Input and Output operation functions. More...

Functions
HAL_StatusTypeDef	HAL_DMA_Start (DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength)
	Start the DMA Transfer.
HAL_StatusTypeDef	HAL_DMA_Start_IT (DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength)
	Start the DMA Transfer with interrupt enabled.
HAL_StatusTypeDef	HAL_DMA_Abort (DMA_HandleTypeDef *hdma)
	Abort the DMA Transfer.
HAL_StatusTypeDef	HAL_DMA_Abort_IT (DMA_HandleTypeDef *hdma)
	Aborts the DMA Transfer in Interrupt mode.
HAL_StatusTypeDef	HAL_DMA_PollForTransfer (DMA_HandleTypeDef *hdma, HAL_DMA_LevelCompleteTypeDef CompleteLevel, uint32_t Timeout)
	Polling for transfer complete.
void	HAL_DMA_IRQHandler (DMA_HandleTypeDef *hdma)
	Handle DMA interrupt request.
HAL_StatusTypeDef	HAL_DMA_RegisterCallback (DMA_HandleTypeDef hdma, HAL_DMA_CallbackIDTypeDef CallbackID, void(pCallback)(DMA_HandleTypeDef *_hdma))
	Register callbacks.
HAL_StatusTypeDef	HAL_DMA_UnRegisterCallback (DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID)
	UnRegister callbacks.

Detailed Description

Input and Output operation functions.

 ===============================================================================
                      #####  IO operation functions  #####
 ===============================================================================
    [..]  This section provides functions allowing to:
      (+) Configure the source, destination address and data length and Start DMA transfer
      (+) Configure the source, destination address and data length and
          Start DMA transfer with interrupt
      (+) Abort DMA transfer
      (+) Poll for transfer complete
      (+) Handle DMA interrupt request

Function Documentation

HAL_StatusTypeDef HAL_DMA_Abort ( DMA_HandleTypeDef * hdma )

Abort the DMA Transfer.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.

Return values:

HAL status

Definition at line 563 of file stm32l4xx_hal_dma.c.

References __HAL_DMA_DISABLE, __HAL_DMA_DISABLE_IT, __DMA_HandleTypeDef::ChannelIndex, DMA_IT_HT, DMA_IT_TC, DMA_IT_TE, __DMA_HandleTypeDef::DmaBaseAddress, HAL_DMA_STATE_READY, and __DMA_HandleTypeDef::State.

Referenced by HAL_ADC_Stop_DMA(), HAL_ADCEx_MultiModeStop_DMA(), HAL_ADCEx_RegularMultiModeStop_DMA(), HAL_ADCEx_RegularStop_DMA(), HAL_DAC_Stop_DMA(), HAL_DFSDM_FilterInjectedStop_DMA(), HAL_DFSDM_FilterRegularStop_DMA(), HAL_IRDA_Abort(), HAL_IRDA_AbortReceive(), HAL_IRDA_AbortTransmit(), HAL_IRDA_DMAStop(), HAL_QSPI_Abort(), HAL_SAI_Abort(), HAL_SAI_DMAStop(), HAL_SD_Abort(), HAL_SMARTCARD_Abort(), HAL_SMARTCARD_AbortReceive(), HAL_SMARTCARD_AbortTransmit(), HAL_SPI_Abort(), HAL_SPI_DMAStop(), HAL_SWPMI_DMAStop(), HAL_TIM_DMABurst_ReadStop(), HAL_TIM_DMABurst_WriteStop(), HAL_UART_Abort(), HAL_UART_AbortReceive(), HAL_UART_AbortTransmit(), HAL_UART_DMAStop(), HAL_USART_Abort(), and HAL_USART_DMAStop().

HAL_StatusTypeDef HAL_DMA_Abort_IT ( DMA_HandleTypeDef * hdma )

Aborts the DMA Transfer in Interrupt mode.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.

Return values:

HAL status

Definition at line 618 of file stm32l4xx_hal_dma.c.

References __HAL_DMA_DISABLE, __HAL_DMA_DISABLE_IT, __DMA_HandleTypeDef::ChannelIndex, DMA_IT_HT, DMA_IT_TC, DMA_IT_TE, __DMA_HandleTypeDef::DmaBaseAddress, __DMA_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_NO_XFER, HAL_DMA_STATE_BUSY, HAL_DMA_STATE_READY, __DMA_HandleTypeDef::State, and __DMA_HandleTypeDef::XferAbortCallback.

