private void DisconnectFromDevice()
{
BluetoothLEHardwareInterface.DisconnectPeripheral(DeviceAddress, (address) =>
{
SetState(States.Disconnected, 0.1f);
});
}
public void DisconnectPeripheral(
string name,
Action <string> action
)
{
BluetoothLEHardwareInterface.DisconnectPeripheral(name, action);
}
private void ResetState(Action afterResetAction)
{
if (_peripheralParams.HasValue)
{
if (_connected)
{
logger.DebugLog("Disconnecting from peripheral with device address: " + _deviceAddress);
BluetoothLEHardwareInterface.DisconnectPeripheral(_deviceAddress, (address) => {
logger.DebugLog("De-initializing bluetooth hardware interface");
BluetoothLEHardwareInterface.DeInitialize(() => {
ResetStateVars();
afterResetAction();
});
});
}
else
{
logger.DebugLog("De-initializing bluetooth hardware interface");
BluetoothLEHardwareInterface.DeInitialize(() => {
ResetStateVars();
afterResetAction();
});
}
}
else
{
ResetStateVars();
afterResetAction();
}
}
void CheckDieCharacteristics(Die die)
{
// Check that the die has the read and write characteristics
if (die.deviceConnected &&
die.messageReadCharacteristicFound &&
die.messageWriteCharacteristicFound)
{
die.state = Die.State.Connected;
// Subscribe, but only subscribe to one characteristic at a time
StartNextSubscribeToCharacteristic();
}
else
{
// Check timeout!
if (Time.time - die.startTime > DiscoverCharacteristicsTimeout)
{
// Wrong characteristics, we can't talk to this die!
Debug.LogError("Timeout looking for characteristics on Die " + die.die.name);
// Temporarily add the die to the connected list to avoid an error message during the disconnect
die.state = Die.State.Disconnecting;
// And force a disconnect
BluetoothLEHardwareInterface.DisconnectPeripheral(die.die.address, null);
}
// Else just keep waiting
}
}
void Disconnect(string address)
{
BluetoothLEHardwareInterface.UnSubscribeCharacteristic(address, serviceUUID, characteristicUUID, null);
BluetoothLEHardwareInterface.DisconnectPeripheral(address, null);
// BluetoothLEHardwareInterface.DeInitialize(null);
// illegalDevices.Add(address);
SetState(States.Scan, 0.5f);
}
//handles Connect
//connect the device as a peripheral, and set up the characteristics for I/O properly
public void OnConnect(string dName, string dAddress)
{
_connectedName = (string)dName.Clone();
_connectedAddress = (string)dAddress.Clone();
if (!_connecting)
{ //perform a connection only if it is not doing it
if (_connected)
{ //if already connected, disconnect it
if (_connectedAddress != null)
{
BluetoothLEHardwareInterface.DisconnectPeripheral(_connectedAddress, null);
}
_connected = false;
}
else
{
_readFound = false;
_writeFound = false;
//connect to the device with the address provided
BluetoothLEHardwareInterface.ConnectToPeripheral(_connectedAddress,
(address) => {//gets called when the connection is successful
_connectedAddress = address;
_connected = true;
_connecting = false;
_bleManager.IndicateConnected(dName, dAddress); //let the manager know it is connected
//stop scanning if a connection is established
BluetoothLEHardwareInterface.StopScan();
},
(address, serviceUUID) => {//gets called for each service the device supports
BluetoothLEHardwareInterface.Log(_connectedName + " supports service: " + serviceUUID);
},
(address, serviceUUID, characteristicUUID) => {//gets called for each characteristic the device supports
BluetoothLEHardwareInterface.Log(serviceUUID + " supports characteristic: " + characteristicUUID);
if (serviceUUID.ToUpper().CompareTo(_serviceUUID.ToUpper()) == 0)
{ //the _serviceUUID is a hardware-specific value indicating a certain characteristic,
// i.e., different from hardware to hardware
if (characteristicUUID.ToUpper().CompareTo(_characteristicUUID.ToUpper()) == 0)
{
_writeFound = true; //write characteristic of Bluno?
