Eric Lewiston / STM32L4xx_HAL_Driver

Hal Drivers for L4

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Configuration
Functions

Configuration
[DMA Exported Functions]

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 IncrementMode)
 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 IncrementMode)
 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 Size)
 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 Size)
 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 Request)
 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:
Each IP using DMA provides an API to get directly the register adress (LL_PPP_DMA_GetRegAddr) CPAR PA LL_DMA_ConfigAddresses
CMAR MA LL_DMA_ConfigAddresses
Parameters:
DMAxDMAx Instance
ChannelThis 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
SrcAddressBetween 0 to 0xFFFFFFFF
DstAddressBetween 0 to 0xFFFFFFFF
DirectionThis 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 826 of file stm32l4xx_ll_dma.h.

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

Configure all parameters link to DMA transfer.

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:
DMAxDMAx Instance
ChannelThis 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
ConfigurationThis 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 441 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_DisableChannel ( DMA_TypeDef *  DMAx,
uint32_t  Channel 
)

Disable DMA channel.

CCR EN LL_DMA_DisableChannel

Parameters:
DMAxDMAx Instance
ChannelThis 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 388 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE void LL_DMA_EnableChannel ( DMA_TypeDef *  DMAx,
uint32_t  Channel 
)

Enable DMA channel.

CCR EN LL_DMA_EnableChannel

Parameters:
DMAxDMAx Instance
ChannelThis 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 369 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetChannelPriorityLevel ( DMA_TypeDef *  DMAx,
uint32_t  Channel 
)

Get Channel priority level.

CCR PL LL_DMA_GetChannelPriorityLevel

Parameters:
DMAxDMAx Instance
ChannelThis 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:
Returnedvalue can be one of the following values:

  • LL_DMA_PRIORITY_LOW
  • LL_DMA_PRIORITY_MEDIUM
  • LL_DMA_PRIORITY_HIGH
  • LL_DMA_PRIORITY_VERYHIGH

Definition at line 756 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. CNDTR NDT LL_DMA_GetDataLength
Parameters:
DMAxDMAx Instance
ChannelThis 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:
Between0 to 0xFFFFFFFF

Definition at line 799 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).

CCR DIR LL_DMA_GetDataTransferDirection
CCR MEM2MEM LL_DMA_GetDataTransferDirection

Parameters:
DMAxDMAx Instance
ChannelThis 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:
Returnedvalue 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

Definition at line 488 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. CMAR MA LL_DMA_GetM2MDstAddress
Parameters:
DMAxDMAx Instance
ChannelThis 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:
Between0 to 0xFFFFFFFF

Definition at line 1001 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. CPAR PA LL_DMA_GetM2MSrcAddress
Parameters:
DMAxDMAx Instance
ChannelThis 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:
Between0 to 0xFFFFFFFF

Definition at line 981 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. CMAR MA LL_DMA_GetMemoryAddress
Parameters:
DMAxDMAx Instance
ChannelThis 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:
Between0 to 0xFFFFFFFF

Definition at line 899 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetMemoryIncMode ( DMA_TypeDef *  DMAx,
uint32_t  Channel 
)

Get Memory increment mode.

CCR MINC LL_DMA_GetMemoryIncMode

Parameters:
DMAxDMAx Instance
ChannelThis 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:
Returnedvalue can be one of the following values:

  • LL_DMA_MEMORY_INCREMENT
  • LL_DMA_MEMORY_NOINCREMENT

Definition at line 619 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetMemorySize ( DMA_TypeDef *  DMAx,
uint32_t  Channel 
)

Get Memory size.

CCR MSIZE LL_DMA_GetMemorySize

Parameters:
DMAxDMAx Instance
ChannelThis 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:
Returnedvalue can be one of the following values:

  • LL_DMA_MDATAALIGN_BYTE
  • LL_DMA_MDATAALIGN_HALFWORD
  • LL_DMA_MDATAALIGN_WORD

Definition at line 709 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.

CCR CIRC LL_DMA_GetMode

Parameters:
DMAxDMAx Instance
ChannelThis 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:
Returnedvalue can be one of the following values:

  • LL_DMA_MODE_NORMAL
  • LL_DMA_MODE_CIRCULAR

Definition at line 533 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. CPAR PA LL_DMA_GetPeriphAddress
Parameters:
DMAxDMAx Instance
ChannelThis 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:
Between0 to 0xFFFFFFFF

Definition at line 919 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetPeriphIncMode ( DMA_TypeDef *  DMAx,
uint32_t  Channel 
)

Get Peripheral increment mode.

