public static bool HasNotify(this Characteristic ch) => ch.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Indicate) || ch.CharacteristicProperties.HasFlag(GattCharacteristicProperties.Notify);
private void Characteristic_ValueChanged(Uap.GattCharacteristic sender, Uap.GattValueChangedEventArgs args)
{
OnCharacteristicValueChanged(new GattCharacteristicValueChangedEventArgs(args.CharacteristicValue.ToArray()));
}
private void Characteristic_ValueChanged(Uap.GattCharacteristic sender, Uap.GattValueChangedEventArgs args)
{
OnCharacteristicValueChanged();
}
internal GattCharacteristic(BluetoothRemoteGATTService service, Uap.GattCharacteristic characteristic) : this(service)
{
_characteristic = characteristic;
}
internal GattCharacteristic(GattService service, Uap.GattCharacteristic characteristic) : this(service)
{
_characteristic = characteristic;
}
private void SelectedCharacteristic_ValueChanged(Windows.Devices.Bluetooth.GenericAttributeProfile.GattCharacteristic sender, Windows.Devices.Bluetooth.GenericAttributeProfile.GattValueChangedEventArgs args)
{
if (eventData.Length != args.CharacteristicValue.Length)
{
eventData = new byte[args.CharacteristicValue.Length];
}
Windows.Storage.Streams.DataReader.FromBuffer(args.CharacteristicValue).ReadBytes(eventData);
val1 = val2 = val3 = 0;
int bit = 0;
//val1 += (eventData[48] & (1 << 7)) != 0 ? (1 << 0) : 0;
//val1 += (eventData[49] & (1 << 0)) != 0 ? (1 << 1) : 0;
//val1 += (eventData[49] & (1 << 1)) != 0 ? (1 << 2) : 0;
//val1 += (eventData[49] & (1 << 3)) != 0 ? (1 << bit++) : 0;
val1 += (eventData[49] & (1 << 3)) != 0 ? (1 << bit++) : 0;
bit = 0;
//val2 += (eventData[51] & (1 << 0)) != 0 ? (1 << 0) : 0;
//val2 += (eventData[51] & (1 << 1)) != 0 ? (1 << 1) : 0;
//val2 += (eventData[51] & (1 << 2)) != 0 ? (1 << 2) : 0;
//val2 += (eventData[51] & (1 << 3)) != 0 ? (1 << 3) : 0;
val2 += (eventData[51] & (1 << 4)) != 0 ? (1 << bit++) : 0;
bit = 0;
//val3 += (eventData[52] & (1 << 5)) != 0 ? (1 << 0) : 0;
//val3 += (eventData[52] & (1 << 6)) != 0 ? (1 << 1) : 0;
//val3 += (eventData[52] & (1 << 7)) != 0 ? (1 << 2) : 0;
//val3 += (eventData[53] & (1 << 0)) != 0 ? (1 << 3) : 0;
val3 += (eventData[52] & (1 << 6)) != 0 ? (1 << bit++) : 0;
val3 += (eventData[52] & (1 << 7)) != 0 ? (1 << bit++) : 0;
val3 += (eventData[53] & (1 << 0)) != 0 ? (1 << bit++) : 0;
val3 += (eventData[53] & (1 << 1)) != 0 ? (1 << bit++) : 0;
val3 += (eventData[53] & (1 << 2)) != 0 ? (1 << bit++) : 0;
axisX = axisY = 0;
axisY += (eventData[55] & (1 << 3)) != 0 ? (1 << 0) : 0;
axisY += (eventData[55] & (1 << 4)) != 0 ? (1 << 1) : 0;
axisY += (eventData[55] & (1 << 5)) != 0 ? (1 << 2) : 0;
axisY += (eventData[55] & (1 << 6)) != 0 ? (1 << 3) : 0;
axisY += (eventData[55] & (1 << 7)) != 0 ? (1 << 4) : 0;
axisY += (eventData[54] & (1 << 0)) != 0 ? (1 << 5) : 0;
axisY += (eventData[54] & (1 << 1)) != 0 ? (1 << 6) : 0;
axisY += (eventData[54] & (1 << 2)) != 0 ? (1 << 7) : 0;
axisX += (eventData[55] & (1 << 0)) != 0 ? (1 << 7) : 0;
axisX += (eventData[56] & (1 << 7)) != 0 ? (1 << 6) : 0;
