168 lines
6.3 KiB
C
168 lines
6.3 KiB
C
|
/**
|
||
|
|
*******************************************************************************************************
|
||
|
|
* @file fm33lg0xx_fl_crc.c
|
||
|
|
* @author FMSH Application Team
|
||
|
|
* @brief Src file of CRC FL Module
|
||
|
|
*******************************************************************************************************
|
||
|
|
* @attention
|
||
|
|
*
|
||
|
|
* Copyright (c) [2021] [Fudan Microelectronics]
|
||
|
|
* THIS SOFTWARE is licensed under Mulan PSL v2.
|
||
|
|
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||
|
|
* You may obtain a copy of Mulan PSL v2 at:
|
||
|
|
* http://license.coscl.org.cn/MulanPSL2
|
||
|
|
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||
|
|
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||
|
|
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||
|
|
* See the Mulan PSL v2 for more details.
|
||
|
|
*
|
||
|
|
*******************************************************************************************************
|
||
|
|
*/
|
||
|
|
/* Includes ------------------------------------------------------------------*/
|
||
|
|
#include "fm33lg0xx_fl.h"
|
||
|
|
|
||
|
|
/** @addtogroup FM33LG0XX_FL_Driver
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup CRC
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef FL_CRC_DRIVER_ENABLED
|
||
|
|
|
||
|
|
/* Private macros ------------------------------------------------------------*/
|
||
|
|
/** @addtogroup CRC_FL_Private_Macros
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define IS_FL_CRC_INSTANCE(INTANCE) ((INTANCE) == CRC)
|
||
|
|
|
||
|
|
#define IS_FL_CRC_POLYNOMIAL_WIDTH(__VALUE__) (((__VALUE__) == FL_CRC_POLYNOMIAL_16B)||\
|
||
|
|
((__VALUE__) == FL_CRC_POLYNOMIAL_32B)||\
|
||
|
|
((__VALUE__) == FL_CRC_POLYNOMIAL_8B)||\
|
||
|
|
((__VALUE__) == FL_CRC_POLYNOMIAL_7B))
|
||
|
|
|
||
|
|
#define IS_FL_CRC_DR_WIDTH(__VALUE__) (((__VALUE__) == FL_CRC_DATA_WIDTH_8B)||\
|
||
|
|
((__VALUE__) == FL_CRC_DATA_WIDTH_32B))
|
||
|
|
|
||
|
|
|
||
|
|
#define IS_FL_CRC_OUPUT_REFLECTE_MODE(__VALUE__) (((__VALUE__) == FL_CRC_OUPUT_INVERT_NONE)||\
|
||
|
|
((__VALUE__) == FL_CRC_OUPUT_INVERT_BYTE))
|
||
|
|
|
||
|
|
#define IS_FL_CRC_INPUT_REFLECTE_MODE(__VALUE__) (((__VALUE__) == FL_CRC_INPUT_INVERT_NONE)||\
|
||
|
|
((__VALUE__) == FL_CRC_INPUT_INVERT_BYTE)||\
|
||
|
|
((__VALUE__) == FL_CRC_INPUT_INVERT_HALF_WORD)||\
|
||
|
|
((__VALUE__) == FL_CRC_INPUT_INVERT_WORD))
|
||
|
|
|
||
|
|
#define IS_FL_CRC_CALCULA_MODE(__VALUE__) (((__VALUE__) == FL_CRC_CALCULATE_SERIAL)||\
|
||
|
|
((__VALUE__) == FL_CRC_CALCULATE_PARALLEL))
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Exported functions --------------------------------------------------------*/
|
||
|
|
/** @addtogroup CRC_FL_EF_Init
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 复位对应CRC寄存器.
|
||
|
|
*
|
||
|
|
* @param CRCx 外设入口地址
|
||
|
|
*
|
||
|
|
* @retval FL_ErrorStatus枚举值
|
||
|
|
* -FL_PASS 配置成功
|
||
|
|
* -FL_FAIL 配置过程发生错误
|
||
|
|
*/
|
||
|
|
FL_ErrorStatus FL_CRC_DeInit(CRC_Type *CRCx)
|
||
|
|
{
|
||
|
|
assert_param(IS_FL_CRC_INSTANCE(CRCx));
|
||
|
|
/* 外设复位使能 */
|
||
|
|
FL_RMU_EnablePeripheralReset(RMU);
|
||
|
|
/* 复位外设寄存器 */
|
||
|
|
FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_CRC);
|
||
|
|
FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_CRC);
|
||
|
|
/* 关闭总线时钟 */
|
||
|
|
FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_CRC);
|
||
|
|
/* 锁定外设复位功能 */
|
||
|
|
FL_RMU_DisablePeripheralReset(RMU);
|
||
|
|
return FL_PASS;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @brief 根据 CRC_InitStruct 的配置信息初始化对应外设入口地址的寄存器值.
