tagNvAvtp618836Fsd3Hdr Struct Reference

Detailed Description

Defines the AVTP 61883-6 header structure.

Definition at line 134 of file nvavtp.h.

Data Fields
U16	packetChannel:6
	Holds the channel as specified in IEEE standard 1394-2008. More...
U16	formatTag:2
	Holds the format specified by IEEE standard 1394-2008. More...
U16	syAppControl:4
	Holds application-specific information. More...
U16	packetTcode:4
	Holds type code as specified in IEEE standard 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 as defined in IEC 61883-1. More...
U16	dataBlockSize:8
	Holds 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 DBC as defined in IEC 61883-1:2003, as the sequence number of the first data block in AVTPDU. 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...
U16	formatDependentField:8
	Holds FDF as defined in in IEC 61883-1:2003. More...
U16	syt
	Holds synchronization timing as defined in IEC 61883-1. More...

Field Documentation

dataBlockContinuity

U16 tagNvAvtp618836Fsd3Hdr::dataBlockContinuity

Holds DBC as defined in IEC 61883-1:2003, as the sequence number of the first data block in AVTPDU.

Definition at line 163 of file nvavtp.h.

dataBlockSize

U16 tagNvAvtp618836Fsd3Hdr::dataBlockSize

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

Definition at line 149 of file nvavtp.h.

formatDependentField

U16 tagNvAvtp618836Fsd3Hdr::formatDependentField

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

If SPH is 0, then FDF is 8. If SPH is 1, then FDF is 24.

Definition at line 170 of file nvavtp.h.

formatId

U16 tagNvAvtp618836Fsd3Hdr::formatId

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

Definition at line 165 of file nvavtp.h.

formatTag

U16 tagNvAvtp618836Fsd3Hdr::formatTag

Holds the format specified by IEEE standard 1394-2008.

Definition at line 138 of file nvavtp.h.

fractionNumber

U16 tagNvAvtp618836Fsd3Hdr::fractionNumber

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

This is currently only used in IEC 61883-4:2004 and IEC 61883-7:2003.

Definition at line 160 of file nvavtp.h.

packetChannel

U16 tagNvAvtp618836Fsd3Hdr::packetChannel

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

Definition at line 136 of file nvavtp.h.

packetTcode

U16 tagNvAvtp618836Fsd3Hdr::packetTcode

Holds type code as specified in IEEE standard 1394-2008.

For AVTP the only supported value is A.

Definition at line 143 of file nvavtp.h.

quadletPaddingCount

U16 tagNvAvtp618836Fsd3Hdr::quadletPaddingCount

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

Definition at line 157 of file nvavtp.h.

reserved0

U16 tagNvAvtp618836Fsd3Hdr::reserved0

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

Definition at line 147 of file nvavtp.h.

reserved1

U16 tagNvAvtp618836Fsd3Hdr::reserved1

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

Definition at line 167 of file nvavtp.h.

rsv

U16 tagNvAvtp618836Fsd3Hdr::rsv

Reserved as defined in IEC 61883-1:2003.

Definition at line 151 of file nvavtp.h.

sourceId

U16 tagNvAvtp618836Fsd3Hdr::sourceId

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

Definition at line 145 of file nvavtp.h.

sourcePacketHeader

U16 tagNvAvtp618836Fsd3Hdr::sourcePacketHeader

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

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

Definition at line 155 of file nvavtp.h.

syAppControl

U16 tagNvAvtp618836Fsd3Hdr::syAppControl

Holds application-specific information.

Definition at line 140 of file nvavtp.h.

syt

U16 tagNvAvtp618836Fsd3Hdr::syt

Holds synchronization timing as defined in IEC 61883-1.

Definition at line 172 of file nvavtp.h.

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

• nvavtp.h