axisX += (eventData[56] & (1 << 6)) != 0 ? (1 << 5) : 0;
axisX += (eventData[56] & (1 << 5)) != 0 ? (1 << 4) : 0;
axisX += (eventData[56] & (1 << 4)) != 0 ? (1 << 3) : 0;
axisX += (eventData[56] & (1 << 3)) != 0 ? (1 << 2) : 0;
axisX += (eventData[56] & (1 << 2)) != 0 ? (1 << 1) : 0;
axisX += (eventData[56] & (1 << 1)) != 0 ? (1 << 0) : 0;
BitArray bits = new BitArray(eventData);
for (int i = 0; i < bits.Count; i++)
{
eventBits[i] = bits[i] ? 1 : 0;
if (bits[i])
{
if (eventAnalysis[i] < 0)
{
eventAnalysis[i] = 0;
}
else
{
eventAnalysis[i] = Math.Min(eventAnalysis[i] + 1, eventAnalysisThr);
}
}
else
{
if (eventAnalysis[i] > 0)
{
eventAnalysis[i] = 0;
}
else
{
eventAnalysis[i] = Math.Max(eventAnalysis[i] - 1, -eventAnalysisThr);
}
}
}
triggerButton = 0 != (eventData[58] & (1 << 0));
homeButton = 0 != (eventData[58] & (1 << 1));
backButton = 0 != (eventData[58] & (1 << 2));
touchpadButton = 0 != (eventData[58] & (1 << 3));
volumeDownButton = 0 != (eventData[58] & (1 << 4));
volumeUpButton = 0 != (eventData[58] & (1 << 5));
touchpadPressed = axisX != 0 && axisY != 0;
}
private async void Get_Characteriisics()
{
Guid notifyGuid = new Guid("{c8c51726-81bc-483b-a052-f7a14ea3d281}");
Guid writeGuid = new Guid("{c8c51726-81bc-483b-a052-f7a14ea3d282}");
bool success = true;
var charResult = myService.GetAllCharacteristics();
//if (CharResult.Status == GattCommunicationStatus.Success)
{
foreach (Windows.Devices.Bluetooth.GenericAttributeProfile.GattCharacteristic c in charResult)
{
if (
c.CharacteristicProperties.HasFlag(Windows.Devices.Bluetooth.GenericAttributeProfile.GattCharacteristicProperties.Notify) &&
c.Uuid == notifyGuid)
{
notifyCharacteristic = c;
}
else if (
c.CharacteristicProperties.HasFlag(Windows.Devices.Bluetooth.GenericAttributeProfile.GattCharacteristicProperties.Write) &&
c.Uuid == writeGuid)
{
writeCharacteristic = c;
}
if (notifyCharacteristic != null && writeCharacteristic != null)
{
break;
}
}
success = notifyCharacteristic != null && writeCharacteristic != null;
if (success)
{
try
{
// Write the ClientCharacteristicConfigurationDescriptor in order for server to send notifications.
var result = await notifyCharacteristic.WriteClientCharacteristicConfigurationDescriptorAsync(
Windows.Devices.Bluetooth.GenericAttributeProfile.GattClientCharacteristicConfigurationDescriptorValue.Notify);
if (result == Windows.Devices.Bluetooth.GenericAttributeProfile.GattCommunicationStatus.Success)
{
// var dialogNotifications = new MessageDialog("Successfully registered for notifications");
// await dialogNotifications.ShowAsync();
notifyCharacteristic.ValueChanged += SelectedCharacteristic_ValueChanged;
success = true;
}
if (success)
{
success = await InitialKickEvents();
}
}
catch (Exception ex)
{
// This usually happens when not all characteristics are found
// or selected characteristic has no Notify.
//var dialogNotifications = new MessageDialog(ex.Message);
//await dialogNotifications.ShowAsync();
//await Task.Delay(100);
//Get_Characteriisics(myService); //try again
//!!! Add a max try counter to prevent infinite loop!!!!!!!
}
}
}
}
