Functions
__STATIC_INLINE void	LL_DMA_EnableChannel (DMA_TypeDef *DMAx, uint32_t Channel)
	Enable DMA channel.
__STATIC_INLINE void	LL_DMA_DisableChannel (DMA_TypeDef *DMAx, uint32_t Channel)
	Disable DMA channel.
__STATIC_INLINE uint32_t	LL_DMA_IsEnabledChannel (DMA_TypeDef *DMAx, uint32_t Channel)
	Check if DMA channel is enabled or disabled.
__STATIC_INLINE void	LL_DMA_ConfigTransfer (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t Configuration)
	Configure all parameters link to DMA transfer.
__STATIC_INLINE void	LL_DMA_SetDataTransferDirection (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t Direction)
	Set Data transfer direction (read from peripheral or from memory).
__STATIC_INLINE uint32_t	LL_DMA_GetDataTransferDirection (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Data transfer direction (read from peripheral or from memory).
__STATIC_INLINE void	LL_DMA_SetMode (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t Mode)
	Set DMA mode circular or normal.
__STATIC_INLINE uint32_t	LL_DMA_GetMode (DMA_TypeDef *DMAx, uint32_t Channel)
	Get DMA mode circular or normal.
__STATIC_INLINE void	LL_DMA_SetPeriphIncMode (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t PeriphOrM2MSrcIncMode)
	Set Peripheral increment mode.
__STATIC_INLINE uint32_t	LL_DMA_GetPeriphIncMode (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Peripheral increment mode.
__STATIC_INLINE void	LL_DMA_SetMemoryIncMode (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t MemoryOrM2MDstIncMode)
	Set Memory increment mode.
__STATIC_INLINE uint32_t	LL_DMA_GetMemoryIncMode (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Memory increment mode.
__STATIC_INLINE void	LL_DMA_SetPeriphSize (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t PeriphOrM2MSrcDataSize)
	Set Peripheral size.
__STATIC_INLINE uint32_t	LL_DMA_GetPeriphSize (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Peripheral size.
__STATIC_INLINE void	LL_DMA_SetMemorySize (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t MemoryOrM2MDstDataSize)
	Set Memory size.
__STATIC_INLINE uint32_t	LL_DMA_GetMemorySize (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Memory size.
__STATIC_INLINE void	LL_DMA_SetChannelPriorityLevel (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t Priority)
	Set Channel priority level.
__STATIC_INLINE uint32_t	LL_DMA_GetChannelPriorityLevel (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Channel priority level.
__STATIC_INLINE void	LL_DMA_SetDataLength (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t NbData)
	Set Number of data to transfer.
__STATIC_INLINE uint32_t	LL_DMA_GetDataLength (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Number of data to transfer.
__STATIC_INLINE void	LL_DMA_ConfigAddresses (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t SrcAddress, uint32_t DstAddress, uint32_t Direction)
	Configure the Source and Destination addresses.
__STATIC_INLINE void	LL_DMA_SetMemoryAddress (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t MemoryAddress)
	Set the Memory address.
__STATIC_INLINE void	LL_DMA_SetPeriphAddress (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t PeriphAddress)
	Set the Peripheral address.
__STATIC_INLINE uint32_t	LL_DMA_GetMemoryAddress (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Memory address.
__STATIC_INLINE uint32_t	LL_DMA_GetPeriphAddress (DMA_TypeDef *DMAx, uint32_t Channel)
	Get Peripheral address.
__STATIC_INLINE void	LL_DMA_SetM2MSrcAddress (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t MemoryAddress)
	Set the Memory to Memory Source address.
__STATIC_INLINE void	LL_DMA_SetM2MDstAddress (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t MemoryAddress)
	Set the Memory to Memory Destination address.
__STATIC_INLINE uint32_t	LL_DMA_GetM2MSrcAddress (DMA_TypeDef *DMAx, uint32_t Channel)
	Get the Memory to Memory Source address.
__STATIC_INLINE uint32_t	LL_DMA_GetM2MDstAddress (DMA_TypeDef *DMAx, uint32_t Channel)
	Get the Memory to Memory Destination address.
__STATIC_INLINE void	LL_DMA_SetPeriphRequest (DMA_TypeDef *DMAx, uint32_t Channel, uint32_t PeriphRequest)
	Set DMA request for DMA instance on Channel x.
__STATIC_INLINE uint32_t	LL_DMA_GetPeriphRequest (DMA_TypeDef *DMAx, uint32_t Channel)
	Get DMA request for DMA instance on Channel x.

