Re: WWDC Bluetooth Meetup
Re: WWDC Bluetooth Meetup
- Subject: Re: WWDC Bluetooth Meetup
- From: Zachary Davison <email@hidden>
- Date: Wed, 21 May 2014 10:42:42 +0100
I’m not going to be around for WWDC itself, but I’ll be in SF from June 4th onwards and would love to meet other BT devs and see what you’re all doing.
On May 20, 2014, at 8:00 PM, email@hidden wrote:
> Send Bluetooth-dev mailing list submissions to
> email@hidden
>
> To subscribe or unsubscribe via the World Wide Web, visit
> https://lists.apple.com/mailman/listinfo/bluetooth-dev
> or, via email, send a message with subject or body 'help' to
> email@hidden
>
> You can reach the person managing the list at
> email@hidden
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Bluetooth-dev digest..."
>
>
> Today's Topics:
>
> 1. Avoiding to discover services and characteristics with iOS7
> (Fred Visticot)
> 2. Re: Avoiding to discover services and characteristics with
> iOS7 (Jason Conn)
> 3. Re: Avoiding to discover services and characteristics with
> iOS7 (William Henderson)
> 4. WWDC Bluetooth Meetup (Steve Jabs)
> 5. Re: WWDC Bluetooth Meetup (Falko Richter)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 20 May 2014 00:51:43 +0200
> From: Fred Visticot <email@hidden>
> To: email@hidden
> Subject: Avoiding to discover services and characteristics with iOS7
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=iso-8859-1
>
> I know that iOS7 has introduced caching mechanisms in the CoreBluetooth.
>
> 1. I reconnect to a previous connected device with the peripheral identifier.
> 2. Connection is fast (100ms)
> 3. I need to read a characteristic value
>
> - Is it mandatory to discover services and characteristics before reading a value ?
> In my case it takes 1.5s to read the value ?
> - Can I save a characteristic and use this property without services and characteristics discovering step ?
>
> Is the iOS7 caching mechanism « transparent » / « free » meaning that discovering services and characteristics is using cache ?
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 19 May 2014 15:55:29 -0700
> From: Jason Conn <email@hidden>
> To: Fred Visticot <email@hidden>
> Cc: email@hidden
> Subject: Re: Avoiding to discover services and characteristics with
> iOS7
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=iso-8859-1
>
>> - Can I save a characteristic and use this property without services and characteristics discovering step ?
>
> No. CBService/Characteristics/Descriptors are only valid within the context of the connection in which they were discovered.
>
> You need to go through the same steps and the cache will be used where appropriate.
>
> On May 19, 2014, at 3:51 PM, Fred Visticot <email@hidden> wrote:
>
>> I know that iOS7 has introduced caching mechanisms in the CoreBluetooth.
>>
>> 1. I reconnect to a previous connected device with the peripheral identifier.
>> 2. Connection is fast (100ms)
>> 3. I need to read a characteristic value
>>
>> - Is it mandatory to discover services and characteristics before reading a value ?
>> In my case it takes 1.5s to read the value ?
>> - Can I save a characteristic and use this property without services and characteristics discovering step ?
>>
>> Is the iOS7 caching mechanism « transparent » / « free » meaning that discovering services and characteristics is using cache ?
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Bluetooth-dev mailing list (email@hidden)
>> Help/Unsubscribe/Update your Subscription:
>>
>> This email sent to email@hidden
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 19 May 2014 19:37:22 -0700
> From: William Henderson <email@hidden>
> To: Jason Conn <email@hidden>
> Cc: Fred Visticot <email@hidden>, email@hidden
> Subject: Re: Avoiding to discover services and characteristics with
> iOS7
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset="utf-8"
>
> If I recall correctly, caching is used (automatically, as Jason said) only for paired devices who haven’t changed (any of) their advertised characteristics or services.
>
> William
>
> On Monday, May 19, 2014 at 3:55 PM, Jason Conn wrote:
>
>>> - Can I save a characteristic and use this property without services and characteristics discovering step ?
>>
>>
>> No. CBService/Characteristics/Descriptors are only valid within the context of the connection in which they were discovered.
