/**
* @brief Send an amount of data in non blocking mode.
* @param hirda: pointer to a IRDA_HandleTypeDef structure that contains
* the configuration information for the specified IRDA module.
* @param pData: Pointer to data buffer
* @param Size: Amount of data to be sent
* @retval HAL status
*/
HAL_StatusTypeDef HAL_IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size)
{
/* Check that a Tx process is not already ongoing */
if(hirda->gState == HAL_IRDA_STATE_READY)
{
if((pData == NULL) || (Size == 0U))
{
return HAL_ERROR;
}
/* Process Locked */
__HAL_LOCK(hirda);
hirda->pTxBuffPtr = pData;
hirda->TxXferSize = Size;
hirda->TxXferCount = Size;
hirda->ErrorCode = HAL_IRDA_ERROR_NONE;
hirda->gState = HAL_IRDA_STATE_BUSY_TX;
/* Process Unlocked */
__HAL_UNLOCK(hirda);
/* Enable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_ERR);
/* Enable the IRDA Transmit Data Register Empty Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TXE);
return HAL_OK;
}
else
{
return HAL_BUSY;
}
}
/**
* @brief Receive an amount of data in interrupt mode
* @param hirda: IRDA handle
* @param pData: pointer to data buffer
* @param Size: amount of data to be received
* @retval HAL status
*/
HAL_StatusTypeDef HAL_IRDA_Receive_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size)
{
if ((hirda->State == HAL_IRDA_STATE_READY) || (hirda->State == HAL_IRDA_STATE_BUSY_TX))
{
if((pData == NULL) || (Size == 0U))
{
return HAL_ERROR;
}
/* Process Locked */
__HAL_LOCK(hirda);
hirda->pRxBuffPtr = pData;
hirda->RxXferSize = Size;
hirda->RxXferCount = Size;
/* Computation of the mask to apply to the RDR register
of the UART associated to the IRDA */
IRDA_MASK_COMPUTATION(hirda);
hirda->ErrorCode = HAL_IRDA_ERROR_NONE;
if(hirda->State == HAL_IRDA_STATE_BUSY_TX)
{
hirda->State = HAL_IRDA_STATE_BUSY_TX_RX;
}
else
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
/* Enable the IRDA Parity Error Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_PE);
/* Enable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_ERR);
/* Process Unlocked */
__HAL_UNLOCK(hirda);
/* Enable the IRDA Data Register not empty Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_RXNE);
return HAL_OK;
}
else
{
return HAL_BUSY;
}
}
/**
* @brief Receives an amount of data in non-blocking mode.
* @param hirda: Pointer to a IRDA_HandleTypeDef structure that contains
* the configuration information for the specified IRDA module.
* @param pData: Pointer to data buffer
* @param Size: Amount of data to be received
* @retval HAL status
*/
HAL_StatusTypeDef HAL_IRDA_Receive_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size)
{
uint32_t tmp_state = 0;
tmp_state = hirda->State;
if((tmp_state == HAL_IRDA_STATE_READY) || (tmp_state == HAL_IRDA_STATE_BUSY_TX))
{
if((pData == NULL) || (Size == 0))
{
return HAL_ERROR;
}
/* Process Locked */
__HAL_LOCK(hirda);
hirda->pRxBuffPtr = pData;
hirda->RxXferSize = Size;
hirda->RxXferCount = Size;
hirda->ErrorCode = HAL_IRDA_ERROR_NONE;
if(hirda->State == HAL_IRDA_STATE_BUSY_TX)
{
hirda->State = HAL_IRDA_STATE_BUSY_TX_RX;
}
else
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
/* Process Unlocked */
__HAL_UNLOCK(hirda);
/* Enable the IRDA Data Register not empty Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_RXNE);
/* Enable the IRDA Parity Error Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_PE);
/* Enable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_ERR);
return HAL_OK;
}
else
{
return HAL_BUSY;
}
}
/**
* @brief Send an amount of data in interrupt mode
* @param hirda: IRDA handle
* @param pData: pointer to data buffer
* @param Size: amount of data to be sent
* @retval HAL status
*/
HAL_StatusTypeDef HAL_IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size)
{
if ((hirda->State == HAL_IRDA_STATE_READY) || (hirda->State == HAL_IRDA_STATE_BUSY_RX))
{
if((pData == NULL) || (Size == 0))
{
return HAL_ERROR;
}
/* Process Locked */
__HAL_LOCK(hirda);
hirda->pTxBuffPtr = pData;
hirda->TxXferSize = Size;
hirda->TxXferCount = Size;
hirda->ErrorCode = HAL_IRDA_ERROR_NONE;
if(hirda->State == HAL_IRDA_STATE_BUSY_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_TX_RX;
}
else
{
hirda->State = HAL_IRDA_STATE_BUSY_TX;
}
/* Enable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_ERR);
/* Process Unlocked */
__HAL_UNLOCK(hirda);
/* Enable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TC);
return HAL_OK;
}
else
{
return HAL_BUSY;
}
}
/**
* @brief DMA IRDA Tx transfer completed callback
* @param hdma: DMA handle
* @retval None
*/
static void IRDA_DMATransmitCplt(DMA_HandleTypeDef *hdma)
{
IRDA_HandleTypeDef* hirda = ( IRDA_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
hirda->TxXferCount = 0;
/* Disable the DMA transfer for transmit request by resetting the DMAT bit
in the IRDA CR3 register */
hirda->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAT);
/* Enable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TC);
}
/**
* @brief Send an amount of data in non-blocking mode.
