernel that runs on their devices in order that consumers might benefit from bug and security updates.

As part of Linaro’s mission to improve the Arm architecture eco-system, the LKFT team reports discovered regressions to Linaro kernel developers, Linaro members, and upstream Linux kernel engineers.

It is important to the Arm eco-system that Linaro also fix as many failures as are found. The LKFT team invests time into identifying, reporting, and fixing upstream kernel regressions, identifying kernel regressions in select member-hardware SoC (system-on-a-chip) trees, fixing test-suites by contributing to upstream testing projects, fixing kernel configurations, improving full OS stack integration (firmware, kernel, userspace), and improving Arm device automation integration.

UEFI at Linaro Connect Vancouver 2018

Posted by Charbax – October 6, 2018

Unified Extensible Firmware Interface (UEFI) is a specification for a software program that connects a computer's firmware to its operating system (OS). UEFI is expected to eventually replace BIOS. Like BIOS, UEFI is installed at the time of manufacturing and is the first program that runs when a computer is turned on.

Google IoT Demo for Zephyr RTOS With TF-M Secured on Musca

Posted by Charbax – October 6, 2018

In this demo, the Trusted Firmware M is providing the SPE and JWT sign, Zephyr is providing the NSPE and The Google IoT application is running on Zephyr using secure services from Trusted Firmware M.

- Platform Security Architecture (PSA) is an IoI security framework being developed by Arm.
- Trusted Firmware M (TF-M) is an open source project to provide PSA compliant secure firmware for M profile devices.
- Zephyr is a Linux Foundation Collaboration Project to provide a small, scalable RTOS for connected, resource constrained device.
- Arm Musca-A1 subsystem based on Armv8-M which allows partitioning the SW execution in Secure and Non Secure domain.

Testing Arm with Arm with LAVA and 96Boards

Posted by Charbax – October 6, 2018

This is a mini LAVA lab running on a Dragonboard 410c to test any other 96Boards, this is a way to use Arm to test Arm boards in a simple affordable reproducible way.

Collecting power measurements in CI Loop

Posted by Charbax – October 6, 2018

At the Linaro Connect Vancouver 2018, Lisa Wen of the Power Management working group shows the work that they are doing to optimize power management.

KernKonzept Open-Source Automobile Safety

Posted by Charbax – October 5, 2018

KernKonzept talks Open-Source Automobile Safety: EB Corbo and the L4Re microhypervisor:
- Renesas R-Car3 H3 Platform
- Virtualized Cluster and IVI
- Based on AGL
- Graphic Virtualization with Imagination's PowerVR Graphics

OpenCV Color Segmentation and Tracking on DragonBoard 820c

Posted by Charbax – October 5, 2018

This demo is based and tested on the DragonBoard 820c, but should be able to work on varying platforms. In summary, it counts objects by color passing in the same direction through the camera field of view. It can count multiple objects simultaneously. The OpenCV functionality leveraged by this demo includes the following:

- Object segmentation using color
- Valid object identification by size
- Frame stitching to track and count multiple simultaneous moving objects by color
- Provides hooks to monitor performance when algorithm changes to - - OpenCV library calls are made for identification tuning
- Provides hooks to export results to the cloud