If you want to see the raw advertisement packets, run: 1st terminal: hcidump -R 2nd terminal: hcitool lescan The raw dump will contain the advertisement data. Adam On 28 Feb 2014, at 16:00, Benjamin Adler <benadler@xxxxxxx> wrote: > Hello bluez, > > as the subject notes, I'm trying to receive non-connectable undirected advertisements from a bluetooth low energy device, namely TI's SensorTag. Their SDK contains a sample app named SimpleBLEBroadcaster, that, supposedly, sends those advertisements including some data. There is an overview of TI's understanding of this mechanism for download at > > http://e2e.ti.com/support/low_power_rf/m/videos__files/653593/download.aspx > > Is it possible to receive/display the *data* (up to 31 bytes, I believe) that can be contained in those advertisements using bluez? I currently don't care whether it's a commandline tool, C-based API, python, DBUS, anything. > > When I start SimpleBLEBroadcaster, btmon alone doesn't show anything, but "hcitool lescan" says. > > LE Scan ... > 90:59:AF:0B:8A:7D (unknown) > > The complete output of a btmon during lescan is attached below. > > https://github.com/bmpm/bcast-observer-demos and a script named "test-bluetooth-observer" made me believe that there should be an org.bluez.Observer interface for this, which I couldn't find using qdbusviewer. > > I asked on #bluez before, but it seems noone knew. > > Thanks! > ben > > ################################################################### > > ####### start "btmon" > > Bluetooth monitor ver 5.14 > = New Index: 00:02:72:33:29:55 (BR/EDR,USB,hci0) [hci0] 0.377191 > > ####### start "hcitool lescan" in another shell > > < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 [hci0] 4.457403 > Type: Active (0x01) > Interval: 10.000 msec (0x0010) > Window: 10.000 msec (0x0010) > Own address type: Public (0x00) > Filter policy: Accept all advertisement (0x00) > > HCI Event: Command Complete (0x0e) plen 4 [hci0] 4.458949 > LE Set Scan Parameters (0x08|0x000b) ncmd 1 > Status: Success (0x00) > < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 4.459094 > Scanning: Enabled (0x01) > Filter duplicates: Enabled (0x01) > > HCI Event: Command Complete (0x0e) plen 4 [hci0] 4.459957 > LE Set Scan Enable (0x08|0x000c) ncmd 1 > Status: Success (0x00) > > ####### Power-on the SensorTag > > > HCI Event: LE Meta Event (0x3e) plen 20 [hci0] 9.481376 > LE Advertising Report (0x02) > Num reports: 1 > Event type: Non connectable undirected - ADV_NONCONN_IND (0x03) > Address type: Public (0x00) > Address: 90:59:AF:0B:8A:7D (Texas Instruments) > Data length: 8 > Flags: 0x04 > BR/EDR Not Supported > Company: not assigned (513) > Data: 03 > RSSI: -80 dBm (0xb0) > > ####### Quit hcitool > > < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 20.647504 > Scanning: Disabled (0x00) > Filter duplicates: Enabled (0x01) > > HCI Event: Command Complete (0x0e) plen 4 [hci0] 20.650124 > LE Set Scan Enable (0x08|0x000c) ncmd 1 > Status: Success (0x00) > > # > > -- > To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Adam Warski http://twitter.com/#!/adamwarski http://www.softwaremill.com http://www.warski.org -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
