C++ (Cpp) __HAL_I2S_GET_IT_SOURCE Exemples

Exemple #1

Fichier : stm32f4xx_hal_i2s.c Projet : gbrault/NucleoHal

/**
  * @brief  This function handles I2S interrupt request.
  * @param  hi2s: pointer to a I2S_HandleTypeDef structure that contains
  *         the configuration information for I2S module
  * @retval None
  */
__weak void HAL_I2S_IRQHandler(I2S_HandleTypeDef *hi2s)
{  
  uint32_t tmp1 = 0, tmp2 = 0; 

    if(hi2s->State == HAL_I2S_STATE_BUSY_RX)
    {
      tmp1 = __HAL_I2S_GET_FLAG(hi2s, I2S_FLAG_RXNE);
      tmp2 = __HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_RXNE);
      /* I2S in mode Receiver ------------------------------------------------*/
      if((tmp1 != RESET) && (tmp2 != RESET))
      {
        I2S_Receive_IT(hi2s);
      }

      tmp1 = __HAL_I2S_GET_FLAG(hi2s, I2S_FLAG_OVR);
      tmp2 = __HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_ERR);
      /* I2S Overrun error interrupt occurred ---------------------------------*/
      if((tmp1 != RESET) && (tmp2 != RESET))
      {
        __HAL_I2S_CLEAR_OVRFLAG(hi2s);
        hi2s->ErrorCode |= HAL_I2S_ERROR_OVR;
      }
    }

    if(hi2s->State == HAL_I2S_STATE_BUSY_TX)
    {
      tmp1 = __HAL_I2S_GET_FLAG(hi2s, I2S_FLAG_TXE);
      tmp2 = __HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_TXE);
      /* I2S in mode Transmitter -----------------------------------------------*/
      if((tmp1 != RESET) && (tmp2 != RESET))
      {
        I2S_Transmit_IT(hi2s);
      }

      tmp1 = __HAL_I2S_GET_FLAG(hi2s, I2S_FLAG_UDR);
      tmp2 = __HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_ERR);
      /* I2S Underrun error interrupt occurred --------------------------------*/
      if((tmp1 != RESET) && (tmp2 != RESET))
      {
        __HAL_I2S_CLEAR_UDRFLAG(hi2s);
        hi2s->ErrorCode |= HAL_I2S_ERROR_UDR;
    }
  }

  /* Call the Error call Back in case of Errors */
  if(hi2s->ErrorCode != HAL_I2S_ERROR_NONE)
  {
    /* Set the I2S state ready to be able to start again the process */
    hi2s->State= HAL_I2S_STATE_READY;
    HAL_I2S_ErrorCallback(hi2s);
  }
}

Exemple #2

Fichier : stm32f3xx_hal_i2s.c Projet : Corkskru/stm32f303-nucleo-template

/**
  * @brief  This function handles I2S interrupt request.
  * @param  hi2s: pointer to a I2S_HandleTypeDef structure that contains
  *         the configuration information for I2S module
  * @retval HAL status
  */
void HAL_I2S_IRQHandler(I2S_HandleTypeDef *hi2s)
{  
  __IO uint32_t i2ssr = hi2s->Instance->SR;

  if(hi2s->State == HAL_I2S_STATE_BUSY_RX)
  {  
    /* I2S in mode Receiver ----------------------------------------------------*/
    if(((i2ssr & I2S_FLAG_RXNE) == I2S_FLAG_RXNE) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_RXNE) != RESET))
    {
      I2S_Receive_IT(hi2s);
    }

    /* I2S Overrun error interrupt occured -------------------------------------*/
    if(((i2ssr & I2S_FLAG_OVR) == I2S_FLAG_OVR) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_ERR) != RESET))
    {
      /* Disable RXNE and ERR interrupt */
      __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR));

      /* Set the I2S State ready */
      hi2s->State = HAL_I2S_STATE_READY; 

      /* Set the error code and execute error callback*/
      hi2s->ErrorCode |= HAL_I2S_ERROR_OVR;
      HAL_I2S_ErrorCallback(hi2s);
    }  
  }
  else if(hi2s->State == HAL_I2S_STATE_BUSY_TX)
  {  
    /* I2S in mode Tramitter ---------------------------------------------------*/
    if(((i2ssr & I2S_FLAG_TXE) == I2S_FLAG_TXE) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_TXE) != RESET))
    {     
      I2S_Transmit_IT(hi2s);
    } 
    
    /* I2S Underrun error interrupt occured ------------------------------------*/
    if(((i2ssr & I2S_FLAG_UDR) == I2S_FLAG_UDR) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_ERR) != RESET))
    {
      /* Disable TXE and ERR interrupt */
      __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR));

      /* Set the I2S State ready */
      hi2s->State = HAL_I2S_STATE_READY; 

      /* Set the error code and execute error callback*/
      hi2s->ErrorCode |= HAL_I2S_ERROR_UDR;
      HAL_I2S_ErrorCallback(hi2s);
    }
  }
}