ios-bluetooth

I'm capturing audio from external bluetooth microphone. But I can't record anything. This method is only called one time, at the beginning of the current AvCaptureSession. - (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection After that I never get called this method for process the audio. For instantiate the capture session I do this: self.captureSession.usesApplicationAudioSession = true; self.captureSession.automaticallyConfiguresApplicationAudioSession = true; [[AVAudioSession

With a normal Characteristics Read only the MTU Size (20bytes) of data will be read. My customer will offer a characteristics with a larger size (about 100bytes). I saw that BLE offers a "Long Read" feature which reads until the size of the characteristics is reached. ( https://bluegiga.zendesk.com/entries/25053373--REFERENCE-BLE-master-slave-GATT-client-server-and-data-RX-TX-basics ) attclient_read_long command - Starts a procedure where the client first sends normal read request to the server, and if the server returns an attribute value with a length equal to the BLE MTU (22 bytes), then

First things first: running OSX 10.10.4, iOS 4, Xcode 6.3.2, iPhone 6, Swift Short story: I have a certain Bluetooth LE device here from which I want to receive notifications when values of a Characteristic change, e.g. by user input. Trying to subscribe to it does not succeed, but rather yields an error Error Domain=CBATTErrorDomain Code=10 "The attribute could not be found." Long story: So, I have a BluetoothManager class in which I start scanning for Peripherals as soon as my $CBCentralManager.state is .PoweredOn . That's easy, I'm even a good citizen and scan specifically for those with

I initialize the CBCenteralManager in viewdidload on main queue. First time update state method is called and start scanning for bluetooth devices but didDiscoverPeripheral: delegate method never get called. Code is : - (void)viewDidLoad { [super viewDidLoad]; self.CM = [[CBCentralManager alloc]initWithDelegate:self queue:nil]; } -(void)centralManagerDidUpdateState:(CBCentralManager *)central{ if (central.state == CBCentralManagerStatePoweredOn) { [self.CM scanForPeripheralsWithServices:nil options:nil]; } } - (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral(CBPeripheral*