I am trying connect Ubuntu pc with device. While command entered, it returns various error including rfcomm connect address already in use 、 host is down 、 rfcomm connect now in progress.
Device environment and procedure as below
Device environment
- Linux 3.4
- Bluez 5.19
- bt addr xx:xx:xx:xx:38:A4
PC environment
- Ubuntu 14.04
- bluez 4
- bt addr xx:xx:xx:xx:CF:F0
steps
device
- insmod rfcomm.ko rtk_btusb.ko
- dbus-daemon --config-file=/etc/dbus-1/system.conf
- bluetoothd -C &
- hciconfig hci0 up
- hciconfig hci0 piscan
- sdptool add SP
- bluetoothctl scan on
- bluetoothctl agent on
- bluetoothctl default-agent
- bluetoothctl trust xx:xx:xx:xx:CF:F0
- bluetoothctl pair xx:xx:xx:xx:CF:F0
- rfcomm bind 0 xx:xx:xx:xx:CF:F0 1
- chmod 666 /dev/rfcomm0
- rfcomm connect 0 xx:xx:xx:xx:CF:F0 1
PC
- sdptool add SP
- rfcomm bind 0 xx:xx:xx:xx:38:A4 1
- chmod 666 /dev/rfcomm0
- rfcomm watch 0 1
Device show Can't connect RFCOMM socket: Host is down
hciconfig -a output
hci0: Type: BR/EDR Bus: USB
BD Address: 5C:F3:70:1B:38:A4 ACL MTU: 820:8 SCO MTU: 255:16
UP RUNNING PSCAN ISCAN
RX bytes:6888 acl:88 sco:0 events:230 errors:0
TX bytes:4341 acl:84 sco:0 commands:87 errors:0
Features: 0xff 0xff 0xff 0xfe 0xdb 0xff 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'BlueZ 5.19'
Class: 0x000000
Service Classes: Unspecified
Device Class: Miscellaneous,
HCI Version: 4.0 (0x6) Revision: 0xe2f
LMP Version: 4.0 (0x6) Subversion: 0x9f73
Manufacturer: Realtek Semiconductor Corporation (93)
Is any step missed in my procedure?
