static void Main(string[] args)
{
ArgumentParser pp = new ArgumentParser(args);
pp.AddExpanded("-l", "--light");
pp.AddExpanded("-nl", "--no-light");
pp.Parse();
var lcdProvider = new RaspPiGPIOMemLcdTransferProvider(GPIOPins.GPIO_07, GPIOPins.GPIO_08, GPIOPins.GPIO_25, GPIOPins.GPIO_24, GPIOPins.GPIO_23, GPIOPins.GPIO_18);
var lcd = new Lcd(lcdProvider);
GPIOMem backlit = new GPIOMem(GPIOPins.GPIO_15, GPIODirection.Out);
//backlit.Write(false);
lcd.Begin(16, 2);
lcd.Clear();
lcd.SetCursorPosition(0, 0);
if (pp.SwitchExists("--light"))
{
backlit.Write(true);
}
if (pp.SwitchExists("--no-light"))
{
backlit.Write(false);
}
string text = String.Empty;
try
{
var isKey = System.Console.KeyAvailable;
text = Console.ReadLine();
}
catch (InvalidOperationException)
{
// when we're in piped output, InvalidOperationException is thrown for KeyAvaliable
// and we're using it here to check... dirty, dirty hack!
text = Console.In.ReadToEnd();
}
//Console.WriteLine(text);
text = text.Replace("\r\n", "\n");
if (text.Length > 32) text = text.Substring(0, 32);
if (text.Length > 16) text = text.Insert(16, "\n");
if (text.IndexOf('\n') > -1)
{
lcd.Write(text.Substring(0, text.IndexOf('\n')));
lcd.SetCursorPosition(0, 1);
lcd.Write(text.Substring(text.IndexOf('\n') +1));
}
else
lcd.Write(text);
}
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;
}
}
}