power on
- hciconfig [장치이름] up : hciconfig hci0 up
scan devices
Browse all available services on the device specified by a Bluetooth address as a parameter.
- sdptool browse bdaddr : sdptool browse D0:57:85:C1:5E:D6
Retrieve all possible service records.
- sdptool records bdaddr : sdptool records D0:57:85:C1:5E:D6
--------------------------------------------------------------------------------------------------------------------------------------------------
Install bluez
mkdir Bluez
cd BlueZ
git clone git://git.kernel.org/pub/scm/bluetooth/bluez.git
mv bluez bluez-5.28
sudo apt-get install libudev-dev libpcre3-dev libtool libglib2.0-dev libdbus-1-dev elfutils libelf-dev libdw-dev libical-dev libsbc-dev libspeexdsp-dev libreadline6 libreadline6-dev automake
edit ./bootstrap-configure : add --enable-library \
add --disable-systemd \
delete --enable-android \
./bootstrap-configure
make
sudo make install
GATT 용 rpi
GATT 제외한 나머지 profile 용 rpi
git checkout ad410057b17933339774fa7e4a12bfc87bfd545d
bluez configuration 수정
/etc/bluetooth/main.conf 수정
- DiscoverableTimeout = 0 주석해제
- PairableTimeout = 0 주석해제
- Class = 0x000100 주석해제
bluetoothd 실행
sudo /usr/libexec/bluetooth/bluetoothd -n -d
SSP mode enable
sungmokshin@sungmokshin-desktop2:~/bt_automation/automation-tests$ hciconfig hci0 sspmode
hci0: Type: BR/EDR Bus: USB
BD Address: 00:49:00:C0:20:00 ACL MTU: 1021:8 SCO MTU: 64:1
Simple Pairing mode: Disabled
sungmokshin@sungmokshin-desktop2:~/bt_automation/automation-tests$ sudo hciconfig hci0 sspmode 1
[sudo] password for sungmokshin:
sungmokshin@sungmokshin-desktop2:~/bt_automation/automation-tests$ hciconfig hci0 sspmode
hci0: Type: BR/EDR Bus: USB
BD Address: 00:49:00:C0:20:00 ACL MTU: 1021:8 SCO MTU: 64:1
Simple Pairing mode: Enabled
sungmokshin@sungmokshin-desktop2:~/bt_automation/automation-tests$
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export DISPLAY=:0
SPP
SPP-loopback.py를 /home/sungmokshin/BlueZ/bluez-5.28/test로 복사
chmod 755 SPP-loopback.py
현재 rpi에서 rfcomm device node release 시 kernel panic 문제 있음
Can't create RFCOMM TTY: Address already in use
재부팅 하지 않는 이상 rfcomm 접속 불가
laptop에서는 kernel panic 빈도가 rpi보다 적음 (rpi는 2번 rfcomm 접속 시 대부분 kernel panic)
[ 1076.910112] Bluetooth: TIOCGSERIAL is not supported
[ 1089.034997] Bluetooth: TIOCGSERIAL is not supported
[ 1089.037061] Bluetooth: TIOCGSERIAL is not supported
[ 1089.037689] ------------[ cut here ]------------
[ 1089.037739] WARNING: CPU: 1 PID: 1507 at drivers/tty/tty_port.c:143 tty_port_destructor+0x84/0x88()
[ 1089.037756] Modules linked in: rfcomm fuse bnep btusb btrtl btintel btbcm bluetooth joydev rfkill evdev bcm2835_wdt bcm2835_gpiomem uio_pdrv_genirq uio snd_bcm2835 snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_seq_device snd_timer snd ipv6
[ 1089.037945] CPU: 1 PID: 1507 Comm: kworker/1:0 Not tainted 4.4.11-v7+ #888
[ 1089.037958] Hardware name: BCM2709
[ 1089.037986] Workqueue: events release_one_tty
[ 1089.038056] [<80018724>] (unwind_backtrace) from [<80014058>] (show_stack+0x20/0x24)
[ 1089.038092] [<80014058>] (show_stack) from [<803205a4>] (dump_stack+0xd4/0x118)
[ 1089.038134] [<803205a4>] (dump_stack) from [<80025300>] (warn_slowpath_common+0x98/0xc8)
[ 1089.038170] [<80025300>] (warn_slowpath_common) from [<800253ec>] (warn_slowpath_null+0x2c/0x34)
[ 1089.038209] [<800253ec>] (warn_slowpath_null) from [<803794d4>] (tty_port_destructor+0x84/0x88)
[ 1089.038273] [<803794d4>] (tty_port_destructor) from [<80379524>] (tty_port_put+0x4c/0x50)
[ 1089.038363] [<80379524>] (tty_port_put) from [<7f1e4010>] (rfcomm_tty_cleanup+0x5c/0x60 [rfcomm])
[ 1089.038464] [<7f1e4010>] (rfcomm_tty_cleanup [rfcomm]) from [<8036f3e4>] (release_one_tty+0x3c/0xb4)
[ 1089.038522] [<8036f3e4>] (release_one_tty) from [<8003c634>] (process_one_work+0x154/0x458)
[ 1089.038573] [<8003c634>] (process_one_work) from [<8003c98c>] (worker_thread+0x54/0x500)
[ 1089.038604] [<8003c98c>] (worker_thread) from [<80042668>] (kthread+0xec/0x104)
[ 1089.038638] [<80042668>] (kthread) from [<8000fbc8>] (ret_from_fork+0x14/0x2c)
[ 1089.038659] ---[ end trace 2c2c2e5cebcc4d2c ]---
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PAN
bt-pan을 /home/sungmokshin/BlueZ/bluez-5.28/test로 복사
chmod 755 bt-pan
