Wavedrom

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:ocean: Digital timing diagram rendering engine

EDITOR | TUTORIAL

Introduction

WaveDrom is a Free and Open Source online digital timing diagram (waveform) rendering engine that uses javascript, HTML5 and SVG to convert a WaveJSON input text description into SVG vector graphics.

WaveJSON is an application of the JSON format. The purpose of WaveJSON is to provide a compact exchange format for digital timing diagrams utilized by digital HW / IC engineers.

The engine is using WaveDromSkin skin mechanism to render a complete picture.

Server

svg.wavedrom.com

![Alt](https://svg.wavedrom.com/github/<USER>/<REPO>/<BRANCH>/<PATH>/<FILENAME>.json5)

![signal step4](https://svg.wavedrom.com/github/wavedrom/wavedrom/trunk/test/signal-step4.json5)

signal step4

![reg vl](https://svg.wavedrom.com/github/wavedrom/wavedrom/trunk/test/reg-vl.json5)

reg vl

<img src="https://svg.wavedrom.com/{WAVEDROM SOURCE}/>

<img src="https://svg.wavedrom.com/{signal:[{name:'clk',wave:'p......'},{name:'bus',wave:'x.34.5x',data:'head body tail'},{name:'wire',wave:'0.1..0.'}]}"/>

Web usage

WaveDrom timing diagrams can be embedded into the web pages, blogs, and wikis to be rendered by the most of modern browsers.

HTML pages

There are three steps to insert WaveDrom diagrams directly into your page:

1) Put the following line into your HTML page <header> or <body>:

From a CDN:

<script src="https://cdnjs.cloudflare.com/ajax/libs/wavedrom/3.1.0/skins/default.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/wavedrom/3.1.0/wavedrom.min.js" type="text/javascript"></script>

2) Set the onload event for the HTML body.

<body onload="WaveDrom.ProcessAll()">

3) Insert WaveJSON source inside HTML <body> wrapped with the <script> tag:

<script type="WaveDrom">
{ signal : [
  { name: "clk",  wave: "p......" },
  { name: "bus",  wave: "x.34.5x",   data: "head body tail" },
  { name: "wire", wave: "0.1..0." },
]}
</script>

The script will find all <script type="WaveDrom"> instances and insert a timing diagram at that point.

impress.js

(http://wavedrom.com/impress.html)

Blogs & Wikis

ObservableHQ examples: (https://observablehq.com/collection/@drom/wavedrom)

Blogger integration: (http://wavedrom.blogspot.com/2011/08/wavedrom-digital-timing-diagram-in-your.html)

MediaWiki integration: (https://github.com/Martoni/mediawiki_wavedrom)

Editor

WaveDromEditor is an online real-time editor of digital timing diagrams based on the WaveDrom engine and WaveJSON format.

Standalone WaveDromEditor

Windows

Download latest wavedrom-editor-v2.4.2-win-{ia32|x64}.zip release from here: releases
Unzip it into a working directory.
Run the editor: wavedrom-editor.exe

Linux

Download the latest wavedrom-editor-v2.4.2-linux-{ia32|x64}.tar.gz release from here: releases
unzip-untar the package: tar -xvzf wavedrom-editor-v2.3.2-linux-x64.tar.gz
Run the editor: ./WaveDromEditor/linux64/wavedrom-editor

OS X

Download the latest wavedrom-editor-v2.4.2-osx-x64.zip release from here: releases
Unzip
Run

Community

Please use the WaveDrom user group for discussions, questions, ideas, or whatever.

Contributing

License

See LICENSE.