How to develop a GATT Client application?

Question

I have a central device , that acting as a gatt server. the service is customize, and 128bit- primary serivice UUID ,its characteristics' UUIDs(128bit) are all known, how to discovery the service and characteristics in nrf51822 peripheral?
I don't find any examples that has above function.

Carles · Accepted Answer

Hi there, 
 
 128bit- primary serivice UUID ,its characteristics' UUIDs(128bit) are all known, how to discovery the service and characteristics in nrf51822 peripheral? 
 
 You need to do this in 2 steps with the S110: 
 
 Use sd_ble_uuid_vs_add() to add all the 128-bit UUIDs that your central uses 
 Use the GATTC functions to discovery your services characteristics, for example: 
 
 sd_ble_gattc_primary_services_discover()
sd_ble_gattc_characteristics_discover() 
 While using the UUIDs that you previously added. 
 Regards, 
 Carles