hciconfig -a
hci0: Type: Primary Bus: USB
BD Address: 38:01:46:17:56:59 ACL MTU: 1021:8 SCO MTU: 255:16
UP RUNNING PSCAN ISCAN
RX bytes:1578 acl:0 sco:0 events:133 errors:0
TX bytes:23592 acl:0 sco:0 commands:129 errors:0
Features: 0xff 0xfb 0xff 0xfa 0xdb 0xbd 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'RTK_BT_4.0'
Class: 0x000000
Service Classes: Unspecified
Device Class: Miscellaneous,
HCI Version: 4.0 (0x6) Revision: 0x1e6c
LMP Version: 4.0 (0x6) Subversion: 0xa747
Manufacturer: Realtek Semiconductor Corporation (93)

bluetoothctl

Agent registered
[bluetooth]# scan on
No default controller available
[bluetooth]#
蓝牙管理一直都获取不到蓝牙适配器。。。
有大佬知道是怎么回事吗？？？:lol: