tagNvAvtp618834Fsd3Hdr Struct Reference

Detailed Description

Holds the AVTP 61883-4 header structure.

Definition at line 176 of file nvavtp.h.

Data Fields
U16	packetChannel:6
	Holds the channel as specified in IEEE Std 1394-2008. More...
U16	formatTag:2
	Holds the format specified by IEEE Std 1394-2008. More...
U16	syAppControl:4
	Holds the application-specific data. More...
U16	packetTcode:4
	Holds the type code as specified in IEEE Std 1394-2008. More...
U16	sourceId:6
	Holds the source identifier as specified in IEC 61883-1. More...
U16	reserved0:2
	Holds the CIP header 1st quadlet indicator defined in IEC 61883-1. More...
U16	dataBlockSize:8
	Holds the data block size in quadlets as specified in IEC 61883-1:2003. More...
U16	rsv:2
	Reserved as defined in IEC 61883-1:2003. More...
U16	sourcePacketHeader:1
	Holds the source packet header as defined in IEC 61883-1:2003. More...
U16	quadletPaddingCount:3
	Holds the quadlet padding count as defined in IEC 61883-1:2003. More...
U16	fractionNumber:2
	Holds the fraction number as defined in IEC 61883-1. More...
U16	dataBlockContinuity:8
	Holds the DBC as defined in IEC 61883-1:2003. More...
U16	formatId:6
	Holds the format ID as defined in IEC 61883-1:2003. More...
U16	reserved1:2
	Holds the CIP header 2nd quadlet indicator defined in IEC 61883-1. More...
U32	formatDependentField:24
	Holds the FDF as defined in in IEC 61883-1:2003. More...

Field Documentation

dataBlockContinuity

U16 tagNvAvtp618834Fsd3Hdr::dataBlockContinuity

Holds the DBC as defined in IEC 61883-1:2003.

Contains the the sequence number of the first data block in AVTPDU.

Definition at line 205 of file nvavtp.h.

dataBlockSize

U16 tagNvAvtp618834Fsd3Hdr::dataBlockSize

Holds the data block size in quadlets as specified in IEC 61883-1:2003.

Definition at line 191 of file nvavtp.h.

formatDependentField

U32 tagNvAvtp618834Fsd3Hdr::formatDependentField

Holds the FDF as defined in in IEC 61883-1:2003.

If SPH is 0, then FDF is 8. If SPH is 1, then FDF is 20.

Definition at line 212 of file nvavtp.h.

formatId

U16 tagNvAvtp618834Fsd3Hdr::formatId

Holds the format ID as defined in IEC 61883-1:2003.

Definition at line 207 of file nvavtp.h.

formatTag

U16 tagNvAvtp618834Fsd3Hdr::formatTag

Holds the format specified by IEEE Std 1394-2008.

Definition at line 180 of file nvavtp.h.

fractionNumber

U16 tagNvAvtp618834Fsd3Hdr::fractionNumber

Holds the fraction number as defined in IEC 61883-1.

Currently only used in IEC 61883-4:2004 & IEC 61883-7:2003.

Definition at line 202 of file nvavtp.h.

packetChannel

U16 tagNvAvtp618834Fsd3Hdr::packetChannel

Holds the channel as specified in IEEE Std 1394-2008.

Definition at line 178 of file nvavtp.h.

packetTcode

U16 tagNvAvtp618834Fsd3Hdr::packetTcode

Holds the type code as specified in IEEE Std 1394-2008.

For AVTP, the only value supported is A.

Definition at line 185 of file nvavtp.h.

quadletPaddingCount

U16 tagNvAvtp618834Fsd3Hdr::quadletPaddingCount

Holds the quadlet padding count as defined in IEC 61883-1:2003.

Definition at line 199 of file nvavtp.h.

reserved0

U16 tagNvAvtp618834Fsd3Hdr::reserved0

Holds the CIP header 1st quadlet indicator defined in IEC 61883-1.

Definition at line 189 of file nvavtp.h.

reserved1

U16 tagNvAvtp618834Fsd3Hdr::reserved1

Holds the CIP header 2nd quadlet indicator defined in IEC 61883-1.

Definition at line 209 of file nvavtp.h.

rsv

U16 tagNvAvtp618834Fsd3Hdr::rsv

Reserved as defined in IEC 61883-1:2003.

Definition at line 193 of file nvavtp.h.

sourceId

U16 tagNvAvtp618834Fsd3Hdr::sourceId

Holds the source identifier as specified in IEC 61883-1.

Definition at line 187 of file nvavtp.h.

sourcePacketHeader

U16 tagNvAvtp618834Fsd3Hdr::sourcePacketHeader

Holds the source packet header as defined in IEC 61883-1:2003.

Holds 1 if AVTPDU contains IEC 61883-4:2004 and IEC 61883-7:2003 and holds 0 if AVTPU.

Definition at line 197 of file nvavtp.h.

syAppControl

U16 tagNvAvtp618834Fsd3Hdr::syAppControl

Holds the application-specific data.

Definition at line 182 of file nvavtp.h.

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

• nvavtp.h