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I am trying to find a way to establish which of my 

[[EAAccessoryManager sharedAccessoryManager] connectedAccessories];

are connected via Bluetooth and which are connected via USB.

External accessory considers all devices connected using one of the above methods as "CONNECTED.

From what I've read in Apple's documentation

"The External Accessory framework enables your app to communicate with external hardware that is connected to an iOS-based device through the Apple Lightning or 30-pin connector, or wirelessly through Bluetooth"

(emphasis on OR)

Buuut... is there any way to differentiate between a wirelessly through Bluetooth connected device and a USB connected device using ExternalAccessory?

Razv
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1 Answers1

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I think depends on the Bluetooth type (Bluetooth 3.0, 4.0, BLE, ...)

External Accessory Framework will work with older Bluetooth 3.0 models, and accessories that have joined the apple MFi program

Core Bluetooth Framework will communicate with Bluetooth low energy and BR/EDR (“Classic”) Devices.

And, Your bluetooth device is a Bluetooth 3.0 accessory.Your iPhone can discover and show it in Setting->Bluetooth. But this message isn't delivered to your app,so your app won't discover it. Try again with a Bluetooth 4.0 accessory.

Reference here

bhtri
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