Serial Port Synchronization in Delphi

Question

I am still having issues with the TComPort component but this time is not the component itself is the logic behind it. I have a device witch sends some ascii strings via ser

Answer 1

Typical handler for OnRXChar event:

procedure XXX.RXChar(Sender: TObject; Count: Integer);
begin
  ComPort.ReadStr(s, Count);
  Accumulator := Accumulator + s;
  if not AccumContainsPacketStart then
    Accumulator := ''
  else if AccumContainsPacketEndAfterStart then begin
    ExtractFullStringFromAccum;
    ParseIt;
  end;
end;