/// <inheritdoc/>
public async Task <int> ScanAsync(string adapterName = null, int scanDurationSeconds = DefaultScanDurationSeconds)
{
var adapter = await _bluetoothService.GetAdapterAsync(adapterName);
if (adapter == null)
{
throw new AdapterNotFoundException($"Adapter '{adapterName}' was not found");
}
await adapter.StartDiscoveryAsync();
await Task.Delay(TimeSpan.FromSeconds(scanDurationSeconds));
await adapter.StopDiscoveryAsync();
_deviceList = await adapter.GetDevicesAsync();
return(_deviceList.Count);
}