AVR

cat.c

static const uint8_t image_cat[] PROGMEM = {0x55,0x8b,0x55,0x23,0x55,0x88,0x55,0x23,0x55,0xe8,0x55,0xa2,0x55,0x88,0x55,0x2,0x55,0xaf,0x77,0xff,0xdd,0xff,0x75,0xff,0xd5,0xef,0x77,0xff,0xdd,0xff,0x57,0xff,0xdf,0xff,0x77,0xff,0x5d,0xff,0x55,0xb8,0x55,0xa8,0x55,0x20,0x55,0x88,0x55,0xf2,0x55,0xe8,0x55,0xb,0x55,0xbe,0x55,0x2b,0x55,0xf,0x55,0xb,0x15,0xb,0x15,0x3,0x11,0x0,0x1,0x0,0x11,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x10,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x10,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x11,0x0,0x4,0x0,0x11,0x0,0x55,0x3b,0x55,0xff,0x55,0xff,0xd5,0xff,0x55,0xff,0xfd,0xff,0x77,0xff,0xdd,0xfe,0x75,0xfa,0xd5,0xff,0x55,0xfb,0xd5,0xea,0x55,0xba,0x55,0xaa,0x55,0x23,0x55,0x8a,0x55,0x22,0x55,0x88,0x55,0x2a,0x55,0xff,0x75,0xff,0x5d,0xfe,0x55,0x2e,0x55,0x8e,0x55,0x2b,0x55,0xff,0x57,0xff,0xdd,0xff,0x77,0xff,0xdd,0xff,0x77,0xff,0xdf,0xff,0x55,0xbf,0x5d,0xaf,0x55,0x3b,0x55,0xae,0x55,0xfa,0xd5,0xbe,0x55,0x1b,0x55,0x2,0x55,0x0,0x15,0x0,0x5,0x0,0x11,0x0,0x0,0x0,0x11,0x0,0x0,0x0,0x1,0x0,0x40,0x0,0x11,0x0,0x44,0x0,0x11,0x0,0x44,0x0,0x11,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x10,0x0,0x0,0x0,0x1,0x0,0x0,0x0,0x11,0x0,0x0,0x0,0x1,0x0,0x54,0x0,0x55,0xbf,0x57,0x3f,0x5d,0xfb,0x55,0xf8,0x5d,0xff,0x55,0xff,0x55,0xff,0x75,0xff,0x5d,0xff,0x55,0xff,0x5d,0xff,0x75,0xfb,0x55,0xfa,0x55,0xb2,0x55,0x8a,0x55,0x22,0x55,0x88,0x55,0x82,0x55,0x8a,0x55,0xbf,0x5d,0xff,0x57,0xff,0x5d,0xbc,0x55,0x3e,0x55,0x8b,0x55,0x8f,0x55,0xff,0x55,0xbf,0x55,0xff,0x57,0xbf,0x5f,0xff,0x57,0xff,0x5d,0xff,0x57,0xfe,0xdd,0xfe,0x55,0xff,0x55,0xaf,0x55,0x3,0x15,0x0,0x44,0x0,0x11,0x80,0x44,0x80,0xd1,0xe0,0x50,0xe0,0x51,0xe0,0x54,0xa0,0x51,0xe0,0x50,0xe0,0x51,0x80,0x54,0x80,0x51,0x80,0x40,0x0,0x11,0x0,0x44,0x0,0x11,0x0,0x40,0x0,0x11,0x0,0x0,0x0,0x11,0x0,0x40,0x0,0x10,0x0,0x40,0x0,0x11,0x0,0x40,0x0,0x11,0x2,0x5,0x0,0x1,0x0,0x1,0x0,0x11,0x3,0x5,0x3,0x11,0x0,0x45,0x0,0x15,0x0,0x55,0x3,0x15,0xa,0x55,0x2b,0x55,0xaf,0x55,0xbb,0x55,0x88,0x55,0x22,0x55,0x88,0x55,0x3,0x55,0x8a,0x55,0xa2,0x55,0xbe,0x55,0xfb,0xd5,0xfe,0x75,0xfe,0x7d,0xfe,0x55,0xfb,0xd5,0xf0,0x55,0xf0,0xd5,0xfa,0x55,0xab,0x55,0xaa,0x55,0xbb,0x55,0xee,0x55,0xff,0xd5,0xff,0x75,0xff,0x55,0xfe,0x55,0x3a,0x5d,0xe,0x55,0x2,0x15,0xf,0x5,0x7,0x15,0xf,0x45,0x3,0x15,0x7,0x7,0x3,0x15,0x3,0x5,0x3,0x11,0x0,0x5,0x1,0x11,0x2,0x5,0x2,0x11,0x0,0x4,0x0,0x11,0x0,0x45,0x0,0x51,0x88,0x55,0x0,0x51,0x80,0x55,0xa0,0xd1,0x80,0x54,0x0,0x51,0x80,0x54,0x0,0x51,0xe8,0x54,0x30,0x11,0x0,0x40,0x0,0x11,0x0,0x0,0x0,0x1,0x0,0x40,0x0,0x11,0x0,0x4,0x0,0x11,0x0,0x55,0x0,0x55,0x0,0x55,0x2,0x55,0x88,0x55,0x2,0x55,0x8,0x55,0x0,0x55,0x88,0x55,0x2b,0x5d,0xff,0x55,0xa3,0x55,0xfb,0x55,0xff