public ActionResult OnButton(string parameterName)
{
string result = "dummy";
List<string> deviceNameList = new List<string>();
NFCContext nfcContext = new NFCContext();
NFCDevice nfcDevice = nfcContext.OpenDevice(null);
deviceNameList = nfcContext.ListDeviceNames();
Console.WriteLine("device count: " + deviceNameList.Count());
foreach (string deviceName in deviceNameList)
{
Console.WriteLine("deviceName: " + deviceName);
}
int rtn = nfcDevice.initDevice();
if (rtn < 0)
{
Console.WriteLine("Context init failed");
}
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);
rtn = nfcDevice.Pool(nfc_modulationList, 1, 2, out nfcTarget);
if (rtn < 0)
{
Console.WriteLine("nfc poll targert failed");
}
else if (rtn > 0)
{
Console.WriteLine("nfc target found!!!");
string s = nfcDevice.str_target(nfcTarget);
Console.Write(s);
}
else
{
Console.WriteLine("no nfc target found");
}
Console.WriteLine(result);
return Json(new { success = true, show = result }, JsonRequestBehavior.AllowGet);
}
public static extern int nfc_initiator_select_passive_target(IntPtr pnd, nfc_modulation nm, [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pbtInitData, uint szInitData, IntPtr pnt);
public static extern int nfc_initiator_list_passive_targets(IntPtr pnd, nfc_modulation nm, [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] nfc_target[] ant, uint szTargets);
public static extern int nfc_initiator_list_passive_targets(IntPtr pnd, nfc_modulation nm, [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] nfc_target[] ant, uint szTargets);
public static extern int nfc_initiator_select_passive_target(IntPtr pnd, nfc_modulation nm, [MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pbtInitData, uint szInitData, IntPtr pnt);
private static void ThreadSmartCard()
{
var gpio23 = TinyGPIO.Export(23);
gpio23.Direction = (GPIODirection)GPIODirection.Out;
List<string> deviceNameList = new List<string>();
NFCContext nfcContext = new NFCContext();
NFCDevice nfcDevice = nfcContext.OpenDevice(null);
deviceNameList = nfcContext.ListDeviceNames();
Console.WriteLine("Device Count: " + deviceNameList.Count());
foreach (string deviceName in deviceNameList)
{
Console.WriteLine("Device Name: " + deviceName);
}
int rtn = nfcDevice.initDevice();
if (rtn < 0)
{
Console.WriteLine("Context init failed");
}
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 = "---";
for (; ; )
{
gpio23.Value = 0;
Thread.Sleep(100);
rtn = nfcDevice.Pool(nfc_modulationList, 1, 2, out nfcTarget);
if (rtn < 0)
{
consoleStr = "NFC-Poll Targert Not Found!";
signalRStr = "---";
gpio23.Value = 0;
}
else
{
signalRStr = string.Join(
separator: "",
values: nfcTarget.nti.abtUid.Take((int)nfcTarget.nti.szUidLen).Select(b => b.ToString("X2").ToLower())
);
signalRStr = "0x" + signalRStr;
consoleStr = string.Format("NFC-Poll Target Found: uid is [{0}]", signalRStr);
}
if (signalRStr != state)
{
if (signalRStr != currentSignalRStr)
{
NFC.Instance.UpdateNFCStatus(signalRStr);
currentSignalRStr = signalRStr;
gpio23.Value = 1;
Thread.Sleep(100);
}
else
{
gpio23.Value = 0;
}
}
else
{
gpio23.Value = 0;
NFC.Instance.UpdateNFCStatus(signalRStr);
currentSignalRStr = signalRStr;
}
if (consoleStr != currentConsoleStr)
{
Console.WriteLine(consoleStr);
currentConsoleStr = consoleStr;
}
}
}
private static void ThreadSmartCard()
{
RaspPiGPIOMemLcdTransferProvider lcdProvider = new RaspPiGPIOMemLcdTransferProvider(
GPIOPins.V2_GPIO_07,
GPIOPins.V2_GPIO_08,
GPIOPins.V2_GPIO_25,
GPIOPins.V2_GPIO_24,
GPIOPins.V2_GPIO_23,
GPIOPins.V2_GPIO_18);
Lcd lcd = new Lcd(lcdProvider);
lcd.Begin(16, 2);
lcd.Clear();
lcd.SetCursorPosition(0, 0);
lcd.Write("No NFC Card!");
var gpio22 = TinyGPIO.Export(22);
gpio22.Direction = (GPIODirection)GPIODirection.Out;
List<string> deviceNameList = new List<string>();
NFCContext nfcContext = new NFCContext();
NFCDevice nfcDevice = nfcContext.OpenDevice(null);
deviceNameList = nfcContext.ListDeviceNames();
Console.WriteLine("Device Count: " + deviceNameList.Count());
foreach (string deviceName in deviceNameList)
{
Console.WriteLine("Device Name: " + deviceName);
}
int rtn = nfcDevice.initDevice();
if (rtn < 0)
{
Console.WriteLine("Context init failed");
}
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 currentlcdStr = null;
string signalRStr;
string consoleStr;
string lcdStr;
string state = "---";
for (; ; )
{
gpio22.Value = 0;
Thread.Sleep(100);
rtn = nfcDevice.Pool(nfc_modulationList, 1, 2, out nfcTarget);
if (rtn < 0)
{
consoleStr = "NFC-Poll Targert Not Found!";
signalRStr = "---";
lcdStr = "No NFC Card!";
gpio22.Value = 0;
}
else
{
signalRStr = string.Join(
separator: "",
values: nfcTarget.nti.abtUid.Take((int)nfcTarget.nti.szUidLen).Select(b => b.ToString("X2").ToLower())
);
signalRStr = "0x" + signalRStr;
consoleStr = string.Format("NFC-Poll Target Found: uid is [{0}]", signalRStr);
lcdStr = "NFC Detected!";
}
if (signalRStr != state)
{
if (signalRStr != currentSignalRStr)
{
NFC.Instance.UpdateNFCStatus(signalRStr);
currentSignalRStr = signalRStr;
gpio22.Value = 1;
lcd.Begin(16, 2);
lcd.Clear();
lcd.SetCursorPosition(0, 0);
lcd.Write("NFC Detected!");
lcd.SetCursorPosition(0, 1);
lcd.Write(signalRStr);
currentlcdStr = lcdStr;
Thread.Sleep(100);
}
else
{
gpio22.Value = 0;
}
}
else
{
if (lcdStr != currentlcdStr)
{
gpio22.Value = 0;
NFC.Instance.UpdateNFCStatus(signalRStr);
currentSignalRStr = signalRStr;
lcd.Begin(16, 2);
lcd.Clear();
lcd.SetCursorPosition(0, 0);
lcd.Write("No NFC Card!");
currentlcdStr = lcdStr;
}
}
if (consoleStr != currentConsoleStr)
{
Console.WriteLine(consoleStr);
currentConsoleStr = consoleStr;
}
}
}
