Burkhard Stubert

Build, deploy and run Qt application on embedded device by pressing the Run button in QtCreator.

Cross-Compiling Qt Embedded Applications with QtCreator and CMake

by Burkhard Stubert
2020/11/212021/11/25

We change the code of our Qt application in QtCreator and press the Run button to try the changes on an embedded device. QtCreator cross-compiles the application, deploys it to the device and runs it on the device. QtCreator performs these steps in a breeze, because we spent quite some time to define a QtCreator Kit. The fairly unknown script configure-qtcreator.sh from the Yocto layer meta-boot2qt automates most of the kit definition.

by Burkhard Stubert
2020/10/102023/06/17
1 Comment

“Complexity is anything related to the structure of a software system that makes it hard to understand and modify the system.” John Ousterhout, The Philosophy… Read More »Book Review: “A Philosophy of Software Design” by John Ousterhout

Breaking Dependency Cycles in Qt Applications

by Burkhard Stubert
2020/09/132020/09/13
1 Comment

A fairly common anti-pattern found in Qt applications is to derive a class MyApplication from QApplication and to have it hand out pointers to a… Read More »Breaking Dependency Cycles in Qt Applications

CppDepend: A C++ Dependency Analyser

by Burkhard Stubert
2020/08/132020/08/13

I evaluated the dependency analyser CppDepend on a real-life embedded application. My goal was to find all dependency cycles between classes in the application. I… Read More »CppDepend: A C++ Dependency Analyser

Webinar: Building Embedded Applications from QtCreator with Docker

by Burkhard Stubert
2020/07/172020/07/17
2 Comments

In a webinar organised by The Qt Company on 8 July 2020, I showed how QtCreator builds an embedded application against a Qt SDK encapsulated in a Docker container. QtCreator doesn’t know which Yocto version was used for building the Qt SDK and which environment variables must be set for the SDK. QtCreator forwards the CMake calls for configuring, building and staging the application to the container, which executes these calls in the right environment.

Qt Embedded Systems – Part 2: Building a Qt SDK with Yocto

by Burkhard Stubert
2020/06/192022/04/15
7 Comments

We want to develop the Internet radio application for the Raspberry Pi in the same way as for a PC. We change the source code in QtCreator and run the application. QtCreator cross-builds the application on the PC for the Raspberry Pi, deploys it with SSH to the Pi and runs it on the Pi. We need a Qt SDK for this to work. In addition to the target libraries from the Linux image, the Qt SDK contains the library headers, a cross-compiler, a cross-linker, a cross-debugger and more.

Qt Embedded Systems – Part 1: Building a Linux Image with Yocto

by Burkhard Stubert
2020/05/262020/09/30
4 Comments

In Part 1 of the series on Qt Embedded Systems, we build a custom Linux image with Yocto for the Raspberry Pi 3B. When we… Read More »Qt Embedded Systems – Part 1: Building a Linux Image with Yocto

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

by Burkhard Stubert
2020/05/152020/05/15

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 outperform teams that don’t. Following the practices of the Agile Manifesto, eXtreme Programming and Scrum enables teams to deliver software both faster and with higher quality than teams ignoring these practices. Trade-offs between speed and quality are debunked as lame excuses.

by Burkhard Stubert
2020/04/132021/06/19

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 target system.
You copy the application from the development PC to the target system with scp.
You start the application on the target system.

Wouldn’t you love to hit Ctrl+R in QtCreator and to have QtCreator perform the above four steps for you? Of course, you would! I’ll show you how in this post. Running an application on an embedded system will be the same as running the application on a PC.

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