private RFManagementNotification NCIWaitForNotification(int timeout)
{
NotificationPacket packet;
do
{
packet = WaitForNotification(timeout);
}
//if ((AnswerBuffer[0] == 0x61) || (AnswerBuffer[1] == 0x05))
while (packet.MessageType != PacketTypeEnum.ControlNotification || packet.PacketBoundryFlag != PacketBoundryFlagEnum.CompleteMessageOrLastSegment ||
packet.GroupIdentifier != GroupIdentifierEnum.RFMANAGEMENT ||
packet.OpcodeIdentifier != (byte)OpcodeRFIdentifierEnum.RF_INTF_ACTIVATED_NTF &&
packet.OpcodeIdentifier != (byte)OpcodeRFIdentifierEnum.RF_DISCOVER_CMD);
RFManagementNotification resp;
if (packet.OpcodeIdentifier == (byte)OpcodeRFIdentifierEnum.RF_DISCOVER_CMD)
{
resp = new RFDiscoverNotification(PacketBoundryFlagEnum.CompleteMessageOrLastSegment);
}
else if (packet.OpcodeIdentifier == (byte)OpcodeRFIdentifierEnum.RF_INTF_ACTIVATED_NTF)
{
resp = new RFInterfaceActivationNotification(PacketBoundryFlagEnum.CompleteMessageOrLastSegment);
}
else
{
throw new Exception("Invalid OpcodeRFIdentifierEnum sequence: " + packet.OpcodeIdentifier);
}
resp.deserialize(packet.serialize());//TODO: to many deserialize / serialize?
NCI_PRINT(resp.ToString());
return(resp);
}
private RFInterfaceActivationNotification ProcessRFNotification(RFManagementNotification notification)
{
RFInterfaceActivationNotification nd = null;
if (notification is RFInterfaceActivationNotification)
{
nd = (RFInterfaceActivationNotification)notification;
}
else if (notification is RFDiscoverNotification) //RF_DISCOVER_NTF
{
List <RFDiscoverNotification> rfdns = new List <RFDiscoverNotification>();
RFDiscoverNotification rfdn = (RFDiscoverNotification)notification;
while (rfdn.DiscoverNotificationType == DiscoverNotificationTypeEnum.MORE_TO_COME)
{
rfdns.Add(rfdn);
rfdn = (RFDiscoverNotification)NCIWaitForNotification(100);
}
rfdns.Add(rfdn);
if (rfdns.Count > 1)
{
//need to choose one
foreach (RFDiscoverNotification r in rfdns)
{
if (r.RFProtocol == RFProtocolEnum.PROT_ISODEP)
{
rfdn = r;
break;
}
}
}
if (rfdn.RFProtocol == RFProtocolEnum.PROT_ISODEP)
{
RFDiscoverSelectCommand cmd2 = new RFDiscoverSelectCommand(PacketBoundryFlagEnum.CompleteMessageOrLastSegment)
{
RFDiscoveryId = rfdn.RFDiscoveryId,
RFProtocol = rfdn.RFProtocol,
RFInterface = RFInterfaceEnum.INTF_ISODEP //INTF_UNDETERMINED
};
RFDiscoverSelectResponse resp = new RFDiscoverSelectResponse(PacketBoundryFlagEnum.CompleteMessageOrLastSegment);
SendCommand(cmd2, resp);
//if ((AnswerBuffer[0] == 0x41) || (AnswerBuffer[1] == 0x04) || (AnswerBuffer[3] == 0x00))
if (resp.MessageType != PacketTypeEnum.ControlResponse ||
resp.PacketBoundryFlag != PacketBoundryFlagEnum.CompleteMessageOrLastSegment ||
resp.GroupIdentifier != GroupIdentifierEnum.RFMANAGEMENT ||
resp.OpcodeIdentifier != OpcodeRFIdentifierEnum.RF_DISCOVER_SELECT_CMD ||
resp.Status != ReponseCode.STATUS_OK)
{
nd = (RFInterfaceActivationNotification)NCIWaitForNotification(100);
}
}
else
{
throw new Exception("Invalid RFProtocol");
}
}
return(nd);
}
private void DisplayCardInfo(RFInterfaceActivationNotification rfIAN)
{
NCI_PRINT(rfIAN.TechSpecificParam.ToString());
}
private void StartPollingLoop()
{
stopPollingLoop = false;
Task.Run(() =>
{
while (1 == 1)
{
try
{
RFManagementNotification notification;
try
{
notification = NCIWaitForNotification(100);
}
catch (TMLTimeoutException te)
{
if (stopPollingLoop)
{
//cardReaderHAL.Close();
break;
}
else
{
continue;
}
}
catch (Exception ex)
{
throw ex;
}
RFInterfaceActivationNotification rfIAN = ProcessRFNotification(notification);
if (((byte)rfIAN.RFTechnologiesAndMode & (byte)RFModeMaskEnum.MODE_MASK) == (byte)RFModeMaskEnum.MODE_POLL)
{
if ((rfIAN.RFProtocol != RFProtocolEnum.PROT_NFCDEP) && (rfIAN.RFInterface != RFInterfaceEnum.INTF_UNDETERMINED))
{
try
{
//NCI_PRINT("POLL MODE: Remote T{0:d}T activated", notification.RFProtocol);
OnCardPutInField(EventArgs.Empty);
while (hostTimeoutCounter > 0)
{
int delay = HOST_TIMEOUT / 5;
Task.Delay(TimeSpan.FromMilliseconds(delay)).Wait();
hostTimeoutCounter -= delay;
}
/* Process card Presence check */
NCIProcessReaderMode(rfIAN.RFProtocol, NxpNciRWOperationEnum.PRESENCE_CHECK);
NCI_PRINT("CARD REMOVED\n");
OnCardRemovedFromField(EventArgs.Empty);
/* Restart the discovery loop */
NCIRestartDiscovery();
ResetHostTimeOut();
}
catch (Exception ex)
{
ResetHostTimeOut();
throw ex;
}
}
else
{
NCI_PRINT("POLL MODE: Undetermined target\n");
/* Restart discovery loop */
NCIStopDiscovery();
NCIStartDiscovery();
}
}
}
catch
{
//do nothing
}
}
});
}