Generic Attribute Profile (GATT)
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SWRU271H–October 2010–Revised April 2019
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The Bluetooth Low Energy Protocol Stack
5.5.4.2.4.1 Read Request from A GATT Client
When a read request from a GATT client is received for a given attribute, the protocol stack checks the
permissions of the attribute. If the attribute is readable, the protocol stack calls the read call-back of the
profile. The profile must copy the value, perform any profile-specific processing, and notify the application
if applicable. The following flow diagram shows the processing workflow for a read of
SIMPLEPROFILE_CHAR1 in the simpleGATTProfile.
NOTE: Consider the processing in this section in the context of the protocol stack. If any intensive
profile related processing must be completed for an attribute read, this processing should be
split up and completed in the context of the application task. For more information, see
Section 5.5.4.2.4.2.
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