Difference between revisions of "How to use UBUS commands for Bluetooth device scanning / pairing"

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==Introduction==
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This page contains instructions on how to use CLI / SSH command '''UBUS''' for scanning and pairing new Bluetooth devices on RUTX.
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This page contains instructions on how to use '''ubus''' commands in [[CLI]] / SSH to scan and pair '''Bluetooth''' devices on '''RUTX10/11'''.
 
  
 
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The '''ubus''' command line tool allows to interact with the '''ubusd''' server (with all currently registered services). It's useful for investigating/debugging registered namespaces as well as writing shell scripts. For calling procedures with parameters and returning responses it uses the user-friendly JSON format.
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* Enable Bluetooth in Web UI menu '''Network -> Bluetooth -> General'''. Click ''"Save&Apply"''.
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Before you start using ubus commands to control Bluetooth, make sure to enable it first. You can do that in '''Network → Bluetooth → General''' settings. Click '''Enable Bluetooth''' and press '''Save & Apply'''.
 
 
    
 
    
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[[File:Networking_rutx_configuration_example_bluetooth_enable_v1.png]]
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* Login using [[CLI]] and run this command to start Bluetooth scan:
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*Now login to [[CLI]] or SSH and initialize blesemd, run '''blesemd -D''' command:
 
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...
 
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root@Teltonika-RUTX11:~# blesemd -D
 
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Initializing blesemd...
 
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Warning: debug messages will be shown!
 
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Preparing bluetooth interface...
 
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Reading config...
 
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Devices loaded: 0
 
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Creating database...
 
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modbus_data table already exists
 
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SENT_ID_TABLE already exists
 
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Create DB done
 
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Initializing uloop...
 
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Connecting to ubus...
 
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Initializing BLE device...
 
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Initializing BLE ubus interface...
 
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Adding ubus object...
 
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...
 
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*Run '''scan.start''' command to start Bluetooth scan:
 
  
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  ...
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  ---
 
  ubus call blesem scan.start
 
  ubus call blesem scan.start
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  ...
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  ---
  
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*To see scan results, use command '''scan.result''':
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Skanavimo rezultatų gavimas siunčiant ubus komandą:
  
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...
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ubus call blesem scan.result
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ubus call blesem scan.result
 
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The scan process takes about 30 seconds. If you can see '''"scanning": 1''' in the output, it means, that scanning is still in progress. After it finishes you should see a similar output:
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Kuri parodys sąrašą tokiu formatu:
  
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...
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{  
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{  
 
 
       "scanning": 0,  
 
       "scanning": 0,  
 
       "devices": [  
 
       "devices": [  
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                       "name": "RT_T",  
 
                       "name": "RT_T",  
 
                       "rssi": -72,  
 
                       "rssi": -72,  
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                       "address": "FF:CB:FF:6F:23:FB"
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                       "address": "FF:CB:FA:6A:23:CB"  
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              }
 
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      ]
 
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}
 
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...
 
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The list of devices always contains '''"rssi"''' and '''"address"''', but '''"name"''' output might be missing if the device is not supported:
 
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{
 
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      "scanning": 0,
 
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      "devices": [
 
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              { 
 
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                      "rssi": -42,
 
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                      "address": "2F:2A:0A:0A:7A:AA"
 
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              },
 
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              {
 
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                      "name": "RT_T",
 
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                      "rssi": -77,
 
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                      "address": "CF:0A:52:5E:35:D7"  
 
 
               }  
 
               }  
 
       ]  
 
       ]  
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}
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}
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...
 
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*In order to pair devices use this command:
 
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ubus call blesem pair '{"address":"FF:CC:FF:6A:23:CB"}'
 
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If the pairing process was successful you should see this output:
 
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{
 
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      "success": "device successfully paired"
 
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}
 
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*To get the statistics from paired devices, use '''stat''' command:
 
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ubus call blesem stat '{"address":"FF:CB:FA:6A:23:CB"}'
 
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You should see similar output:
 
  
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...
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Skanavimas vyksta apie 30sek., todėl su „scanning“ rodoma ar vis dar yra vykdomas skanavimas. Šiuo atveju, galima užklausinėti „scan.result“ kol „scanning“ = 1.
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{
 
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      "success": "successfully requested status",
 
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      "model": "3901",
 
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      "battery": 98,
 
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      "temperature": "20.34",
 
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      "humidity": 20,
 
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      "firmware": "23",
 
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.
 
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}
 
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...
 
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[[Category:Hardware application]]
 

Revision as of 11:49, 24 April 2020

Main Page > General Information > Configuration Examples > Hardware application > How to use UBUS commands for Bluetooth device scanning / pairing

This page contains instructions on how to use CLI / SSH command UBUS for scanning and pairing new Bluetooth devices on RUTX.

  • Enable Bluetooth in Web UI menu Network -> Bluetooth -> General. Click "Save&Apply".
  • Login using CLI and run this command to start Bluetooth scan:
---
ubus call blesem scan.start
---

Skanavimo rezultatų gavimas siunčiant ubus komandą:

ubus call blesem scan.result

Kuri parodys sąrašą tokiu formatu:

{ 

      "scanning": 0, 
      "devices": [ 
              { 
                      "name": "RT_T", 
                      "rssi": -72, 
                      "address": "FF:CB:FA:6A:23:CB" 
              } 
      ]

}

Skanavimas vyksta apie 30sek., todėl su „scanning“ rodoma ar vis dar yra vykdomas skanavimas. Šiuo atveju, galima užklausinėti „scan.result“ kol „scanning“ = 1.

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