| /** |
| ****************************************************************************** |
| * @file stm32f4xx_ll_rng.c |
| * @author MCD Application Team |
| * @brief RNG LL module driver. |
| ****************************************************************************** |
| * @attention |
| * |
| * <h2><center>© Copyright (c) 2016 STMicroelectronics. |
| * All rights reserved.</center></h2> |
| * |
| * 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 |
| |
| /** @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 |
| return (SUCCESS); |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* RNG */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* USE_FULL_LL_DRIVER */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
| |
