GPDMA_Channel_CFG_Type Struct Reference

GPDMA Channel configuration structure type definition. More...

#include <lpc17xx_gpdma.h>

Public Attributes
uint32_t	ChannelNum
uint32_t	TransferSize
uint32_t	TransferWidth
uint32_t	SrcMemAddr
uint32_t	DstMemAddr
uint32_t	TransferType
uint32_t	SrcConn
uint32_t	DstConn
uint32_t	DMALLI

Detailed Description

GPDMA Channel configuration structure type definition.

Definition at line 311 of file lpc17xx_gpdma.h.

Member Data Documentation

uint32_t GPDMA_Channel_CFG_Type::ChannelNum

DMA channel number, should be in range from 0 to 7. Note: DMA channel 0 has the highest priority and DMA channel 7 the lowest priority.

Definition at line 312 of file lpc17xx_gpdma.h.

uint32_t GPDMA_Channel_CFG_Type::DMALLI

 Linker List Item structure data address

if there's no Linker List, set as '0'

Definition at line 369 of file lpc17xx_gpdma.h.

uint32_t GPDMA_Channel_CFG_Type::DstConn

 Peripheral Destination Connection type, used in case TransferType is chosen as

GPDMA_TRANSFERTYPE_M2P or GPDMA_TRANSFERTYPE_P2P, should be one of following:

• GPDMA_CONN_SSP0_Tx: SSP0, Tx
• GPDMA_CONN_SSP0_Rx: SSP0, Rx
• GPDMA_CONN_SSP1_Tx: SSP1, Tx
• GPDMA_CONN_SSP1_Rx: SSP1, Rx
• GPDMA_CONN_ADC: ADC
• GPDMA_CONN_I2S_Channel_0: I2S Channel 0
• GPDMA_CONN_I2S_Channel_1: I2S Channel 1
• GPDMA_CONN_DAC: DAC
• GPDMA_CONN_UART0_Tx_MAT0_0: UART0 Tx / MAT0.0
• GPDMA_CONN_UART0_Rx_MAT0_1: UART0 Rx / MAT0.1
• GPDMA_CONN_UART1_Tx_MAT1_0: UART1 Tx / MAT1.0
• GPDMA_CONN_UART1_Rx_MAT1_1: UART1 Rx / MAT1.1
• GPDMA_CONN_UART2_Tx_MAT2_0: UART2 Tx / MAT2.0
• GPDMA_CONN_UART2_Rx_MAT2_1: UART2 Rx / MAT2.1
• GPDMA_CONN_UART3_Tx_MAT3_0: UART3 Tx / MAT3.0
• GPDMA_CONN_UART3_Rx_MAT3_1: UART3 Rx / MAT3.1

Definition at line 349 of file lpc17xx_gpdma.h.

uint32_t GPDMA_Channel_CFG_Type::DstMemAddr

Physical Destination Address, used in case TransferType is chosen as GPDMA_TRANSFERTYPE_M2M or GPDMA_TRANSFERTYPE_P2M

Definition at line 321 of file lpc17xx_gpdma.h.

uint32_t GPDMA_Channel_CFG_Type::SrcConn

 Peripheral Source Connection type, used in case TransferType is chosen as

GPDMA_TRANSFERTYPE_P2M or GPDMA_TRANSFERTYPE_P2P, should be one of following:

• GPDMA_CONN_SSP0_Tx: SSP0, Tx
• GPDMA_CONN_SSP0_Rx: SSP0, Rx
• GPDMA_CONN_SSP1_Tx: SSP1, Tx
• GPDMA_CONN_SSP1_Rx: SSP1, Rx
• GPDMA_CONN_ADC: ADC
• GPDMA_CONN_I2S_Channel_0: I2S Channel 0
• GPDMA_CONN_I2S_Channel_1: I2S Channel 1
• GPDMA_CONN_DAC: DAC
• GPDMA_CONN_UART0_Tx_MAT0_0: UART0 Tx / MAT0.0
• GPDMA_CONN_UART0_Rx_MAT0_1: UART0 Rx / MAT0.1
• GPDMA_CONN_UART1_Tx_MAT1_0: UART1 Tx / MAT1.0
• GPDMA_CONN_UART1_Rx_MAT1_1: UART1 Rx / MAT1.1
• GPDMA_CONN_UART2_Tx_MAT2_0: UART2 Tx / MAT2.0
• GPDMA_CONN_UART2_Rx_MAT2_1: UART2 Rx / MAT2.1
• GPDMA_CONN_UART3_Tx_MAT3_0: UART3 Tx / MAT3.0
• GPDMA_CONN_UART3_Rx_MAT3_1: UART3 Rx / MAT3.1

Definition at line 329 of file lpc17xx_gpdma.h.

uint32_t GPDMA_Channel_CFG_Type::SrcMemAddr

Physical Source Address, used in case TransferType is chosen as GPDMA_TRANSFERTYPE_M2M or GPDMA_TRANSFERTYPE_M2P

Definition at line 319 of file lpc17xx_gpdma.h.

uint32_t GPDMA_Channel_CFG_Type::TransferSize

Length/Size of transfer

Definition at line 317 of file lpc17xx_gpdma.h.

uint32_t GPDMA_Channel_CFG_Type::TransferType

 Transfer Type, should be one of the following:

• GPDMA_TRANSFERTYPE_M2M: Memory to memory - DMA control
• GPDMA_TRANSFERTYPE_M2P: Memory to peripheral - DMA control
• GPDMA_TRANSFERTYPE_P2M: Peripheral to memory - DMA control
• GPDMA_TRANSFERTYPE_P2P: Source peripheral to destination peripheral - DMA control

Definition at line 323 of file lpc17xx_gpdma.h.

uint32_t GPDMA_Channel_CFG_Type::TransferWidth

Transfer width - used for TransferType is GPDMA_TRANSFERTYPE_M2M only

Definition at line 318 of file lpc17xx_gpdma.h.

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

• arch/arm/lpc17xx/Drivers/include/lpc17xx_gpdma.h