Hi Dave, I haven't tried to run CB in a command line app, but one little note: make sure you don't use WiFi while connected. WiFi and BLE interfere severely on my Mac Mini. I guess it's similar on the MacBook. Do you want to connect to an i* device or a proprietary one? i* devices change their BLE addresses every few minutes. If you don't use secure connection, then I think they can get out of sync. This is probably the reason why you need to do a scan. Command line or Cocoa should not make any difference IMHO. Andras On 2013.04.04., at 22:40, dave-ble@greylogic.com wrote:

Hi,

I'm trying to write a simple command line app that uses CoreBluetooth on an BLE capable mac book (OSX v10.8.3).

If I use the retrievePeripherals I get the delegate didRetrievePeripherals to fire. If I then try to connect to the found peripheral, the didConnectPeripheral delegate never fires.

However, if I scan for peripherals and get the delegate didDiscoverPeripheral to fire. I can then connect and connect succeeds. However, once I'm connected and have my characteristics, the data I receive from my peripheral is not reliably received.

Using similar code in a GUI application works perfect.

Has anyone else been successful running the CoreBluetooth stack from within a command line app?

In my main I essentially create a dispatch_queue and let it run my operations via dispatch_async. Meanwhile, I let main just call dispatch_main().

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