public bool Atr_req(INfcTransceiver chip, byte targetNumber, byte[] genBytes, out byte[] response)
{
response = new byte[0];
bool result = false;
byte[] req = AtrReq(NfcidGenerator.Nfcid, genBytes);
Span <byte> res;
if (chip.TransmitData(targetNumber, req) >= 0)
{
if (chip.ReceiveData(targetNumber, out res, 10) >= 0)
{
byte[] reply = res.ToArray();
if ((reply[2] == (byte)Nfcip1.Types.RES) && (reply[3] == (byte)Nfcip1.Commands.ATR_RES)) //hebben we een reply ontvangen
{
Array.Copy(reply, 4, Nfcid_RX, 0, 10);
TimeOutTime = (reply[17] * 309.8);
byte ppt = reply[18];
MaxBufferSize = ((ppt >> 4) + 1) * 64;
if ((ppt & 0x02) > 0)
{
response = new byte[reply.Length - 19];
Array.Copy(reply, 19, response, 0, response.Length);
}
result = true;
}
}
}
return(result);
}
public LLCP(INfcTransceiver chip, Data106kbpsTypeA iso14443Device)
{
IsoIec18092LinkServiceManager linkManager = new IsoIec18092LinkServiceManager();
linkManager.Chip = chip;
linkManager.TargetNumber = iso14443Device.TargetNumber;
ServiceManagers.Add(linkManager.SSAP, linkManager);
SnepServiceManager snepServiceManager = new SnepServiceManager(linkManager);
ServiceManagers.Add(snepServiceManager.SSAP, snepServiceManager);
}
public bool Dep_req(INfcTransceiver chip, byte targetNumber, PfbTypes type, byte[] payload, out byte[] response)
{
byte pni = PniGenerator.PNI;
byte pfb = (byte)(((int)type << 5) | pni);
// todo:
// - MI NAD DID support
// - ACk/Nack support
// - Attention/Timeout support
response = new byte[0];
byte[] req = DepReq(pfb, payload);
Span <byte> res;
if (chip.TransmitData(targetNumber, req) >= 0)
{
if (chip.ReceiveData(targetNumber, out res, 100) >= 0)
{
byte[] reply = res.ToArray();
if ((reply[2] == (byte)Nfcip1.Types.RES) && (reply[3] == (byte)Nfcip1.Commands.DEP_RES)) //hebben we een reply ontvangen
{
if ((reply[4] & 0x03) == pni)
{
PniGenerator.Increase();
int startIndex = 4;
if ((reply[4] & 0x4) > 0) //NAD byte available
{
startIndex++;
}
if ((reply[4] & 0x2) > 0) //DID byte available
{
startIndex++;
}
// todo:
// - MI NAD DID support
// - ACk/Nack support
// - Attention/Timeout support
response = new byte[reply.Length - startIndex];
Array.Copy(reply, startIndex, response, 0, response.Length);
return(true);
}
}
}
}
return(false);
}
public bool Dsl_req(INfcTransceiver chip, byte targetNumber)
{
byte[] req = DslReq();
Span <byte> res;
if (chip.TransmitData(targetNumber, req) >= 0)
{
if (chip.ReceiveData(targetNumber, out res, 10) >= 0)
{
byte[] reply = res.ToArray();
if ((reply[2] == (byte)Nfcip1.Types.RES) && (reply[3] == (byte)Nfcip1.Commands.DSL_RES)) //hebben we een reply ontvangen
{
//todo data analyseren
return(true);
}
}
}
return(false);
}
