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How to use UBUS commands for Bluetooth device scanning / pairing (view source)
Revision as of 16:57, 3 August 2023
, 16:57, 3 August 2023no edit summary
This page contains instructions on how to use CLI / SSH command '''UBUS''' for scanning and pairing new Bluetooth devices on RUTX.
==Introduction==
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. Below is '''Help''' output of this command:
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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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'''.
[[File:Networking_rutx_configuration_example_bluetooth_enable_v1.png]]
*Now login to [[CLI]] or SSH and initialize blesemd, run '''blesemd -D''' command:
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root@Teltonika-RUTX11:~# ubus
root@Teltonika-RUTX11:~# blesemd -D
Initializing blesemd...
Warning: debug messages will be shown!
Preparing bluetooth interface...
Reading config...
Devices loaded: 0
Creating database...
modbus_data table already exists
SENT_ID_TABLE already exists
Create DB done
Initializing uloop...
Connecting to ubus...
Initializing BLE device...
Initializing BLE ubus interface...
Adding ubus object...
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* Enable Bluetooth in Web UI menu '''Network -> Bluetooth -> General'''. Click ''"Save&Apply"''.
*Run '''scan.start''' command to start Bluetooth scan:
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* To see scan results, use command '''scan.result''':
*To see scan results, use command '''scan.result''':
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The scan takes about 30 seconds. The '''"scanning": 1''' output shows us that scan still in progress. After it finish you should see similar output:
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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"name": "RT_T",
"name": "RT_T",
"rssi": -72,
"rssi": -72,
"address": "FF:CB:FA:6A:23:CB"
"address": "FF:CB:FF:6F:23:FB"
}
}
]
]
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The list of devices always contains '''"rssi"''' and '''"address"''', but '''"name"''' output might be missing:
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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{
{
"rssi": -42,
"rssi": -42,
"address": "28:21:06:02:72:AD"
"address": "2F:2A:0A:0A:7A:AA"
},
},
{
{
"name": "RT_T",
"name": "RT_T",
"rssi": -77,
"rssi": -77,
"address": "C6:0D:52:5E:35:D7"
"address": "CF:0A:52:5E:35:D7"
}
}
]
]
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* Device pairing command:
*In order to pair devices use this command:
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ubus call blesem pair '{"address":"FF:CB:FA:6A:23:CB"}'
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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*To get the statistics from paired devices, use '''stat''' command:
* To get statistic from paired devices, use '''stat''' command:
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You should see output:
You should see similar output:
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}
}
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[[Category:Hardware application]]
[[Category:RUT FAQ]]