/// <summary>
/// Sample code to hande a couple of different cards based on the identification process
/// </summary>
/// <returns>None</returns>
private async Task HandleCard(CardAddedEventArgs args)
{
try
{
card?.Dispose();
card = args.SmartCard.CreateMiFareCard();
var cardIdentification = await card.GetCardInfo();
DisplayText("Connected to card\r\nPC/SC device class: " + cardIdentification.PcscDeviceClass.ToString() + "\r\nCard name: " + cardIdentification.PcscCardName.ToString());
if (cardIdentification.PcscDeviceClass == MiFare.PcSc.DeviceClass.StorageClass &&
(cardIdentification.PcscCardName == CardName.MifareStandard1K || cardIdentification.PcscCardName == CardName.MifareStandard4K))
{
// Handle MIFARE Standard/Classic
DisplayText("MIFARE Standard/Classic card detected");
var uid = await card.GetUid();
DisplayText("UID: " + BitConverter.ToString(uid));
// 16 sectors, print out each one
for (var sector = 0; sector < 16; sector++)
{
try
{
var data = await card.GetData(sector, 0, 48);
string hexString = "";
for (int i = 0; i < data.Length; i++)
{
hexString += data[i].ToString("X2") + " ";
}
DisplayText(string.Format("Sector '{0}':{1}", sector, hexString));
}
catch (Exception)
{
DisplayText("Failed to load sector: " + sector);
}
}
}
}
catch (Exception e)
{
PopupMessage("HandleCard Exception: " + e.Message);
}
}
private async void CardAdded(object sender, CardEventArgs args)
{
cardEventArg = args;
lblCardPresence.Invoke(new Action(() => lblCardPresence.Text = "Card Present"));
MiFareCard card = args.SmartCard.CreateMiFareCard();
var cardIdentification = await card.GetCardInfo();
var uid = await card.GetUid();
lblCardInfo.Invoke(new Action(() => lblCardInfo.Text = "Card Info \n Device Class: " + cardIdentification.PcscDeviceClass.ToString() + "\n Card Name: " + cardIdentification.PcscCardName.ToString() + "\n Card UID: " + BitConverter.ToString(uid)));
}
public static int Anticollision(IntPtr obj, IntPtr serialNumberBuf, int bufSize, IntPtr serialNumberSize)
{
string text =
$"!!! Anticollision !!!\tobj:{obj}\tSerialNumberBuf:{serialNumberBuf}\tBufSize:{bufSize}\tSerialNumberSize:{serialNumberSize}\t";
WriteToLog(text);
try
{
var uid = _card?.GetUid().Result;
if (uid != null)
{
byte[] truncUid = new byte[Math.Min(bufSize, uid.Length)];
Array.Copy(uid, truncUid, truncUid.Length);
UnMemory <int> .SaveInMem(truncUid.Length, ref serialNumberSize);
UnMemory <byte> .SaveInMemArr(uid, ref serialNumberBuf);
//Marshal.StructureToPtr(memory_object, SerialNumberBuf, true);
var uidWrited = UnMemory <byte> .ReadInMemArr(serialNumberBuf, truncUid.Length);
var serialNumberSizeWrited = UnMemory <int> .ReadInMem(serialNumberSize);
text =
$"!!! Anticollision over !!!\tobj:{obj}\tSerialNumberBuf:{serialNumberBuf}\tBufSize:{bufSize}\tuid:{BitConverter.ToString(uid)}\tuid_w:{BitConverter.ToString(uidWrited ?? new byte[] {})}\tSerialNumberSize:{serialNumberSize}\tSerialNumberSize_writed:{serialNumberSizeWrited}\t";
WriteToLog(text);
return((int)ErrorCodes.E_SUCCESS);
}
WriteToLog($"Anticollision ERROR !!! _card:{_card == null}\r\n uid:{uid == null}");
return((int)ErrorCodes.E_CARDREADER_NOT_INIT);
}
catch (Exception e)
{
WriteToLog($"Anticollision ERROR !!! {text}\r\n {e}");
return((int)ErrorCodes.E_GENERIC);
}
}
private static async Task HandleCard(SmartCard args)
{
try
{
var newConnection = args.CreateMiFareCard();
lock (cardConnectionLock)
{
if (currentConnection != null)
{
currentConnection.Dispose();
currentCardId = null;
currentConnection = null;
}
currentConnection = newConnection;
}
var cardId = await currentConnection.GetCardInfo();
Debug.WriteLine("Connected to card\r\nPC/SC device class: {0}\r\nCard name: {1}", cardId.PcscDeviceClass, cardId.PcscCardName);
if (cardId.PcscDeviceClass == DeviceClass.StorageClass &&
(cardId.PcscCardName == CardName.MifareStandard1K || cardId.PcscCardName == CardName.MifareStandard4K))
{
Debug.WriteLine("MiFare Classic card detected");
var uid = await currentConnection.GetUid();
currentCardId = uid.ByteArrayToString();
Debug.WriteLine("UID: " + currentCardId);
}
else
{
throw new NotImplementedException("Card type is not implemented");
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
