license.txt

$Id: license.txt 26 2012-01-22 18:27:08Z spacemanspiff $

Spaceman Spiff's Chording Keyboard Experiment (SpiffChorder) is based on 
the HIDkeys application of Objective Development Software GmbH, and their 
distributed V-USB (previously AVR-USB) firmware only driver. The 
directory usbdrv contains the driver and available license etc. in 
unmodified form. The driver is available from http://www.obdev.at/vusb/

The V-USB driver can be distributed under the terms of GNU GPL, either
version 2 or version 3. The SpiffChorder project is now licensed under 
the terms of the GNU GPL v3. This license is included below.

Objective development further STRONGLY ENCURAGES the following:

(1) Publish your entire project on a web site and drop us a note with the URL.
Use the form at http://www.obdev.at/vusb/feedback.html for your submission.

(2) Adhere to minimum publication standards. Please include AT LEAST:
    - a circuit diagram in PDF, PNG or GIF format
    - full source code for the host software
    - a Readme.txt file in ASCII format which describes the purpose of the
      project and what can be found in which directories and which files
    - a reference to http://www.obdev.at/vusb/

(3) If you improve the driver firmware itself, please give us a free license
to your modifications for our commercial license offerings.

Of course the SpiffChorder project obeys these humble requests, and we
also strongly encurage any derivative work to do so. Share and enjoy!


	
                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

                            Preamble

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    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

Also add information on how to contact you by electronic and paper mail.

  If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:

    <program>  Copyright (C) <year>  <name of author>
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.

The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License.  Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".

  You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.

  The GNU General Public License does not permit incorporating your program
into proprietary programs.  If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library.  If this is what you want to do, use the GNU Lesser General
Public License instead of this License.  But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.