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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 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:
- 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:
-
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 1015 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:
-
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 612 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:
-
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 558 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:
-
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 539 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:
-
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: - LL_DMA_PRIORITY_LOW
- LL_DMA_PRIORITY_MEDIUM
- LL_DMA_PRIORITY_HIGH
- LL_DMA_PRIORITY_VERYHIGH
Definition at line 942 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:
-
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 987 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:
-
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: - LL_DMA_DIRECTION_PERIPH_TO_MEMORY
- LL_DMA_DIRECTION_MEMORY_TO_PERIPH
- LL_DMA_DIRECTION_MEMORY_TO_MEMORY
Definition at line 662 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:
-
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 1202 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:
-
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 1181 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:
-
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 1095 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:
-
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: - LL_DMA_MEMORY_INCREMENT
- LL_DMA_MEMORY_NOINCREMENT
Definition at line 799 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:
-
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: - LL_DMA_MDATAALIGN_BYTE
- LL_DMA_MDATAALIGN_HALFWORD
- LL_DMA_MDATAALIGN_WORD
Definition at line 893 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:
-
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: - LL_DMA_MODE_NORMAL
- LL_DMA_MODE_CIRCULAR
Definition at line 709 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:
-
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 1116 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:
-
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: - LL_DMA_PERIPH_INCREMENT
- LL_DMA_PERIPH_NOINCREMENT
Definition at line 754 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:
-
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: - 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 1272 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:
-
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: - LL_DMA_PDATAALIGN_BYTE
- LL_DMA_PDATAALIGN_HALFWORD
- LL_DMA_PDATAALIGN_WORD
Definition at line 846 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:
-
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 577 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:
-
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 918 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:
-
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 965 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:
-
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 638 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:
-
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 1160 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:
-
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 1138 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:
-
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 1052 of file stm32l4xx_ll_dma.h.
| __STATIC_INLINE void LL_DMA_SetMemoryIncMode | ( | DMA_TypeDef * | DMAx, |
| uint32_t | Channel, | ||
| uint32_t | MemoryOrM2MDstIncMode | ||
| ) |
Set Memory increment mode.
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 777 of file stm32l4xx_ll_dma.h.
| __STATIC_INLINE void LL_DMA_SetMemorySize | ( | DMA_TypeDef * | DMAx, |
| uint32_t | Channel, | ||
| uint32_t | MemoryOrM2MDstDataSize | ||
| ) |
Set Memory size.
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 870 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:
-
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 687 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:
-
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 1074 of file stm32l4xx_ll_dma.h.
| __STATIC_INLINE void LL_DMA_SetPeriphIncMode | ( | DMA_TypeDef * | DMAx, |
| uint32_t | Channel, | ||
| uint32_t | PeriphOrM2MSrcIncMode | ||
| ) |
Set Peripheral increment mode.
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 732 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. 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 1238 of file stm32l4xx_ll_dma.h.
| __STATIC_INLINE void LL_DMA_SetPeriphSize | ( | DMA_TypeDef * | DMAx, |
| uint32_t | Channel, | ||
| uint32_t | PeriphOrM2MSrcDataSize | ||
| ) |
Set Peripheral size.
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 823 of file stm32l4xx_ll_dma.h.
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