public async Task <IPoweredUpBluetoothDevice> GetDeviceAsync(IPoweredUpBluetoothDeviceInfo bluetoothDeviceInfo)
{
var deviceId = (bluetoothDeviceInfo is XamarinBluetoothDeviceInfo local) ? local.DeviceIdentifier : throw new ArgumentException("DeviceInfo not created by adapter", nameof(bluetoothDeviceInfo));
if (!_discoveredDevices.ContainsKey(deviceId))
{
CancellationTokenSource cts = new CancellationTokenSource(10000);
// trigger scan for 10 seconds
Discover((deviceInfo) =>
{
return(Task.Run(() =>
{
cts.Cancel(false);
}));
}, cts.Token);
// 60 seconds will be ignored here, because the cancelation will happen after 10 seconds
await Task.Delay(60000, cts.Token).ContinueWith(task => { });
if (!_discoveredDevices.ContainsKey(deviceId))
{
throw new NotSupportedException("Given bt address does not belong to a discovered device");
}
}
return(new XamarinPoweredUpBluetoothDevice(_discoveredDevices[deviceId], _bluetoothAdapter));
}
public async Task <IPoweredUpBluetoothDevice> GetDeviceAsync(IPoweredUpBluetoothDeviceInfo bluetoothDeviceInfo)
{
var bluetoothAddress = (bluetoothDeviceInfo is PoweredUpBluetoothDeviceInfoWithMacAddress local) ? local.MacAddressAsUInt64 : throw new ArgumentException("DeviceInfo not created by adapter", nameof(bluetoothDeviceInfo));
var device = await BluetoothLEDevice.FromBluetoothAddressAsync(bluetoothAddress);
return(new WinRTPoweredUpBluetoothDevice(device));
}
public bool Equals(IPoweredUpBluetoothDeviceInfo other)
{
if (other != null && other is PoweredUpBluetoothDeviceInfoWithMacAddress otherMacAddress)
{
return(this.MacAddressAsUInt64 == otherMacAddress.MacAddressAsUInt64);
}
else
{
return(false);
}
}
private static (IPoweredUpBluetoothDeviceInfo bluetoothDeviceInfo, SystemType systemType) FindAndSelectHub(IPoweredUpBluetoothAdapter poweredUpBluetoothAdapter)
{
IPoweredUpBluetoothDeviceInfo resultDeviceInfo = default;
SystemType resultSystemType = default;
var devices = new ConcurrentBag <(int key, IPoweredUpBluetoothDeviceInfo bluetoothDeviceInfo, PoweredUpHubManufacturerData deviceType)>();
var cts = new CancellationTokenSource();
int idx = 1;
Console.WriteLine("Scan Started. Please select the Hub (using a number keys or 'q' to terminate):");
poweredUpBluetoothAdapter.Discover(info =>
{
if (devices.FirstOrDefault(kv => kv.bluetoothDeviceInfo.Equals(info)) == default)
{
var deviceType = (PoweredUpHubManufacturerData)info.ManufacturerData[1];
devices.Add((idx, info, deviceType));
var text = (info is IPoweredUpBluetoothDeviceInfoWithMacAddress mac) ? mac.ToIdentificationString() : "not revealed";
Console.WriteLine($"{idx}: {(PoweredUpHubManufacturerData)info.ManufacturerData[1]} (with address {text})");
idx++;
}
return(Task.CompletedTask);
}, cts.Token);
var input = Console.ReadLine();
cts.Cancel();
if (int.TryParse(input, out var key))
{
var selected = devices.FirstOrDefault(kv => kv.key == key);
resultDeviceInfo = selected.bluetoothDeviceInfo;
resultSystemType = (SystemType)selected.deviceType;
if (resultDeviceInfo != default)
{
Console.WriteLine($"Selected {selected.deviceType} with key {selected.key}");
}
}
return(resultDeviceInfo, resultSystemType);
}
public Task <IPoweredUpBluetoothDevice> GetDeviceAsync(IPoweredUpBluetoothDeviceInfo bluetoothDeviceInfo)
{
return(Task.FromResult <IPoweredUpBluetoothDevice>(MockDevice));
}
