public NfcContext()
{
Libnfc.Init(out contextPointer);
if (contextPointer == IntPtr.Zero)
{
throw new Exception("Unable to init libnfc (malloc)");
}
}
public void DeviceSetPropertyBool(NfcProperty property, bool enable)
{
var result = Libnfc.DeviceSetPropertyBool(devicePointer, property, enable);
if (result < 0)
{
Perror("nfc_device_set_property_bool");
throw new Exception("nfc_device_set_property_bool");
}
}
public void InitiatorInit()
{
var result = Libnfc.InitiatorInit(devicePointer);
if (result < 0)
{
Perror("nfc_initiator_init");
throw new Exception("nfc_initiator_init");
}
}
protected virtual void Dispose(bool disposing)
{
if (!this.disposed)
{
if (disposing)
{
// Dispose managed resources.
// component.Dispose();
}
Libnfc.Exit(contextPointer);
contextPointer = IntPtr.Zero;
disposed = true;
}
}
public List <string> ListDevices(int count = Libnfc.MaxUserDefinedDevices + 6)
{
IntPtr connectionStringsPointer = Marshal.AllocHGlobal(Libnfc.ConnectStringBufferSize * count);
var devicesCount = Libnfc.ListDevices(contextPointer, connectionStringsPointer, (uint)count);
var devices = new List <string>((int)devicesCount);
for (int i = 0; i < devicesCount; i++)
{
devices.Add(Marshal.PtrToStringAnsi(connectionStringsPointer + i * count));
}
Marshal.FreeHGlobal(connectionStringsPointer);
return(devices);
}
public virtual NfcDevice OpenDevice(string name = null)
{
IntPtr devicePointer;
try
{
devicePointer = Libnfc.Open(contextPointer, name);
if (devicePointer == IntPtr.Zero)
{
throw new Exception();
}
}
catch (Exception)
{
throw new Exception("Error opening NFC reader");
}
return(new NfcDevice(devicePointer));
}
public string Version() => Libnfc.Version();
public void Perror(string s) => Libnfc.Perror(devicePointer, s);
public int InitiatorTransceiveBytes(byte[] pbtTx, uint szTx, byte[] pbtRx, uint szRx, int timeout) => Libnfc.InitiatorTransceiveBytes(devicePointer, pbtTx, szTx, pbtRx, szRx, timeout);
public int InitiatorTransceiveBytesTimed(byte[] pbtTx, uint szTx, byte[] pbtRx, uint szRx, ref uint cycles) => Libnfc.InitiatorTransceiveBytesTimed(devicePointer, pbtTx, szTx, pbtRx, szRx, ref cycles);
public int InitiatorTransceiveBits(byte[] pbtTx, uint szTxBits, byte[] pbtTxPar, byte[] pbtRx, uint szRx, byte[] pbtRxPar) => Libnfc.InitiatorTransceiveBits(devicePointer, pbtTx, szTxBits, pbtTxPar, pbtRx, szRx, pbtRxPar);
