SAM3S8/SD8 Software Package: libraries/libchip_sam3s/include/crccu.h Source File

SAM3S8/SD8 Software Package 1.2

# crccu.h

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    00001 /* ----------------------------------------------------------------------------
    00002  *         ATMEL Microcontroller Software Support
    00003  * ----------------------------------------------------------------------------
    00004  * Copyright (c) 2009, Atmel Corporation
    00005  *
    00006  * All rights reserved.
    00007  *
    00008  * Redistribution and use in source and binary forms, with or without
    00009  * modification, are permitted provided that the following conditions are met:
    00010  *
    00011  * - Redistributions of source code must retain the above copyright notice,
    00012  * this list of conditions and the disclaimer below.
    00013  *
    00014  * Atmel's name may not be used to endorse or promote products derived from
    00015  * this software without specific prior written permission.
    00016  *
    00017  * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
    00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
    00019  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
    00020  * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
    00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    00022  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
    00023  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    00024  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    00025  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
    00026  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00027  * ----------------------------------------------------------------------------
    00028  */
    00029
    00030 /**
    00031  * \file
    00032  *
    00033  * Interface for Cyclic Redundancy Check Calculation Unit (CRCCU).
    00034  */
    00035
    00036 #ifndef _CRCCU_
    00037 #define _CRCCU_
    00038
    00039 /*----------------------------------------------------------------------------
    00040  *        Headers
    00041  *----------------------------------------------------------------------------*/
    00042 #include "chip.h"
    00043
    00044 #include <stdint.h>
    00045
    00046 /*----------------------------------------------------------------------------
    00047  *        Types
    00048  *----------------------------------------------------------------------------*/
    00049
    00050 typedef struct
    00051 {
    00052     uint32_t TR_ADDR ;
    00053     uint32_t TR_CTRL ;
    00054     uint32_t reserved[6] ;
    00055     uint32_t TR_CRC ;
    00056 } CrcDscr ;
    00057
    00058 /*----------------------------------------------------------------------------
    00059  *        Exported functions
    00060  *----------------------------------------------------------------------------*/
    00061
    00062 extern void CRCCU_ResetCrcValue( Crccu* pCrccu ) ;
    00063 extern void CRCCU_Configure( Crccu* pCrccu, uint32_t dwDscrAddr, uint32_t dwMode ) ;
    00064 extern uint32_t CRCCU_ComputeCrc( Crccu* pCrccu ) ;
    00065
    00066 #endif /* #ifndef _CRCCU_ */
    00067

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