stm32f4xx_hal_cec.c

Go to the documentation of this file.

 
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
 
#ifdef HAL_CEC_MODULE_ENABLED
#if defined (CEC)
 
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions ---------------------------------------------------------*/
 
HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec)
{
  /* Check the CEC handle allocation */
  if ((hcec == NULL) || (hcec->Init.RxBuffer == NULL))
  {
    return HAL_ERROR;
  }
 
  /* Check the parameters */
  assert_param(IS_CEC_ALL_INSTANCE(hcec->Instance));
  assert_param(IS_CEC_SIGNALFREETIME(hcec->Init.SignalFreeTime));
  assert_param(IS_CEC_TOLERANCE(hcec->Init.Tolerance));
  assert_param(IS_CEC_BRERXSTOP(hcec->Init.BRERxStop));
  assert_param(IS_CEC_BREERRORBITGEN(hcec->Init.BREErrorBitGen));
  assert_param(IS_CEC_LBPEERRORBITGEN(hcec->Init.LBPEErrorBitGen));
  assert_param(IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(hcec->Init.BroadcastMsgNoErrorBitGen));
  assert_param(IS_CEC_SFTOP(hcec->Init.SignalFreeTimeOption));
  assert_param(IS_CEC_LISTENING_MODE(hcec->Init.ListenMode));
  assert_param(IS_CEC_OWN_ADDRESS(hcec->Init.OwnAddress));
 
#if (USE_HAL_CEC_REGISTER_CALLBACKS == 1)
  if (hcec->gState == HAL_CEC_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    hcec->Lock = HAL_UNLOCKED;
 
    hcec->TxCpltCallback  = HAL_CEC_TxCpltCallback;  /* Legacy weak TxCpltCallback  */
    hcec->RxCpltCallback = HAL_CEC_RxCpltCallback;   /* Legacy weak RxCpltCallback */
    hcec->ErrorCallback = HAL_CEC_ErrorCallback;     /* Legacy weak ErrorCallback */
 
    if (hcec->MspInitCallback == NULL)
    {
      hcec->MspInitCallback = HAL_CEC_MspInit; /* Legacy weak MspInit  */
    }
 
    /* Init the low level hardware */
    hcec->MspInitCallback(hcec);
  }
#else
  if (hcec->gState == HAL_CEC_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    hcec->Lock = HAL_UNLOCKED;
    /* Init the low level hardware : GPIO, CLOCK */
    HAL_CEC_MspInit(hcec);
  }
#endif /* USE_HAL_CEC_REGISTER_CALLBACKS */
 
  hcec->gState = HAL_CEC_STATE_BUSY;
 
  /* Disable the Peripheral */
  __HAL_CEC_DISABLE(hcec);
 
  /* Write to CEC Control Register */
  hcec->Instance->CFGR = hcec->Init.SignalFreeTime | hcec->Init.Tolerance | hcec->Init.BRERxStop | \
                         hcec->Init.BREErrorBitGen | hcec->Init.LBPEErrorBitGen | \
                         hcec->Init.BroadcastMsgNoErrorBitGen | \
                         hcec->Init.SignalFreeTimeOption | ((uint32_t)(hcec->Init.OwnAddress) << 16U) | \
                         hcec->Init.ListenMode;
 
  /* Enable the following CEC Transmission/Reception interrupts as
    * well as the following CEC Transmission/Reception Errors interrupts
    * Rx Byte Received IT
    * End of Reception IT
    * Rx overrun
    * Rx bit rising error
    * Rx short bit period error
    * Rx long bit period error
    * Rx missing acknowledge
    * Tx Byte Request IT
    * End of Transmission IT
    * Tx Missing Acknowledge IT
    * Tx-Error IT
    * Tx-Buffer Underrun IT
    * Tx arbitration lost   */
  __HAL_CEC_ENABLE_IT(hcec, CEC_IT_RXBR | CEC_IT_RXEND | CEC_IER_RX_ALL_ERR | CEC_IT_TXBR | CEC_IT_TXEND |
                      CEC_IER_TX_ALL_ERR);
 
  /* Enable the CEC Peripheral */
  __HAL_CEC_ENABLE(hcec);
 
  hcec->ErrorCode = HAL_CEC_ERROR_NONE;
  hcec->gState = HAL_CEC_STATE_READY;
  hcec->RxState = HAL_CEC_STATE_READY;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec)
{
  /* Check the CEC handle allocation */
  if (hcec == NULL)
  {
    return HAL_ERROR;
  }
 
