stm32f4xx_rng.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_RNG_H
#define __STM32F4xx_RNG_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"

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

#define RNG_FLAG_DRDY               ((uint8_t)0x0001) 
#define RNG_FLAG_CECS               ((uint8_t)0x0002) 
#define RNG_FLAG_SECS               ((uint8_t)0x0004) 
#define IS_RNG_GET_FLAG(RNG_FLAG) (((RNG_FLAG) == RNG_FLAG_DRDY) || \
                                   ((RNG_FLAG) == RNG_FLAG_CECS) || \
                                   ((RNG_FLAG) == RNG_FLAG_SECS))
#define IS_RNG_CLEAR_FLAG(RNG_FLAG) (((RNG_FLAG) == RNG_FLAG_CECS) || \
                                    ((RNG_FLAG) == RNG_FLAG_SECS))

#define RNG_IT_CEI                  ((uint8_t)0x20) 
#define RNG_IT_SEI                  ((uint8_t)0x40) 
#define IS_RNG_IT(IT) ((((IT) & (uint8_t)0x9F) == 0x00) && ((IT) != 0x00))
#define IS_RNG_GET_IT(RNG_IT) (((RNG_IT) == RNG_IT_CEI) || ((RNG_IT) == RNG_IT_SEI))

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

/*  Function used to set the RNG configuration to the default reset state *****/ 
void RNG_DeInit(void);

/* Configuration function *****************************************************/
void RNG_Cmd(FunctionalState NewState);

/* Get 32 bit Random number function ******************************************/
uint32_t RNG_GetRandomNumber(void);

/* Interrupts and flags management functions **********************************/
void RNG_ITConfig(FunctionalState NewState);
FlagStatus RNG_GetFlagStatus(uint8_t RNG_FLAG);
void RNG_ClearFlag(uint8_t RNG_FLAG);
ITStatus RNG_GetITStatus(uint8_t RNG_IT);
void RNG_ClearITPendingBit(uint8_t RNG_IT);

#ifdef __cplusplus
}
#endif

#endif /*__STM32F4xx_RNG_H */

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