Collaboration diagram for Interrupt functions:

Functions
IFX_INLINE void	IfxDma_clearChannelInterrupt (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Clear a channel transfer interrupt flag. More...

IFX_INLINE void	IfxDma_disableChannelInterrupt (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Disable channel interrupt trigger. More...

IFX_INLINE void	IfxDma_enableChannelInterrupt (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Enable channel interrupt trigger. More...

IFX_INLINE boolean	IfxDma_getAndClearChannelInterrupt (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Return and clear a channel transfer interrupt flag The flag is automatically cleared with the call to this function. More...

IFX_INLINE boolean	IfxDma_getAndClearChannelPatternDetectionInterrupt (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Returns and clears the pattern detection interrupt flag. More...

IFX_INLINE boolean	IfxDma_getAndClearChannelWrapDestinationBufferInterrupt (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Returns and clears the status of channel wrap destination buffer interrupt trigger flag. More...

IFX_INLINE boolean	IfxDma_getAndClearChannelWrapSourceBufferInterrupt (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Returns and clears the status of channel wrap source buffer interrupt trigger flag. More...

IFX_INLINE boolean	IfxDma_getChannelInterrupt (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Return a channel transfer interrupt flag. More...

IFX_INLINE boolean	IfxDma_getChannelPatternDetectionOldValue (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Returns whether the old value of pattern detection corresponding pattern comparison operation found a pattern match in previous DMA * read move or not. More...

IFX_INLINE volatile Ifx_SRC_SRCR *	IfxDma_getSrcPointer (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Returns the SRC pointer for given DMA channel. More...

IFX_INLINE void	IfxDma_setChannelInterruptServiceRequest (Ifx_DMA *dma, IfxDma_ChannelId channelId)
	Setting of channel interrupt service request by software. More...

Detailed Description

Function Documentation

IFX_INLINE void IfxDma_clearChannelInterrupt	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Clear a channel transfer interrupt flag.

Parameters

dma	pointer to DMA module
channelId	channel for which the interrupt flag should be cleared

Returns: None

see Dma.INTSR

Definition at line 1153 of file IfxDma.h.

Referenced by IfxDma_Dma_clearChannelInterrupt(), and IfxQspi_SpiMaster_isrDmaTransmit().

IFX_INLINE void IfxDma_disableChannelInterrupt	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Disable channel interrupt trigger.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: None

IfxDma_disableChannelInterrupt(chn[0].dma, chn[0].channelId);

Definition at line 1178 of file IfxDma.h.

IFX_INLINE void IfxDma_enableChannelInterrupt	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Enable channel interrupt trigger.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: None

IfxDma_enableChannelInterrupt(chn[0].dma, chn[0].channelId);

Definition at line 1222 of file IfxDma.h.

IFX_INLINE boolean IfxDma_getAndClearChannelInterrupt	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Return and clear a channel transfer interrupt flag The flag is automatically cleared with the call to this function.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: TRUE if the interrupt flag is set FALSE if the interrupt flag is not set

// wait for the end of transaction for intended channel by checking the channel interrupt flag
// and clear it once it is set and checked
// Wait till end of the transaction
while(!(IfxDma_getAndClearChannelInterrupt(chn[2].dma, chn[2].channelId)));

Definition at line 1266 of file IfxDma.h.

Referenced by IfxDma_Dma_getAndClearChannelInterrupt(), IfxQspi_SpiMaster_isrDmaReceive(), IfxQspi_SpiMaster_isrDmaTransmit(), IfxQspi_SpiMaster_isrError(), IfxQspi_SpiSlave_isrDmaReceive(), IfxQspi_SpiSlave_isrDmaTransmit(), and IfxQspi_SpiSlave_isrError().

