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architecture

Parking at Munich Airport: An Awful Experience

The parking experience at Munich Airport is awful. It is too easy to do something wrong, which can only be remedied by calling support. The bad user experience is caused by a bad system architecture. The pieces for a better architecture are already in place. Improving the interaction between these pieces improves the architecture and a fortiori the user experience. I can at least dream of a better parking experience in the future, although I can’t change the current one.

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Ports-and-adapters architecture for harvester terminal with GUI, Cloud, Machine and Customer adapter.

My Talk “A Successful Architecture for Qt Embedded Systems” at Qt Day Italy 2021

Creating an architecture means answering many questions about the ecosystem, in which the Qt embedded system operates. While the questions are very similar for all Qt embedded systems, the answers and their priorities differ. So, you should be able to transfer the questions and answers from my running example, a harvester terminal, to your system.

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Window manager showing split view of home (left) and of turbine cam (right).

Architecture of Qt Embedded Systems: Single vs. Multiple GUI Applications

Our quest for a successful architecture of a harvester terminal continues. In this episode, we discuss when a system with a single application is good enough and when a system with multiple applications and a window manager is the better choice. Sometimes, a single-application system with a window manager is just the right choice.

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High-level architecture of Qt embedded system with controller, cloud and sensor

Architecture of Qt Embedded Systems: Getting Started

Which system-on-chip is best suited for your Qt embedded system? Should you build a custom Linux system with Yocto, use a container OS or a desktop Linux? Should you use Qt Commercial or Qt LGPLv3? How will the system be updated? What are the operating conditions of the system? How does the system communicate with sensors, ECUs and the cloud?

This is only a small selection of the 50+ questions in this post. You best tackle these questions early in the project. Fixing wrong decisions becomes exponentially harder with the duration of the project. Your decisions can make or break a project.

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