public static int nfc_initiator_select_passive_target(nfc_device pnd, nfc_modulation nm, byte[] pbtInitData, int szInitData, /*out*/ nfc_target pnt)
{
byte[] abtInit = new byte[Math.Max(12, pbtInitData.Length)];
// byte abtTmpInit[MAX(12, szInitData)];
int szInit = 0;
if (pbtInitData == null || szInitData == 0)
{
// Provide default values, if any
abtInit = prepare_initiator_data(nm);
szInit = abtInit.Length;
}
else if (nm.nmt == nfc_modulation_type.NMT_ISO14443A)
{
//abtInit = abtTmpInit;
iso14443_cascade_uid(pbtInitData, szInitData, ref abtInit, out szInit);
}
else
{
abtInit = pbtInitData;
szInit = szInitData;
}
//HAL(initiator_select_passive_target, pnd, nm, abtInit, szInit, pnt);
pnd.last_error = 0;
return(pnd.driver.initiator_select_passive_target(pnd, nm, abtInit, szInit, /*out*/ pnt));
}
static private void ThreadSmartCard()
{
var gpio23 = TinyGPIO.Export(23);
gpio23.Direction = (GPIODirection)GPIODirection.Out;
var gpio25 = TinyGPIO.Export(25);
gpio25.Direction = (GPIODirection)GPIODirection.Out;
List <string> deviceNameList = new List <string>();
NFCContext nfcContext = new NFCContext();
NFCDevice nfcDevice = nfcContext.OpenDevice(null);
deviceNameList = nfcContext.ListDeviceNames();
int rtn = nfcDevice.initDevice();
nfc_target nfcTarget = new nfc_target();
List <nfc_modulation> nfc_modulationList = new List <nfc_modulation>();
nfc_modulation nfcModulation = new nfc_modulation();
nfcModulation.nbr = nfc_baud_rate.NBR_106;
nfcModulation.nmt = nfc_modulation_type.NMT_ISO14443A;
nfc_modulationList.Add(nfcModulation);
string currentSignalRStr = null;
string currentConsoleStr = null;
string signalRStr;
string consoleStr;
string state = "---";
Person p;
for (; ;)
{
gpio23.Value = 0;
Thread.Sleep(100);
rtn = nfcDevice.Pool(nfc_modulationList, 1, 2, out nfcTarget);
if (rtn < 0)
{
consoleStr = "NFC Targert Not Found!";
signalRStr = "---";
gpio23.Value = 0;
gpio25.Value = 0;
}
else
{
signalRStr = string.Join(
separator: "",
values: nfcTarget.nti.abtUid.Take((int)nfcTarget.nti.szUidLen).Select(b => b.ToString("X2").ToLower())
);
consoleStr = string.Format("NFC Target Found: uid is [{0}]", signalRStr);
if (File.Exists("App_Data/people.json"))
{
using (StreamReader r = new StreamReader("App_Data/people.json"))
{
string json = r.ReadToEnd();
List <Person> items = JsonConvert.DeserializeObject <List <Person> >(json);
p = items.FirstOrDefault(x => x.Card == signalRStr);
Console.WriteLine(p.Name);
Console.WriteLine(p.Date);
Console.WriteLine(p.PCNum);
Console.WriteLine(p.State);
NFC.Instance.UpdateDateStatus(p);
NFC.Instance.UpdateNameStatus(p);
NFC.Instance.UpdatePCNumStatus(p);
NFC.Instance.UpdateTimeStatus(p);
Thread.Sleep(100);
}
}
}
if (signalRStr != state)
{
if (signalRStr != currentSignalRStr)
{
NFC.Instance.CardIDCheck(signalRStr);
currentSignalRStr = signalRStr;
gpio23.Value = 1;
gpio25.Value = 1;
Thread.Sleep(100);
}
else
{
gpio23.Value = 0;
}
}
else
{
gpio23.Value = 0;
NFC.Instance.CardIDCheck(signalRStr);
currentSignalRStr = signalRStr;
}
if (consoleStr != currentConsoleStr)
{
DateTime now = DateTime.Now;
FileStream ostrm;
StreamWriter writer;
TextWriter oldOut = Console.Out;
try
{
ostrm = new FileStream("Record.txt", FileMode.OpenOrCreate, FileAccess.Write);
writer = new StreamWriter(ostrm);
