private void DisplayMessage(string message, TimeSpan duration)
{
int Duration = (duration.TotalSeconds <= 60 ? (int)duration.TotalSeconds : 60);
CardCommand Command = new CardCommand();
Command.Cla = 0x20;
Command.Ins = 0x17;
Command.P1 = 0x40; // Display
Command.P2 = 0x00;
Command.AppendData(0x50, Encoding.ASCII.GetBytes(message)); //Display Message
if (duration != TimeSpan.Zero)
{
Command.AppendData(0x80, 0x60); //timeout: take 60: the real timeout is performed by 'sleep'
}
this.SendCommandToReader(Command);
Thread.Sleep(Duration * 1000);
}
private void ClearDisplay()
{
CardCommand Command = new CardCommand();
Command.Cla = 0x20;
Command.Ins = 0x17;
Command.P1 = 0x40; // Display
Command.P2 = 0x00;
Command.AppendData(0x50, 0x00); //Display empty message (->reset to default message)
this.SendCommandToReader(Command);
}
private byte[] GetVariableValue(string message, Variable variable, IVariableResolver resolver)
{
byte[] Data = null;
do
{
CardCommand Command = new CardCommand();
Command.Cla = 0x20;
Command.Ins = 0x16;
Command.P1 = 0x50; // Keyboard
Command.P2 = 0x02; // Display '*'
Command.AppendData(0x50, Encoding.ASCII.GetBytes(message)); //Display Message
Command.AppendData(0x80, 0x60); //Timeout
//For variable timeout use: Command.Append(0x80, (byte) (timeout.TotalSeconds <= 60 ? timeout.TotalSeconds : 60)); //Timeout
Command.Le = 0x00;
CardResponse Response;
try
{
resolver.NotifyVariableEntryBegins(variable.Name);
Response = this.SendCommandToReader(Command);
}
finally
{
resolver.NotifyVariableEntryEnded();
}
switch (Response.Status)
{
case 0x9000:
Data = Response.Data;
break;
case 0x6401:
throw new UserCancelException();
case 0x6410:
//TODO: auslagern in UIHandler
if (MessageBox.Show("The card readers pinpad is disabled.\n Please turn it on.", "Message", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
continue;
}
else
{
throw new UserCancelException();
}
case 0x6400:
//TODO: auslagern in UIHandler
if (MessageBox.Show("There was a timeout entering the PIN at the card reader.\nDo you want to retry?", "Question", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
continue;
}
else
{
throw new UserCancelException();
}
default:
throw new UnableToResolveVariableException(variable, $"Card reader returned unknown code 0x{Response.Status:4X}");
}
if (Data != null && (Data.Length < variable.MinLength || Data.Length > variable.Length))
{
this.DisplayMessage(Orgamkt5CardReader.LayoutDisplayMessage("Pin entry error!\nPlease retry!", 0), TimeSpan.FromSeconds(2));
Data = null;
}
} while (Data == null);
this.ClearDisplay();
return(Data);
}