67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/* ----------------------------------------------------------------------------
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* SAM Software Package License
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* ----------------------------------------------------------------------------
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* Copyright (c) 2011-2014, Atmel Corporation
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*
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* All rights reserved.
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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 condition is met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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#ifndef _STRINGZ_H_
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#define _STRINGZ_H_
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/**
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* \defgroup group_sam0_utils_stringz Preprocessor - Stringize
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*
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* \ingroup group_sam0_utils
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*
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* @{
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*/
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/** \brief Stringize.
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*
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* Stringize a preprocessing token, this token being allowed to be \#defined.
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*
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* May be used only within macros with the token passed as an argument if the
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* token is \#defined.
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*
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* For example, writing STRINGZ(PIN) within a macro \#defined by PIN_NAME(PIN)
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* and invoked as PIN_NAME(PIN0) with PIN0 \#defined as A0 is equivalent to
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* writing "A0".
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*/
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#define STRINGZ(x) #x
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/** \brief Absolute stringize.
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*
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* Stringize a preprocessing token, this token being allowed to be \#defined.
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*
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* No restriction of use if the token is \#defined.
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*
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* For example, writing ASTRINGZ(PIN0) anywhere with PIN0 \#defined as A0 is
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* equivalent to writing "A0".
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*/
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#define ASTRINGZ(x) STRINGZ(x)
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/** @} */
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#endif // _STRINGZ_H_
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