  /* Check the parameters */
  assert_param(IS_CEC_ALL_INSTANCE(hcec->Instance));
 
  hcec->gState = HAL_CEC_STATE_BUSY;
 
#if (USE_HAL_CEC_REGISTER_CALLBACKS == 1)
  if (hcec->MspDeInitCallback == NULL)
  {
    hcec->MspDeInitCallback = HAL_CEC_MspDeInit; /* Legacy weak MspDeInit  */
  }
 
  /* DeInit the low level hardware */
  hcec->MspDeInitCallback(hcec);
 
#else
  /* DeInit the low level hardware */
  HAL_CEC_MspDeInit(hcec);
#endif /* USE_HAL_CEC_REGISTER_CALLBACKS */
 
  /* Disable the Peripheral */
  __HAL_CEC_DISABLE(hcec);
 
  /* Clear Flags */
  __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_TXEND | CEC_FLAG_TXBR | CEC_FLAG_RXBR | CEC_FLAG_RXEND | CEC_ISR_ALL_ERROR);
 
  /* Disable the following CEC Transmission/Reception interrupts as
    * well as the following CEC Transmission/Reception Errors interrupts
    * Rx Byte Received IT
    * End of Reception IT
    * Rx overrun
    * Rx bit rising error
    * Rx short bit period error
    * Rx long bit period error
    * Rx missing acknowledge
    * Tx Byte Request IT
    * End of Transmission IT
    * Tx Missing Acknowledge IT
    * Tx-Error IT
    * Tx-Buffer Underrun IT
    * Tx arbitration lost   */
  __HAL_CEC_DISABLE_IT(hcec, CEC_IT_RXBR | CEC_IT_RXEND | CEC_IER_RX_ALL_ERR | CEC_IT_TXBR | CEC_IT_TXEND |
                       CEC_IER_TX_ALL_ERR);
 
  hcec->ErrorCode = HAL_CEC_ERROR_NONE;
  hcec->gState = HAL_CEC_STATE_RESET;
  hcec->RxState = HAL_CEC_STATE_RESET;
 
  /* Process Unlock */
  __HAL_UNLOCK(hcec);
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef *hcec, uint16_t CEC_OwnAddress)
{
  /* Check the parameters */
  assert_param(IS_CEC_OWN_ADDRESS(CEC_OwnAddress));
 
  if ((hcec->gState == HAL_CEC_STATE_READY) && (hcec->RxState == HAL_CEC_STATE_READY))
  {
    /* Process Locked */
    __HAL_LOCK(hcec);
 
    hcec->gState = HAL_CEC_STATE_BUSY;
 
    /* Disable the Peripheral */
    __HAL_CEC_DISABLE(hcec);
 
    if (CEC_OwnAddress != CEC_OWN_ADDRESS_NONE)
    {
      hcec->Instance->CFGR |= ((uint32_t)CEC_OwnAddress << 16);
    }
    else
    {
      hcec->Instance->CFGR &= ~(CEC_CFGR_OAR);
    }
 
    hcec->gState = HAL_CEC_STATE_READY;
    hcec->ErrorCode = HAL_CEC_ERROR_NONE;
 
    /* Process Unlocked */
    __HAL_UNLOCK(hcec);
 
    /* Enable the Peripheral */
    __HAL_CEC_ENABLE(hcec);
 
    return  HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
__weak void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hcec);
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_CEC_MspInit can be implemented in the user file
   */
}
 
__weak void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hcec);
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_CEC_MspDeInit can be implemented in the user file
   */
}
#if (USE_HAL_CEC_REGISTER_CALLBACKS == 1)
HAL_StatusTypeDef HAL_CEC_RegisterCallback(CEC_HandleTypeDef *hcec, HAL_CEC_CallbackIDTypeDef CallbackID,
                                           pCEC_CallbackTypeDef pCallback)
{
  HAL_StatusTypeDef status = HAL_OK;
 
  if (pCallback == NULL)
  {
    /* Update the error code */
    hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
    return HAL_ERROR;
  }
  /* Process locked */
  __HAL_LOCK(hcec);
 
  if (hcec->gState == HAL_CEC_STATE_READY)
  {
    switch (CallbackID)
    {
      case HAL_CEC_TX_CPLT_CB_ID :
        hcec->TxCpltCallback = pCallback;
        break;
 
      case HAL_CEC_ERROR_CB_ID :
        hcec->ErrorCallback = pCallback;
        break;
 
