zmichaelov / espresso

A web frontend for the Espresso logic minimization program

Espresso Web App

© Zach Michaelov, 2011 About

Espresso is a web-frontend for the ESPRESSO logic minimization tool originally developed at IBM. You can read more about it at the following links:

• http://en.wikipedia.org/wiki/Espresso_heuristic_logic_minimizer
• http://diamond.gem.valpo.edu/~dhart/ece110/espresso/tutorial.html

Features

• Client-side input validation and error-checking
• Standard ESPRESSO and LaTeX output

Usage

1. Enter the number of logic variables
2. Enter the minterms separated by spaces or commas (e.g. 0 2 5 7 or 0, 2, 5, 7)
3. Enter don't cares separated by spaces or commas (leave blank if none)

Installation

To run your own instance of Espresso:

1. Download the source code from https://github.com/zmichaelov/espresso to your web server's directory. For most *nix-based Apache installations this will be somewhere under /var/www/.

2. Download the ESPRESSO source code from ftp://ftp.cs.man.ac.uk/pub/amulet/balsa/other-software/espresso-ab-1.0.tar.gz

3. Extract the archive. Then,

   cd espresso-ab-1.0/
   ./configure
   make    
   

4. Copy the espresso *nix executable under espresso-ab-1.0/src to espresso/bin

5. Point your web browser to the web app's index.php (espresso/index.php)

Coming Soon

• Maxterm minimization