Linux und Bluetooth

Achtung: Die folgenden Informationen sind unvollständig, möglicherweise falsch und eher durch Ausprobieren und Querlesen als durch systematische Recherche zusammengetragen.

Aufbau und Funktionsweise

Host Controller Interface

# hciconfig
hci0:   Type: USB
        BD Address: 00:09:DD:50:0A:E9 ACL MTU: 384:8 SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN
        RX bytes:5413 acl:40 sco:0 events:131 errors:0
        TX bytes:1337 acl:37 sco:0 commands:42 errors:0

hci1:   Type: USB
        BD Address: 00:11:09:E5:E8:EC ACL MTU: 192:8 SCO MTU: 64:8
        UP RUNNING PSCAN
        RX bytes:669 acl:0 sco:0 events:20 errors:0
        TX bytes:323 acl:0 sco:0 commands:19 errors:0

Geräte finden

# hcitool inq
Inquiring ...
        00:19:63:93:6D:72       clock offset: 0x05f9    class: 0x5a0204

Dienste finden

# sdptool browse 00:19:63:93:6D:72
Inquiring ...
Browsing 00:19:63:93:6D:72 ...
Service Description: Sony Ericsson K610
Service RecHandle: 0x10000
Service Class ID List:
  "PnP Information" (0x1200)

Service Name: OBEX SyncML Client
Service RecHandle: 0x10001
Service Class ID List:
  UUID 128: 00000002-0000-1000-8000-0002ee000002
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 1
  "OBEX" (0x0008)

Service Name: Dial-up Networking
Service RecHandle: 0x10002
Service Class ID List:
  "Dialup Networking" (0x1103)
  "Generic Networking" (0x1201)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 2
Profile Descriptor List:
  "Dialup Networking" (0x1103)
    Version: 0x0100

Service Name: Serial Port
Service RecHandle: 0x10003
Service Class ID List:
  "Serial Port" (0x1101)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 3

Service Name: PAN Network Access Point
Service Description: NAP provides access to internet for one connecting PANu
Service RecHandle: 0x10008
Service Class ID List:
  "Network Access Point" (0x1116)
Protocol Descriptor List:
  "L2CAP" (0x0100)
    PSM: 15
  "BNEP" (0x000f)
    Version: 0x0100
    SEQ8: 0 6 dd
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "Network Access Point" (0x1116)
    Version: 0x0100

Service Name: Hands-Free Gateway
Service RecHandle: 0x10009
Service Class ID List:
  "Handfree Audio Gateway" (0x111f)
  "Generic Audio" (0x1203)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 4
Profile Descriptor List:
  "Handsfree" (0x111e)
    Version: 0x0105

Service Name: Headset Gateway
Service RecHandle: 0x1000a
Service Class ID List:
  "Headset Audio Gateway" (0x1112)
  "Generic Audio" (0x1203)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 5
Profile Descriptor List:
  "Headset" (0x1108)
    Version: 0x0100

Service Name: OBEX Object Push
Service RecHandle: 0x1000b
Service Class ID List:
  "OBEX Object Push" (0x1105)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 6
  "OBEX" (0x0008)
Profile Descriptor List:
  "OBEX Object Push" (0x1105)
    Version: 0x0100

Service Name: OBEX File Transfer
Service RecHandle: 0x1000c
Service Class ID List:
  "OBEX File Transfer" (0x1106)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 7
  "OBEX" (0x0008)
Profile Descriptor List:
  "OBEX File Transfer" (0x1106)
    Version: 0x0100

Service Name: OBEX IrMC Sync Server
Service RecHandle: 0x1000d
Service Class ID List:
  "IrMC Sync" (0x1104)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 8
  "OBEX" (0x0008)
Profile Descriptor List:
  "IrMC Sync" (0x1104)
    Version: 0x0100

Service Name: HID Mouse & Keyboard
Service Description: Remote Control of PC applications and other devices
Service Provider: Sony Ericsson
Service RecHandle: 0x1000e
Service Class ID List:
  "Human Interface Device" (0x1124)
Protocol Descriptor List:
  "L2CAP" (0x0100)
    PSM: 17
  "HIDP" (0x0011)
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "Human Interface Device" (0x1124)
    Version: 0x0100

Service Name: OBEX Phonebook Server
Service RecHandle: 0x10010
Service Class ID List:
  "Phonebook Access - PSE" (0x112f)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 9
  "OBEX" (0x0008)
Profile Descriptor List:
  "Phonebook Access - PSE" (0x112f)
    Version: 0x0100

Protokoll-Stapel

• L2CAP: "Logical Link Control and Adaptation Protocol"
  • RFCOMM: serielle Übertragung
    • OBEX: Object Exchange
  • BNEP: Netzwerk
  • HIDP: Eingabegeräte

Unter Linux unterstützte Profile und Dienste

Eingabegeräte (HID)

Dateitransfer

FTP

OPUSH

Empfangen

sdptool add --channel=10 OPUSH
cd /tmp
obexpushd -B10

Senden

ussp-push 00:19:63:93:6D:72@6 /tmp/LocalFilename RemoteFilename

Audio (A2DP)

A2SRC

Linux als Audioquelle: http://wiki.bluez.org/wiki/HOWTO/AudioDevices

A2SNK

MaD 16:46, 20. Jun. 2007 (CEST)