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308
targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_hal_rng.h
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targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_hal_rng.h
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/**
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******************************************************************************
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* @file stm32l0xx_hal_rng.h
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* @author MCD Application Team
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* @brief Header file of RNG HAL module.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 __STM32L0xx_HAL_RNG_H
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#define __STM32L0xx_HAL_RNG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined (STM32L052xx) || defined (STM32L053xx) || defined (STM32L062xx) || defined (STM32L063xx) || \
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defined (STM32L072xx) || defined (STM32L073xx) || defined (STM32L082xx) || defined (STM32L083xx)
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/* Includes ------------------------------------------------------------------*/
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#include "stm32l0xx_hal_def.h"
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/** @addtogroup STM32L0xx_HAL_Driver
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* @{
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*/
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/** @defgroup RNG RNG
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* @brief RNG HAL module driver
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/** @defgroup RNG_Exported_Types RNG Exported Types
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* @{
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*/
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/** @defgroup RNG_Exported_Types_Group1 RNG State Structure definition
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* @{
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*/
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typedef enum
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{
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HAL_RNG_STATE_RESET = 0x00U, /*!< RNG not yet initialized or disabled */
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HAL_RNG_STATE_READY = 0x01U, /*!< RNG initialized and ready for use */
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HAL_RNG_STATE_BUSY = 0x02U, /*!< RNG internal process is ongoing */
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HAL_RNG_STATE_TIMEOUT = 0x03U, /*!< RNG timeout state */
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HAL_RNG_STATE_ERROR = 0x04U /*!< RNG error state */
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}HAL_RNG_StateTypeDef;
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/**
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* @}
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*/
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/** @defgroup RNG_Exported_Types_Group2 RNG Handle Structure definition
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* @{
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*/
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typedef struct
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{
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RNG_TypeDef *Instance; /*!< Register base address */
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HAL_LockTypeDef Lock; /*!< RNG locking object */
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__IO HAL_RNG_StateTypeDef State; /*!< RNG communication state */
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uint32_t RandomNumber; /*!< Last Generated RNG Data */
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}RNG_HandleTypeDef;
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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 constants --------------------------------------------------------*/
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/** @defgroup RNG_Exported_Constants RNG Exported Constants
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* @{
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*/
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/** @defgroup RNG_Exported_Constants_Group1 RNG Interrupt definition
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* @{
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*/
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#define RNG_IT_DRDY ((uint32_t)RNG_SR_DRDY) /*!< Data ready interrupt */
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#define RNG_IT_CEI ((uint32_t)RNG_SR_CEIS) /*!< Clock error interrupt */
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#define RNG_IT_SEI ((uint32_t)RNG_SR_SEIS) /*!< Seed error interrupt */
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/**
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* @}
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*/
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/** @defgroup RNG_Exported_Constants_Group2 RNG Flag definition
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* @{
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*/
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#define RNG_FLAG_DRDY ((uint32_t)RNG_SR_DRDY) /*!< Data ready */
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#define RNG_FLAG_CECS ((uint32_t)RNG_SR_CECS) /*!< Clock error current status */
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#define RNG_FLAG_SECS ((uint32_t)RNG_SR_SECS) /*!< Seed error current status */
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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 macros -----------------------------------------------------------*/
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/** @defgroup RNG_Exported_Macros RNG Exported Macros
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* @{
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*/
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/** @brief Reset RNG handle state
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* @param __HANDLE__: RNG Handle
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* @retval None
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*/
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#define __HAL_RNG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RNG_STATE_RESET)
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/**
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* @brief Enables the RNG peripheral.
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* @param __HANDLE__: RNG Handle
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* @retval None
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*/
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#define __HAL_RNG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= RNG_CR_RNGEN)
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/**
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* @brief Disables the RNG peripheral.
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* @param __HANDLE__: RNG Handle
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* @retval None
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*/
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#define __HAL_RNG_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_RNGEN)
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/**
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* @brief Check the selected RNG flag status.
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* @param __HANDLE__: RNG Handle
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* @param __FLAG__: RNG flag
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* This parameter can be one of the following values:
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* @arg RNG_FLAG_DRDY: Data ready
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* @arg RNG_FLAG_CECS: Clock error current status
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* @arg RNG_FLAG_SECS: Seed error current status
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* @retval The new state of __FLAG__ (SET or RESET).
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*/
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#define __HAL_RNG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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/**
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* @brief Clears the selected RNG flag status.
