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Arduino Nano BLE + 0.96' OLED Display Issues

John A Bonilla

Thread Starter

John A Bonilla

Joined Mar 11, 2017
92
Hi Everyone,

I have been trying to get this OLED display to work properly, however when I try to display an image it ends up being slightly distorted. Instead of two separate eyes as shown in the first picture, the display has issues presenting it. I am using the U8G2 library as the normal SSD1306 library does not seem to work with this display. I have included my code within this post. If anyone has any suggestions I would be very grateful!

P.S. the Arduino code is just a modified version of the example code.
 

Attachments

John A Bonilla

Thread Starter

John A Bonilla

Joined Mar 11, 2017
92
Wolframore said:
Could you just post the code, it looks very short
Click to expand...
Unfortunately I can't find the original example code, however all it did was move an animated image diagonally across the screen. My goal as of right now is just to display this one image one the screen correctly. I would appreciate any help with that!
 
Wolframore

Wolframore

Joined Jan 21, 2019
2,610
Can’t see what’s wrong without seeing the code, I’m on an iPad so you opening test2.ino and copy pasting as text would go a long way to figuring out what is going on. Otherwise we would just be guessing
 
John A Bonilla

Thread Starter

John A Bonilla

Joined Mar 11, 2017
92
Wolframore said:
Can’t see what’s wrong without seeing the code, I’m on an iPad so you opening test2.ino and copy pasting as text would go a long way to figuring out what is going on. Otherwise we would just be guessing
Click to expand...
Oh sorry about that here is the code. Thanks for helping!

test2 file: 
#include <U8g2lib.h>
#include <Wire.h>

U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);

const int sizeBytes = 1024;
const int frames = 1;

static unsigned char icon[frames][sizeBytes] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0x80, 0x01, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0x80, 0x01, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

//BLOCKING FUNCTION
                //  WIDTH         HEIGHT      FRAME DELAY   X INC            Y INC         START X POS     END X POS    START Y POS   END Y POS   NO FRAMES    SIZE OF EACH FRAME            ICON
void playAnimation(int _width, int _height, int fDelay, int xIncrement, int yIncrement, int startXpos, int endXpos, int startYpos, int endYpos, int _frames, int _sizeBytes, unsigned char _icon[frames][sizeBytes])
{
    int xPos = startXpos;
    int yPos = startYpos;

        //draw animation on screen
        //unsigned char tmp_Icon[_sizeBytes]; //NO NEED FOR THIS CHARACTER ARRAY
        
        for(int i = 0; i < _frames; i++)
        {
            //auxScreen.drawXBM(xPos, yPos, _width, _height, tmp_Icon); //REPLACED WITH THE BELOW LINE OF CODE
            u8g2.drawXBM(xPos, yPos, _width, _height, _icon[i]);
            u8g2.sendBuffer();
            u8g2.clearBuffer();
            delay(500);
        }
}


void setup() {
    // put your setup code here, to run once:
    u8g2.begin();
    Serial.begin(9600);
}

void loop() {
    // put your main code here, to run repeatedly:
    playAnimation (128,64,500,0,0,0,0,0,0,frames,sizeBytes,icon);
 
Wolframore

Wolframore

Joined Jan 21, 2019
2,610
Are we sure that’s a 1306 board? Could we get a picture of the chip on the board?

it’s possible you have the SSD1315
 
Last edited:
John A Bonilla

Thread Starter

John A Bonilla

Joined Mar 11, 2017
92
This is the back of the board, I am unsure if this is just a knock off but considering I cannot get this screen to work with the adafruit library, my confidence that this is real isn't high
 

Attachments

Wolframore

Wolframore

Joined Jan 21, 2019
2,610
Try setting up for SSD1315
there is also the SH1106

it looks like you have buffer issues because you may have picked the wrong chip… try to go back to the site where you purchased it, it should state the chip
 
John A Bonilla

Thread Starter

John A Bonilla

Joined Mar 11, 2017
92
Wolframore said:
Try setting up for SSD1315
there is also the SH1106

it looks like you have buffer issues because you may have picked the wrong chip… try to go back to the site where you purchased it, it should state the chip
Click to expand...
I can't find any real drivers for SSD1315 they all seem to link me back to SSD1306
 
Wolframore

Wolframore

Joined Jan 21, 2019
2,610
Use the initializer for the SH1106, there are a few pixel shifts from the 1306 chip, which would explain what’s happening.

apparently 1315 are compatible with 1306.
 
John A Bonilla

Thread Starter

John A Bonilla

Joined Mar 11, 2017
92
Wolframore said:
Use the initializer for the SH1106, there are a few pixel shifts from the 1306 chip, which would explain what’s happening.

apparently 1315 are compatible with 1306.
Click to expand...
Sorry to keep beating you down, the SH1106 did get rid of the issues on the side, but the image is still distorted. I do appreciate your help!
 
Wolframore

Wolframore

Joined Jan 21, 2019
2,610
what does it look like now?

post a screenshot and your updated code

can you find the link to where you originally purchased the display? Lets make sure it’s not some other display controller (there are a number of possibilities)
 
Last edited:
John A Bonilla

Thread Starter

John A Bonilla

Joined Mar 11, 2017
92
Wolframore said:
what does it look like now?

post a screenshot and your updated code

can you find the link to where you originally purchased the display? Lets make sure it’s not some other display controller (there are a number of possibilities)
Click to expand...
Hey, sorry for taking so long to reply. I have rewritten my code and still come to the same issue where my image is for some reason distorted. I have attached my code along with the correction from changing to SH1106
Here is the link to the Display: https://usa.banggood.com/Geekcreit-...8.html?rmmds=myorder&cur_warehouse=USA&ID=229

IMG-0005.jpg

Code: 
#include <Arduino.h>
#include <U8g2lib.h>

#ifdef U8X8_HAVE_HW_SPI
#include <SPI.h>
#endif
#ifdef U8X8_HAVE_HW_I2C
#include <Wire.h>
#endif

U8G2_SH1106_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE, /* clock=*/ 22, /* data=*/ 21);

void u8g2_prepare(void) {
  u8g2.setFont(u8g2_font_6x10_tf);
  u8g2.setFontRefHeightExtendedText();
  u8g2.setDrawColor(1);
  u8g2.setFontPosTop();
  u8g2.setFontDirection(0);
}

#define cross_width 128
#define cross_height 64
static const unsigned char cross_bits[] U8X8_PROGMEM  = {
 
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x7F, 0xFF, 0xFF, 0xFF, 0x80, 0x01, 0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0x03, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x07, 0xFF, 0xFF, 0xFF, 0xFF, 0x80, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xC0, 0x03, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x7F, 0xFF, 0xFF, 0xFF, 0x80, 0x01, 0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

void u8g2_bitmap_overlay(uint8_t a) {
  u8g2.drawXBMP(0, 0, cross_width, cross_height, cross_bits);
}

uint8_t draw_state = 0;

void draw(void) {
  u8g2_prepare();
  u8g2_bitmap_overlay(draw_state&7);
 }

void setup() {
  u8g2.begin();
}

void loop() {
  u8g2.clearBuffer();
  draw();
  u8g2.sendBuffer();
  delay(100);
}
 

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