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Linux 無法識別藍牙適配器解決辦法

  藍牙適配器(USB):勝為 UDC-321

  Linux 2.6.29

  首先查看USB是否識別: 

 #lsusb

  Bus 005 Device 004: ID 0402:5602 ALi Corp. Video Camera Controller

  Bus 005 Device 003: ID 05e3:0718 Genesys Logic, Inc.

  Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  Bus 001 Device 015: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

  Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

  Bus 002 Device 002: ID 046d:c062 Logitech, Inc.

  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

  Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

  Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

  說明USB正確識別。

  查看系統的藍牙設備:

  #hciconfig -a

  該命令沒輸出。

  注:hciconfig 等命令屬於 bluez-utils,Debian 系統可以使用 apt-get install bluez-utils 安裝

  查看系統設備: 

 cat /proc/bus/usb/devices | more

  lhvictor:/home/lh/usr-level-dsmip/lightdsmip# cat /proc/bus/usb/devices | more.

  ...

  T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2

  B: Alloc= 13/900 us ( 1%), #Int= 1, #Iso= 0

  D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1

  P: Vendor=1d6b ProdID=0001 Rev= 2.06

  S: Manufacturer=Linux 2.6.29 uhci_hcd

  S: Product=UHCI Host Controller

  S: SerialNumber=0000:00:1d.1

  C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA

  I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub

  E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms

  T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 15 Spd=12 MxCh= 0

  D: Ver= 1.10 Cls=e0(unk. ) Sub=01 Prot=01 MxPS=16 #Cfgs= 1

  P: Vendor=0a12 ProdID=0001 Rev= 1.34

  C:* #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=100mA

  I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(unk. ) Sub=01 Prot=01 Driver=(none)

  E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms

  E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms

  E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms

  I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=(none)

  E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms

  E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms

  I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01 Driver=(none)

  E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms

  E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms

  I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(unk. ) Sub=01 Prot=01Driver=(none)

  E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms

  E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms

  可以看到,原因是沒有找到相應的驅動。經查,是因為linux 2.6.29沒有hci_usb驅動所致。

  解決辦法,從2.6.27版本及以前的版本中,獲取  

/drivers/bluetooth/hci_usb.c and hci_usb.h

  /drivers/bluetooth/hci_usb.c and hci_usb.c

 

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