stm32f4xx_ll_rng.c

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#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 */
 
#if defined (RNG)
 
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
 
/* Exported functions --------------------------------------------------------*/
ErrorStatus LL_RNG_DeInit(const RNG_TypeDef *RNGx)
{
  ErrorStatus status = SUCCESS;
 
  /* Check the parameters */
  assert_param(IS_RNG_ALL_INSTANCE(RNGx));
  if (RNGx == RNG)
  {
#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 */
  }
  else
  {
    status = ERROR;
  }
 
  return status;
}
 
#endif /* RNG */
 
#endif /* USE_FULL_LL_DRIVER */