ref: cbf74d6c41613815366711a6a5322033c7c0ccc1
dir: /demos/stm32f429_disco/stm/stm32f4_spl/inc/stm32f4xx_rng.h/
/**
******************************************************************************
* @file stm32f4xx_rng.h
* @author MCD Application Team
* @version V1.3.0
* @date 08-November-2013
* @brief This file contains all the functions prototypes for the Random
* Number Generator(RNG) firmware library.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_RNG_H
#define __STM32F4xx_RNG_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup STM32F4xx_StdPeriph_Driver
* @{
*/
/** @addtogroup RNG
* @{
*/
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup RNG_Exported_Constants
* @{
*/
/** @defgroup RNG_flags_definition
* @{
*/
#define RNG_FLAG_DRDY ((uint8_t)0x0001) /*!< Data ready */
#define RNG_FLAG_CECS ((uint8_t)0x0002) /*!< Clock error current status */
#define RNG_FLAG_SECS ((uint8_t)0x0004) /*!< Seed error current status */
#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))
/**
* @}
*/
/** @defgroup RNG_interrupts_definition
* @{
*/
#define RNG_IT_CEI ((uint8_t)0x20) /*!< Clock error interrupt */
#define RNG_IT_SEI ((uint8_t)0x40) /*!< Seed error interrupt */
#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****/