rt-thread-official/bsp/hk32/libraries/HK32F0xx_StdPeriph_Driver/inc/hk32f0xx_crc.h

92 lines
3.3 KiB
C

/**
******************************************************************************
* @file hk32f0xx_crc.h
* @version V1.0.1
* @date 2019-08-15
*****************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __HK32F0XX_CRC_H
#define __HK32F0XX_CRC_H
#ifdef __cplusplus
extern "C" {
#endif
/*!< Includes ----------------------------------------------------------------*/
#include "hk32f0xx.h"
/** @addtogroup HK32F0xx_StdPeriph_Driver
* @{
*/
/** @addtogroup CRC
* @{
*/
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup CRC_ReverseInputData
* @{
*/
#define CRC_ReverseInputData_No ((uint32_t)0x00000000) /*!< No reverse operation of Input Data */
#define CRC_ReverseInputData_8bits CRC_CR_REV_IN_0 /*!< Reverse operation of Input Data on 8 bits */
#define CRC_ReverseInputData_16bits CRC_CR_REV_IN_1 /*!< Reverse operation of Input Data on 16 bits */
#define CRC_ReverseInputData_32bits CRC_CR_REV_IN /*!< Reverse operation of Input Data on 32 bits */
#define IS_CRC_REVERSE_INPUT_DATA(DATA) (((DATA) == CRC_ReverseInputData_No) || \
((DATA) == CRC_ReverseInputData_8bits) || \
((DATA) == CRC_ReverseInputData_16bits) || \
((DATA) == CRC_ReverseInputData_32bits))
/**
* @}
*/
/** @defgroup CRC_PolynomialSize
* @brief Only applicable for HK32F042 and HK32F072 devices
* @{
*/
#define CRC_PolSize_7 CRC_CR_POLSIZE /*!< 7-bit polynomial for CRC calculation */
#define CRC_PolSize_8 CRC_CR_POLSIZE_1 /*!< 8-bit polynomial for CRC calculation */
#define CRC_PolSize_16 CRC_CR_POLSIZE_0 /*!< 16-bit polynomial for CRC calculation */
#define CRC_PolSize_32 ((uint32_t)0x00000000)/*!< 32-bit polynomial for CRC calculation */
#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_ReverseInputDataSelect(uint32_t CRC_ReverseInputData);
void CRC_ReverseOutputDataCmd(FunctionalState NewState);
void CRC_SetInitRegister(uint32_t CRC_InitValue);
/* CRC computation ************************************************************/
uint32_t CRC_CalcCRC(uint32_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 /* __HK32F0XX_CRC_H */