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/**
******************************************************************************
* @file stm32f4xx_hal_crc.h
* @author MCD Application Team
* @brief Header file of CRC HAL module.
******************************************************************************
* @attention
*
* Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32F4xx_HAL_CRC_H
#define STM32F4xx_HAL_CRC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal_def.h"
/** @addtogroup STM32F4xx_HAL_Driver
* @{
*/
/** @addtogroup CRC
* @{
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup CRC_Exported_Types CRC Exported Types
* @{
*/
/**
* @brief CRC HAL State Structure definition
*/
typedef enum
{
HAL_CRC_STATE_RESET = 0x00U, /*!< CRC not yet initialized or disabled */
HAL_CRC_STATE_READY = 0x01U, /*!< CRC initialized and ready for use */
HAL_CRC_STATE_BUSY = 0x02U, /*!< CRC internal process is ongoing */
HAL_CRC_STATE_TIMEOUT = 0x03U, /*!< CRC timeout state */
HAL_CRC_STATE_ERROR = 0x04U /*!< CRC error state */
} HAL_CRC_StateTypeDef;
/**
* @brief CRC Handle Structure definition
*/
typedef struct
{
CRC_TypeDef *Instance; /*!< Register base address */
HAL_LockTypeDef Lock; /*!< CRC Locking object */
__IO HAL_CRC_StateTypeDef State; /*!< CRC communication state */
} CRC_HandleTypeDef;
/**
* @}
*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup CRC_Exported_Constants CRC Exported Constants
* @{
*/
/**
* @}
*/
/* Exported macros -----------------------------------------------------------*/
/** @defgroup CRC_Exported_Macros CRC Exported Macros
* @{
*/
/** @brief Reset CRC handle state.
* @param __HANDLE__ CRC handle.
* @retval None
*/
#define __HAL_CRC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CRC_STATE_RESET)
/**
* @brief Reset CRC Data Register.
* @param __HANDLE__ CRC handle
* @retval None
*/
#define __HAL_CRC_DR_RESET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_RESET)
/**
* @brief Store data in the Independent Data (ID) register.
* @param __HANDLE__ CRC handle
* @param __VALUE__ Value to be stored in the ID register
* @note Refer to the Reference Manual to get the authorized __VALUE__ length in bits
* @retval None
*/
#define __HAL_CRC_SET_IDR(__HANDLE__, __VALUE__) (WRITE_REG((__HANDLE__)->Instance->IDR, (__VALUE__)))
/**
* @brief Return the data stored in the Independent Data (ID) register.
* @param __HANDLE__ CRC handle
* @note Refer to the Reference Manual to get the authorized __VALUE__ length in bits
* @retval Value of the ID register
*/
#define __HAL_CRC_GET_IDR(__HANDLE__) (((__HANDLE__)->Instance->IDR) & CRC_IDR_IDR)
/**
* @}
*/
/* Private macros --------------------------------------------------------*/
/** @defgroup CRC_Private_Macros CRC Private Macros
* @{
*/
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup CRC_Exported_Functions CRC Exported Functions
* @{
*/
/* Initialization and de-initialization functions ****************************/
/** @defgroup CRC_Exported_Functions_Group1 Initialization and de-initialization functions
* @{
*/
HAL_StatusTypeDef HAL_CRC_Init(CRC_HandleTypeDef *hcrc);
HAL_StatusTypeDef HAL_CRC_DeInit(CRC_HandleTypeDef *hcrc);
void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc);
void HAL_CRC_MspDeInit(CRC_HandleTypeDef *hcrc);
/**
* @}
*/
/* Peripheral Control functions ***********************************************/
/** @defgroup CRC_Exported_Functions_Group2 Peripheral Control functions
* @{
*/
uint32_t HAL_CRC_Accumulate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
/**
* @}
*/
/* Peripheral State and Error functions ***************************************/
/** @defgroup CRC_Exported_Functions_Group3 Peripheral State functions
* @{
*/
HAL_CRC_StateTypeDef HAL_CRC_GetState(CRC_HandleTypeDef *hcrc);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* STM32F4xx_HAL_CRC_H */