Go to the source code of this file.

Data Structures
struct	DMA_ChannelHandle_t
	DMA channel handle structure. More...

struct	DMA_TransferDescriptor_t
	Transfer Descriptor structure typedef. More...

Macros
#define	GPDMA_NUMBER_CHANNELS 8
	Number of channels on GPDMA.

#define	GPDMA_CONN_MEMORY ((0UL))
	GPDMA request connections.

#define	GPDMA_CONN_MAT0_0 ((1UL))

#define	GPDMA_CONN_UART0_Tx ((2UL))

#define	GPDMA_CONN_MAT0_1 ((3UL))

#define	GPDMA_CONN_UART0_Rx ((4UL))

#define	GPDMA_CONN_MAT1_0 ((5UL))

#define	GPDMA_CONN_UART1_Tx ((6UL))

#define	GPDMA_CONN_MAT1_1 ((7UL))

#define	GPDMA_CONN_UART1_Rx ((8UL))

#define	GPDMA_CONN_MAT2_0 ((9UL))

#define	GPDMA_CONN_UART2_Tx ((10UL))

#define	GPDMA_CONN_MAT2_1 ((11UL))

#define	GPDMA_CONN_UART2_Rx ((12UL))

#define	GPDMA_CONN_MAT3_0 ((13UL))

#define	GPDMA_CONN_UART3_Tx ((14UL))

#define	GPDMA_CONN_SCT_0 ((15UL))

#define	GPDMA_CONN_MAT3_1 ((16UL))

#define	GPDMA_CONN_UART3_Rx ((17UL))

#define	GPDMA_CONN_SCT_1 ((18UL))

#define	GPDMA_CONN_SSP0_Rx ((19UL))

#define	GPDMA_CONN_I2S_Tx_Channel_0 ((20UL))

#define	GPDMA_CONN_SSP0_Tx ((21UL))

#define	GPDMA_CONN_I2S_Rx_Channel_1 ((22UL))

#define	GPDMA_CONN_SSP1_Rx ((23UL))

#define	GPDMA_CONN_SSP1_Tx ((24UL))

#define	GPDMA_CONN_ADC_0 ((25UL))

#define	GPDMA_CONN_ADC_1 ((26UL))

#define	GPDMA_CONN_DAC ((27UL))

#define	GPDMA_CONN_I2S_Tx_Channel_1 ((28UL))

#define	GPDMA_CONN_I2S_Rx_Channel_0 ((29UL))

#define	GPDMA_BSIZE_1 ((0UL))
	GPDMA Burst size in Source and Destination definitions.

#define	GPDMA_BSIZE_4 ((1UL))

#define	GPDMA_BSIZE_8 ((2UL))

#define	GPDMA_BSIZE_16 ((3UL))

#define	GPDMA_BSIZE_32 ((4UL))

#define	GPDMA_BSIZE_64 ((5UL))

#define	GPDMA_BSIZE_128 ((6UL))

#define	GPDMA_BSIZE_256 ((7UL))

#define	GPDMA_WIDTH_BYTE ((0UL))
	Width in Source transfer width and Destination transfer width definitions.

#define	GPDMA_WIDTH_HALFWORD ((1UL))

#define	GPDMA_WIDTH_WORD ((2UL))

#define	DMA_CONTROLLER 0
	Flow control definitions.

#define	SRC_PER_CONTROLLER 1

#define	DST_PER_CONTROLLER 2

Functions
STATIC INLINE IntStatus	Chip_GPDMA_IntGetStatus (LPC_GPDMA_T *pGPDMA, IP_GPDMA_STATUS_T type, uint8_t channel)
	Read the status from different registers according to the type.

STATIC INLINE void	Chip_GPDMA_ClearIntPending (LPC_GPDMA_T *pGPDMA, IP_GPDMA_STATECLEAR_T type, uint8_t channel)
	Clear the Interrupt Flag from different registers according to the type.

STATIC INLINE void	Chip_GPDMA_ChannelCmd (LPC_GPDMA_T *pGPDMA, uint8_t channelNum, FunctionalState NewState)
	Enable or Disable the GPDMA Channel.

void	Chip_GPDMA_Init (LPC_GPDMA_T *pGPDMA)
	Initialize the GPDMA.

void	Chip_GPDMA_DeInit (LPC_GPDMA_T *pGPDMA)
	Shutdown the GPDMA.

void	Chip_DMA_Stop (LPC_GPDMA_T *pGPDMA, uint8_t ChannelNum)
	Stop a stream DMA transfer.

Status	Chip_DMA_Interrupt (LPC_GPDMA_T *pGPDMA, uint8_t ChannelNum)
	The GPDMA stream interrupt status checking.

uint8_t	Chip_DMA_GetFreeChannel (LPC_GPDMA_T *pGPDMA, uint32_t PeripheralConnection_ID)
	Get a free GPDMA channel for one DMA connection.

Status	Chip_DMA_Transfer (LPC_GPDMA_T *pGPDMA, uint8_t ChannelNum, uint32_t src, uint32_t dst, IP_GPDMA_FLOW_CONTROL_T TransferType, uint32_t Size)
	Do a DMA transfer M2M, M2P,P2M or P2P.

Status	Chip_DMA_SGTransfer (LPC_GPDMA_T pGPDMA, uint8_t ChannelNum, const DMA_TransferDescriptor_t DMADescriptor, IP_GPDMA_FLOW_CONTROL_T TransferType)
	Do a DMA transfer using linked list of descriptors.

Status	Chip_DMA_PrepareDescriptor (LPC_GPDMA_T pGPDMA, DMA_TransferDescriptor_t DMADescriptor, uint32_t src, uint32_t dst, uint32_t Size, IP_GPDMA_FLOW_CONTROL_T TransferType, const DMA_TransferDescriptor_t *NextDescriptor)
	Prepare a single DMA descriptor.

int	Chip_DMA_InitChannelCfg (LPC_GPDMA_T pGPDMA, GPDMA_Channel_CFG_T GPDMACfg, uint8_t ChannelNum, uint32_t src, uint32_t dst, uint32_t Size, IP_GPDMA_FLOW_CONTROL_T TransferType)
	Initialize channel configuration strucutre.

Data Structures

Macros

Functions