Re: Generic Attribute Profile Service (0x1801) and ServiceChanged Characteristic (0x2A05)
Re: Generic Attribute Profile Service (0x1801) and ServiceChanged Characteristic (0x2A05)
- Subject: Re: Generic Attribute Profile Service (0x1801) and ServiceChanged Characteristic (0x2A05)
- From: Martijn The <email@hidden>
- Date: Tue, 03 Feb 2015 08:22:41 -0800
If you're just interested in the Service Changed indications, there is this API that maps to that:
M
Op dinsdag 3 februari 2015 heeft isa56k <
email@hidden> het volgende geschreven:
Hi Matthias,
Thanks for reply, thats kind of the approach we have taken but wanted to find out if we could use the GAP Service.
Cheers.
> On 3 Feb 2015, at 15:06, Matthias Ringwald <email@hidden> wrote:
>
> Hi
>
> Yes, a few services are handled by iOS already and not accessible to apps. These are listed in the Bluetooth Developer Guidelines chapter 3.12
> It includes the GATT, GAP, HID and ANCS profiles.
>
> See: https://developer.apple.com/hardwaredrivers/BluetoothDesignGuidelines.pdf
>
> If you need to access data that isn’t provided via official APIs, a common pattern in the past has been to provide such data within a custom service that your app can safely access.
>
> Best
> Matthias
>
>> On 03 Feb 2015, at 12:20, isa56k <email@hidden> wrote:
>>
>> Hello,
>>
>> Is it possible to discover the GAP Service (0x1801) via CoreBluetooth and then subscribe for indications/notifications to the ServiceChanged characteristic (0x2A05)?
>>
>> We are trying to use this characteristic to identify if a bond is already in place but I can’t seem to discover the GAP service.
>>
>> From what I have read elsewhere iOS filters this from the developer.
>>
>> Is this true and if so why and can you access the “ServiceChanged” Characteristic 0x2A05 any other way?
>>
>> Thx//56k
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