[Update August 24, 2019: Added information about expected release date and license]
This may be a game changer in the entire MCU world, since Qt for MCUs allows developers to create fluid user interfaces on cost-effective micro controllers. This means we will be able to see smartphone like GUI’s which are running on low-end MCU’s with limited resources. With reference to their press release, assuring that Qt-GUI will consume less power to save the battery life.
applications are being rendered by Qt’s optimised graphics run-time with low memory foot print. This makes Qt for MCUs capable of running on resource constrained devices. This new run time engine allows the application to run directly on the processor without an operating system.
Providing Qt Quick Control 2 along with Qt offers features to start the development with Qt for MCUs. Qt’s design and development tools – Qt Design Studio and Qt Creator will support development on the new graphical toolkit. The Qt team is also ensuring that the current users of Qt can continue using their existing workflows to develop applications for micro-controllers. You can download demo binaries and try them out with a supported hardware platform.
Currently, Qt for MCUs is specifically developed for Arm Cortex-M microcontrollers, with a limited set of tested hardware platforms, mentioned below.
- I.MX RT1050-EVKB
- Renesas RH850
A thermostat demo can run on NXP I.MX RT1050-EVKB with the following specifications and resources consumed.
- Screen Resolution of 480×272, Color -16 bit
- Frame Rate 60 FPS
- SRAM Used 1625 KB
- FrameBuffer 522KB
As demonstrated by the videos published by the Qt team, a GUI developed with the graphical tookit is capable of running on somewhat low-end hardware.
The company targets a mid-September release for the evaluation version to be available for download, and it will be licensed under a commercial license.
- Product page where you can sign-up to receive the evaluation packages
- Qt-Quick Control-2 reference document
- Styling Guide Qt-Quick Control-2
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