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COPYING
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COPYING
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COPYING -- Describes the terms under which Nuttx is distributed. A
copy of the BSD-style licensing is included in this file. In my
words -- I believe that you should free to use NuttX in any
environment, private, private, commercial, open, closed, etc.
provided only that you repect the modest copyright notices as
described in license (below). Please feel free to contact me if you
have any licensing concerns.
NuttX
^^^^^^
License for NuttX in general (authorship of individual files may vary):
/*************************************************************************
*
* Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <[email protected]>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*************************************************************************/
FAT Long File Names
^^^^^^^^^^^^^^^^^^^
NOTE: If CONFIG_FAT_LFN is defined in your NuttX configuration file, then
there may be some legal, patent issues. The following was extracted from
the entry "File Allocation Table from Wikipedia, the free encyclopedia:
"On December 3, 2003 Microsoft announced it would be offering licenses
for use of its FAT specification and 'associated intellectual property',
at the cost of a US$0.25 royalty per unit sold, with a $250,000 maximum
royalty per license agreement.
o "U.S. Patent 5,745,902 (http://www.google.com/patents?vid=5745902) -
Method and system for accessing a file using file names having
different file name formats. ...
o "U.S. Patent 5,579,517 (http://www.google.com/patents?vid=5579517) -
Common name space for long and short filenames. ...
o "U.S. Patent 5,758,352 (http://www.google.com/patents?vid=5758352) -
Common name space for long and short filenames. ...
o "U.S. Patent 6,286,013 (http://www.google.com/patents?vid=6286013) -
Method and system for providing a common name space for long and
short file names in an operating system. ...
"Many technical commentators have concluded that these patents only cover
FAT implementations that include support for long filenames, and that
removable solid state media and consumer devices only using short names
would be unaffected. ..."
This Wikipedia entry has been updated with recent legal decisions in favor
of Microsoft. Refer to:
http://en.wikipedia.org/wiki/File_Allocation_Table#Legal_issues
So you have been forewarned: Use the long filename at your own risk!
uIP
^^^
Many lower-level networking components of NuttX derive from uIP which
has a similar BSD style license:
Copyright (c) 2001-2003, Adam Dunkels.
All rights reserved.
IGMP
^^^^
IGMP support, if enabled in uIP, adds additional logic by Steve Reynolds:
Copyright (c) 2002 CITEL Technologies Ltd.
All rights reserved.
The HID Parser in drivers/usbhost
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Adapted from the LUFA Library (MIT license):
Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
dean [at] fourwalledcubicle [dot] com, www.lufa-lib.org
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
Certain functions in the NuttX C-library derive from other BSD-compatible
sources:
fs/nfs:
^^^^^^^
NFS:
Copyright (c) 1989, 1991, 1993, 1995 The Regents of the University of
California. All rights reserved.
and RPC also has:
Copyright (c) 2004 The Regents of the University of Michigan.
Copyright (c) 2004 Weston Andros Adamson <[email protected]>.
Copyright (c) 2004 Marius Aamodt Eriksen <[email protected]>.
The University of Michigan uses a modified BSD license equivalent to
the NuttX license. The University of California code uses the original
BSD license and requires that I state the following:
"This product includes software developed by the University of
California, Berkeley and its contributors."
strtod():
^^^^^^^^
Copyright (C) 2002 Michael Ringgaard. All rights reserved.
Copyright (C) 2006-2007 H. Peter Anvin.
dtoa():
^^^^^^
If you enable floating point conversions with CONFIG_LIBC_FLOATINGPOINT,
then some files with an unmodified BSD license will be included. That
license is similar to the above (modified) BSD license, but has an
additional requirement that I state the following:
"This product includes software developed by the University of
California, Berkeley and its contributors."
libc/string/lib_vikmemcpy.c
^^^^^^^^^^^^^^^^^^^^^^^^^^^
If you enable CONFIG_MEMCPY_VIK, then you will build with the optimized
version of memcpy from Daniel Vik. Licensing information for that version
of memcpy() follows:
Copyright (C) 1999-2010 Daniel Vik
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you
use this software in a product, an acknowledgment in the
use this software in a product, an acknowledgment in the
product documentation would be appreciated but is not
required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
libc/math
^^^^^^^^^
If you enable CONFIG_LIB, you will build the math library at libc/math.
This library was taken from the math library developed for the Rhombus
OS by Nick Johnson (https://github.com/nickbjohnson4224/rhombus). This
port was contributed by Darcy Gong. The Rhombus math library has this
compatible MIT license:
Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
Documents/rss.gif
^^^^^^^^^^^^^^^^^
Licensed under Creative Commons Attribution-Share Alike 2.5 Generic
license:
You are free:
* to share to copy, distribute and transmit the work
* to remix to adapt the work
Under the following conditions:
* attribution You must attribute the work in the manner specified
by the author or licensor (but not in any way that suggests that
they endorse you or your use of the work).
* share alike If you alter, transform, or build upon this work,
you may distribute the resulting work only under the same or
similar license to this one.