public override View GetView(int position, View convertView, ViewGroup parent)
{
var row = convertView;
if (row == null)
{
var inflater = Context.GetSystemService(Context.LayoutInflaterService) as LayoutInflater;
row = inflater.Inflate(global::Android.Resource.Layout.SimpleListItem2, null);
}
var port = this.GetItem(position);
var driver = port.GetDriver();
var device = driver.GetDevice();
var title = string.Format("Vendor {0} Product {1}",
HexDump.ToHexString((short)device.VendorId),
HexDump.ToHexString((short)device.ProductId));
row.FindViewById <TextView>(global::Android.Resource.Id.Text1).Text = title;
var subtitle = device.Class.SimpleName;
row.FindViewById <TextView>(global::Android.Resource.Id.Text2).Text = subtitle;
return(row);
}
/// <summary>
/// The HandleMessage
/// </summary>
/// <param name="msg">The msg<see cref="Message"/></param>
public override void HandleMessage(Message msg)
{
switch (msg.What)
{
case ServiceConstants.MESSAGE_FROM_SERIAL_PORT:
byte[] recvData = (byte[])msg.Obj;
string data = HexDump.ToHexString(recvData) + "\n";
//mActivity.display.Append(data);
break;
case ServiceConstants.CTS_CHANGE:
Toast.MakeText(mActivity, "CTS_CHANGE", ToastLength.Long).Show();
break;
case ServiceConstants.DSR_CHANGE:
Toast.MakeText(mActivity, "DSR_CHANGE", ToastLength.Long).Show();
break;
case ServiceConstants.MESSAGE_STATE_CHANGE:
switch (msg.What)
{
case LGBluetoothService.STATE_CONNECTED:
//chatFrag.SetStatus(chatFrag.GetString(Resource.String.title_connected_to, chatFrag.connectedDeviceName));
Toast.MakeText(mActivity, "Connected", ToastLength.Short).Show();
break;
case LGBluetoothService.STATE_CONNECTING:
//chatFrag.SetStatus(Resource.String.title_connecting);
Toast.MakeText(mActivity, "Connecting...", ToastLength.Short).Show();
break;
case LGBluetoothService.STATE_LISTEN:
//chatFrag.SetStatus(Resource.String.not_connected);
Toast.MakeText(mActivity, "Listening...", ToastLength.Short).Show();
break;
case LGBluetoothService.STATE_NONE:
//chatFrag.SetStatus(Resource.String.not_connected);
Toast.MakeText(mActivity, "Not Connected", ToastLength.Short).Show();
break;
}
break;
case ServiceConstants.MESSAGE_WRITE:
var writeBuffer = (byte[])msg.Obj;
string writeMessage = Encoding.ASCII.GetString(writeBuffer);
writeMessage = System.BitConverter.ToString(writeBuffer);
break;
case ServiceConstants.MESSAGE_READ:
var readBuffer = (byte[])msg.Obj;
string readMessage = Encoding.ASCII.GetString(readBuffer);
readMessage = System.BitConverter.ToString(readBuffer);
break;
case ServiceConstants.MESSAGE_DEVICE_NAME:
if (mActivity != null)
{
Toast.MakeText(mActivity, $"Connected to {msg.Data.GetString(ServiceConstants.DEVICE_NAME)}.", ToastLength.Long).Show();
}
break;
case ServiceConstants.MESSAGE_TOAST:
break;
default:
break;
}
}
// Réception de données Li-Fi avec port série micro USB
private async Task OpenLiFiReceiverPort()
{
UsbManager UsbSerialManager = AppActivity.ApplicationContext.GetSystemService(Context.UsbService) as UsbManager;
var Table = UsbSerialProber.DefaultProbeTable;
Table.AddProduct(0x1b4f, 0x0008, Java.Lang.Class.FromType(typeof(CdcAcmSerialDriver))); // IOIO OTG
var Prober = new UsbSerialProber(Table);
var Drivers = await Prober.FindAllDriversAsync(UsbSerialManager);
LiFiReceiverPort = null;
foreach (var Driver in Drivers) // On cherche notre driver (le récepteur Li-Fi)
{
foreach (var Port in Driver.Ports)
{
if (HexDump.ToHexString((short)Port.Driver.Device.VendorId) == "0403" && HexDump.ToHexString((short)Port.Driver.Device.ProductId) == "6015")
{
LiFiReceiverPort = Port;
}
}
}
if (LiFiReceiverPort == null) // Si il n'est pas branché on affiche un message
{
AppActivity.RunOnUiThread(() => { ReceiverStatus.Text = "Récepteur Li-Fi absent"; });
}
else
{
var IsPermissionGranted = await UsbSerialManager.RequestPermissionAsync(LiFiReceiverPort.Driver.Device, AppActivity.ApplicationContext);
if (IsPermissionGranted) // On demande la permission à l'utilisateur d'utiliser le récepteur (Android)
{
SerialIOManager = new SerialInputOutputManager(LiFiReceiverPort) // Configuration du port série
{
BaudRate = 115200,
DataBits = 8,
StopBits = StopBits.One,
Parity = Parity.None
};
SerialIOManager.DataReceived += (source, args) => // Thread de réception de données
{
ReceivedSerialData = Encoding.UTF8.GetString(args.Data); // Données recu
};
SerialIOManager.ErrorReceived += (source, args) => // Thread si il y a une erreur
{
AppActivity.RunOnUiThread(() =>
{
ReceiverStatus.Text = "Récepteur Li-Fi absent"; // On affiche un message de débranchement
SerialIOManager.Close();
});
};
try
{
SerialIOManager.Open(UsbSerialManager); // On ouvre le port
AppActivity.RunOnUiThread(() => { ReceiverStatus.Text = "Récepteur Li-Fi opérationnel"; });
}
catch (Java.IO.IOException Exception)
{
AppActivity.RunOnUiThread(() => { ReceiverStatus.Text = "Erreur récepteur Li-Fi: " + Exception.Message; });
}
}
else
{
AppActivity.RunOnUiThread(() => { ReceiverStatus.Text = "Permission requise"; });
}
}
}
