104 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /**
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|   ******************************************************************************
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|   * @file    stm32f7xx_ll_rng.c
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|   * @author  MCD Application Team
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|   * @brief   RNG LL module driver.
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|   ******************************************************************************
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|   * @attention
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|   *
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|   * Copyright (c) 2017 STMicroelectronics.
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|   * All rights reserved.
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|   *
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|   * This software is licensed under terms that can be found in the LICENSE file
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|   * in the root directory of this software component.
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|   * If no LICENSE file comes with this software, it is provided AS-IS.
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|   *
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|   ******************************************************************************
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|   */
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| #if defined(USE_FULL_LL_DRIVER)
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| 
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| /* Includes ------------------------------------------------------------------*/
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| #include "stm32f7xx_ll_rng.h"
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| #include "stm32f7xx_ll_bus.h"
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| 
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| #ifdef  USE_FULL_ASSERT
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| #include "stm32_assert.h"
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| #else
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| #define assert_param(expr) ((void)0U)
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| #endif /* USE_FULL_ASSERT */
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| 
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| /** @addtogroup STM32F7xx_LL_Driver
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|   * @{
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|   */
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| 
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| #if defined (RNG)
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| 
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| /** @addtogroup RNG_LL
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|   * @{
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|   */
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| 
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| /* Private types -------------------------------------------------------------*/
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| /* Private variables ---------------------------------------------------------*/
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| /* Private constants ---------------------------------------------------------*/
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| /* Private macros ------------------------------------------------------------*/
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| /* Private function prototypes -----------------------------------------------*/
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| 
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| /* Exported functions --------------------------------------------------------*/
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| /** @addtogroup RNG_LL_Exported_Functions
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|   * @{
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|   */
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| 
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| /** @addtogroup RNG_LL_EF_Init
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|   * @{
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|   */
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| 
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| /**
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|   * @brief  De-initialize RNG registers (Registers restored to their default values).
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|   * @param  RNGx RNG Instance
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|   * @retval An ErrorStatus enumeration value:
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|   *          - SUCCESS: RNG registers are de-initialized
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|   *          - ERROR: not applicable
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|   */
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| ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx)
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| {
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|   ErrorStatus status = SUCCESS;
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| 
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|   /* Check the parameters */
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|   assert_param(IS_RNG_ALL_INSTANCE(RNGx));
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|   if (RNGx == RNG)
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|   {
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|     /* Enable RNG reset state */
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|     LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_RNG);
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| 
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|     /* Release RNG from reset state */
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|     LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_RNG);
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|   }
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|   else
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|   {
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|     status = ERROR;
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|   }
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| 
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|   return 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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| /**
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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 /* RNG */
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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 /* USE_FULL_LL_DRIVER */
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| 
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