Bluez

BlueZ接入蓝牙HCI

接入蓝牙：

# btattach -B /dev/ttyUSB2 -P h4 -S 921600

启动：

# hciconfig
hci1:   Type: Primary  Bus: UART
    BD Address: 8C:AA:B5:94:7F:9E  ACL MTU: 1021:9  SCO MTU: 255:4
    UP RUNNING
    RX bytes:755 acl:0 sco:0 events:47 errors:0
    TX bytes:1039 acl:0 sco:0 commands:47 errors:0

hci0:   Type: Primary  Bus: USB
    BD Address: D4:D2:52:5B:8A:D7  ACL MTU: 1021:4  SCO MTU: 96:6
    UP RUNNING
    RX bytes:3566 acl:0 sco:0 events:237 errors:0
    TX bytes:3609 acl:0 sco:0 commands:237 errors:0

# hciconfig hci1 up

测试：

# hcitool dev
Devices:
    hci1    8C:AA:B5:94:7F:9E
    hci0    D4:D2:52:5B:8A:D7
# hcitool -i hci1 lescan