public static Memory <byte> TranslateToMemory(S7CommSetupDatagram datagram)
{
var result = S7HeaderDatagram.TranslateToMemory(datagram.Header);
S7CommSetupParameterDatagram.TranslateToMemory(datagram.Parameter, result.Slice(datagram.Header.GetHeaderSize()));
return(result);
}
public static IMemoryOwner <byte> TranslateToMemory(S7CommSetupDatagram datagram, out int memoryLength)
{
var result = S7HeaderDatagram.TranslateToMemory(datagram.Header, out memoryLength);
var take = memoryLength - datagram.Header.GetHeaderSize();
S7CommSetupParameterDatagram.TranslateToMemory(datagram.Parameter, result.Memory.Slice(datagram.Header.GetHeaderSize(), take));
return(result);
}
public static S7CommSetupDatagram TranslateFromMemory(Memory <byte> data)
{
var result = new S7CommSetupDatagram
{
Header = S7HeaderDatagram.TranslateFromMemory(data)
};
result.Parameter = S7CommSetupParameterDatagram.TranslateFromMemory(data.Slice(result.Header.GetHeaderSize()));
return(result);
}
public static S7CommSetupAckDataDatagram TranslateFromMemory(Memory <byte> data)
{
var result = new S7CommSetupAckDataDatagram
{
Header = S7AckDataDatagram.TranslateFromMemory(data),
};
result.Parameter = S7CommSetupParameterDatagram.TranslateFromMemory(data.Slice(result.Header.GetParameterOffset()));
return(result);
}
public static Memory <byte> TranslateToMemory(S7CommSetupParameterDatagram datagram, Memory <byte> memory)
{
var result = memory.IsEmpty ? new Memory <byte>(new byte[2]) : memory; // check if we could use ArrayBuffer
var span = result.Span;
span[0] = datagram.Function;
span[1] = datagram.Reserved;
BinaryPrimitives.WriteUInt16BigEndian(span.Slice(2, 2), datagram.MaxAmQCalling);
BinaryPrimitives.WriteUInt16BigEndian(span.Slice(4, 2), datagram.MaxAmQCalled);
BinaryPrimitives.WriteUInt16BigEndian(span.Slice(6, 2), datagram.PduLength);
return(result);
}
public static S7CommSetupParameterDatagram TranslateFromMemory(Memory <byte> data)
{
var span = data.Span;
var result = new S7CommSetupParameterDatagram
{
Function = span[0],
Reserved = span[1],
MaxAmQCalling = BinaryPrimitives.ReadUInt16BigEndian(span.Slice(2, 2)),
MaxAmQCalled = BinaryPrimitives.ReadUInt16BigEndian(span.Slice(4, 2)),
PduLength = BinaryPrimitives.ReadUInt16BigEndian(span.Slice(6, 2))
};
return(result);
}