,0xdd,0xff,0x55,0xfb,0x55,0xaf,0x57,0xbf,0x55,0xab,0x55,0x2b,0x55,0xfe,0x55,0xba,0x55,0xaf,0x55,0xbb,0x55,0xff,0x55,0x2b,0x55,0x0,0x55,0x0,0x11,0x0,0x40,0x0,0x11,0x0,0x0,0x0,0x11,0x0,0x40,0x0,0x10,0x0,0x0,0x0,0x11,0x0,0x40,0x0,0x10,0x0,0x0,0x0,0x11,0x0,0x40,0x0,0x11,0x0,0x44,0x0,0x11,0x0,0x45,0x2,0x15,0xe,0x55,0xf,0x15,0xf,0x55,0xf,0x55,0xf,0x55,0x3a,0x55,0xea,0x55,0xba,0x55,0xa8,0x55,0x0,0x11,0x80,0x40,0x0,0x11,0x0,0x44,0x0,0x11,0x0,0x44,0x0,0x11,0x0,0x44,0x0,0x11,0x0,0x45,0x0,0x11,0x0,0x55,0x0,0x55,0x88,0x55,0x20,0x55,0x88,0x55,0x0,0x55,0x88,0x55,0x20,0x55,0x8f,0x55,0xfb,0xd5,0xef,0x55,0xb,0x1d,0xe,0x55,0x6,0x15,0x6,0x55,0x2,0x55,0xb,0x55,0x3,0x55,0xab,0x55,0xaa,0x55,0xea,0x55,0xff,0xdd,0xff,0x55,0xfb,0x55,0xa8,0x55,0x0,0x55,0x80,0x55,0x0,0x51,0x0,0x54,0x0,0x51,0x80,0x55,0x0,0x51,0x80,0x54,0x0,0x55,0x80,0x54,0x0,0x51,0x0,0x54,0x0,0x11,0x0,0x45,0x0,0x51,0x0,0x55,0x0,0x11,0x0,0x55,0x0,0x55,0x80,0x55,0x0,0x55,0x80,0x55,0x0,0x55,0x88,0x55,0x0,0x55,0x88,0x55,0xfb,0xd5,0xfa,0x75,0xfa,0xd5,0xe8,0x55,0xa0,0x55,0xa8,0x55,0x80,0x51,0x80,0x55,0x0,0x51,0x80,0x54,0x0,0x11,0x0,0x55,0x0,0x55,0x80,0x55,0x0,0x55,0x88,0x55,0x0,0x55,0xa8,0x55,0x38,0x55,0x88,0x55,0x20,0x55,0x8e,0x55,0x3f,0x55,0xff,0x55,0xb0,0x51,0xa0,0x55,0xb8,0x55,0xec,0x55,0xba,0x55,0xb8,0x55,0xba,0x55,0xae,0x55,0xbb,0x55,0xaf,0x55,0xbf,0xd5,0xff,0x55,0xfb,0x55,0xaa,0x55,0x0,0x55,0x80,0x55,0x0,0x55,0x88,0x55,0x0,0x55,0x80,0x55,0x20,0x55,0x88,0x55,0x20,0x55,0x80,0x55,0x0,0x51,0x0,0x55,0x0,0x55,0x80,0x55,0x0,0x51,0x88,0x54,0x0,0x55,0x80,0x55,0x20,0x55,0xa8,0x55,0xa0,0x55,0xea,0x55,0xfa,0xd5,0xfa,0x55,0xfa,0xdd,0xff,0x77,0xff,0xff,0xff,0x77,0xff,0xdf,0xff,0x77,0xff,0x5d,0xff,0x55,0xff,0xd5,0xfe,0x55,0xba,0x55,0xa8,0x55,0x0,0x55,0x80,0x55,0x0,0x55,0x0,0x55,0x0,0x55,0x88,0x55,0x22,0x55,0x88,0x55,0x22,0x55,0x88,0x55,0x22,0x55,0xa8,0x55,0x22,0x55,0xff,0x55,0xff,0x55,0xff,0x55,0xbb,0x55,0xaa,0x55,0xbb,0x55,0xaa,0x55,0xbb,0x55,0xaa,0x55,0x7b,0x55,0x2e,0x55,0x2b,0x55,0x8f,0x55,0x3b,0x55,0x8a,0x55,0x22,0x55,0x88,0x55,0x20,0x55,0xa8,0x55,0x2a,0x55,0x8a,0x55,0xa2,0x55,0xaa,0x55,0x28,0x55,0x8a,0x55,0x20,0x55,0x88,0x55,0x20,0x55,0x88,0x55,0xa0,0x55,0x88,0x55,0xa2,0x55,0xaa,0x55,0xa2,0x55,0xaa,0x55,0xfb,0xd5,0xff,0x55,0xff,0x5d,0xff,0x55,0xbf,0x55,0xef,0x55,0xbb,0x55,0xab,0x55,0xab,0x55,0x8a,0x55,0x23,0x55,0x8a,0x55,0x3,0x55,0x8b,0x55,0x3,0x55,0x8,0x55,0x0,0x55,0x0,0x55,0x0,0x51,0x0,0x55,0x0};

void cat() {
    i2c_start(SSD1306_ADDRESS);
    i2c_write(0x40);
    uint8_t row,col;
    for (row=0; row<32; ++row) {
        for (col=0; col<32; ++col) {
            uint8_t byte = pgm_read_byte(&(image_cat[row*32+col]));
            i2c_write(byte);
        }
    }
    i2c_stop();
}