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Multiple services with same UUID in GATT profile

user4231233
Prodigy 50 points
Other Parts Discussed in Thread: BLE-STACKHi all, I need to advise about GATT profile topology. I need to implement special primary service which can be register for multiple times with the same UUID. I try implement this concept with SimpleBLEPeripheral sample code in ble-stack library. I do this by calling GATTServApp_RegisterService function for two times with the same parameters. When I read GATT profile from client-side only one service with this UUID was published. Could anybody advise me if it is correct behavior or is it bug? I found no information about this case. GATT_DiscPrimaryServiceByUUID function has notice in description (TI_BLE_Vendor_Specific_HCI_guide document) that "The specific primary service may exist multiple times on a server", so I would expect that it is possible that profile may contains primary services with the same UUID. Thank for any advice, Martin Petrik
  • 0
    TI__Genius 17975 points
    It is possible to have two services with the same UUIDs, but you would need to have the attribute date separated in code. If you call GATTServApp_RegisterService with the same parameters you would be passing the same array of values for the two services, when in fact you would need a separate array for the second service.