Choosing the ideal software stack for your embedded device is a decision that influences both its performance and long-term value. With so many tools available, the burden of figuring out where to start can feel overwhelming. This blog aims to help you streamline your software selection, focusing primarily on the lowest level of the software […]
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CLI++: Upgrade Your Command Line With a New Generation of Everyday Tools
In a recent email, KDABian Leon Matthes highlighted some of his go-to command line tools for everyday use on Unix. His recommendations sparked a lively exchange among our colleagues, each sharing
Setting C++ Defines with CMake Why you should use configure_file instead of add_definitions
The goal When building C++ code with CMake, it is very common to want to set some pre-processor defines in the CMake code. For instance, we might want to set the project’s version number in a single place, in CMake code like this: This sets the CMake variable PROJECT_VERSION to 1.5, which we can then […]
Delivering Software Updates: The Last Mile of Product Development
Shipping your product to customers is where some real challenges in software development begin. Once it lands in customers’ hands, delivering the expected and necessary software updates can be a complicated task. Here’s a breakdown of some key considerations to keep your product, and your customers, running smoothly, even after your product has shipped. Getting […]
CXX-Qt 0.7 Release
We just released CXX-Qt version 0.7! CXX-Qt is a set of Rust crates for creating bidirectional Rust ⇄ C++ bindings with Qt. It supports integrating Rust into C++ applications using CMake or building Rust applications with Cargo. CXX-Qt provides tools for implementing QObject subclasses in Rust that can be used from C++, QML, and JavaScript. […]
10 Tips to Make Your QML Code Faster and More Maintainable Modernize your code for fun and profit
In recent years, a lot has been happening to improve performance, maintainability and tooling of QML. Some of those improvements can only take full effect when your code follows modern best practices. Here are 10 things you can do in order to modernize your QML code and take full advantage of QML’s capabilities. 1. Use […]
Choosing a Screen for Your Embedded Product
Not all devices require screens. Some rely on web-based user interfaces or smartphone apps for control and interaction. But if your product needs a built-in screen and you need to decide which to get and what to do with it, the rest of this blog is for you. Elaborate or plain? It’s important to choose […]
Choosing Your Embedded Hardware
Choosing the right hardware for an embedded Linux device is so much more important than your software choices. Making the wrong decision can lead to significant costs and disruptions if you have to change hardware mid-development. Read this blog first before you solidify your choice. Custom or commercial? Choosing between a custom or commercially available […]
KD Reports 2.3.0 The Latest Release After Two Years
We’re pleased to announce the release of KD Reports 2.3.0, the latest version of our reporting tool for Qt applications. This marks our first major update in two years, bringing several bug fixes and new features that further improve the experience of generating reports. What is KD Reports? KD Reports is a versatile tool for […]
Implementing an Audio Mixer, Part 2 Basic DSP with Qt Multimedia
Recap In Part 1, we covered PCM audio and superimposing waveforms, and developed an algorithm to combine an arbitrary number of audio streams into one. Now we need to use these ideas to finish a full implementation using Qt Multimedia. Using Qt Multimedia for Audio Device Access So what do we need? Well, we want […]