/**
* @brief Abort the DMA Transfer.
* @param hdma: pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA Channel.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DMA_Abort(DMA_HandleTypeDef *hdma)
{
HAL_StatusTypeDef status = HAL_OK;
if(HAL_DMA_STATE_BUSY != hdma->State)
{
/* no transfer ongoing */
hdma->ErrorCode = HAL_DMA_ERROR_NO_XFER;
status = HAL_ERROR;
}
else
{
/* Disable DMA IT */
__HAL_DMA_DISABLE_IT(hdma, (DMA_IT_TC | DMA_IT_HT | DMA_IT_TE));
/* Disable the channel */
__HAL_DMA_DISABLE(hdma);
/* Clear all flags */
hdma->DmaBaseAddress->IFCR = (DMA_ISR_GIF1 << hdma->ChannelIndex);
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
}
return status;
}
/**
* @brief Start the DMA Transfer with interrupt enabled.
* @param hdma: pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA Channel.
* @param SrcAddress: The source memory Buffer address
* @param DstAddress: The destination memory Buffer address
* @param DataLength: The length of data to be transferred from source to destination
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DMA_Start_IT(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength)
{
HAL_StatusTypeDef status = HAL_OK;
/* Check the parameters */
assert_param(IS_DMA_BUFFER_SIZE(DataLength));
/* Process locked */
__HAL_LOCK(hdma);
if(HAL_DMA_STATE_READY == hdma->State)
{
/* Change DMA peripheral state */
hdma->State = HAL_DMA_STATE_BUSY;
hdma->ErrorCode = HAL_DMA_ERROR_NONE;
/* Disable the peripheral */
__HAL_DMA_DISABLE(hdma);
/* Configure the source, destination address and the data length & clear flags*/
DMA_SetConfig(hdma, SrcAddress, DstAddress, DataLength);
/* Enable the transfer complete interrupt */
/* Enable the transfer Error interrupt */
if(NULL != hdma->XferHalfCpltCallback)
{
/* Enable the Half transfer complete interrupt as well */
__HAL_DMA_ENABLE_IT(hdma, (DMA_IT_TC | DMA_IT_HT | DMA_IT_TE));
}
else
{
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_HT);
__HAL_DMA_ENABLE_IT(hdma, (DMA_IT_TC | DMA_IT_TE));
}
/* Enable the Peripheral */
__HAL_DMA_ENABLE(hdma);
}
else
{
/* Process Unlocked */
__HAL_UNLOCK(hdma);
/* Remain BUSY */
status = HAL_BUSY;
}
return status;
}
/**
* @brief Manage the SPI transmit
* @param TransmitRequest: the transmit request
* @retval None
*/
static void SPI_Transmit_Manager(SPI_TRANSMIT_REQUEST_t TransmitRequest)
{
/*
* Disable both DMA
*/
__HAL_DMA_DISABLE(SPI_Context.hspi->hdmatx);
__HAL_DMA_DISABLE(SPI_Context.hspi->hdmarx);
__HAL_DMA_DISABLE_IT(SPI_Context.hspi->hdmarx, DMA_IT_TC); /**< Disable Receive packet notification */
__HAL_DMA_CLEAR_FLAG(SPI_Context.hspi->hdmatx, BNRG_SPI_TX_DMA_TC_FLAG); /**< Clear flag in DMA */
HAL_NVIC_ClearPendingIRQ(BNRG_SPI_DMA_TX_IRQn); /**< Clear DMA pending bit in NVIC */
__HAL_DMA_ENABLE_IT(SPI_Context.hspi->hdmatx, DMA_IT_TC); /**< Enable Transmit packet notification */
__HAL_BLUENRG_DMA_SET_MINC(SPI_Context.hspi->hdmatx); /**< Configure DMA to send Tx packet */
switch (TransmitRequest)
{
case SPI_HEADER_TRANSMIT:
SPI_Context.SPI_Transmit_Context.Spi_Transmit_Event = SPI_HEADER_TRANSMITTED;
#ifdef ENABLE_SPI_FIX
set_irq_as_input();
#endif
__HAL_BLUENRG_DMA_SET_COUNTER(SPI_Context.hspi->hdmatx, SPI_Context.SPI_Transmit_Context.header_size); /**< Set counter in DMA TX */
__HAL_BLUENRG_DMA_SET_MEMORY_ADDRESS(SPI_Context.hspi->hdmatx, (uint32_t)SPI_Context.SPI_Transmit_Context.header_data); /**< Set memory address in DMA TX */
break;
case SPI_PAYLOAD_TRANSMIT:
SPI_Context.SPI_Transmit_Context.Spi_Transmit_Event = SPI_PAYLOAD_TRANSMITTED;
__HAL_BLUENRG_DMA_SET_COUNTER(SPI_Context.hspi->hdmatx, SPI_Context.SPI_Transmit_Context.payload_size_to_transmit); /**< Set counter in DMA TX */
__HAL_BLUENRG_DMA_SET_MEMORY_ADDRESS(SPI_Context.hspi->hdmatx, (uint32_t)SPI_Context.SPI_Transmit_Context.payload_data); /**< Set memory address in DMA TX */
break;
default:
break;
}
__HAL_DMA_ENABLE(SPI_Context.hspi->hdmatx); /**< Enable DMA TX */
}
/**
* @brief Abort the DMA Transfer.
