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 bool Correlate(S7CommSetupDatagram o1, S7CommSetupAckDataDatagram o2)
{
//Test ack
if (o1.Header.RedundancyIdentification == o2.Header.Header.RedundancyIdentification)
{
return(true);
}
return(false);
}
public static S7CommSetupDatagram Build(SiemensPlcProtocolContext context)
{
//TODO we need a parameter for the UnitId
var result = new S7CommSetupDatagram
{
Parameter = new S7CommSetupParameterDatagram
{
MaxAmQCalling = context.MaxParallelJobs,
MaxAmQCalled = context.MaxParallelJobs,
PduLength = context.PduSize
}
};
return(result);
}
public static S7CommSetupDatagram Build(SiemensPlcProtocolContext context, int id)
{
//TODO we need a parameter for the UnitId
var result = new S7CommSetupDatagram
{
Parameter = new S7CommSetupParameterDatagram
{
MaxAmQCalling = context.MaxAmQCalling,
MaxAmQCalled = context.MaxAmQCalled,
PduLength = context.PduSize
}
};
result.Header.ProtocolDataUnitReference = (ushort)id;
return(result);
}
public static S7CommSetupAckDataDatagram BuildFrom(SiemensPlcProtocolContext context, S7CommSetupDatagram incoming, int id)
{
context.MaxAmQCalling = Math.Min(incoming.Parameter.MaxAmQCalling, context.MaxAmQCalling);
context.MaxAmQCalled = Math.Min(incoming.Parameter.MaxAmQCalled, context.MaxAmQCalled);
context.PduSize = Math.Min(incoming.Parameter.PduLength, context.PduSize);
//TODO we need a parameter for the UnitId
var result = new S7CommSetupAckDataDatagram
{
Parameter = new S7CommSetupParameterDatagram
{
MaxAmQCalling = context.MaxAmQCalling,
MaxAmQCalled = context.MaxAmQCalled,
PduLength = context.PduSize
}
};
result.Header.Header.ProtocolDataUnitReference = (ushort)id;
result.Header.Header.ParamLength = 8;
return(result);
}