CCR PINC LL_DMA_GetPeriphIncMode

Parameters:
DMAxDMAx Instance
ChannelThis 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:
Returnedvalue can be one of the following values:

  • LL_DMA_PERIPH_INCREMENT
  • LL_DMA_PERIPH_NOINCREMENT

Definition at line 576 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.

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:
DMAxDMAx Instance
ChannelThis 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:
Returnedvalue 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

Definition at line 1069 of file stm32l4xx_ll_dma.h.

__STATIC_INLINE uint32_t LL_DMA_GetPeriphSize ( DMA_TypeDef *  DMAx,
uint32_t  Channel 
)

Get Peripheral size.

CCR PSIZE LL_DMA_GetPeriphSize

Parameters:
DMAxDMAx Instance
ChannelThis 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:
Returnedvalue can be one of the following values:

  • LL_DMA_PDATAALIGN_BYTE
  • LL_DMA_PDATAALIGN_HALFWORD
  • LL_DMA_PDATAALIGN_WORD

Definition at line 664 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.

CCR EN LL_DMA_IsEnabledChannel

Parameters:
DMAxDMAx Instance
ChannelThis 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:
Stateof bit (1 or 0).

Definition at line 407 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.

CCR PL LL_DMA_SetChannelPriorityLevel

Parameters:
DMAxDMAx Instance
ChannelThis 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
PriorityThis 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 733 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. CNDTR NDT LL_DMA_SetDataLength
Parameters:
DMAxDMAx Instance
ChannelThis 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
NbDataBetween 0 to 0xFFFFFFFF
Return values:
None

Definition at line 778 of file stm32l4xx_ll_dma.h.

__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).

CCR DIR LL_DMA_SetDataTransferDirection
CCR MEM2MEM LL_DMA_SetDataTransferDirection

Parameters:
DMAxDMAx Instance
ChannelThis 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
DirectionThis 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 465 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. CMAR MA LL_DMA_SetM2MDstAddress
Parameters:
DMAxDMAx Instance
ChannelThis 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
MemoryAddressBetween 0 to 0xFFFFFFFF
Return values:
None

Definition at line 961 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. CPAR PA LL_DMA_SetM2MSrcAddress
Parameters:
DMAxDMAx Instance
ChannelThis 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
MemoryAddressBetween 0 to 0xFFFFFFFF
Return values:
None

Definition at line 940 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. CMAR MA LL_DMA_SetMemoryAddress
Parameters:
DMAxDMAx Instance
ChannelThis 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
MemoryAddressBetween 0 to 0xFFFFFFFF
Return values:
None

Definition at line 858 of file stm32l4xx_ll_dma.h.

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

Set Memory increment mode.

CCR MINC LL_DMA_SetMemoryIncMode

Parameters:
DMAxDMAx Instance
ChannelThis 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
IncrementModeThis parameter can be one of the following values:

  • LL_DMA_MEMORY_INCREMENT
  • LL_DMA_MEMORY_NOINCREMENT
Return values:
None

Definition at line 598 of file stm32l4xx_ll_dma.h.

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

Set Memory size.

CCR MSIZE LL_DMA_SetMemorySize

Parameters:
DMAxDMAx Instance
ChannelThis 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
SizeThis 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 687 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. CCR CIRC LL_DMA_SetMode
Parameters:
DMAxDMAx Instance
ChannelThis 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
ModeThis parameter can be one of the following values:

  • LL_DMA_MODE_NORMAL
  • LL_DMA_MODE_CIRCULAR
Return values:
None

Definition at line 512 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. CPAR PA LL_DMA_SetPeriphAddress
Parameters:
DMAxDMAx Instance
ChannelThis 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
PeriphAddressBetween 0 to 0xFFFFFFFF
Return values:
None

Definition at line 879 of file stm32l4xx_ll_dma.h.

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

Set Peripheral increment mode.

CCR PINC LL_DMA_SetPeriphIncMode

Parameters:
DMAxDMAx Instance
ChannelThis 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
IncrementModeThis parameter can be one of the following values:

  • LL_DMA_PERIPH_INCREMENT
  • LL_DMA_PERIPH_NOINCREMENT
Return values:
None

Definition at line 555 of file stm32l4xx_ll_dma.h.

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

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. 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:
DMAxDMAx Instance
ChannelThis 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
RequestThis 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 1036 of file stm32l4xx_ll_dma.h.

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

Set Peripheral size.

CCR PSIZE LL_DMA_SetPeriphSize

Parameters:
DMAxDMAx Instance
ChannelThis 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
SizeThis 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 642 of file stm32l4xx_ll_dma.h.

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