* @param hdma: pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA Channel.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DMA_Abort(DMA_HandleTypeDef *hdma)
{
HAL_StatusTypeDef status = HAL_OK;
/* Disable DMA IT */
__HAL_DMA_DISABLE_IT(hdma, (DMA_IT_TC | DMA_IT_HT | DMA_IT_TE));
/* Disable the channel */
__HAL_DMA_DISABLE(hdma);
/* Clear all flags */
hdma->DmaBaseAddress->IFCR = (DMA_ISR_GIF1 << hdma->ChannelIndex);
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
return status;
}
/**
* @brief Aborts the DMA Transfer in Interrupt mode.
* @param hdma : pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA Channel.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_DMA_Abort_IT(DMA_HandleTypeDef *hdma)
{
HAL_StatusTypeDef status = HAL_OK;
if(HAL_DMA_STATE_BUSY != hdma->State)
{
/* no transfer ongoing */
hdma->ErrorCode = HAL_DMA_ERROR_NO_XFER;
status = HAL_ERROR;
}
else
{
/* Disable DMA IT */
__HAL_DMA_DISABLE_IT(hdma, (DMA_IT_TC | DMA_IT_HT | DMA_IT_TE));
/* Disable the channel */
__HAL_DMA_DISABLE(hdma);
/* Clear all flags */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_GI_FLAG_INDEX(hdma));
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
/* Call User Abort callback */
if(hdma->XferAbortCallback != NULL)
{
hdma->XferAbortCallback(hdma);
}
}
return status;
}
/**
* @brief Handles DMA interrupt request.
* @param hdma: pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA Channel.
* @retval None
*/
void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
{
uint32_t flag_it = hdma->DmaBaseAddress->ISR;
uint32_t source_it = hdma->Instance->CCR;
/* Half Transfer Complete Interrupt management ******************************/
if (((flag_it & (DMA_FLAG_HT1 << hdma->ChannelIndex)) != RESET) && ((source_it & DMA_IT_HT) != RESET))
{
/* Disable the half transfer interrupt if the DMA mode is not CIRCULAR */
if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U)
{
/* Disable the half transfer interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_HT);
}
/* Clear the half transfer complete flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma));
/* DMA peripheral state is not updated in Half Transfer */
/* but in Transfer Complete case */
if(hdma->XferHalfCpltCallback != NULL)
{
/* Half transfer callback */
hdma->XferHalfCpltCallback(hdma);
}
}
/* Transfer Complete Interrupt management ***********************************/
else if (((flag_it & (DMA_FLAG_TC1 << hdma->ChannelIndex)) != RESET) && ((source_it & DMA_IT_TC) != RESET))
{
if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U)
{
/* Disable the transfer complete and error interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_TE | DMA_IT_TC);
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_READY;
}
/* Clear the transfer complete flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma));
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferCpltCallback != NULL)
{
/* Transfer complete callback */
hdma->XferCpltCallback(hdma);
}
}
/* Transfer Error Interrupt management **************************************/
else if (( RESET != (flag_it & (DMA_FLAG_TE1 << hdma->ChannelIndex))) && (RESET != (source_it & DMA_IT_TE)))
{
/* When a DMA transfer error occurs */
/* A hardware clear of its EN bits is performed */
/* Disable ALL DMA IT */
__HAL_DMA_DISABLE_IT(hdma, (DMA_IT_TC | DMA_IT_HT | DMA_IT_TE));
/* Clear all flags */
hdma->DmaBaseAddress->IFCR = (DMA_ISR_GIF1 << hdma->ChannelIndex);
/* Update error code */
hdma->ErrorCode = HAL_DMA_ERROR_TE;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if (hdma->XferErrorCallback != NULL)
{
/* Transfer error callback */
hdma->XferErrorCallback(hdma);
}
}
return;
}
/**
* @brief Handles DMA interrupt request.
* @param hdma: pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA Channel.
