Пример #1
0
/**
  * @brief  De-initialize registers of the selected OPAMP instance
  *         to their default reset values.
  * @param  OPAMPx OPAMP instance
  * @retval An ErrorStatus enumeration value:
  *          - SUCCESS: OPAMP registers are de-initialized
  *          - ERROR: OPAMP registers are not de-initialized
  */
ErrorStatus LL_OPAMP_DeInit(OPAMP_TypeDef* OPAMPx)
{
  ErrorStatus status = SUCCESS;

  /* Check the parameters */
  assert_param(IS_OPAMP_ALL_INSTANCE(OPAMPx));

  LL_OPAMP_WriteReg(OPAMPx, CSR, 0x00000000U);

  return status;
}
Пример #2
0
/**
  * @brief  De-initialize registers of the selected OPAMP instance
  *         to their default reset values.
  * @note   If comparator is locked, de-initialization by software is
  *         not possible.
  *         The only way to unlock the comparator is a device hardware reset.
  * @param  OPAMPx OPAMP instance
  * @retval An ErrorStatus enumeration value:
  *          - SUCCESS: OPAMP registers are de-initialized
  *          - ERROR: OPAMP registers are not de-initialized
  */
ErrorStatus LL_OPAMP_DeInit(OPAMP_TypeDef* OPAMPx)
{
  ErrorStatus status = SUCCESS;
  
  /* Check the parameters */
  assert_param(IS_OPAMP_ALL_INSTANCE(OPAMPx));
  
  /* Note: Hardware constraint (refer to description of this function):       */
  /*       OPAMP instance must not be locked.                                 */
  if(LL_OPAMP_IsLocked(OPAMPx) == 0U)
  {
  LL_OPAMP_WriteReg(OPAMPx, CSR, 0x00000000U);
  }
  else
  {
    /* OPAMP instance is locked: de-initialization by software is              */
    /* not possible.                                                           */
    /* The only way to unlock the OPAMP is a device hardware reset.            */
    status = ERROR;
  }
  
  return status;
}