stm32l4xx_hal_crc_ex.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32L4xx_HAL_CRC_EX_H
#define STM32L4xx_HAL_CRC_EX_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal_def.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
#define CRC_INPUTDATA_INVERSION_NONE               0x00000000U     
#define CRC_INPUTDATA_INVERSION_BYTE               CRC_CR_REV_IN_0 
#define CRC_INPUTDATA_INVERSION_HALFWORD           CRC_CR_REV_IN_1 
#define CRC_INPUTDATA_INVERSION_WORD               CRC_CR_REV_IN   
#define CRC_OUTPUTDATA_INVERSION_DISABLE         0x00000000U       
#define CRC_OUTPUTDATA_INVERSION_ENABLE          CRC_CR_REV_OUT    
/* Exported macro ------------------------------------------------------------*/

#define  __HAL_CRC_OUTPUTREVERSAL_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_REV_OUT)

#define __HAL_CRC_OUTPUTREVERSAL_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~(CRC_CR_REV_OUT))

#define __HAL_CRC_POLYNOMIAL_CONFIG(__HANDLE__, __POLYNOMIAL__) ((__HANDLE__)->Instance->POL = (__POLYNOMIAL__))

/* Private macros --------------------------------------------------------*/
#define IS_CRC_INPUTDATA_INVERSION_MODE(MODE)     (((MODE) == CRC_INPUTDATA_INVERSION_NONE)     || \
                                                   ((MODE) == CRC_INPUTDATA_INVERSION_BYTE)     || \
                                                   ((MODE) == CRC_INPUTDATA_INVERSION_HALFWORD) || \
                                                   ((MODE) == CRC_INPUTDATA_INVERSION_WORD))

#define IS_CRC_OUTPUTDATA_INVERSION_MODE(MODE)    (((MODE) == CRC_OUTPUTDATA_INVERSION_DISABLE) || \
                                                   ((MODE) == CRC_OUTPUTDATA_INVERSION_ENABLE))

/* Exported functions --------------------------------------------------------*/

/* Initialization and de-initialization functions  ****************************/
HAL_StatusTypeDef HAL_CRCEx_Polynomial_Set(CRC_HandleTypeDef *hcrc, uint32_t Pol, uint32_t PolyLength);
HAL_StatusTypeDef HAL_CRCEx_Input_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t InputReverseMode);
HAL_StatusTypeDef HAL_CRCEx_Output_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t OutputReverseMode);

#ifdef __cplusplus
}
#endif

#endif /* STM32L4xx_HAL_CRC_EX_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/