* @retval None
*/
void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
{
/* Transfer Error Interrupt management ***************************************/
if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TE) != RESET)
{
/* Disable the transfer error interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_TE);
/* Clear the transfer error flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma));
/* Update error code */
SET_BIT(hdma->ErrorCode, HAL_DMA_ERROR_TE);
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_ERROR;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if (hdma->XferErrorCallback != NULL)
{
/* Transfer error callback */
hdma->XferErrorCallback(hdma);
}
}
}
/* Half Transfer Complete Interrupt management ******************************/
if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_HT) != RESET)
{
/* Disable the half transfer interrupt if the DMA mode is not CIRCULAR */
if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0)
{
/* Disable the half transfer interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_HT);
}
/* Clear the half transfer complete flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma));
/* Change DMA peripheral state */
hdma->State = HAL_DMA_STATE_READY_HALF;
if(hdma->XferHalfCpltCallback != NULL)
{
/* Half transfer callback */
hdma->XferHalfCpltCallback(hdma);
}
}
}
/* Transfer Complete Interrupt management ***********************************/
if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TC) != RESET)
{
if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0)
{
/* Disable the transfer complete interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_TC);
}
/* Clear the transfer complete flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma));
/* Update error code */
SET_BIT(hdma->ErrorCode, HAL_DMA_ERROR_NONE);
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferCpltCallback != NULL)
{
/* Transfer complete callback */
hdma->XferCpltCallback(hdma);
}
}
}
}
/**
* @brief Handles DMA interrupt request.
* @param hdma: pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA Stream.
* @retval None
*/
void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
{
/* Transfer Error Interrupt management ***************************************/
if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TE) != RESET)
{
/* Disable the transfer error interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_TE);
/* Clear the transfer error flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TE_FLAG_INDEX(hdma));
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_TE;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_ERROR;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferErrorCallback != NULL)
{
/* Transfer error callback */
hdma->XferErrorCallback(hdma);
}
}
}
/* FIFO Error Interrupt management ******************************************/
if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_FE_FLAG_INDEX(hdma)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_FE) != RESET)
{
/* Disable the FIFO Error interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_FE);
/* Clear the FIFO error flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_FE_FLAG_INDEX(hdma));
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_FE;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_ERROR;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferErrorCallback != NULL)
{
/* Transfer error callback */
hdma->XferErrorCallback(hdma);
}
}
}
/* Direct Mode Error Interrupt management ***********************************/
if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_DME_FLAG_INDEX(hdma)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_DME) != RESET)
{
/* Disable the direct mode Error interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_DME);
/* Clear the direct mode error flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_DME_FLAG_INDEX(hdma));
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_DME;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_ERROR;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferErrorCallback != NULL)
{
/* Transfer error callback */
hdma->XferErrorCallback(hdma);
}
}
}
/* Half Transfer Complete Interrupt management ******************************/
if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_HT) != RESET)
{
/* Multi_Buffering mode enabled */
if(((hdma->Instance->CR) & (uint32_t)(DMA_SxCR_DBM)) != 0)
{
/* Clear the half transfer complete flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma));