* Function called under interruption only, once
* interruptions have been enabled by HAL_IRDA_Transmit_IT()
* @param hirda: Pointer to a IRDA_HandleTypeDef structure that contains
* the configuration information for the specified IRDA module.
* @retval HAL status
*/
static HAL_StatusTypeDef IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda)
{
uint16_t* tmp = 0;
uint32_t tmp_state = 0;
tmp_state = hirda->State;
if((tmp_state == HAL_IRDA_STATE_BUSY_TX) || (tmp_state == HAL_IRDA_STATE_BUSY_TX_RX))
{
if(hirda->Init.WordLength == IRDA_WORDLENGTH_9B)
{
tmp = (uint16_t*) hirda->pTxBuffPtr;
WRITE_REG(hirda->Instance->DR, (uint16_t)(*tmp & IRDA_DR_MASK_U16_9DATABITS));
if(hirda->Init.Parity == IRDA_PARITY_NONE)
{
hirda->pTxBuffPtr += 2;
}
else
{
hirda->pTxBuffPtr += 1;
}
}
else
{
WRITE_REG(hirda->Instance->DR, (uint8_t)(*hirda->pTxBuffPtr++ & IRDA_DR_MASK_U8_8DATABITS));
}
if(--hirda->TxXferCount == 0)
{
/* Disable the IRDA Transmit Data Register Empty Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TXE);
/* Enable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TC);
}
return HAL_OK;
}
else
{
return HAL_BUSY;
}
}
/**
* @brief Send an amount of data in non blocking mode.
* @param hirda: pointer to a IRDA_HandleTypeDef structure that contains
* the configuration information for the specified IRDA module.
* @retval HAL status
*/
static HAL_StatusTypeDef IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda)
{
uint16_t* tmp;
/* Check that a Tx process is ongoing */
if(hirda->gState == HAL_IRDA_STATE_BUSY_TX)
{
if(hirda->Init.WordLength == IRDA_WORDLENGTH_9B)
{
tmp = (uint16_t*) hirda->pTxBuffPtr;
hirda->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FFU);
if(hirda->Init.Parity == IRDA_PARITY_NONE)
{
hirda->pTxBuffPtr += 2U;
}
else
{
hirda->pTxBuffPtr += 1U;
}
}
else
{
hirda->Instance->DR = (uint8_t)(*hirda->pTxBuffPtr++ & (uint8_t)0x00FFU);
}
if(--hirda->TxXferCount == 0U)
{
/* Disable the IRDA Transmit Data Register Empty Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TXE);
/* Enable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TC);
}
return HAL_OK;
}
else
{
return HAL_BUSY;
}
}
/**
* @brief DMA IRDA transmit process complete callback.
* @param hdma: Pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA module.
* @retval None
*/
static void IRDA_DMATransmitCplt(DMA_HandleTypeDef *hdma)
{
IRDA_HandleTypeDef* hirda = ( IRDA_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
/* DMA Normal mode */
if ( HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC) )
{
hirda->TxXferCount = 0;
/* Disable the DMA transfer for transmit request by setting the DMAT bit
in the IRDA CR3 register */
CLEAR_BIT(hirda->Instance->CR3, USART_CR3_DMAT);
/* Enable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TC);
}
/* DMA Circular mode */
else
{
HAL_IRDA_TxCpltCallback(hirda);
}
}
/**
* @brief Receive an amount of data in non blocking mode.
* Function called under interruption only, once
* interruptions have been enabled by HAL_IRDA_Transmit_IT()
* @param hirda: IRDA handle
* @retval HAL status
*/
static HAL_StatusTypeDef IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda)
{
uint16_t* tmp;
if((hirda->State == HAL_IRDA_STATE_BUSY_TX) || (hirda->State == HAL_IRDA_STATE_BUSY_TX_RX))
{
if(hirda->TxXferCount == 0)
{
/* Disable the IRDA Transmit Data Register Empty Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TXE);
/* Enable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_ENABLE_IT(hirda, IRDA_IT_TC);
return HAL_OK;
}
else
{
if ((hirda->Init.WordLength == IRDA_WORDLENGTH_9B) && (hirda->Init.Parity == IRDA_PARITY_NONE))
{
tmp = (uint16_t*) hirda->pTxBuffPtr;
hirda->Instance->TDR = (*tmp & (uint16_t)0x01FF);
hirda->pTxBuffPtr += 2;
}
else
{
hirda->Instance->TDR = (uint8_t)(*hirda->pTxBuffPtr++ & (uint8_t)0xFF);
}
hirda->TxXferCount--;
return HAL_OK;
}
}
else
{
return HAL_BUSY;
}
}