}
}
}, (address) => {
// this will get called when the device disconnects
// be aware that this will also get called when the disconnect
// is called above. both methods get call for the same action
// this is for backwards compatibility
_connected = false;
}
);
_connecting = true;
}
}
}
/**
* Disconnect currently connected device
*/
public void DisconnectDevice()
{
if (Connected)
{
BluetoothLEHardwareInterface.DisconnectPeripheral(_connectedDevice.address, null);
Connected = false;
Initialize();
}
}
//handles Disconnect
//disconnect the device as a peripheral
public void OnDisconnect()
{
if (_connectedAddress != null)
{//disconnect from a connected device if there is any
BluetoothLEHardwareInterface.DisconnectPeripheral(_connectedAddress, null);
_connectedAddress = null;
}
_connected = false;
}
//deinitialize the bluetooth system when the script is destroyed
private void OnDestroy()
{
if (_connectedAddress != null)
{//disconnect from a connected device if there is any
BluetoothLEHardwareInterface.DisconnectPeripheral(_connectedAddress, null);
_connectedAddress = null;
_connected = false;
_connecting = false;
}
BluetoothLEHardwareInterface.DeInitialize(null);
}
void disconnect(Action <string> action)
{
if (TemperatureEnabled || AccelerometerEnabled)
{
TemperatureEnabled = false;
AccelerometerEnabled = false;
}
else
{
BluetoothLEHardwareInterface.DisconnectPeripheral(Address.text, action);
}
}
void disconnectToDevice()
{
if (_connected)
{
BluetoothLEHardwareInterface.DisconnectPeripheral(_JDY16, (address) => {
BluetoothLEHardwareInterface.DeInitialize(() => { _connected = false; _state = States.None; });
});
}
else
{
BluetoothLEHardwareInterface.DeInitialize(() => { _state = States.None; });
}
}
public static void disConnect()
{
if (!BTStatus)
{
return;
}
BluetoothLEHardwareInterface.DisconnectPeripheral(linkData.address,
(deviceAddress) =>
{
BTLog = "Disconnect " + deviceAddress + " \n";
isConnected = false;
BTStatus = false;
});
}
void CheckSubscriptionState(Die die)
{
if (Time.time - die.startTime > SubscribeCharacteristicsTimeout)
{
Debug.LogError("Timeout trying to subscribe to die " + die.name);
onBluetoothError -= OnCharacteristicSubscriptionError;
// Temporarily add the die to the connected list to avoid an error message during the disconnect
// And force a disconnect
die.state = Die.State.Disconnecting;
BluetoothLEHardwareInterface.DisconnectPeripheral(die.address, null);
StartNextSubscribeToCharacteristic();
}
}
private void HandleDisconnected()
{
if (ConnectedToAdr != "NULL")
{
BluetoothLEHardwareInterface.DisconnectPeripheral(ConnectedToAdr, null);
}
// Reset state, go back to Scan:
CurRoll = 0.0f;
CurPitch = 0.0f;
CurYaw = 0.0f;
PendingResponse = false;
ConnectTimer = 0.0f;
ConnectedToAdr = "NULL";
ResetPeripherals();
UpdateState(States.Scan);
}
public void OnButtonClick(int buttonID)
{
if (buttonID >= 0 && buttonID < 4)
{
DeviceObject device = FoundDeviceListScript.DeviceAddressList[buttonID];
Text button = Buttons[buttonID];
string subscribedService = Services[buttonID];
string subscribedCharacteristic = Characteristics[buttonID];
if (device != null && button != null)
{
if (button.text.Contains("connected"))
{
if (!string.IsNullOrEmpty(subscribedService) && !string.IsNullOrEmpty(subscribedCharacteristic))
{
BluetoothLEHardwareInterface.UnSubscribeCharacteristic(device.Address, subscribedService, subscribedCharacteristic, (characteristic) => {
Services[buttonID] = null;
Characteristics[buttonID] = null;
BluetoothLEHardwareInterface.DisconnectPeripheral(device.Address, (disconnectAddress) => {
button.text = device.Name;
});
});
}
else
{
BluetoothLEHardwareInterface.DisconnectPeripheral(device.Address, (disconnectAddress) => {
button.text = device.Name;
});
}
}
else
{
BluetoothLEHardwareInterface.ConnectToPeripheral(device.Address, (address) => {
}, null, (address, service, characteristic) => {
if (string.IsNullOrEmpty(Services[buttonID]) && string.IsNullOrEmpty(Characteristics[buttonID]))
{
Services[buttonID] = FullUUID(service);
Characteristics[buttonID] = FullUUID(characteristic);
button.text = device.Name + " connected";
}
}, null);
}
}
}
}
public static void BTreadOff()
{
if (!BTStatus)
{
return;
}
/*BluetoothLEHardwareInterface.UnSubscribeCharacteristic(connectedID, FullUUID(serviceUUID), FullUUID(rCharacteristicUUID),
* (unSubscribe) =>
* {
* readStart = true;
* });*/
BluetoothLEHardwareInterface.DisconnectPeripheral(connectedID,
(disconnect) =>
{
BTStatus = false;
readStart = false;
});
}
/// <summary>
/// Disconnect from a given die
/// </summary>
public void DisconnectDie(IDie die)
{
if (_dice.TryGetValue(die.address, out Die ddie))
{
if (ddie.state == Die.State.Advertising)
{
Debug.LogError("Die " + die.name + " in invalid state " + ddie.state);
return;
}
// And kick off the disconnection!