Referenced by HAL_I2C_Slave_Sequential_Receive_DMA(), HAL_I2C_Slave_Sequential_Receive_IT(), HAL_I2C_Slave_Sequential_Transmit_DMA(), HAL_I2C_Slave_Sequential_Transmit_IT(), HAL_IRDA_Abort_IT(), HAL_IRDA_AbortReceive_IT(), HAL_IRDA_AbortTransmit_IT(), HAL_IRDA_IRQHandler(), HAL_QSPI_Abort_IT(), HAL_QSPI_IRQHandler(), HAL_SAI_IRQHandler(), HAL_SD_Abort_IT(), HAL_SD_IRQHandler(), HAL_SMARTCARD_Abort_IT(), HAL_SMARTCARD_AbortReceive_IT(), HAL_SMARTCARD_AbortTransmit_IT(), HAL_SMARTCARD_IRQHandler(), HAL_SPI_Abort_IT(), HAL_SPI_IRQHandler(), HAL_SWPMI_IRQHandler(), HAL_UART_Abort_IT(), HAL_UART_AbortReceive_IT(), HAL_UART_AbortTransmit_IT(), HAL_UART_IRQHandler(), HAL_USART_Abort_IT(), HAL_USART_IRQHandler(), and I2C_ITError().

void HAL_DMA_IRQHandler ( DMA_HandleTypeDef * hdma )

Handle DMA interrupt request.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.

Return values:

None

Definition at line 815 of file stm32l4xx_hal_dma.c.

References __HAL_DMA_DISABLE_IT, __DMA_HandleTypeDef::ChannelIndex, DMA_FLAG_HT1, DMA_FLAG_TC1, DMA_FLAG_TE1, DMA_IT_HT, DMA_IT_TC, DMA_IT_TE, __DMA_HandleTypeDef::DmaBaseAddress, __DMA_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_TE, HAL_DMA_STATE_READY, __DMA_HandleTypeDef::Instance, __DMA_HandleTypeDef::State, __DMA_HandleTypeDef::XferCpltCallback, __DMA_HandleTypeDef::XferErrorCallback, and __DMA_HandleTypeDef::XferHalfCpltCallback.

HAL_StatusTypeDef HAL_DMA_PollForTransfer	(	DMA_HandleTypeDef *	hdma,
		HAL_DMA_LevelCompleteTypeDef	CompleteLevel,
		uint32_t	Timeout
	)

Polling for transfer complete.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.
CompleteLevel	Specifies the DMA level complete.
Timeout	Timeout duration.

Return values:

HAL status

Definition at line 685 of file stm32l4xx_hal_dma.c.

References __DMA_HandleTypeDef::ChannelIndex, DMA_FLAG_HT1, DMA_FLAG_TC1, DMA_FLAG_TE1, __DMA_HandleTypeDef::DmaBaseAddress, __DMA_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_NO_XFER, HAL_DMA_ERROR_NOT_SUPPORTED, HAL_DMA_ERROR_REQGEN, HAL_DMA_ERROR_SYNC, HAL_DMA_ERROR_TE, HAL_DMA_ERROR_TIMEOUT, HAL_DMA_FULL_TRANSFER, HAL_DMA_STATE_BUSY, HAL_DMA_STATE_READY, HAL_GetTick(), __DMA_HandleTypeDef::Instance, and __DMA_HandleTypeDef::State.

HAL_StatusTypeDef HAL_DMA_RegisterCallback	(	DMA_HandleTypeDef *	hdma,
		HAL_DMA_CallbackIDTypeDef	CallbackID,
		void()(DMA_HandleTypeDef _hdma)	pCallback
	)

Register callbacks.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.
CallbackID	User Callback identifer a HAL_DMA_CallbackIDTypeDef ENUM as parameter.
pCallback	pointer to private callbacsk function which has pointer to a DMA_HandleTypeDef structure as parameter.

Return values:

HAL status

Definition at line 909 of file stm32l4xx_hal_dma.c.

References HAL_DMA_STATE_READY, HAL_DMA_XFER_ABORT_CB_ID, HAL_DMA_XFER_CPLT_CB_ID, HAL_DMA_XFER_ERROR_CB_ID, HAL_DMA_XFER_HALFCPLT_CB_ID, __DMA_HandleTypeDef::State, __DMA_HandleTypeDef::XferAbortCallback, __DMA_HandleTypeDef::XferCpltCallback, __DMA_HandleTypeDef::XferErrorCallback, and __DMA_HandleTypeDef::XferHalfCpltCallback.

HAL_StatusTypeDef HAL_DMA_Start	(	DMA_HandleTypeDef *	hdma,
		uint32_t	SrcAddress,
		uint32_t	DstAddress,
		uint32_t	DataLength
	)

Start the DMA Transfer.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.
SrcAddress	The source memory Buffer address
DstAddress	The destination memory Buffer address
DataLength	The length of data to be transferred from source to destination

Return values:

HAL status

Definition at line 447 of file stm32l4xx_hal_dma.c.

References __HAL_DMA_DISABLE, __HAL_DMA_ENABLE, assert_param, DMA_SetConfig(), __DMA_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_NONE, HAL_DMA_STATE_BUSY, HAL_DMA_STATE_READY, IS_DMA_BUFFER_SIZE, and __DMA_HandleTypeDef::State.