}
catch (Exception e)
{
Console.WriteLine("Cannot open Record.txt for writing");
Console.WriteLine(e.Message);
return;
}
Console.SetOut(writer);
Console.WriteLine(now);
Console.WriteLine(consoleStr);
Console.SetOut(oldOut);
writer.Close();
ostrm.Close();
Console.WriteLine(now);
Console.WriteLine(consoleStr);
currentConsoleStr = consoleStr;
}
}
}
public static int nfc_initiator_list_passive_targets(nfc_device pnd, nfc_modulation nm, ref nfc_target[] ant /*, int szTargets*/)
{
nfc_target nt = new nfc_target();
int szTargetFound = 0;
byte[] pbtInitData = null;
//int szInitDataLen = 0;
int res = 0;
pnd.last_error = 0;
// Let the reader only try once to find a tag
bool bInfiniteSelect = pnd.bInfiniteSelect;
if ((res = nfc_device_set_property_bool(pnd, nfc_property.NP_INFINITE_SELECT, false)) < 0)
{
return(res);
}
pbtInitData = prepare_initiator_data(nm);
//szInitDataLen = pbtInitData.Length;
while (nfc_initiator_select_passive_target(pnd, nm, pbtInitData, pbtInitData.Length, /*out*/ nt) > 0)
{
int i;
bool seen = false;
// Check if we've already seen this tag
for (i = 0; i < szTargetFound; i++)
{
if (MiscTool.CompareType <nfc_target>(ant[i], nt))
{
seen = true;
}
}
if (seen)
{
break;
}
ant[szTargetFound] = nt;
szTargetFound++;
if (ant.Length == szTargetFound)
{
break;
}
nfc_initiator_deselect_target(pnd);
// deselect has no effect on FeliCa and Jewel cards so we'll stop after one...
// ISO/IEC 14443 B' cards are polled at 100% probability so it's not possible to detect correctly two cards at the same time
if ((nm.nmt == nfc_modulation_type.NMT_FELICA) ||
(nm.nmt == nfc_modulation_type.NMT_JEWEL) ||
(nm.nmt == nfc_modulation_type.NMT_ISO14443BI) ||
(nm.nmt == nfc_modulation_type.NMT_ISO14443B2SR) ||
(nm.nmt == nfc_modulation_type.NMT_ISO14443B2CT))
{
break;
}
}
if (bInfiniteSelect)
{
if ((res = nfc_device_set_property_bool(pnd, nfc_property.NP_INFINITE_SELECT, true)) < 0)
{
return(res);
}
}
return(szTargetFound);
}
public static byte[] prepare_initiator_data(nfc_modulation nm)/*, out ppbtInitiatorData ,// out int pszInitiatorData //-- ppbtInitiatorData.Length --*/
{
//pszInitiatorData = 0;
byte[] ppbtInitiatorData = null;
switch (nm.nmt)
{
case nfc_modulation_type.NMT_ISO14443B:
{
// Application Family Identifier (AFI) must equals 0x00 in order to wakeup all ISO14443-B PICCs (see ISO/IEC 14443-3)
ppbtInitiatorData = new byte[1] {
0x00
};
//pszInitiatorData = 1;
}
break;
case nfc_modulation_type.NMT_ISO14443BI:
{
// APGEN
ppbtInitiatorData = new byte[4] {
0x01, 0x0b, 0x3f, 0x80
};
//pszInitiatorData = 4;
}
break;
case nfc_modulation_type.NMT_ISO14443B2SR:
{
// Get_UID
ppbtInitiatorData = new byte[1] {
0x0b
};
//pszInitiatorData = 1;
}
break;
case nfc_modulation_type.NMT_ISO14443B2CT:
{
// SELECT-ALL
ppbtInitiatorData = new byte[3] {
0x9F, 0xFF, 0xFF
};
//pszInitiatorData = 3;
}
break;
case nfc_modulation_type.NMT_FELICA:
{
// polling payload must be present (see ISO/IEC 18092 11.2.2.5)
ppbtInitiatorData = new byte[5] {
0x00, 0xff, 0xff, 0x01, 0x00
};
//pszInitiatorData = 5;
}
break;
case nfc_modulation_type.NMT_ISO14443A:
case nfc_modulation_type.NMT_JEWEL:
case nfc_modulation_type.NMT_DEP:
ppbtInitiatorData = null;
//pszInitiatorData = 0;
break;
}
return(ppbtInitiatorData);
}