Communicating between server and client, both updating an indication characteristic at the same time

[Bjarke]

Hi,

I have a client/ server question regarding indication values from both the server and the client. What is the message flow?

For example. Can the indication value be sendt to the client, before an ACK is sent back to the server?

Example

Server                                                    Client

Write characteristic value x to 1             Write characteristic value x to 2

                                                        ->    Client responds with ACK? or

                                                        ->    has the write characteristic priority from the server?

 

Bjarke

[Simonr]

Hi Bjarke

Please check out the the message sequence charts for the GATT Client here, and the GATT Server here. The ACK does not have to be sent straight away, and can be responded to in the next connection interval if necessary.

Best regards,

Simon