      case HAL_CEC_MSPINIT_CB_ID :
        hcec->MspInitCallback = pCallback;
        break;
 
      case HAL_CEC_MSPDEINIT_CB_ID :
        hcec->MspDeInitCallback = pCallback;
        break;
 
      default :
        /* Update the error code */
        hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (hcec->gState == HAL_CEC_STATE_RESET)
  {
    switch (CallbackID)
    {
      case HAL_CEC_MSPINIT_CB_ID :
        hcec->MspInitCallback = pCallback;
        break;
 
      case HAL_CEC_MSPDEINIT_CB_ID :
        hcec->MspDeInitCallback = pCallback;
        break;
 
      default :
        /* Update the error code */
        hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Update the error code */
    hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
    /* Return error status */
    status =  HAL_ERROR;
  }
 
  /* Release Lock */
  __HAL_UNLOCK(hcec);
 
  return status;
}
 
HAL_StatusTypeDef HAL_CEC_UnRegisterCallback(CEC_HandleTypeDef *hcec, HAL_CEC_CallbackIDTypeDef CallbackID)
{
  HAL_StatusTypeDef status = HAL_OK;
 
  /* Process locked */
  __HAL_LOCK(hcec);
 
  if (hcec->gState == HAL_CEC_STATE_READY)
  {
    switch (CallbackID)
    {
      case HAL_CEC_TX_CPLT_CB_ID :
        hcec->TxCpltCallback = HAL_CEC_TxCpltCallback;  /* Legacy weak  TxCpltCallback */
        break;
 
      case HAL_CEC_ERROR_CB_ID :
        hcec->ErrorCallback = HAL_CEC_ErrorCallback;  /* Legacy weak ErrorCallback   */
        break;
 
      case HAL_CEC_MSPINIT_CB_ID :
        hcec->MspInitCallback = HAL_CEC_MspInit;
        break;
 
      case HAL_CEC_MSPDEINIT_CB_ID :
        hcec->MspDeInitCallback = HAL_CEC_MspDeInit;
        break;
 
      default :
        /* Update the error code */
        hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (hcec->gState == HAL_CEC_STATE_RESET)
  {
    switch (CallbackID)
    {
      case HAL_CEC_MSPINIT_CB_ID :
        hcec->MspInitCallback = HAL_CEC_MspInit;
        break;
 
      case HAL_CEC_MSPDEINIT_CB_ID :
        hcec->MspDeInitCallback = HAL_CEC_MspDeInit;
        break;
 
      default :
        /* Update the error code */
        hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Update the error code */
    hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
    /* Return error status */
    status =  HAL_ERROR;
  }
 
  /* Release Lock */
  __HAL_UNLOCK(hcec);
 
  return status;
}
 
HAL_StatusTypeDef HAL_CEC_RegisterRxCpltCallback(CEC_HandleTypeDef *hcec, pCEC_RxCallbackTypeDef pCallback)
{
  HAL_StatusTypeDef status = HAL_OK;
 
  if (pCallback == NULL)
  {
    /* Update the error code */
    hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
    return HAL_ERROR;
  }
  /* Process locked */
  __HAL_LOCK(hcec);
 
  if (HAL_CEC_STATE_READY == hcec->RxState)
  {
    hcec->RxCpltCallback = pCallback;
  }
  else
  {
    /* Update the error code */
    hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
    /* Return error status */
    status =  HAL_ERROR;
  }
 
  /* Release Lock */
  __HAL_UNLOCK(hcec);
  return status;
}
 
HAL_StatusTypeDef HAL_CEC_UnRegisterRxCpltCallback(CEC_HandleTypeDef *hcec)
{
  HAL_StatusTypeDef status = HAL_OK;
 
  /* Process locked */
  __HAL_LOCK(hcec);
 
  if (HAL_CEC_STATE_READY == hcec->RxState)
  {
    hcec->RxCpltCallback = HAL_CEC_RxCpltCallback; /* Legacy weak  CEC RxCpltCallback  */
  }
  else
  {
    /* Update the error code */
    hcec->ErrorCode |= HAL_CEC_ERROR_INVALID_CALLBACK;
    /* Return error status */
    status =  HAL_ERROR;
  }
 
  /* Release Lock */
  __HAL_UNLOCK(hcec);
  return status;
}
#endif /* USE_HAL_CEC_REGISTER_CALLBACKS */
 
