public Device(Plugin.BLE.Abstractions.Contracts.IDevice device, string macAddress = null)
{
NativeDevice = device;
Id = NativeDevice.Id.ToString();
Name = NativeDevice.Name;
Rssi = NativeDevice.Rssi;
MacAddress = macAddress;
}
public async void ConnectAsync()
{
var ble = CrossBluetoothLE.Current;
var status = ble.State;
if (status == Plugin.BLE.Abstractions.Contracts.BluetoothState.Off)
{
return;
}
var adapter = CrossBluetoothLE.Current.Adapter;
ble.StateChanged += (s, e) =>
{
Debug.WriteLine($"The bluetooth state changed to {e.NewState}");
};
adapter.DeviceDiscovered += (s, a) =>
{
device = a.Device;
Debug.WriteLine($"Bluetooth found {device.Name}");
adapter.StopScanningForDevicesAsync();
label.Text = device.Name;
};
Debug.WriteLine("STARTING SCANNING");
await adapter.StartScanningForDevicesAsync();
try
{
Debug.WriteLine("CONNECTING TO DEVICE");
await adapter.ConnectToDeviceAsync(device);
}
catch (DeviceConnectionException e)
{
Debug.WriteLine($"Error connecting: {e.Message}");
}
var service = await device.GetServiceAsync(Guid.Parse(SERVICE_UUID));
Debug.WriteLine($"Services: {service}");
var write = await service.GetCharacteristicAsync(Guid.Parse(CHAR_W_UUID));
await write.WriteAsync(Encoding.ASCII.GetBytes("start"));
var notify = await service.GetCharacteristicAsync(Guid.Parse(CHAR_N_UUID));
notify.ValueUpdated += (o, args) =>
{
string text = Encoding.ASCII.GetString(args.Characteristic.Value);
//Debug.WriteLine($"VALUE: {text}");
Device.BeginInvokeOnMainThread(() =>
{
label.Text = text;
});
};
await notify.StartUpdatesAsync();
}
public Device(Plugin.BLE.Abstractions.Contracts.IDevice device) : base(device, ((BluetoothDevice)device.NativeDevice).Address.Replace(":", string.Empty).ToUpper())
{
}
