qspi_edma_lld.h File Reference

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Data Structures
struct	QSPI_EdmaParams
	QSPI EDMA Parameters. More...

Functions
int32_t	QSPI_edmaChannelConfig (QSPILLD_Handle qspiHandle)
	Function to initialize EDMA before transfers. More...
void	QSPI_edmaTransfer (void *dst, void *src, uint32_t length, QSPILLD_Handle qspiHandle, uint32_t timeout)
	Function to transfer QSPI data using EDMA. More...
int32_t	QSPI_edmaChannelFree (QSPILLD_Handle qspiHandle)
	Function to free EDMA resources. More...

Function Documentation

QSPI_edmaChannelConfig()

int32_t QSPI_edmaChannelConfig

(

QSPILLD_Handle

qspiHandle

)

Function to initialize EDMA before transfers.

Parameters

qspiHandle

QSPILLD_Handle returned from QSPI_open().

Returns

SystemP_SUCCESS if configured successfully; else error on failure

QSPI_edmaTransfer()

void QSPI_edmaTransfer	(	void *	dst,
		void *	src,
		uint32_t	length,
		QSPILLD_Handle	qspiHandle,
		uint32_t	timeout
	)

Function to transfer QSPI data using EDMA.

Parameters

dst	Destination address of DMA transfer.
src	Source address for DMA transfer.
length	Number of bytes to be transferred.
qspiHandle	QSPILLD_Handle returned from QSPI_open().
timeout	timeout parameter

QSPI_edmaChannelFree()

int32_t QSPI_edmaChannelFree

(

QSPILLD_Handle

qspiHandle

)

Function to free EDMA resources.

Parameters

qspiHandle

QSPILLD_Handle returned from QSPI_open().

Returns

SystemP_SUCCESS if resources freed successfully; else error on failure