Hi,
Does the Cash drawer not send a command when it is closed again? If that is
the case, monitor the port for this command and use a boolean flag to
determine if it is open or closed.
I have never used it, but the above might be possible.
Regards,
W
On Mon, Jul 7, 2008 at 1:24 AM, Dave Coventry <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I'm using synapse to communicate with a cash drawer on my serial port,
> using Lazarus and fpc.
>
> I'm using the following code (lifted directly from the example)
>
> procedure TForm1.ButtonTenderedClick(Sender: TObject);
> var ser:TBlockSerial;
> begin
> showInput;
> Panel3.Visible:=false;
> LogicPath:=4;
> ser:=TBlockserial.Create;
> try
> ser.RaiseExcept:=True;
> ser.Connect('COM1');
> ser.Config(9600,8,'N',0,false,false);
> writeln (ser.ATCommand(#7));
> finally
> ser.Free;
> end;
> end;
>
> Does anyone know if I can interrogate the serial port to find out if
> the cash drawer is still open?
>
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