[303] | 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file stm32f4xx_hal_rng.h
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| 4 | * @author MCD Application Team
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| 5 | * @version V1.4.1
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| 6 | * @date 09-October-2015
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| 7 | * @brief Header file of RNG HAL module.
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| 8 | ******************************************************************************
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| 9 | * @attention
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| 10 | *
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| 11 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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| 12 | *
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| 13 | * Redistribution and use in source and binary forms, with or without modification,
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| 14 | * are permitted provided that the following conditions are met:
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| 15 | * 1. Redistributions of source code must retain the above copyright notice,
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| 16 | * this list of conditions and the following disclaimer.
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| 17 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 18 | * this list of conditions and the following disclaimer in the documentation
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| 19 | * and/or other materials provided with the distribution.
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| 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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| 21 | * may be used to endorse or promote products derived from this software
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| 22 | * without specific prior written permission.
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| 23 | *
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| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 34 | *
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| 35 | ******************************************************************************
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| 36 | */
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| 37 |
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| 38 | /* Define to prevent recursive inclusion -------------------------------------*/
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| 39 | #ifndef __STM32F4xx_HAL_RNG_H
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| 40 | #define __STM32F4xx_HAL_RNG_H
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| 41 |
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| 42 | #ifdef __cplusplus
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| 43 | extern "C" {
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| 44 | #endif
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| 45 |
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| 46 | #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\
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| 47 | defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) ||\
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| 48 | defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F469xx) ||\
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| 49 | defined(STM32F479xx)
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| 50 |
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| 51 | /* Includes ------------------------------------------------------------------*/
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| 52 | #include "stm32f4xx_hal_def.h"
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| 53 |
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| 54 | /** @addtogroup STM32F4xx_HAL_Driver
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| 55 | * @{
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| 56 | */
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| 57 |
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| 58 | /** @defgroup RNG RNG
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| 59 | * @brief RNG HAL module driver
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| 60 | * @{
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| 61 | */
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| 62 |
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| 63 | /* Exported types ------------------------------------------------------------*/
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| 64 |
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| 65 | /** @defgroup RNG_Exported_Types RNG Exported Types
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| 66 | * @{
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| 67 | */
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| 68 |
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| 69 | /** @defgroup RNG_Exported_Types_Group1 RNG State Structure definition
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| 70 | * @{
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| 71 | */
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| 72 | typedef enum
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| 73 | {
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| 74 | HAL_RNG_STATE_RESET = 0x00, /*!< RNG not yet initialized or disabled */
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| 75 | HAL_RNG_STATE_READY = 0x01, /*!< RNG initialized and ready for use */
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| 76 | HAL_RNG_STATE_BUSY = 0x02, /*!< RNG internal process is ongoing */
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| 77 | HAL_RNG_STATE_TIMEOUT = 0x03, /*!< RNG timeout state */
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| 78 | HAL_RNG_STATE_ERROR = 0x04 /*!< RNG error state */
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| 79 |
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| 80 | }HAL_RNG_StateTypeDef;
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| 81 |
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| 82 | /**
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| 83 | * @}
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| 84 | */
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| 85 |
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| 86 | /** @defgroup RNG_Exported_Types_Group2 RNG Handle Structure definition
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| 87 | * @{
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| 88 | */
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| 89 | typedef struct
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| 90 | {
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| 91 | RNG_TypeDef *Instance; /*!< Register base address */
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| 92 |
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| 93 | HAL_LockTypeDef Lock; /*!< RNG locking object */
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| 94 |
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| 95 | __IO HAL_RNG_StateTypeDef State; /*!< RNG communication state */
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| 96 |
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| 97 | uint32_t RandomNumber; /*!< Last Generated RNG Data */
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| 98 |
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| 99 | }RNG_HandleTypeDef;
