ref: 6f14d3a3a15f85c47b1b146c5b82c21f015a4536
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****/