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Generic Attribute Profile (GATT)
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SWRU271H–October 2010–Revised April 2019
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The Bluetooth Low Energy Protocol Stack
5.5.4.2.4.2 Write Request From Client
When a write request from a GATT Client is received for a given attribute, the protocol stack will check the
permissions of the attribute. If the attribute is write, call the write callback of the profile. The profile stores
the value to be written, performs any profile-specific processing, and notifies the application if applicable.
The following flow diagram illustrates a write of simpleprofileChar3 in the simpleGATTProfile. In the
diagram, red corresponds to processing in the protocol stack context and green corresponds to processing
in the application context.
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