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Re: CBPeripheral UUID is unique?
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Re: CBPeripheral UUID is unique?

  • Subject: Re: CBPeripheral UUID is unique?
  • From: Flavio Crisciani <email@hidden>
  • Date: Tue, 12 Mar 2013 15:53:44 -0700
Hi Etan,
thank you very much for the answer. Do you have some suggestion about how to uniquely indentify a peripheral with the same piece of information between different devices?
Do you know how is it generated this UUID on the Central? it will use for sure some peripheral information that remain constant, is it available to be picked from the Core Bluetooth?

Flavio


On Tue, Mar 12, 2013 at 3:39 PM, Etan Kissling <email@hidden> wrote:
Flavio,

The UUID is generated by the Central when the peripheral is first connected, and can
be used to uniquely identify the remote device until the user uses the "Reset All Settings"
feature.
Therefore, when multiple centrals connect to the same peripheral, the UUID will not be
the same. As long as you connect from the same central, it will be stable over time.

Etan



On 12.03.2013, at 22:35, Flavio Crisciani <email@hidden>
 wrote:

> Hi guys,
> is the UUID inside the CBPeripheral data structure unique so that it can be used to uniquely identify a physical device over time?
> If so, is it generated by the perpheral according to the services and characteristics that it publishs, or is something built-in by the manufacturer inside the device that never changes?
> Thank you very much.
>
> Flavio
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  • Follow-Ups:
    • Re: CBPeripheral UUID is unique?
      • From: Louis Gerbarg <email@hidden>
    • Re: CBPeripheral UUID is unique?
      • From: Etan Kissling <email@hidden>
References: 
 >CBPeripheral UUID is unique? (From: Flavio Crisciani <email@hidden>)
 >Re: CBPeripheral UUID is unique? (From: Etan Kissling <email@hidden>)

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