IFX_INLINE boolean IfxDma_getAndClearChannelPatternDetectionInterrupt	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Returns and clears the pattern detection interrupt flag.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: TRUE if pattern detection for a given channel is found FALSE if pattern detection for a given channel is not found

// wait till pattern match is found for given channel
// and clear it once it is set and checked
// Wait for the pattern detection
while(!(IfxDma_getAndClearChannelPatternDetectionInterrupt(chn[0].dma, chn[0].channelId)));

Definition at line 1281 of file IfxDma.h.

Referenced by IfxQspi_SpiMaster_isrDmaReceive(), IfxQspi_SpiMaster_isrDmaTransmit(), IfxQspi_SpiSlave_isrDmaReceive(), and IfxQspi_SpiSlave_isrDmaTransmit().

IFX_INLINE boolean IfxDma_getAndClearChannelWrapDestinationBufferInterrupt	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Returns and clears the status of channel wrap destination buffer interrupt trigger flag.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: TRUE if wrap destination buffer interrupt trigger flag is set FALSE if wrap destination buffer interrupt trigger flag is not set or get cleared already

// wait for the destination buffer wrap interrupt flag
// and clear it once it is set and checked
boolean destinationWrapFlag;
destinationWrapFlag = IfxDma_getAndClearChannelWrapDestinationBufferInterrupt(chn[0].dma, chn[0].channelId);

Definition at line 1296 of file IfxDma.h.

IFX_INLINE boolean IfxDma_getAndClearChannelWrapSourceBufferInterrupt	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Returns and clears the status of channel wrap source buffer interrupt trigger flag.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: TRUE if wrap source buffer interrupt trigger flag is set FALSE if wrap source buffer interrupt trigger flag is not set or get cleared already

// wait for the source buffer wrap interrupt flag
// and clear it once it is set and checked
boolean sourceWrapFlag;
sourceWrapFlag = IfxDma_getAndClearChannelWrapSourceBufferInterrupt(chn[0].dma, chn[0].channelId);

Definition at line 1311 of file IfxDma.h.

IFX_INLINE boolean IfxDma_getChannelInterrupt	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Return a channel transfer interrupt flag.

Parameters

dma	pointer to DMA module
channelId	channel for which the interrupt flag should be returned

Returns: TRUE if the interrupt flag is set FALSE if the interrupt flag is not set

see Dma.INTSR

Definition at line 1338 of file IfxDma.h.

Referenced by IfxDma_Dma_getChannelInterrupt().

IFX_INLINE boolean IfxDma_getChannelPatternDetectionOldValue	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Returns whether the old value of pattern detection corresponding pattern comparison operation found a pattern match in previous DMA * read move or not.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: TRUE if corresponding pattern comparison operation found a pattern match in previous DMA read move or not FALSE if corresponding pattern comparison operation did not find a pattern match in previous DMA read move

boolean patternDetectOldVal;
// Check the old value of the pattern detection
patternDetectOldVal = IfxDma_getChannelPatternDetectionOldValue(chn[0].dma, chn[0].channelId);

Definition at line 1348 of file IfxDma.h.

IFX_INLINE volatile Ifx_SRC_SRCR * IfxDma_getSrcPointer	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Returns the SRC pointer for given DMA channel.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: SRC pointer for given DMA channel

Definition at line 1412 of file IfxDma.h.

Referenced by IfxDma_Dma_getSrcPointer(), IfxDma_Dma_initChannel(), IfxQspi_SpiMaster_initModule(), and IfxQspi_SpiSlave_initModule().

IFX_INLINE void IfxDma_setChannelInterruptServiceRequest	(	Ifx_DMA *	dma,
		IfxDma_ChannelId	channelId
	)

Setting of channel interrupt service request by software.

Parameters

dma	pointer to DMA module
channelId	DMA channel number

Returns: None

// Set the channel interrupt service request through software

IfxDma_setChannelInterruptServiceRequest(chn[0].dma, chn[0].channelId);

Definition at line 1490 of file IfxDma.h.

Functions

Detailed Description

Function Documentation