Struct TransferHeader

Header describing the content of a full SPI transfer

Inherited Members

ValueType.Equals(object)

ValueType.GetHashCode()

ValueType.ToString()

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Namespace: DuetControlServer.SPI.Communication.Shared

Assembly: DuetControlServer.dll

Syntax

public struct TransferHeader

Fields

ChecksumData16

CRC16 checksum of the transfer data (protocol version < 4)

Declaration

public ushort ChecksumData16

Field Value

Type	Description
ushort

ChecksumData32

CRC32 checksum of the transfer data (protocol version >= 4)

Declaration

public uint ChecksumData32

Field Value

Type	Description
uint

ChecksumHeader16

CRC16 checksum of the transfer header (protocol version < 4)

Declaration

public ushort ChecksumHeader16

Field Value

Type	Description
ushort

ChecksumHeader32

CRC32 checksum of the transfer header (protocol version >= 4)

Declaration

public uint ChecksumHeader32

Field Value

Type	Description
uint

DataLength

Total length of the data transfer in bytes

Declaration

public ushort DataLength

Field Value

Type	Description
ushort

FormatCode

Unique number representing the format used for this type of data transfer

Declaration

public byte FormatCode

Field Value

Type	Description
byte

See Also

FormatCode

NumPackets

Number of packets in the data transfer

Declaration

public byte NumPackets

Field Value

Type	Description
byte

ProtocolVersion

Version of the protocol. This is incremented whenever the protocol details change

Declaration

public ushort ProtocolVersion

Field Value

Type	Description
ushort

See Also

ProtocolVersion

SequenceNumber

Sequence number (auto-incremented), used to detect resets on either side

Declaration

public ushort SequenceNumber

Field Value

Type	Description
ushort