forked from Archive/PX4-Autopilot
180 lines
7.1 KiB
Plaintext
180 lines
7.1 KiB
Plaintext
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COPYING -- Describes the terms under which Nuttx is distributed. A
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copy of the BSD-style licensing is included in this file. In my
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words -- I believe that you should free to use NuttX in any
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environment, private, private, commercial, open, closed, etc.
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provided only that you repect the modest copyright notices as
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described in license (below). Please feel free to contact me if you
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have any licensing concerns.
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NuttX
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^^^^^^
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License for NuttX in general (authorship of individual files may vary):
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/*************************************************************************
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*
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* Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*************************************************************************/
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FAT Long File Names
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^^^^^^^^^^^^^^^^^^^
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NOTE: If CONFIG_FAT_LFN is defined in your NuttX configuration file, then
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there may be some legal, patent issues. The following was extracted from
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the entry "File Allocation Table from Wikipedia, the free encyclopedia:
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"On December 3, 2003 Microsoft announced it would be offering licenses
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for use of its FAT specification and 'associated intellectual property',
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at the cost of a US$0.25 royalty per unit sold, with a $250,000 maximum
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royalty per license agreement.
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o "U.S. Patent 5,745,902 (http://www.google.com/patents?vid=5745902) -
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Method and system for accessing a file using file names having
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different file name formats. ...
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o "U.S. Patent 5,579,517 (http://www.google.com/patents?vid=5579517) -
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Common name space for long and short filenames. ...
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o "U.S. Patent 5,758,352 (http://www.google.com/patents?vid=5758352) -
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Common name space for long and short filenames. ...
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o "U.S. Patent 6,286,013 (http://www.google.com/patents?vid=6286013) -
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Method and system for providing a common name space for long and
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short file names in an operating system. ...
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"Many technical commentators have concluded that these patents only cover
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FAT implementations that include support for long filenames, and that
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removable solid state media and consumer devices only using short names
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would be unaffected. ..."
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So you have been forewarned: Use the long filename at your own risk!
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uIP
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^^^
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Many lower-level networking components of NuttX derive from uIP which
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has a similar BSD style license:
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Copyright (c) 2001-2003, Adam Dunkels.
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All rights reserved.
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IGMP
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^^^^
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IGMP support, if enabled in uIP, adds additional logic by Steve Reynolds:
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Copyright (c) 2002 CITEL Technologies Ltd.
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All rights reserved.
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The HID Parser in drivers/usbhost
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Adapted from the LUFA Library (MIT license):
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Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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dean [at] fourwalledcubicle [dot] com, www.lufa-lib.org
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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Certain functions in the NuttX C-library derive from other BSD-compatible
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sources:
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fs/nfs:
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^^^^^^^
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NFS:
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Copyright (c) 1989, 1991, 1993, 1995 The Regents of the University of
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California. All rights reserved.
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and RPC also has:
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Copyright (c) 2004 The Regents of the University of Michigan.
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Copyright (c) 2004 Weston Andros Adamson <muzzle@umich.edu>.
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Copyright (c) 2004 Marius Aamodt Eriksen <marius@umich.edu>.
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The University of Michigan uses a modified BSD license equivalent to
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the NuttX license. The University of California code uses the original
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BSD license and requires that I state the following:
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"This product includes software developed by the University of
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California, Berkeley and its contributors."
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strtod():
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^^^^^^^^
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Copyright (C) 2002 Michael Ringgaard. All rights reserved.
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Copyright (C) 2006-2007 H. Peter Anvin.
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dtoa():
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^^^^^^
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If you enable floating point conversions with CONFIG_LIBC_FLOATINGPOINT,
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then some files with an unmodified BSD license will be included. That
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license is similar to the above (modified) BSD license, but has an
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additional requirement that I state the following:
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"This product includes software developed by the University of
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California, Berkeley and its contributors."
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Documents/rss.gif
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^^^^^^^^^^^^^^^^^
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Licensed under Creative Commons Attribution-Share Alike 2.5 Generic
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license:
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You are free:
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* to share <20> to copy, distribute and transmit the work
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* to remix <20> to adapt the work
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Under the following conditions:
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* attribution <20> You must attribute the work in the manner specified
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by the author or licensor (but not in any way that suggests that
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they endorse you or your use of the work).
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* share alike <20> If you alter, transform, or build upon this work,
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you may distribute the resulting work only under the same or
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similar license to this one.
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