KERNEL 启用蓝牙支持

[*] Networking support --->
         Bluetooth subsystem support --->
              [*]   Bluetooth Classic (BR/EDR) features
              <*>     RFCOMM protocol support
              [ ]       RFCOMM TTY support
              < >     BNEP protocol support
              [ ]       Multicast filter support
              [ ]       Protocol filter support
              <*>     HIDP protocol support
              [*]     Bluetooth High Speed (HS) features
              [*]   Bluetooth Low Energy (LE) features
                    Bluetooth device drivers --->
                       HCI USB driver
                       HCI UART driver
      <*>   RF switch subsystem support --->
    Device Drivers --->
          HID support --->
            <*>   User-space I/O driver support for HID subsystem

配置内核⽀持Bluetooth，

2.1 make menuconfig

[*] Networking support --->

<*> Bluetooth subsystem support ---> //蓝⽛⼦系统必须选择

<*> L2CAP protocol suppor //逻辑链路控制和适配协议。

<*> SCO links support //蓝⽛语⾳和⽿机⽀持

<*> RFCOMM protocol suppor //⾯向流的传输协议，⽀持拨号⽹络等

[*] RFCOMM TTY support //

<*> BNEP protocol support //蓝⽛⽹络封装协议，⾃组⽹⽀持

[*] Multicast filter support //蓝⽛多播，⽀持⽀持BNEP

[*] Protocol filter support //蓝⽛多播，⽀持⽀持⽀持BNEP

<*> HIDP protocol support //基本⽀持协议

Bluetooth device drivers --->

<*> HCI USB driver //USB蓝⽛模块⽀持

HCI UART driver //基于串⼝，CF卡或PCMCIA的蓝⽛

<*> HCI BlueFRITZ! USB driver

<*> HCI VHCI (Virtual HCI device) driver