54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
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/*
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******************************************************************************
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* @file driver_crc.c
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* @author FreqChip Firmware Team
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* @version V1.0.0
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* @date 2023
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* @brief CRC module driver.
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* This file provides firmware functions to manage the
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* CRC(Cyclic Redundancy Check) peripheral
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 FreqChip.
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* All rights reserved.
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******************************************************************************
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*/
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#include "fr30xx.h"
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/************************************************************************************
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* @fn crc_init
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*
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* @brief Initial crc according to the mode
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*
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* @param fe_crc_mode: crc mode.
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*/
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void crc_init(enum_CRC_MODE_SEL_t fe_crc_mode)
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{
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/* CRC control config */
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CRC->CRC_CTRL = fe_crc_mode | CRC_START;
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}
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/************************************************************************************
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* @fn crc_Calculate
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*
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* @brief Calculate CRC from the input data.
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*
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* @param fp_Data: Input calculated data.
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* @param fu32_size: The data size need to do crc.
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*/
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uint32_t crc_Calculate(uint8_t *fp_Data, uint32_t fu32_size)
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{
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if (fu32_size == 0)
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{
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return 0;
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}
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while(fu32_size--)
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{
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CRC->CRC_FIFO_DATA = *(fp_Data++);
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}
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return CRC->CRC_RESULT;
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}
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