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_GPIO #define LCD_USE_SPI #define LCD_USE_FSMC d) All of the following (with appropriate values): #define SCREEN_WIDTH 320 #define SCREEN_HEIGHT 240 2. To your makefile add the following lines: include $(LCDLIB)/drivers/gdisp/S6D1121/gdisp_lld.mk