Book Review: “Accelerate” by Nicole Forsgren et al.

The book Accelerate – Building and Scaling High Performing Technology Organizations by Nicole Forsgren et al. is an eye opener and game changer for everyone involved in software development. Nicole provides empirical evidence why teams that apply best practices like test and deployment automation, continuous integration, loosely coupled architectures and team empowerment by far...

Docker Builds from QtCreator

On your development PC, you simply hit Ctrl+R (Run) in QtCreator to build and run your Qt application. When you want to run the application on an embedded system, you must perform four tasks: You cross-build the Qt application for the target embedded system in a Docker container. You stop the application on the...

Creating Simple Installers with CPack

In my recent post Benefits of a Relocatable Qt, I explained how to relocate Qt from a build server to a developer PC and from the PC to an embedded system. Qt is installed in three different locations. My solution has two small deficiencies. First, it sets the install rpath to an absolute path...

Benefits of a Relocatable Qt

Bob builds Qt for the development team on a fast compute server. He packs Qt into a tarball and hands the tarball to his teammates. Alice installs the Qt tarball on her PC in a directory that differs from the installation directory used by Bob. As the target embedded system runs on an AMD...

Less Love for FOSS Qt Users

From Qt 5.15, The Qt Company make their offering a bit more inconvenient for FOSS users. They announced three changes: A Qt account is mandatory to download binary Qt packages. The offline installer is not available to FOSS users any more. LTS (long-term support) releases are not available to FOSS users, once the next...

Introduction to the SAE J1939 Standard

In the early days of controller area networks (CAN), every device manufacturer interpreted CAN frames in its own proprietary way. When you changed the engine of a harvester from Volvo to MAN, you would have to reimplement the communication with the engine from scratch. Fendt tractors wouldn’t be able to communicate with John Deere...

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