#include <stm32f4xx_ll_dma.h>

Data Fields
uint32_t	PeriphOrM2MSrcAddress
uint32_t	MemoryOrM2MDstAddress
uint32_t	Direction
uint32_t	Mode
uint32_t	PeriphOrM2MSrcIncMode
uint32_t	MemoryOrM2MDstIncMode
uint32_t	PeriphOrM2MSrcDataSize
uint32_t	MemoryOrM2MDstDataSize
uint32_t	NbData
uint32_t	Channel
uint32_t	Priority
uint32_t	FIFOMode
uint32_t	FIFOThreshold
uint32_t	MemBurst
uint32_t	PeriphBurst

Detailed Description

Definition at line 78 of file stm32f4xx_ll_dma.h.

Field Documentation

uint32_t LL_DMA_InitTypeDef::Channel

Specifies the peripheral channel. This parameter can be a value of CHANNEL

This feature can be modified afterwards using unitary function LL_DMA_SetChannelSelection().

Definition at line 134 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::Direction

Specifies if the data will be transferred from memory to peripheral, from memory to memory or from peripheral to memory. This parameter can be a value of DIRECTION

This feature can be modified afterwards using unitary function LL_DMA_SetDataTransferDirection().

Definition at line 90 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::FIFOMode

Specifies if the FIFO mode or Direct mode will be used for the specified stream. This parameter can be a value of DMA_LL_FIFOMODE

Note:: The Direct mode (FIFO mode disabled) cannot be used if the memory-to-memory data transfer is configured on the selected stream

This feature can be modified afterwards using unitary functions LL_DMA_EnableFifoMode() or LL_DMA_EnableFifoMode() .

Definition at line 144 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::FIFOThreshold

Specifies the FIFO threshold level. This parameter can be a value of FIFOTHRESHOLD

This feature can be modified afterwards using unitary function LL_DMA_SetFIFOThreshold().

Definition at line 151 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::MemBurst

Specifies the Burst transfer configuration for the memory transfers. It specifies the amount of data to be transferred in a single non interruptible transaction. This parameter can be a value of MBURST

Note:: The burst mode is possible only if the address Increment mode is enabled.

This feature can be modified afterwards using unitary function LL_DMA_SetMemoryBurstxfer().

Definition at line 156 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::MemoryOrM2MDstAddress

Specifies the memory base address for DMA transfer or as Destination base address in case of memory to memory transfer direction.

This parameter must be a value between Min_Data = 0 and Max_Data = 0xFFFFFFFF.

Definition at line 85 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::MemoryOrM2MDstDataSize

Specifies the Memory data size alignment or Destination data size alignment (byte, half word, word) in case of memory to memory transfer direction. This parameter can be a value of MDATAALIGN

This feature can be modified afterwards using unitary function LL_DMA_SetMemorySize().

Definition at line 121 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::MemoryOrM2MDstIncMode

Specifies whether the Memory address or Destination address in case of memory to memory transfer direction is incremented or not. This parameter can be a value of MEMORY

This feature can be modified afterwards using unitary function LL_DMA_SetMemoryIncMode().

Definition at line 109 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::Mode

Specifies the normal or circular operation mode. This parameter can be a value of MODE

Note:: The circular buffer mode cannot be used if the memory to memory data transfer direction is configured on the selected Stream

This feature can be modified afterwards using unitary function LL_DMA_SetMode().

Definition at line 96 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::NbData

Specifies the number of data to transfer, in data unit. The data unit is equal to the source buffer configuration set in PeripheralSize or MemorySize parameters depending in the transfer direction. This parameter must be a value between Min_Data = 0 and Max_Data = 0x0000FFFF

This feature can be modified afterwards using unitary function LL_DMA_SetDataLength().

Definition at line 127 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::PeriphBurst

Specifies the Burst transfer configuration for the peripheral transfers. It specifies the amount of data to be transferred in a single non interruptible transaction. This parameter can be a value of PBURST

Note:: The burst mode is possible only if the address Increment mode is enabled.

This feature can be modified afterwards using unitary function LL_DMA_SetPeriphBurstxfer().

Definition at line 164 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::PeriphOrM2MSrcAddress

Specifies the peripheral base address for DMA transfer or as Source base address in case of memory to memory transfer direction.

This parameter must be a value between Min_Data = 0 and Max_Data = 0xFFFFFFFF.

Definition at line 80 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::PeriphOrM2MSrcDataSize

Specifies the Peripheral data size alignment or Source data size alignment (byte, half word, word) in case of memory to memory transfer direction. This parameter can be a value of PDATAALIGN

This feature can be modified afterwards using unitary function LL_DMA_SetPeriphSize().

Definition at line 115 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::PeriphOrM2MSrcIncMode

Specifies whether the Peripheral address or Source address in case of memory to memory transfer direction is incremented or not. This parameter can be a value of PERIPH

This feature can be modified afterwards using unitary function LL_DMA_SetPeriphIncMode().

Definition at line 103 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

uint32_t LL_DMA_InitTypeDef::Priority

Specifies the channel priority level. This parameter can be a value of PRIORITY

This feature can be modified afterwards using unitary function LL_DMA_SetStreamPriorityLevel().

Definition at line 139 of file stm32f4xx_ll_dma.h.

Referenced by LL_DMA_Init(), and LL_DMA_StructInit().

The documentation for this struct was generated from the following file:

stm32f4xx_ll_dma.h

Data Fields

Detailed Description

Field Documentation