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| 100 |
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| 101 | /**
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| 102 | * @}
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| 103 | */
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| 104 |
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| 105 | /**
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| 106 | * @}
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| 107 | */
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| 108 |
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| 109 | /* Exported constants --------------------------------------------------------*/
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| 110 |
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| 111 | /** @defgroup RNG_Exported_Constants RNG Exported Constants
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| 112 | * @{
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| 113 | */
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| 114 |
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| 115 | /** @defgroup RNG_Exported_Constants_Group1 RNG Interrupt definition
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| 116 | * @{
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| 117 | */
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| 118 | #define RNG_IT_DRDY RNG_SR_DRDY /*!< Data Ready interrupt */
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| 119 | #define RNG_IT_CEI RNG_SR_CEIS /*!< Clock error interrupt */
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| 120 | #define RNG_IT_SEI RNG_SR_SEIS /*!< Seed error interrupt */
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| 121 | /**
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| 122 | * @}
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| 123 | */
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| 124 |
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| 125 | /** @defgroup RNG_Exported_Constants_Group2 RNG Flag definition
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| 126 | * @{
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| 127 | */
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| 128 | #define RNG_FLAG_DRDY RNG_SR_DRDY /*!< Data ready */
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| 129 | #define RNG_FLAG_CECS RNG_SR_CECS /*!< Clock error current status */
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| 130 | #define RNG_FLAG_SECS RNG_SR_SECS /*!< Seed error current status */
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| 131 |
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| 132 | /**
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| 133 | * @}
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| 134 | */
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| 135 |
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| 136 | /**
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| 137 | * @}
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| 138 | */
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| 139 |
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| 140 | /* Exported macros -----------------------------------------------------------*/
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| 141 |
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| 142 | /** @defgroup RNG_Exported_Macros RNG Exported Macros
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| 143 | * @{
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| 144 | */
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| 145 |
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| 146 | /** @brief Reset RNG handle state
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| 147 | * @param __HANDLE__: RNG Handle
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| 148 | * @retval None
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| 149 | */
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| 150 | #define __HAL_RNG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_RNG_STATE_RESET)
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| 151 |
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| 152 | /**
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| 153 | * @brief Enables the RNG peripheral.
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| 154 | * @param __HANDLE__: RNG Handle
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| 155 | * @retval None
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| 156 | */
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| 157 | #define __HAL_RNG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= RNG_CR_RNGEN)
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| 158 |
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| 159 | /**
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| 160 | * @brief Disables the RNG peripheral.
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| 161 | * @param __HANDLE__: RNG Handle
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| 162 | * @retval None
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| 163 | */
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| 164 | #define __HAL_RNG_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_RNGEN)
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| 165 |
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| 166 | /**
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| 167 | * @brief Check the selected RNG flag status.
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| 168 | * @param __HANDLE__: RNG Handle
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| 169 | * @param __FLAG__: RNG flag
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| 170 | * This parameter can be one of the following values:
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| 171 | * @arg RNG_FLAG_DRDY: Data ready
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| 172 | * @arg RNG_FLAG_CECS: Clock error current status
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| 173 | * @arg RNG_FLAG_SECS: Seed error current status
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| 174 | * @retval The new state of __FLAG__ (SET or RESET).
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| 175 | */
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| 176 | #define __HAL_RNG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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| 177 |
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| 178 | /**
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| 179 | * @brief Clears the selected RNG flag status.
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| 180 | * @param __HANDLE__: RNG handle
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| 181 | * @param __FLAG__: RNG flag to clear
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| 182 | * @note WARNING: This is a dummy macro for HAL code alignment,
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| 183 | * flags RNG_FLAG_DRDY, RNG_FLAG_CECS and RNG_FLAG_SECS are read-only.
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| 184 | * @retval None
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| 185 | */
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| 186 | #define __HAL_RNG_CLEAR_FLAG(__HANDLE__, __FLAG__) /* dummy macro */
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| 187 |
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| 188 |
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| 189 |
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| 190 | /**
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| 191 | * @brief Enables the RNG interrupts.
