Bitmap help on Oled LCD LED Module 12864

Hello, I am trying to create a custom bitmap on the 128 x 64 screen.

I have my code attached to view.

The bitmap image I am trying to make is “WatchWave”. I made the bitmap then put it in the LCD assistant and inserted the values into the code. The image is not appearing as it should be as the BMP file. Any ideas on how to get a custom bitmap to appear?

Wave.ino (46.8 KB)

(deleted)

Here is what appears on the Arduino and the bitmap I am trying to have displayed.

Here is what appears on the Arduino and the bitmap I am trying to have displayed.

You bitmap data looks suspicious to me. What were your settings when you used LCD assistant?

In the LCD I have the size as: 128 x 64, size endurance: little and 8 pixels/byte. I have tried exporting it as vertical and horizontal and both don't display correctly on the screen.

Did you specify the 128x64 display in Adafruit_SSD1306.h?

Can you try this bitmap and see if you get any different results?

Your bitmap is weird because of the repeating patterns and the huge amount of data. I believe that a 128x64 display should require 1024 bytes of data for a full bitmap; you’ve got 7776 bytes in that array.

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>


#define OLED_RESET 12
Adafruit_SSD1306 display(OLED_RESET);

const unsigned char WatchWave [] PROGMEM= 
    {
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
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        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
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        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
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        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
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        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
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        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,
        0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,0xa5,
        0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a,0x5a
    };
    
void setup()   
{                
  Serial.begin(9600);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3D (for the 128x64)
  // init done
  
 
  display.display(); // show splashscreen
  delay(2000);
  display.clearDisplay();   // clears the screen and buffer
 
  
  // miniature bitmap display
  /***display.drawbitmap(XPOS, YPOS, Name of Bitmap, WIDTH, HEIGHT, Color (1=white))***/

  display.drawBitmap(0, 0,  WatchWave, 128, 64, 1);
  display.display();
  delay(1000);
  display.clearDisplay();

} 

void loop() 
{
}

That code only displays blocks of yellow and blue not the bitmap image. How can I correct the bitmap to find the right export code to display on the screen?

KatieManning: That code only displays blocks of yellow and blue not the bitmap image. How can I correct the bitmap to find the right export code to display on the screen?

That was the idea; to verify that the basic communication to the OLED is okay. It sounds like it is.

Can you post a link to your original image?

This is the full interface I am trying to build and the wave is the bmp I am working with trying to appear on the screen.

Screen Shot 2019-02-01 at 8.15.54 PM.png

Does this look even close?

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>


#define OLED_RESET 12
Adafruit_SSD1306 display(OLED_RESET);

const unsigned char WatchWave[] PROGMEM = 
    {
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        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
        0x06, 0x32, 0x57, 0x68, 0xE0, 0x27, 0xA2, 0xB6, 0xC5, 0xE1, 0xEC, 0xB1, 0xFA, 0x3C, 0x4A, 0xC4,
        0x84, 0xCD, 0x61, 0x2B, 0xB3, 0x21, 0x27, 0xA2, 0x5F, 0x4F, 0x44, 0xE7, 0x9F, 0xDD, 0x29, 0xDE
    
    };


void setup()   
{                
  Serial.begin(9600);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3D (for the 128x64)
  // init done
  
 
  display.display(); // show splashscreen
  delay(2000);
  display.clearDisplay();   // clears the screen and buffer
 
  
  // miniature bitmap display
  /***display.drawbitmap(XPOS, YPOS, Name of Bitmap, WIDTH, HEIGHT, Color (1=white))***/

  display.drawBitmap(0, 0,  WatchWave, 68, 64, 1);
  display.display();
  delay(1000);
  display.clearDisplay();

} 

void loop() 
{
}