11. User Guide to the RUBIK Pi 3 Bluetooth Tool – rubikpi_btapp

11.1 Enable Bluetooth and pair devices

Run rubikpi_btapp.

rubikpi_btapp

The main menu is output as follows. The main menu shows the rubikpi-btapp functional modules. Type a number to go to the menu of the corresponding function (0: Exit the program, 99: Print help information, 1: Return to the previous level).

BSA_trace 1@ 01/01 00h:31m:18s:746ms: BSA_MgtOpenInit
BSA_trace 2@ 01/01 00h:31m:18s:746ms: BSA_MgtOpen (/usr/src/rubikpi-btapp/)
Created thread with thread_id=  8119f120
BSA_trace 3@ 01/01 00h:31m:18s:746ms: bsa_cl_mgt_init
BSA_trace 4@ 01/01 00h:31m:18s:746ms: UIPC_Init
BSA_trace 5@ 01/01 00h:31m:18s:746ms: UIPC_Open ChId:3
 
*****************Main Menu menu*******************
         1 ==>main
         2 ==>manager
         3 ==>opp
         4 ==>a2dp
         5 ==>pan
         6 ==>pbap
         7 ==>sap
         8 ==>hfp ag
         9 ==>hfp client
         10 ==>hfp sw
         11 ==>av
         12 ==>data gw
         13 ==>fm
         14 ==>ftp
         15 ==>hid dev
         16 ==>hid host
         17 ==>headless
         18 ==>health
         19 ==>map
         20 ==>nsa
         21 ==>ctn
         22 ==>3d
         23 ==>test
         24 ==>vsc
         25 ==>ble
         26 ==>ble_ancs
         27 ==>ble_cscc
         28 ==>ble_blp
         29 ==>ble_eddystone
         30 ==>ble_hrc
         31 ==>ble_htp
         32 ==>ble_pm
         33 ==>ble_rscc
         34 ==>ble_tvselect
         35 ==>ble_wifi
         99 ==>help
         0 ==>quit
 ****************************************************
Select action => 

Type "2" to go to the manager menu, which contains basic Bluetooth pairing and connection functions. The manager menu is as follows:

Select action => 2
 
*****************manager menu*******************
         1 ==>main_menu
         99 ==>help_menu
         0 ==>quit
 ****************************************************
Bluetooth Application Manager menu:
        2 => Init
        3 => Abort Discovery
        4 => Discovery
        5 => Discovery test
        6 => Bonding
        7 => Cancel Bonding
        8 => Remove device from security database
        9 => Services Discovery (all services)
        10 => Device Id Discovery
        11 => Set local Device Id
        12 => Get local Device Id
        13 => Stop Bluetooth
        14 => Restart Bluetooth
        15 => Accept Simple Pairing
        16 => Refuse Simple Pairing
        17 => Enter BLE Passkey
        18 => Act As HID Keyboard (SP passkey entry)
        19 => Read Device configuration
        20 => Read Local Out Of Band data
        21 => Enter remote Out Of Band data
        22 => Set device visibility
        23 => Set device BLE visibility
        24 => Set AFH Configuration
        25 => Set Tx Power Class2 (specific FW needed)
        26 => Set Tx Power Class1.5 (specific FW needed)
        27 => Change Dual Stack Mode (currently:DUAL_STACK_MODE_BSA)
        28 => Set Link Policy
        29 => Enter Passkey
        30 => Get Remote Device Name
        31 => RSSI Measurement
        32 => Tx Power Measurement
        33 => Set class of device
        96 => Kill BSA server
        97 => Connect to BSA server
        98 => Disconnect from BSA server
        0 => Exit
Select action => 

Initialize the manager.

note

Other menus' communication is based on the socket established in the manager. Therefore, initialize the manager before performing operations in other menus.

