[Podcast] Kernel Panic - Board on Fire ~~> #008: Aus dem Takt - Das Doppelpack Clock-Glitches

In dieser Folge reden Ahmad und Leonard über Takte / Clocks in Prozessoren. Darüber warum es so viele gibt, wie sie erzeugt und im Chip verteilt werden und darüber, was dabei eigentlich so schief gehen kann.

umpf - Git on a New Level

Modern software development is commonly accompanied by a version control system like Git in order to have changes to the source code being documented in a traceable manner. Furthermore, any version state should be easily reproducible at any time. However, for work on complex projects such as the BSP ("Board Support Package") of an embedded system with its multiple development aspects, the simple stacking of the individual changes on top of each other does not scale.

[Podcast] Kernel Panic - Board on Fire ~~> #007: GPU und nu? Der Weg zum offenen Grafiktreiber

In dieser Folge erzählt Lucas Stach uns wie er in die Entwicklung der offenen Grafiktreiber Nouveau und Etnaviv hineingeraten ist und was so ein Grafiktreiber eigentlich tut. Wir reden darüber warum Grafikkarten überhaupt Software ausführen und wie diese Software von der Anwendung bis in die Grafikkarte kommt.

candleLight FD - Open Hardware USB-to-CAN-FD interface

This week Linux Automation has released a CAN-FD version of the low-cost USB-to-CAN interface candleLight: the candleLight FD. And as the candleLight the candleLight FD is Open Hardware. Check the KiCad project on Github.

LXA USB-T1L ❤️ Beagle Play: Exploring Single Wire Ethernet

It seems everybody is talking about Single Pair Ethernet (SPE) these days. So we want to follow the trend and do the same :-) SPE is a class of Ethernet transmission standards that uses just a single pair of twisted pair cable for data transmission. There are multiple SPE variants spanning maximum data rates from a hand full MBit/s to multiple GBit/s and cable lengths from a hand full of meters to kilometers. The most interesting ones from our embedded-centric point of view are 10Base-T1L (point-to-point, up to 1 km), 10Base-T1S (multidrop, approx. 10 m) and 100Base-T1 (point-to-point, 15 m). The new Beagle Play comes with a 10Base-T1L PHY. This makes it a great peer to experiment with our Linux Automation USB-T1L. In this post we will explore the possibilities of 10Base-T1L on a recent Linux system.

FrOSCon 2023

In a few hours, the 18th FrOSCon will begin at the Bonn-Rhein-Sieg University of Applied Sciences. Pengutronix will be there again with a small team. At one of the partner booths we will show some of our activities in the open source community. We will bring our labgrid demonstrator and the FPGA demo.

[Podcast] Kernel Panic - Board on Fire ~~> #006: Der Browser im Fahrkartenautomaten - Webtechnologie trifft Embedded-GUIs

In dieser Folge erzählt Bastian Krause uns warum man öfter als man vielleicht denkt Webbrowser auf Embeddedgeräten vorfindet und was die verwendeten Browser von normalen Desktopbrowsern unterscheidet. Außerdem reden wir über Browserengines im Allgemeinen und auch ein bisschen über automatisiertes Testing von Webapplikationen.

Embedded Linux Conference Europe 2023: Our Recommendations

Last month Pengutronix was present at the Embedded Open Source Summit (EOSS) in Prague. Thanks to all to all speakers for sharing your knowledge! In this blog post we want to shine a spotlight at a few talks that we found especially interesting. (Links to recordings will be added once the recordings are available.)

RAUC v1.10 Released

Just in time for the EOSS 2023 in Prague, we have released v1.10 of RAUC. Just-in-time means the release was actually finalized by Jan Lübbe in the train to Prague (like I finally wrote the majority of this blog post on the train back).

Embedded Linux Conference Europe 2023: Our Contributions

This year the Embedded Linux Conference Europe (ELCE) is back in Prague! Pengutronix, again, is on a field trip with 15 colleges to attend the conference. The ELCE is one of the big conferences where the Embedded Linux Community meets during the year. This time the ELCE is part of the Embedded Open Source Summit (EOSS): a new conference with only embedded topics and without cloud- or crypto-tracks.