To use this driver: 1. Add in your halconf.h: a) #define HAL_USE_GDISP TRUE b) Any optional high level driver defines (see gdisp.h) eg: GDISP_NEED_MULTITHREAD c) One (only) of: #define LCD_USE_GE8 #define LCD_USE_GE12 2. To your makefile add the following lines: include $(CHIBIOS)/os/halext/halext.mk include $(CHIBIOS)/os/halext/drivers/gdispSsd1289/gdisp_lld.mk