public void StartScanning(Func <MWDevice, bool> whenFound)
{
StopScanning();
CrossBleAdapter.Current.WhenStatusChanged().Subscribe(status =>
{
if (status == AdapterStatus.PoweredOn)
{
scan = CrossBleAdapter.Current.ScanOrListen().Subscribe(scanResult =>
{
var devGuid = scanResult.Device.Uuid;
if (!seenDevices.ContainsKey(devGuid))
{
// TODO: Verify this is actually a MetaWear device
//var serviceGuid = config.ServiceUuids.First();
//var service = await scanResult.Device.GetKnownService(serviceGuid).FirstOrDefaultAsync();
if (scanResult.Device.Name == "MetaWear")
{
MWDevice mwdevice = new MWDevice(scanResult.Device);
seenDevices.Add(devGuid, mwdevice);
if (whenFound(mwdevice))
{
StopScanning();
}
}
}
});
}
});
}
void StartScanning(Func <MWDevice, bool> whenFound)
{
StopScanning();
scan = CrossBleAdapter.Current.ScanOrListen().Subscribe(scanResult =>
{
var name = scanResult.Device.Name;
var devGuid = scanResult.Device.Uuid;
if (!seenDevices.ContainsKey(devGuid))
//if (!seenDevices.Contains(scanResult.Device))
//if (config.ServiceUuids.Aggregate(true, (acc, e) => acc & scanResult.AdvertisementData.ServiceUuids.Contains(e)))
{
// TODO: Verify this is actually a MetaWear device
var uuids = scanResult.AdvertisementData.ServiceUuids;
foreach (Guid uuid in uuids)
{
var st = uuid.ToString();
}
var s = scanResult.AdvertisementData.ToString();
//var serviceGuid = config.ServiceUuids.First();
//var service = await scanResult.Device.GetKnownService(serviceGuid).FirstOrDefaultAsync();
//if (service != null)
{
MWDevice mwdevice = new MWDevice(scanResult.Device);
seenDevices.Add(devGuid, mwdevice);
if (whenFound(mwdevice))
{
StopScanning();
}
}
}
});
}
/// <summary>
/// Instantiates an <see cref="IMetaWearBoard"/> object corresponding to the BluetoothLE device
/// </summary>
/// <param name="device">BluetoothLE device object corresponding to the target MetaWear board</param>
/// <returns><see cref="IMetaWearBoard"/> object</returns>
public static IMetaWearBoard GetMetaWearBoard(MWDevice device)
{
if (btleDevices.TryGetValue(device.Name, out var board))
{
return(board);
}
board = new MetaWearBoard(new BLEBridge(device), new IO(device.Name));
btleDevices.Add(device.Name, board);
return(board);
}
//private Dictionary<Guid, IGattCharacteristic> characteristics;
public BLEBridge(MWDevice mwdevice)
{
device = mwdevice.device;
device.WhenStatusChanged().Subscribe(status =>
{
switch (status)
{
case ConnectionStatus.Connecting:
System.Diagnostics.Debug.WriteLine("MetaWear connecting!");
break;
case ConnectionStatus.Connected:
System.Diagnostics.Debug.WriteLine("MetaWear connected!");
break;
case ConnectionStatus.Disconnecting:
System.Diagnostics.Debug.WriteLine("MetaWear disconnecting!");
break;
case ConnectionStatus.Disconnected:
System.Diagnostics.Debug.WriteLine("MetaWear disconnected!");
_notification?.Dispose();
_notification = null;
if (dcTaskSource != null)
{
dcTaskSource.SetResult(true);
if (OnDisconnect != null)
{
OnDisconnect(false);
}
}
else
{
if (OnDisconnect != null)
{
OnDisconnect(true);
}
}
break;
}
;
});
Connect();
//connection = device.Connect().Wait();
// Cache all characteristics?
//characteristics = new Dictionary<Guid, IGattCharacteristic>();
//device.WhenAnyCharacteristicDiscovered().Subscribe(ch =>
//{
// characteristics.Add(ch.Uuid, ch);
//});
}
public void AddDevice(MWDevice device)
{
seenDevices.Add(device.Uuid, device);
}
