You can choose different display types by activating #define of your choice

( by using CE you could have multi-screen ... ;-)

#define LX12864G_086_SPI   (3)
//#define SSD1306_SPI      (1)
//#define SSD1306_IIC      (2)
//#define NOKIA_5110_SPI   (0)


// Selected display type
#define DISP_TYPE          LX12864G_086_SPI
#define DISP_WIDTH         128
#define DISP_HEIGHT        64
#define DISP_NCOL_SMALL    21  // 128/6 small font