Hi Rafal, On Sun, Jul 7, 2019 at 2:53 PM Rafał Miłecki <zajec5@xxxxxxxxx> wrote: > > Hi, > > I have 2 notebooks with Bluetooth running bluez 5.30. I called them: > 1) "elitebook" with controller 20:16:B9:D8:A9:3B > 2) "matebook" with controller 38:BA:F8:3F:7C:A7 > > Normally, when I check elitebook from matebook I get this: > > [elitebook]# info 20:16:B9:D8:A9:3B > Device 20:16:B9:D8:A9:3B (public) > Name: elitebook > Alias: elitebook > Class: 0x001c010c > Icon: computer > Paired: yes > Trusted: yes > Blocked: no > Connected: yes > LegacyPairing: no > UUID: IrMC Sync (00001104-0000-1000-8000-00805f9b34fb) > UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb) > UUID: OBEX File Transfer (00001106-0000-1000-8000-00805f9b34fb) > UUID: Headset (00001108-0000-1000-8000-00805f9b34fb) > UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb) > UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb) > UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb) > UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb) > UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb) > UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb) > UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb) > UUID: Message Notification Se.. (00001133-0000-1000-8000-00805f9b34fb) > UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb) > UUID: Vendor specific (00005005-0000-1000-8000-0002ee000001) > Modalias: usb:v1D6Bp0246d0532 > > I decided to test GATT. On elitebook I started: > ./test/example-gatt-server > and waited to let matebook refresh all info. > > After that I got: > > [elitebook]# info 20:16:B9:D8:A9:3B > Device 20:16:B9:D8:A9:3B (public) > Name: elitebook > Alias: elitebook > Class: 0x001c010c > Icon: computer > Paired: yes > Trusted: yes > Blocked: no > Connected: yes > LegacyPairing: no > UUID: IrMC Sync (00001104-0000-1000-8000-00805f9b34fb) > UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb) > UUID: OBEX File Transfer (00001106-0000-1000-8000-00805f9b34fb) > UUID: Headset (00001108-0000-1000-8000-00805f9b34fb) > UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb) > UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb) > UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb) > UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb) > UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb) > UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb) > UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb) > UUID: Message Notification Se.. (00001133-0000-1000-8000-00805f9b34fb) > UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb) > UUID: Heart Rate (0000180d-0000-1000-8000-00805f9b34fb) > UUID: Battery Service (0000180f-0000-1000-8000-00805f9b34fb) > UUID: Vendor specific (00005005-0000-1000-8000-0002ee000001) > UUID: Vendor specific (12345678-1234-5678-1234-56789abcdef0) > Modalias: usb:v1D6Bp0246d0532 > > That seems all correct for now. Test example-gatt-server registers > Heart Rate, Battery & Test services. All of them appeared as expected. > > My problem is that I can't list GATT attributes. I don't any output. > Is there anything I'm doing incorrectly? > > [elitebook]# menu gatt > Menu gatt: > Available commands: > ------------------- > list-attributes [dev] List attributes > select-attribute <attribute/UUID> Select attribute > attribute-info [attribute/UUID] Select attribute > read [offset] Read attribute value > write <data=xx xx ...> [offset] Write attribute value > acquire-write Acquire Write file descriptor > release-write Release Write file descriptor > acquire-notify Acquire Notify file descriptor > release-notify Release Notify file descriptor > notify <on/off> Notify attribute value > register-application [UUID ...] Register profile to connect > unregister-application Unregister profile > register-service <UUID> Register application service. > unregister-service <UUID/object> Unregister application service > register-includes <UUID> Register as Included service in. > unregister-includes <Service-UUID><Inc-UUID> Unregister Included service. > register-characteristic <UUID> <Flags=read,write,notify...> Register application characteristic > unregister-characteristic <UUID/object> Unregister application characteristic > register-descriptor <UUID> <Flags=read,write...> Register application descriptor > unregister-descriptor <UUID/object> Unregister application descriptor > back Return to main menu > version Display version > quit Quit program > exit Quit program > help Display help about this program > export Print evironment variables > [elitebook]# list-attributes > [elitebook]# list-attributes 20:16:B9:D8:A9:3B I guess what you are looking for is list-attributes local though that only works for service register by bluetoothctl itself not by other applications, those objects are normally accessible to bluetoothd only and we don't expose objects from other application. -- Luiz Augusto von Dentz