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| 192 | * @param __HANDLE__: RNG Handle
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| 193 | * @retval None
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| 194 | */
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| 195 | #define __HAL_RNG_ENABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR |= RNG_CR_IE)
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| 196 |
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| 197 | /**
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| 198 | * @brief Disables the RNG interrupts.
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| 199 | * @param __HANDLE__: RNG Handle
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| 200 | * @retval None
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| 201 | */
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| 202 | #define __HAL_RNG_DISABLE_IT(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~RNG_CR_IE)
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| 203 |
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| 204 | /**
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| 205 | * @brief Checks whether the specified RNG interrupt has occurred or not.
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| 206 | * @param __HANDLE__: RNG Handle
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| 207 | * @param __INTERRUPT__: specifies the RNG interrupt status flag to check.
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| 208 | * This parameter can be one of the following values:
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| 209 | * @arg RNG_IT_DRDY: Data ready interrupt
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| 210 | * @arg RNG_IT_CEI: Clock error interrupt
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| 211 | * @arg RNG_IT_SEI: Seed error interrupt
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| 212 | * @retval The new state of __INTERRUPT__ (SET or RESET).
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| 213 | */
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| 214 | #define __HAL_RNG_GET_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR & (__INTERRUPT__)) == (__INTERRUPT__))
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| 215 |
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| 216 | /**
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| 217 | * @brief Clear the RNG interrupt status flags.
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| 218 | * @param __HANDLE__: RNG Handle
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| 219 | * @param __INTERRUPT__: specifies the RNG interrupt status flag to clear.
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| 220 | * This parameter can be one of the following values:
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| 221 | * @arg RNG_IT_CEI: Clock error interrupt
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| 222 | * @arg RNG_IT_SEI: Seed error interrupt
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| 223 | * @note RNG_IT_DRDY flag is read-only, reading RNG_DR register automatically clears RNG_IT_DRDY.
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| 224 | * @retval None
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| 225 | */
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| 226 | #define __HAL_RNG_CLEAR_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->SR) = ~(__INTERRUPT__))
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| 227 |
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| 228 | /**
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| 229 | * @}
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| 230 | */
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| 231 |
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| 232 | /* Exported functions --------------------------------------------------------*/
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| 233 | /** @defgroup RNG_Exported_Functions RNG Exported Functions
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| 234 | * @{
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| 235 | */
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| 236 |
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| 237 | /** @defgroup RNG_Exported_Functions_Group1 Initialization and de-initialization functions
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| 238 | * @{
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| 239 | */
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| 240 | HAL_StatusTypeDef HAL_RNG_Init(RNG_HandleTypeDef *hrng);
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| 241 | HAL_StatusTypeDef HAL_RNG_DeInit (RNG_HandleTypeDef *hrng);
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| 242 | void HAL_RNG_MspInit(RNG_HandleTypeDef *hrng);
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| 243 | void HAL_RNG_MspDeInit(RNG_HandleTypeDef *hrng);
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| 244 |
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| 245 | /**
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| 246 | * @}
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| 247 | */
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| 248 |
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| 249 | /** @defgroup RNG_Exported_Functions_Group2 Peripheral Control functions
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| 250 | * @{
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| 251 | */
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| 252 | uint32_t HAL_RNG_GetRandomNumber(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber() instead */
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| 253 | uint32_t HAL_RNG_GetRandomNumber_IT(RNG_HandleTypeDef *hrng); /* Obsolete, use HAL_RNG_GenerateRandomNumber_IT() instead */
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| 254 |
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| 255 | HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber(RNG_HandleTypeDef *hrng, uint32_t *random32bit);
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| 256 | HAL_StatusTypeDef HAL_RNG_GenerateRandomNumber_IT(RNG_HandleTypeDef *hrng);
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| 257 | uint32_t HAL_RNG_ReadLastRandomNumber(RNG_HandleTypeDef *hrng);
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| 258 |
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| 259 | void HAL_RNG_IRQHandler(RNG_HandleTypeDef *hrng);
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| 260 | void HAL_RNG_ErrorCallback(RNG_HandleTypeDef *hrng);
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| 261 | void HAL_RNG_ReadyDataCallback(RNG_HandleTypeDef* hrng, uint32_t random32bit);
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| 262 |
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| 263 | /**
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| 264 | * @}
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| 265 | */
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| 266 |
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| 267 | /** @defgroup RNG_Exported_Functions_Group3 Peripheral State functions
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| 268 | * @{
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| 269 | */
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| 270 | HAL_RNG_StateTypeDef HAL_RNG_GetState(RNG_HandleTypeDef *hrng);