Function Documentation

__STATIC_INLINE void LL_DMA_ConfigAddresses	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	SrcAddress,
		uint32_t	DstAddress,
		uint32_t	Direction
	)

Configure the Source and Destination addresses.

Note:: This API must not be called when the DMA channel is enabled.; Each peripheral using DMA provides an API to get directly the register address (LL_PPP_DMA_GetRegAddr).

Reference Manual to LL API cross reference:: CPAR PA LL_DMA_ConfigAddresses
CMAR MA LL_DMA_ConfigAddresses

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
SrcAddress	Between Min_Data = 0 and Max_Data = 0xFFFFFFFF
DstAddress	Between Min_Data = 0 and Max_Data = 0xFFFFFFFF
Direction	This parameter can be one of the following values: LL_DMA_DIRECTION_PERIPH_TO_MEMORY LL_DMA_DIRECTION_MEMORY_TO_PERIPH LL_DMA_DIRECTION_MEMORY_TO_MEMORY

Return values:

None

Definition at line 1049 of file stm32l4xx_ll_dma.h.

References LL_DMA_DIRECTION_MEMORY_TO_PERIPH.

__STATIC_INLINE void LL_DMA_ConfigTransfer	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	Configuration
	)

Configure all parameters link to DMA transfer.

Reference Manual to LL API cross reference:: CCR DIR LL_DMA_ConfigTransfer
CCR MEM2MEM LL_DMA_ConfigTransfer
CCR CIRC LL_DMA_ConfigTransfer
CCR PINC LL_DMA_ConfigTransfer
CCR MINC LL_DMA_ConfigTransfer
CCR PSIZE LL_DMA_ConfigTransfer
CCR MSIZE LL_DMA_ConfigTransfer
CCR PL LL_DMA_ConfigTransfer

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
Configuration	This parameter must be a combination of all the following values: LL_DMA_DIRECTION_PERIPH_TO_MEMORY or LL_DMA_DIRECTION_MEMORY_TO_PERIPH or LL_DMA_DIRECTION_MEMORY_TO_MEMORY LL_DMA_MODE_NORMAL or LL_DMA_MODE_CIRCULAR LL_DMA_PERIPH_INCREMENT or LL_DMA_PERIPH_NOINCREMENT LL_DMA_MEMORY_INCREMENT or LL_DMA_MEMORY_NOINCREMENT LL_DMA_PDATAALIGN_BYTE or LL_DMA_PDATAALIGN_HALFWORD or LL_DMA_PDATAALIGN_WORD LL_DMA_MDATAALIGN_BYTE or LL_DMA_MDATAALIGN_HALFWORD or LL_DMA_MDATAALIGN_WORD LL_DMA_PRIORITY_LOW or LL_DMA_PRIORITY_MEDIUM or LL_DMA_PRIORITY_HIGH or LL_DMA_PRIORITY_VERYHIGH

Return values:

None

Definition at line 628 of file stm32l4xx_ll_dma.h.

Referenced by LL_DMA_Init().

__STATIC_INLINE void LL_DMA_DisableChannel	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Disable DMA channel.

Reference Manual to LL API cross reference:: CCR EN LL_DMA_DisableChannel

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

None

Definition at line 572 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_EnableChannel	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Enable DMA channel.

Reference Manual to LL API cross reference:: CCR EN LL_DMA_EnableChannel

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

None

Definition at line 552 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetChannelPriorityLevel	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Channel priority level.