ddie.state = Die.State.Disconnecting;
BluetoothLEHardwareInterface.DisconnectPeripheral(die.address, null);
}
else
{
Debug.LogError("Trying to disconnect unknown die " + die.name);
}
}
//handles the scan button click
public void OnScan()
{
if (_scanning)
{//only scan once
BluetoothLEHardwareInterface.StopScan();
ScanButton.GetComponentInChildren <Text>().text = "Scan";
_scanning = false;
}
else
{
if (_connectedAddress != null)
{//disconnect from a connected device if there is any (only meant to connect to one device?)
BluetoothLEHardwareInterface.DisconnectPeripheral(_connectedAddress, null);
_connectedName = null;
_connectedAddress = null;
}
theCircle.GetComponent <Renderer>().enabled = false;
PanelScrollContents.gameObject.SetActive(true);// GetComponent<Renderer>().enabled = true;
SendButton.interactable = false;
RemovePeripherals();
DeviceServices.text = "scanning...";
// the first callback will only get called the first time this device is seen
// this is because it gets added to a list in the BluetoothDeviceScript
// after that only the second callback will get called and only if there is
// advertising data available
BluetoothLEHardwareInterface.ScanForPeripheralsWithServices(null, (address, name) => {
AddPeripheral(name, address);
}, (address, name, rssi, advertisingInfo) => {
if (advertisingInfo != null)
{
BluetoothLEHardwareInterface.Log(string.Format("Device: {0} RSSI: {1} Data Length: {2} Bytes: {3}", name, rssi, advertisingInfo.Length, BytesToString(advertisingInfo)));
}
});
ScanButton.GetComponentInChildren <Text>().text = "Stop";
_scanning = true;
}
}
/// <summary>
/// Disconnects the whole BLE Service.
/// </summary>
/// <param name="device"></param>
public static void Disconnect(Device device)
{
CheckIfInitialized();
if (CurrentState < State.Connected)
{
throw new Exception("You need to be connected to be able to disconnect");
}
SetState(State.Disconnecting);
Observable
.Timer(TimeSpan.FromSeconds(4f))
.Subscribe(_ =>
{
BluetoothLEHardwareInterface.DisconnectPeripheral(device.Address, address => {
DeInitialize();
SetState(State.ReadyToScan);
IsInitialized = false;
});
});
}
void ForceDisconnect()
{
if (_connected)
{
BluetoothLEHardwareInterface.DisconnectPeripheral(_deviceAddress, (address) => {
BluetoothLEHardwareInterface.DeInitialize(() => {
is_quit_ok = true;
_connected = false;
_state = States.None;
});
});
}
else
{
BluetoothLEHardwareInterface.DeInitialize(() => {
_state = States.None;
is_quit_ok = true;
});
}
Reset();
}
void OnCharacteristicSubscriptionError(string error)
{
Die sub = _dice.Values.FirstOrDefault(d => d.state == Die.State.Subscribing);
if (sub != null)
{
Debug.LogError("Die " + sub.name + " couldn't subscribe to read characteristic!");
onBluetoothError -= OnCharacteristicSubscriptionError;
// Temporarily add the die to the connected list to avoid an error message during the disconnect
// And force a disconnect
sub.state = Die.State.Disconnecting;
BluetoothLEHardwareInterface.DisconnectPeripheral(sub.address, null);
StartNextSubscribeToCharacteristic();
}
else
{
Debug.LogError("Subscription error but no subscribing die");
}
}
void CheckSubscriptionState(Die die)
{
if (Time.time - die.startTime > SubscribeCharacteristicsTimeout)
{
Debug.Assert(_state == State.Connecting);
_state = State.Idle;
string errorString = "Timeout trying to subscribe to die";
Debug.LogError("Characteristic Error: " + die.name + ": " + errorString);
die.onConnectionResult?.Invoke(die, false, errorString);