HAL_StatusTypeDef HAL_DMA_Start_IT	(	DMA_HandleTypeDef *	hdma,
		uint32_t	SrcAddress,
		uint32_t	DstAddress,
		uint32_t	DataLength
	)

Start the DMA Transfer with interrupt enabled.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.
SrcAddress	The source memory Buffer address
DstAddress	The destination memory Buffer address
DataLength	The length of data to be transferred from source to destination

Return values:

HAL status

Definition at line 490 of file stm32l4xx_hal_dma.c.

References __HAL_DMA_DISABLE, __HAL_DMA_DISABLE_IT, __HAL_DMA_ENABLE, __HAL_DMA_ENABLE_IT, assert_param, DMA_IT_HT, DMA_IT_TC, DMA_IT_TE, DMA_SetConfig(), __DMA_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_NONE, HAL_DMA_STATE_BUSY, HAL_DMA_STATE_READY, IS_DMA_BUFFER_SIZE, __DMA_HandleTypeDef::State, and __DMA_HandleTypeDef::XferHalfCpltCallback.

Referenced by CRYP_Authentication_SetDMAConfig(), CRYP_SetDMAConfig(), HAL_ADC_Start_DMA(), HAL_ADCEx_MultiModeStart_DMA(), HAL_DAC_Start_DMA(), HAL_DFSDM_FilterInjectedMsbStart_DMA(), HAL_DFSDM_FilterInjectedStart_DMA(), HAL_DFSDM_FilterRegularMsbStart_DMA(), HAL_DFSDM_FilterRegularStart_DMA(), HAL_I2C_Master_Receive_DMA(), HAL_I2C_Master_Sequential_Receive_DMA(), HAL_I2C_Master_Sequential_Transmit_DMA(), HAL_I2C_Master_Transmit_DMA(), HAL_I2C_Mem_Read_DMA(), HAL_I2C_Mem_Write_DMA(), HAL_I2C_Slave_Receive_DMA(), HAL_I2C_Slave_Sequential_Receive_DMA(), HAL_I2C_Slave_Sequential_Transmit_DMA(), HAL_I2C_Slave_Transmit_DMA(), HAL_IRDA_Receive_DMA(), HAL_IRDA_Transmit_DMA(), HAL_QSPI_Receive_DMA(), HAL_QSPI_Transmit_DMA(), HAL_SAI_Receive_DMA(), HAL_SAI_Transmit_DMA(), HAL_SD_ReadBlocks_DMA(), HAL_SD_WriteBlocks_DMA(), HAL_SMARTCARD_Receive_DMA(), HAL_SMARTCARD_Transmit_DMA(), HAL_SPI_Receive_DMA(), HAL_SPI_Transmit_DMA(), HAL_SPI_TransmitReceive_DMA(), HAL_SRAM_Read_DMA(), HAL_SRAM_Write_DMA(), HAL_SWPMI_Receive_DMA(), HAL_SWPMI_Transmit_DMA(), HAL_TIM_Base_Start_DMA(), HAL_TIM_DMABurst_ReadStart(), HAL_TIM_DMABurst_WriteStart(), HAL_TIM_Encoder_Start_DMA(), HAL_TIM_IC_Start_DMA(), HAL_TIM_OC_Start_DMA(), HAL_TIM_PWM_Start_DMA(), HAL_TIMEx_HallSensor_Start_DMA(), HAL_TIMEx_OCN_Start_DMA(), HAL_TIMEx_PWMN_Start_DMA(), HAL_UART_Receive_DMA(), HAL_UART_Transmit_DMA(), HAL_USART_Receive_DMA(), HAL_USART_Transmit_DMA(), HAL_USART_TransmitReceive_DMA(), I2C_DMAMasterReceiveCplt(), and I2C_DMAMasterTransmitCplt().

HAL_StatusTypeDef HAL_DMA_UnRegisterCallback	(	DMA_HandleTypeDef *	hdma,
		HAL_DMA_CallbackIDTypeDef	CallbackID
	)

UnRegister callbacks.

Parameters:

hdma	pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.
CallbackID	User Callback identifer a HAL_DMA_CallbackIDTypeDef ENUM as parameter.

Return values:

HAL status

Definition at line 960 of file stm32l4xx_hal_dma.c.

References HAL_DMA_STATE_READY, HAL_DMA_XFER_ABORT_CB_ID, HAL_DMA_XFER_ALL_CB_ID, HAL_DMA_XFER_CPLT_CB_ID, HAL_DMA_XFER_ERROR_CB_ID, HAL_DMA_XFER_HALFCPLT_CB_ID, __DMA_HandleTypeDef::State, __DMA_HandleTypeDef::XferAbortCallback, __DMA_HandleTypeDef::XferCpltCallback, __DMA_HandleTypeDef::XferErrorCallback, and __DMA_HandleTypeDef::XferHalfCpltCallback.

Functions

Detailed Description

Function Documentation