![]() SDP and doesn't p rovide any functionality for the L2CAP Bluetooth protocol which is required for implement the Bluetooth HID profile. Android Bluetooth support wasn't a much matured one as mentioned in many forums and it implemented above protocols, but Android SDK doesn't give permission to add entries to the On top of that, SDP (service discovery protocol) allow devices to discover what services each other support (It has a list of supportingīluetooth profiles which are resides on top of the Bluetooth Core).Īccording to the Wiki page, the mandatory protocols are LMP,L2CAP and SDP. According to the protocol stack, L2CAP protocol directly call to HCI and access controller stack. For devices like Bluetooth headsets and keyboards, host stack features are embedded In generic implementation host stack is a part of the OS. ![]() ![]() "controller stack" dealing with physical layer for send data and "host stack" dealing with high level data. Bluetooth is using different type of protocols to communicate in short range devices. I researched about how to do it with Android device without using a PC side application.
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