蓝牙操作手册

查看

bluetoothctl devices              # 已配对设备
bluetoothctl show                 # 本机蓝牙信息
bluetoothctl info XX:XX:XX:XX:XX:XX  # 设备详情

操作

bluetoothctl                      # 进入交互式
  scan on                         # 扫描设备
  pair XX:XX:XX:XX:XX:XX          # 配对
  trust XX:XX:XX:XX:XX:XX         # 信任 (自动重连)
  connect XX:XX:XX:XX:XX:XX       # 连接
  disconnect XX:XX:XX:XX:XX:XX    # 断开
  remove XX:XX:XX:XX:XX:XX        # 删除设备

# 命令行一行操作
bluetoothctl connect XX:XX:XX:XX:XX:XX
bluetoothctl disconnect XX:XX:XX:XX:XX:XX
bluetoothctl power on / off

故障排查

systemctl status bluetooth
dmesg | grep -i bluetooth         # 固件加载错误
rfkill list                        # 是否被软/硬 block
rfkill unblock bluetooth