public static bool TasteMifareMini(this NfcTarget target)
{
NfcModulation nm = target.ReadModulation();
nfc_iso14443a_info nai = target.ReadInfo <nfc_iso14443a_info>();
return(nm.ModulationType == NfcModulationType.ISO14443A && (
nai.btSak == 0x09
));
}
protected override async Task ExecuteAsync(CancellationToken cancellationToken)
{
this.m_logger.LogInformation("Started nfcService");
//byte pollNr = 20;
//byte period = 2;
//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),
//};
NfcModulation mod = new NfcModulation(NfcModulationType.ISO14443A, NfcBaudRate.BR106);
using (NfcContext ctx = new NfcContext())
using (var device = ctx.Open(null))
{
var initiator = device.InitInitiator(false);
while (!cancellationToken.IsCancellationRequested)
{
var tag = initiator.SelectMifareTag();
if (tag == null)
{
await Task.Delay(100, cancellationToken);
continue;
}
using (tag)
{
this.m_logger.LogInformation("Card detected");
this.m_hub.All.cardOn();
while (tag.IsPresent() && !cancellationToken.IsCancellationRequested)
{
await Task.Delay(100, cancellationToken);
}
this.m_logger.LogInformation("Card removed");
this.m_hub.All.cardOff();
}
await Task.Delay(1000, cancellationToken);
}
}
this.m_logger.LogInformation("Stopped nfcService");
}
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");
//}
}
public static extern int initiator_select_passive_target(IntPtr device, NfcModulation modulation, IntPtr pbtInitData, int szInitData, IntPtr pnt);
public static extern int initiator_list_passive_targets(IntPtr device, NfcModulation modulation, IntPtr targets, int targetsCount);
