From: Szymon Janc <szymon.janc@codecoup.pl>
To: "Rafał Miłecki" <zajec5@gmail.com>
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: bluetoothctl: list-attributes doesn't list services from example-gatt-server
Date: Wed, 17 Jul 2019 11:44:51 +0200 [thread overview]
Message-ID: <1815601.YRP3FTkMZ6@ix> (raw)
In-Reply-To: <84f01445-74e2-5632-225a-02c369c53c07@gmail.com>
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
prev parent reply other threads:[~2019-07-17 9:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-07 10:14 bluetoothctl: list-attributes doesn't list services from example-gatt-server Rafał Miłecki
2019-07-08 13:19 ` Luiz Augusto von Dentz
2019-07-08 13:40 ` Rafał Miłecki
2019-07-09 12:14 ` Rafał Miłecki
2019-07-17 9:26 ` Szymon Janc
2019-07-17 9:35 ` Rafał Miłecki
2019-07-17 9:38 ` Rafał Miłecki
2019-07-17 9:44 ` Szymon Janc [this message]
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