查看“How to scan for Bluetooth devices”的源代码


=获取蓝牙设备名称=
:开发板终端下执行如下命令，查看当前板子都有哪些蓝牙设备。
 [root@imx6ull:~]# hciconfig  -a
 hci0:   Type: Primary  Bus: USB
        BD Address: 38:01:46:1E:C1:2B  ACL MTU: 1021:8  SCO MTU: 255:16
        UP RUNNING
        RX bytes:4161 acl:0 sco:0 events:231 errors:0
        TX bytes:23894 acl:0 sco:0 commands:156 errors:0
        Features: 0xff 0xfb 0xff 0xfe 0xdb 0xfd 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)
=启用蓝牙设备=
:开发板终端下执行如下命令，即可启用蓝牙设备。
 [root@imx6ull:~]# hciconfig  hci0 up
=扫描蓝牙设备=
:开发板终端下执行如下命令，扫描周围都有哪些普通蓝牙设备。
 [root@imx6ull:~]# hcitool scan
 Scanning ...
        F4:60:E2:94:A8:ED       hceng