public Iso7816.ApduResponse SignalACR(string readerName, ACRReaderControl ctrl)
{
byte ledStateCtrl = 0;
if (ctrl.finalRed)
{
ledStateCtrl |= 1 << 0;
}
if (ctrl.finalGreen)
{
ledStateCtrl |= 1 << 1;
}
if (ctrl.redMask)
{
ledStateCtrl |= 1 << 2;
}
if (ctrl.greenMask)
{
ledStateCtrl |= 1 << 3;
}
if (ctrl.initRedBlink)
{
ledStateCtrl |= 1 << 4;
}
if (ctrl.initGreenBlink)
{
ledStateCtrl |= 1 << 5;
}
if (ctrl.redBlinkMask)
{
ledStateCtrl |= 1 << 6;
}
if (ctrl.greenBlinkMask)
{
ledStateCtrl |= 1 << 7;
}
byte[] ctrlData = new byte[] { ctrl.t1Duration, ctrl.t2Duration, ctrl.reps, ctrl.buzzer };
blockCardEvents += 1;
try
{
using (ISCardContext ctx = contextFactory.Establish(SCardScope.System))
using (ICardReader reader = ctx.ConnectReader(readerName, SCardShareMode.Direct, SCardProtocol.Unset))
{
var apdu = new Iso7816.ApduCommand(0xFF, 0x00, 0x40, ledStateCtrl, ctrlData, null);
return(reader.Control(apdu));
}
}
finally
{
new Thread(() =>
{
Thread.Sleep(((ctrl.t1Duration * 100) + (ctrl.t2Duration * 100)) * ctrl.reps);
blockCardEvents -= 1;
}).Start();
}
// For all I'm aware, this always returns a failure APDU, but the reader does perform the specified action.
}
public static Iso7816.ApduResponse Control(this ICardReader reader, Iso7816.ApduCommand apduCommand)
{
Iso7816.ApduResponse apduRes = Activator.CreateInstance(apduCommand.ApduResponseType) as Iso7816.ApduResponse;
byte[] resp = new byte[256];
int bytesReceived = reader.Control(Ioctl.CCID_ESCAPE, apduCommand.ToByteArray(), resp);
Array.Resize(ref resp, bytesReceived);
apduRes.ExtractResponse(resp);
return(apduRes);
}
private void TryTurnOffBeep(string readerName)
{
if (!readerName.Contains("ACR"))
{
return;
}
try
{
using (ISCardContext ctx = contextFactory.Establish(SCardScope.System))
using (ICardReader reader = ctx.ConnectReader(readerName, SCardShareMode.Direct, SCardProtocol.Unset))
{
var apdu = new Iso7816.ApduCommand(0xFF, 0x00, 0x52, 0x00, null, 0x00);
var res = reader.Control(apdu);
if (res.Succeeded)
{
StatusMessage?.Invoke("Turned off buzzer on " + reader.Name);
}
}
}
catch (Exception)
{
}
}
