Linux 蓝牙系列(3) 蓝牙传输文件测试

Andrew Huang

 

蓝牙文件传送协议

  标准是采用OPP协议(应该Obex文件传输相关协议，手机界面很多用这个术语），另外还支持FTP传输，但这个需要额外软件支持。一般是ObexFtp的移植版本，在多个手机平台都要关版本

 

蓝牙设备调试注意：

  优先采用IVT支持那种蓝牙棒，这样可以先WINDOWS下的IVT BlueSoleil 软件来测试整体硬件环境或被测设备的正常。这个软件本身是没有问题。

 

  另外，很多手机可能支持只发不收。或者只支持VCARD类信息接收，因此最好先测试好后。再在LINUX进行测试.

 

   Linux最容易移植是OpenObex这个一开源的库，其中带有一个obex_test用于收发文件测试，它依赖非常库非常之少，只需要与sdptool/hcitool配合即可进行文件收发测试，我们在后面使用它进行测试文件收发。

 

   还有一个另一个简单的开源的ObexServer,它只使用bluez和openObex库。

 

 

 测试环境采用

M8手机

	1780.0元

 

 

蓝牙棒

	12.0元

 

 

 

 

一相关软件编译

--------------------------

 

1.蓝牙库的移植

 

  首先要移植蓝牙库

解压

./configure

make

make install

即可

它将在/usr/local/lib 生成 libbluetooth.so

 

2.openobex的移植

 

下载

解压

  ./configure CFLAGS="-DOBEX_DEBUG=4 -DOBEX_DUMP=2" --enable-apps  --enable-bluetooth  BLUETOOTH_CFLAGS="-I/usr/local/lib" BLUETOOTH_LIBS="-L/usr/local/lib -lbluetooth"

#--enable-apps  是要生obex_test这个应用工具。

#CFLAGS="-DOBEX_DEBUG=4 -DOBEX_DUMP=2" 增加调试信息,如果觉得信息太多可以去掉这个选项。

编译 make

安装make install

这样会生成libopenobex和obex_打头一系列测试工具.

用which obex_test应该能看到在/usr/local/bin下面.

 

3.使用obexsend脚本

   obex_test使用有一定麻烦性，所有有人开发了obex-send.sh来简单发送操作

   下载 :

 拷贝文件到/usr/local/bin下

   cp obexsend.sh  /usr/local/bin

二.向手机发送文件

-------------------------------------

  关于用openObex收发文件过程参见.

 

 1.联接蓝牙设备

      hciconfig hci0 up

      hcitool scan  

      hcitool cc

2.查找 蓝牙网络支持obex文件接收的设备

    接收服务采用FTRN,而发送服务是OPUSH.这样手机支持FTRN服务，而LINUX支持OPUSH服务.
    在本地增加所有服务

        sdptool add --channel=1 DID SP DUN LAN FAX OPUSH FTP HS HF SAP NAP GN PANU HID CIP CTP A2SRC A2SNK SYNCML NOKID PCSUITE SR1

 

      这里RHEL版的sdptool 搜索有一个奇怪的特性。直接用class名字（OPUSH/FTRN）是无法查找网络任何服务.必得用它的代号。其中OPUSH是 0x1105,FTP是0x1106

     sdptool search 0x1106 #sdptool search FTRN

扫描到我的M8手机

[root@huisen apps]# sdptool search 0x1106
Class 0x1106
Inquiring ...
Searching for 0x1106 on 00:21:19:A4:E0:F1 ...
Service Name: FTP
Service RecHandle: 0x10007
Service Class ID List:
  "OBEX File Transfer" (0x1106)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 1
  "OBEX" (0x0008)
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "OBEX File Transfer" (0x1106)
    Version: 0x0100

 

上述命令查找到 00:21:19:A4:E0:F1 ，它在channel 1支持FTP服务

扫描到我的乐Phone手机

 

[root@huisen apps]# sdptool search 0x1106
Class 0x1106
Inquiring ...
Searching for 0x1106 on 00:0B:6B:F1:3B:1B ...
Service Name: File Transfer
Service Description: OBEX File Transfer Protocol
Service RecHandle: 0x10002
Service Class ID List:
  "OBEX File Transfer" (0x1106)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 7
  "OBEX" (0x0008)

 

3.用obex_test 联接手机发送文件

         注意它是采用rfcomm来传输文件的，因此rfcomm的配置必须要正确.

  rfcomm bind /dev/rfcomm0 <远端地址> <远端通道>

  rfcomm bind /dev/rfcomm0 00:0B:6B:F1:3B:1B  7

   obex_test -b <远端接收手机> <远端channel>

      其中-b表示采用蓝牙，否则默认是红外线,通道是7

         obex_test -b 00:0B:6B:F1:3B:1B 7

      