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| 271 |
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| 272 | /**
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| 273 | * @}
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| 274 | */
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| 275 |
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| 276 | /**
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| 277 | * @}
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| 278 | */
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| 279 |
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| 280 | /* Private types -------------------------------------------------------------*/
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| 281 | /** @defgroup RNG_Private_Types RNG Private Types
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| 282 | * @{
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| 283 | */
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| 284 |
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| 285 | /**
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| 286 | * @}
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| 287 | */
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| 288 |
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| 289 | /* Private defines -----------------------------------------------------------*/
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| 290 | /** @defgroup RNG_Private_Defines RNG Private Defines
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| 291 | * @{
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| 292 | */
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| 293 |
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| 294 | /**
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| 295 | * @}
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| 296 | */
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| 297 |
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| 298 | /* Private variables ---------------------------------------------------------*/
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| 299 | /** @defgroup RNG_Private_Variables RNG Private Variables
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| 300 | * @{
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| 301 | */
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| 302 |
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| 303 | /**
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| 304 | * @}
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| 305 | */
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| 306 |
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| 307 | /* Private constants ---------------------------------------------------------*/
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| 308 | /** @defgroup RNG_Private_Constants RNG Private Constants
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| 309 | * @{
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| 310 | */
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| 311 |
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| 312 | /**
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| 313 | * @}
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| 314 | */
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| 315 |
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| 316 | /* Private macros ------------------------------------------------------------*/
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| 317 | /** @defgroup RNG_Private_Macros RNG Private Macros
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| 318 | * @{
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| 319 | */
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| 320 | #define IS_RNG_IT(IT) (((IT) == RNG_IT_CEI) || \
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| 321 | ((IT) == RNG_IT_SEI))
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| 322 |
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| 323 | #define IS_RNG_FLAG(FLAG) (((FLAG) == RNG_FLAG_DRDY) || \
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| 324 | ((FLAG) == RNG_FLAG_CECS) || \
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| 325 | ((FLAG) == RNG_FLAG_SECS))
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| 326 |
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| 327 | /**
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| 328 | * @}
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| 329 | */
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| 330 |
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| 331 | /* Private functions prototypes ----------------------------------------------*/
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| 332 | /** @defgroup RNG_Private_Functions_Prototypes RNG Private Functions Prototypes
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| 333 | * @{
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| 334 | */
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| 335 |
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| 336 | /**
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| 337 | * @}
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| 338 | */
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| 339 |
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| 340 | /* Private functions ---------------------------------------------------------*/
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| 341 | /** @defgroup RNG_Private_Functions RNG Private Functions
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| 342 | * @{
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| 343 | */
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| 344 |
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| 345 | /**
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| 346 | * @}
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| 347 | */
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| 348 |
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| 349 | /**
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| 350 | * @}
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| 351 | */
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| 352 |
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| 353 | /**
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| 354 | * @}
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| 355 | */
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| 356 |
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| 357 | #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\
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| 358 | STM32F429xx || STM32F439xx || STM32F410xx || STM32F469xx || STM32F479xx */
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| 359 |
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| 360 | #ifdef __cplusplus
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| 361 | }
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| 362 | #endif
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| 363 |
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| 364 |
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| 365 | #endif /* __STM32F4xx_HAL_RNG_H */
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| 366 |
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| 367 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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