die.onConnectionResult = null;
die.onUnexpectedDisconnection = null;
die.onData = null;
// Temporarily add the die to the connected list to avoid an error message during the disconnect
// And force a disconnect
die.state = Die.State.Disconnecting;
_state = State.Disconnecting;
BluetoothLEHardwareInterface.DisconnectPeripheral(die.address, null);
StartNextSubscribeToCharacteristic();
}
}
public void Disconnect()
{
if (this.debugOutput)
{
Debug.Log("*** BLE Disconnect");
}
try
{
BluetoothLEHardwareInterface.DisconnectPeripheral(this.uuids[this.connectedDevice], this.disconnectCallback);
}
catch (Exception exception1)
{
Exception exception = exception1;
Debug.LogError("DisconnectPeripheral failed 2");
Debug.LogException(exception);
if (exception.Message.Contains("out of range"))
{
Debug.Log("Out of Range disconnect, break out");
base.CancelInvoke("timeOut");
this.m_skipTimeoutDisconnect = true;
return;
}
}
base.CancelInvoke("SendPIN");
base.CancelInvoke("timeOut");
BluetoothLE.connecting = false;
BluetoothLE.connectDataState = false;
BluetoothLE.connectState = false;
this.connectedDevice = -1;
this.setWriteState(false);
if (this.waitingForSequenceFeedback)
{
this.waitingForSequenceFeedback = false;
return;
}
base.Invoke("disconnectCB", 2f);
}
public void OnBluetoothFightFinish()
{
MyDebug.LogGreen("OnBluetoothFightFinish");
if (isCentral)
{
MyDebug.LogGreen("OnBluetoothFightFinish:Central");
BluetoothLEHardwareInterface.UnSubscribeCharacteristic(CurPeripheralInstance.address,
ServiceUUID,
ReadUUID,
(characteristic) =>
{
MyDebug.LogGreen("UnSubscribeCharacteristic Success :" + characteristic);
});
BluetoothLEHardwareInterface.DisconnectPeripheral(CurPeripheralInstance.address,
(disconnectAddress) =>
{
MyDebug.LogGreen("DisconnectPeripheral Success:" + disconnectAddress);
});
}
else
{
MyDebug.LogGreen("OnBluetoothFightFinish:Peripheral");
BluetoothLEHardwareInterface.StopAdvertising(() =>
{
MyDebug.LogGreen("Stop Advertising!");
});
}
BluetoothLEHardwareInterface.RemoveCharacteristics();
BluetoothLEHardwareInterface.RemoveServices();
BluetoothLEHardwareInterface.DeInitialize(() =>
{
MyDebug.LogGreen("DeInitialize Success!");
});
BluetoothLEHardwareInterface.BluetoothEnable(false);
}
/// <summary>
/// Disconnect from a given die
/// </summary>
void DoDisconnectDie(IDie die, System.Action <IDie, bool, string> onDisconnectionResult)
{
if (_dice.TryGetValue(die.address, out Die ddie))
{
Debug.Log("Disconnecting die " + die.name);
if (ddie.state == Die.State.Advertising)
{
Debug.LogError("Die " + die.name + " in invalid state " + ddie.state);
return;
}
_state = State.Disconnecting;
// And kick off the disconnection!
ddie.state = Die.State.Disconnecting;
ddie.onDisconnectionResult = onDisconnectionResult;
BluetoothLEHardwareInterface.DisconnectPeripheral(die.address, null); // <-- we don't use this callback, we already have one
}
else
{
Debug.LogError("Trying to disconnect unknown die " + die.name);
}
}
void CheckDieCharacteristics(Die die)
{
// Check that the die has the read and write characteristics
if (die.deviceConnected &&
die.messageReadCharacteristicFound &&
die.messageWriteCharacteristicFound)
{
die.state = Die.State.Connected;
// Subscribe, but only subscribe to one characteristic at a time
StartNextSubscribeToCharacteristic();
}
else
{
// Check timeout!
if (Time.time - die.startTime > DiscoverCharacteristicsTimeout)
{
Debug.Assert(_state == State.Connecting);
_state = State.Idle;
// Wrong characteristics, we can't talk to this die!
