2018-12-24 17:17:27 +08:00
|
|
|
|
/******************************************************************************************************************************************
|
2021-09-30 17:55:16 +08:00
|
|
|
|
* 文件名称: SWM320_crc.c
|
|
|
|
|
|
* 功能说明: SWM320单片机的CRC模块驱动库
|
|
|
|
|
|
* 技术支持: http://www.synwit.com.cn/e/tool/gbook/?bid=1
|
|
|
|
|
|
* 注意事项:
|
|
|
|
|
|
* 版本日期: V1.1.0 2017年10月25日
|
|
|
|
|
|
* 升级记录:
|
2018-12-24 17:17:27 +08:00
|
|
|
|
*
|
|
|
|
|
|
*
|
|
|
|
|
|
*******************************************************************************************************************************************
|
|
|
|
|
|
* @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"
|
|
|
|
|
|
|
|
|
|
|
|
/******************************************************************************************************************************************
|
2021-09-30 17:55:16 +08:00
|
|
|
|
* 函数名称: CRC_Init()
|
|
|
|
|
|
* 功能说明: CRC 初始化
|
|
|
|
|
|
* 输 入: CRC_TypeDef * CRCx 指定要被设置的CRC接口，有效值包括CRC
|
|
|
|
|
|
* uint32_t mode 工作模式，有效值有：CRC32_IN32、CRC32_IN16、CRC32_IN8、CRC16_IN16、CRC16_IN8
|
|
|
|
|
|
* uint32_t out_not 输出结果是否取反
|
|
|
|
|
|
* uint32_t out_rev 输出结果是否翻转
|
|
|
|
|
|
* uint32_t ini_val CRC初始值
|
|
|
|
|
|
* 输 出: 无
|
|
|
|
|
|
* 注意事项: 无
|
2018-12-24 17:17:27 +08:00
|
|
|
|
******************************************************************************************************************************************/
|
|
|
|
|
|
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;
|
|
|
|
|
|
}
|