Reference Manual to LL API cross reference:: CCR PL LL_DMA_GetChannelPriorityLevel

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Returned

value can be one of the following values:

Definition at line 972 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetDataLength	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Number of data to transfer.

Note:: Once the channel is enabled, the return value indicate the remaining bytes to be transmitted.

Reference Manual to LL API cross reference:: CNDTR NDT LL_DMA_GetDataLength

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Definition at line 1019 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetDataTransferDirection	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Data transfer direction (read from peripheral or from memory).

Reference Manual to LL API cross reference:: CCR DIR LL_DMA_GetDataTransferDirection
CCR MEM2MEM LL_DMA_GetDataTransferDirection

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Returned

value can be one of the following values:

Definition at line 680 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetM2MDstAddress	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get the Memory to Memory Destination address.

Note:: Interface used for direction LL_DMA_DIRECTION_MEMORY_TO_MEMORY only.

Reference Manual to LL API cross reference:: CMAR MA LL_DMA_GetM2MDstAddress

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Definition at line 1237 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetM2MSrcAddress	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get the Memory to Memory Source address.

Note:: Interface used for direction LL_DMA_DIRECTION_MEMORY_TO_MEMORY only.

Reference Manual to LL API cross reference:: CPAR PA LL_DMA_GetM2MSrcAddress

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Definition at line 1216 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetMemoryAddress	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Memory address.

Note:: Interface used for direction LL_DMA_DIRECTION_PERIPH_TO_MEMORY or LL_DMA_DIRECTION_MEMORY_TO_PERIPH only.

Reference Manual to LL API cross reference:: CMAR MA LL_DMA_GetMemoryAddress

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Definition at line 1128 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetMemoryIncMode	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Memory increment mode.

Reference Manual to LL API cross reference:: CCR MINC LL_DMA_GetMemoryIncMode

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Returned

value can be one of the following values:

Definition at line 823 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetMemorySize	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Memory size.

Reference Manual to LL API cross reference:: CCR MSIZE LL_DMA_GetMemorySize

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Returned

value can be one of the following values:

Definition at line 921 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetMode	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get DMA mode circular or normal.

Reference Manual to LL API cross reference:: CCR CIRC LL_DMA_GetMode

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Returned

value can be one of the following values:

Definition at line 729 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetPeriphAddress	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Peripheral address.

Note:: Interface used for direction LL_DMA_DIRECTION_PERIPH_TO_MEMORY or LL_DMA_DIRECTION_MEMORY_TO_PERIPH only.

Reference Manual to LL API cross reference:: CPAR PA LL_DMA_GetPeriphAddress

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Definition at line 1149 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetPeriphIncMode	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Peripheral increment mode.

Reference Manual to LL API cross reference:: CCR PINC LL_DMA_GetPeriphIncMode

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Returned

value can be one of the following values:

Definition at line 776 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetPeriphRequest	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get DMA request for DMA instance on Channel x.

Reference Manual to LL API cross reference:: CSELR C1S LL_DMA_GetPeriphRequest
CSELR C2S LL_DMA_GetPeriphRequest
CSELR C3S LL_DMA_GetPeriphRequest
CSELR C4S LL_DMA_GetPeriphRequest
CSELR C5S LL_DMA_GetPeriphRequest
CSELR C6S LL_DMA_GetPeriphRequest
CSELR C7S LL_DMA_GetPeriphRequest

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Returned

value can be one of the following values:

Definition at line 1546 of file stm32l4xx_ll_dma.h.

References DMA_CSELR_OFFSET, and DMA_POSITION_CSELR_CXS.

__STATIC_INLINE uint32_t LL_DMA_GetPeriphSize	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Get Peripheral size.

Reference Manual to LL API cross reference:: CCR PSIZE LL_DMA_GetPeriphSize

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

Returned

value can be one of the following values:

Definition at line 872 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_IsEnabledChannel	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel
	)

Check if DMA channel is enabled or disabled.

