我的蓝牙适配器在 Ubuntu 中不起作用。
$ lsusb | grep tooth
Bus 002 Device 003: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
$ hciconfig
hci0: Type: Primary Bus: USB
BD Address: 33:03:30:09:74:B4 ACL MTU: 360:4 SCO MTU: 0:0
DOWN
RX bytes:1106 acl:0 sco:0 events:56 errors:0
TX bytes:736 acl:0 sco:0 commands:60 errors:0
$ sudo hciconfig hci0 up
Can't init device hci0: Operation not supported (95)
$ bluetoothctl
Agent registered
[bluetooth]# power on
No default controller available
$ hcitool dev
Devices:
$ …