qt5-kobo-platform-plugin

A Qt5 platform backend plugin for Kobo E-Ink devices.
Supports most of the Kobo platform functons including E-Ink screen refresh control, input management for buttons and touchscreen, frontlight control, WiFi management and more.
At runtime an app using this plugin can be configurend with the environment variable QT_QPA_PLATFORM.
The following parameters are supported:

debug -> enables additional debug output
logicaldpitarget= -> enables high dpi scaling

For example:

export QT_QPA_PLATFORM=kobo:debug:logicaldpitarget=108
./myapp

Cross-compile for Kobo

See https://github.com/Rain92/kobo-qt-setup-script