Reference Manual to LL API cross reference:: CCR EN LL_DMA_IsEnabledChannel

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7

Return values:

State of bit (1 or 0).

Definition at line 592 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetChannelPriorityLevel	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	Priority
	)

Set Channel priority level.

Reference Manual to LL API cross reference:: CCR PL LL_DMA_SetChannelPriorityLevel

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
Priority	This parameter can be one of the following values: LL_DMA_PRIORITY_LOW LL_DMA_PRIORITY_MEDIUM LL_DMA_PRIORITY_HIGH LL_DMA_PRIORITY_VERYHIGH

Return values:

None

Definition at line 947 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetDataLength	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	NbData
	)

Set Number of data to transfer.

Note:: This action has no effect if channel is enabled.

Reference Manual to LL API cross reference:: CNDTR NDT LL_DMA_SetDataLength

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
NbData	Between Min_Data = 0 and Max_Data = 0x0000FFFF

Return values:

None

Definition at line 996 of file stm32l4xx_ll_dma.h.

Referenced by LL_DMA_Init().

__STATIC_INLINE void LL_DMA_SetDataTransferDirection	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	Direction
	)

Set Data transfer direction (read from peripheral or from memory).

Reference Manual to LL API cross reference:: CCR DIR LL_DMA_SetDataTransferDirection
CCR MEM2MEM LL_DMA_SetDataTransferDirection

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
Direction	This parameter can be one of the following values: LL_DMA_DIRECTION_PERIPH_TO_MEMORY LL_DMA_DIRECTION_MEMORY_TO_PERIPH LL_DMA_DIRECTION_MEMORY_TO_MEMORY

Return values:

None

Definition at line 655 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetM2MDstAddress	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	MemoryAddress
	)

Set the Memory to Memory Destination address.

Note:: Interface used for direction LL_DMA_DIRECTION_MEMORY_TO_MEMORY only.; This API must not be called when the DMA channel is enabled.

Reference Manual to LL API cross reference:: CMAR MA LL_DMA_SetM2MDstAddress

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
MemoryAddress	Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Return values:

None

Definition at line 1195 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetM2MSrcAddress	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	MemoryAddress
	)

Set the Memory to Memory Source address.

Note:: Interface used for direction LL_DMA_DIRECTION_MEMORY_TO_MEMORY only.; This API must not be called when the DMA channel is enabled.

Reference Manual to LL API cross reference:: CPAR PA LL_DMA_SetM2MSrcAddress

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
MemoryAddress	Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Return values:

None

Definition at line 1172 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetMemoryAddress	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	MemoryAddress
	)

Set the Memory address.

Note:: Interface used for direction LL_DMA_DIRECTION_PERIPH_TO_MEMORY or LL_DMA_DIRECTION_MEMORY_TO_PERIPH only.; This API must not be called when the DMA channel is enabled.

Reference Manual to LL API cross reference:: CMAR MA LL_DMA_SetMemoryAddress

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
MemoryAddress	Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Return values:

None

Definition at line 1084 of file stm32l4xx_ll_dma.h.

Referenced by LL_DMA_Init().

__STATIC_INLINE void LL_DMA_SetMemoryIncMode	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	MemoryOrM2MDstIncMode
	)

Set Memory increment mode.

Reference Manual to LL API cross reference:: CCR MINC LL_DMA_SetMemoryIncMode

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
MemoryOrM2MDstIncMode	This parameter can be one of the following values: LL_DMA_MEMORY_INCREMENT LL_DMA_MEMORY_NOINCREMENT

Return values:

None

Definition at line 800 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetMemorySize	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	MemoryOrM2MDstDataSize
	)

Set Memory size.

Reference Manual to LL API cross reference:: CCR MSIZE LL_DMA_SetMemorySize

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
MemoryOrM2MDstDataSize	This parameter can be one of the following values: LL_DMA_MDATAALIGN_BYTE LL_DMA_MDATAALIGN_HALFWORD LL_DMA_MDATAALIGN_WORD

Return values:

None

Definition at line 897 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetMode	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	Mode
	)

Set DMA mode circular or normal.

