AsciiDuino

Library that makes displaying shapes/frames on RainbowDuino LED Matrix easy using ASCII pictures as source input.

Rainbowduino makes it easy to utilize an 8x8 (typically) LED matrix. It can draw lines, shapes and pixels.

This library adds ability to define quick shapes using simple string arrays in C/C++, which visually represent what the LED matrix will show.

Usage

You will need to add two libraries to your sketch:

• Rainbowduino
• AsciiDuino

You have two main API calls to work with (at the moment :)

• frame(): Draw a single frame defined by a string pattern. "." in the pattern is an empty cell, while "X" is the color cell. Only one color is currently supported per frame.
• animate(): Animate several frames passed in as an array of strings, with a configurable 32-bit color and a custom delay between frames.

Example

#include <Rainbowduino.h>
#include <AsciiDuino.h>

AsciiDuino matrix(8);

const char *hearts[] = {
    "........"
    ".XX.XX.."
    "XXXXXXX."
    "XXXXXXX."
    ".XXXXX.."
    "..XXX..."
    "...X...."
    "........",
//    
    "........"
    "........"
    ".XX.XX.."
    "XXXXXXX."
    "XXXXXXX."
    ".XXXXX.."
    "..XXX..."
    "...X...."
};

void setup() {
  matrix.init();  
}

void loop() {
  matrix.animate(hearts,
  
      // number of "images" in the array
      sizeof(hearts) / sizeof(char *),
      
      // 32-bit color, this one is bright red
      0xFF0000,
                               
      // delay between frames (ms)                          
      (uint16_t)1000);                  
}

Future Direction

How about supporting full extent of ASCII art? That would be some project :) If we only had more pixels to work with...

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

Author

Konstantin Gredeskoul, @kig, http://github.com/kigster

License

MIT. See LICENSE file for more details.