public async Task <bool> connect()
{
Debug.WriteLine("Connecting to GATT");
await btDevice.Gatt.ConnectAsync();
for (int i = 0; i < rxCharacteristics.Length; i++)
{
var service = serviceUID[i];
var rxChar = rxCharacteristics[i];
var txChar = txCharacteristics[i];
try
{
Debug.WriteLine("Connecting to service");
btSevice = await btDevice.Gatt.GetPrimaryServiceAsync(BluetoothUuid.FromGuid(new Guid(service)));
if (btSevice == null)
{
continue; // skip iteration, it was bad.
}
} catch { Debug.WriteLine("Failed to connect to toy"); continue; }
try
{
Debug.WriteLine("Getting TXRX");
btRxChr = (await btSevice.GetCharacteristicAsync(new Guid(rxChar)));
btTxChr = (await btSevice.GetCharacteristicAsync(new Guid(txChar)));
if (btRxChr == null || btTxChr == null)
{
continue; // skip iteration, not good.
}
Debug.WriteLine("Success, got TXRX");
break;
}
catch { Debug.WriteLine("Failed to connect to toy (characteristic)"); continue; }
}
if (btSevice == null || btRxChr == null || btTxChr == null)
{
Debug.WriteLine("Service or characteristic was null!");
return(false);
}
var devInfo = sendCommand("DeviceType;").Result;
Model = lookupToyName(devInfo[0]);
Debug.WriteLine($"Toy type connected . . . {Model}");
return(true);
}
public static bool checkPlug()
{
if (selectedDevice == null)
{
return(false);
}
Console.WriteLine("Trying PrimaryService at 5a300001-0023-4bd4-bbd5-a6920e4c5653");
var devsvc = selectedDevice.Gatt.GetPrimaryServiceAsync(BluetoothUuid.FromGuid(new Guid("5a300001-0023-4bd4-bbd5-a6920e4c5653"))).Result;
Console.WriteLine("Primary service successfully allocated.");
Console.WriteLine("Getting service characteristics...");
try
{
plugComm = devsvc.GetCharacteristicsAsync().Result[0];
Console.WriteLine("Got characteristic service " + plugComm.Uuid);
}
catch
{
return(false);
}
return(false);
}
async Task Send(byte[] byteArray)
{
#if disableBluetoothLights
#else
await GetDevice();
if (device == null)
{
return;
}
const string STR_LightControlServiceId = "69400001-b5a3-f393-e0a9-e50e24dcca99";
BluetoothUuid bluetoothUuid = BluetoothUuid.FromGuid(new Guid(STR_LightControlServiceId));
GattService controlService = await device.Gatt.GetPrimaryServiceAsync(BluetoothUuid.FromGuid(new Guid(STR_LightControlServiceId)));
if (controlService != null)
{
const string STR_CharacteristicID = "69400002-b5a3-f393-e0a9-e50e24dcca99";
GattCharacteristic gattCharacteristic = await controlService.GetCharacteristicAsync(BluetoothUuid.FromGuid(new Guid(STR_CharacteristicID)));
await gattCharacteristic.WriteValueWithoutResponseAsync(byteArray);
}
#endif
}
private async void MainPage_Appearing(object sender, EventArgs e)
{
foreach (var prop in typeof(GattServiceUuids).GetFields(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Static))
{
BluetoothUuid val = (BluetoothUuid)prop.GetValue(null);
ushort shortVal = (ushort)val;
BluetoothUuid convertedVal = shortVal;
}
Bluetooth b = new Bluetooth();
b.AdvertisementReceived += B_AdvertisementReceived;
//b.RequestLEScan(new BluetoothLEScan() { AcceptAllAdvertisements = true });
var device = await b.RequestDevice(new RequestDeviceOptions()
{
AcceptAllDevices = true
});
if (device != null)
{
var servs = await device.Gatt.GetPrimaryServices();
foreach (var serv in servs)
{
System.Diagnostics.Debug.WriteLine($"{serv.Uuid} Primary:{serv.IsPrimary}");
if (serv.Uuid == GattServiceUuids.Battery)
{
var batchar = await serv.GetCharacteristicAsync(GattCharacteristicUuids.BatteryLevel);
var batval = await batchar.ReadValueAsync();
//battery percent stored as a single byte
System.Diagnostics.Debug.WriteLine($"Battery: {batval[0]}");
}
System.Diagnostics.Debug.Indent();
foreach (var chars in await serv.GetCharacteristicsAsync())
{
System.Diagnostics.Debug.WriteLine($"{chars.Uuid} UserDescription:{chars.UserDescription} Properties:{chars.Properties}");
var val = await chars.ReadValueAsync();
System.Diagnostics.Debug.WriteLine(ByteArrayToString(val));
if (chars.Uuid == GattCharacteristicUuids.DeviceName)
{
Debug.WriteLine($"DeviceName:{System.Text.Encoding.UTF8.GetString(val)}");
}
System.Diagnostics.Debug.Indent();
foreach (var descriptors in await chars.GetDescriptorsAsync())
{
System.Diagnostics.Debug.WriteLine($"Descriptor:{descriptors.Uuid}");
var val2 = await descriptors.ReadValueAsync();
if (descriptors.Uuid == GattDescriptorUuids.ClientCharacteristicConfiguration)
{
System.Diagnostics.Debug.WriteLine($"Notifying:{val2[0] > 0}");
}
else if (descriptors.Uuid == GattDescriptorUuids.CharacteristicUserDescription)
{
System.Diagnostics.Debug.WriteLine($"UserDescription:{ByteArrayToString(val2)}");
}
else
{
System.Diagnostics.Debug.WriteLine(ByteArrayToString(val2));
}
}
System.Diagnostics.Debug.Unindent();
}
System.Diagnostics.Debug.Unindent();
}
}
}