96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*
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* Copyright (c) 2020, Texas Instruments Incorporated
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ti/driverlib/dl_crc.h>
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#ifdef __MSPM0_HAS_CRC__
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uint32_t DL_CRC_calculateBlock32(
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CRC_Regs* crc, uint32_t seed, const uint32_t* ptr, uint32_t size)
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{
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uint32_t i;
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DL_CRC_setSeed32(crc, seed);
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for (i = 0; i < size; i++) {
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DL_CRC_feedData32(crc, ptr[i]);
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}
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return (DL_CRC_getResult32(crc));
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}
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uint32_t DL_CRC_calculateMemoryRange32(
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CRC_Regs* crc, uint32_t seed, uint32_t* ptrStart, const uint32_t* ptrEnd)
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{
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DL_CRC_setSeed32(crc, seed);
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uint32_t* ptr = ptrStart;
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while (ptr <= ptrEnd) {
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DL_CRC_feedData32(crc, (uint32_t) *ptr);
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ptr = ptr + 1;
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}
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return (DL_CRC_getResult32(crc));
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}
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uint16_t DL_CRC_calculateBlock16(
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CRC_Regs* crc, uint16_t seed, const uint16_t* ptr, uint16_t size)
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{
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uint32_t i;
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DL_CRC_setSeed16(crc, seed);
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for (i = 0; i < size; i++) {
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DL_CRC_feedData16(crc, ptr[i]);
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}
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return ((uint16_t) DL_CRC_getResult16(crc));
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}
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uint16_t DL_CRC_calculateMemoryRange16(
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CRC_Regs* crc, uint16_t seed, uint16_t* ptrStart, const uint16_t* ptrEnd)
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{
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DL_CRC_setSeed16(crc, seed);
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uint16_t* ptr = ptrStart;
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while (ptr <= ptrEnd) {
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DL_CRC_feedData16(crc, (uint16_t) *ptr);
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ptr = ptr + 1;
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}
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return ((uint16_t) DL_CRC_getResult16(crc));
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}
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#endif /* __MSPM0_HAS_CRC__ */
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