/* Current memory buffer used is Memory 0 */
if((hdma->Instance->CR & DMA_SxCR_CT) == 0)
{
/* Change DMA peripheral state */
hdma->State = HAL_DMA_STATE_READY_HALF_MEM0;
}
/* Current memory buffer used is Memory 1 */
else if((hdma->Instance->CR & DMA_SxCR_CT) != 0)
{
/* Change DMA peripheral state */
hdma->State = HAL_DMA_STATE_READY_HALF_MEM1;
}
}
else
{
/* Disable the half transfer interrupt if the DMA mode is not CIRCULAR */
if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0)
{
/* Disable the half transfer interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_HT);
}
/* Clear the half transfer complete flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_HT_FLAG_INDEX(hdma));
/* Change DMA peripheral state */
hdma->State = HAL_DMA_STATE_READY_HALF_MEM0;
}
if(hdma->XferHalfCpltCallback != NULL)
{
/* Half transfer callback */
hdma->XferHalfCpltCallback(hdma);
}
}
}
/* Transfer Complete Interrupt management ***********************************/
if(__HAL_DMA_GET_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TC) != RESET)
{
if(((hdma->Instance->CR) & (uint32_t)(DMA_SxCR_DBM)) != 0)
{
/* Clear the transfer complete flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma));
/* Current memory buffer used is Memory 1 */
if((hdma->Instance->CR & DMA_SxCR_CT) == 0)
{
if(hdma->XferM1CpltCallback != NULL)
{
/* Transfer complete Callback for memory1 */
hdma->XferM1CpltCallback(hdma);
}
}
/* Current memory buffer used is Memory 0 */
else if((hdma->Instance->CR & DMA_SxCR_CT) != 0)
{
if(hdma->XferCpltCallback != NULL)
{
/* Transfer complete Callback for memory0 */
hdma->XferCpltCallback(hdma);
}
}
}
/* Disable the transfer complete interrupt if the DMA mode is not CIRCULAR */
else
{
if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0)
{
/* Disable the transfer complete interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_TC);
}
/* Clear the transfer complete flag */
__HAL_DMA_CLEAR_FLAG(hdma, __HAL_DMA_GET_TC_FLAG_INDEX(hdma));
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_NONE;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_READY_MEM0;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferCpltCallback != NULL)
{
/* Transfer complete callback */
hdma->XferCpltCallback(hdma);
}
}
}
}
}
/**
* @brief Manage the SPI receive
* @param ReceiveRequest: the receive request
* @retval None
*/
static void SPI_Receive_Manager(SPI_RECEIVE_REQUEST_t ReceiveRequest)
{
uint16_t byte_count;
uint8_t localloop;
/*
* Disable both DMA
*/
__HAL_DMA_DISABLE(SPI_Context.hspi->hdmatx);
__HAL_DMA_DISABLE(SPI_Context.hspi->hdmarx);
/**
* Flush the Rx register or FIFO
*/
for (localloop = 0 ; localloop < SPI_FIFO_RX_DEPTH ; localloop++)
{
*(volatile uint8_t*)__HAL_BLUENRG_SPI_GET_RX_DATA_REGISTER_ADDRESS(SPI_Context.hspi);
}
__HAL_DMA_ENABLE_IT(SPI_Context.hspi->hdmarx, DMA_IT_TC); /**< Enable Receive packet notification */
__HAL_DMA_DISABLE_IT(SPI_Context.hspi->hdmatx, DMA_IT_TC); /**< Disable Transmit packet notification */
switch (ReceiveRequest)
{
case SPI_REQUEST_VALID_HEADER_FOR_RX:
ReceiveHeader(SPI_CHECK_RECEIVED_HEADER_FOR_RX, (uint8_t *)Read_Header_CMD);
break;
case SPI_REQUEST_VALID_HEADER_FOR_TX:
ReceiveHeader(SPI_CHECK_RECEIVED_HEADER_FOR_TX, (uint8_t *)Write_Header_CMD);
break;
case SPI_REQUEST_PAYLOAD:
SPI_Context.SPI_Receive_Context.Spi_Receive_Event = SPI_RECEIVE_END;
/*
* Check data to received is not available buffer size
*/
byte_count = (Received_Header[4]<<8)|Received_Header[3];
if (byte_count > SPI_Context.SPI_Receive_Context.buffer_size)
{
byte_count = SPI_Context.SPI_Receive_Context.buffer_size;
}
SPI_Context.SPI_Receive_Context.payload_len = byte_count;
__HAL_BLUENRG_DMA_CLEAR_MINC(SPI_Context.hspi->hdmatx); /**< Configure DMA to send same Byte */
/*
* Set counter in both DMA
*/
__HAL_BLUENRG_DMA_SET_COUNTER(SPI_Context.hspi->hdmarx, byte_count);
__HAL_BLUENRG_DMA_SET_COUNTER(SPI_Context.hspi->hdmatx, byte_count);
/*
* Set memory address in both DMA
*/
__HAL_BLUENRG_DMA_SET_MEMORY_ADDRESS(SPI_Context.hspi->hdmarx, (uint32_t)SPI_Context.SPI_Receive_Context.buffer);
__HAL_BLUENRG_DMA_SET_MEMORY_ADDRESS(SPI_Context.hspi->hdmatx, (uint32_t)&dummy_bytes);
break;
default:
break;
}
/*
* Enable both DMA - Rx First
*/
__HAL_DMA_ENABLE(SPI_Context.hspi->hdmarx);
__HAL_DMA_ENABLE(SPI_Context.hspi->hdmatx);
return;
}
/**
* @brief Handles DMA interrupt request.
* @param hdma: pointer to a DMA_HandleTypeDef structure that contains
* the configuration information for the specified DMA Stream.
