Embedded

Profiling memory usage on Linux with Qt Creator 4.7

Published Friday July 13th, 2018 | 6 Comments on Profiling memory usage on Linux with Qt Creator 4.7
Posted in Dev Loop, Embedded, Performance, QtCreator | Tags: , , ,

The Performance Analyzer You may have heard about the Performance Analyzer (called “CPU Usage Analyzer” in Qt Creator 4.6 and earlier). It is all about profiling applications using the excellent “perf” tool on Linux. You can use it locally on a Linux-based desktop system or on various embedded devices. perf can record a variety of […]

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Maurice Kalinowski

Integrating Cloud Solutions with Qt

Published Friday June 22nd, 2018 | Comments Off on Integrating Cloud Solutions with Qt
Posted in Dev Loop, Embedded, Internet of Things

Welcome to the final installment of our Qt for Automation blog mini-series. If you missed the previous articles, please have a look at Lars’ blog post, where you can find an overview of all the topics (remote UIs, optimizing device communication, and more) we’ve covered. These days, using the cloud for predictive maintenance, analytics or […]

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Maurice Kalinowski

Building a Bridge from Qt to DDS

Published Wednesday June 6th, 2018 | 4 Comments on Building a Bridge from Qt to DDS
Posted in Automation, Dev Loop, Embedded, Internet of Things | Tags: ,

In our previous posts, we looked into various aspects of using Qt in a telemetry scenario. Part one focused on reducing message overhead, while part two was about serialization. To demonstrate a typical IoT scenario, we used MQTT as a protocol and the Qt MQTT module available in Qt for Automation. However, the landscape of […]

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Miao Luo

Meet us at TU Automotive Detroit 2018 – Booth #B136

Published Friday June 1st, 2018 | Comments Off on Meet us at TU Automotive Detroit 2018 – Booth #B136
Posted in Automotive, Biz Circuit, Community, Embedded

Are you going to TU Automotive Detroit this year? So are we! Join us at the Qt booth #B136, have a chat and check out what’s new in the world of automotive HMIs with our latest demos #builtWithQt.  2D and 3D instrument clusters. Watch how easy it is to design and implement both 2D and […]

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Maurice Kalinowski

Serialization in and with Qt

Published Thursday May 31st, 2018 | 17 Comments on Serialization in and with Qt
Posted in Automation, Dev Loop, Embedded, Internet of Things | Tags: , , ,

In our first part of this series, we looked at how to set up messages, combine them, and reduce their overhead in the context of telemetry sensors. This part focuses on the payload of messages and how to optimize them. There are multiple methods to serialize an object with Qt. In part one, we used […]

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QtKNX updates for 5.11

Published Friday May 18th, 2018 | 2 Comments on QtKNX updates for 5.11
Posted in Automation, Embedded, Internet of Things, Network, Uncategorized | Tags: ,

It has been a while since our last KNX development blog post, so we would like to give you a quick glance into some of the updates in QtKNX that are coming with the 5.11 release. API improvements One of the main improvements in this update was making Qt KNX’s object introspection and construction more […]

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Maurice Kalinowski

Optimizing Device Communication with Qt MQTT

Published Wednesday May 16th, 2018 | 5 Comments on Optimizing Device Communication with Qt MQTT
Posted in Automation, Dev Loop, Embedded | Tags: , ,

Qt for Automation has been launched in conjunction with Qt 5.10 as an AddOn to Qt for Application Development or Qt for Device Creation. One module in that offering is our client-side solution for MQTT called Qt MQTT. Qt MQTT focusses on the client side, helping developers to create sensor devices and or gateways managing […]

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Frank Meerkötter

OPC UA support in Qt 5.11

Published Wednesday May 16th, 2018 | 4 Comments on OPC UA support in Qt 5.11
Posted in Automation, Dev Loop, Embedded | Tags: , ,

OPC UA is a central element of the Industry 4.0 story providing seamless communication between IT and industrial production systems. basysKom has initiated Qt OPC UA in 2015 with the goal of providing an out of the box Qt API for OPC UA. In 2017 basysKom, together with The Qt Company, has finished up a […]

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Lars König

Qt for Automation Blog Series

Published Wednesday May 9th, 2018 | 1 Comment on Qt for Automation Blog Series
Posted in Automation, Biz Circuit, Embedded | Tags: , , , , , ,

Greetings! It’s not a big secret that both the industrial and infrastructure sectors will be far more automated in the future. The main trends that drive this movement are the ubiquitous Digital Transformation, as well as standardization within the industry 4.0 and upcoming industrial IoT technologies. Side note: if you’d like to learn more about […]

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Eirik Aavitsland

Compressed Textures in Qt 5.11

Published Monday May 7th, 2018 | 8 Comments on Compressed Textures in Qt 5.11
Posted in Embedded, OpenGL, Qt Quick, Qt Quick 2, Uncategorized | Tags: ,

As modern user interfaces become ever more graphics intensive, the demands on graphics memory to hold the textures increase. This is particularly relevant for embedded systems, where resources come at a higher premium, and can be a challenge for system performance. One of the key remedies for this is to reduce the memory requirements of the […]

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