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HMI Graphics Frameworks at DH electronics

HMI Graphics Frameworks at DH electronics

Date : 31. August 2024

Comparison of HMI Graphics Frameworks

As soon as a display is to be used in an embedded device, the question of the right graphics framework arises. As there are a wide variety of frameworks, we have compared three relevant examples here and analysed the advantages and disadvantages.

 

LVGL

✅ Free licence costs and open source

✅ Low hardware requirements, GPU utilisation optional

✅ Existing Yocto integration

❌ Not the same graphical performance as Qt or Flutter

 

QT

✅ Market leader

✅ GPU is required for good performance

✅ Existing Yocto integration

✅ Existing user base with support forum

❌ Licence costs to get decent LTS support

 

Flutter

✅ Licence costs free and open source

✅ Cross-platform portability (Android/Linux/OSX/...)

✅ Large user base

✅ Useful documentation and examples supported by Google

❌ Requires powerful hardware (CPU and GPU)

❌ Yocto integration of meta-flutter is currently not optimal

 

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