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* @param __HANDLE__: RNG handle
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* @param __FLAG__: RNG flag to clear
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* @note WARNING: This is a dummy macro for HAL code alignment,
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* flags RNG_FLAG_DRDY, RNG_FLAG_CECS and RNG_FLAG_SECS are read-only.
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* @retval None
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*/
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#define __HAL_RNG_CLEAR_FLAG(__HANDLE__, __FLAG__) /* dummy macro */
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/**
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* @brief Enables the RNG interrupts.
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* @param __HANDLE__: RNG Handle
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* @retval None
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*/
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#define __HAL_RNG_ENABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR |= RNG_CR_IE)
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/**
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* @brief Disables the RNG interrupts.
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* @param __HANDLE__: RNG Handle
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* @retval None
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*/
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#define __HAL_RNG_DISABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_IE)
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/**
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* @brief Checks whether the specified RNG interrupt has occurred or not.
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* @param __HANDLE__: RNG Handle
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* @param __INTERRUPT__: specifies the RNG interrupt status flag to check.
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* This parameter can be one of the following values:
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* @arg RNG_IT_DRDY: Data ready interrupt
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* @arg RNG_IT_CEI: Clock error interrupt
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* @arg RNG_IT_SEI: Seed error interrupt
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* @retval The new state of __INTERRUPT__ (SET or RESET).
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*/
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#define __HAL_RNG_GET_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR & (__INTERRUPT__)) == (__INTERRUPT__))
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/**
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* @brief Clears the RNG interrupt status flags.
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* @param __HANDLE__: RNG Handle
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* @param __INTERRUPT__: specifies the RNG interrupt status flag to clear.
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* This parameter can be one of the following values:
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* @arg RNG_IT_CEI: Clock error interrupt
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* @arg RNG_IT_SEI: Seed error interrupt
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* @note RNG_IT_DRDY flag is read-only, reading RNG_DR register automatically clears RNG_IT_DRDY.
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* @retval None
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*/
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#define __HAL_RNG_CLEAR_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR) = ~(__INTERRUPT__))
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/**
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* @}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @defgroup RNG_Exported_Functions RNG Exported Functions
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* @{
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*/
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/* Initialization and de-initialization functions ******************************/
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/** @defgroup RNG_Exported_Functions_Group1 Initialization and de-initialization functions
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* @{
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*/
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HAL_StatusTypeDef HAL_RNG_Init(RNG_HandleTypeDef *hrng);
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HAL_StatusTypeDef HAL_RNG_DeInit (RNG_HandleTypeDef *hrng);
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void HAL_RNG_MspInit(RNG_HandleTypeDef *hrng);
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void HAL_RNG_MspDeInit(RNG_HandleTypeDef *hrng);
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/**
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* @}
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*/
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/* Peripheral Control functions ************************************************/
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/** @defgroup RNG_Exported_Functions_Group2 Peripheral Control functions
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* @{
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*/
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uint32_t HAL_RNG_GetRandomNumber(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber() instead */
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uint32_t HAL_RNG_GetRandomNumber_IT(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber_IT() instead */
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HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber(RNG_HandleTypeDef *hrng, uint32_t *random32bit);
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HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber_IT(RNG_HandleTypeDef *hrng);
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uint32_t HAL_RNG_ReadLastRandomNumber(RNG_HandleTypeDef *hrng);
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void HAL_RNG_IRQHandler(RNG_HandleTypeDef *hrng);
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void HAL_RNG_ErrorCallback(RNG_HandleTypeDef *hrng);
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void HAL_RNG_ReadyDataCallback(RNG_HandleTypeDef* hrng, uint32_t random32bit);
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/**
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* @}
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*/
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/* Peripheral State functions **************************************************/
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/** @defgroup RNG_Exported_Functions_Group3 Peripheral State functions
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* @{
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*/
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HAL_RNG_StateTypeDef HAL_RNG_GetState(RNG_HandleTypeDef *hrng);
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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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/* Define the private group ***********************************/
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/**************************************************************/
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/** @defgroup RNG_Private RNG Private
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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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/**
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* @}
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*/
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/**
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* @}
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*/
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#endif /* if defined (STM32L052xx) || defined (STM32L053xx) || defined (STM32L062xx) || defined (STM32L063xx) || \
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defined (STM32L072xx) || defined (STM32L073xx) || defined (STM32L082xx) || defined (STM32L083xx) */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __STM32L0xx_HAL_RNG_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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