the Build Environment for Raspberry Pi 3 is prepared to work with the offical 7" Raspberry Pi touch display. In case you are using a different display / touch device there might be some adaptationes necessary. If the display is already working - that's great.
In order to access the touch device, it might be necessary to change the input device in /TargetSpecific/ew_bsp_touch.c. By default /dev/input/event0 is used. In most cases it is sufficent to change this setting.
You can also change this device setting within the command line when you start the executable:
Does it work?
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