string errorString = "Timeout looking for characteristics on Die";
die.onConnectionResult?.Invoke(die, false, errorString);
die.onConnectionResult = null;
die.onUnexpectedDisconnection = null;
die.onData = null;
Debug.LogError("Characteristic Error: " + die.name + ": " + errorString);
// Temporarily add the die to the connected list to avoid an error message during the disconnect
// And force a disconnect
die.state = Die.State.Disconnecting;
_state = State.Disconnecting;
BluetoothLEHardwareInterface.DisconnectPeripheral(die.address, null);
}
// Else just keep waiting
}
}
public void DisconnectDie(Die die, System.Action <Die> dieDisconnectedCallback)
{
System.Action <string> dieDisconnected =
(ad) =>
{
if (ad == die.address)
{
if (dieDisconnectedCallback != null)
{
dieDisconnectedCallback(die);
}
// Other callbacks are already set
}
};
if (virtualBluetooth == null || !virtualBluetooth.IsVirtualDie(die.address))
{
BluetoothLEHardwareInterface.DisconnectPeripheral(die.address, dieDisconnected);
}
else
{
virtualBluetooth.DisconnectPeripheral(die.address, dieDisconnected);
}
}
void Bluetooth_Baglan()
{
if (Bluetooth_Bilgileri.State_Timeout > 0f)
{
Bluetooth_Bilgileri.State_Timeout -= Time.deltaTime;
if (Bluetooth_Bilgileri.State_Timeout <= 0f)
{
Bluetooth_Bilgileri.State_Timeout = 0f;
switch (Bluetooth_Bilgileri.State)
{
case Bluetooth_States.None:
break;
case Bluetooth_States.Scan:
Status_Update(Bluetooth_DeviceName + " aranıyor...");
BluetoothLEHardwareInterface.ScanForPeripheralsWithServices(null, (address, name) => {
// we only want to look at devices that have the name we are looking for
// this is the best way to filter out devices
if (name.Contains(Bluetooth_DeviceName))
{
// it is always a good idea to stop scanning while you connect to a device
// and get things set up
BluetoothLEHardwareInterface.StopScan();
Status_Update(Bluetooth_DeviceName + " bulundu...");
// add it to the list and set to connect to it
Bluetooth_Bilgileri.Device_Address = address;
SetState(Bluetooth_States.Connect, 0.5f);
}
}, null, false, false);
break;
case Bluetooth_States.Connect:
// set these flags
Status_Update(Bluetooth_DeviceName + " cihazına bağlanılıyor...");
// note that the first parameter is the address, not the name. I have not fixed this because
// of backwards compatiblity.
// also note that I am note using the first 2 callbacks. If you are not looking for specific characteristics you can use one of
// the first 2, but keep in mind that the device will enumerate everything and so you will want to have a timeout
// large enough that it will be finished enumerating before you try to subscribe or do any other operations.
BluetoothLEHardwareInterface.ConnectToPeripheral(Bluetooth_Bilgileri.Device_Address, null, null, (address, serviceUUID, characteristicUUID) => {
if (UUIDIsEqual(serviceUUID, Bluetooth_ServiceUUID))
{
// if we have found the characteristic that we are waiting for
// set the state. make sure there is enough timeout that if the
// device is still enumerating other characteristics it finishes
// before we try to subscribe
if (UUIDIsEqual(characteristicUUID, Bluetooth_Characteristic))
{
Bluetooth_Bilgileri.Connected = true;
SetState(Bluetooth_States.Subscribe, 2f);
Status_Update(Bluetooth_DeviceName + " cihazına bağlanıldı.");
}
}
}, (disconnectedAddress) => {
BluetoothLEHardwareInterface.Log("Device disconnected: " + disconnectedAddress);
Status_Update(Bluetooth_DeviceName + " cihazı ile bağlantı kesildi!");
});
break;
case Bluetooth_States.Subscribe:
Status_Update("Veri alımına kaydolunuyor...");
