The Vmarker Utility to configure the Vmarker IR-sensor USB was already opensource. This utilty build with QT is used to configure the Vmarker IR-sensor USB with the Vmarker firmware.
The utility offers a graphical interface to align and calibrate the Vmarker IR-sensor USB. It is used to change settings, but also to enable disable features.
The utility is prebuild for WIndows, linux and Mac, you can find these on the Downloads page.
The source of the Vmarker Utility: