AMiRo-OS

/**

  ******************************************************************************

  * @file    stm32f4xx_rng.h

  * @author  MCD Application Team

  * @version V1.1.0

  * @date    11-January-2013

  * @brief   This file contains all the functions prototypes for the Random 

  *          Number Generator(RNG) firmware library.

  ******************************************************************************

  * @attention

  *

  * <h2><center>&copy; 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****/