public override IObservable <IGattDescriptor> DiscoverDescriptors()
{
this.descriptorOb = this.descriptorOb ?? Observable.Create <IGattDescriptor>(ob =>
{
var descriptors = new Dictionary <Guid, IGattDescriptor>();
var handler = new EventHandler <CBCharacteristicEventArgs>((sender, args) =>
{
if (this.NativeCharacteristic.Descriptors == null)
{
return;
}
foreach (var dnative in this.NativeCharacteristic.Descriptors)
{
var wrap = new GattDescriptor(this, dnative);
if (!descriptors.ContainsKey(wrap.Uuid))
{
descriptors.Add(wrap.Uuid, wrap);
ob.OnNext(wrap);
}
}
});
this.Peripheral.DiscoveredDescriptor += handler;
this.Peripheral.DiscoverDescriptors(this.NativeCharacteristic);
return(() => this.Peripheral.DiscoveredDescriptor -= handler);
})
.Replay()
.RefCount();
return(this.descriptorOb);
}
public override IObservable <IGattCharacteristic> EnableNotifications(bool enable, bool useIndicationsIfAvailable) => this.context.Invoke(Observable.Create <IGattCharacteristic>(ob =>
{
if (!this.context.Gatt.SetCharacteristicNotification(this.native, enable))
{
throw new BleException("Failed to set characteristic notification value");
}
IDisposable?sub = null;
var descriptor = this.native.GetDescriptor(NotifyDescriptorId);
if (descriptor == null)
{
throw new ArgumentException("Notification descriptor not found");
}
var wrap = new GattDescriptor(this, this.context, descriptor);
var bytes = enable
? this.GetNotifyDescriptorBytes(useIndicationsIfAvailable)
: BluetoothGattDescriptor.DisableNotificationValue.ToArray();
sub = wrap
.WriteInternal(bytes)
.Subscribe(
_ =>
{
this.IsNotifying = enable;
ob.Respond(this);
},
ob.OnError
);
return(() => sub?.Dispose());
}));
public override IObservable <IGattDescriptor> DiscoverDescriptors()
=> this.descriptorOb ??= Observable.Create <IGattDescriptor>(ob =>
{
foreach (var nd in this.native.Descriptors)
{
var wrap = new GattDescriptor(this, this.context, nd);
ob.OnNext(wrap);
}
return(Disposable.Empty);
})
.Replay()
.RefCount();
public override IObservable <IGattDescriptor> DiscoverDescriptors()
{
this.descriptorOb = this.descriptorOb ?? Observable.Create <IGattDescriptor>(async ob =>
{
var result = await this.Native.GetDescriptorsAsync(BluetoothCacheMode.Uncached);
//if (result.Status != GattCommunicationStatus.Success)
foreach (var dnative in result.Descriptors)
{
var descriptor = new GattDescriptor(dnative, this);
ob.OnNext(descriptor);
}
return(Disposable.Empty);
})
.Replay();
return(this.descriptorOb);
}
