2 * Copyright (c) 2014, Texas Instruments Incorporated
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3 * All rights reserved.
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions
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9 * * Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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12 * * Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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16 * * Neither the name of Texas Instruments Incorporated nor the names of
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17 * its contributors may be used to endorse or promote products derived
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18 * from this software without specific prior written permission.
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20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 //*****************************************************************************
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34 // crc.c - Driver for the crc Module.
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36 //*****************************************************************************
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38 //*****************************************************************************
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40 //! \addtogroup crc_api crc
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43 //*****************************************************************************
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45 #include "inc/hw_regaccess.h"
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46 #include "inc/hw_memmap.h"
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48 #ifdef __MSP430_HAS_CRC__
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53 void CRC_setSeed(uint16_t baseAddress,
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56 HWREG16(baseAddress + OFS_CRCINIRES) = seed;
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59 void CRC_set16BitData(uint16_t baseAddress,
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62 HWREG16(baseAddress + OFS_CRCDI) = dataIn;
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65 void CRC_set8BitData(uint16_t baseAddress,
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68 HWREG8(baseAddress + OFS_CRCDI_L) = dataIn;
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71 void CRC_set16BitDataReversed(uint16_t baseAddress,
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74 HWREG16(baseAddress + OFS_CRCDIRB) = dataIn;
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77 void CRC_set8BitDataReversed(uint16_t baseAddress,
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80 HWREG8(baseAddress + OFS_CRCDIRB_L) = dataIn;
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83 uint16_t CRC_getData(uint16_t baseAddress)
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85 return (HWREG16(baseAddress + OFS_CRCDI));
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88 uint16_t CRC_getResult(uint16_t baseAddress)
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90 return (HWREG16(baseAddress + OFS_CRCINIRES));
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93 uint16_t CRC_getResultBitsReversed(uint16_t baseAddress)
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95 return (HWREG16(baseAddress + OFS_CRCRESR));
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99 //*****************************************************************************
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101 //! Close the doxygen group for crc_api
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104 //*****************************************************************************
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