28 #ifndef _SSD1306_COMMANDS_H_    29 #define _SSD1306_COMMANDS_H_    39     SSD1306_SETLOWCOLUMN     = 0x00,
    40     SSD1306_SETHIGHCOLUMN    = 0x10,
    41     SSD1306_MEMORYMODE       = 0x20,
    42     SSD1306_COLUMNADDR       = 0x21,
    43     SSD1306_PAGEADDR         = 0x22,
    44     SSD1306_SETSTARTLINE     = 0x40,
    45     SSD1306_DEFAULT_ADDRESS  = 0x78,
    46     SSD1306_SETCONTRAST      = 0x81,
    47     SSD1306_CHARGEPUMP       = 0x8D,
    48     SSD1306_SEGREMAP         = 0xA0,
    49     SSD1306_DISPLAYALLON_RESUME = 0xA4,
    50     SSD1306_DISPLAYALLON     = 0xA5,
    51     SSD1306_NORMALDISPLAY    = 0xA6,
    52     SSD1306_INVERTDISPLAY    = 0xA7,
    53     SSD1306_SETMULTIPLEX     = 0xA8,
    54     SSD1306_DISPLAYOFF       = 0xAE,
    55     SSD1306_DISPLAYON        = 0xAF,
    56     SSD1306_SETPAGE          = 0xB0,
    57     SSD1306_COMSCANINC       = 0xC0,
    58     SSD1306_COMSCANDEC       = 0xC8,
    59     SSD1306_SETDISPLAYOFFSET = 0xD3,
    60     SSD1306_SETDISPLAYCLOCKDIV = 0xD5,
    61     SSD1306_SETPRECHARGE     = 0xD9,
    62     SSD1306_SETCOMPINS       = 0xDA,
    63     SSD1306_SETVCOMDETECT    = 0xDB,
    65     SSD1306_SWITCHCAPVCC     = 0x02,
    72     HORIZONTAL_ADDRESSING_MODE  = 0x00,
    73     VERTICAL_ADDRESSING_MODE    = 0x01,
    74     PAGE_ADDRESSING_MODE        = 0x02,
    82 #endif // _SSD1306_COMMANDS_H_