HAL_StatusTypeDef HAL_CEC_Transmit_IT(CEC_HandleTypeDef *hcec, uint8_t InitiatorAddress, uint8_t DestinationAddress,
                                      const uint8_t *pData, uint32_t Size)
{
  /* if the peripheral isn't already busy and if there is no previous transmission
     already pending due to arbitration lost */
  if (hcec->gState == HAL_CEC_STATE_READY)
  {
    if ((pData == NULL) && (Size > 0U))
    {
      return  HAL_ERROR;
    }
 
    assert_param(IS_CEC_ADDRESS(DestinationAddress));
    assert_param(IS_CEC_ADDRESS(InitiatorAddress));
    assert_param(IS_CEC_MSGSIZE(Size));
 
    /* Process Locked */
    __HAL_LOCK(hcec);
    hcec->pTxBuffPtr = pData;
    hcec->gState = HAL_CEC_STATE_BUSY_TX;
    hcec->ErrorCode = HAL_CEC_ERROR_NONE;
 
    /* initialize the number of bytes to send,
      * 0 means only one header is sent (ping operation) */
    hcec->TxXferCount = (uint16_t)Size;
 
    /* in case of no payload (Size = 0), sender is only pinging the system;
       Set TX End of Message (TXEOM) bit, must be set before writing data to TXDR */
    if (Size == 0U)
    {
      __HAL_CEC_LAST_BYTE_TX_SET(hcec);
    }
 
    /* send header block */
    hcec->Instance->TXDR = (uint32_t)(((uint32_t)InitiatorAddress << CEC_INITIATOR_LSB_POS) | DestinationAddress);
 
    /* Set TX Start of Message  (TXSOM) bit */
    __HAL_CEC_FIRST_BYTE_TX_SET(hcec);
 
    /* Process Unlocked */
    __HAL_UNLOCK(hcec);
 
    return HAL_OK;
 
  }
  else
  {
    return HAL_BUSY;
  }
}
 
uint32_t HAL_CEC_GetLastReceivedFrameSize(const CEC_HandleTypeDef *hcec)
{
  return hcec->RxXferSize;
}
 
void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef *hcec, uint8_t *Rxbuffer)
{
  hcec->Init.RxBuffer = Rxbuffer;
}
 
void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec)
{
 
  /* save interrupts register for further error or interrupts handling purposes */
  uint32_t itflag;
  itflag = hcec->Instance->ISR;
 
 
  /* ----------------------------Arbitration Lost Management----------------------------------*/
  /* CEC TX arbitration error interrupt occurred --------------------------------------*/
  if (HAL_IS_BIT_SET(itflag, CEC_FLAG_ARBLST))
  {
    hcec->ErrorCode = HAL_CEC_ERROR_ARBLST;
    __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_ARBLST);
  }
 
  /* ----------------------------Rx Management----------------------------------*/
  /* CEC RX byte received interrupt  ---------------------------------------------------*/
  if (HAL_IS_BIT_SET(itflag, CEC_FLAG_RXBR))
  {
    /* reception is starting */
    hcec->RxState = HAL_CEC_STATE_BUSY_RX;
    hcec->RxXferSize++;
    /* read received byte */
    *hcec->Init.RxBuffer = (uint8_t) hcec->Instance->RXDR;
    hcec->Init.RxBuffer++;
    __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_RXBR);
  }
 
  /* CEC RX end received interrupt  ---------------------------------------------------*/
  if (HAL_IS_BIT_SET(itflag, CEC_FLAG_RXEND))
  {
    /* clear IT */
    __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_RXEND);
 
    /* Rx process is completed, restore hcec->RxState to Ready */
    hcec->RxState = HAL_CEC_STATE_READY;
    hcec->ErrorCode = HAL_CEC_ERROR_NONE;
    hcec->Init.RxBuffer -= hcec->RxXferSize;
#if (USE_HAL_CEC_REGISTER_CALLBACKS == 1U)
    hcec->RxCpltCallback(hcec, hcec->RxXferSize);
#else
    HAL_CEC_RxCpltCallback(hcec, hcec->RxXferSize);
#endif /* USE_HAL_CEC_REGISTER_CALLBACKS */
    hcec->RxXferSize = 0U;
  }
 
