public static S7WriteJobDatagram TranslateFromMemory(Memory <byte> data)
{
var span = data.Span;
var result = new S7WriteJobDatagram
{
Header = S7HeaderDatagram.TranslateFromMemory(data),
};
var offset = result.Header.GetHeaderSize();
result.Function = span[offset++];
result.ItemCount = span[offset++];
for (var i = 0; i < result.ItemCount; i++)
{
var res = S7AddressItemSpecificationDatagram.TranslateFromMemory(data.Slice(offset));
result.Items.Add(res);
offset += res.GetSpecificationLength();
}
for (var i = 0; i < result.ItemCount; i++)
{
var res = S7DataItemSpecification.TranslateFromMemory(data.Slice(offset));
result.Data.Add(res);
offset += res.GetSpecificationLength();
}
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 S7AckDataDatagram TranslateFromMemory(Memory <byte> data)
{
var result = new S7AckDataDatagram
{
Header = S7HeaderDatagram.TranslateFromMemory(data)
};
result.Error = S7HeaderErrorCodesDatagram.TranslateFromMemory(data.Slice(result.Header.GetHeaderSize()));
return(result);
}
public static S7UserDataDatagram TranslateFromMemory(Memory <byte> data)
{
var span = data.Span;
var result = new S7UserDataDatagram
{
Header = S7HeaderDatagram.TranslateFromMemory(data),
Data = new S7UserData()
};
result.Parameter = S7UserDataParameter.TranslateFromMemory(data.Slice(result.Header.GetHeaderSize()));
var offset = result.Header.GetHeaderSize() + result.Parameter.GetParamSize();
result.Data.ReturnCode = span[offset++];
result.Data.TransportSize = span[offset++];
result.Data.UserDataLength = BinaryPrimitives.ReadUInt16BigEndian(span.Slice(offset, 2));
offset += 2;
result.Data.Data = new byte[result.Data.UserDataLength];
data.Slice(offset, result.Data.UserDataLength).CopyTo(result.Data.Data);
return(result);
}