Type "2" to initialize the manager:

Select action => 2
DEBUG: app_mgr_read_config: Enable:1
DEBUG: app_mgr_read_config: Discoverable:1
DEBUG: app_mgr_read_config: Connectable:1
DEBUG: app_mgr_read_config: Name:BSA_HOGP
DEBUG: app_mgr_read_config: Bdaddr be:ef:be:ef:25:6a
DEBUG: app_mgr_read_config: ClassOfDevice:00:04:24 => Audio/Video
DEBUG: app_mgr_read_config: RootPath:/usr/src/rubikpi-btapp/pictures
DEBUG: app_mgr_read_config: Default PIN (4):0000
ERROR: app_xml_read_db: open(/usr/src/rubikpi-btapp/bt_devices.xml) failed
ERROR: app_mgr_read_remote_devices: app_xml_read_db failed:-1
ERROR: app_mgr_config: No remote device database found
BSA_trace 6@ 01/01 00h:33m:52s:562ms: BSA_DmGetConfigInit
BSA_trace 7@ 01/01 00h:33m:52s:562ms: BSA_DmGetConfig
DEBUG: app_mgr_get_bt_config: Enable:1
DEBUG: app_mgr_get_bt_config: Discoverable:1
DEBUG: app_mgr_get_bt_config: Connectable:1
DEBUG: app_mgr_get_bt_config: Name:BSA_HOGP
DEBUG: app_mgr_get_bt_config: Bdaddr be:ef:be:ef:25:6a
DEBUG: app_mgr_get_bt_config: ClassOfDevice:00:04:24
DEBUG: app_mgr_get_bt_config: First host disabled channel:79
DEBUG: app_mgr_get_bt_config: Last host disabled channel:79
DEBUG: app_mgr_sec_set_security: 
BSA_trace 8@ 01/01 00h:33m:52s:564ms: BSA_SecSetSecurityInit
BSA_trace 9@ 01/01 00h:33m:52s:564ms: BSA_SecSetSecurity
Add all devices found in database
ERROR: app_xml_read_si_db: open(/usr/src/rubikpi-btapp/si_devices.xml) failed
ERROR: app_read_xml_si_devices: app_xml_read_si_db failed: -1
BSA_trace 10@ 01/01 00h:33m:52s:564ms: BSA_DmSetConfigInit
DEBUG: app_mgr_set_bt_config: Enable:1
DEBUG: app_mgr_set_bt_config: Discoverable:1
DEBUG: app_mgr_set_bt_config: Connectable:1
DEBUG: app_mgr_set_bt_config: Name:BSA_HOGP
DEBUG: app_mgr_set_bt_config: Bdaddr be:ef:be:ef:25:6a
DEBUG: app_mgr_set_bt_config: ClassOfDevice:00:04:24
DEBUG: app_mgr_set_bt_config: First host disabled channel:79
DEBUG: app_mgr_set_bt_config: Last host disabled channel:79
BSA_trace 11@ 01/01 00h:33m:52s:565ms: BSA_DmSetConfig
BSA_trace 12@ 01/01 00h:33m:52s:676ms: BSA_TmReadVersionInit
BSA_trace 13@ 01/01 00h:33m:52s:676ms: BSA_TmReadVersion
Server status:0
FW Version:3.6.6.1154
BSA Server Version:BSA0107_00.26.00_qcom_qcs6490
BSA Server Version Information:Use_local_timestamp_for_logs_20240814
DEBUG: app_dm_get_dual_stack_mode: Get DualStackMode
BSA_trace 14@ 01/01 00h:33m:52s:678ms: BSA_DmGetConfigInit
BSA_trace 15@ 01/01 00h:33m:52s:678ms: BSA_DmGetConfig
Current DualStack mode:DUAL_STACK_MODE_BSA
Select action => 

Search for devices.

Type "4" to search for devices available for pairing. (Since communication between the app and service is asynchronous, you will need to wait a moment before the available devices are displayed.)

