stm32l4xx_ll_rng.c

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#if defined(USE_FULL_LL_DRIVER)

/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_ll_rng.h"
#include "stm32l4xx_ll_bus.h"

#ifdef  USE_FULL_ASSERT
#include "stm32_assert.h"
#else
#define assert_param(expr) ((void)0U)
#endif

#if defined (RNG)

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
#if defined(RNG_CR_CED)
#define IS_LL_RNG_CED(__MODE__) (((__MODE__) == LL_RNG_CED_ENABLE) || \
                                 ((__MODE__) == LL_RNG_CED_DISABLE))
#endif /* defined(RNG_CR_CED) */

/* Private function prototypes -----------------------------------------------*/

/* Exported functions --------------------------------------------------------*/
ErrorStatus LL_RNG_DeInit(RNG_TypeDef *RNGx)
{
  /* Check the parameters */
  assert_param(IS_RNG_ALL_INSTANCE(RNGx));

  /* 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);

  return (SUCCESS);
}

#if defined(RNG_CR_CED)

ErrorStatus LL_RNG_Init(RNG_TypeDef *RNGx, LL_RNG_InitTypeDef *RNG_InitStruct)
{
  /* Check the parameters */
  assert_param(IS_RNG_ALL_INSTANCE(RNGx));
  assert_param(IS_LL_RNG_CED(RNG_InitStruct->ClockErrorDetection));

  /* Clock Error Detection configuration */
  MODIFY_REG(RNGx->CR, RNG_CR_CED, RNG_InitStruct->ClockErrorDetection);

  return (SUCCESS);
}

void LL_RNG_StructInit(LL_RNG_InitTypeDef *RNG_InitStruct)
{
  /* Set RNG_InitStruct fields to default values */
  RNG_InitStruct->ClockErrorDetection   = LL_RNG_CED_ENABLE;

}
#endif /* defined(RNG_CR_CED) */

#endif /* defined (RNG) */

#endif /* USE_FULL_LL_DRIVER */

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