C++ (Cpp) HAL_WWDG_MspInit Examples

Example #1

File: stm32f7xx_hal_wwdg.c Project: DjFix/jog-dial-ui

/**
  * @brief  Initialize the WWDG according to the specified.
  *         parameters in the WWDG_InitTypeDef of  associated handle.
  * @param  hwwdg  pointer to a WWDG_HandleTypeDef structure that contains
  *                the configuration information for the specified WWDG module.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg)
{
  /* Check the WWDG handle allocation */
  if(hwwdg == NULL)
  {
    return HAL_ERROR;
  }

  /* Check the parameters */
  assert_param(IS_WWDG_ALL_INSTANCE(hwwdg->Instance));
  assert_param(IS_WWDG_PRESCALER(hwwdg->Init.Prescaler));
  assert_param(IS_WWDG_WINDOW(hwwdg->Init.Window));
  assert_param(IS_WWDG_COUNTER(hwwdg->Init.Counter));
  assert_param(IS_WWDG_EWI_MODE(hwwdg->Init.EWIMode));

  /* Init the low level hardware */
  HAL_WWDG_MspInit(hwwdg);

  /* Set WWDG Counter */
  WRITE_REG(hwwdg->Instance->CR, (WWDG_CR_WDGA | hwwdg->Init.Counter));

  /* Set WWDG Prescaler and Window */
  WRITE_REG(hwwdg->Instance->CFR, (hwwdg->Init.EWIMode | hwwdg->Init.Prescaler | hwwdg->Init.Window));

  /* Return function status */
  return HAL_OK;
}

Example #2

File: stm32l1xx_hal_wwdg.c Project: 1deus/tmk_keyboard

/**
  * @brief  Initializes the WWDG according to the specified
  *         parameters in the WWDG_InitTypeDef and creates the associated handle.
  * @param  hwwdg: pointer to a WWDG_HandleTypeDef structure that contains
  *              the configuration information for the specified WWDG module.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg)
{
  /* Check the WWDG handle allocation */
  if(hwwdg == HAL_NULL)
  {
    return HAL_ERROR;
  }
  
  /* Check the parameters */
  assert_param(IS_WWDG_ALL_INSTANCE(hwwdg->Instance));
  assert_param(IS_WWDG_PRESCALER(hwwdg->Init.Prescaler));
  assert_param(IS_WWDG_WINDOW(hwwdg->Init.Window)); 
  assert_param(IS_WWDG_COUNTER(hwwdg->Init.Counter)); 
  
  if(hwwdg->State == HAL_WWDG_STATE_RESET)
  {
    /* Init the low level hardware */
    HAL_WWDG_MspInit(hwwdg);
  }
  
  /* Change WWDG peripheral state */
  hwwdg->State = HAL_WWDG_STATE_BUSY;

  /* Set WWDG Prescaler and Window */
  MODIFY_REG(hwwdg->Instance->CFR, (WWDG_CFR_WDGTB | WWDG_CFR_W), (hwwdg->Init.Prescaler | hwwdg->Init.Window));

  /* Set WWDG Counter */
  MODIFY_REG(hwwdg->Instance->CR, WWDG_CR_T, hwwdg->Init.Counter);
   
  /* Change WWDG peripheral state */
  hwwdg->State = HAL_WWDG_STATE_READY;
  
  /* Return function status */
  return HAL_OK;
}

Example #3

File: stm32l0xx_hal_wwdg.c Project: Ribster/Labview

/**
  * @brief  Initializes the WWDG according to the specified
  *         parameters in the WWDG_InitTypeDef and creates the associated handle.
  * @param  hwwdg: pointer to a WWDG_HandleTypeDef structure that contains
  *              the configuration information for the specified WWDG module.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg)
{
    uint32_t tmp = 0;

    /* Check the WWDG handle allocation */
    if(hwwdg == NULL)
    {
        return HAL_ERROR;
    }

    /* Check the parameters */
    assert_param(IS_WWDG_ALL_INSTANCE(hwwdg->Instance));
    assert_param(IS_WWDG_PRESCALER(hwwdg->Init.Prescaler));
    assert_param(IS_WWDG_WINDOW(hwwdg->Init.Window));
    assert_param(IS_WWDG_COUNTER(hwwdg->Init.Counter));

    if(hwwdg->State == HAL_WWDG_STATE_RESET)
    {
        /* Init the low level hardware */
        HAL_WWDG_MspInit(hwwdg);
    }

    /* Change WWDG peripheral state */
    hwwdg->State = HAL_WWDG_STATE_BUSY;

    /* Set WWDG Prescaler and Window */
    /* Get the CFR register value */
    tmp = hwwdg->Instance->CFR;

    /* Clear WDGTB[1:0] and W[6:0] bits */
    tmp &= ((uint32_t)~(WWDG_CFR_WDGTB | WWDG_CFR_W));

    /* Prepare the WWDG Prescaler and Window parameters */
    tmp |= hwwdg->Init.Prescaler | hwwdg->Init.Window;

    /* Write to WWDG CFR */
    hwwdg->Instance->CFR = tmp;

    /* Set WWDG Counter */
    /* Get the CR register value */
    tmp = hwwdg->Instance->CR;

    /* Clear T[6:0] bits */
    tmp &= (uint32_t)~((uint32_t)WWDG_CR_T);

    /* Prepare the WWDG Counter parameter */
    tmp |= (hwwdg->Init.Counter);

    /* Write to WWDG CR */
    hwwdg->Instance->CR = tmp;

    /* Change WWDG peripheral state */
    hwwdg->State = HAL_WWDG_STATE_READY;

    /* Return function status */
    return HAL_OK;
}

Example #4

File: stm32l0xx_hal_wwdg.c Project: AnselZhangGit/LoRaMac-node

/**
  * @brief  Initializes the WWDG according to the specified
  *         parameters in the WWDG_InitTypeDef and creates the associated handle.
  * @param  hwwdg : pointer to a WWDG_HandleTypeDef structure that contains
  *              the configuration information for the specified WWDG module.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg)
{

  /* Check the WWDG handle allocation */
  if(hwwdg == NULL)
  {
    return HAL_ERROR;
  }

  /* Check the parameters */
  assert_param(IS_WWDG_ALL_INSTANCE(hwwdg->Instance));
  assert_param(IS_WWDG_PRESCALER(hwwdg->Init.Prescaler));
  assert_param(IS_WWDG_WINDOW(hwwdg->Init.Window));
  assert_param(IS_WWDG_COUNTER(hwwdg->Init.Counter));
  
  if(hwwdg->State == HAL_WWDG_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    hwwdg->Lock = HAL_UNLOCKED;

    /* Init the low level hardware */
    HAL_WWDG_MspInit(hwwdg);
  }

  /* Take lock  and change peripheral state */
   __HAL_LOCK(hwwdg);
  hwwdg->State = HAL_WWDG_STATE_BUSY;

   /* Set WWDG Prescaler and Window  and Counter*/
  MODIFY_REG(hwwdg->Instance->CFR, (WWDG_CFR_WDGTB | WWDG_CFR_W), (hwwdg->Init.Prescaler | hwwdg->Init.Window));
  MODIFY_REG(hwwdg->Instance->CR, WWDG_CR_T, hwwdg->Init.Counter);

  /* Change peripheral state and release lock*/
  hwwdg->State = HAL_WWDG_STATE_READY;
  __HAL_UNLOCK(hwwdg);

  /* Return function status */
  return HAL_OK;
}