From: Suraj Kurapati <snk@...>
Date: 2007-01-14T09:58:38+09:00
Subject: [ANN] Ruby-VPI 15.0.0

Ruby-VPI is a Ruby interface to IEEE 1364-2005 Verilog VPI.
It lets you create complex Verilog test benches easily and
wholly in Ruby.

  • http://ruby-vpi.rubyforge.org

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Version 15.0.0 (2007-01-13)

Summary

This release fixes a problem with compilation of the C
extension, and makes clock generation code correctly affect
Ruby prototypes.

Acknowledgment

Thanks to Derek Graham for reporting the problem with
compilation of the C extension.

Notice

  • The Vpi::advance_time method (instead of the
    Vpi::simulate method) now invokes the design’s
    simulate! method when prototyping is enabled.

    This makes clock generation code (passed to the
    RubyVpi::init_bench method) affect Ruby prototypes,
    just as it affects a real Verilog design.

    As a result, Ruby prototypes may need to check for
    edge-triggering through the new Vpi::Handle.posedge?
    and Vpi::Handle.negedge? methods. For example, see the
    new implementation of the Counter prototype.

New features

  • Added Vpi::Handle.posedge? and Vpi::Handle.negedge?
    methods which check if a handle’s logic value is
    currently at a positive or negative edge, respectively.

  • Added Vpi::S_vpi_time.integer and
    Vpi::S_vpi_time.integer= methods which access the high
    and low integer fields as a single 64-bit integer.

  • Added utility methods for accessing the value field in
    the Vpi::S_vpi_value structure.

Details

  • Fixed problem with incorrect Ruby library flag in ext/
    extconf.rb. It happens that the mkmf library determines
    the correct library flag all by itself!

  • Added new prototyping section to user manual.

  • Fixed some broken URLs in user documentation.

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