Device description module
The device description module defines custom GATT Service, which contains:
Information about whether the peripheral supports the Low Latency Packet Mode (LLPM)
Hardware ID (HW ID) of the peripheral
The Service is mandatory for all nRF Desktop peripherals that connect to the nRF Desktop centrals.
dev_descr module does not submit any event nor subscribe for any event.
The module is enabled by default for all nRF Desktop peripheral devices.
dev_descr.h file contains the UUIDs used by the custom GATT Service.
The file is located in the
The UUIDs must be the same for all devices to ensure that the central is able to read the provided information.