Epson Moverio Pro BT-2000 Developer's Manual page 151

8.8.14. setGapCallback
Function

Register the BluetoothLeGapCallback class where the callback function used for GAP
functions is mounted.
Format

void setGapCallback(BluetoothLeGapCallback callback);
Parameter

Model name
BluetoothLeGapCallback callback
Return value

None
Callback function used for GAP functions

See the callback function descriptions in 8.8.24 to 8.8.28 for information on the callback
function for GAP functions that can be registered to the BluetoothLeGapCallback class.
MOVERIO Pro Developer's Guide (Rev.1.4)
Explanation
Callback class
145