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