C++ (Cpp) IS_CAN_IT_RXTX_FLAG Beispiele

Beispiel #1

Datei: MDR32F9Qx_can.c Projekt: eldarkg/emdr1986x-std-per-lib

/**
  * @brief  Clears the CANx reception buffer interrupt pending bit,
  *         does nothing if transmission interrupt pending bit is specified.
  * @param  CANx: Select the CAN peripheral.
  *         This parameter can be one of the following values:
  *         CAN1, CAN2.
  * @param  BufferNumber: The number of the buffer
  * @param  Status_Flag: specifies the interrupt pending bit to clear.
  *         This parameter can be of the following values:
            CAN_STATUS_RX_READY:    Flag indicating that there are messages received
            CAN_STATUS_TX_READY:    Flag indicating that there are buffers for transmitting
  * @retval None.
  */
void CAN_ITClearRxTxPendingBit(MDR_CAN_TypeDef* CANx, uint32_t BufferNumber, uint32_t Status_Flag)
{
  uint32_t tmpreg;

  /* Check the parameters */
  assert_param(IS_CAN_ALL_PERIPH(CANx));
  assert_param(IS_CAN_BUFFER(BufferNumber));
  assert_param(IS_CAN_IT_RXTX_FLAG(Status_Flag));

  tmpreg = CANx->BUF_CON[BufferNumber];

  if (Status_Flag == CAN_STATUS_RX_READY)
  {
    tmpreg &= ~CAN_STATUS_RX_FULL;
  }
  /* FIXME: Setting of TX_REQ bit here, initiates a retransmission of a previous
     message. For this reason, the following branch has been commented out.
     The transmission interrupt pending bit will be automatically cleared when you
     start the next transmission.

  else if (Status_Flag == CAN_STATUS_TX_READY)
  {
    tmpreg |= CAN_STATUS_TX_REQ;
  }
  */

  CANx->BUF_CON[BufferNumber] = tmpreg;
}

Beispiel #2

Datei: MDR32F9Qx_can.c Projekt: p-vlasov/emdr1986x-std-per-lib

/**
  * @brief  Clears the CANx transmission or reception buffer interrupt
  *         pending bits.
  * @param  CANx: Select the CAN peripheral.
  *         This parameter can be one of the following values:
  *         CAN1, CAN2.
  * @param  BufferNumber: The number of the buffer
  * @param  Status_Flag: specifies the interrupt pending bit to clear.
  *         This parameter can be of the following values:
            CAN_STATUS_RX_READY:    Flag indicating that there are messages received
            CAN_STATUS_TX_READY:    Flag indicating that there are buffers for transmitting
  * @retval None.
  */
void CAN_ITClearRxTxPendingBit(MDR_CAN_TypeDef* CANx, uint32_t BufferNumber, uint32_t Status_Flag)
{
  uint32_t tmpreg;

  /* Check the parameters */
  assert_param(IS_CAN_ALL_PERIPH(CANx));
  assert_param(IS_CAN_BUFFER(BufferNumber));
  assert_param(IS_CAN_IT_RXTX_FLAG(Status_Flag));

  tmpreg = CANx->BUF_CON[BufferNumber];

  if (Status_Flag == CAN_STATUS_RX_READY)
  {
    tmpreg &= ~CAN_STATUS_RX_FULL;
  }
  else if (Status_Flag == CAN_STATUS_TX_READY)
  {
    tmpreg |= CAN_STATUS_TX_REQ;
  }

  CANx->BUF_CON[BufferNumber] = tmpreg;
}