How to use CBCharacteristicPropertyIndicate?
How to use CBCharacteristicPropertyIndicate?
- Subject: How to use CBCharacteristicPropertyIndicate?
- From: Tammo Freese <email@hidden>
- Date: Sun, 24 Mar 2013 19:05:55 +0100
Hello,
I would like to switch from notifications to indications, to be sure that sent events/data is received on the other side.
I tried replacing CBCharacteristicPropertyNotify in the "BTLE Central Peripheral Transfer" with CBCharacteristicPropertyIndicate. That didn't work .The peripheral logged:
2013-03-24 18:50:34.412 BTLE Transfer[15346:907] self.peripheralManager powered on.
2013-03-24 18:50:38.436 BTLE Transfer[15346:907] Central subscribed to characteristic
2013-03-24 18:50:38.440 BTLE Transfer[15346:907] Sent: Here is a bunch of s
2013-03-24 18:50:38.442 BTLE Transfer[15346:907] Sent: ample text. Hold ano
2013-03-24 18:50:38.444 BTLE Transfer[15346:907] Sent: ther device close to
2013-03-24 18:50:38.446 BTLE Transfer[15346:907] Sent: see the transfer ha
2013-03-24 18:50:38.448 BTLE Transfer[15346:907] Sent: ppen.
2013-03-24 18:50:38.450 BTLE Transfer[15346:907] Sent: EOM
The central logged:
2013-03-24 18:50:19.209 BTLE Transfer[7331:c07] Scanning started
2013-03-24 18:50:37.998 BTLE Transfer[7331:c07] Discovered iPhone at -34
2013-03-24 18:50:37.999 BTLE Transfer[7331:c07] Connecting to peripheral <CBConcretePeripheral: 0x7591840 UUID = <CFUUID 0x7590780> 6A73BF68-01C9-B751-31D5-916297EC1932, Name = "iPhone", IsConnected = NO>
2013-03-24 18:50:38.001 BTLE Transfer[7331:c07] Discovered iPhone at -34
2013-03-24 18:50:38.030 BTLE Transfer[7331:c07] Peripheral Connected
2013-03-24 18:50:38.032 BTLE Transfer[7331:c07] Scanning stopped
2013-03-24 18:50:39.069 BTLE Transfer[7331:c07] Notification began on <CBConcreteCharacteristic: 0x75868a0>
2013-03-24 18:50:39.071 BTLE Transfer[7331:c07] Received: Here is a bunch of s
So it seems the central only got the first message, and then nothing more.
Does anyone of you know what I did wrong, and how to get indications to work?
Take care
Tammo Freese
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