user80458

Most recent activity

• Cannot get my e paper to work

  in Electronics • 7 years, 3 months

  

  Yes! It is working! Thanks a lot! Looking forward 1v94!

• Cannot get my e paper to work

  in Electronics • 7 years, 3 months

  

  g.drawString() still has issue, I removed setFontVector(), the text still can not display on the right side of display. but the g.drawCircle() function works well.
  When I changed the g.setRotation() from 1 to 0, the whole display is working, but text is 90 degree rotated.

   function(err){
          // (optional) fill the internal buffer for all pixels with color white,
          // without this the default color will be black
          display.g.clear(0xFF);
          // not optional - rotate the display x and y coordinates 90 degrees to the right
          display.g.setRotation(0);
          // from here it shows the normal usage
          // set color black for subsequent uses
          display.g.setColor(0x00);
          // set fontsize, see Graphics and Fonts modules for further options
          display.g.setFontVector(12);
          display.g.drawString('Hello World!', 0, 10);
          display.g.drawString('Hello World!', 0, 50);
           display.g.drawString('Hello World!', 0, 100);
           display.g.drawString('Hello World!', 0, 140);
          display.g.drawCircle(40,40,30);
           display.g.drawCircle(40,100,30);
          display.g.drawCircle(40,140,30);
  

• Cannot get my e paper to work

  in Electronics • 7 years, 3 months

  

  Hi Gorden, the e-ink display is from https://www.smart-prototyping.com/E-ink-E-paper-new-version-display-module-3.3V-2.04-inch-177x72.html
  I tried to use g.drawCircle() to display some circle, the result is fine.

          display.g.drawCircle(100,40,30);
           display.g.drawCircle(40,40,30);
          display.g.drawCircle(140,40,30);
  

• Cannot get my e paper to work

  in Electronics • 7 years, 4 months

  

  Hello Gordon, Thanks a lot! The ink can work now. But I still have an issue there. Only half of the display is working, the other part cannot display correctly. Could you please help?

  The code is exactly the example code from https://www.espruino.com/SSD1606
  Here is the picture for your reference:

• Cannot get my e paper to work

  in Electronics • 7 years, 4 months

  

  Hello, I'm also trying this e paper display, after I send the demo code to pico, and run save(), the display doesn't work, and with some error:

  save()
  =undefined
  Erasing Flash.....
  Writing.............
  Compressed 81600 bytes to 10333
  Checking...
  Done!
  Uncaught Error: Invalid BPP
  at line 1 col 118
  ...Y,this.display.bpp,{msb:!0});b.clear=function(a){(new Uint8A...
  in function "grfx" called from line 1 col 364
  ....powerPin;this.g=this.grfx();this.csbTimeOut=a.clearScreenTi...
  in function "b" called from line 1 col 8
  new b(a)
  in function "connect" called from line 16 col 4
  });
  in function called from system

  here is the code

  // per default turn display off
  digitalWrite(A7, LOW);
  // run following code onInit
  E.on('init', function() {
    // SPI configuration
    var spi = SPI1;
    spi.setup({
      mosi: B5,
      sck:  B3
    });
    // create display instance
    var display = require('SSD1606').connect({
      displayType: 'GDE021A1',
       spi        : spi,
        cs1Pin     : B6,
        dcPin      : B7,
        resetPin   : A5,
        busyPin    : A8,
        bs1Pin     : A6,
        powerPin   : A7
    });
    // activate the power to run the display, just a comfort function, 
    // you can control the power by yourself as well
    display.on();
    display.hwReset(function(){
      display.init(
        function(err){
          // (optional) fill the internal buffer for all pixels with color white, 
          // without this the default color will be black
          display.g.clear(0xFF);
          // not optional - rotate the display x and y coordinates 90 degrees to the right
          display.g.setRotation(1);
          // from here it shows the normal usage
          // set color black for subsequent uses
          display.g.setColor(0x00);
          // set fontsize, see Graphics and Fonts modules for further options
          display.g.setFontVector(20);
          display.g.drawString('Hello World!', 22, 22);
          // from here it shows the needed part
          // (needed) copy internal buffer to display buffer
          display.g.flip();
          // run the display update
          display.refreshScreen(function(err){
            // do whatever you like here, e.g. turn it off when the update is done
            // again just a comfort function
            display.off();
          });
        },
        // clearScreenColor is optional, but prevents e-paper ghosting
        // shadow of an image may be visible after refreshing (only) parts of the screen
        { clearScreenColor: 0x00 }
      );
    });
  });
  

  My firmware got updated.

  Anyone can help? Please :)