unit MainUnit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, scConnectEncrypt, ExtCtrls;

type
  TfrmMain = class(TForm)
    MeText: TMemo;
    Label3: TLabel;
    Edit3: TEdit;
    btnCheck: TButton;
    Timer1: TTimer;
    procedure btnCheckClick(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
  private

  public
    { Public declarations }
  end;

var
  frmMain: TfrmMain;

implementation

{$R *.dfm}

procedure TfrmMain.btnCheckClick(Sender: TObject);
var
  d: LongInt;
  a: array [0..2] of Byte;
  b: PByte;
begin
  b := @a;
//  b := @d;
  if ReadDogData($52, 3, b) then
    MeText.Lines.Add('Good Connection')
  else
    MeText.Lines.Add('Disconnection');

end;

procedure TfrmMain.Timer1Timer(Sender: TObject);
begin
  btnCheck.Click;
  CloseConnection;
  if not Open(2) then Application.Terminate;
end;

initialization
  if not Open(2) then Application.Terminate;

finalization
  CloseConnection;

end.