  /* ----------------------------Tx Management----------------------------------*/
  /* CEC TX byte request interrupt ------------------------------------------------*/
  if (HAL_IS_BIT_SET(itflag, CEC_FLAG_TXBR))
  {
    --hcec->TxXferCount;
    if (hcec->TxXferCount == 0U)
    {
      /* if this is the last byte transmission, set TX End of Message (TXEOM) bit */
      __HAL_CEC_LAST_BYTE_TX_SET(hcec);
    }
    /* In all cases transmit the byte */
    hcec->Instance->TXDR = (uint8_t) * hcec->pTxBuffPtr;
    hcec->pTxBuffPtr++;
    /* clear Tx-Byte request flag */
    __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_TXBR);
  }
 
  /* CEC TX end interrupt ------------------------------------------------*/
  if (HAL_IS_BIT_SET(itflag, CEC_FLAG_TXEND))
  {
    __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_TXEND);
 
    /* Tx process is ended, restore hcec->gState to Ready */
    hcec->gState = HAL_CEC_STATE_READY;
    /* Call the Process Unlocked before calling the Tx call back API to give the possibility to
    start again the Transmission under the Tx call back API */
    __HAL_UNLOCK(hcec);
    hcec->ErrorCode = HAL_CEC_ERROR_NONE;
#if (USE_HAL_CEC_REGISTER_CALLBACKS == 1U)
    hcec->TxCpltCallback(hcec);
#else
    HAL_CEC_TxCpltCallback(hcec);
#endif /* USE_HAL_CEC_REGISTER_CALLBACKS */
  }
 
  /* ----------------------------Rx/Tx Error Management----------------------------------*/
  if ((itflag & (CEC_ISR_RXOVR | CEC_ISR_BRE | CEC_ISR_SBPE | CEC_ISR_LBPE | CEC_ISR_RXACKE | CEC_ISR_TXUDR |
                 CEC_ISR_TXERR | CEC_ISR_TXACKE)) != 0U)
  {
    hcec->ErrorCode = itflag;
    __HAL_CEC_CLEAR_FLAG(hcec, HAL_CEC_ERROR_RXOVR | HAL_CEC_ERROR_BRE | CEC_FLAG_LBPE | CEC_FLAG_SBPE |
                         HAL_CEC_ERROR_RXACKE | HAL_CEC_ERROR_TXUDR | HAL_CEC_ERROR_TXERR | HAL_CEC_ERROR_TXACKE);
 
 
    if ((itflag & (CEC_ISR_RXOVR | CEC_ISR_BRE | CEC_ISR_SBPE | CEC_ISR_LBPE | CEC_ISR_RXACKE)) != 0U)
    {
      hcec->Init.RxBuffer -= hcec->RxXferSize;
      hcec->RxXferSize = 0U;
      hcec->RxState = HAL_CEC_STATE_READY;
    }
    else if (((itflag & CEC_ISR_ARBLST) == 0U) && ((itflag & (CEC_ISR_TXUDR | CEC_ISR_TXERR | CEC_ISR_TXACKE)) != 0U))
    {
      /* Set the CEC state ready to be able to start again the process */
      hcec->gState = HAL_CEC_STATE_READY;
    }
    else
    {
      /* Nothing todo*/
    }
#if (USE_HAL_CEC_REGISTER_CALLBACKS == 1U)
    hcec->ErrorCallback(hcec);
#else
    /* Error  Call Back */
    HAL_CEC_ErrorCallback(hcec);
#endif /* USE_HAL_CEC_REGISTER_CALLBACKS */
  }
  else
  {
    /* Nothing todo*/
  }
}
 
__weak void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef *hcec)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hcec);
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_CEC_TxCpltCallback can be implemented in the user file
   */
}
 
__weak void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef *hcec, uint32_t RxFrameSize)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hcec);
  UNUSED(RxFrameSize);
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_CEC_RxCpltCallback can be implemented in the user file
   */
}
 
__weak void HAL_CEC_ErrorCallback(CEC_HandleTypeDef *hcec)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hcec);
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_CEC_ErrorCallback can be implemented in the user file
   */
}
HAL_CEC_StateTypeDef HAL_CEC_GetState(const CEC_HandleTypeDef *hcec)
{
  uint32_t temp1;
  uint32_t temp2;
  temp1 = hcec->gState;
  temp2 = hcec->RxState;
 
  return (HAL_CEC_StateTypeDef)(temp1 | temp2);
}
 
uint32_t HAL_CEC_GetError(const CEC_HandleTypeDef *hcec)
{
  return hcec->ErrorCode;
}
 
#endif /* CEC */
#endif /* HAL_CEC_MODULE_ENABLED */