stm32f7xx_hal_rng.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F7xx_HAL_RNG_H
#define __STM32F7xx_HAL_RNG_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f7xx_hal_def.h"

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

typedef enum
{
  HAL_RNG_STATE_RESET     = 0x00U,  
  HAL_RNG_STATE_READY     = 0x01U,  
  HAL_RNG_STATE_BUSY      = 0x02U,  
  HAL_RNG_STATE_TIMEOUT   = 0x03U,  
  HAL_RNG_STATE_ERROR     = 0x04U   
}HAL_RNG_StateTypeDef;

typedef struct
{
  RNG_TypeDef                 *Instance;    
  uint32_t                    RandomNumber; 
  HAL_LockTypeDef             Lock;         
  __IO HAL_RNG_StateTypeDef   State;        
}RNG_HandleTypeDef;

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

#define RNG_IT_DRDY  RNG_SR_DRDY  
#define RNG_IT_CEI   RNG_SR_CEIS  
#define RNG_IT_SEI   RNG_SR_SEIS  
#define RNG_FLAG_DRDY   RNG_SR_DRDY  
#define RNG_FLAG_CECS   RNG_SR_CECS  
#define RNG_FLAG_SECS   RNG_SR_SECS  
/* Exported macros -----------------------------------------------------------*/

#define __HAL_RNG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RNG_STATE_RESET)

#define __HAL_RNG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |=  RNG_CR_RNGEN)

#define __HAL_RNG_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_RNGEN)

#define __HAL_RNG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))

#define __HAL_RNG_CLEAR_FLAG(__HANDLE__, __FLAG__)                      /* dummy  macro */



#define __HAL_RNG_ENABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR |=  RNG_CR_IE)
    
#define __HAL_RNG_DISABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_IE)

#define __HAL_RNG_GET_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR & (__INTERRUPT__)) == (__INTERRUPT__))   

#define __HAL_RNG_CLEAR_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR) = ~(__INTERRUPT__))

/* Exported functions --------------------------------------------------------*/
HAL_StatusTypeDef HAL_RNG_Init(RNG_HandleTypeDef *hrng);
HAL_StatusTypeDef HAL_RNG_DeInit (RNG_HandleTypeDef *hrng);
void HAL_RNG_MspInit(RNG_HandleTypeDef *hrng);
void HAL_RNG_MspDeInit(RNG_HandleTypeDef *hrng);

uint32_t HAL_RNG_GetRandomNumber(RNG_HandleTypeDef *hrng);    /* Obsolete, use HAL_RNG_GenerateRandomNumber() instead    */
uint32_t HAL_RNG_GetRandomNumber_IT(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber_IT() instead */

HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber(RNG_HandleTypeDef *hrng, uint32_t *random32bit);
HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber_IT(RNG_HandleTypeDef *hrng);
uint32_t HAL_RNG_ReadLastRandomNumber(RNG_HandleTypeDef *hrng);

void HAL_RNG_IRQHandler(RNG_HandleTypeDef *hrng);
void HAL_RNG_ErrorCallback(RNG_HandleTypeDef *hrng);
void HAL_RNG_ReadyDataCallback(RNG_HandleTypeDef* hrng, uint32_t random32bit);

HAL_RNG_StateTypeDef HAL_RNG_GetState(RNG_HandleTypeDef *hrng);

/* Private types -------------------------------------------------------------*/
/* Private defines -----------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
#define IS_RNG_IT(IT) (((IT) == RNG_IT_CEI) || \
                       ((IT) == RNG_IT_SEI))

#define IS_RNG_FLAG(FLAG) (((FLAG) == RNG_FLAG_DRDY) || \
                           ((FLAG) == RNG_FLAG_CECS) || \
                           ((FLAG) == RNG_FLAG_SECS))

/* Private functions prototypes ----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
#ifdef __cplusplus
}
#endif

#endif /* __STM32F7xx_HAL_RNG_H */

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