public static void MainSelfLibNfc(string[] args)
{
Console.WriteLine("Hello");
Console.WriteLine("Using libnfc {0}", NfcContext.Version);
//CancellationTokenSource cts = new CancellationTokenSource();
//Console.CancelKeyPress += (s, e) =>
//{
// if (cts.IsCancellationRequested)
// {
// //Hard break, let it go
// }
// else
// {
// //soft break, handle it
// e.Cancel = true;
// cts.Cancel();
// }
//};
byte pollNr = 1;
byte period = 1;
var modulations = new[]
{
new NfcModulation(NfcModulationType.ISO14443A, NfcBaudRate.BR106),
new NfcModulation(NfcModulationType.ISO14443B, NfcBaudRate.BR106),
new NfcModulation(NfcModulationType.Felica, NfcBaudRate.BR212),
new NfcModulation(NfcModulationType.Felica, NfcBaudRate.BR424),
new NfcModulation(NfcModulationType.Jewel, NfcBaudRate.BR106),
};
Console.WriteLine("Opening libnfc context. sizeof(NfcModulation)={0}", Marshal.SizeOf <NfcModulation>());
using (NfcContext context = new NfcContext())
{
string[] devices = context.ListDevices();
Console.WriteLine("Found devices: [{0}]", string.Join(";", devices));
Console.WriteLine("Opening default device");
using (NfcDevice device = context.Open(null))
{
Console.WriteLine("Device opened");
Console.WriteLine(" name={0} constring={1}", device.Name, device.ConnectionString);
Console.WriteLine(" info={0}", device.GetInfo());
Console.WriteLine("Initializing as initiator");
INfcInitiator initiator = device.InitInitiator(false);
Console.WriteLine("NFC reader opened");
Console.WriteLine("NFC reader name: {0}", device.Name);
while (true)
{
PollTagsAndDisplayInfo(initiator);
}
}
}
}
public static Task <NfcTarget> PollAsync(this INfcInitiator initiator, NfcModulation[] modulations, byte period, CancellationToken cancellationToken)
{
TaskCompletionSource <NfcTarget> tcs = new TaskCompletionSource <NfcTarget>();
var data = new PollData
{
Initiator = (NfcDevice)initiator,
Modulations = modulations,
Period = period,
CancellationToken = cancellationToken,
Tcs = tcs,
};
ThreadPool.QueueUserWorkItem(PollAsync, data);
return(tcs.Task);
}
public static MifareTag SelectMifareTag(this INfcInitiator initiator)
{
NfcDevice device = (NfcDevice)initiator;
NfcModulation ncMifare = new NfcModulation(NfcModulationType.ISO14443A, NfcBaudRate.BR106);
NfcSelectedTarget target = initiator.Select(ncMifare);
if (target == null)
{
return(null);
}
if (target.Target.TasteMifareClassic1k())
{
return(new MifareClassic1kTag(target));
}
return(new GenericTag(target));
}
private static void PollTagsAndDisplayInfo(INfcInitiator initiator)
{
NfcModulation mod = new NfcModulation(NfcModulationType.ISO14443A, NfcBaudRate.BR106);
using (var tags = initiator.ListPassiveTargets(mod))
{
Console.WriteLine("Found tags: {0} for modulation {1}", tags.Count, mod);
Console.WriteLine("Last error: {0}", ((NfcDevice)initiator).LastError);
if (tags.Count == 0)
{
return;
}
foreach (var target in tags)
{
DisplayInfo(target);
}
}
////There are tags, select one
//Console.WriteLine("Selecting Mifare tag");
//var tag = initiator.SelectMifareTag();
//if (tag == null)
//{
// Console.WriteLine("No corresponding tags selected");
// return;
//}
//using (tag)
//{
// Console.WriteLine("Tag on board");
// while (tag.IsPresent())
// {
// Thread.Sleep(300);
// Console.Write(".");
// }
// Console.WriteLine();
// Console.WriteLine("Tag removed");
//}
}
