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How to tell Link Layer using Data Length Extension?

Question asked by shaq.chris on Jun 26, 2018
Latest reply on Jun 28, 2018 by Winfred Lu

I'm using BlueNRG-2 in Network Coprocessor mode over the SPI interface.  After establishing a connection with my device, how can I tell if the remote device supports Data Length Extension?


I've experimented with the ACI_GATT_EXCHANGE_CONFIG command but that negotiates the max ATT_MTU size for L2CAP but the Response Event doesn't tell you anything about the Link Layer data size and if Data Length Extension is being used.  Is there a way to find out?