52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
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/******************************************************************************************************************************************
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* <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: SWM320_crc.c
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: SWM320<EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>CRCģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>֧<EFBFBD><EFBFBD>: http://www.synwit.com.cn/e/tool/gbook/?bid=1
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* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
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* <EFBFBD>汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD>: V1.1.0 2017<EFBFBD><EFBFBD>10<EFBFBD><EFBFBD>25<EFBFBD><EFBFBD>
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼:
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*
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*
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*******************************************************************************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH CODING INFORMATION
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* REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS A RESULT, SYNWIT SHALL NOT BE HELD LIABLE
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* FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
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* OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN IN CONN-
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* -ECTION WITH THEIR PRODUCTS.
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*
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* COPYRIGHT 2012 Synwit Technology
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*******************************************************************************************************************************************/
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#include "SWM320.h"
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#include "SWM320_crc.h"
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/******************************************************************************************************************************************
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: CRC_Init()
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* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: CRC <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: CRC_TypeDef * CRCx ָ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>CRC<EFBFBD>ӿڣ<EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>CRC
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* uint32_t mode <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Чֵ<EFBFBD>У<EFBFBD>CRC32_IN32<EFBFBD><EFBFBD>CRC32_IN16<EFBFBD><EFBFBD>CRC32_IN8<EFBFBD><EFBFBD>CRC16_IN16<EFBFBD><EFBFBD>CRC16_IN8
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* uint32_t out_not <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>ȡ<EFBFBD><EFBFBD>
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* uint32_t out_rev <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>ת
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* uint32_t ini_val CRC<EFBFBD><EFBFBD>ʼֵ
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* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
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* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
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******************************************************************************************************************************************/
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void CRC_Init(CRC_TypeDef * CRCx, uint32_t mode, uint32_t out_not, uint32_t out_rev, uint32_t ini_val)
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{
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switch((uint32_t)CRCx)
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{
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case ((uint32_t)CRC):
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SYS->CLKEN |= (0x01 << SYS_CLKEN_CRC_Pos);
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break;
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}
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CRCx->CR = (1 << CRC_CR_EN_Pos) |
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(mode << CRC_CR_CRC16_Pos) |
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(out_not << CRC_CR_ONOT_Pos) |
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(out_rev << CRC_CR_OREV_Pos);
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CRCx->INIVAL = ini_val;
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}
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