Note:: The circular buffer mode cannot be used if the memory-to-memory data transfer is configured on the selected Channel.

Reference Manual to LL API cross reference:: CCR CIRC LL_DMA_SetMode

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
Mode	This parameter can be one of the following values: LL_DMA_MODE_NORMAL LL_DMA_MODE_CIRCULAR

Return values:

None

Definition at line 706 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetPeriphAddress	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	PeriphAddress
	)

Set the Peripheral address.

Note:: Interface used for direction LL_DMA_DIRECTION_PERIPH_TO_MEMORY or LL_DMA_DIRECTION_MEMORY_TO_PERIPH only.; This API must not be called when the DMA channel is enabled.

Reference Manual to LL API cross reference:: CPAR PA LL_DMA_SetPeriphAddress

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
PeriphAddress	Between Min_Data = 0 and Max_Data = 0xFFFFFFFF

Return values:

None

Definition at line 1107 of file stm32l4xx_ll_dma.h.

Referenced by LL_DMA_Init().

__STATIC_INLINE void LL_DMA_SetPeriphIncMode	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	PeriphOrM2MSrcIncMode
	)

Set Peripheral increment mode.

Reference Manual to LL API cross reference:: CCR PINC LL_DMA_SetPeriphIncMode

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
PeriphOrM2MSrcIncMode	This parameter can be one of the following values: LL_DMA_PERIPH_INCREMENT LL_DMA_PERIPH_NOINCREMENT

Return values:

None

Definition at line 753 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_SetPeriphRequest	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	PeriphRequest
	)

Set DMA request for DMA instance on Channel x.

Note:: Please refer to Reference Manual to get the available mapping of Request value link to Channel Selection.

Reference Manual to LL API cross reference:: CSELR C1S LL_DMA_SetPeriphRequest
CSELR C2S LL_DMA_SetPeriphRequest
CSELR C3S LL_DMA_SetPeriphRequest
CSELR C4S LL_DMA_SetPeriphRequest
CSELR C5S LL_DMA_SetPeriphRequest
CSELR C6S LL_DMA_SetPeriphRequest
CSELR C7S LL_DMA_SetPeriphRequest

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
PeriphRequest	This parameter can be one of the following values: LL_DMA_REQUEST_0 LL_DMA_REQUEST_1 LL_DMA_REQUEST_2 LL_DMA_REQUEST_3 LL_DMA_REQUEST_4 LL_DMA_REQUEST_5 LL_DMA_REQUEST_6 LL_DMA_REQUEST_7

Return values:

None

Definition at line 1512 of file stm32l4xx_ll_dma.h.

References DMA_CSELR_OFFSET, and DMA_POSITION_CSELR_CXS.

Referenced by LL_DMA_DeInit(), and LL_DMA_Init().

__STATIC_INLINE void LL_DMA_SetPeriphSize	(	DMA_TypeDef *	DMAx,
		uint32_t	Channel,
		uint32_t	PeriphOrM2MSrcDataSize
	)

Set Peripheral size.

Reference Manual to LL API cross reference:: CCR PSIZE LL_DMA_SetPeriphSize

Parameters:

DMAx	DMAx Instance
Channel	This parameter can be one of the following values: LL_DMA_CHANNEL_1 LL_DMA_CHANNEL_2 LL_DMA_CHANNEL_3 LL_DMA_CHANNEL_4 LL_DMA_CHANNEL_5 LL_DMA_CHANNEL_6 LL_DMA_CHANNEL_7
PeriphOrM2MSrcDataSize	This parameter can be one of the following values: LL_DMA_PDATAALIGN_BYTE LL_DMA_PDATAALIGN_HALFWORD LL_DMA_PDATAALIGN_WORD

Return values:

None

Definition at line 848 of file stm32l4xx_ll_dma.h.

Functions

Function Documentation