BluetoothLEHardwareInterface.SubscribeCharacteristicWithDeviceAddress(Bluetooth_Bilgileri.Device_Address, Bluetooth_ServiceUUID, Bluetooth_Characteristic, null, (address, characteristicUUID, bytes) => {
Bluetooth_Bilgileri.Receive_Count++;
BluetoothLEHardwareInterface.Log("Alinan: " + Encoding.UTF8.GetString(bytes));
Status_Update("Alınan veri: " + Encoding.UTF8.GetString(bytes));
Bluetooth_Verilerini_Isle(bytes);
});
// set to the none state and the user can start sending and receiving data
SetState(Bluetooth_States.None, 0);
Status_Update("Veri bekleniyor...");
break;
case Bluetooth_States.Unsubscribe:
BluetoothLEHardwareInterface.UnSubscribeCharacteristic(Bluetooth_Bilgileri.Device_Address, Bluetooth_ServiceUUID, Bluetooth_Characteristic, null);
SetState(Bluetooth_States.Disconnect, 4f);
break;
case Bluetooth_States.Disconnect:
if (Bluetooth_Bilgileri.Connected)
{
BluetoothLEHardwareInterface.DisconnectPeripheral(Bluetooth_Bilgileri.Device_Address, (address) => {
BluetoothLEHardwareInterface.DeInitialize(() => {
Bluetooth_Bilgileri.Connected = false;
SetState(Bluetooth_States.None, 0);
});
});
}
else
{
BluetoothLEHardwareInterface.DeInitialize(() => {
SetState(Bluetooth_States.None, 0);
});
}
break;
}
}
}
}
// Update is called once per frame
void Update()
{
if (_timeout > 0f)
{
_timeout -= Time.deltaTime;
if (_timeout <= 0f)
{
_timeout = 0f;
switch (_state)
{
case States.None:
break;
case States.Scan:
BluetoothLEHardwareInterface.ScanForPeripheralsWithServices(null, (address, name) => {
// if your device does not advertise the rssi and manufacturer specific data
// then you must use this callback because the next callback only gets called
// if you have manufacturer specific data
if (name.Contains(DeviceName))
{
BluetoothLEHardwareInterface.StopScan();
// found a device with the name we want
// this example does not deal with finding more than one
_deviceAddress = address;
SetState(States.Connect, 0.5f);
}
}, (address, name, rssi, bytes) => {
// use this one if the device responses with manufacturer specific data and the rssi
});
break;
case States.Connect:
// set these flags
_foundSubscribeID = false;
_foundWriteID = false;
// note that the first parameter is the address, not the name. I have not fixed this because
// of backwards compatiblity.
// also note that I am note using the first 2 callbacks. If you are not looking for specific characteristics you can use one of
// the first 2, but keep in mind that the device will enumerate everything and so you will want to have a timeout
// large enough that it will be finished enumerating before you try to subscribe or do any other operations.
BluetoothLEHardwareInterface.ConnectToPeripheral(_deviceAddress, null, null, (address, serviceUUID, characteristicUUID) => {
if (IsEqual(serviceUUID, ServiceUUID))
{
_foundSubscribeID = _foundSubscribeID || IsEqual(characteristicUUID, SubscribeCharacteristic);
_foundWriteID = _foundWriteID || IsEqual(characteristicUUID, WriteCharacteristic);
// if we have found both characteristics that we are waiting for
// set the state. make sure there is enough timeout that if the
// device is still enumerating other characteristics it finishes
// before we try to subscribe
if (_foundSubscribeID && _foundWriteID)
{
_connected = true;
SetState(States.Subscribe, 2f);
}
}
});
break;
case States.Subscribe:
BluetoothLEHardwareInterface.SubscribeCharacteristicWithDeviceAddress(_deviceAddress, ServiceUUID, SubscribeCharacteristic, null, (address, characteristicUUID, bytes) => {
// we don't have a great way to set the state other than waiting until we actually got
// some data back. For this demo with the rfduino that means pressing the button
// on the rfduino at least once before the GUI will update.
