2017-01-04 03:38:53 +08:00
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.. _zephyr_licensing:
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Licensing of Zephyr Project components
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######################################
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The Zephyr kernel tree imports or reuses packages, scripts and other files that
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are not covered by the :download:`Apache License <../LICENSE>`. In some places
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there is no LICENSE file or way to put a LICENSE file there, so we describe the
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licensing in this document.
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- *kconfig* and *kbuild*
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*Origin:* Linux Kernel
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*Licensing:* *GPLv2*
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- *scripts/{checkpatch.pl,checkstack.pl,get_maintainers.pl,spelling.txt}*
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*Origin:* Linux Kernel
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*Licensing:* *GPLv2*
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- *ext/fs/fat/*
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*Origin:* FatFs is a file system based on the FAT file system specification. This is
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provided by ELM Chan http://elm-chan.org/fsw/ff/00index_e.html
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*Licensing*:
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Copyright (C) 2016, ChaN, all right reserved.
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FatFs module is an open source software. Redistribution and use of FatFs in
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source and binary forms, with or without modification, are permitted provided
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that the following condition is met:
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1. Redistributions of source code must retain the above copyright notice,
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this condition and the following disclaimer.
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This software is provided by the copyright holder and contributors "AS IS"
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and any warranties related to this software are DISCLAIMED.
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The copyright owner or contributors be NOT LIABLE for any damages caused
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by use of this software.
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- *ext/hal/cmsis/*
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*Origin:* https://github.com/ARM-software/CMSIS.git
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*Licensing*: :download:`CMSIS_END_USER_LICENCE_AGREEMENT <../ext/hal/cmsis/CMSIS_END_USER_LICENCE_AGREEMENT.pdf>`
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- *ext/hal/ksdk/*
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*Origin:* http://kex.nxp.com
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*Licensing*: 3-clause BSD (see :download:`source <../ext/hal/ksdk/drivers/fsl_rtc.h>`)
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- *ext/hal/nordic/*
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*Origin:*
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*Licensing*: 3-clause BSD (see :download:`source <../ext/hal/nordic/mdk/nrf51.h>`)
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- *ext/hal/qmsi/*
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*Origin:* https://github.com/quark-mcu/qmsi/releases
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*Licensing*: 3-clause BSD (see :download:`source <../ext/hal/qmsi/include/qm_common.h>`)
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