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/**
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******************************************************************************
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* @file stm32f4xx_rng.h
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* @author MCD Application Team
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* @version V1.0.2
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* @date 05-March-2012
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* @brief This file contains all the functions prototypes for the Random
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* Number Generator(RNG) firmware library.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F4xx_RNG_H
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#define __STM32F4xx_RNG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx.h"
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/** @addtogroup STM32F4xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup RNG
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup RNG_Exported_Constants
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* @{
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*/
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/** @defgroup RNG_flags_definition
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* @{
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*/
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#define RNG_FLAG_DRDY ((uint8_t)0x0001) /*!< Data ready */
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#define RNG_FLAG_CECS ((uint8_t)0x0002) /*!< Clock error current status */
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#define RNG_FLAG_SECS ((uint8_t)0x0004) /*!< Seed error current status */
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#define IS_RNG_GET_FLAG(RNG_FLAG) (((RNG_FLAG) == RNG_FLAG_DRDY) || \
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((RNG_FLAG) == RNG_FLAG_CECS) || \
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((RNG_FLAG) == RNG_FLAG_SECS))
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#define IS_RNG_CLEAR_FLAG(RNG_FLAG) (((RNG_FLAG) == RNG_FLAG_CECS) || \
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((RNG_FLAG) == RNG_FLAG_SECS))
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/**
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* @}
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*/
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/** @defgroup RNG_interrupts_definition
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* @{
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*/
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#define RNG_IT_CEI ((uint8_t)0x20) /*!< Clock error interrupt */
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#define RNG_IT_SEI ((uint8_t)0x40) /*!< Seed error interrupt */
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#define IS_RNG_IT(IT) ((((IT) & (uint8_t)0x9F) == 0x00) && ((IT) != 0x00))
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#define IS_RNG_GET_IT(RNG_IT) (((RNG_IT) == RNG_IT_CEI) || ((RNG_IT) == RNG_IT_SEI))
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/* Function used to set the RNG configuration to the default reset state *****/
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void RNG_DeInit(void);
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/* Configuration function *****************************************************/
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void RNG_Cmd(FunctionalState NewState);
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/* Get 32 bit Random number function ******************************************/
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uint32_t RNG_GetRandomNumber(void);
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/* Interrupts and flags management functions **********************************/
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void RNG_ITConfig(FunctionalState NewState);
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FlagStatus RNG_GetFlagStatus(uint8_t RNG_FLAG);
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void RNG_ClearFlag(uint8_t RNG_FLAG);
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ITStatus RNG_GetITStatus(uint8_t RNG_IT);
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void RNG_ClearITPendingBit(uint8_t RNG_IT);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__STM32F4xx_RNG_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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