Select action => 4
Start Regular Discovery
BSA_trace 16@ 01/01 01h:45m:29s:988ms: BSA_DiscStartInit
BSA_trace 17@ 01/01 01h:45m:29s:988ms: BSA_DiscStart
Select action => New Discovered device:0
        Bdaddr:69:00:83:7f:b1:15
        Name:
        ClassOfDevice:00:00:00 => Misc device
        Services:0x00000000 ()
        Rssi:-47
        DeviceType:BLE InquiryType:BLE AddressType:Random
        Extended Information:
            Flags:0x1a [LE_General Controller_LE/BR/EDR Host_LE/BR/EDR]
            TxPower:12 dB
            Manufacturer Specific CompanyId:0x004C [Apple, Inc.]:
                Data: 10 05 65 1C 6D B4 B4 
......
......
Discovery complete

Pair devices

Type "6" to go to the bonding menu. The devices previously searched for pairing will be displayed. Type the corresponding device number to pair with the desired device. Then, follow the prompts to type "15" or "16" to confirm whether to accept the pairing (15-Accept, 16-Refuse). Once accepted, the pairing process will be completed.
```
Dev:0
        Bdaddr:5a:20:4e:6e:f7:57
        Name:
        ClassOfDevice:00:00:00 => Misc device
        Rssi:-55
......
```
If needed, type "7" to unpair the Bluetooth device.

11.2 Transfer files via Bluetooth

In the main menu, type "3" and press Enter to go to the opp menu for file transfer testing:

Select action => 3
 
*****************opp menu*******************
         1 ==>main_menu
         99 ==>help_menu
         0 ==>quit
 ****************************************************
Bluetooth Application OPP Menu:
    2 => opp server enable
    3 => opp server disable
    4 => ops enable auto accept
    5 => ops disconnect device
    6 => opp client enable
    7 => opp client disable
    8 => push vcard
    9 => exchange vcard
    10 => pull vcard
    11 => push /usr/src/rubikpi-btapp/test_file.txt
    12 => opc disconnect device
    13 => discovery
    0 => Exit
Select action => 

Test file receiving

The terminal where rubikpi-btapp is run in the previous section is called terminal 1. In another terminal – terminal 2, go to the rubikpi-btapp directory /usr/src/rubikpi-btapp/ and create a new directory push using the following command:
```
mkdir push
```

Go back to terminal 1. In the opp menu, type "2" to enable the opp server.

Select action => 2
app_start_ops
BSA_trace 6@ 01/01 00h:40m:39s:334ms: BSA_OpsEnableInit
BSA_trace 7@ 01/01 00h:40m:39s:334ms: BSA_OpsEnable
app_start_ops Status: 0 
Select action => 

Type "4" to enable automatic file reception. Then, use the device paired with RUBIK Pi 3 to send a test file. RUBIK Pi 3 will save the received file in the push directory. Once the transfer is complete, you can find the transmitted file in the push directory through terminal 2.

Select action => 4
BSA_trace 8@ 01/01 00h:41m:54s:528ms: BSA_OpsAccessInit
app_ops_auto_accept
DEBUG: app_ops_auto_accept: app_ops Auto - oper:1 access:4 Name:/usr/src/rubikpi-btapp/push/
BSA_trace 9@ 01/01 00h:41m:54s:528ms: BSA_OpsAccess
app_ops Auto - oper:2 access:4 Name:/usr/src/rubikpi-btapp/pull/Abdul Iqbal.vcf
BSA_trace 10@ 01/01 00h:41m:54s:530ms: BSA_OpsAccess
Select action => 

Type "3" to disable the server.

Select action => 3
app_stop_ops
BSA_trace 11@ 01/01 00h:42m:52s:588ms: BSA_OpsDisableInit
BSA_trace 12@ 01/01 00h:42m:52s:588ms: BSA_OpsDisable
Select action => 

Test file sending

In terminal 2, go to the rubikpi-btapp path usr/src/rubikpi-btapp/, create a file test_file.txt for the sending test, and run the following command to write the content to the file:
```
touch ./test_file.txt
echo RUBIKPI_TEST > test_file.txt
```

Go back to terminal 1. In the opp menu, type "6" to enable the opp client.

Select action => 6
app_opc_start
BSA_trace 13@ 01/01 00h:44m:27s:670ms: BSA_OpcEnableInit
BSA_trace 14@ 01/01 00h:44m:27s:670ms: BSA_OpcEnable
app_opc_start Status: 0 
Select action => 

Type "11" to get ready to send the test file. Select the number of the device to which you want to send the file and press Enter. The device will be ready to receive the file. After the file is received, type "7" to disable the client.

