How to boot Xen over PXE and NFS on PC Engines apu2
July 18, 2018
From time to time we face requests to correctly enable support for various Xen features on PC Engines apu2 platform. Doing that requires firmware modification, which 3mdeb is responsible for. Xen…
The art of disassembly
May 2, 2018
Probably there has never been a programming language that would fascinate me as much as assembly. In fact, it was my second "real language" (after Pascal/Delphi and DOS batch) and the first one I…
Building UEFI based firmware on MinnowBoard
April 19, 2018
Building EDK2 based firmware for MinnowBoard There are some options to build firmware for MinnowBoard, a Bay-Trail-based SBC (Single Board Computer) from Intel. We usually prefer coreboot as……
Building coreboot for MinnowBoard Turbot
April 17, 2018
Building coreboot on well-supported platform such as Bay Trail is a quite straightforward task, however, we need to remember about some things in order to have coreboot working. First of all, we need…
Minnowboard Turbot remote firmware flashing with RTE (Remote Testing Environment)
April 5, 2018
Introduction Work related to a hardware carries some restrictions which don't occur when working only with a software. One of them is a limited number of devices. This one may cause a problem with a…
Flashing eMMC on Hummingboard Edge using fastboot? part 1
March 20, 2018
Introduction Flashing an eMMC of produced board is one of the crucial manufacturing procedures. This post series presents how one can take advantage of i.MX6 features and open source tools to prepare…
Flashing MinnowBoard Turbot with Raspberry Pi Zero W
November 20, 2017
Recently we started preparation of coreboot training for one of our customers. Our platform of choice for that training is MinnowBoard Turbot. There are couple reasons for that: During training we…
UEFI/EDK II CorebootPayloadPkg on PC Engines apu2
November 3, 2017
Recently we were reached by person interested in running CoreOS on apu2. CoreOS is a very interesting system from security point of view. It was created to support containers and scalability out of…
PC Engines apu2 python Robot Framework validation automation
November 2, 2017
Recently we attended ECC2017 conference. One of topics that we considered was a system for development and validation automation. Unfortunately this talk was not accepted, but we present some…
How to handle a DHT22 sensor using ARM mbed OS?
August 1, 2017
Recently I have encountered with temperature and humidity measurements using DHT22 sensor. I was developing a driver source code in ARM mbed OS SDK on particular STM32 NUCLEO L432KC platform.…