|
||
|
|
*
|
||
|
|
* @param CRCx 外设入口地址
|
||
|
|
* @param CRC_InitStruct 指向一个 @ref FL_CRC_InitTypeDef 结构体其中包含了外设的相关配置信息.
|
||
|
|
*
|
||
|
|
* @retval FL_ErrorStatus枚举值
|
||
|
|
* -FL_FAIL 配置过程发生错误
|
||
|
|
* -FL_PASS 配置成功
|
||
|
|
*/
|
||
|
|
FL_ErrorStatus FL_CRC_Init(CRC_Type *CRCx, FL_CRC_InitTypeDef *CRC_InitStruct)
|
||
|
|
{
|
||
|
|
/* 参数检查 */
|
||
|
|
assert_param(IS_FL_CRC_INSTANCE(CRCx));
|
||
|
|
assert_param(IS_FL_CRC_DR_WIDTH(CRC_InitStruct->dataWidth));
|
||
|
|
assert_param(IS_FL_CRC_CALCULA_MODE(CRC_InitStruct->calculatMode));
|
||
|
|
assert_param(IS_FL_CRC_POLYNOMIAL_WIDTH(CRC_InitStruct->polynomialWidth));
|
||
|
|
assert_param(IS_FL_CRC_INPUT_REFLECTE_MODE(CRC_InitStruct->reflectIn));
|
||
|
|
assert_param(IS_FL_CRC_OUPUT_REFLECTE_MODE(CRC_InitStruct->reflectOut));
|
||
|
|
FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_CRC);
|
||
|
|
FL_CRC_SetCalculateMode(CRCx, CRC_InitStruct->calculatMode);
|
||
|
|
FL_CRC_SetInputInvertMode(CRCx, CRC_InitStruct->reflectIn);
|
||
|
|
FL_CRC_SetOutputInvertMode(CRCx, CRC_InitStruct->reflectOut);
|
||
|
|
FL_CRC_SetPolynomialWidth(CRCx, CRC_InitStruct->polynomialWidth);
|
||
|
|
FL_CRC_WriteXORValue(CRCx, CRC_InitStruct->xorReg);
|
||
|
|
FL_CRC_WritePolynominalParam(CRCx, CRC_InitStruct->polynomial);
|
||
|
|
FL_CRC_WriteInitialValue(CRCx, CRC_InitStruct->initVal);
|
||
|
|
FL_CRC_SetDataWidth(CRCx, CRC_InitStruct->dataWidth);
|
||
|
|
if(CRC_InitStruct->xorRegState == FL_ENABLE)
|
||
|
|
{
|
||
|
|
FL_CRC_EnableOutputXOR(CRCx);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
FL_CRC_DisableOutputXOR(CRCx);
|
||
|
|
}
|
||
|
|
return FL_PASS;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 设置 CRC_InitStruct 为默认配置
|
||
|
|
*
|
||
|
|
* @param CRC_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_CRC_InitTypeDef 结构体
|
||
|
|
*
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
|
||
|
|
void FL_CRC_StructInit(FL_CRC_InitTypeDef *CRC_InitStruct)
|
||
|
|
{
|
||
|
|
CRC_InitStruct->polynomial = 0x00000000;
|
||
|
|
CRC_InitStruct->polynomialWidth = FL_CRC_POLYNOMIAL_16B;
|
||
|
|
CRC_InitStruct->dataWidth = FL_CRC_DATA_WIDTH_8B;
|
||
|
|
CRC_InitStruct->calculatMode = FL_CRC_CALCULATE_SERIAL;
|
||
|
|
CRC_InitStruct->reflectIn = FL_CRC_INPUT_INVERT_NONE;
|
||
|
|
CRC_InitStruct->reflectOut = FL_CRC_OUPUT_INVERT_NONE;
|
||
|
|
CRC_InitStruct->xorReg = 0x00000000;
|
||
|
|
CRC_InitStruct->xorRegState = FL_DISABLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#endif /* FL_CRC_DRIVER_ENABLED */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*************************(C) COPYRIGHT Fudan Microelectronics **** END OF FILE*************************/
|