blob: 9713cc7744e2dff26e86e90c8023064b6ca747a8 [file] [log] [blame]
/* ----------------------------------------------------------------------------
* SAM Software Package License
* ----------------------------------------------------------------------------
* Copyright (c) 2011, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
* ----------------------------------------------------------------------------
*/
/** \file */
/*------------------------------------------------------------------------------
* Headers
*------------------------------------------------------------------------------*/
#include "board.h"
/*------------------------------------------------------------------------------
* Exported functions
*------------------------------------------------------------------------------*/
/**
* Returns the minimum value between two integers.
*
* \param a First integer to compare.
* \param b Second integer to compare.
*/
extern uint32_t min( uint32_t dwA, uint32_t dwB )
{
if ( dwA < dwB )
{
return dwA ;
}
else
{
return dwB ;
}
}
/*------------------------------------------------------------------------------
* Returns the absolute value of an integer.
*
* \param value Integer value.
*
* \note Do not call this function "abs", problem with gcc !
*/
extern uint32_t absv( int32_t lValue )
{
if ( lValue < 0 )
{
return -lValue ;
}
else
{
return lValue ;
}
}
/*------------------------------------------------------------------------------
* Computes and returns x power of y.
*
* \param x Value.
* \param y Power.
*/
extern uint32_t power( uint32_t dwX, uint32_t dwY )
{
uint32_t dwResult = 1 ;
while ( dwY > 0 )
{
dwResult *= dwX ;
dwY-- ;
}
return dwResult ;
}