11.3 Test Bluetooth audio

Audio playback test

In the main menu, type "11" to go to av mode:

Select action => 11
 
*****************av menu*******************
         1 ==>main_menu
         99 ==>help_menu
         0 ==>quit
 ****************************************************
Bluetooth Application AV menu
  AV Point To Point menu:
    2 => Abort Discovery
    3 => Start Discovery
    4 => Display local source points
    5 => AV Register (Create local source point)
    6 => AV DeRegister (Remove local source point)
    7 => AV Open (Connect)
    8 => AV Close (Disconnect)
    9 => AV Play AVK Stream
    10 => AV Play Tone
    11 => AV Toggle Tone
    12 => AV Play File
    13 => AV Start Playlist
    14 => AV Play Microphone
    15 => Accept Request
    16 => Refuse Request
    17 => AV Stop
    18 => AV Pause
    19 => AV Resume
    20 => AV Send RC Command (Inc Volume)
    21 => AV Send RC Command (Dec Volume)
    22 => AV Close RC
    23 => AV Send Absolute Vol RC Command
    24 => AV Configure UIPC
    25 => AV Change Content Protection (Currently:NONE)
    26 => AV Test SEC codec
    27 => AV Set Tone sampling frequency
    28 => AV Send Meta Response to Get Element Attributes Command
    29 => AV Send Meta Response to Get Play Status Command
    30 => AV Send Metadata Change Notifications
    31 => Change AV file for PTS test
    32 => Reset folder location for PTS test
    0 => Exit
DEBUG: app_uipc_tx_thread: Starting UIPC Tx thread
DEBUG: app_uipc_tx_thread: Waiting for play start
DEBUG: app_playlist_create: New file Audio file found:2c.wav
DEBUG: app_playlist_create: New file Audio file found:Remix_48K_2ch_16bit.wav
WAV format of: /usr/src/rubikpi-btapp/test_files/av/2c.wav
    codec(PCM) ch(2) bits(16) rate(44100)
WAV format of: /usr/src/rubikpi-btapp/test_files/av/Remix_48K_2ch_16bit.wav
    codec(PCM) ch(2) bits(16) rate(48000)
app_av_cb.soundfile_list_size:2
BSA_trace 6@ 01/01 00h:46m:41s:124ms: BSA_AvEnableInit
BSA_trace 7@ 01/01 00h:46m:41s:124ms: BSA_AvEnable
BSA_trace 8@ 01/01 00h:46m:41s:127ms: BSA_AvRegisterInit
BSA_trace 9@ 01/01 00h:46m:41s:127ms: BSA_AvRegister
BSA_trace 10@ 01/01 00h:46m:41s:134ms: UIPC_Open ChId:5
BSA_trace 11@ 01/01 00h:46m:41s:134ms: uipc_rb_open name:rb_av id:5 size:20001 flags:x2
BSA_trace 12@ 01/01 00h:46m:41s:134ms: uipc_rb_open: Size = 20001
BSA_trace 13@ 01/01 00h:46m:41s:134ms: uipc_rb_open: Buffer = 0x7f97074010
BSA_trace 14@ 01/01 00h:46m:41s:134ms: uipc_rb_open: semid = 0
BSA_trace 15@ 01/01 00h:46m:41s:134ms: uipc_rb_open: wr_lockid = 1
BSA_trace 16@ 01/01 00h:46m:41s:134ms: uipc_rb_open: wr_lockid.val = 20000
BSA_trace 17@ 01/01 00h:46m:41s:134ms: uipc_cl_av_open AV channel opened
BSA_trace 18@ 01/01 00h:46m:41s:134ms: UIPC_Ioctl ChId:5 Request:UIPC_WRITE_BLOCK (3)
BSA_trace 19@ 01/01 00h:46m:41s:134ms: BSA_AvRegisterInit
BSA_trace 20@ 01/01 00h:46m:41s:134ms: BSA_AvRegister
Select action => 

Type "3" to start discovering Bluetooth audio devices and wait for the discovery to complete.

Type "7" to go to connect mode.

Select action => 7
Bluetooth AV Open menu:
    0 Device from XML database (already paired)
    1 Device found in last discovery
Select source => 

Type "1", find the device you want to connect from the discovered ones, type the corresponding device number, and start paring. The following example uses dev 0 as a reference.

