Input and Output operation functions. More...

Functions
HAL_StatusTypeDef	HAL_EXT_DMA_Start (EXT_DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t Counts)
	Start the DMA Transfer. More...

HAL_StatusTypeDef	HAL_EXT_DMA_Start_IT (EXT_DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t Counts)
	Start the DMA Transfer with interrupt enabled. More...

HAL_StatusTypeDef	HAL_EXT_DMA_Abort (EXT_DMA_HandleTypeDef *hdma)
	Abort the DMA Transfer. More...

HAL_StatusTypeDef	HAL_EXT_DMA_Abort_IT (EXT_DMA_HandleTypeDef *hdma)
	Aborts the DMA Transfer in Interrupt mode. More...

HAL_StatusTypeDef	HAL_EXT_DMA_PollForTransfer (EXT_DMA_HandleTypeDef *hdma, HAL_EXT_DMA_LevelCompleteTypeDef CompleteLevel, uint32_t Timeout)
	Polling for transfer complete. More...

void	HAL_EXT_DMA_IRQHandler (EXT_DMA_HandleTypeDef *hdma)
	Handle DMA interrupt request. More...

HAL_StatusTypeDef	HAL_EXT_DMA_RegisterCallback (EXT_DMA_HandleTypeDef hdma, HAL_EXT_DMA_CallbackIDTypeDef CallbackID, void(pCallback)(EXT_DMA_HandleTypeDef *_hdma))
	Register callbacks. More...

HAL_StatusTypeDef	HAL_EXT_DMA_UnRegisterCallback (EXT_DMA_HandleTypeDef *hdma, HAL_EXT_DMA_CallbackIDTypeDef CallbackID)
	UnRegister callbacks. More...

HAL_StatusTypeDef	HAL_EXT_DMA_GetConfig (uint32_t target_size, uint32_t cfg0, uint32_t cfg1)
	Get ext DAM compression/decompression configuration. More...

Detailed Description

Input and Output operation functions.

EXT_DMA_Exported_Functions_Group1

 ===============================================================================
                      #####  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_EXT_DMA_Abort()

HAL_StatusTypeDef HAL_EXT_DMA_Abort ( EXT_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

◆ HAL_EXT_DMA_Abort_IT()

HAL_StatusTypeDef HAL_EXT_DMA_Abort_IT ( EXT_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

◆ HAL_EXT_DMA_GetConfig()

HAL_StatusTypeDef HAL_EXT_DMA_GetConfig	(	uint32_t	target_size,
		uint32_t *	cfg0,
		uint32_t *	cfg1
	)

Get ext DAM compression/decompression configuration.

Parameters

target_size	obsolete.
cfg0	Compression configuration 0
cfg1	Compression configuration 1

Return values

HAL status

◆ HAL_EXT_DMA_IRQHandler()

void HAL_EXT_DMA_IRQHandler ( EXT_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

◆ HAL_EXT_DMA_PollForTransfer()

HAL_StatusTypeDef HAL_EXT_DMA_PollForTransfer	(	EXT_DMA_HandleTypeDef *	hdma,
		HAL_EXT_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

◆ HAL_EXT_DMA_RegisterCallback()

HAL_StatusTypeDef HAL_EXT_DMA_RegisterCallback	(	EXT_DMA_HandleTypeDef *	hdma,
		HAL_EXT_DMA_CallbackIDTypeDef	CallbackID,
		void()(EXT_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

◆ HAL_EXT_DMA_Start()

HAL_StatusTypeDef HAL_EXT_DMA_Start	(	EXT_DMA_HandleTypeDef *	hdma,
		uint32_t	SrcAddress,
		uint32_t	DstAddress,
		uint32_t	Counts
	)

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
Counts	The counts of data transfer action from SrcAddress. Counts are uncompressed size from source if compressed is enable.

Return values

HAL status

◆ HAL_EXT_DMA_Start_IT()

HAL_StatusTypeDef HAL_EXT_DMA_Start_IT	(	EXT_DMA_HandleTypeDef *	hdma,
		uint32_t	SrcAddress,
		uint32_t	DstAddress,
		uint32_t	Counts
	)

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
Counts	The counts of data transfer action from SrcAddress. Counts are uncompressed size from source if compressed is enable.

Return values

HAL status

◆ HAL_EXT_DMA_UnRegisterCallback()

HAL_StatusTypeDef HAL_EXT_DMA_UnRegisterCallback	(	EXT_DMA_HandleTypeDef *	hdma,
		HAL_EXT_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