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Arduino/hardware/sam/system/libsam/include/crccu.h

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/* ----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support
* ----------------------------------------------------------------------------
* Copyright (c) 2009, 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
*
* Interface for Cyclic Redundancy Check Calculation Unit (CRCCU).
*/
#ifndef _CRCCU_
#define _CRCCU_
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#include "../chip.h"
#include <stdint.h>
/*----------------------------------------------------------------------------
* Types
*----------------------------------------------------------------------------*/
typedef struct
{
uint32_t TR_ADDR ;
uint32_t TR_CTRL ;
} CrcDscr ;
/*----------------------------------------------------------------------------
* Exported functions
*----------------------------------------------------------------------------*/
extern void CRCCU_ResetCrcValue( Crccu* pCrccu ) ;
extern void CRCCU_Configure( Crccu* pCrccu, uint32_t dwDscrAddr, uint32_t dwMode ) ;
extern uint32_t CRCCU_ComputeCrc( Crccu* pCrccu ) ;
#endif /* #ifndef _CRCCU_ */