public static HashSet <ReadOperandsRequest> CreateMultiple(UnitronicsPLC plc, Dictionary <OperandType, HashSet <ushort> > operandAddresses)
{
HashSet <ReadOperandsRequest> requests = new HashSet <ReadOperandsRequest>();
ushort maximumBufferSize = (ushort)(plc.BufferSize - Response.HeaderLength - Response.FooterLength);
ReadOperandsRequest request = null;
foreach (OperandType operand in operandAddresses.Keys.OrderBy(type => (ushort)type))
{
foreach (ushort address in operandAddresses[operand].OrderBy(address => address))
{
if (request == null)
{
request = new ReadOperandsRequest(plc.UnitID);
}
else if (request.newOperandAddressFitsBuffer(operand, address, maximumBufferSize) == false)
{
requests.Add(request);
request = new ReadOperandsRequest(plc.UnitID);
}
request.addOperandAddress(plc, operand, address);
}
}
if (request != null && request.OperandRequests.Count > 0 && request.OperandRequests.Values.Any(request => request.Count > 0))
{
requests.Add(request);
}
return(requests);
}
public static ReadOperandsResponse UnpackResponseMessage(ReadOperandsRequest request, Memory <byte> responseMessage, bool disableChecksum = false)
{
return(new ReadOperandsResponse(request, responseMessage, disableChecksum));
}