_state = States.None;
// we received some data from the device
_dataBytes = bytes;
});
break;
case States.Unsubscribe:
BluetoothLEHardwareInterface.UnSubscribeCharacteristic(_deviceAddress, ServiceUUID, SubscribeCharacteristic, null);
SetState(States.Disconnect, 4f);
break;
case States.Disconnect:
BluetoothLEHardwareInterface.DisconnectPeripheral(_deviceAddress, (address) => {
BluetoothLEHardwareInterface.Log("1");
BluetoothLEHardwareInterface.DeInitialize(() => {
_connected = false;
_state = States.None;
});
});
break;
}
}
}
}
// Update is called once per frame
void Update()
{
if (_timeout > 0f)
{
_timeout -= Time.deltaTime;
if (_timeout <= 0f)
{
_timeout = 0f;
switch (_state)
{
case States.None:
break;
case States.Scan:
StatusMessage = "Scanning for " + DeviceName;
BluetoothLEHardwareInterface.ScanForPeripheralsWithServices(null, (address, name) =>
{
// if your device does not advertise the rssi and manufacturer specific data
// then you must use this callback because the next callback only gets called
// if you have manufacturer specific data
if (!_rssiOnly)
{
if (name.Contains(DeviceName))
{
StatusMessage = "Found " + name;
BluetoothLEHardwareInterface.StopScan();
// found a device with the name we want
// this example does not deal with finding more than one
_deviceAddress = address;
SetState(States.Connect, 0.5f);
}
}
}, (address, name, rssi, bytes) =>
{
// use this one if the device responses with manufacturer specific data and the rssi
if (name.Contains(DeviceName))
{
StatusMessage = "Found " + name;
if (_rssiOnly)
{
_rssi = rssi;
}
else
{
BluetoothLEHardwareInterface.StopScan();
// found a device with the name we want
// this example does not deal with finding more than one
_deviceAddress = address;
SetState(States.Connect, 0.5f);
}
}
}, _rssiOnly); // this last setting allows RFduino to send RSSI without having manufacturer data
if (_rssiOnly)
{
SetState(States.ScanRSSI, 0.5f);
}
break;
case States.ScanRSSI:
break;
case States.Connect:
StatusMessage = "Connecting...";
// set these flags
_foundButtonUUID = false;
_foundLedUUID = false;
// note that the first parameter is the address, not the name. I have not fixed this because
// of backwards compatiblity.
// also note that I am note using the first 2 callbacks. If you are not looking for specific characteristics you can use one of
// the first 2, but keep in mind that the device will enumerate everything and so you will want to have a timeout
// large enough that it will be finished enumerating before you try to subscribe or do any other operations.
BluetoothLEHardwareInterface.ConnectToPeripheral(_deviceAddress, null, null, (address, serviceUUID, characteristicUUID) =>
{
StatusMessage = "Connected...";
if (IsEqual(serviceUUID, ServiceUUID))
{
StatusMessage = "Found Service UUID";
_foundButtonUUID = _foundButtonUUID || IsEqual(characteristicUUID, ButtonUUID);
_foundLedUUID = _foundLedUUID || IsEqual(characteristicUUID, LedUUID);
// if we have found both characteristics that we are waiting for
// set the state. make sure there is enough timeout that if the
// device is still enumerating other characteristics it finishes
// before we try to subscribe
if (_foundButtonUUID && _foundLedUUID)
{
_connected = true;
SetState(States.Subscribe, 2f);
}
}
});
break;
case States.Subscribe:
StatusMessage = "Subscribing to characteristics...";
BluetoothLEHardwareInterface.SubscribeCharacteristicWithDeviceAddress(_deviceAddress, ServiceUUID, ButtonUUID, (notifyAddress, notifyCharacteristic) =>
{
StatusMessage = "Waiting for user action (1)...";
_state = States.None;
// read the initial state of the button
BluetoothLEHardwareInterface.ReadCharacteristic(_deviceAddress, ServiceUUID, ButtonUUID, (characteristic, bytes) =>
{
ProcessButton(bytes);
});
}, (address, characteristicUUID, bytes) =>
{
if (_state != States.None)
{
// some devices do not properly send the notification state change which calls
// the lambda just above this one so in those cases we don't have a great way to
// set the state other than waiting until we actually got some data back.
// The esp32 sends the notification above, but if yuor device doesn't you would have
// to send data like pressing the button on the esp32 as the sketch for this demo
// would then send data to trigger this.
StatusMessage = "Waiting for user action (2)...";
_state = States.None;
}
// we received some data from the device
ProcessButton(bytes);
});
break;
case States.Unsubscribe:
BluetoothLEHardwareInterface.UnSubscribeCharacteristic(_deviceAddress, ServiceUUID, ButtonUUID, null);
SetState(States.Disconnect, 4f);
break;
case States.Disconnect:
StatusMessage = "Commanded disconnect.";
if (_connected)
{
BluetoothLEHardwareInterface.DisconnectPeripheral(_deviceAddress, (address) =>
{
StatusMessage = "Device disconnected";
BluetoothLEHardwareInterface.DeInitialize(() =>
{
_connected = false;
_state = States.None;
});
});
}
else
{
BluetoothLEHardwareInterface.DeInitialize(() =>
{
_state = States.None;
});
}
break;
}
}
}
}
