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BTLE define custom UUID, Chars, and Handles?

asked 2018-06-04 21:13:58 +0000

BTLED gravatar image

I'm using the Nordic BLE sniffer to go through debugging an applicaiton. The sniffer plugin is kind of garbage, but it works occasionally. When it does I have a lot of entries like this:

1108 54.581954 Slave0x5xxxxxxx Master0x5xxxxxx ATT 46 Rcvd Read By Type Response, Attribute List Length: 2, Unknown, Unknown

or

1100 54.267619 Slave0x5xxxxxxx Master0x5xxxxxxx ATT 36 Rcvd Find Information Response, Handle: 0x000d (Generic Attribute Profile: Unknown: Client Characteristic Configuration)

Is there any clear method to list my UUID and characteristics as something other than UNKNOWN? Nordic says this is entirely out of their hands as the dissector is owned by Wireshark, but it seems someone would have to had made a way to define non-official UUIDs and characteristics right?

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answered 2018-06-05 08:04:52 +0000

Guy Harris gravatar image

but it seems someone would have to had made a way to define non-official UUIDs and characteristics right?

No, not necessarily. Wireshark currently has a hardwired table mapping UUIDs to names.

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What does that even mean?

I have a UUID I created, with a service that has 10 characteristics. Is it really unsupported to have a way to remap "UNKNOWN" to "My Device Status GATT" ?

BTLED gravatar imageBTLED ( 2018-06-05 16:25:57 +0000 )edit

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Asked: 2018-06-04 21:13:58 +0000

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Last updated: Jun 05