>>
>> You need to go through the same steps and the cache will be used where appropriate.
>>
>> On May 19, 2014, at 3:51 PM, Fred Visticot <email@hidden (mailto:email@hidden)> wrote:
>>
>>> I know that iOS7 has introduced caching mechanisms in the CoreBluetooth.
>>>
>>> 1. I reconnect to a previous connected device with the peripheral identifier.
>>> 2. Connection is fast (100ms)
>>> 3. I need to read a characteristic value
>>>
>>> - Is it mandatory to discover services and characteristics before reading a value ?
>>> In my case it takes 1.5s to read the value ?
>>> - Can I save a characteristic and use this property without services and characteristics discovering step ?
>>>
>>> Is the iOS7 caching mechanism « transparent » / « free » meaning that discovering services and characteristics is using cache ?
>>> _______________________________________________
>>> Do not post admin requests to the list. They will be ignored.
>>> Bluetooth-dev mailing list (email@hidden (mailto:email@hidden))
>>> Help/Unsubscribe/Update your Subscription:
>>>
>>> This email sent to email@hidden (mailto:email@hidden)
>>
>>
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Bluetooth-dev mailing list (email@hidden (mailto:email@hidden))
>> Help/Unsubscribe/Update your Subscription:
>>
>> This email sent to email@hidden (mailto:email@hidden)
>
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL: <https://lists.apple.com/mailman/private/bluetooth-dev/attachments/20140519/462f2314/attachment.html>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 20 May 2014 00:25:50 -0400
> From: Steve Jabs <email@hidden>
> To: "email@hidden" <email@hidden>
> Subject: WWDC Bluetooth Meetup
> Message-ID:
> <email@hidden>
> Content-Type: text/plain; charset="utf-8"
>
> Hi All,
>
> A little off-topic, but who all is going to make it out to WWDC in a couple
> of weeks? I'd love to meet up with as many of you as possible and grab some
> beer, share ideas and show what all of us have been up to.
>
> If you are interested, lets get the ball rolling now and try to formalize
> something.
>
> I apologize in advance if someone has already started something and reached
> out to the group. If that is already happened, I missed that post.
>
> Thanks everyone,
>
> Steve Jablonski
> email@hidden
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL: <https://lists.apple.com/mailman/private/bluetooth-dev/attachments/20140520/361b8ff6/attachment.html>
>
> ------------------------------
>
> Message: 5
> Date: Tue, 20 May 2014 09:31:13 +0200
> From: Falko Richter <email@hidden>
> To: "email@hidden" <email@hidden>
> Subject: Re: WWDC Bluetooth Meetup
> Message-ID:
> <email@hidden>
> Content-Type: text/plain; charset="utf-8"
>
> Hey Steve,
>
> I am definitely interested. But I have no idea about WWDC, since this will
> be my first time :)
>
> Cheers,
>
> Falko
>
>
> 2014-05-20 6:25 GMT+02:00 Steve Jabs <email@hidden>:
>
>> Hi All,
>>
>> A little off-topic, but who all is going to make it out to WWDC in a
>> couple of weeks? I'd love to meet up with as many of you as possible and
>> grab some beer, share ideas and show what all of us have been up to.
>>
>> If you are interested, lets get the ball rolling now and try to formalize
>> something.
>>
>> I apologize in advance if someone has already started something and
>> reached out to the group. If that is already happened, I missed that post.
>>
>> Thanks everyone,
>>
>> Steve Jablonski
>> email@hidden
>>
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Bluetooth-dev mailing list (email@hidden)
>> Help/Unsubscribe/Update your Subscription:
>>
>>
>> This email sent to email@hidden
>>
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL: <https://lists.apple.com/mailman/private/bluetooth-dev/attachments/20140520/1560cb18/attachment.html>
>
> ------------------------------
>
> _______________________________________________
> Bluetooth-dev mailing list
> email@hidden
> https://lists.apple.com/mailman/listinfo/bluetooth-dev
>
> End of Bluetooth-dev Digest, Vol 11, Issue 87
> *********************************************
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Bluetooth-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden