NimBLE Host ATT Client Reference
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Introduction
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~~~~~~~~~~~~
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The Attribute Protocol (ATT) is a mid-level protocol that all BLE devices use to exchange data. Data is exchanged when
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an ATT client reads or writes an attribute belonging to an ATT server. Any device that needs to send or receive data
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must support both the client and server functionality of the ATT protocol. The only devices which do not support ATT
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are the most basic ones: broadcasters and observers (i.e., beaconing devices and listening devices).
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Most ATT functionality is not interesting to an application. Rather than use ATT directly, an application uses the
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higher level GATT profile, which sits directly above ATT in the host. NimBLE exposes the few bits of ATT functionality
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which are not encompassed by higher level GATT functions. This section documents the ATT functionality that the NimBLE
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host exposes to the application.
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API
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~~~~~~
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.. doxygengroup:: bt_host
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:content-only:
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:members:
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