Hi, On Wednesday, 17 July 2019 11:38:21 CEST Rafał Miłecki wrote: > On 09.07.2019 14:14, Rafał Miłecki wrote: > > On 07.07.2019 12:14, Rafał Miłecki wrote: > >> 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? > > > > I decided to test nRF Connect Android app. It showed something > > interesting about my bluetooth devices. It nicely displays & parses > > advertising data. > > > > Logitech M590 advertises: > > 0x01 Flags > > 0x03 Complete List of 16-bit Service Class UUIDs > > 0x09 Complete Local Name > > 0x0A Tx Power Level > > 0x19 Appearance > > > > BlueZ on "elitebook" advertises: > > 0xFF Manufacturer Specific Data > > or to say precisely: > > 0x1BFF750042040180AE78BDBC0B7E307ABDBC0B7E2F01000000000000 > > > > Any idea/hint why BlueZ 5.30 on my "elitebook" notebook doesn't > > advertise more data? > > I've discovered I also need to run test/example-advertisement. Then I > can see my notebook advertise UUIDs and characteristics. It seems that > test/example-gatt-server is insufficient on its own. Yeap, gatt-server is only for GATT. And advertisement has spearate API as those are not necesserily used together. -- pozdrawiam Szymon Janc