October 2012 - Bluetooth-dev

Re: Bluetooth 4.0 dongles
by Louis Mamakos 04 Oct '12

04 Oct '12

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Re: Bluetooth 4.0 dongles
by Khaos Tian 04 Oct '12

04 Oct '12

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Re: Bluetooth 4.0 dongles
by Jonathan Cohn 04 Oct '12

04 Oct '12

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Bluetooth 4.0 dongles
by Garry 04 Oct '12

04 Oct '12

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Discover one characteristic
by Alpwise iOS Dev 03 Oct '12

03 Oct '12

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Re: Device does not disconnect properly
by Jimmy Adler 03 Oct '12

03 Oct '12

Not the answer I was hoping for, but thanks for a quick reply! :) Br, Jimmy On Oct 3, 2012, at 10:46 AM, Andras Kovi wrote: > Your observation is correct. This was a design decision on Apple's side and many developers have raised this issue so far. I suggest you check out the list archives, there have been lengthy discussions on the topic. > > To answer: no, there is no known way of forcefully disconnecting the peripheral other than programming the peripheral to disconnect automatically if needed. But in case of using an Apple device as peripheral even this solution may fail. > > Cheers, > Andras > > On Oct 3, 2012, at 10:39 AM, Jimmy Adler <d99fish(a)gmail.com> wrote: > >> Hi, >> >> I am trying to read out some values from a BLE device and then disconnect from it. >> >> After I'm done reading I call: >> [centralManager cancelPeripheralConnection:peripheral]; >> and I get the callback: >> didDisconnectPeripheral >> >> In the callback I check: >> [peripheral isConnected] and it comes back as 0. >> >> However, the device appears to still be connected, when looking in the settings app under bluetooth. It takes and additional 30 seconds or so before the device is actually released, and I belive that this is due to the device closing the connection, since it has a timeout of about that long if no transmissions are made, it will go to sleep. >> >> Is there any other way to do the diconnect? >> >> Br, >> >> Jimmy >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Bluetooth-dev mailing list (Bluetooth-dev(a)lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/bluetooth-dev/allprog%40gmail.com >> >> This email sent to allprog(a)gmail.com > _______________________________________________ Do not post admin requests to the list. They will be ignored. Bluetooth-dev mailing list (Bluetooth-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/bluetooth-dev/site_archiver%40lists… This email sent to site_archiver(a)lists.apple.com

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Re: Device does not disconnect properly
by Andras Kovi 03 Oct '12

03 Oct '12

Your observation is correct. This was a design decision on Apple's side and many developers have raised this issue so far. I suggest you check out the list archives, there have been lengthy discussions on the topic. To answer: no, there is no known way of forcefully disconnecting the peripheral other than programming the peripheral to disconnect automatically if needed. But in case of using an Apple device as peripheral even this solution may fail. Cheers, Andras On Oct 3, 2012, at 10:39 AM, Jimmy Adler <d99fish(a)gmail.com> wrote: > Hi, > > I am trying to read out some values from a BLE device and then disconnect from it. > > After I'm done reading I call: > [centralManager cancelPeripheralConnection:peripheral]; > and I get the callback: > didDisconnectPeripheral > > In the callback I check: > [peripheral isConnected] and it comes back as 0. > > However, the device appears to still be connected, when looking in the settings app under bluetooth. It takes and additional 30 seconds or so before the device is actually released, and I belive that this is due to the device closing the connection, since it has a timeout of about that long if no transmissions are made, it will go to sleep. > > Is there any other way to do the diconnect? > > Br, > > Jimmy > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Bluetooth-dev mailing list (Bluetooth-dev(a)lists.apple.com) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/bluetooth-dev/allprog%40gmail.com > > This email sent to allprog(a)gmail.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Bluetooth-dev mailing list (Bluetooth-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/bluetooth-dev/site_archiver%40lists… This email sent to site_archiver(a)lists.apple.com

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Device does not disconnect properly
by Jimmy Adler 03 Oct '12

03 Oct '12

Hi, I am trying to read out some values from a BLE device and then disconnect from it. After I'm done reading I call: [centralManager cancelPeripheralConnection:peripheral]; and I get the callback: didDisconnectPeripheral In the callback I check: [peripheral isConnected] and it comes back as 0. However, the device appears to still be connected, when looking in the settings app under bluetooth. It takes and additional 30 seconds or so before the device is actually released, and I belive that this is due to the device closing the connection, since it has a timeout of about that long if no transmissions are made, it will go to sleep. Is there any other way to do the diconnect? Br, Jimmy _______________________________________________ Do not post admin requests to the list. They will be ignored. Bluetooth-dev mailing list (Bluetooth-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/bluetooth-dev/site_archiver%40lists… This email sent to site_archiver(a)lists.apple.com

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Tx Power Level in iOS6 peripheral advertisement
by Zsombor Papp 02 Oct '12

02 Oct '12

Is this not possible when the peripheral is an iOS device? Thanks, Zsombor _______________________________________________ Do not post admin requests to the list. They will be ignored. Bluetooth-dev mailing list (Bluetooth-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/bluetooth-dev/site_archiver%40lists… This email sent to site_archiver(a)lists.apple.com Can an iPhone4S running iOS6 and acting as a peripheral include the Tx Power Level in its BLE advertisement? It seems to me that the WWDC 2012 Session 705 implies that it can, but I can't figure out how. It is not included by default, and the documentation of CBPeripheralManager states that the only supported advertisement data types I can pass to startAdvertising are CBAdvertisementDataLocalNameKey and CBAdvertisementDataServiceUUIDsKey. I tried to set a (dummy) value for CBAdvertisementDataTxPowerLevelKey but it was ignored. And even if I could set a value for this key, I don't know where to get the actual value from.

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