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Die K8055D.DLL in Delphi verwenden
In diesem Anwendungsbeispiel werden die Arbeitsweisen und die Funktionen der K8055.DLL erklärt.
Auch werden die 2 wichtigsten DLL -Signale: OpenDevice und CloseDevice verdeutlicht.
unit K8055;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, ExtCtrls, ComCtrls;
type
TForm1 = class(TForm)
GroupBox1: TGroupBox;
SK6: TCheckBox;
SK5: TCheckBox;
Button1: TButton;
Label1: TLabel;
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
timed:boolean;
implementation
{$R *.DFM}
function OpenDevice(CardAddress: Longint): Longint; stdcall; external 'K8055d.dll';
procedure CloseDevice; stdcall; external 'K8055d.dll';
function ReadAnalogChannel(Channel: Longint):Longint; stdcall; external 'K8055d.dll';
procedure ReadAllAnalog(var Data1, Data2: Longint); stdcall; external 'K8055d.dll';
procedure OutputAnalogChannel(Channel: Longint; Data: Longint); stdcall; external
'K8055d.dll';
procedure OutputAllAnalog(Data1: Longint; Data2: Longint); stdcall; external 'K8055d.dll';
procedure ClearAnalogChannel(Channel: Longint); stdcall; external 'K8055d.dll';
procedure ClearAllAnalog; stdcall; external 'K8055d.dll';
procedure SetAnalogChannel(Channel: Longint); stdcall; external 'K8055d.dll';
procedure SetAllAnalog; stdcall; external 'K8055d.dll';
procedure WriteAllDigital(Data: Longint);stdcall;
procedure ClearDigitalChannel(Channel: Longint); stdcall; external 'K8055d.dll';
procedure ClearAllDigital; stdcall; external 'K8055d.dll';
procedure SetDigitalChannel(Channel: Longint); stdcall; external 'K8055d.dll';
procedure SetAllDigital; stdcall; external 'K8055d.dll';
function ReadDigitalChannel(Channel: Longint): Boolean; stdcall; external 'K8055d.dll';
function ReadAllDigital: Longint; stdcall; external 'K8055d.dll';
function ReadCounter(CounterNr: Longint): Longint; stdcall; external 'K8055d.dll';
procedure ResetCounter(CounterNr: Longint); stdcall; external 'K8055d.dll';
procedure SetCounterDebounceTime(CounterNr, DebounceTime:Longint); stdcall; external
'K8055d.dll';
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
CloseDevice;
end;
procedure TForm1.Button1Click(Sender: TObject);
var h,CardAddr:longint;
begin
CardAddr:= 3-(integer(SK5.Checked) + integer(SK6.Checked) * 2);
h:= OpenDevice(CardAddr);
case h of
0..3:
label12.caption:='Card
© 2003 ... Velleman
external 'K8055d.dll';
'+
inttostr(h)+'
connected';
K8055D.DLL
11
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