/** ****************************************************************************** * @file stm32f4xx_ll_rng.c * @author MCD Application Team * @brief RNG LL module driver. ****************************************************************************** * @attention * *

© Copyright (c) 2016 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ #if defined(USE_FULL_LL_DRIVER) /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_ll_rng.h" #include "stm32f4xx_ll_bus.h" #ifdef USE_FULL_ASSERT #include "stm32_assert.h" #else #define assert_param(expr) ((void)0U) #endif /* USE_FULL_ASSERT */ /** @addtogroup STM32F4xx_LL_Driver * @{ */ #if defined (RNG) /** @addtogroup RNG_LL * @{ */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Exported functions --------------------------------------------------------*/ /** @addtogroup RNG_LL_Exported_Functions * @{ */ /** @addtogroup RNG_LL_EF_Init * @{ */ /** * @brief De-initialize RNG registers (Registers restored to their default values). * @param RNGx RNG Instance * @retval An ErrorStatus enumeration value: * - SUCCESS: RNG registers are de-initialized * - ERROR: not applicable */ ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx) { /* Check the parameters */ assert_param(IS_RNG_ALL_INSTANCE(RNGx)); #if !defined(RCC_AHB2_SUPPORT) /* Enable RNG reset state */ LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_RNG); /* Release RNG from reset state */ LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_RNG); #else /* Enable RNG reset state */ LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG); /* Release RNG from reset state */ LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG); #endif /* !RCC_AHB2_SUPPORT */ return (SUCCESS); } /** * @} */ /** * @} */ /** * @} */ #endif /* RNG */ /** * @} */ #endif /* USE_FULL_LL_DRIVER */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/