Welcome to Episode 18 of my newsletter on Qt Embedded Systems! My May newsletter is all about system design and architecture. The trigger was the inspiring Software Architecture Workshop held by Ruth Malan and Dana Bredemeyer [BM21]. I wrote two
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
Operator conditions like light, temperature, water, dust and vibration are a rich source for constraints and qualities of a system architecture. They affect the SoC, display and connector selection, the touch gesture recognition, the communication between system components, the cabling,
Welcome to Episode 17 of my newsletter on Qt Embedded Systems! You may have been wondering, why you didn’t receive the April issue of my newsletter last Friday - on the last day of the month. I simply was
Welcome to Episode 16 of my newsletter on Qt Embedded Systems! This newsletter is a bit shorter than usual. I had too much on my hands this month: a full-time project, a license-compliance project on the side, preparing a talk,
Setting up QtCreator for cross-compilation with CMake took me 15-20 hours the first two or three times. The next half a dozen times took me 4 hours on average. The last two times took me 5 minutes - using the
Welcome to Episode 15 of my newsletter on Qt Embedded Systems! If you are planning to give a presentation at a Qt event this year, you’ll find two calls for presentations in the News section. Note that the deadline
Our Qt embedded system is displayed on a monitor mounted in portrait orientation. The system runs the Wayland compositor Weston as a window manager. HMI applications are shown rotated by 90 degrees - in landscape orientation. The system toolbar of
Welcome to Episode 14 of my newsletter on Qt Embedded Systems! In January, I had the chance to test LoRaWAN and BLE Long Range (Coded PHY) for wireless communication indoors - with walls and other obstacles. The selection of the
September 2021 saw the launch of Qt 6.2 - the first Qt 6 version with feature parity to Qt 5.15. I wanted to find out whether Qt 6.2 is fit for products. So, I migrated the HMI
Welcome to Episode 13 of my newsletter on Qt Embedded Systems! Qt 6.0 was released on 8 December. So, writing a Qt 6 Special suggested itself. I take a look at 7 posts from the Qt 6 launch through
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