public void Start()
{
var mfrc = new Mfrc522();
var task = new Task(async() => { await mfrc.InitIO(); });
task.RunSynchronously();
while (true)
{
if (_isStoping)
{
break;
}
if (mfrc.IsTagPresent())
{
var uid = mfrc.ReadUid();
var sendTask = new Task(async() => { await _sender.SendUserId(uid.ToString()); });
sendTask.Start();
mfrc.HaltTag();
}
Task.Delay(100).Wait();
}
}
public async Task Init()
{
lcd.init();
lcd.prints("bom dia");
lcd.gotoxy(0, 1);
lcd.prints("Lcd test");
var gpioController = await GpioController.GetDefaultAsync();
try
{
var pin7 = gpioController.OpenPin(17);
pin7.SetDriveMode(GpioPinDriveMode.Output);
lcd.clrscr();
lcd.prints("liga");
pin7.Write(GpioPinValue.Low);
await Task.Delay(1000);
lcd.clrscr();
lcd.prints("desliga");
pin7.Write(GpioPinValue.High);
await Task.Delay(1000);
lcd.clrscr();
lcd.prints("liga");
pin7.Write(GpioPinValue.Low);
}
catch
{
Debug.Write("Erro desconhecido");
}
var mfrc = new Mfrc522();
await mfrc.InitIO();
while (true)
{
if (!mfrc.IsTagPresent())
{
continue;
}
var uidd = mfrc.ReadUid();
mfrc.HaltTag();
lcd.clrscr();
lcd.prints(uidd.ToString());
await Task.Delay(1000);
}
}
public async Task RfidReader()
{
try
{
var mfrc = new Mfrc522();
await mfrc.InitIO();
Debug.WriteLine("InitIO Success");
while (true)
{
await Task.Delay(TimeSpan.FromSeconds(1)); // Saniyelik saysın.
if (mfrc.IsTagPresent())
{
Debug.WriteLine("There is a Tah");
var uid = mfrc.ReadUid();
mfrc.HaltTag();
var dialog = new MessageDialog(uid.ToString())
{
Title = "A card has been read"
};
dialog.Commands.Add(new UICommand {
Label = "Ok", Id = 0
});
dialog.Commands.Add(new UICommand {
Label = "Cancel", Id = 1
});
var result = await dialog.ShowAsync();
Debug.WriteLine("Success");
if ((int)result.Id == 0)
{
// DO some stuff like sending id to web references
//send id to your db web service..
}
else
{
continue;
//skip your task
}
}
}
}
catch (Exception ex)
{
var dialog = new MessageDialog("An Error has Occured While Reading... Inner Exception is " + ex.Message)
{
Title = "What Da?"
};
var result = await dialog.ShowAsync();
}
}
public static void Main()
{
var led = new OutputPort(Pins.ONBOARD_LED, false);
var mfrc = new Mfrc522(SPI.SPI_module.SPI1, Pins.GPIO_PIN_D8, Pins.GPIO_PIN_D7);
// Request
while (true)
{
led.Write(mfrc.IsTagPresent());
mfrc.HaltTag();
}
}
private async Task ReadAsync()
{
var mfrc = new Mfrc522();
await mfrc.InitIOAsync();
await ResetAsync();
while (true)
{
try
{
if (mfrc.IsTagPresent())
{
Uid uid = mfrc.ReadUid();
if (uid.IsValid)
{
await CheckingAsync(uid);
DataBadge badge = new DataBadge
{
Orario = DateTime.Now,
Id = uid.FullUid,
Posizione = "Villafranca"
};
_pinBlueLed.SetDriveMode(GpioPinDriveMode.Output);
_pinBlueLed.Write(GpioPinValue.High);
var messageString = JsonConvert.SerializeObject(badge);
var message = new Microsoft.Azure.Devices.Client.Message(Encoding.ASCII.GetBytes(messageString));
message.Properties.Add("DeviceId", DeviceId);
await _client.SendEventAsync(message);
}
else
{
await ErrorReadAsync();
}
mfrc.HaltTag();
}
}
catch (Exception ex)
{
await _client.CloseAsync();
var e = ex;
}
}
}
public static async Task <string> GetSmartCardIdAsync(Mfrc522 mfrc)
{
Uid uid = null;
if (await mfrc.IsTagPresent())
{
uid = await mfrc.ReadUid();
await mfrc.HaltTag();
}
if (uid != null)
{
return(uid.ToString());
}
else
{
return(null);
}
}
/// <summary>
/// RFID Presence Function
/// </summary>
private async void RFID_Presence()
{
//initialize the RFID Reader
Mfrc522 mfrc = new Mfrc522();
await mfrc.InitIO();
//loop
while (true)
{
//error handling
try
{
//verify if the tag is present
if (mfrc.IsTagPresent())
{
//show the picture
imgRFID.Visibility = Windows.UI.Xaml.Visibility.Visible;
//read the UUID and show in UI
var uid = mfrc.ReadUid();
txtUUID.Text = uid.ToString();
//rfid controller halt state
mfrc.HaltTag();
}
else
{
//reset the uuid
txtUUID.Text = String.Empty;
//hide the picture
imgRFID.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
}
}
catch { }
//sleep
await System.Threading.Tasks.Task.Delay(TimeSpan.FromSeconds(1));
}
}
public async void Run(IBackgroundTaskInstance taskInstance)
{
Debug.WriteLine("Running....");
InitGPIO();
pin.Write(GpioPinValue.High);
BackgroundTaskDeferral deferral = taskInstance.GetDeferral();
mfrc = new Mfrc522();
await mfrc.InitIO();
// Main loop
while (true)
{
//true when an RFiD tag is detected
if (mfrc.IsTagPresent())
{
pin.Write(GpioPinValue.Low);
Debug.WriteLine("IsTagPresent() == True.");
//read the UUID from the card
Uid uid = mfrc.ReadUid();
Debug.WriteLine("Tag value == " + uid.ToString());
//rfid controller halt state
//mfrc.HaltTag();
//Send message to IoT Hub
await AzureIoTHub.SendDeviceToCloudMessageAsync(uid.ToString());
pin.Write(GpioPinValue.High);
}
//sleep
await System.Threading.Tasks.Task.Delay(TimeSpan.FromSeconds(1));
}
//deferral.Complete();
}
public static async Task <CardModel> BuildCardModelAsync(Mfrc522 mfrc)
{
string SmartCardId = await GetSmartCardIdAsync(mfrc);
return(new CardModel(SmartCardId));
}
public static async Task <CardModel> GetCard(Mfrc522 mfrc)
{
CardModel card = await CardModel.BuildCardModelAsync(mfrc);
return(card);
}
public async Task InitializeAsync(int initialDelay, int period, Mfrc522 obj)
{
_timer = new Timer(OnTimerAsync, obj, initialDelay, period);
}