* @retval None
*/
void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
{
/* calculate DMA base and stream number */
DMA_Base_Registers *regs;
regs = (DMA_Base_Registers *)hdma->StreamBaseAddress;
/* Transfer Error Interrupt management ***************************************/
if ((regs->ISR & (DMA_FLAG_TEIF0_4 << hdma->StreamIndex)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TE) != RESET)
{
/* Disable the transfer error interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_TE);
/* Clear the transfer error flag */
regs->IFCR = DMA_FLAG_TEIF0_4 << hdma->StreamIndex;
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_TE;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_ERROR;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferErrorCallback != NULL)
{
/* Transfer error callback */
hdma->XferErrorCallback(hdma);
}
}
}
/* FIFO Error Interrupt management ******************************************/
if ((regs->ISR & (DMA_FLAG_FEIF0_4 << hdma->StreamIndex)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_FE) != RESET)
{
/* Disable the FIFO Error interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_FE);
/* Clear the FIFO error flag */
regs->IFCR = DMA_FLAG_FEIF0_4 << hdma->StreamIndex;
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_FE;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_ERROR;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferErrorCallback != NULL)
{
/* Transfer error callback */
hdma->XferErrorCallback(hdma);
}
}
}
/* Direct Mode Error Interrupt management ***********************************/
if ((regs->ISR & (DMA_FLAG_DMEIF0_4 << hdma->StreamIndex)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_DME) != RESET)
{
/* Disable the direct mode Error interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_DME);
/* Clear the direct mode error flag */
regs->IFCR = DMA_FLAG_DMEIF0_4 << hdma->StreamIndex;
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_DME;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_ERROR;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferErrorCallback != NULL)
{
/* Transfer error callback */
hdma->XferErrorCallback(hdma);
}
}
}
/* Half Transfer Complete Interrupt management ******************************/
if ((regs->ISR & (DMA_FLAG_HTIF0_4 << hdma->StreamIndex)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_HT) != RESET)
{
/* Multi_Buffering mode enabled */
if(((hdma->Instance->CR) & (uint32_t)(DMA_SxCR_DBM)) != 0U)
{
/* Clear the half transfer complete flag */
regs->IFCR = DMA_FLAG_HTIF0_4 << hdma->StreamIndex;
/* Current memory buffer used is Memory 0 */
if((hdma->Instance->CR & DMA_SxCR_CT) == 0U)
{
/* Change DMA peripheral state */
hdma->State = HAL_DMA_STATE_READY_HALF_MEM0;
}
/* Current memory buffer used is Memory 1 */
else if((hdma->Instance->CR & DMA_SxCR_CT) != 0U)
{
/* Change DMA peripheral state */
hdma->State = HAL_DMA_STATE_READY_HALF_MEM1;
}
}
else
{
/* Disable the half transfer interrupt if the DMA mode is not CIRCULAR */
if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0U)
{
/* Disable the half transfer interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_HT);
}
/* Clear the half transfer complete flag */
regs->IFCR = DMA_FLAG_HTIF0_4 << hdma->StreamIndex;
/* Change DMA peripheral state */
hdma->State = HAL_DMA_STATE_READY_HALF_MEM0;
}
if(hdma->XferHalfCpltCallback != NULL)
{
/* Half transfer callback */
hdma->XferHalfCpltCallback(hdma);
}
}
}
/* Transfer Complete Interrupt management ***********************************/
if ((regs->ISR & (DMA_FLAG_TCIF0_4 << hdma->StreamIndex)) != RESET)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TC) != RESET)
{
if(((hdma->Instance->CR) & (uint32_t)(DMA_SxCR_DBM)) != 0U)
{
/* Clear the transfer complete flag */
regs->IFCR = DMA_FLAG_TCIF0_4 << hdma->StreamIndex;
/* Current memory buffer used is Memory 0 */
if((hdma->Instance->CR & DMA_SxCR_CT) == 0U)
{
if(hdma->XferM1CpltCallback != NULL)
{
/* Transfer complete Callback for memory1 */
hdma->XferM1CpltCallback(hdma);
}
}
/* Current memory buffer used is Memory 1 */
else if((hdma->Instance->CR & DMA_SxCR_CT) != 0U)
{
if(hdma->XferCpltCallback != NULL)
{
/* Transfer complete Callback for memory0 */
hdma->XferCpltCallback(hdma);
}
}
}
/* Disable the transfer complete interrupt if the DMA mode is not CIRCULAR */
else
{
if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0U)
{
/* Disable the transfer complete interrupt */
__HAL_DMA_DISABLE_IT(hdma, DMA_IT_TC);
}
/* Clear the transfer complete flag */
regs->IFCR = DMA_FLAG_TCIF0_4 << hdma->StreamIndex;
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_NONE;
/* Change the DMA state */
hdma->State = HAL_DMA_STATE_READY_MEM0;
/* Process Unlocked */
__HAL_UNLOCK(hdma);
if(hdma->XferCpltCallback != NULL)
{
/* Transfer complete callback */
hdma->XferCpltCallback(hdma);
}
}
}
}
}
