void onBondStateChanged(MLBluetoothLE.Device device, MLBluetoothLE.BondState state)
{
print("onBondStateChanged");
if (state.Equals(MLBluetoothLE.BondState.Bonded))
{
print("Device bonded!");
MLBluetoothLE.DiscoverServices();
}
}
void onBluetoothGattDescriptionWrite(MLBluetoothLE.Descriptor descriptor, MLBluetoothLE.Status status)
{
print("------------onBluetoothGattDescriptorWrite");
// MLBluetoothLE.EnableCharacteristicNotification(characteristic, true);
// MLBluetoothLE.OnBluetoothGattRemoteCharacteristicChanged += onCharacteristicChanged;
MLBluetoothLE.EnableCharacteristicNotification(characteristic, true);
printDescriptorInfo(descriptor);
printCharacteristicInfo();
MLBluetoothLE.ReadCharacteristic(ref characteristic);
}
void onBluetoothConnectionStateChanged(MLBluetoothLE.Status status, MLBluetoothLE.GattConnectionState state)
{
print(status.ToString());
print(state.ToString());
if (state.Equals(MLBluetoothLE.GattConnectionState.Connected))
{
print("Connected to keyboard");
MLBluetoothLE.DiscoverServices();
// MLBluetoothLE.CreateBond(device.Address);
}
else
{
print("Disconnected from keyboard");
}
}
// Start is called before the first frame update
void Start()
{
print("BluetoothConnector Started: V1");
MLBluetoothLE.Start();
MLBluetoothLE.StartScan();
MLBluetoothLE.OnScanResult += onScanResult;
MLBluetoothLE.OnBluetoothConnectionStateChanged += onBluetoothConnectionStateChanged;
MLBluetoothLE.OnBondStateChanged += onBondStateChanged;
MLBluetoothLE.OnBluetoothCharacteristicRead += onCharacteristicRead;
MLBluetoothLE.OnBluetoothGattRemoteCharacteristicChanged += onCharacteristicChanged;
MLBluetoothLE.OnBluetoothServicesDiscovered += onBLEServicesDiscovered;
MLBluetoothLE.OnBluetoothGattDescriptorWrite += onBluetoothGattDescriptionWrite;
MLBluetoothLE.OnBluetoothCharacteristicWrite += onCharacteristicWrite;
}
void onScanResult(MLBluetoothLE.Device device)
{
// print("Scan Result");
// print(device.Address);
if (device.Address == KEYBOARD_ADDRESS)
{
print("Keyboard found!");
print(device.Name);
print(device.DeviceType.ToString());
this.device = device;
MLBluetoothLE.StopScan();
print("Attempting to connect");
MLBluetoothLE.GattConnect(device.Address);
}
}
void onBLEServicesDiscovered(MLBluetoothLE.Status status)
{
print("onBLEServicesDiscovered: " + status.ToString());
// You can now read and write to GATT characteristics and descriptors
// or set notification for when a GATT characteristic changes.
// Each time you start an operation on the GATT server, you must wait until
// the corresponding callback is called before you can start another operation.
// The callbacks include the operation status, which you can use to determine
// next steps on the operation.
MLBluetoothLE.Service[] services;
MLBluetoothLE.GetServiceRecord(out services);
print("Found " + services.Length + " services");
printBLEState();
foreach (MLBluetoothLE.Service service in services)
{
// print(service.Uuid);
if (service.Uuid.Equals(SERVICE_UUID))
{
print("---------Found Service!!!!!!!!!");
//foreach (MLBluetoothLE.Characteristic characteristic in service.Characteristics) {'
// This characteristic is neither readable or writable. a client can obtain its value only through notifications sent by the server.
this.characteristic = service.Characteristics[0];
print("Enabling notifications for: " + characteristic.Uuid);
printCharacteristicInfo();
characteristic.WriteType = MLBluetoothLE.WriteType.Default;
MLBluetoothLE.EnableCharacteristicNotification(characteristic, true);
// Every time a client wants to enable notifications or indications for a particular characteristic that supports them, it simply uses a Write Request ATT packet to set the corresponding bit to 1
descriptor = characteristic.Descriptors[0];
//descriptor.Buffer = new byte[] { 0x01 | 0x02 | 0x04 | 0x10, 0x00 };
//descriptor.Buffer = new byte[] { 0x11, 0x11 };
descriptor.Buffer = new byte[] { 0x01, 0x00 };
printDescriptorInfo(descriptor);
MLBluetoothLE.WriteDescriptor(descriptor);
MLBluetoothLE.EnableCharacteristicNotification(characteristic, true);
characteristic.Descriptors[0] = descriptor;
MLBluetoothLE.WriteCharacteristic(characteristic);
//MLBluetoothLE.EnableCharacteristicNotification(characteristic, true);
}
}
}
private void printBLEState()
{
MLBluetoothLE.AdapterState adapterState;
MLBluetoothLE.GetAdapterState(out adapterState);
print("Adapter state: " + adapterState.ToString());
}
