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Hello,
I have the following problem, I don't know if it is related to the Android-Application or the BT-Module.
The first connection, when the user connectes the Smartpone and the Module, all Characteristics and Data are read within 2-4 seconds (after he entered the pin). But if he reconnects to to the Module, the reading of all Characteristics and Data will take about 10-30 seconds.
Anybody a hint what could be the reason for this?
Solved! Go to Solution.
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ReadWrite Characteristics
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Hello Matthias,
Try this:
1. Set short connection intervals and test this.
Thanks
JT
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Whats the connection interval?
Which app are you using from the SDK to run the tests?
Do you have air trace capabilities setup?
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The controller will send every second new data to the smartphone.
The app based on the sample of android (BluetoothLeGatt)
I don't have other tracing capabilities than the trace of the BT-Module and the log of android.
If I choos "Forget the device", the next connection will be OK. But if I reconnect again, the reading of the characteristics and setting the notifications be slow again.
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Hello Matthias,
A few questions:
1. Which BT-Module/Board are you using? TAG3(BCM20736), WICED Sense Kit, USB Dongle?
2. Which version of Android and Android phone are you using?
We have not experienced this scenario.
Thanks
JT
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The module is the BCM90236S
The Phone is a Samsung Galaxy S4 mini with Android 4.4
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Are you using the tag3 board? Which app are you running?
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No, its our own design with the BCM90236S (the module).
The app based on the Android BluetoothLeGatt-Example.
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Hello Matthias,
Try this:
1. Set short connection intervals and test this.
Thanks
JT
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Thank you. With the shorter intervals, the reading is much faster.
So I have just to check how to change the intervals again in Android.
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Hello Matthias,
A suggestion from our Android Developer:
Choose "Forget This Device" and then try again.
Thanks,
JT