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procedure TfrmMain.btReadClick(Sender: TObject);
begin
  if (ComPort_ = nil) then
  begin
    exit;
  end;


  readBuf := '';
  readBuf := ComPort_.Read();
  if (readBuf <> '') then
  begin
    mmRead.Text := readBuf;
  end;
end;

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$Poti1|0$Poti2|1023$Foto1|470
$Poti1|0$Poti2|1023$Foto1|477
$Poti1|0$Poti2|1023$Foto1|468
$Poti1|0$Poti2|920$Foto1|176
$Poti1|56$Poti2|830$Foto1|136
$Poti1|132$Poti2|830$Foto1|462

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unit ComMainForm;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, ExtCtrls, CPort, CPortCtl;

type
  TForm1 = class(TForm)
    ComPort: TComPort;
    Memo: TMemo;
    Button_Open: TButton;
    Button_Settings: TButton;
    Edit_Data: TEdit;
    Button_Send: TButton;
    NewLine_CB: TCheckBox;
    Panel1: TPanel;
    Bt_Store: TButton;
    Bt_Load: TButton;
    ComLed1: TComLed;
    ComLed2: TComLed;
    ComLed3: TComLed;
    ComLed4: TComLed;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    ComLed5: TComLed;
    ComLed6: TComLed;
    Label1: TLabel;
    Label6: TLabel;
    Panel2: TPanel;
    Label7: TLabel;
    Label8: TLabel;
    Label9: TLabel;
    Label10: TLabel;
    Button1: TButton;
    Panel3: TPanel;
    Panel4: TPanel;
    Display1: TLabel;
    Label12: TLabel;
    Label13: TLabel;
    Panel5: TPanel;
    Panel6: TPanel;
    Display2: TLabel;
    Label14: TLabel;
    Label15: TLabel;
    Panel7: TPanel;
    Panel8: TPanel;
    Display3: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Label11: TLabel;
    Label18: TLabel;
    Label19: TLabel;
    Label20: TLabel;
    Label21: TLabel;
    Label22: TLabel;
    Button2: TButton;
    procedure Button_OpenClick(Sender: TObject);
    procedure Button_SettingsClick(Sender: TObject);
    procedure Button_SendClick(Sender: TObject);
    procedure ComPortOpen(Sender: TObject);
    procedure ComPortClose(Sender: TObject);
    procedure ComPortRxChar(Sender: TObject; Count: Integer);
    procedure Bt_LoadClick(Sender: TObject);
    procedure Bt_StoreClick(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  Eingehend: String;
  s : String;
  StrL : TStringList;

implementation

{$R *.DFM}

procedure TForm1.Button_OpenClick(Sender: TObject);
begin
  if ComPort.Connected then
    ComPort.Close
  else
    ComPort.Open;
end;

procedure TForm1.Button_SettingsClick(Sender: TObject);
begin
  ComPort.ShowSetupDialog;
end;

procedure TForm1.Button_SendClick(Sender: TObject);
var
  Str: String;
begin
  Str := Edit_Data.Text;
  if NewLine_CB.Checked then
    Str := Str + #13#10;
  ComPort.WriteStr(Str);
end;

procedure TForm1.ComPortOpen(Sender: TObject);
begin
  Button_Open.Caption := 'Trennen';
  Label10.Caption := 'Port geöffnet';
  Label10.Font.Color := clGreen;
end;

procedure TForm1.ComPortClose(Sender: TObject);
begin
  if Button_Open <> nil then
    Button_Open.Caption := 'Verbinden';
    Label10.Caption := 'Port geschlossen';
    Label10.Font.Color := clRed;
end;

procedure TForm1.ComPortRxChar(Sender: TObject; Count: Integer);
begin
  ComPort.ReadStr(Eingehend, Count);
  Memo.Text := Memo.Text + Eingehend;
 s:=Eingehend;
 s:=StringReplace(s,'$',',',[rfReplaceAll]);
 StrL:=TStringList.Create;
 StrL.CommaText:=S;
 Label20.Caption:=StrL[0];
 Label21.Caption:=StrL[1];
 Label22.Caption:=StrL[2];
 StrL.Free;
end;

procedure TForm1.Bt_LoadClick(Sender: TObject);
begin
  ComPort.LoadSettings(stRegistry, 'HKEY_LOCAL_MACHINE\Software\Dejan');
//  ComPort.LoadSettings(stIniFile, 'e:\Test.ini');
end;

procedure TForm1.Bt_StoreClick(Sender: TObject);
begin
//  ComPort.StoreSettings(stIniFile, 'e:\Test.ini');
  ComPort.StoreSettings(stRegistry, 'HKEY_LOCAL_MACHINE\Software\Dejan');
end;



end.

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procedure TForm1.ComPortRxChar(Sender: TObject; Count: Integer);
begin
  ComPort.ReadStr(Eingehend, Count);
  Memo.Text := Memo.Text + Eingehend;
 s:=Eingehend;
 s:=StringReplace(s,'$',',',[rfReplaceAll]);
 StrL:=TStringList.Create;
 StrL.CommaText:=S;
 Label20.Caption:=StrL[0];
 Label21.Caption:=StrL[1];
 Label22.Caption:=StrL[2];
 StrL.Free;
end;

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procedure TForm1.ComPortRxChar(Sender: TObject; Count: Integer);
var
  Str: String;
begin
  ComPort.ReadStr(Str, Count);
  Memo.Text := Memo.Text + Str;
  Label7.Caption := Str;
end;