From: Suraj Kurapati <snk@...>
Date: 2007-05-03T13:55:48+09:00
Subject: [ANN] Ruby-VPI 16.0.0

Ruby-VPI is a Ruby interface to IEEE 1364-2005 Verilog VPI
and a platform for unit testing, rapid prototyping, and
systems integration of Verilog modules through Ruby. It
lets you create complex Verilog test benches easily and
wholly in Ruby.

  • See http://ruby-vpi.rubyforge.org for details.

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Version 16.0.0 (2007-05-02)

This release adds support for the Cadence NC-Sim /
NC-Verilog simulator, improves the project website and
documentation, simplifies interaction with VPI, and comes
with a more permissive license.

Caution

  • The Integer.ensure_min and Integer.ensure_max methods
    have been removed from the ruby-vpi/integer.rb library
    because Ruby already has idioms for these operations:

    >> 5.ensure_min 10
    => 10
    >> [5, 10].max
    => 10

    >> 5.ensure_max 10
    => 5
    >> [5, 10].min
    => 5


  • Ruby-VPI is now developed under a more permissive
    license that better reflects my ethical beliefs than
    the previous license.

New features

  • The Cadence NC-Sim / NC-Verilog (ncsim) simulator is
    now supported.

  • VPI structures (whose names begin with “S_”) now allow
    initialization of their members through their
    constructor, in the style of Ruby on Rails. For
    example, the expression time = S_vpi_time.new :type =>
    VpiSuppressTime is equivalent to:

    time      = S_vpi_time.new
    time.type = VpiSuppressTime


  • Added the Vpi::Handle.cbValueChange method which
    simplifies the registration of a value-change callback
    for a particular VPI handle. For instance, the user
    manual’s example of setting up a value-change callback
    can now be written as follows:

    Counter.count.cbValueChange do |s_cb_data|
      puts "hello from callback! time=#{s_cb_data.time.to_i}
count=#{s_cb_data.obj.intVal}"
    end


Details

  • Revised the project website according to the Producing
    OSS guidelines.

  • Added instructions for checking out source code and
    generating documentation.

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