To use this driver: This driver is special in that it implements both the gdisp low level driver and a touchscreen driver. 1. Add in your halconf.h: a) #define GFX_USE_GDISP TRUE b) #define GFX_USE_TOUCHSCREEN TRUE c) Any optional high level driver defines (see gdisp.h) eg: GDISP_NEED_MULTITHREAD d) All of the following (with appropriate values): #define GDISP_SCREEN_WIDTH 640 #define GDISP_SCREEN_HEIGHT 480 2. To your makefile add the following lines: include $(GFXLIB)/gfx.mk include $(GFXLIB)/drivers/gdisp/Win32/gdisp_lld.mk 3. Modify your makefile to add -lgdi32 to the DLIBS line. i.e. DLIBS = -lws2_32 -lgdi32