gpdma_17xx_40xx.h File Reference

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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_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.