Select source => 1
Dev:0
        Bdaddr:60:6b:4d:3e:93:26
        Name:
        ClassOfDevice:00:00:00 => Misc device
        Rssi:-65
Dev:1
......
Select device => 

Type "15" or "16" to confirm whether to accept the connection request.

After accepting the connection request, the pairing process begins until the Bluetooth device is successfully connected.

Type "12" to go to the playback menu, select the desired test audio, and start playback. The Bluetooth audio device will output sound.
While playing Bluetooth audio, you can adjust the volume by sequentially entering "23 > 0 > volume value." The volume range is from 0 to 100.

Bluetooth recording test

In the main menu, type "8" to go to ag mode. The ag menu is as follows:

Select action => 8
 
*****************hfp ag menu*******************
         1 ==>main_menu
         99 ==>help_menu
         0 ==>quit
 ****************************************************
Bluetooth Application HFP AG menu:
=> Initialize
=> Deinitialize
=> Discover Headset
=> Enable 
=> Disable 
=> Register 
=> Deregister 
=> Connect 
=> Disconnect
=> Open audio 
=> Close audio 
=> Record audio file
=> Accept Request
=> Refuse Request
=> Stop record audio file
=> Play audio file
=> Stop Playing audio file
=> Display SCO route config
=> Indicate incoming call
=> PickUp call
=> HangUp call
=> Quit
Select action => 

Type "2" to initialize ag mode.
Type "4" to discover the Bluetooth headset and wait for the discovery to complete.

Type "9" to go to the connect menu.

Select action => 9
DEBUG: app_ag_open: Entering
Bluetooth AG menu:
    0 Device from XML database (already paired)
    1 Device found in last discovery
Select source => 

Type "1" to select the device you want to connect from the discovered ones.
Type the device number to start connection.
Type "15" or "16" to confirm whether to accept the connection.
```
You must accept or refuse using menu(15---Accept,16---Refuse)
```
Type "11" to open the SCO link.

In another terminal – terminal 3, run the following commands:

systemctl stop pulseaudio

#Start recording audio from the Bluetooth headset microphone.
agmcap /home/root/my.wav -D 100 -d 101 -r 16000 -b 16 -c 1 -i MI2S-LPAIF_VA-TX-PRIMARY -dkv 0xA3000003 -p 120 -n 2

#Press Ctrl+C to stop recording.

systemctl start pulseaudio

The recorded audio is saved at /home/root/my.wav.

mkdir /data/misc/display -p




export PATH=/usr/bin:$PATH
export EXTRALAYERS="meta-qcom-qim-product-sdk"
export MACHINE=qcm6490-idp
export DISTRO=qcom-wayland
source setup-environment
export CUST_ID="213195" 
export FWZIP_PATH="/home/scm/prj/6490PI/src/vendor/thundercomm/prebuilt/BP-BINs"
export BB_ENV_PASSTHROUGH_ADDITIONS="$BB_ENV_PASSTHROUGH_ADDITIONS FWZIP_PATH CUST_ID"






export PATH=/usr/bin:$PATH
export EXTRALAYERS="meta-qcom-qim-product-sdk"
export MACHINE=qcm6490-idp
export DISTRO=rubikpi-debian
source setup-environment
export CUST_ID="213195" 
export FWZIP_PATH="/home/scm/prj/6490PI/src/vendor/thundercomm/prebuilt/BP-BINs"
export BB_ENV_PASSTHROUGH_ADDITIONS="$BB_ENV_PASSTHROUGH_ADDITIONS FWZIP_PATH CUST_ID"

11.4 Check the software version

Run rubikpi_btapp with the parameter -v to view the version information:

rubikpi_btapp -v

11.1 Enable Bluetooth and pair devices​

11.2 Transfer files via Bluetooth​

11.3 Test Bluetooth audio​

11.4 Check the software version​

If you have any questions, please let me know

11.1 Enable Bluetooth and pair devices

11.2 Transfer files via Bluetooth

11.3 Test Bluetooth audio

11.4 Check the software version