/**
* @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 setting the DMAT bit
in the IRDA CR3 register */
hirda->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAT);
/* Wait for IRDA TC Flag */
if(IRDA_WaitOnFlagUntilTimeout(hirda, IRDA_FLAG_TC, RESET, IRDA_TXDMA_TIMEOUTVALUE) != HAL_OK)
{
/* Timeout Occured */
HAL_IRDA_ErrorCallback(hirda);
}
else
{
/* No Timeout */
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
else
{
hirda->State = HAL_IRDA_STATE_READY;
}
HAL_IRDA_TxCpltCallback(hirda);
}
}
/**
* @brief Wraps up transmission 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_EndTransmit_IT(IRDA_HandleTypeDef *hirda)
{
/* Disable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TC);
/* Check if a receive process is ongoing or not */
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
else
{
/* Disable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR);
/* Disable the IRDA Parity Error Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_PE);
hirda->State = HAL_IRDA_STATE_READY;
}
HAL_IRDA_TxCpltCallback(hirda);
return HAL_OK;
}
/**
* @brief DMA IRDA transmit process complete 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;
/* Wait for IRDA TC Flag */
if(IRDA_WaitOnFlagUntilTimeout(hirda, IRDA_FLAG_TC, RESET, IRDA_TIMEOUT_VALUE) != HAL_OK)
{
/* Timeout Occured */
hirda->State = HAL_IRDA_STATE_TIMEOUT;
HAL_IRDA_ErrorCallback(hirda);
}
else
{
/* No Timeout */
/* Check if a receive process is ongoing or not */
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
else
{
hirda->State = HAL_IRDA_STATE_READY;
}
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))
{
__HAL_LOCK(hirda);
if(hirda->TxXferCount == 0)
{
/* Disable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TC);
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
else
{
/* Disable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR);
hirda->State = HAL_IRDA_STATE_READY;
}
/* Call the Process Unlocked before calling the Tx call back API to give the possibiity to
start again the Transmission under the Tx call back API */
__HAL_UNLOCK(hirda);
HAL_IRDA_TxCpltCallback(hirda);
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--;
/* Process Unlocked */
__HAL_UNLOCK(hirda);
return HAL_OK;
}
}
else
{
return HAL_BUSY;
}
}
/**
* @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);
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
else
{
/* Disable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR);
hirda->State = HAL_IRDA_STATE_READY;
}
/* Wait on TC flag to be able to start a second transfer */
if(IRDA_WaitOnFlagUntilTimeout(hirda, IRDA_IT_TC, RESET, IRDA_TIMEOUT_VALUE) != HAL_OK)
{
return HAL_TIMEOUT;
}
HAL_IRDA_TxCpltCallback(hirda);
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;
}
}
/**
* @brief Wrap up transmission 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_EndTransmit_IT(IRDA_HandleTypeDef *hirda)
{
/* Disable the IRDA Transmit Complete Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TC);
/* Tx process is ended, restore hirda->gState to Ready */
hirda->gState = HAL_IRDA_STATE_READY;
HAL_IRDA_TxCpltCallback(hirda);
return HAL_OK;
}
/**
* @brief DMA IRDA transmit process complete callback.
* @param hdma : DMA handle
* @retval None
*/
static void IRDA_DMATransmitCplt(DMA_HandleTypeDef *hdma)
{
IRDA_HandleTypeDef* hirda = ( IRDA_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
/* DMA Normal mode */
if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0)
{
hirda->TxXferCount = 0;
/* Disable the DMA transfer for transmit request by setting the DMAT bit
in the IRDA CR3 register */
hirda->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAT);
/* Wait for IRDA TC Flag */
if(IRDA_WaitOnFlagUntilTimeout(hirda, IRDA_FLAG_TC, RESET, IRDA_TIMEOUT_VALUE) != HAL_OK)
{
/* Timeout occurred */
hirda->State = HAL_IRDA_STATE_TIMEOUT;
HAL_IRDA_ErrorCallback(hirda);
}
else
{
/* No Timeout */
/* Check if a receive process is ongoing or not */
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
else
{
hirda->State = HAL_IRDA_STATE_READY;
}
HAL_IRDA_TxCpltCallback(hirda);
}
}
/* 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 Complete Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_TXE);
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_RX;
}
else
{
/* Disable the IRDA Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_ERR);
hirda->State = HAL_IRDA_STATE_READY;
}
HAL_IRDA_TxCpltCallback(hirda);
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;
}
}
/**
* @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);
}
}
