//NfcTarget INfcInitiator.Poll(NfcModulation[] modulations, byte pollNr, byte period)
//{
// this.SetProperty(NfcProperty.NP_ACTIVATE_FIELD, false);
// this.SetProperty(NfcProperty.NP_HANDLE_CRC, true);
// this.SetProperty(NfcProperty.NP_HANDLE_PARITY, true);
// this.SetProperty(NfcProperty.NP_AUTO_ISO14443_4, true);
// this.SetProperty(NfcProperty.NP_ACTIVATE_FIELD, true);
// NfcTarget[] targets = new NfcTarget[10];
// GCHandle h = GCHandle.Alloc(targets, GCHandleType.Pinned);
// try
// {
// int count = NativeMethods.initiator_list_passive_targets(this.m_ptr, modulations[0], h.AddrOfPinnedObject(), targets.Length);
// if (count < 0)
// NfcException.Raise((NfcError)count);
// if (count == 0)
// return null;
// }
// finally
// {
// h.Free();
// }
//}
NfcTarget INfcInitiator.Poll(NfcModulation[] modulations, byte pollNr, byte period)
{
IntPtr nfcTarget = IntPtr.Zero;
int count;
GCHandle gc = GCHandle.Alloc(modulations, GCHandleType.Pinned);
try
{
int size = Marshal.SizeOf <Interop.nfc_target>();
nfcTarget = Marshal.AllocHGlobal(size);
Console.WriteLine("Allocated nfcTarget memory. size={0} ptr={1}", size, nfcTarget);
count = NativeMethods.initiator_poll_target(this.handle, modulations, (uint)modulations.Length, pollNr, period, nfcTarget);
Console.WriteLine($"episage nfc returned {count}");
}
finally
{
Marshal.FreeHGlobal(nfcTarget);
gc.Free();
}
if (count < 0)
{
Console.WriteLine("LastError={0}", this.LastError);
NfcException.Raise((NfcError)count);
}
if (count == 0)
{
return(null);
}
NfcTarget target = new NfcTarget(this, nfcTarget);
return(target);
}
protected override void FreeHandle()
{
NfcError code = NativeMethods.initiator_deselect_target(this.m_device.DangerousGetHandle());
if (code != NfcError.Success)
{
NfcException.Raise(code);
}
Marshal.FreeHGlobal(this.handle);
}
public INfcInitiator InitInitiator(bool secure)
{
NfcError ret;
if (secure)
{
ret = NativeMethods.initiator_init_secure_element(this.handle);
}
else
{
ret = NativeMethods.initiator_init(this.handle);
}
NfcException.Raise(ret);
return(this);
}
NfcSelectedTarget INfcInitiator.Select(NfcModulation modulation)
{
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf <nfc_target>());
int code = NativeMethods.initiator_select_passive_target(this.handle, modulation, IntPtr.Zero, 0, ptr);
if (code < 0)
{
Marshal.FreeHGlobal(ptr);
NfcException.Raise((NfcError)code);
}
if (code == 0)
{
Marshal.FreeHGlobal(ptr);
return(null);
}
return(new NfcSelectedTarget(ptr, this));
}
NfcTargetList INfcInitiator.ListPassiveTargets(NfcModulation modulation)
{
int size = Marshal.SizeOf <nfc_target>() * MAX_CANDIDATES;
IntPtr ptrData = Marshal.AllocHGlobal(size);
int count = NativeMethods.initiator_list_passive_targets(this.handle, modulation, ptrData, MAX_CANDIDATES);
if (count < 0)
{
Marshal.FreeHGlobal(ptrData);
NfcException.Raise((NfcError)count);
return(null);
}
if (count == 0)
{
Marshal.FreeHGlobal(ptrData);
return(new NfcTargetList(IntPtr.Zero, 0, this));
}
return(new NfcTargetList(ptrData, count, this));
}
public void SetProperty(NfcProperty property, bool value)
{
NfcError err = NativeMethods.device_set_property_bool(this.handle, property, value);
NfcException.Raise(err);
}