private BLEManager()
{
serviceID = new Guid("6E400001-B5A3-F393-E0A9-E50E24DCCA9E");
rxID = new Guid("6E400003-B5A3-F393-E0A9-E50E24DCCA9E");
txID = new Guid("6E400002-B5A3-F393-E0A9-E50E24DCCA9E");
ble = Plugin.BLE.CrossBluetoothLE.Current;
ble.Adapter.ScanTimeout = 10000;
ble.Adapter.DeviceDiscovered += async(s, e) =>
{
BLEConnectionEvent(BLEConnectionState.DeviceDiscovered);
await ble.Adapter.StopScanningForDevicesAsync();
device = e.Device;
try
{
await ble.Adapter.ConnectToDeviceAsync(device);
if (device.State != DeviceState.Connected)
{
BLEConnectionEvent(BLEConnectionState.CannotConnect);
return;
}
BLEConnectionEvent(BLEConnectionState.DeviceConnected);
var service = await device.GetServiceAsync(serviceID);
BLEConnectionEvent(BLEConnectionState.ServiceFound);
RxCharacteristic = await service.GetCharacteristicAsync(rxID);
TxCharacteristic = await service.GetCharacteristicAsync(txID);
await RxCharacteristic.StartUpdatesAsync();
IsConnected = true;
BLEConnectionEvent(BLEConnectionState.CharacteristicFound);
}
catch (DeviceConnectionException)
{
BLEConnectionEvent(BLEConnectionState.CannotConnect);
}
};
ble.Adapter.ScanTimeoutElapsed += (s, e) => BLEConnectionEvent(BLEConnectionState.ScanTimeoutElapsed);
}
private async void DeviceDiscovered(object s, DeviceEventArgs e)
{
BLEConnectionEvent(BLEConnectionState.DeviceDiscovered);
await ble.Adapter.StopScanningForDevicesAsync();
device = e.Device;
try
{
await ble.Adapter.ConnectToDeviceAsync(device);
if (device.State != DeviceState.Connected)
{
BLEConnectionEvent(BLEConnectionState.CannotConnect);
return;
}
BLEConnectionEvent(BLEConnectionState.DeviceConnected);
var service = await device.GetServiceAsync(serviceID);
BLEConnectionEvent(BLEConnectionState.ServiceFound);
RxCharacteristic = await service.GetCharacteristicAsync(rxID);
TxCharacteristic = await service.GetCharacteristicAsync(txID);
await RxCharacteristic.StartUpdatesAsync();
IsConnected = true;
BLEConnectionEvent(BLEConnectionState.CharacteristicFound);
//RxCharacteristic.ValueUpdated += StateDataStore.Instance.BleRxUpdated;
}
catch (DeviceConnectionException)
{
BLEConnectionEvent(BLEConnectionState.CannotConnect);
}
}
