Category Archives: Technical

Introducing lavabo, board remote control software

In two previous blog posts, we presented the hardware and software architecture of the automated testing platform we have created to test the Linux kernel on a large number of embedded platforms. The primary use case for this infrastructure was … Continue reading

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Eight channels audio on i.MX7 with PCM3168

Free Electrons engineer Alexandre Belloni recently worked on a custom carrier board for a Colibri iMX7 system-on-module from Toradex. This system-on-module obviously uses the i.MX7 ARM processor from Freescale/NXP. While the module includes an SGTL5000 codec, one of the requirements … Continue reading

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Feedback from the Netdev 2.1 conference

At Free Electrons, we regularly work on networking topics as part of our Linux kernel contributions and thus we decided to attend our very first Netdev conference this year in Montreal. With the recent evolution of the network subsystem and … Continue reading

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Linux 4.11, Free Electrons contributions

Linus Torvalds has released this Sunday Linux 4.11. For an overview of the new features provided by this new release, one can read the coverage from LWN: part 1, part 2 and part 3. The KernelNewbies site also has a … Continue reading

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Buildroot 2017.02 released, Free Electrons contributions

The 2017.02 version of Buildroot has been released recently, and as usual Free Electrons has been a significant contributor to this release. A total of 1369 commits have gone into this release, contributed by 110 different developers. Before looking in … Continue reading

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Linux 4.10, Free Electrons contributions

After 8 release candidates, Linus Torvalds released the final 4.10 Linux kernel last Sunday. A total of 13029 commits were made between 4.9 and 4.10. As usual, LWN had a very nice coverage of the major new features added during … Continue reading

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Free Electrons and Raspberry Pi Linux kernel upstreaming

For a few months, Free Electrons has been helping the Raspberry Pi Foundation upstream to the Linux kernel a number of display related features for the Rasperry Pi platform. The main goal behind this upstreaming process is to get rid … Continue reading

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Power measurement with BayLibre’s ACME cape

When working on optimizing the power consumption of a board we need a way to measure its consumption. We recently bought an ACME from BayLibre to do that. Overview of the ACME The ACME is an extension board for the BeagleBone Black, … Continue reading

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Video and slides from Linux Conf Australia

Linux Conf Australia took place two weeks ago in Hobart, Tasmania. For the second time, a Free Electrons engineer gave a talk at this conference: for this edition, Free Electrons CTO Thomas Petazzoni did a talk titled A tour of … Continue reading

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Free Electrons at FOSDEM and the Buildroot Developers Meeting

Like every year, a number of Free Electrons engineers will be attending the FOSDEM conference next week-end, on February 4 and 5, in Brussels. This year, Mylène Josserand and Thomas Petazzoni are going to FOSDEM. Being the biggest European open-source … Continue reading

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