/**
* @brief DMA IRDA receive process complete callback.
* @param hdma: DMA handle
* @retval None
*/
static void IRDA_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
{
IRDA_HandleTypeDef* hirda = ( IRDA_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
/* DMA Normal mode */
if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0U)
{
hirda->RxXferCount = 0U;
/* Disable the DMA transfer for the receiver request by setting the DMAR bit
in the IRDA CR3 register */
hirda->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAR);
/* At end of Rx process, restore hirda->RxState to Ready */
hirda->RxState = HAL_IRDA_STATE_READY;
}
HAL_IRDA_RxCpltCallback(hirda);
}
/**
* @brief DMA IRDA Rx Transfer completed callback
* @param hdma: DMA handle
* @retval None
*/
static void IRDA_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
{
IRDA_HandleTypeDef* hirda = ( IRDA_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
hirda->RxXferCount = 0;
/* Disable the DMA transfer for the receiver request by setting the DMAR bit
in the IRDA CR3 register */
hirda->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_DMAR);
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_TX;
}
else
{
hirda->State = HAL_IRDA_STATE_READY;
}
HAL_IRDA_RxCpltCallback(hirda);
}
/**
* @brief DMA IRDA receive 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_DMAReceiveCplt(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->RxXferCount = 0;
/* Disable the DMA transfer for the receiver request by setting the DMAR bit
in the IRDA CR3 register */
CLEAR_BIT(hirda->Instance->CR3, USART_CR3_DMAR);
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_TX;
}
else
{
hirda->State = HAL_IRDA_STATE_READY;
}
}
HAL_IRDA_RxCpltCallback(hirda);
}
/**
* @brief Receive 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_Receive_IT(IRDA_HandleTypeDef *hirda)
{
uint16_t* tmp = 0;
uint32_t tmp_state = 0;
tmp_state = hirda->State;
if((tmp_state == HAL_IRDA_STATE_BUSY_RX) || (tmp_state == HAL_IRDA_STATE_BUSY_TX_RX))
{
if(hirda->Init.WordLength == IRDA_WORDLENGTH_9B)
{
tmp = (uint16_t*) hirda->pRxBuffPtr;
if(hirda->Init.Parity == IRDA_PARITY_NONE)
{
*tmp = (uint16_t)(hirda->Instance->DR & IRDA_DR_MASK_U16_9DATABITS);
hirda->pRxBuffPtr += 2;
}
else
{
*tmp = (uint16_t)(hirda->Instance->DR & IRDA_DR_MASK_U16_8DATABITS);
hirda->pRxBuffPtr += 1;
}
}
else
{
if(hirda->Init.Parity == IRDA_PARITY_NONE)
{
*hirda->pRxBuffPtr++ = (uint8_t)(hirda->Instance->DR & IRDA_DR_MASK_U8_8DATABITS);
}
else
{
*hirda->pRxBuffPtr++ = (uint8_t)(hirda->Instance->DR & IRDA_DR_MASK_U8_7DATABITS);
}
}
if(--hirda->RxXferCount == 0)
{
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_RXNE);
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_TX;
}
else
{
/* Disable the IRDA Parity Error Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_PE);
/* 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_RxCpltCallback(hirda);
return HAL_OK;
}
return HAL_OK;
}
else
{
return HAL_BUSY;
}
}
/**
* @brief Receives an amount of data in non blocking mode.
* @param hirda: IRDA handle
* @retval HAL status
*/
static HAL_StatusTypeDef IRDA_Receive_IT(IRDA_HandleTypeDef *hirda)
{
uint16_t* tmp;
uint32_t tmp1 = 0;
tmp1 = hirda->State;
if((tmp1 == HAL_IRDA_STATE_BUSY_RX) || (tmp1 == HAL_IRDA_STATE_BUSY_TX_RX))
{
/* Process Locked */
__HAL_LOCK(hirda);
if(hirda->Init.WordLength == IRDA_WORDLENGTH_9B)
{
tmp = (uint16_t*) hirda->pRxBuffPtr;
if(hirda->Init.Parity == IRDA_PARITY_NONE)
{
*tmp = (uint16_t)(hirda->Instance->DR & (uint16_t)0x01FF);
hirda->pRxBuffPtr += 2;
}
else
{
*tmp = (uint16_t)(hirda->Instance->DR & (uint16_t)0x00FF);
hirda->pRxBuffPtr += 1;
}
}
else
{
if(hirda->Init.Parity == IRDA_PARITY_NONE)
{
*hirda->pRxBuffPtr++ = (uint8_t)(hirda->Instance->DR & (uint8_t)0x00FF);
}
else
{
*hirda->pRxBuffPtr++ = (uint8_t)(hirda->Instance->DR & (uint8_t)0x007F);
}
}
if(--hirda->RxXferCount == 0)
{
while(HAL_IS_BIT_SET(hirda->Instance->SR, IRDA_FLAG_RXNE))
{
}
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_RXNE);
if(hirda->State == HAL_IRDA_STATE_BUSY_TX_RX)
{
hirda->State = HAL_IRDA_STATE_BUSY_TX;
}
else
{
/* Disable the IRDA Parity Error Interrupt */
__HAL_IRDA_DISABLE_IT(hirda, IRDA_IT_PE);
/* 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 Rx call back API to give the possibiity to
start again the receiption under the Rx call back API */
__HAL_UNLOCK(hirda);
HAL_IRDA_RxCpltCallback(hirda);
return HAL_OK;
}
/* Process Unlocked */
__HAL_UNLOCK(hirda);
return HAL_OK;
}
else
{
return HAL_BUSY;
}
}
