ReadRequest.cs 935 B

1234567891011121314151617181920212223242526272829303132333435
  1. using PlcSiemens.O;
  2. using PlcSiemens.Protocol.Common;
  3. using PlcSiemens.Protocol.Header;
  4. namespace PlcSiemens.Protocol.ReadData
  5. {
  6. public class ReadRequest : IBuildRequest
  7. {
  8. public HeaderPacket Header { get; set; }
  9. public ReadParamsRequest Params { get; set; }
  10. public List<DataItem> ListItems { get; set; }
  11. public ReadRequest()
  12. {
  13. Header = new HeaderPacket();
  14. Params = new ReadParamsRequest();
  15. }
  16. public void Build()
  17. {
  18. Params.Build(ListItems);
  19. //因为包的长度不定 所以需要等参数构建好后才能构建Header
  20. Header.Build(PduType.Request, Params.PacketLength, 0x0000);
  21. }
  22. public ByteBuffer GetBuffer()
  23. {
  24. ByteBuffer buffer = ByteBuffer.Allocate();
  25. Header.GetByteBuffer(buffer);
  26. Params.GetByteBuffer(buffer);
  27. return buffer;
  28. }
  29. }
  30. }