4.查看远程目录列表

   

 obexftp -b  00:0B:6B:F1:3B:1B -B 7 --list
Connecting..\done
Tried to connect for 717ms
Receiving "(null)"...|


























done
Disconnecting../done

5.用obexftp发送文件

    obexftp发送文件，要求对方一直可见。

 obexftp -b  00:0B:6B:F1:3B:1B -B 7 -c apk -p /home/huisen/ks.jpg
Connecting..\done
Tried to connect for 719ms
Sending "apk"...|done
Sending "/home/huisen/ks.jpg"...|done
Disconnecting../done

   

  sdptool search 0x1105 #查找OPUSH服务

sdptool search 0x1105
Class 0x1105
Inquiring ...
Searching for 0x1105 on 00:21:19:A4:E0:F1 ...
Service Name: OBEX Object Push
Service RecHandle: 0x10006
Service Class ID List:
  "OBEX Object Push" (0x1105)
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 1
  "OBEX" (0x0008)
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100
Profile Descriptor List:
  "OBEX Object Push" (0x1105)
    Version: 0x0100

[root@huisen apps]#

  然后用如下命令来发送

      obex_test -b 00:21:19:A4:E0:F1  9

  进入obex_test 控制台后用c命令来联接手机，注意手机这边要及时确认接收，否则因超时而失败

  

[root@huisen apps]# obex_test -b 00:21:19:A4:E0:F1  1
Using Bluetooth RFCOMM transport
OBEX Interactive test client/server.
> c
BtOBEX_TransportConnect():
btobex_connect_request():
obex_create_socket():
btobex_connect_request(): transport mtu=1024
obex_object_setrsp():
obex_object_setcmd(): 00
obex_insert_connectframe():
obex_object_addheader():
obex_object_addheader(): Fit one packet!
obex_object_addheader(): BS  header size 6
insert_byte_stream_header():
OBEX_Request():
obex_client():
obex_client(): STATE_START
obex_object_send():
obex_object_send(): Adding 4 bytes of non-headerdata
obex_object_send(): 4
obex_object_send(): Adding non-body header
obex_object_send(): Sending package with opcode 128
obex_data_request(): len = 16 bytes
obex_transport_write():
do_write(): sending 16 bytes
Made some progress...
OBEX_HandleInput():
obex_transport_handle_input():
obex_transport_handle_input(): Data available on client socket
obex_data_indication():
obex_transport_read(): Request to read max 3 bytes
obex_data_indication(): Got 3 bytes
obex_transport_read(): Request to read max 9 bytes
obex_data_indication(): Got 9 bytes msg len=12
Rx: A0 00 0C 10 00 04 00 CB 00 00 00 05
obex_client():
obex_client(): STATE_REC
obex_client(): We expect a connect-rsp
obex_parse_connect_header():
obex_parse_connect_header(): Len: 12
obex_parse_connect_header(): version=10
obex_parse_connect_header(): requested MTU=400, used MTU=400
obex_object_receive():
obex_object_receive(): Command has 4 bytes non-headerdata
obex_object_receive(): Header: cb
obex_object_receive(): Copying 4 bytes
obex_object_receive(): Pulling 5 bytes
obex_client(): Done! Rsp=20!
Server request finished!
server_done() Command (00) has now finished
obex_object_delete():
free_headerq():
free_headerq():
free_headerq():
OBEX_HandleInput():
obex_transport_handle_input():
Timeout waiting for data. Aborting

三.蓝牙扩展测试

----------------------------

ObexFTP移植

下载

生成Makefile

 ./configure --enable-bluetooth --disable-tcl   --disable-swig  --disable-perl --disable-python --disable-ruby BLUETOOTH_CFLAGS="-I/usr/local/lib" BLUETOOTH_LIBS="-L/usr/local/lib -lbluetooth" OPENOBEX_CFLAGS="-I/usr/local/include" OPENOBEX_LIBS="-L/usr/local/lib -lopenobex"

编译 make

安装 make install

它主要生成libobexftp和obexftp这个应用程序

 

Obexd的移植

 

 

三.与手机互相对传文件

--------------------------------------------------

 本实验将通过蓝牙与手机用obex互传文件。

  首先在Linux一侧执行上述动作。

 

即Linux请求手机进行蓝牙配对.

 

  我们首先采用命令行的OpenObex来做文件发送测试

 

官网：http://dev.zuckschwerdt.org/openobex

下载:

  

 

 

 

 

 

蓝牙耳机测试

蓝牙局域网

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