/* ---------------------------------------------------------------------------- | |
* ATMEL Microcontroller Software Support | |
* ---------------------------------------------------------------------------- | |
* Copyright (c) 2008, 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. | |
* ---------------------------------------------------------------------------- | |
*/ | |
/*------------------------------------------------------------------------------ | |
* 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 ; | |
} | |