forked from Archive/PX4-Autopilot
91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/***************************************************************************
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* include/paslib.h
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* External Declarations associated with paslib
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*
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* Copyright (C) 2008-2009 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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#ifndef __PASLIB_H
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#define __PASLIB_H
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/***************************************************************************
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* Included Files
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***************************************************************************/
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#include "keywords.h"
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#include "stdint.h"
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#include "stdbool.h"
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#include "pdefs.h"
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#include "pofflib.h"
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/***************************************************************************
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* Global Function Prototypes
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***************************************************************************/
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/* POFF file is always big-endian */
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#ifdef CONFIG_ENDIAN_BIG
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# undef CONFIG_POFF_SWAPNEEDED
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# define poff16(val) (val)
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# define poff32(val) (val)
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#else
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# define CONFIG_POFF_SWAPNEEDED 1
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# define poff16(val) poffSwap16(val)
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# define poff32(val) poffSwap32(val)
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#endif
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/***************************************************************************
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* Global Function Prototypes
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***************************************************************************/
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/* File name extension helper */
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extern bool extension(const char *inName, const char *ext, char *outName,
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bool force_default);
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/* Math helpers */
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extern int32_t signExtend16(uint16_t arg16);
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extern int32_t signExtend25(uint32_t arg25);
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/* Endian-ness helpers */
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extern uint16_t poffSwap16(uint16_t val);
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extern uint32_t poffSwap32(uint32_t val);
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/***************************************************************************
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* Global Variables
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***************************************************************************/
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#endif /* __PASLIB_H */
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