To use this driver: 1. Add in your gfxconf.h: a) #define GFX_USE_GINPUT GFXON #define GINPUT_NEED_DIAL GFXON #define GINPUT_NEED_GADC GFXON d) If you are not using a known board then create a ginput_lld_toggle_board.h file and ensure it is on your include path. Use the ginput_lld_dial_board_example.h file as a basis. Currently known boards are: Olimex SAM7-EX256 2. To your makefile add the following lines: include $(GFXLIB)/drivers/ginput/dial/GADC/ginput_lld.mk include $(GFXLIB)/drivers/gadc/yourGADCdriver/gadc_lld.mk