stm32f30x_crc.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F30x_CRC_H
#define __STM32F30x_CRC_H

#ifdef __cplusplus
 extern "C" {
#endif

#include "stm32f30x.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/

#define CRC_ReverseInputData_No             ((uint32_t)0x00000000) 
#define CRC_ReverseInputData_8bits          CRC_CR_REV_IN_0        
#define CRC_ReverseInputData_16bits         CRC_CR_REV_IN_1        
#define CRC_ReverseInputData_32bits         CRC_CR_REV_IN          
#define IS_CRC_REVERSE_INPUT_DATA(DATA) (((DATA) == CRC_ReverseInputData_No)     || \
                                         ((DATA) == CRC_ReverseInputData_8bits)  || \
                                         ((DATA) == CRC_ReverseInputData_16bits) || \
                                         ((DATA) == CRC_ReverseInputData_32bits))

#define CRC_PolSize_7                       CRC_CR_POLSIZE        
#define CRC_PolSize_8                       CRC_CR_POLSIZE_1      
#define CRC_PolSize_16                      CRC_CR_POLSIZE_0      
#define CRC_PolSize_32                      ((uint32_t)0x00000000)
#define IS_CRC_POL_SIZE(SIZE) (((SIZE) == CRC_PolSize_7)  || \
                               ((SIZE) == CRC_PolSize_8)  || \
                               ((SIZE) == CRC_PolSize_16) || \
                               ((SIZE) == CRC_PolSize_32))

/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/* Configuration of the CRC computation unit **********************************/
void CRC_DeInit(void);
void CRC_ResetDR(void);
void CRC_PolynomialSizeSelect(uint32_t CRC_PolSize); 
void CRC_ReverseInputDataSelect(uint32_t CRC_ReverseInputData);
void CRC_ReverseOutputDataCmd(FunctionalState NewState);
void CRC_SetInitRegister(uint32_t CRC_InitValue); 
void CRC_SetPolynomial(uint32_t CRC_Pol);

/* CRC computation ************************************************************/
uint32_t CRC_CalcCRC(uint32_t CRC_Data);
uint32_t CRC_CalcCRC16bits(uint16_t CRC_Data);
uint32_t CRC_CalcCRC8bits(uint8_t CRC_Data);
uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength);
uint32_t CRC_GetCRC(void);

/* Independent register (IDR) access (write/read) *****************************/
void CRC_SetIDRegister(uint8_t CRC_IDValue);
uint8_t CRC_GetIDRegister(void);

#ifdef __cplusplus
}
#endif

#endif /* __STM32F30x_CRC_H */

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